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, 2008 Greg Roelofs
   3 # and Glenn Randers-Pehrson
   4 # Copyright (C) 1996, 1997 Andreas Dilger
   5 # For conditions of distribution and use, see copyright notice in png.h
   6
   7 # Modified for Debian by Junichi Uekawa and Josselin Mouette
   8 # Major modifications are:
   9 #    * link libpng explicitly with libz and libm
  10 #    * $(OLDSO).3 is a symlink rather than a different library
  11 #    * versioned symbols
  12
  13 # Library name:
  14 LIBNAME = libpng12
  15 PNGMAJ = 0
  16 PNGMIN = 1.2.34
  17 PNGVER = $(PNGMAJ).$(PNGMIN)
  18
  19 # Shared library names:
  20 LIBSO=$(LIBNAME).so
  21 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
  22 LIBSOVER=$(LIBNAME).so.$(PNGVER)
  23 OLDSO=libpng.so
  24 OLDSOMAJ=libpng.so.3
  25 OLDSOVER=libpng.so.3.$(PNGMIN)
  26
  27 # Utilities:
  28 AR_RC=ar rc
  29 CC=gcc
  30 MKDIR_P=mkdir -p
  31 LN_SF=ln -sf
  32 RANLIB=ranlib
  33 RM_F=/bin/rm -f
  34
  35 # where "make install" puts libpng12.a, libpng12.so*,
  36 # libpng12/png.h and libpng12/pngconf.h
  37 # Prefix must be a full pathname.
  38 prefix=/usr/local
  39 exec_prefix=$(prefix)
  40
  41 # Where the zlib library and include files are located.
  42 ZLIBLIB=/usr/local/lib
  43 ZLIBINC=/usr/local/include
  44 # ZLIBLIB=../zlib
  45 # ZLIBINC=../zlib
  46
  47 ALIGN=
  48 # for i386:
  49 #ALIGN=-malign-loops=2 -malign-functions=2
  50
  51 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
  52         -Wmissing-declarations -Wtraditional -Wcast-align \
  53         -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
  54
  55 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
  56
  57 CFLAGS=-W -Wall -D_REENTRANT -O2 \
  58         $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
  59
  60 LDFLAGS=-L. -lpng12
  61 LDFLAGS_A=libpng.a -lz -lm
  62 LIBADDFLAGS=-lz -lm
  63
  64
  65 INCPATH=$(prefix)/include
  66 LIBPATH=$(exec_prefix)/lib
  67 MANPATH=$(prefix)/man
  68 BINPATH=$(exec_prefix)/bin
  69
  70 # override DESTDIR= on the make install command line to easily support
  71 # installing into a temporary location.  Example:
  72 #
  73 #    make install DESTDIR=/tmp/build/libpng
  74 #
  75 # If you're going to install into a temporary location
  76 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
  77 # you execute make install.
  78 DESTDIR=
  79
  80 DB=$(DESTDIR)$(BINPATH)
  81 DI=$(DESTDIR)$(INCPATH)
  82 DL=$(DESTDIR)$(LIBPATH)
  83 DM=$(DESTDIR)$(MANPATH)
  84
  85 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
  86         pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
  87         pngwtran.o pngmem.o pngerror.o pngpread.o
  88
  89 OBJSDLL = $(OBJS:.o=.pic.o)
  90
  91 .SUFFIXES:      .c .o .pic.o
  92
  93 .c.pic.o:
  94         $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
  95
  96 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
  97
  98 libpng.a: $(OBJS)
  99         $(AR_RC) $@ $(OBJS)
 100         $(RANLIB) $@
 101
 102 libpng.pc:
 103         cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
 104         -e s!@exec_prefix@!$(exec_prefix)! \
 105         -e s!@libdir@!$(LIBPATH)! \
 106         -e s!@includedir@!$(INCPATH)! \
 107         -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
 108
 109 libpng.syms: png.h pngconf.h
 110         $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\
 111         awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\
 112         { for (i=1;i+2<=NF;++i)\
 113                 if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
 114                         print $$(i+1) ";";\
 115         for (i=1;i+1<=NF;++i)\
 116                 if ($$(i)=="PNG_DATA_EXPORT")\
 117                         print $$(i+1) ";";}\
 118         END{print "local: *; };"}' >$@.new
 119         $(RM_F) $@
 120         mv $@.new $@
 121
 122 libpng-config:
 123         ( cat scripts/libpng-config-head.in; \
 124         echo prefix=\"$(prefix)\"; \
 125         echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
 126         echo L_opts=\"\"; \
 127         echo R_opts=\"\"; \
 128         echo libs=\"-lpng12\"; \
 129         echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \
 130         cat scripts/libpng-config-body.in ) > libpng-config
 131         chmod +x libpng-config
 132
 133 $(LIBSO): $(LIBSOMAJ)
 134         $(LN_SF) $(LIBSOMAJ) $(LIBSO)
 135
 136 $(LIBSOMAJ): $(LIBSOVER)
 137         $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
 138
 139 $(LIBSOVER): $(OBJSDLL) libpng.syms
 140         $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
 141         -Wl,-version-script,libpng.syms \
 142         -o $(LIBSOVER) \
 143         $(OBJSDLL)
 144
 145 $(OLDSOVER): $(OBJSDLL) libpng.syms
 146         $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
 147         -Wl,-version-script,libpng.syms \
 148         -o $(OLDSOVER) \
 149         $(OBJSDLL)
 150
 151 pngtest: pngtest.o $(LIBSO)
 152         $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 153
 154 pngtest-static: pngtest.o libpng.a
 155         $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
 156
 157 test: pngtest pngtest-static
 158         @echo ""
