fix 1998 Makefiles

1998/Makefile

@@ -46,12 +46,17 @@
 # See: http://creativecommons.org/licenses/by-sa/3.0/
 
 
-################
+#############################
-# tool locations
+# shell used by this Makefile
-################
+#############################
 #
-SHELL= /bin/bash
+SHELL= bash
-MAKE= make
+
+#######################
+# common tool locations
+#######################
+#
+include ../var.mk
 
 
 ###############

1998/banks/.gitignore

@@ -1 +1,2 @@
 banks
+banks.alt

1998/banks/Makefile

@@ -1,174 +1,343 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - banks
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
+	-Wno-unsequenced -Wno-incompatible-pointer-types
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+#CDEFINE=
+CDEFINE= -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-DCS=XK_Return -Ddt=0.02
+
+# Include files that are needed to compile
+#
+#CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+#LIBS=
+#LIBS= -lm
+LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-comma -Wno-float-conversion -Wno-float-equal \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-missing-variable-declarations -Wno-poison-system-directories \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-shadow -Wno-shorten-64-to-32
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= banks
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
+TARGET= ${PROG} ${PROG}.alt
+#
+ALT_OBJ= ${PROG}.alt.o
+ALT_TARGET= ${PROG}.alt
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/banks/README.md

@@ -1,4 +1,4 @@
-Best of Show:
+# Best of Show:
 
     Carl Banks
     Penn State Department of Aerospace Engineering
@@ -8,17 +8,16 @@ Best of Show:
 
     http://www.personal.psu.edu/users/c/w/cwb129/
 
+## To build:
 
-Judge's Comments:
+        make all
 
-    To build:
+### To run
-
-	make banks
-
-    To use:
 
 	cat horizon.sc pittsburgh.sc | ./banks
 
+## Judges' comments
+
     What can we say?  It's a flight sim done in 1536 bytes of real code.
     This one is a real marvel.  When people say the size limits are too
     tight, well, we can just point them at this one.  This program really
@@ -31,10 +30,9 @@ Judge's Comments:
     the altitude and airspeed.  These problems have been fixed.  One can
     still build the original program by:
 
-	make banks.orig
+	make banks.alt
 
-
+## Author's comments
-Selected Author's Comments:
 
     You have just stepped out of the real world and into the
     virtual.  You are now sitting in the cockpit of a Piper Cherokee

1998/bas1/Makefile

@@ -1,174 +1,340 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - bas1
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-bitwise-conditional-parentheses -Wno-bitwise-op-parentheses \
+	-Wno-empty-body -Wno-invalid-source-encoding -Wno-main -Wno-parentheses \
+	-Wno-shift-op-parentheses
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+CWARN= -Wall -Wextra ${CSILENCE}
+#CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-comma -Wno-implicit-int-conversion -Wno-missing-prototypes \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-missing-variable-declarations -Wno-pedantic \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-poison-system-directories -Wno-shorten-64-to-32 -Wno-sign-conversion \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
+	-Wno-strict-prototypes
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= bas1
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/bas1/README.md

@@ -1,4 +1,4 @@
-Best Encapsulation:
+# Best Encapsulation:
 
     Bas de Bakker
     Pica, Centre for Library Automation
@@ -6,14 +6,11 @@ Best Encapsulation:
     3039 JN Rotterdam
     The Netherlands
 
+## To build:
 
-Judges' comments:
+        make all
 
-    To build:
+### To run
-
-	make bas1
-
-    To use:
 
 	If lpr on your system can print PostScript:
 
@@ -25,14 +22,15 @@ Judges' comments:
 	or:
 	    ./bas1 | gunzip | gs -sDEVICE=pgmraw -sOutputFile='|xv -' -
 
+## Judges' comments
+
     The output is supposed to be a 3D maze, but it is somewhat more
     than that. If you've seen any of the Maurits Escher's works,
     you'll know what we're talking about.
 
     When trying to run the program with command line arguments, be generous.
 
-
+## Author's comments
-Selected Author's Comments:
 
     BEMAZING
     ========

1998/bas2/Makefile

@@ -1,174 +1,336 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - bas2
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-main
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+CWARN= -Wall -Wextra ${CSILENCE}
+#CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-comma -Wno-missing-variable-declarations -Wno-pedantic \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-poison-system-directories
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= bas2
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/bas2/README.md

@@ -1,4 +1,4 @@
-Best Small Program:
+# Best Small Program:
 
     Bas de Bakker
     Pica, Centre for Library Automation
@@ -6,17 +6,16 @@ Best Small Program:
     3039 JN Rotterdam
     The Netherlands
 
+## To build:
 
-Judges' comments:
+        make all
 
-    To build:
+### To run
-
-	make bas2
-
-    To use:
 
 	./bas2 < bas2.c
 
+## Judges' comments
+
     Questions to ponder:
 
 	Can you determine the relationship between the input and the
@@ -33,8 +32,7 @@ Judges' comments:
 	official IOCCC rules.  What is the rule and what is the octet
 	value?
 
