It is actually used to silence the unknown warning option, not unknown warnings.
197 lines
4.2 KiB
Makefile
197 lines
4.2 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2004 winning entry - vik2
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################################################################################
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#
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# IOCCC winning entry code may not work on your system. What was liked/allowed
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# and worked in the past may no longer be liked/allowed or compile/run today.
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#
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# Bug fixes, corrections and typo fixes are VERY WELCOME. If you see a problem,
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# first check this URL for a list of known bugs and (mis)features of IOCCC entries:
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#
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# https://www.ioccc.org/bugs.html
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#
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# GitHub pull requests are welcome! Please see the above URL for details.
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#
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################################################################################
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#
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# This file is Copyright (c) 2023 by Landon Curt Noll. All Rights Reserved.
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# You are free to share and adapt this file under the terms of this license:
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#
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# Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
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#
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# For more information, see: https://creativecommons.org/licenses/by-sa/4.0/
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#############################
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# shell used by this Makefile
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#############################
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#
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SHELL= bash
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#######################
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# common tool locations
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#######################
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#
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include ../../var.mk
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# Common C compiler warnings to silence
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#
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CSILENCE= -Wno-strict-prototypes -Wno-implicit-function-declaration \
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-Wno-builtin-declaration-mismatch
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# Attempt to silence unknown warning option
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#
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CUNKNOWN= -Wno-unknown-warning-option
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# Common C compiler warning flags
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#
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CWARN= -Wall -Wextra ${CSILENCE} ${CUNKNOWN}
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# Compiler standard
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#
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CSTD= -std=gnu99
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# Compiler bit architecture
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#
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ARCH=
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# Defines that are needed to compile
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#
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CDEFINE=
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# Include files that are needed to compile
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#
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CINCLUDE=
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# Optimization
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#
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OPT= -O3
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# Default flags for ANSI C compilation
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#
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CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
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# Libraries needed to build
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#
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LDFLAGS=
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# C compiler to use
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#
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CC= cc
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# Compiler add-ons or replacements for clang only
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#
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ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
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#
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CSILENCE+= -Wno-poison-system-directories -Wno-unused-macros \
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-Wno-reserved-macro-identifier
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(findstring $(GCC),${CC})" "$(GCC)"
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#
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#CSILENCE+=
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#
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#CWARN+=
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#
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endif
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##############################
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# Special Makefile variables for this entry
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##############################
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#
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ENTRY= vik2
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PROG= ${ENTRY}
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#
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OBJ= ${PROG}.o
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DATA=
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TARGET= ${PROG}
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#
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ALT_OBJ=
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ALT_TARGET=
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#################
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# build the entry
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#################
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#
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all: data ${TARGET}
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@${TRUE}
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.PHONY: all alt data everything clean clobber
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${PROG}: ${PROG}.c
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${CC} ${CFLAGS} -DFNAME='"${PROG}.c"' '-DSTOP=_5' ${PROG}.c -o ${PROG}
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# alternative executable
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#
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alt: data ${ALT_TARGET}
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@${TRUE}
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# data files
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#
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data: ${DATA}
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@${TRUE}
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# both all and alt
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#
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everything: all alt
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@${TRUE}
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# The original vik2 source
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#
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# On some systems such as Linux, this source either fails
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# to finish compiling or takes a super-long time generating
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# a huge number of compiler errors. As such, we do not
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# recommend compiling this code. However for ailurophiles the
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# curiosity factor, even though it may have the effect of:
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#
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# kill -9 cat
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#
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# may be too strong to not try and compile the original
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# vik2 source code. Therefore we offer this special
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# Makefile rule for those who do not wish to curtail (or cattail :-) )
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# their curiosity.
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#
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cat-killing-curiosity: vik2.possible.cat.death.c
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@echo 'Curiosity killed the cat ...'
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${RM} -f ${PROG}.possible.cat.death_1.c
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${CC} -E '-DSTOP=_5' '-DFNAME="${PROG}.possible.cat.death_1.c"' \
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${PROG}.possible.cat.death.c > ${PROG}.possible.cat.death_1.c
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${RM} -f ${PROG}.possible.cat.death_2.c
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${CC} -E ${PROG}.possible.cat.death_1.c > ${PROG}.possible.cat.death_2.c
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${CC} ${CFLAGS} ${PROG}.possible.cat.death_2.c -o $@ 2>/dev/null
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@echo '... but satisfaction brought it back. :-)'
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###############
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# utility rules
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###############
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#
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clean:
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${RM} -f ${OBJ} ${ALT_OBJ}
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vik2_clean:
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${RM} -f vik2.o
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vik2_clobber: vik2_clean
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${RM} -f vik2
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clobber: clean
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${RM} -f ${TARGET} ${ALT_TARGET}
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${RM} -rf *.dSYM
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${RM} -f ${PROG}.possible.cat.death_1.c ${PROG}.possible.cat.death_2.c cat-killing-curiosity
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######################################
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# optional include of 1337 hacker rulz
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######################################
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-include 1337.mk ../1337.mk ../../1337.mk
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