source/libs/libpng/libpng-src/contrib/pngminim/encoder/makefile

   1 # Makefile for PngMinus (pnm2pngm)
   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=$(PNGSRC)/contrib/pngminus
  29
  30 # Zlib
  31 ZSRCS  = adler32$(C) compress$(C) crc32$(C) deflate$(C) \
  32          trees$(C) zutil$(C)
  33
  34 # Standard headers
  35 #ZH     = zlib.h crc32.h deflate.h trees.h zutil.h
  36 ZH     = zlib.h crc32.h deflate.h trees.h zutil.h
  37
  38 # Machine generated headers
  39 ZCONF  = zconf.h
  40
  41 # Headers callers use
  42 ZINC   = zlib.h $(ZCONF)
  43
  44 # Headers the Zlib source uses
  45 ZHDRS  = $(ZH) $(ZCONF)
  46
  47 # compress is not required; it is needed to link the zlib
  48 # code because deflate defines an unused API function deflateBound
  49 # which itself calls compressBound from compress.
  50 ZOBJS  = adler32$(O) compress$(O) crc32$(O) deflate$(O) \
  51          trees$(O) zutil$(O)
  52
  53 # libpng
  54 PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
  55         pngset$(C) pngtrans$(C) pngwio$(C) pngwrite$(C) \
  56         pngwtran$(C) pngwutil$(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$(O) \
  71         pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \
  72         pngwtran$(O) pngwutil$(O)
  73
  74 PROGSRCS= pnm2pngm$(C)
  75 PROGHDRS=
  76 PROGDOCS=
  77 PROGOBJS= pnm2pngm$(O)
  78
  79 OBJS    = $(PROGOBJS) $(PNGOBJS) $(ZOBJS)
  80
  81 # implicit make rules -------------------------------------------------------
  82
  83 .c$(O):
  84         $(CC) -c $(CPPFLAGS) $(CFLAGS) $<
  85
  86 # dependencies
  87
  88 all: pnm2pngm$(E)
  89
  90 pnm2pngm$(E): $(OBJS)
  91         $(LD) -o pnm2pngm$(E) $(OBJS)
  92
  93 # The DFA_XTRA setting turns all libpng options off then
  94 # turns on those required for this minimal build.
  95 # The CPP_FLAGS setting causes pngusr.h to be included in
  96 # both the build of pnglibconf.h and, subsequently, when
  97 # building libpng itself.
  98 $(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak $(ZH)\
  99         $(PNGSRC)/scripts/pnglibconf.dfa \
 100         $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
 101         $(RM) pnglibconf.h pnglibconf.dfn
 102         $(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
 103             srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG -I."\
 104             DFA_XTRA="pngusr.dfa" $@
 105
 106 clean:
 107         $(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
 108             srcdir=$(PNGSRC) clean
 109         $(RM) pnm2pngm$(O)
 110         $(RM) pnm2pngm$(E)
 111         $(RM) $(OBJS)
 112
 113 # distclean also removes the copied source and headers
 114 distclean: clean
 115         $(RM) -r scripts # historical reasons
 116         $(RM) $(PNGSRCS) $(PNGH)
 117         $(RM) $(ZSRCS) $(ZH) $(ZCONF)
 118         $(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS)
 119
 120 # Header file dependencies:
 121 $(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC)
 122 $(PNGOBJS): $(PNGHDRS) $(ZINC)
 123 $(ZOBJS): $(ZHDRS)
 124
 125 # Gather the source code from the respective directories
 126 $(PNGSRCS) $(PNGH): $(PNGSRC)/$@
 127         $(RM) $@
 128         $(COPY) $(PNGSRC)/$@ $@
 129
 130 # No dependency on the ZLIBSRC target so that it only needs
 131 # to be specified once.
 132 $(ZSRCS) $(ZH):
 133         $(RM) $@
 134         $(COPY) $(ZLIBSRC)/$@ $@
 135
 136 # The unconfigured zconf.h varies in name according to the
 137 # zlib release
 138 $(ZCONF):
 139         $(RM) $@
 140         @for f in zconf.h.in zconf.in.h zconf.h; do\
 141             test -r $(ZLIBSRC)/$$f &&\
 142             echo $(COPY) $(ZLIBSRC)/$$f $@ &&\
 143             $(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\
 144         done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1
 145
 146 pnm2pngm.c: $(PROGSRC)/pnm2png.c
 147         $(RM) $@
 148         $(COPY) $(PROGSRC)/pnm2png.c $@
 149
 150 # End of makefile for pnm2pngm