-
+## Author's comments
-Selected Author's Comments:
 
     The main obfuscation is the way characters are recognized, which is
     done by matching the bit patterns.  Minor obfuscations are:

1998/chaos/.gitignore

@@ -1 +1,3 @@
 chaos
+chaos_nohalf
+chaos_nohalf.c

1998/chaos/Makefile

@@ -1,174 +1,346 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - chaos
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-c99-extensions
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+#LIBS=
+LIBS= -lcurses
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-bad-function-cast -Wno-double-promotion -Wno-float-conversion \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-format-nonliteral -Wno-implicit-float-conversion \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-missing-variable-declarations -Wno-poison-system-directories \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
+	-Wno-sign-conversion
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
+#
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
+
+
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= chaos
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= cube.data desk.data ioccc.data pyramid.data xwing.data
+TARGET= ${PROG} ${PROG}_nohalf
+#
+ALT_OBJ= ${PROG}_nohalf.o
+ALT_TARGET= ${PROG}_nohalf
+
+
+#################
+# build the entry
+#################
+#
+all: data ${TARGET}
+	@${TRUE}
+
+.PHONY: all alt data everything clean clobber install \
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+${PROG}_nohalf: ${PROG}_nohalf.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+${PROG}_nohalf.c: ${PROG}.c
 	${RM} -f $@
 	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
+# alternative executable
-
+#
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+alt: data ${ALT_TARGET}
-
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
-
-clobber: clean
-	${RM} -f ${WINNERS}
-	${RM} -f ${ALT_NAMES}
-
-nuke: clobber
 	@${TRUE}
 
-install: all
+# data files
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	${RM} -f ${PROG}_nohalf.c
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/df/Makefile

@@ -1,174 +1,340 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - df
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-bitwise-op-parentheses -Wno-char-subscripts -Wno-pointer-to-int-cast \
+	-Wno-return-type -Wno-unused-parameter -Wno-unused-variable -Wno-typedef-redefinition
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+CWARN= -Wall -Wextra ${CSILENCE}
+#CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-array-bounds-pointer-arithmetic -Wno-implicit-int-conversion \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-keyword-macro -Wno-missing-prototypes \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-missing-variable-declarations -Wno-pedantic \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
+	-Wno-poison-system-directories -Wno-shadow -Wno-sign-conversion \
-
+	-Wno-strict-prototypes
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= df
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/df/README.md

@@ -1,4 +1,4 @@
-Best Data Hiding:
+# Best Data Hiding:
 
     Daniel Fischer
     VNetx.com GbR
@@ -6,17 +6,16 @@ Best Data Hiding:
     D 72250 Freudenstadt
     German Federal Republic
 
+## To build:
 
-Judge's Comments:
+        make all
 
-    To build:
+### To run
-
-	make df
-
-    To use:
 
 	./df
 
+## Judges' comments
+
     Everyone talks about how data hiding can produce clearer code; I am
     pleased to offer this charming refutation.
 
@@ -38,8 +37,7 @@ Judge's Comments:
 	How many words does this entry use?
 	Can you add more words to the program and still make it work?
 
-
+## Author's comments
-Selected Author's Comments:
 
     This program lets you guess English words. It displays an underscore
     for each letter in the word; guessing a letter that actually is in

1998/df/df.c

@@ -1,4 +1,5 @@
 #ifndef int
+typedef int lint;
 #ifdef while
 char s[234],d[56],*p=s,m='m';
 #define int typedef (*define)();\
@@ -9,7 +10,7 @@ signed short n(short bz){
 	char o=1,i=1,l,pc=i,b=r+o/2,_f=6,m=7,s=8,g,q,od=o*rs+4^s,js=_f/*3-m*'c',bs='g';
 return 1; }
 #y	FILE c[a]+s,p[c],r[m]+u[i+4*o|f]-r[wob][wad]+s*f-!w|o,L+x					|  cut 
-;}int main(i,love_unix){*/;}int main(i,love_unix){/*;}int main(i,love_unix){*\;}|  here */
+;}int main(lint i,char**love_unix){*/;}int main(lint i,char**love_unix){/*;}int main(lint i,char**love_unix){*\;}|  here */
 while(FILE)for(;9-(i=0[O](f)););
 for(;32-(i=0[O](f));0&&	3[O]("-->%s<--", "gxdgbtgxsxpcctvpixktedhiedcte")); 
 for(;'\n'-(i=O[0](f));)(i>='a'&&i<'z')?*

1998/dlowe/.gitignore

@@ -1 +1,2 @@
 dlowe
+dlowe.alt

1998/dlowe/Makefile

@@ -1,174 +1,338 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - dlowe
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-main-return-type
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-implicit-int-conversion -Wno-poison-system-directories
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= dlowe
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG} ${PROG}.alt
+#
+ALT_OBJ= ${PROG}.alt.o
+ALT_TARGET= ${PROG}.alt
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/dlowe/README.md

@@ -1,4 +1,4 @@
-Best Utility:
+# Best Utility:
 
     David Lowe
     Pootpoot
@@ -8,17 +8,16 @@ Best Utility:
 
     http://pootpoot.com/
 
+## To build:
 
-Judges' Comments:
+        make all
 
-    To build:
+### To run
-
-	make dlowe
-
-    To use:
 
 	./dlowe < anyfile > pootfile
 
+## Judges' comments
+
     Why is this entry would be considered a utility?  Well because it
     is able to convert content-free web pages into useful web pages.
 
