Cody Boone Ferguson
8eca5d216d
It is actually used to silence the unknown warning option, not unknown warnings.
189 lines
3.9 KiB
Makefile
189 lines
3.9 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2019 winning entry - karns
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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-error -Wno-implicit-function-declaration -Wno-implicit-int \
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-Wno-incompatible-function-pointer-types \
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-Wno-logical-op-parentheses -Wno-sign-compare \
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-Wno-tautological-bitwise-compare -Wno-unused-label \
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-Wno-unused-variable -Wno-strict-prototypes \
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-Wno-builtin-declaration-mismatch -Wno-incompatible-pointer-types \
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-Wno-misleading-indentation -Wno-parentheses -Wno-unused-value
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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=gnu17
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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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# We disable the optimiser because the entry has problems with it enabled.
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OPT= -O0
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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})" "$(CLANG)"
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#
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CSILENCE+= -Wno-conditional-uninitialized -Wno-missing-variable-declarations \
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-Wno-poison-system-directories -Wno-shadow -Wno-shorten-64-to-32 \
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-Wno-sign-conversion -Wno-declaration-after-statement \
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-Wno-incompatible-function-pointer-types-strict -Wno-reserved-identifier \
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-Wno-unsafe-buffer-usage
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(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= karns
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PROG= prog
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#
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OBJ= ${PROG}.o
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CSRC= ${PROG}.o
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DATA= maze try.sh
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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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# FORCE no -O level #
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# ##########################
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OPT+= -O0
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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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# We FORCE the use of -O0 even if someone overrides it because this entry has
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# problems with it enabled.
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${PROG}: ${PROG}.c
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${CC} ${CFLAGS} -O0 $< -o $@ ${LDFLAGS}
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${LN} -sf ${PROG} tbfs
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test: ${PROG}
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./${PROG} < ${PROG}.c
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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 tbfs
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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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