fix Makefile and README.md for 2011/vik

Help raw2wav find perl and make executable.

2011/vik/Makefile

@@ -1,53 +1,159 @@
 #!/usr/bin/env make
 #
-# 2011 makefile
+# IOCCC 2011 winning entry - vik
+
+################################################################################
 #
-# Copyright (C) 2011, Landon Curt Noll, Simon Cooper, and Leonid A. Broukhis.
+# 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
+#
+################################################################################
+
+# 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
-LD= ld
-MAKE= make
-RM= rm
-SED= sed
-TAR= tar
-TRUE= true
 
-# optimization
+#######################
+# common tool locations
+#######################
+#
+include ../../var.mk
+
+# Set X11_LIBDIR to the directory where the X11 library resides
+#
+#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/X11/include
+X11_INCDIR= /opt/X11/include
+
+# Common C compiler warnings to silence
+#
+#CSILENCE=
+CSILENCE= -Wno-bitwise-op-parentheses -Wno-parentheses -Wno-unused-value
+
+# 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=gnu11
+
+# 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} -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= -O2
+#OPT=
+#OPT= -O
+#OPT= -O1
+#OPT= -O2
+OPT= -O3
 
-# bitness
+# Default flags for ANSI C compilation
 #
-# Some entries require 32-bitness,
+CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
-# other entries require 64-bitess.
-# By default we assume nothing.
-#
-ARCH=
 
-# default flags for ANSI C compilation
+# Libraries needed to build
 #
-CFLAGS= -Wall -W -ansi ${ARCH} ${OPT}
+LIBS=
+#LIBS= -lm
+#LIBS= -L ${X11_LIBDIR} -lX11
+#LIBS= `${SDL2_CONFIG} --libs`
 
-# ANSI compiler
+# C compiler to use
-#
-# Set CC to the name of your ANSI compiler.
 #
 CC= cc
+#CC=clang
+#CC=gcc
+
+# Compiler add-ons or replacements for clang only
+#
+ifeq ($(CC),clang)
+#
+CSILENCE+= -Wno-missing-variable-declarations -Wno-poison-system-directories \
+	-Wno-shorten-64-to-32 -Wno-sign-conversion
+#
+CWARN+= -Weverything
+#
+endif
+
+# Specific add-ons or replacements for gcc only
+#
+ifeq ($(CC),gcc)
+#
+#CSILENCE+=
+#
+#CWARN+=
+#
+endif
 
 
 ##############################
@@ -55,47 +161,85 @@ CC= cc
 ##############################
 #
 ENTRY= vik
-DATA= imaginal_state.mod mad_world.mod
+PROG= ${ENTRY}
+#
+OBJ= ${PROG}.o
+DATA= mad_world.mod randowan.mod raw2wav
+TARGET= ${PROG}
+#
+ALT_OBJ=
+ALT_TARGET=
 
 
 #################
 # build the entry
 #################
 #
-all: ${ENTRY} ${DATA}
+all: data ${TARGET}
 	@${TRUE}
 
-${ENTRY}: ${ENTRY}.c
+.PHONY: all alt data everything clean clobber install \
-	@echo This next compile may take a while ...
+	love haste waste maker easter_egg sandwich \
-	${CC} ${CFLAGS} ${ENTRY}.c -o ${ENTRY}
+	supernova deep_magic magic charon pluto
+
+${PROG}: ${PROG}.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
 # alternative executable
 #
-alt:
+alt: data ${ALT_TARGET}
 	@${TRUE}
 
+# data files
+#
+data: ${DATA}
+	@${TRUE}
+
+# both all and alt
+#
+everything: all alt
+
 
 ###############
 # utility rules
 ###############
 #
-everything: all alt
-
 clean:
-	${RM} -f ${ENTRY}.o
+	${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}
+	${RM} -f ${TARGET} ${ALT_TARGET}
-
+	@-if [ -e sandwich ]; then \
-nuke: clobber
+	    ${RM} -f sandwich; \
-	@echo gnab gib!
+	    echo 'ate sandwich'; \
+	fi
 
 install:
-	@echo "Surely you're joking Mr. Feynman!"
+	@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: ${PROG}.c
+	@if which "${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
 
