Cody Boone Ferguson
8eca5d216d
It is actually used to silence the unknown warning option, not unknown warnings.
206 lines
4.5 KiB
Makefile
206 lines
4.5 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2012 winning entry - hamano
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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-op-parentheses -Wno-empty-body -Wno-format \
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-Wno-format-security -Wno-gnu-zero-variadic-macro-arguments -Wno-main \
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-Wno-parentheses -Wno-implicit-function-declaration \
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-Wno-strict-prototypes -Wno-misleading-indentation
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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=gnu11
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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})" "$(CLANG)"
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#
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CSILENCE+= -Wno-comma -Wno-double-promotion -Wno-missing-prototypes \
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-Wno-missing-variable-declarations -Wno-poison-system-directories \
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-Wno-shadow -Wno-shorten-64-to-32 -Wno-unsafe-buffer-usage
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(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= hamano
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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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hello hello.pdf
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${PROG}: ${PROG}.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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# hint.pdf rules to simplify use of 2012/hamano
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#
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# This rule generates the hint.pdf file which is the README.md obfuscated as a
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# PDF that is NOT part of the repo:
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hint.pdf: ${PROG} README.md
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./${PROG} < README.md > hint.pdf
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@echo
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# This rule, hint, depends on the hint.pdf rule. That rule generates the
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# hint.pdf file (NOT part of the repo) which is an obfuscated (as a PDF) version
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# of the README.md. This rule, in turn, COMPILES THAT PDF FILE AS C CODE!
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hint: hint.pdf
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${CC} ${CFLAGS} -xc $< -o $@
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# hello.pdf rules to simplify use of 2012/hamano
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#
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# This rule generates the hello.pdf file which is a simple 'Hello World!'
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# program obfuscated as a PDF:
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hello.pdf:
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echo 'int main(){puts("Hello World!");}' | ./${PROG} > hello.pdf
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# This rule, hello, depends on the hello.pdf rule. That rule generates the
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# hello.pdf file (NOT part of the repo) which is an obfuscated (as a PDF) version
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# of a simple 'Hello World!' program. This rule, in turn, COMPILES THAT PDF FILE
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# AS C CODE to hello and then pipes it to cc to compile it to hello2 which when
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# run will print 'Hello World!'.
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hello: hello.pdf
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@echo
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${CC} ${CFLAGS} -xc hello.pdf -o $@
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@echo
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./hello | ${CC} ${CFLAGS} -xc - -o hello2
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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} ${ALT_TARGET} hint.pdf hello.pdf hello hello2
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${RM} -rf *.dSYM
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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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