@@ -63,11 +62,10 @@ Judges' Comments:
     NOTE: The original entry was just a text based pootifier.  To build
     that version try:
 
-	make dlowe.orig
+	make dlowe.alt
-	./dlowe.orig < anyfile > pootfile
+	./dlowe.alt < anyfile > pootfile
 
-
+## Author's comments
-Selected Author's Comments:
 
     This program is a text filter, it reads stdin and outputs the
     "corrected" text to stdout.

1998/dloweneil/.gitignore

@@ -1 +1,2 @@
 dloweneil
+pootris

1998/dloweneil/Makefile

@@ -1,174 +1,339 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - dloweneil
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-dangling-else
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+#LIBS=
+LIBS= -lcurses
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-comma -Wno-poison-system-directories
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= dloweneil
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG} pootris
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+pootris: ${PROG}
+	${RM} -f $@
+	${CP} $< $@
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/dloweneil/README.md

@@ -1,4 +1,4 @@
-Most Fun:
+# Most Fun:
 
     David Lowe				Neil Mix
     Pootpoot				Pootpoot
@@ -8,16 +8,15 @@ Most Fun:
 
     http://pootpoot.com/
 
+## To build:
 
-Judge's Comments:
+        make all
 
-    To build:
+### To run
 
-	make dloweneil
+	./pootris
 
-    To use:
+## Judges' comments
-
-	./dloweneil
 
     Read the Author's comments below.  We believe that your experience may
     mirror one of our experiences:
@@ -26,11 +25,11 @@ Judge's Comments:
 	description of the controls.  I started playing.  I struggled.
 	I spelled my first "poot".  I was hooked ...
 
-
+## Author's comments
-Selected Author's comments:
 
     Usage:
-	pootris [X size of board] [Y size of board]
+
+	./pootris [X size of board] [Y size of board]
 
     Synopsis:
      The object of this game is to spell "POOT" as much as possible.  There

1998/dorssel/Makefile

@@ -1,174 +1,338 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - dorssel
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-parentheses \
+	-Wno-shift-op-parentheses
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-array-bounds-pointer-arithmetic -Wno-comma \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-implicit-int-conversion -Wno-poison-system-directories -Wno-shadow \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-shorten-64-to-32
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= dorssel
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= dorssel.hint2
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/dorssel/README.md

@@ -1,4 +1,4 @@
-Obsolescent Feature:
+# Obsolescent Feature:
 
     Frans van Dorsselaer
     Bakker Industrial Automation
@@ -6,17 +6,16 @@ Obsolescent Feature:
     NL-2311 GP   Leiden
     The Netherlands
 
+## To build:
 
-Judges' comments:
+        make all
 
-    To build:
+### To run
-
-	make dorssel
-
-    To use:
 
 	echo Simple as 123 | ./dorssel
-	echo '.... --- .--  -.. --- . ...  .. -  -.. ---  - .... .- -'|./dorssel
+	echo '.... --- .--  -.. --- . ...  .. -  -.. ---  - .... .- -' | ./dorssel
+
+## Judges' comments
 
     How does the program decide which way to convert?
 
@@ -37,8 +36,7 @@ Judges' comments:
 
     You might also want to read the dorssel.hint2 file.
 
-
+## Author's comments
-Selected author's notes:
 
     Usage
     =====

1998/fanf/.gitignore

@@ -1 +1,3 @@
 fanf
+fanftmp1.c
+fanftmp2.c

1998/fanf/Makefile

@@ -1,174 +1,343 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - fanf
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-pointer-bool-conversion -Wno-unused-parameter -Wno-main
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-comma -Wno-disabled-macro-expansion -Wno-missing-prototypes \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-missing-variable-declarations -Wno-padded \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-poison-system-directories -Wno-unused-macros
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= fanf
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= fanf.lambda
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${RM} -f ${PROG}tmp1.c
+	${CC} ${CFLAGS} -E $< > ${PROG}tmp1.c
+	${RM} -f ${PROG}tmp2.c
+	${CC} ${CFLAGS} -E ${PROG}tmp1.c > ${PROG}tmp2.c
+	@echo This next compile may take a whie to complete
+	${CC} ${CFLAGS} ${PROG}tmp2.c ${LIBS} -o $@
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	${RM} -f ${PROG}tmp1.c ${PROG}tmp2.c
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/fanf/README.md

@@ -1,4 +1,4 @@
-Most Obfuscated Translator:
+# Most Obfuscated Translator:
 
     Tony Finch
     Demon Internet
@@ -9,14 +9,18 @@ Most Obfuscated Translator:
 
     http://www.inch.demon.co.uk/
 
+## To build:
 
-Judges' comments:
+        make all
 
-    To build:
+	NOTE: This may take a while.  Some systems may have problems building 
-	make fanf
+	this entry because of the system resources it requires.
 
-	Some systems may have problems building this entry because
+### To run
-	of the system resources can require.
+
+	./fanf
+
+## Judges' comments
 
     To use:
 	Enter an expression on standard input.  Here are some
@@ -58,7 +62,7 @@ Judges' comments:
 
     Look at the first stage of the C pre-processing:
 
-	gcc -ansi fanf.c -E > fanftmp1.c
+	cc fanf.c -E > fanftmp1.c
 
     Skip to the bottom of fanftmp1.c (after all of the #include header
     stuff ... look for a line of the form:  # 2 "fanf.c"  near the bottom)
@@ -73,8 +77,7 @@ Judges' comments:
 	What do you have to do to make this program work with an
 	old non-ANSI C preprocessor?
 
