src/png/scripts/makefile.elf

   1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc
   2 # Copyright (C) 1998, 1999, 2002, 2006 Greg Roelofs and Glenn Randers-Pehrson
   3 # Copyright (C) 1996, 1997 Andreas Dilger
   4 # For conditions of distribution and use, see copyright notice in png.h
   5
   6 # Modified for Debian by Junichi Uekawa and Josselin Mouette
   7 # Major modifications are:
   8 #    * link libpng explicitly with libz and libm
   9 #    * $(OLDSO).3 is a symlink rather than a different library
  10 #    * versioned symbols
  11
  12 # Library name:
  13 LIBNAME = libpng12
  14 PNGMAJ = 0
  15 PNGMIN = 1.2.20
  16 PNGVER = $(PNGMAJ).$(PNGMIN)
  17
  18 # Shared library names:
  19 LIBSO=$(LIBNAME).so
  20 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
  21 LIBSOVER=$(LIBNAME).so.$(PNGVER)
  22 OLDSO=libpng.so
  23 OLDSOMAJ=libpng.so.3
  24 OLDSOVER=libpng.so.3.$(PNGMIN)
  25
  26 # Utilities:
  27 AR_RC=ar rc
  28 CC=gcc
  29 MKDIR_P=mkdir -p
  30 LN_SF=ln -sf
  31 RANLIB=ranlib
  32 RM_F=/bin/rm -f
  33
  34 # where "make install" puts libpng12.a, libpng12.so*,
  35 # libpng12/png.h and libpng12/pngconf.h
  36 # Prefix must be a full pathname.
  37 prefix=/usr/local
  38 exec_prefix=$(prefix)
  39
  40 # Where the zlib library and include files are located.
  41 ZLIBLIB=/usr/local/lib
  42 ZLIBINC=/usr/local/include
  43 # ZLIBLIB=../zlib
  44 # ZLIBINC=../zlib
  45
  46 ALIGN=
  47 # for i386:
  48 #ALIGN=-malign-loops=2 -malign-functions=2
  49
  50 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
  51         -Wmissing-declarations -Wtraditional -Wcast-align \
  52         -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
  53
  54 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
  55
  56 CFLAGS=-Wall -D_REENTRANT -O2 \
  57         $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
  58
  59 LDFLAGS=-L. -lpng12
  60 LDFLAGS_A=libpng.a -lz -lm
  61 LIBADDFLAGS=-lz -lm
  62
  63
  64 INCPATH=$(prefix)/include
  65 LIBPATH=$(exec_prefix)/lib
  66 MANPATH=$(prefix)/man
  67 BINPATH=$(exec_prefix)/bin
  68
  69 # override DESTDIR= on the make install command line to easily support
  70 # installing into a temporary location.  Example:
  71 #
  72 #    make install DESTDIR=/tmp/build/libpng
  73 #
  74 # If you're going to install into a temporary location
  75 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
  76 # you execute make install.
  77 DESTDIR=
  78
  79 DB=$(DESTDIR)$(BINPATH)
  80 DI=$(DESTDIR)$(INCPATH)
  81 DL=$(DESTDIR)$(LIBPATH)
  82 DM=$(DESTDIR)$(MANPATH)
  83
  84 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
  85         pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
  86         pngwtran.o pngmem.o pngerror.o pngpread.o
  87
  88 OBJSDLL = $(OBJS:.o=.pic.o)
  89
  90 .SUFFIXES:      .c .o .pic.o
  91
  92 .c.pic.o:
  93         $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
  94
  95 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
  96
  97 libpng.a: $(OBJS)
  98         $(AR_RC) $@ $(OBJS)
  99         $(RANLIB) $@
 100
 101 libpng.pc:
 102         cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
 103
 104 libpng.syms: png.h pngconf.h
 105         $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\
 106         awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\
 107         { for (i=1;i+2<=NF;++i)\
 108                 if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
 109                         print $$(i+1) ";";\
 110         for (i=1;i+1<=NF;++i)\
 111                 if ($$(i)=="PNG_DATA_EXPORT")\
 112                         print $$(i+1) ";";}\
 113         END{print "local: *; };"}' >$@.new
 114         $(RM_F) $@
 115         mv $@.new $@
 116
 117 libpng-config:
 118         ( cat scripts/libpng-config-head.in; \
 119         echo prefix=\"$(prefix)\"; \
 120         echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
 121         echo L_opts=\"\"; \
 122         echo R_opts=\"\"; \
 123         echo libs=\"-lpng12\"; \
 124         echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \
 125         cat scripts/libpng-config-body.in ) > libpng-config
 126         chmod +x libpng-config
 127
 128 $(LIBSO): $(LIBSOMAJ)
 129         $(LN_SF) $(LIBSOMAJ) $(LIBSO)
 130
 131 $(LIBSOMAJ): $(LIBSOVER)
 132         $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
 133
 134 $(LIBSOVER): $(OBJSDLL) libpng.syms
 135         $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
 136         -Wl,-version-script,libpng.syms \
 137         -o $(LIBSOVER) \
 138         $(OBJSDLL)
 139
 140 $(OLDSOVER): $(OBJSDLL) libpng.syms
 141         $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
 142         -Wl,-version-script,libpng.syms \
 143         -o $(OLDSOVER) \
 144         $(OBJSDLL)
 145
 146 pngtest: pngtest.o $(LIBSO)
 147         $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 148
 149 pngtest-static: pngtest.o libpng.a
 150         $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
 151
 152 test: pngtest pngtest-static
 153         @echo ""
 154         @echo "   Running pngtest dynamically linked with $(LIBSO):"
