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