-
+## Author's comments
-Selected Author's comments:
 
     My program is a demonstration of some practical applications of
     theoretical computer science. The application it implements is a program

1998/schnitzi/.gitignore

@@ -1 +1,2 @@
+data
 schnitzi

1998/schnitzi/Makefile

@@ -1,174 +1,337 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - schnitzi
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+
-# both CC and MAY_NEED_GCC to gcc.
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-format-security \
+	-Wno-int-to-pointer-cast -Wno-int-conversion -Wno-unused-parameter
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+CWARN= -Wall -Wextra ${CSILENCE}
+#CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-implicit-int-conversion -Wno-missing-prototypes \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-missing-variable-declarations -Wno-pedantic \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
+	-Wno-poison-system-directories -Wno-shorten-64-to-32 -Wno-strict-prototypes
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= schnitzi
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/schnitzi/README.md

@@ -1,4 +1,4 @@
-Best Flow Control:
+# Best Flow Control:
 
     Mark Schnitzius
     ISX Corporation
@@ -8,14 +8,11 @@ Best Flow Control:
 
     http://east.isx.com/~schnitzi/
 
+## To build:
 
-Judge's Comments:
+        make all
 
-    To build:
+### To run
-
-	make schnitzi
-
-    To use:
 
 	./schnitzi 5 > sort.c
 	cc sort.c -o sort
@@ -26,14 +23,15 @@ Judge's Comments:
 	echo 324 >> data
 	./sort < data
 
+## Judges' comments
+
     This is a beautiful program.  How can a program with no conditional
     behavior at all have output which depends on anything?
 
     For hints on deciphering this, see below past the Author's Comments;
     they're a nice summary, but they leave the mystery intact.
 
-
+## Author's comments
-Selected Author's Comments:
 
     In literary circles, there is a poetic form called a "lipogram",
     which is a poem in which a specific letter has been distinctly

1998/schnitzi/schnitzi.c

@@ -52,5 +52,5 @@ void x_(){ O=g; *r=y[k-2]; _=r; j=o_; }
 void d (){ O=g; *r=y[k]; _=r; k=k+1; m=k<z; w=_t; l=p_; j=p; }
 void y_(){ O=g; *r=x[17][1]+k; _=r; j=q_; }
 void r_(){ O=_b; _=x[17]; s=(char**)_d; s=s+1; i=*s; q=0; }
-main(v,c){ O=r_; _d=c;
+main(int v,char **c){ O=r_; _d=c;
   x: (O)(); goto x; }

1998/schweikh1/Makefile

@@ -1,174 +1,335 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - schweikh1
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-string-plus-int -Wno-switch-bool
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+#CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+CINCLUDE= -include stdlib.h -include stdio.h -include string.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-poison-system-directories
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= schweikh1
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= info
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/schweikh1/README.md

@@ -1,4 +1,4 @@
-CPP Abuse:
+# CPP Abuse:
 
     Jens Schweikhardt
     DFN Network Operation Center
@@ -8,17 +8,16 @@ CPP Abuse:
 
     http://www.shuttle.de/schweikh/
 
+## To build:
 
-Judge's Comments:
+        make all
 
-    To build:
+### To run
-
-	make schweikh1
-
-    To use:
 
 	./schweikh1
 
+## Judges' comments
+
     What does it do?  It seems to print a list of system headers, perhaps
     with words after them.  Curiously, if you look at the list of words
     defined in a given standard header, they are never printed directly
@@ -42,14 +41,7 @@ Judge's Comments:
     will need to frob the source anyway and can be expected to do the
     right thing with ${CC}. So use gcc.
 
-    NOTE: One may build the original entry, which incorrectly used
+## Author's comments
-    ^K's and ^L's after a # cpp-directive.  While this works under
-    gcc, it is not ISO C89.  One may build this original entry by:
-
-	make schweikh1.orig
-
-
-Selected Author's Comments:
 
     Important! This program, if it compiles at all, is mis-compiled by many
     compilers due to compiler bugs. It could be the "least likely

1998/schweikh1/schweikh1.c

@@ -1,7 +1,7 @@
 %:define H(x) <st%:%:x##.h>
-#include H(dio)
+/*#include H(dio)*/
-#include H(dlib)
+/*#include H(dlib)*/
-#include H(ring)
+/*#include H(ring)*/
 
 #define x ) == 0 ?__LINE__:0){O =__LINE__;break;} }
 #define X(x) __LINE__ x __LINE__

