fix Makefile and README.md for 2013/endoh1

2013/endoh1/Makefile

@@ -1,96 +1,161 @@
 #!/usr/bin/env make
 #
-# 2013 makefile
+# IOCCC 2013 winning entry - endoh1
+
+################################################################################
 #
-# This work by Landon Curt Noll, Simon Cooper, and Leonid A. Broukhis
+# Regarding individual entries:
-# is licensed under:
+#
+# 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
+#
+################################################################################
+
+# This work by Landon Curt Noll and Leonid A. Broukhis is licensed under:
 #
 #	Creative Commons Attribution-ShareAlike 3.0 Unported License.
 #
 # See: http://creativecommons.org/licenses/by-sa/3.0/
 
 
-################
+#############################
-# tool locations
+# shell used by this Makefile
-################
+#############################
 #
 SHELL= bash
-CP= cp
+
-CPP= cpp
+#######################
-GUNZIP= gunzip
+# common tool locations
-LD= ld
+#######################
-MAKE= make
+#
-RM= rm
+include ../../var.mk
-SED= sed
-TAR= tar
-TRUE= true
 
 # Set X11_LIBDIR to the directory where the X11 library resides
 #
-X11_LIBDIR= /usr/X11R6/lib
+#X11_LIBDIR= /usr/X11R6/lib
+#X11_LIBDIR= /usr/X11/lib
+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/X11R6/include
+#X11_INCDIR= /usr/X11/include
+X11_INCDIR= /opt/X11/include
 
-# Compiler warnings
+# Common C compiler warnings to silence
 #
-#CWARN=
+CSILENCE=
-CWARN= -Wall -W
+#CSILENCE= -Wno-implicit-int
-#CWARN= -Wall -W -pedantic
 
-# compiler standard
+# 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=c99
+CSTD= -std=gnu11
 
-# compiler bit architecture
+# Compiler bit architecture
 #
 # Some entries require 32-bitness:
 # ARCH= -m32
 #
-# Some entries require 64-bitess:
+# Some entries require 64-bitness:
 # ARCH= -m64
 #
 # By default we assume nothing:
 #
 ARCH=
 
-# optimization
+# 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} -I ${X11_INCDIR}/X11
+#CINCLUDE= `${SDL2_CONFIG} --cflags`
+
+# 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= -O2
-#OPT= -O3
+OPT= -O3
+
+# Default flags for ANSI C compilation
+#
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
 LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= `${SDL2_CONFIG} --libs`
 
-# default flags for ANSI C compilation
+# C compiler to use
-#
-CFLAGS= ${CWARN} ${CSTD} ${ARCH} ${OPT} ${LIBS}
-
-# ANSI compiler
-#
-# Set CC to the name of your ANSI compiler.
-#
-# Some entries seem to need gcc.  If you have gcc, set
-# both CC and MAY_NEED_GCC to gcc.
-#
-# If you do not have gcc, set CC to the name of your ANSI compiler, and
-# set MAY_NEED_GCC to either ${CC} (and hope for the best) or to just :
-# to disable such programs.
 #
 CC= cc
 #CC=clang
-MAY_NEED_GCC= gcc
+#CC=gcc
+
+# Compiler add-ons or replacements for clang only
+#
+ifeq ($(CC),clang)
+#
+CSILENCE+= -Wno-comma -Wno-conditional-uninitialized -Wno-missing-prototypes \
+	-Wno-missing-variable-declarations -Wno-poison-system-directories \
+	-Wno-redundant-parens -Wno-shorten-64-to-32 -Wno-strict-prototypes \
+	-Wno-unreachable-code
+#
+CWARN+= -Weverything
+#
+endif
+
+# Specific add-ons or replacements for gcc only
+#
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
 
 ##############################
@@ -98,65 +163,94 @@ MAY_NEED_GCC= gcc
 ##############################
 #
 ENTRY= endoh1
-DATA=
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= echo.lazy hello.lazy tac.lazy
+TARGET= ${PROG} hello echo tac
+#
 ALT_OBJ=
-ALT_ENTRY=hello echo tac
+ALT_TARGET=
 