 159         @echo "   Running pngtest dynamically linked with $(LIBSO):"
 160         @echo ""
 161         LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest
 162         @echo ""
 163         @echo "   Running pngtest statically linked with libpng.a:"
 164         @echo ""
 165         ./pngtest-static
 166
 167 install-headers: png.h pngconf.h
 168         -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
 169         -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
 170         cp png.h pngconf.h $(DI)/$(LIBNAME)
 171         chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 172         -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
 173         -@$(RM_F) $(DI)/libpng
 174         (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
 175
 176 install-static: install-headers libpng.a
 177         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 178         cp libpng.a $(DL)/$(LIBNAME).a
 179         chmod 644 $(DL)/$(LIBNAME).a
 180         -@$(RM_F) $(DL)/libpng.a
 181         (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 182
 183 install-shared: install-headers $(LIBSOVER) libpng.pc \
 184         $(OLDSOVER)
 185         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 186         -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
 187         -@$(RM_F) $(DL)/$(LIBSOMAJ)
 188         -@$(RM_F) $(DL)/$(OLDSO)
 189         -@$(RM_F) $(DL)/$(OLDSOMAJ)
 190         -@$(RM_F) $(DL)/$(OLDSOVER)*
 191         cp $(LIBSOVER) $(DL)
 192         cp $(OLDSOVER) $(DL)
 193         chmod 755 $(DL)/$(LIBSOVER)
 194         chmod 755 $(DL)/$(OLDSOVER)
 195         (cd $(DL); \
 196         $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
 197         $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
 198         $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
 199         $(LN_SF) $(LIBSOMAJ) $(LIBSO))
 200         -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 201         -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 202         -@$(RM_F) $(DL)/pkgconfig/libpng.pc
 203         cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
 204         chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
 205         (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
 206
 207 install-man: libpng.3 libpngpf.3 png.5
 208         -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
 209         -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
 210         -@$(RM_F) $(DM)/man3/libpng.3
 211         -@$(RM_F) $(DM)/man3/libpngpf.3
 212         cp libpng.3 $(DM)/man3
 213         cp libpngpf.3 $(DM)/man3
 214         -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
 215         -@$(RM_F) $(DM)/man5/png.5
 216         cp png.5 $(DM)/man5
 217
 218 install-config: libpng-config
 219         -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
 220         -@$(RM_F) $(DB)/libpng-config
 221         -@$(RM_F) $(DB)/$(LIBNAME)-config
 222         cp libpng-config $(DB)/$(LIBNAME)-config
 223         chmod 755 $(DB)/$(LIBNAME)-config
 224         (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
 225
 226 install: install-static install-shared install-man install-config
 227
 228 # If you installed in $(DESTDIR), test-installed won't work until you
 229 # move the library to its final location.  Use test-dd to test it
 230 # before then.
 231
 232 test-dd:
 233         echo
 234         echo Testing installed dynamic shared library in $(DL).
 235         $(CC) -I$(DI) -I$(ZLIBINC) \
 236            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 237            -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
 238            -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
 239         ./pngtestd pngtest.png
 240
 241 test-installed:
 242         $(CC) -I$(ZLIBINC) \
 243            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 244            -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
 245            -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
 246         ./pngtesti pngtest.png
 247
 248 clean:
 249         $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
 250         $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
 251         $(OLDSOVER) \
 252         libpng.pc
 253
 254 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 255 writelock:
 256         chmod a-w *.[ch35] $(DOCS) scripts/*
 257
 258 # DO NOT DELETE THIS LINE -- make depend depends on it.
 259
 260 png.o png.pic.o: png.h pngconf.h
 261 pngerror.o pngerror.pic.o: png.h pngconf.h
 262 pngrio.o pngrio.pic.o: png.h pngconf.h
 263 pngwio.o pngwio.pic.o: png.h pngconf.h
 264 pngmem.o pngmem.pic.o: png.h pngconf.h
 265 pngset.o pngset.pic.o: png.h pngconf.h
 266 pngget.o pngget.pic.o: png.h pngconf.h
 267 pngread.o pngread.pic.o: png.h pngconf.h
 268 pngrtran.o pngrtran.pic.o: png.h pngconf.h
 269 pngrutil.o pngrutil.pic.o: png.h pngconf.h
 270 pngtrans.o pngtrans.pic.o: png.h pngconf.h
 271 pngwrite.o pngwrite.pic.o: png.h pngconf.h
 272 pngwtran.o pngwtran.pic.o: png.h pngconf.h
 273 pngwutil.o pngwutil.pic.o: png.h pngconf.h
 274 pngpread.o pngpread.pic.o: png.h pngconf.h
 275
 276 pngtest.o: png.h pngconf.h