1 # Makefile for PngMinus (pngm2pnm) 2 # Linux / Unix 3 4 #CC=cc 5 CC=gcc 6 LD=$(CC) 7 8 # If awk fails try 9 # make AWK=nawk 10 11 # If cpp fails try 12 # make CPP=/lib/cpp 13 14 RM=rm -f 15 COPY=cp 16 17 CPPFLAGS=-I. -DPNG_USER_CONFIG -DNO_GZCOMPRESS -DZ_SOLO -DNO_GZIP 18 CFLAGS=-O1 -Wall 19 20 C=.c 21 O=.o 22 L=.a 23 E= 24 25 # Where to find the source code: 26 PNGSRC =../../.. 27 ZLIBSRC=$(PNGSRC)/../zlib 28 PROGSRC=$(PNGSRC)/contrib/pngminus 29 30 # Zlib (minimal inflate requirements - crc32 is used by libpng) 31 # zutil can be eliminated if you provide your own zcalloc and zcfree 32 ZSRCS = adler32$(C) crc32$(C) \ 33 inffast$(C) inflate$(C) inftrees$(C) \ 34 zutil$(C) 35 36 # Standard headers 37 ZH = zlib.h crc32.h inffast.h inffixed.h \ 38 inflate.h inftrees.h zutil.h 39 40 # Machine generated headers 41 ZCONF = zconf.h 42 43 # Headers callers use 44 ZINC = zlib.h $(ZCONF) 45 46 # Headers the Zlib source uses 47 ZHDRS = $(ZH) $(ZCONF) 48 49 ZOBJS = adler32$(O) crc32$(O) \ 50 inffast$(O) inflate$(O) inftrees$(O) \ 51 zutil$(O) 52 53 # libpng 54 PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \ 55 pngread$(C) pngrio$(C) pngrtran$(C) pngrutil$(C) \ 56 pngset$(C) pngtrans$(C) 57 58 # Standard headers 59 PNGH =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h 60 61 # Machine generated headers 62 PNGCONF=pnglibconf.h 63 64 # Headers callers use 65 PNGINC= png.h pngconf.h pngusr.h $(PNGCONF) 66 67 # Headers the PNG library uses 68 PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h 69 70 PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \ 71 pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \ 72 pngset$(O) pngtrans$(O) 73 74 PROGSRCS= pngm2pnm$(C) 75 PROGHDRS= 76 PROGDOCS= 77 PROGOBJS= pngm2pnm$(O) 78 79 OBJS = $(PROGOBJS) $(PNGOBJS) $(ZOBJS) 80 81 # implicit make rules ------------------------------------------------------- 82 83 # note: dependencies do not work on implicit rule lines 84 .c$(O): 85 $(CC) -c $(CPPFLAGS) $(CFLAGS) $< 86 87 # dependencies 88 89 all: pngm2pnm$(E) 90 91 pngm2pnm$(E): $(OBJS) 92 $(LD) -o pngm2pnm$(E) $(OBJS) 93 94 # The DFA_XTRA setting turns all libpng options off then 95 # turns on those required for this minimal build. 96 # The CPP_FLAGS setting causes pngusr.h to be included in 97 # both the build of pnglibconf.h and, subsequently, when 98 # building libpng itself. 99 $(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak $(ZH)\ 100 $(PNGSRC)/scripts/pnglibconf.dfa \ 101 $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa 102 $(RM) pnglibconf.h pnglibconf.dfn 103 $(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\ 104 srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG -I."\ 105 DFA_XTRA="pngusr.dfa" $@ 106 107 clean: 108 $(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\ 109 srcdir=$(PNGSRC) clean 110 $(RM) pngm2pnm$(O) 111 $(RM) pngm2pnm$(E) 112 $(RM) $(OBJS) 113 114 # distclean also removes the copied source and headers 115 distclean: clean 116 $(RM) -r scripts # historical reasons 117 $(RM) $(PNGSRCS) $(PNGH) 118 $(RM) $(ZSRCS) $(ZH) $(ZCONF) 119 $(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS) 120 121 # Header file dependencies: 122 $(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC) 123 $(PNGOBJS): $(PNGHDRS) $(ZINC) 124 $(ZOBJS): $(ZHDRS) 125 126 # Gather the source code from the respective directories 127 $(PNGSRCS) $(PNGH): $(PNGSRC)/$@ 128 $(RM) $@ 129 $(COPY) $(PNGSRC)/$@ $@ 130 131 # No dependency on the ZLIBSRC target so that it only needs 132 # to be specified once. 133 $(ZSRCS) $(ZH): 134 $(RM) $@ 135 $(COPY) $(ZLIBSRC)/$@ $@ 136 137 # The unconfigured zconf.h varies in name according to the 138 # zlib release 139 $(ZCONF): 140 $(RM) $@ 141 @for f in zconf.h.in zconf.in.h zconf.h; do\ 142 test -r $(ZLIBSRC)/$$f &&\ 143 echo $(COPY) $(ZLIBSRC)/$$f $@ &&\ 144 $(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\ 145 done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1 146 147 pngm2pnm.c: $(PROGSRC)/png2pnm.c 148 $(RM) $@ 149 $(COPY) $(PROGSRC)/png2pnm.c $@ 150 151 # End of makefile for pngm2pnm 152