1998/schweikh1/schweikh1.orig.c

@@ -1,70 +0,0 @@
-%:defineH(x) <st%:%:x##.h>
-#includeH(dio)
-#includeH(dlib)
-#includeH(ring)
-
-#definex)==0?__LINE__:0){O=__LINE__;break;}}
-#defineX(x)__LINE__x__LINE__
-#definet(a)\
-for(c=0;c<n##a; ++c) { \
-  if(strchr (a[c], 0[__FILE__])) { if (*a[c] == 0[__FILE__]) { \
-      if (strcmp (a[c]+__LINE__, I + strlen (I) + __LINE__ - strlen (a[c]) x else { \
-      if (strncmp (a[c], I, strlen (a[c])-__LINE__ x \
-  }else { if (strcmp (a[c], I x }
-
-#line 4 "info\0r"
-	int
-main (int C, char **V)
-{
-	FILE *H;
-	int c, ne, nn, S = C < 2 ? 060 : *V[1];
-
-	char f[__LINE__][X(*)], K[X(*)], L[X(<<)],
-	e[X(<<)][3*__LINE__], n[X(<<)][3*__LINE__], F[__LINE__];
-
-	if (freopen (__FILE__, 5+__FILE__, stdin) == 0) return __LINE__-13;
-	for (c = 0;;) {
-#line		1 "#\n"
-		if (!fgets (f[c], (int)sizeof *f, stdin)) return __LINE__; if (*f[c] == 0[__FILE__]) continue; if (*f[c] != __LINE__[__FILE__]) { f[c][strlen (f[c]) - __LINE__] = 2[__FILE__];
-			++c;
-		} else
-			break;
-	}
-	for (ne = 0;;) {
-		do {
-#line			1 "#%s%s"
-			if (!fgets (L, (int)sizeof L, stdin)) return __LINE__; } while (*L == 0[__FILE__]); switch (sscanf (L, __LINE__+__FILE__, F, e[ne])) { default: goto O;
-			case __LINE__: switch (strchr (F, S)!=0) case 1: ++ne;
-		}
-	}
-
-O:
-	nn = 0;
-	while ((fgets (L, (int) sizeof L, stdin)) != 0) {
-
-
-		char A[__LINE__], f3; if (*L == 0[__FILE__]) continue;
-#line		1 "%s%s %c"
-		switch (sscanf (L, __FILE__, A, n[nn], &f3)) {
-		case __LINE__: if (strchr (A, S)) ++nn; break;
-		case __LINE__:
-			if (strchr (A, S)) {
-#line				8 "<%s>:\n"
-				char *I = L + __LINE__;
-				int O = printf (__FILE__, n[nn]) +
-#line				2 "0gcc -ansi -E -dM -undef %s /usr/include/%s>r\0 ("
-				sprintf (K, 1+__FILE__, f[S-*__FILE__] + __LINE__, n[nn]);
-				O += system (K);
-				if ((H = fopen (__FILE__+44, 44+__FILE__)) == 0) return 1;
-				while ((fgets (L, (int)sizeof L, H)) != 0) {
-					I[strcspn (I, 46+__FILE__)] = O = 0;
-#line					1 "*r"
-					t (n) t (e)
-					if (0 == O) O = puts (L);
-				}
-				nn = fclose (H);
-			}
-		}
-	}
-	return remove (1+__FILE__);
-}

1998/schweikh2/Makefile

@@ -1,174 +1,338 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - schweikh2
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-trigraphs -Wno-sign-compare -Wno-string-plus-int -Wno-switch-bool
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-poison-system-directories -Wno-unused-macros -Wno-sign-conversion
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= schweikh2
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG} ${PROG}.alt
+#
+ALT_OBJ= ${PROG}.alt.o
+ALT_TARGET= ${PROG}.alt
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/schweikh2/README.md

@@ -1,4 +1,4 @@
-Most Erratic Behavior:
+# Most Erratic Behavior:
 
     Jens Schweikhardt
     DFN Network Operation Center
@@ -9,15 +9,15 @@ Most Erratic Behavior:
     http://www.shuttle.de/schweikh/
 
 
-Judges' comments:
+## To build:
 
-    To build:
+        make all
 
-	make schweikh2
+	NOTE: Almost every compiler is supposed to be able to accept the code in
+	schweikh2.c; try compiling schweikh2.alt.c to see if your compiler
+	is fully standard-compliant.
 
-    Almost every compiler is supposed to be able to accept the code in
+### To run
-    schweikh2.c; try compiling schweikh2.orig.c to see if your compiler
-    is fully standard-compliant.
 
     To use:
 
@@ -25,6 +25,8 @@ Judges' comments:
     or
 	./schweikh2 integer_number
 
+## Judges' comments
+
     Run the program with a small argument, like 5 or 10, several times.
     Are the results different? Why?
 
@@ -34,11 +36,11 @@ Judges' comments:
     At the time this hint file was written, some gcc and egcs
     implementations ran into problem when building the original entry:
 
-	    make schweikh2.orig
+	    make schweikh2.alt
 
     This program often will produce an error of the form:
 
-	gcc -ansi schweikh2.orig.c -o schweikh2.orig
+	gcc -ansi schweikh2.alt.c -o schweikh2.alt
 	as: Error: cca00NzV.s, line 58: Missing " at end of string
 	     "
 	as: Error: cca00NzV.s, line 58: malformed statement
@@ -61,7 +63,7 @@ Judges' comments:
 
     In some cases one must compile using 'gcc -g':
 
-	make schweikh2.orig CFLAGS=-g
+	make schweikh2.alt CFLAGS=-g
 
     to trigger this error.
 
@@ -78,8 +80,7 @@ Judges' comments:
     If you succeed in doing this (especially on FreeBSD, Linux or Sparc),
     email the author for a free pat on the back.
 
