workbench/libs/png/contrib/pngminim/encoder/makefile

   1 # Makefile for PngMinus (pnm2pngm)
   2 # Linux / Unix
   3
   4 #CC=cc
   5 CC=gcc
   6 LD=$(CC)
   7
   8 # If awk fails try
   9 # make AWK=nawk
  10
  11 # If cpp fails try
  12 # make CPP=/lib/cpp
  13
  14 RM=rm -f
  15 COPY=cp
  16
  17 CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1
  18
  19 C=.c
  20 O=.o
  21 L=.a
  22 E=
  23
  24 # Where to find the source code:
  25 PNGSRC =../../..
  26 ZLIBSRC=$(PNGSRC)/../zlib
  27 PROGSRC=$(PNGSRC)/contrib/pngminus
  28
  29 # Zlib
  30 ZSRCS  = adler32$(C) compress$(C) crc32$(C) deflate$(C) \
  31          trees$(C) zutil$(C)
  32
  33 # Standard headers
  34 #ZH     = zlib.h crc32.h deflate.h trees.h zutil.h
  35 ZH     = zlib.h crc32.h deflate.h trees.h zutil.h
  36
  37 # Machine generated headers
  38 ZCONF  = zconf.h
  39
  40 # Headers callers use
  41 ZINC   = zlib.h $(ZCONF)
  42
  43 # Headers the Zlib source uses
  44 ZHDRS  = $(ZH) $(ZCONF)
  45
  46 # compress is not required; it is needed to link the zlib
  47 # code because deflate defines an unused API function deflateBound
  48 # which itself calls compressBound from compress.
  49 ZOBJS  = adler32$(O) compress$(O) crc32$(O) deflate$(O) \
  50          trees$(O) zutil$(O)
  51
  52 # libpng
  53 PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
  54         pngset$(C) pngtrans$(C) pngwio$(C) pngwrite$(C) \
  55         pngwtran$(C) pngwutil$(C)
  56
  57 # Standard headers
  58 PNGH   =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
  59
  60 # Machine generated headers
  61 PNGCONF=pnglibconf.h
  62
  63 # Headers callers use
  64 PNGINC= png.h pngconf.h pngusr.h $(PNGCONF)
  65
  66 # Headers the PNG library uses
  67 PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h
  68
  69 PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
  70         pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \
  71         pngwtran$(O) pngwutil$(O)
  72
  73 PROGSRCS= pnm2pngm$(C)
  74 PROGHDRS=
  75 PROGDOCS=
  76 PROGOBJS= pnm2pngm$(O)
  77
  78 OBJS    = $(PROGOBJS) $(PNGOBJS) $(ZOBJS)
  79
  80 # implicit make rules -------------------------------------------------------
  81
  82 .c$(O):
  83         $(CC) -c $(CFLAGS) $<
  84
  85 # dependencies
  86
  87 all: pnm2pngm$(E)
  88
  89 pnm2pngm$(E): $(OBJS)
  90         $(LD) -o pnm2pngm$(E) $(OBJS)
  91
  92 # The DFA_XTRA setting turns all libpng options off then
  93 # turns on those required for this minimal build.
  94 # The CPP_FLAGS setting causes pngusr.h to be included in
  95 # both the build of pnglibconf.h and, subsequently, when
  96 # building libpng itself.
  97 $(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak\
  98         $(PNGSRC)/scripts/pnglibconf.dfa \
  99         $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
 100         $(RM) pnglibconf.h pnglibconf.dfn
 101         $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
 102             srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG"\
 103             DFA_XTRA="pngusr.dfa" $@
 104
 105 clean:
 106         $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
 107             srcdir=$(PNGSRC) clean
 108         $(RM) pnm2pngm$(O)
 109         $(RM) pnm2pngm$(E)
 110         $(RM) $(OBJS)
 111
 112 # distclean also removes the copied source and headers
 113 distclean: clean
 114         $(RM) -r scripts # historical reasons
 115         $(RM) $(PNGSRCS) $(PNGH)
 116         $(RM) $(ZSRCS) $(ZH) $(ZCONF)
 117         $(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS)
 118
 119 # Header file dependencies:
 120 $(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC)
 121 $(PNGOBJS): $(PNGHDRS) $(ZINC)
 122 $(ZOBJS): $(ZHDRS)
 123
 124 # Gather the source code from the respective directories
 125 $(PNGSRCS) $(PNGH): $(PNGSRC)/$@
 126         $(RM) $@
 127         $(COPY) $(PNGSRC)/$@ $@
 128
 129 # No dependency on the ZLIBSRC target so that it only needs
 130 # to be specified once.
 131 $(ZSRCS) $(ZH):
 132         $(RM) $@
 133         $(COPY) $(ZLIBSRC)/$@ $@
 134
 135 # The unconfigured zconf.h varies in name according to the
 136 # zlib release
 137 $(ZCONF):
 138         $(RM) $@
 139         @for f in zconf.h.in zconf.in.h zconf.h; do\
 140             test -r $(ZLIBSRC)/$$f &&\
 141             echo $(COPY) $(ZLIBSRC)/$$f $@ &&\
 142             $(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\
 143         done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1
 144
 145 pnm2pngm.c: $(PROGSRC)/pnm2png.c
 146         $(RM) $@
 147         $(COPY) $(PROGSRC)/pnm2png.c $@
 148
 149 # End of makefile for pnm2pngm