 
 #################
 # build the entry
 #################
 #
-all: ${ENTRY} ${ALT_ENTRY}
+all: data ${TARGET}
 	@${TRUE}
 
-${ENTRY}: ${ENTRY}.c
+.PHONY: all alt data everything clean clobber install \
-	${CC} ${CFLAGS} $< -o $@
+	love haste waste maker easter_egg sandwich \
-	@$(MAKE) ${ALT_ENTRY}
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
+hello: hello.lazy ${PROG}.c
+	${CC} ${CFLAGS} -xc hello.lazy -o $@ ${LIBS}
+
+echo: echo.lazy ${PROG}.c
+	${CC} ${CFLAGS} -xc echo.lazy -o $@ ${LIBS}
+
+tac: tac.lazy ${PROG}.c
+	${CC} ${CFLAGS} -xc tac.lazy -o $@ ${LIBS}
 
 # alternative executable
 #
+alt: data ${ALT_TARGET}
+	@${TRUE}
 
-hello: hello.lazy ${ENTRY}.c
-	${CC} ${CFLAGS} -xc hello.lazy -o $@
-
-echo: echo.lazy ${ENTRY}.c
-	${CC} ${CFLAGS} -xc echo.lazy -o $@
-
-tac: tac.lazy ${ENTRY}.c
-	${CC} ${CFLAGS} -xc tac.lazy -o $@
 # data files
 #
 data: ${DATA}
 	@${TRUE}
 
+# both all and alt
+#
+everything: all alt
+
 
 ###############
 # utility rules
 ###############
 #
-everything: all alt
-
 clean:
-	${RM} -f ${ENTRY}.o ${ALT_OBJ}
+	${RM} -f ${OBJ} ${ALT_OBJ}
+	@-if [ -f indent.c ]; then \
+	    echo ${RM} -f indent.c; \
+	    ${RM} -f indent.c; \
+	fi
 
 clobber: clean
-	${RM} -f ${ENTRY} ${ALT_ENTRY}
+	${RM} -f ${TARGET} ${ALT_TARGET}
-
+	@-if [ -e sandwich ]; then \
-nuke: clobber
+	    ${RM} -f sandwich; \
-	@${TRUE}
+	    echo 'ate sandwich'; \
-
+	fi
-dist_clean: nuke
-	@${TRUE}
 
 install:
-	@echo "Surely we are joking Dr. Lehmer!"
+	@echo "Dr. Spock says that is not logical!"
 	@${TRUE}
 
-# backwards compatibility
+# you may be able to misunderstand the source by reading indent.c
 #
-build: all
+indent.c: ${PROG}.c
-	@${TRUE}
+	@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
 
 
 ##################
@@ -175,36 +269,69 @@ waste:
 	@echo 'haste'
 	@${TRUE}
 
+maker:
+	@echo 'Participate in a maker faire'
+	@${TRUE}
+
 easter_egg:
-	@echo you expected to mis-understand this $${RANDOM} magic
+	@echo "you expected to often misunderstand this $${RANDOM} magic"
-	@echo chongo '<was here>' "/\\oo/\\"
+	@echo "chongo '<was here>' /\\oo/\\"
-	@echo Readers shall not be disallowed from being unable to not partly misunderstand this partocular final echo.
+	@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: nuke
+supernova: sandwich
 	@-if [ -r .code_anal ]; then \
-	    ${RM} -f .code_anal_v4; \
+	    ${RM} -f .code_anal_v6; \
 	else \
-	    echo "We are not expected to understand that"; \
+	    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:
+deep_magic: supernova
 	@-if [ -r .code_anal ]; then \
-	    ccode_analysis --deep_magic 2ed3582ec5c094a093fea2a6bcb9f19439892873c9cc45ed1ceaafe08b7d52e1b2c7cd524be3b0b2 --FNV1a_hash 512-bit "${ENTRY}"; \
+	    ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
+	    		   --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
 	else \
-	    echo "Park different"; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
+	    sleep 2; \
+	    echo "Wrong! Do it again!"; \
 	fi
 	@${TRUE}
 
 magic: deep_magic
 	@-if [ -r .code_anal ]; then \
-	    ccode_analysis --mode 391581 --level 216193 --FNV1a_hash 512-bit "${ENTRY}"; \
+	    ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
 	else \
-	    echo "These aren't the primes you're looking for Paul Erdos!"; \
+	    echo "If you don't eat yer meat, you can't have any pudding!"; \
+	    echo "How can you have any pudding if you don't eat yer meat?!"; \
 	fi
 	@${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"