-
+## Author's comments
-Selected author's comments:
 
     What this program does
     ----------------------

1998/schweikh2/schweikh2.alt.c

@@ -6,8 +6,8 @@ static volatile sig_atomic_t One;
 #include<unistd.h>
 #define Zero(NULL)#NULL
 #define ONE(One) Zero(One)
-in??/
+int
-t
+
 ??=line 10 ONE(O(1,1,2,6,0,6))
 main (register zero, char **ONE)
 %:

1998/schweikh2/schweikh2.c

@@ -6,8 +6,8 @@ static volatile sig_atomic_t One;
 #include<unistd.h>
 #define Zero(NULL)#NULL
 #define ONE(One) Zero(One)
-in??/
+int
-t
+
 #line 10 "01\015"
 main (register zero, char **ONE)
 %:

1998/schweikh3/Makefile

@@ -1,174 +1,336 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - schweikh3
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-trigraphs
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+#CDEFINE=
+CDEFINE= -DM0=sizeof -DM1=long -DM2=void \
+	-DM3=realloc -DM4=calloc -DM5=free
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+#CSILENCE+=
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= schweikh3
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= samefile.1
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/schweikh3/README.md

@@ -1,4 +1,4 @@
-Most Space Efficient:
+# Most Space Efficient:
 
     Jens Schweikhardt
     DFN Network Operation Center
@@ -8,14 +8,11 @@ Most Space Efficient:
 
     http://www.shuttle.de/schweikh/
 
+## To build:
 
-Judges' comments:
+        make all
 
-    To build:
+### To run
-
-	make schweikh3
-
-    To use:
 
 	If "dir" is the directory (or a directory tree) where you keep
 	all your favorite pictures off the Internet or from
@@ -23,6 +20,8 @@ Judges' comments:
 
 	find dir -type f -print | ./schweikh3
 
+## Judges' comments
+
     Maybe you will not need to buy another 10 Gb disk to store them.  :-)
 
     Also Try:
@@ -40,8 +39,7 @@ Judges' comments:
     NOTE: Some non-gcc compilers that are not fully ANSI standard do
 	  not compile this entry correctly.
 
-
+## Author's comments
-Selected author's comments:
 
     The source is expected to conform to IEEE Std 1003.1-1990 ("POSIX").
     Thank God the IEEE does not standardize a coding style...

1998/tomtorfs/Makefile

@@ -1,174 +1,336 @@
-#!/bin/make
+#!/usr/bin/env make
-# 1998 makefile
 #
-# Copyright (c) Landon Curt Noll, Jeremy Horn, Peter Seebach
+# IOCCC 1998 winning entry - tomtorfs
-# and Leonid A. Broukhis, 1999.
-# All Rights Reserved.  Permission for personal, educational or non-profit
-# use is granted provided this this copyright and notice are included in its
-# entirety and remains unaltered.  All other uses must receive prior permission
-# from the contest judges.
 
-SHELL=/bin/sh
+################################################################################
-CAT=cat
+#
-CHMOD=chmod
+# An Historical Makefile NOTE:
-CP=cp
+#
-MV=mv
+# The orig.Makefile, if it exits, is the original Makefile before this IOCCC
-LN=ln
+# year directory was reworked so that entries are in separate directories.
-RM=rm
+# This also applies to any orig.ansi.mk and orig.common.mk files.
-SED=sed
+#
-TRUE=true
+# Several Makefiles were modified / formed in 2022, and as such it may have
+# elements that are not historically compatible with way entries were built.
+# The orig.Makefile, if it exits, is a copy of the pre-modified Makefile.
+#
+# Regarding individual entries:
+#
+# IOCCC winning entry code may not work on your system.  Even with standards,
+# conditions and build environments change, especially when it comes to more
+# extreme code such you might find in an IOCCC winner.  Moreover, what was
+# allowed and liked in one IOCCC contest may no longer be liked/allowed in
+# later IOCCC years.
+#
+# Corrections on winning author and fixing typos in remarks are VERY WELCOME.
+#
+# GitHub pull requests are welcome:
+#
+# If you have a patch that might make running an entry work in modern Unix-like
+# environments, please create a GitHub pull request for the IOCCC judges to
+# consider.
+#
+# Suggestions and corrections regarding Makefiles, winning author information,
+# fixing typos in remarks, and code patches are welcome via opening a GitHub
+# issue or better yet, by creating a GitHub pull request for the IOCCC judges
+# to consider.  To form a GitHub issue or GitHub pull, please visit:
+#
+# https://github.com/ioccc-src/winner
+#
+################################################################################
 
-# flags for ANSI compiles
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
-# NOTE: Some ANSI compilers make use of -Xa to turn on ANSI mode,
+#	Creative Commons Attribution-ShareAlike 3.0 Unported License.
-#	others such as gcc may want -ansi, others may want nothing
-#	at all.  Adjust the CFLAGS line as needed.
 #
-# NOTE: Some compilers cannot optimize, or optimize some entries
+# See: http://creativecommons.org/licenses/by-sa/3.0/
-#	incorrectly.  You might want to turn on -O to see if your
-#	compiler can handle them.
-#
-# NOTE: On some systems, the library path does not include the location
-#	of the X11 libraries.  You might need to use a -L/path/to/X11/lib/dir
-#	in order to compile with these libs.
-#
-#CFLAGS=-O -Xa
-#CFLAGS=-Xa
-CFLAGS= -ansi
-#CFLAGS= -ansi -O
-#CFLAGS=
-#CFLAGS= -ansi -L/usr/X11R6/lib
 
