It is actually used to silence the unknown warning option, not unknown warnings.
285 lines
5.6 KiB
Makefile
285 lines
5.6 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2018 winning entry - yang
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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
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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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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})" "$(CLANG)"
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#
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CSILENCE+= -Wno-comma -Wno-implicit-int-conversion -Wno-missing-variable-declarations \
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-Wno-poison-system-directories -Wno-sign-conversion -Wno-unused-macros \
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-Wno-misleading-indentation -Wno-unsafe-buffer-usage
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(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= yang
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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= obfuscation.html
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TARGET= left right shift msg0 msg1 msg2
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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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left: ${PROG}.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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right: generated1.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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shift: generated2.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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msg0: generated3.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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msg1: generated4.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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msg2: generated5.c
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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generated1.c: ${PROG}.c left
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@${RM} -f $@
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./left < $< > $@
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generated2.c: ${PROG}.c right
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@${RM} -f $@
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./right < $< > $@
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generated3.c: ${PROG}.c left
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@${RM} -f $@
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./left < $< | ./left > $@
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generated4.c: ${PROG}.c left shift
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@${RM} -f $@
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./shift < $< | ./left > $@
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generated5.c: ${PROG}.c right shift
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@${RM} -f $@
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./shift < $< | ./right > $@
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########################
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# detailed information #
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########################
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details:
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@echo "Really show the detailed information? If you must see it run:"
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@echo
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@echo " make i_give_up_show_me_the_details"
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i_give_up_show_me_the_details: msg3 msg4 msg5 msg6 msg7 msg8 msg9
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msg3: generated6.c
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$(CC) $(CFLAGS) $< -o $@
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msg4: generated7.c
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$(CC) $(CFLAGS) $< -o $@
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msg5: generated8.c
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$(CC) $(CFLAGS) $< -o $@
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msg6: generated9.c
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$(CC) $(CFLAGS) $< -o $@
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msg7: generated10.c
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$(CC) $(CFLAGS) $< -o $@
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msg8: generated11.c
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$(CC) $(CFLAGS) $< -o $@
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msg9: generated12.c
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$(CC) $(CFLAGS) $< -o $@
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generated6.c: ${PROG}.c right left shift
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@${RM} -f $@
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./right < $< | ./shift | ./left > $@
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generated7.c: ${PROG}.c right shift
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@${RM} -f $@
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./shift < $< | ./right | ./shift | ./right > $@
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generated8.c: generated7.c right left shift
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@${RM} -f $@
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./shift < $< | ./right | ./shift | ./left > $@
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generated9.c: generated8.c right shift
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@${RM} -f $@
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./right < $< | ./right | ./shift | ./right | ./shift | ./right > $@
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generated10.c: generated9.c right left shift
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@${RM} -f $@
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./shift < $< | ./right | ./shift | ./left > $@
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generated11.c: generated10.c right shift
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@${RM} -f $@
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./right < $< | ./right | ./shift | ./right | ./shift | ./right > $@
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generated12.c: msg7
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./msg7 > $@
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#####################################################
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# final information message for the truly impatient #
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#####################################################
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the_last_word: msg11.txt
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@${CAT} $<
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msg11.txt: msg11 ${PROG}.c
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@${RM} -f $@
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./$< < ${PROG}.c > $@
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msg10: generated13.c
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$(CC) $(CFLAGS) $< -o $@
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msg11: generated14.c
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$(CC) $(CFLAGS) $< -o $@
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generated13.c: ${PROG}.c left shift
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./left < $< | ./left | ./left | ./shift | ./left | ./shift | ./left | ./shift | ./left > $@
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generated14.c: ${PROG}.c msg10
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./msg10 < $< > $@
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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 generated* msg*
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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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