2013/endoh1/README.md

@@ -1,30 +1,33 @@
 # Most lazy SKIer
 
-Yusuke Endoh  
+    Yusuke Endoh  
-<mame@ruby-lang.org>  
+    <mame@ruby-lang.org>  
-<https://github.com/mame/>  
+    <https://github.com/mame/>  
 
+# To build:
 
-## Judges' comments:
+```sh
-### To build:
+make
+```
 
-    make 
-
-This builds endoh1, echo, hello, and tac.
 ### To run:
 
-    ./endoh1 [file.lazy]
+```sh
+./endoh1 [file.lazy]
+```
 
 ### Try:
 
-    ./endoh1 hello.lazy
+```sh
-    ./hello
+./endoh1 hello.lazy
-    echo Hello | ./echo 
+./hello
-    ./tac < endoh1.c
+echo Hello | ./echo 
+./tac < endoh1.c
+```
 
 Be patient with the last one.
 
-### Selected Judges Remarks:
+## Judges' comments:
 
 We liked this entry because it can serve as a standalone program as well as an include file; and, as usual,
 because its input data is at least as obfuscated as the program itself.
@@ -32,9 +35,8 @@ because its input data is at least as obfuscated as the program itself.
 This entry can be considered an abuse of the GCC's optimizer; it takes GCC about 4x longer to compile it
 with -O3 than without, compared to clang's 2x.
 
-
-
 ## Author's comments:
+
 ### Remarks
 
     $ less prog.c
@@ -72,7 +74,6 @@ Note that `#` is a comment in Lazy K.
 [3]: redacted
 [4]: http://en.wikipedia.org/wiki/Polyglot_%28computing%29
 
-
 ### Obfuscation
 
 ... is inherent in SKI combinator calculus :-)
@@ -87,7 +88,6 @@ and to satisfy IOCCC's size rule.
 These led to the good obfuscation.
 See Spoiler section in detail, if you need.
 
-
 ### Limitation
 
 This program supports only "Combinator-calculus style notation" of Lazy K.
@@ -103,7 +103,6 @@ In addition, there are some limitations (and workarounds)
 mentioned in Spoiler section.
 But I think it wouldn't matter only when you run the attached programs.
 
-
 ### Portability
 
 I confirmed that the program successfully worked
@@ -135,7 +134,6 @@ you cannot use the program as a library.
 But you can compile and run it as a standalone program, at least.
 In fact, tcc does not support the macro, but does work.
 
-
 ### Spoiler (rot13)
 
 Gur jubyr cebtenz vf vagrecergrq ol znpeb rkcnafvba.
@@ -198,7 +196,6 @@ ol gjrnxvat gur qrsvavgvba bs znpeb `N` `O` `P` naq `Q`.
 (Abgr gung pybfherf ner nyybggrq bayl jura cnefvat;
 nsgre gur rinyhngvba fgnegf, "bhg bs pybfher" pnaabg bpphe.)
 
-
 #### Fubeg pbeqvat
 
 Guvf znetva vf gbb aneebj gb pbagnva n qrgnvyrq rkcynangvba.
@@ -206,11 +203,10 @@ Vafgrnq, V whfg nfx lbh bar dhrfgvba.
 Pna lbh gryy jung `i f[]={0,0,f+6,f+2,f+4,f,f+3,f+5,f+1};` vf?
 V sbhaq guvf ol hfvat FZG fbyire.
 
---------------------------------------------------------------------------------
+## Copyright:
-<!--
+
 (c) Copyright 1984-2015, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
 This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
 
 [judges]: http://www.ioccc.org/judges.html
 [cc]: http://creativecommons.org/licenses/by-sa/3.0/
--->