-# ANSI compiler
+
+#############################
+# shell used by this Makefile
+#############################
 #
-# Set CC to the name of your ANSI compiler.
+SHELL= bash
+
+#######################
+# common tool locations
+#######################
 #
-# Some entries seem to need gcc.  If you have gcc, set
+include ../../var.mk
-# both CC and MAY_NEED_GCC to gcc.
+
+# Set X11_LIBDIR to the directory where the X11 library resides
 #
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
+#X11_LIBDIR= /usr/X11R6/lib
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
+#X11_LIBDIR= /usr/X11/lib
-# to disable such programs.
+X11_LIBDIR= /opt/X11/lib
+
+# Set X11_INCLUDEDIR to the directory where the X11 include files reside
+#
+#X11_INCDIR= /usr/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+CSILENCE=
+#CSILENCE= -Wno-implicit-int
+
+# Common C compiler warning flags
+#
+#CWARN= ${CSILENCE}
+#CWARN= -Wall ${CSILENCE}
+#CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+
+# Compiler standard
+#
+#CSTD=
+#CSTD= -ansi
+CSTD= -std=gnu90
+
+# Compiler bit architecture
+#
+# Some entries require 32-bitness:
+# ARCH= -m32
+#
+# Some entries require 64-bitness:
+# ARCH= -m64
+#
+# By default we assume nothing:
+#
+ARCH=
+
+# Defines that are needed to compile
+#
+CDEFINE=
+#CDEFINE= -DIOCCC
+
+# Include files that are needed to compile
+#
+CINCLUDE=
+#CINCLUDE= -include stdlib.h
+#CINCLUDE= -include stdio.h
+#CINCLUDE= -include stdlib.h -include stdio.h
+#CINCLUDE= -I ${X11_INCDIR}
+#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+
+# Optimization
+#
+# Most compiles will safely use -O2.  Some can use only -O1 or -O.
+# A few compilers have broken optimizers or this entry make break
+# under those buggy optimizers and thus you may not want anything.
+# Reasonable compilers will allow for -O3.
+#
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
+
+# Libraries needed to build
+#
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+
+# C compiler to use
 #
 CC= cc
-MAY_NEED_GCC= gcc
+#CC=clang
+#CC=gcc
 
-# winners that compile under ANSI C
+# Compiler add-ons or replacements for clang only
 #
-WINNERS= schweikh1 df dloweneil banks dlowe bas2 fanf bas1 tomtorfs dorssel \
+ifeq ($(CC),clang)
-	 schweikh2 schnitzi chaos schweikh3
-ALT_NAMES= schweikh2.orig banks.orig dlowe.orig df.orig schweikh1.orig \
-	chaos_nohalf
-DATA_FILES= banks_files chaos_files fanf_files schweikh1_files schweikh3_files
-
-
-all: ${WINNERS}
-
-schweikh1: schweikh1.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1.orig: schweikh1.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh1_files: info
-
-df: df.c
-	${CC} ${CFLAGS} $? -o $@
-
-df.orig: prog.c
-	${CC} ${CFLAGS} $? -o $@
-
-prog.c : df.c
-	${RM} -f prog.c
-	${CP} $? prog.c
-
-dloweneil: dloweneil.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks: banks.c
+CSILENCE+= -Wno-conditional-uninitialized -Wno-poison-system-directories \
-	${CC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
+	-Wno-sign-conversion -Wno-tautological-value-range-compare
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-# See note about use of -L/path/to/X11/lib/dir above this rule fails to link
 #
-banks.orig: banks.orig.c
+CWARN+= -Weverything
-	${MAY_NEED_GCC} ${CFLAGS} $? -DIT=XK_Page_Up -DDT=XK_Page_Down \
-		-DUP=XK_Up -DDN=XK_Down -DLT=XK_Left -DRT=XK_Right \
-		-DCS=XK_Return -Ddt=0.02 -lm -lX11 -o $@
-
-banks_files: bb.sc horizon.sc mountains.sc pittsburgh.sc pyramids.sc river.sc
-
-dlowe: dlowe.c
-	${CC} ${CFLAGS} $? -o $@
-
-dlowe.orig: dlowe.orig.c
-	${CC} ${CFLAGS} $? -o $@
-
-bas2: bas2.c
-	${CC} ${CFLAGS} $? -o $@
-
-fanf: fanf.c
-	${RM} -f fanftmp1.c fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} -E $? > fanftmp1.c
-	${MAY_NEED_GCC} ${CFLAGS} -E fanftmp1.c > fanftmp2.c
-	${MAY_NEED_GCC} ${CFLAGS} fanftmp2.c ${LDFLAGS} -o $@
-
-fanf_files: fanf.lambda
-
-bas1: bas1.c
-	${CC} ${CFLAGS} $? -o $@
-
-tomtorfs: tomtorfs.c
-	${CC} ${CFLAGS} $? -o $@
-
-dorssel: dorssel.c
-	${CC} ${CFLAGS} $? -o $@
-
-schweikh2: schweikh2.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh2.orig: schweikh2.orig.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -o $@
-
-schweikh3: schweikh3.c
-	${MAY_NEED_GCC} ${CFLAGS} $? -DM0=sizeof -DM1=long -DM2=void \
-		-DM3=realloc -DM4=calloc -DM5=free -o $@
-
-schweikh3_files: samefile.1
-
-schnitzi: schnitzi.c
-	${CC} ${CFLAGS} $? -o $@
-
-chaos: chaos.c
-	${CC} ${CFLAGS} $? -lcurses -o $@
-
-# some libcurses do not have halfdelay().  This rule is for those systems
 #
-chaos_nohalf: chaos_nohalf.c
+endif
-	${CC} ${CFLAGS} $? -lcurses -o $@
-	${CP} -f $@ chaos
 