 
 ##################
@@ -104,15 +248,79 @@ build: all
 #
 love:
 	@echo 'not war?'
+	@${TRUE}
 
 haste:
 	$(MAKE) waste
+	@${TRUE}
 
 waste:
-	@echo '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 partly misunderstand this 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: 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"

2011/vik/README.md

@@ -6,27 +6,35 @@ Sunnyvale, Ca 94087
     <daniel@vik.cc>  
     <http://www.danielvik.com>  
 
+# To build:
 
-## Judges' comments:
+```sh
-### To build:
+make
-
+```
-    make vik
 
 ### To run:
 
+```sh
 ./vik file.mod > audio_file.raw
+```
 
 ### Try:
 
+```sh
 ./vik randowan.mod | mplayer -demuxer rawaudio -
 ./vik mad_world.mod | mplayer -demuxer rawaudio -
+```
 
-Alternatively, you can use
+Alternatively, you can use:
 
+```sh
 ./vik file.mod > file.raw; ./raw2wav file.raw > file.wav 
+```
 
 It is possible to download a number of Mod files from [The Mod Archive](http://modarchive.org).
 
+## Judges' comments:
+
 The randowan.mod and mad_world.mod files were created by
 [Henrik Bertilsson](http://www.translucentboy.com) and
 are included with his permission.
@@ -42,14 +50,16 @@ initilzation for?
 
 Does it take your system a long time to compile?  You may want to do try:
 
+```sh
 cc -S vik.c
+```
 
 and to examine the resulting assembly file vik.s.  On some platforms
 the assembly file is about 128 MBytes in size!
 
 ## Author's comments:
-Introduction
+
-============
+### Introduction
 
 In 1987,  Karsten Obarski changed the way music was handled in games and
 demos with the introducton of the MOD file format on Commodore Amiga.
@@ -58,9 +68,7 @@ A MOD file contains a set of samples,   a number of patterns  indicating
 how and when the samples  are to be played,   a list of what patterns to
 play in what order, and a number of effects.
 
-
+### Features
-Features
-========
 
 This program converts MOD files  created  with the standard trackers for
 Amiga,  e.g. Pro Tracker,  Noise Tracker and Sound Tracker to raw 16 bit
@@ -85,9 +93,7 @@ program supports most of them, including:
 Due to size constraints tremolo and vibrato is not supported.   Also, to
 avoid infinite long songs, the position jump feature is ignored.
 
-
+### Songs
-Songs
-=====
 
 With his permission, the package incldues two songs composed by Henrik
 Bertilsson, also known as Deelite:
@@ -96,16 +102,13 @@ Bertilsson, also known as Deelite:
   2. Randowan
 
 
-Build
+### Build
-=====
 
 Compiling for *nix systems (including cygwin) is straight forward:
 
     $ gcc -o vik vik.c
 
-
+### Usage
-Usage
-=====
 
 ### Convert MOD file to raw 44.1kHz stereo audio file
 
@@ -117,9 +120,7 @@ Usage
 
 (Don't forget the last '-' as it makes mplayer read from stdin.)
 
-
+### Obfuscation
-Obfuscation
-===========
 
 The IOCCC rules did not put a limit  on the entropy of the  source code,
 and it appears that the general entropy rules doesn't apply. An estimate
@@ -141,9 +142,7 @@ conditional  and the program  uses the ? operator (sigh) mainly  to save
 space,   but also to leverage  the comma operator  and  precedence  more
 efficiently.
 
-
+### Portability
-Portability
-===========
 
 The progam is portable to most platforms.  The only system dependency is
 that the program relies on writing binary data to stdout.
@@ -152,20 +151,19 @@ Microsoft compilers adds a carriges return to newlines,   and to compile
 the program with this platform,   the following line  can be added after
 the main declaration in order for the program to run correctly:
 
+```c
 _setmode(_fileno(stdout), 0x8000);
+```
 
-
+### Limitations
-Limitations
-===========
 
 The program  only runs when  a valid  MOD file is passed as argument. If
 no argument is passed, the program crashes.
 
---------------------------------------------------------------------------------
+## Copyright:
-<!--
+
 (c) Copyright 1984-2012, [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/
--->

2011/vik/raw2wav

@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 #
 # This work by Simon Cooper is licensed under a Creative Commons
 # Attribution-ShareAlike 3.0 Unported License.