Cody Boone Ferguson
8eca5d216d
It is actually used to silence the unknown warning option, not unknown warnings.
218 lines
4.6 KiB
Makefile
218 lines
4.6 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2004 winning entry - gavin
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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-bitwise-op-parentheses \
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-Wno-constant-conversion -Wno-error -Wno-implicit-function-declaration \
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-Wno-int-to-pointer-cast -Wno-parentheses -Wno-pointer-to-int-cast \
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-Wno-return-type -Wno-unused-parameter -Wno-unused-variable
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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= '-DY(m)=*((int*)(m))' \
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'-DE(f,a,b,c)=((G((*)))(f))(a,b,c)' \
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'-DM=for(D=0;D<786432;D++)' \
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'-DZ=int i=0,j=0,h,n,p=393728,s=26739,C,D' \
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'-DV=0x90200' \
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'-DK=0' \
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'-DR=while((C=E(V-8,100,0,0))&3&&(D=E(V-8,96,0,0))|3){' \
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'-DL(c,d)=E(V+8,100,c,0);R}E(V+8,96,d,0);R}'
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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= -O1
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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})" "$(CLANG)"
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#
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CSILENCE+= -Wno-comma -Wno-implicit-int-conversion -Wno-missing-prototypes \
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-Wno-reserved-identifier -Wno-unsafe-buffer-usage \
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-Wno-poison-system-directories
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(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= gavin
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PROG= ${ENTRY}
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#
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OBJ= ${PROG}.o
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DATA= boot.b lilo.conf prim gavin.md
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TARGET= ${PROG} kernel sh vi fs.tar
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#
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ALT_OBJ= ${PROG}.alt.o
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ALT_TARGET= ${PROG}.alt kernel.alt sh.alt vi.alt fs.alt.tar
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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} $< -o $@ ${LDFLAGS}
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kernel: ${PROG}
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${RM} -f $@
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./${PROG} > $@
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sh: ${PROG}.c
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${RM} -f ${PROG}.o
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${CC} ${CFLAGS} -DB=_start '-Dputchar(a)=' $< -c
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${RM} -f $@
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@echo "NOTE: this entry will not work with any platform other than x86/linux."
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${LD} -static -o $@ ${PROG}.o
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vi: sh
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${RM} -f $@
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${CP} $< $@
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fs.tar: sh vi gavin.c README.md prim
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${RM} -f $@
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${TAR} -cvf $@ sh vi gavin.c README.md prim
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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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${PROG}.alt: ${PROG}.alt.c
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${CC} ${CFLAGS} -UK -DK=1 $< -o $@ ${LDFLAGS}
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kernel.alt: ${PROG}.alt
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${RM} -f kernel
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./${PROG}.alt > kernel
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sh.alt: ${PROG}.alt.c
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${RM} -f ${PROG}.alt.o
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${CC} ${CFLAGS} -DB=_start '-Dputchar(a)=' $< -c
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@echo "NOTE: this entry will not work with any platform other than x86/linux."
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${LD} -static -o sh ${PROG}.alt.o
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vi.alt: sh.alt
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${RM} -f vi
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${CP} $< vi
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fs.alt.tar: sh.alt vi.alt gavin.alt.c README.md prim
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${RM} -f $@
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${TAR} -cvf fs.tar sh vi gavin.alt.c README.md prim
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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} ${ALT_OBJ}
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${RM} -f sh vi kernel gavin.o
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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 gavin fs.tar
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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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