-chaos_nohalf.c: chaos.c
+# Specific add-ons or replacements for gcc only
-	${RM} -f $@
+#
-	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
-chaos_files: cube.data desk.data ioccc.data pyramid.data xwing.data
 
-everything: ${WINNERS} ${ALT_NAMES} ${DATA_FILES}
+##############################
+# Special flags for this entry
+##############################
+#
+ENTRY= tomtorfs
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA=
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
-clean:
-	${RM} -f *.o a.out core ${WINNERS}
-	${RM} -f prog.c fanftmp1.c fanftmp2.c chaos_nohalf.c
 
-clobber: clean
+#################
-	${RM} -f ${WINNERS}
+# build the entry
-	${RM} -f ${ALT_NAMES}
+#################
-
+#
-nuke: clobber
+all: data ${TARGET}
 	@${TRUE}
 
-install: all
+.PHONY: all alt data everything clean clobber install \
-	${CAT} ${WINNERS} ${ALT_NAMES} > /dev/null
+	love haste waste maker easter_egg sandwich \
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
+
+###############
+# utility rules
+###############
+#
+clean:
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
+
+clobber: clean
+	${RM} -f ${TARGET} ${ALT_TARGET}
+	@-if [ -e sandwich ]; then \
+	    ${RM} -f sandwich; \
+	    echo 'ate sandwich'; \
+	fi
+
+install:
+	@echo "Dr. Spock says that is not logical!"
+	@${TRUE}
+
+# you may be able to misunderstand the source by reading indent.c
+#
+indent.c: ${PROG}.c
+	@if which "${GINDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${GINDENT} < $< > $@"; \
+	    ${GINDENT} < $< > $@; \
+	elif which "${INDENT}" >/dev/null 2>&1; then \
+	    echo ${RM} -f $@; \
+	    ${RM} -f $@; \
+	    echo "${INDENT} < $< > $@"; \
+	    ${INDENT} < $< > $@; \
+	else \
+	    echo "no intent tool found, ident $< yourself, sorry"; \
+	    echo "exit 1"; \
+	    exit 1; \
+	fi
+
+
+##################
+# 133t hacker rulz
+##################
+#
+love:
+	@echo 'not war?'
+	@${TRUE}
+
+haste:
+	$(MAKE) waste
+	@${TRUE}
+
+waste:
+	@echo 'haste'
+	@${TRUE}
+
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
+easter_egg:
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
+	@echo "chongo '<was here>' /\\oo/\\"
+	@echo "Eggy"
+
+sandwich: easter_egg
+	@if [ `id -u` -eq 0 ]; then \
+	    echo 'Okay.'; \
+	    echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
+	else \
+	    echo 'What? Make it yourself.'; \
+	    exit 1; \
+	fi
+
+# Understand the history of the Homebrew Computer Club
+# as well as the West Coast Computer Faire and
+# you might be confused different.  :-)
+#
+supernova: sandwich
+	@-if [ -r .code_anal ]; then \
+	    ${RM} -f .code_anal_v6; \
+	else \
+	    echo "planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
+	fi
+	@echo "A $@ helps ${MAKE} the elements that help form planets"
+	@${TRUE}
+
+deep_magic: supernova
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	fi
+	@${TRUE}
+
+magic: deep_magic
+	@-if [ -r .code_anal ]; then \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
+	else \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
+	fi
+	@${TRUE}
+
+# The IOCCC resident astronomer states
+#
+charon: magic
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore IAU, $@ is a planet"
+
+pluto: charon
+	${MAKE} charon
+	@echo "$@ is a dwarf planet"
+	@echo "dwarf is a type of planet"
+	@echo "therefore, $@ is a planet"
+	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"

1998/tomtorfs/README.md

@@ -1,4 +1,4 @@
-Best Self-Documenting:
+# Best Self-Documenting:
 
     Tom Torfs
     De Nayer Instituut
@@ -8,17 +8,16 @@ Best Self-Documenting:
 
     http://members.xoom.com/tomtorfs
 
+## To build:
 
-Judges' comments:
+        make all
 
-    To build:
+### To run
-
-	make tomtorfs
-
-    To use:
 
 	./tomtorfs tomtorfs.c 32 04C11DB7 1 FFFFFFFF FFFFFFFF
 
+## Judges' comments
+
     Also try:
 
 	echo "abscond conferrable" > file.A
@@ -32,8 +31,7 @@ Judges' comments:
     of the program with the value of CRC computed by PKZIP or any other
     archiver that uses the CRC-32 algorithm.
 
-
+## Author's comments
-Selected author's comments:
 
     Usage:
        crc filename bitwidth polynom reflected init xor