Cody Boone Ferguson
8eca5d216d
It is actually used to silence the unknown warning option, not unknown warnings.
234 lines
6.1 KiB
Makefile
234 lines
6.1 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2001 winning entry - anonymous
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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-bitwise-conditional-parentheses -Wno-error \
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-Wno-implicit-function-declaration -Wno-implicit-int \
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-Wno-int-to-pointer-cast -Wno-macro-redefined -Wno-pedantic \
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-Wno-pointer-to-int-cast -Wno-return-type -Wno-string-plus-int \
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-Wno-bitwise-op-parentheses -Wno-format -Wno-format-extra-args \
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-Wno-int-conversion -Wno-unused-parameter -Wno-unsequenced \
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-Wno-deprecated-non-prototype -Wno-unused-value \
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-Wno-maybe-uninitialized -Wno-parentheses
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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})" "$(CLANG)"
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#
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CSILENCE+= -Wno-bad-function-cast -Wno-comma -Wno-format-nonliteral \
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-Wno-missing-prototypes -Wno-missing-variable-declarations \
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-Wno-poison-system-directories -Wno-shadow -Wno-strict-prototypes \
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-Wno-unused-macros -Wno-shorten-64-to-32 -Wno-sign-conversion \
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-Wno-unsafe-buffer-usage
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(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= anonymous
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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} ${PROG}.ten ${PROG}.ten.alt ${PROG}.bed ${PROG}.bed.alt
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#
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ALT_OBJ= ${PROG}.ten.alt.o ${PROG}.bed.alt.o
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ALT_TARGET= ${PROG}.ten.alt ${PROG}.bed.alt
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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}: ${PROG}.c
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magic='${CC} ${CFLAGS}'; \
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X='-DA(X)=#X'; \
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warning='-Dprocessor'; \
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$$magic $$warning -Dmagic= $$X "-DX=A($$magic \"$$X\")" \
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$< -o $@ ${LDFLAGS}
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${PROG}.ten: ${PROG}.ten.c
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@echo "Warning: ${PROG}.ten.c must be compiled as a 32-bit ELF binary to use with"
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@echo "the entry itself; this is because the program works on 32-bit ELF binaries."
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@echo "If you cannot use -m32 or it cannot compile for some other reason this will"
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@echo "NOT work!"
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@echo
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@echo "If you want to use this program where this is not possible e.g. with a Mac,"
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@echo "say to use by itself, try:"
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@echo
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@echo " make anonymous.ten.alt"
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@echo
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@echo "but running ${PROG} on the resulting binary will crash. The build of"
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@echo "anonymous.ten.alt is done automatically in case anonymous.ten fails to"
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@echo "compile. Nevertheless again the entry will not work with it."
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@echo
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${CC} ${CFLAGS} -m32 $< -o $@ ${LDFLAGS} || ${MAKE} ${PROG}.ten.alt
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${PROG}.ten.alt: ${PROG}.ten.c
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@echo
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@echo "Warning: the file created by this rule, ${PROG}.ten.alt, will NOT work with"
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@echo "the entry itself; this is because it works ONLY on 32-bit ELF binaries! This"
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@echo "however at least lets you see the supplementary program in action:"
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@echo
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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@echo
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${PROG}.bed: ${PROG}.bed.c
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@echo "Warning: ${PROG}.bed.c must be compiled as a 32-bit ELF binary to use with"
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@echo "the entry itself; this is because the program works on 32-bit ELF binaries."
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@echo "If you cannot use -m32 or it cannot compile for some other reason this will"
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@echo "NOT work!"
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@echo
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@echo "If you want to use this program where this is not possible e.g. with a Mac,"
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@echo "say to use by itself, try:"
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@echo
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@echo " make anonymous.bed.alt"
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@echo
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@echo "but running ${PROG} on the resulting binary will crash. The build of"
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@echo "anonymous.bed.alt is done automatically in case anonymous.bed fails to"
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@echo "compile. Nevertheless again the entry will not work with it."
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@echo
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${CC} ${CFLAGS} -m32 $< -o $@ ${LDFLAGS} || ${MAKE} ${PROG}.bed.alt
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${PROG}.bed.alt: ${PROG}.bed.c
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@echo
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@echo "Warning: the file created by this rule, ${PROG}.bed.alt, will NOT work with"
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@echo "the entry itself; this is because it works ONLY on 32-bit ELF binaries! This"
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@echo "however at least lets you see the supplementary program in action:"
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@echo
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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@echo
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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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@${TRUE}
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###############
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# utility rules
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###############
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#
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clean:
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${RM} -f ${OBJ} ${ALT_OBJ}
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clobber: clean
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${RM} -f ${TARGET} ${ALT_TARGET}
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${RM} -rf *.dSYM
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${RM} -f anonymous.ten.bak ten.od ten.od.bak ten.txt ten.bak.txt
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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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