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151 lines
3.5 KiB
151 lines
3.5 KiB
# Makefile for PngMinus (pngm2pnm) |
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# Linux / Unix |
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#CC=cc |
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CC=gcc |
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LD=$(CC) |
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# If awk fails try |
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# make AWK=nawk |
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# If cpp fails try |
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# make CPP=/lib/cpp |
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RM=rm -f |
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COPY=cp |
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CPPFLAGS=-I. -DPNG_USER_CONFIG -DNO_GZCOMPRESS -DZ_SOLO -DNO_GZIP |
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CFLAGS=-O1 -Wall |
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C=.c |
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O=.o |
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L=.a |
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E= |
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# Where to find the source code: |
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PNGSRC =../../.. |
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ZLIBSRC=$(PNGSRC)/../zlib |
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PROGSRC=$(PNGSRC)/contrib/pngminus |
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# Zlib (minimal inflate requirements - crc32 is used by libpng) |
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# zutil can be eliminated if you provide your own zcalloc and zcfree |
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ZSRCS = adler32$(C) crc32$(C) \ |
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inffast$(C) inflate$(C) inftrees$(C) \ |
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zutil$(C) |
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# Standard headers |
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ZH = zlib.h crc32.h inffast.h inffixed.h \ |
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inflate.h inftrees.h zutil.h |
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# Machine generated headers |
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ZCONF = zconf.h |
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# Headers callers use |
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ZINC = zlib.h $(ZCONF) |
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# Headers the Zlib source uses |
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ZHDRS = $(ZH) $(ZCONF) |
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ZOBJS = adler32$(O) crc32$(O) \ |
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inffast$(O) inflate$(O) inftrees$(O) \ |
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zutil$(O) |
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# libpng |
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PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \ |
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pngread$(C) pngrio$(C) pngrtran$(C) pngrutil$(C) \ |
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pngset$(C) pngtrans$(C) |
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# Standard headers |
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PNGH =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h |
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# Machine generated headers |
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PNGCONF=pnglibconf.h |
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# Headers callers use |
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PNGINC= png.h pngconf.h pngusr.h $(PNGCONF) |
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# Headers the PNG library uses |
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PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h |
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PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \ |
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pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \ |
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pngset$(O) pngtrans$(O) |
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PROGSRCS= pngm2pnm$(C) |
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PROGHDRS= |
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PROGDOCS= |
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PROGOBJS= pngm2pnm$(O) |
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OBJS = $(PROGOBJS) $(PNGOBJS) $(ZOBJS) |
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# implicit make rules ------------------------------------------------------- |
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# note: dependencies do not work on implicit rule lines |
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.c$(O): |
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$(CC) -c $(CPPFLAGS) $(CFLAGS) $< |
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# dependencies |
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all: pngm2pnm$(E) |
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pngm2pnm$(E): $(OBJS) |
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$(LD) -o pngm2pnm$(E) $(OBJS) |
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# The DFA_XTRA setting turns all libpng options off then |
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# turns on those required for this minimal build. |
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# The CPP_FLAGS setting causes pngusr.h to be included in |
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# both the build of pnglibconf.h and, subsequently, when |
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# building libpng itself. |
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$(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak $(ZH)\ |
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$(PNGSRC)/scripts/pnglibconf.dfa \ |
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$(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa |
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$(RM) pnglibconf.h pnglibconf.dfn |
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$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\ |
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srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG -I."\ |
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DFA_XTRA="pngusr.dfa" $@ |
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clean: |
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$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\ |
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srcdir=$(PNGSRC) clean |
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$(RM) pngm2pnm$(O) |
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$(RM) pngm2pnm$(E) |
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$(RM) $(OBJS) |
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# distclean also removes the copied source and headers |
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distclean: clean |
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$(RM) -r scripts # historical reasons |
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$(RM) $(PNGSRCS) $(PNGH) |
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$(RM) $(ZSRCS) $(ZH) $(ZCONF) |
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$(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS) |
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# Header file dependencies: |
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$(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC) |
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$(PNGOBJS): $(PNGHDRS) $(ZINC) |
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$(ZOBJS): $(ZHDRS) |
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# Gather the source code from the respective directories |
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$(PNGSRCS) $(PNGH): $(PNGSRC)/$@ |
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$(RM) $@ |
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$(COPY) $(PNGSRC)/$@ $@ |
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# No dependency on the ZLIBSRC target so that it only needs |
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# to be specified once. |
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$(ZSRCS) $(ZH): |
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$(RM) $@ |
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$(COPY) $(ZLIBSRC)/$@ $@ |
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# The unconfigured zconf.h varies in name according to the |
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# zlib release |
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$(ZCONF): |
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$(RM) $@ |
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@for f in zconf.h.in zconf.in.h zconf.h; do\ |
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test -r $(ZLIBSRC)/$$f &&\ |
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echo $(COPY) $(ZLIBSRC)/$$f $@ &&\ |
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$(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\ |
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done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1 |
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pngm2pnm.c: $(PROGSRC)/png2pnm.c |
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$(RM) $@ |
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$(COPY) $(PROGSRC)/png2pnm.c $@ |
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# End of makefile for pngm2pnm
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