diff options
Diffstat (limited to 'gs/libpng/contrib/pngminim/encoder/makefile')
| -rw-r--r-- | gs/libpng/contrib/pngminim/encoder/makefile | 118 |
1 files changed, 112 insertions, 6 deletions
diff --git a/gs/libpng/contrib/pngminim/encoder/makefile b/gs/libpng/contrib/pngminim/encoder/makefile index dfde950ec..d6f39e2ea 100644 --- a/gs/libpng/contrib/pngminim/encoder/makefile +++ b/gs/libpng/contrib/pngminim/encoder/makefile @@ -5,7 +5,14 @@ CC=gcc LD=$(CC) +# If awk fails try +# make AWK=nawk + +# If cpp fails try +# make CPP=/lib/cpp + RM=rm -f +COPY=cp CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1 @@ -14,17 +21,65 @@ O=.o L=.a E= +# Where to find the source code: +PNGSRC =../../.. +ZLIBSRC=$(PNGSRC)/../zlib +PROGSRC=$(PNGSRC)/contrib/pngminus + +# Zlib +ZSRCS = adler32$(C) compress$(C) crc32$(C) deflate$(C) \ + trees$(C) zutil$(C) + +# Standard headers +#ZH = zlib.h crc32.h deflate.h trees.h zutil.h +ZH = zlib.h crc32.h deflate.h trees.h zutil.h + +# Machine generated headers +ZCONF = zconf.h + +# Headers callers use +ZINC = zlib.h $(ZCONF) + +# Headers the Zlib source uses +ZHDRS = $(ZH) $(ZCONF) + +# compress is not required; it is needed to link the zlib +# code because deflate defines an unused API function deflateBound +# which itself calls compressBound from compress. ZOBJS = adler32$(O) compress$(O) crc32$(O) deflate$(O) \ - dummy_inflate$(O) \ - trees$(O) uncompr$(O) zutil$(O) + trees$(O) zutil$(O) + +# libpng +PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \ + pngset$(C) pngtrans$(C) pngwio$(C) pngwrite$(C) \ + pngwtran$(C) pngwutil$(C) + +# Standard headers +PNGH =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h + +# Machine generated headers +PNGCONF=pnglibconf.h -OBJS = pnm2pngm$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \ +# 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$(O) \ pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \ - pngwtran$(O) pngwutil$(O) $(ZOBJS) + pngwtran$(O) pngwutil$(O) + +PROGSRCS= pnm2pngm$(C) +PROGHDRS= +PROGDOCS= +PROGOBJS= pnm2pngm$(O) + +OBJS = $(PROGOBJS) $(PNGOBJS) $(ZOBJS) # implicit make rules ------------------------------------------------------- -.c$(O): png.h pngconf.h pngusr.h zlib.h +.c$(O): $(CC) -c $(CFLAGS) $< # dependencies @@ -33,11 +88,62 @@ all: pnm2pngm$(E) pnm2pngm$(E): $(OBJS) $(LD) -o pnm2pngm$(E) $(OBJS) - strip pnm2pngm$(E) + +# 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\ + $(PNGSRC)/scripts/pnglibconf.dfa \ + $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa + $(RM) pnglibconf.h pnglibconf.dfn + $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\ + srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG"\ + DFA_XTRA="pngusr.dfa" $@ clean: + $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\ + srcdir=$(PNGSRC) clean $(RM) pnm2pngm$(O) $(RM) pnm2pngm$(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 + +pnm2pngm.c: $(PROGSRC)/pnm2png.c + $(RM) $@ + $(COPY) $(PROGSRC)/pnm2png.c $@ + # End of makefile for pnm2pngm |