 155         @echo ""
 156         LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest
 157         @echo ""
 158         @echo "   Running pngtest statically linked with libpng.a:"
 159         @echo ""
 160         ./pngtest-static
 161
 162 install-headers: png.h pngconf.h
 163         -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
 164         -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
 165         cp png.h pngconf.h $(DI)/$(LIBNAME)
 166         chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 167         -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
 168         -@$(RM_F) $(DI)/libpng
 169         (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
 170
 171 install-static: install-headers libpng.a
 172         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 173         cp libpng.a $(DL)/$(LIBNAME).a
 174         chmod 644 $(DL)/$(LIBNAME).a
 175         -@$(RM_F) $(DL)/libpng.a
 176         (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 177
 178 install-shared: install-headers $(LIBSOVER) libpng.pc \
 179         $(OLDSOVER)
 180         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 181         -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
 182         -@$(RM_F) $(DL)/$(LIBSOMAJ)
 183         -@$(RM_F) $(DL)/$(OLDSO)
 184         -@$(RM_F) $(DL)/$(OLDSOMAJ)
 185         -@$(RM_F) $(DL)/$(OLDSOVER)*
 186         cp $(LIBSOVER) $(DL)
 187         cp $(OLDSOVER) $(DL)
 188         chmod 755 $(DL)/$(LIBSOVER)
 189         chmod 755 $(DL)/$(OLDSOVER)
 190         (cd $(DL); \
 191         $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
 192         $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
 193         $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
 194         $(LN_SF) $(LIBSOMAJ) $(LIBSO))
 195         -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 196         -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 197         -@$(RM_F) $(DL)/pkgconfig/libpng.pc
 198         cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
 199         chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
 200         (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
 201
 202 install-man: libpng.3 libpngpf.3 png.5
 203         -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
 204         -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
 205         -@$(RM_F) $(DM)/man3/libpng.3
 206         -@$(RM_F) $(DM)/man3/libpngpf.3
 207         cp libpng.3 $(DM)/man3
 208         cp libpngpf.3 $(DM)/man3
 209         -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
 210         -@$(RM_F) $(DM)/man5/png.5
 211         cp png.5 $(DM)/man5
 212
 213 install-config: libpng-config
 214         -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
 215         -@$(RM_F) $(DB)/libpng-config
 216         -@$(RM_F) $(DB)/$(LIBNAME)-config
 217         cp libpng-config $(DB)/$(LIBNAME)-config
 218         chmod 755 $(DB)/$(LIBNAME)-config
 219         (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
 220
 221 install: install-static install-shared install-man install-config
 222
 223 # If you installed in $(DESTDIR), test-installed won't work until you
 224 # move the library to its final location.  Use test-dd to test it
 225 # before then.
 226
 227 test-dd:
 228         echo
 229         echo Testing installed dynamic shared library in $(DL).
 230         $(CC) -I$(DI) -I$(ZLIBINC) \
 231            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 232            -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
 233            -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
 234         ./pngtestd pngtest.png
 235
 236 test-installed:
 237         $(CC) -I$(ZLIBINC) \
 238            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 239            -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
 240            -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
 241         ./pngtesti pngtest.png
 242
 243 clean:
 244         $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
 245         $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
 246         $(OLDSOVER) \
 247         libpng.pc
 248
 249 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 250 writelock:
 251         chmod a-w *.[ch35] $(DOCS) scripts/*
 252
 253 # DO NOT DELETE THIS LINE -- make depend depends on it.
 254
 255 png.o png.pic.o: png.h pngconf.h
 256 pngerror.o pngerror.pic.o: png.h pngconf.h
 257 pngrio.o pngrio.pic.o: png.h pngconf.h
 258 pngwio.o pngwio.pic.o: png.h pngconf.h
 259 pngmem.o pngmem.pic.o: png.h pngconf.h
 260 pngset.o pngset.pic.o: png.h pngconf.h
 261 pngget.o pngget.pic.o: png.h pngconf.h
 262 pngread.o pngread.pic.o: png.h pngconf.h
 263 pngrtran.o pngrtran.pic.o: png.h pngconf.h
 264 pngrutil.o pngrutil.pic.o: png.h pngconf.h
 265 pngtrans.o pngtrans.pic.o: png.h pngconf.h
 266 pngwrite.o pngwrite.pic.o: png.h pngconf.h
 267 pngwtran.o pngwtran.pic.o: png.h pngconf.h
 268 pngwutil.o pngwutil.pic.o: png.h pngconf.h
 269 pngpread.o pngpread.pic.o: png.h pngconf.h
 270
 271 pngtest.o: png.h pngconf.h