src/png/scripts/makefile.elf

   1 # makefile for libpng.a and libpng14.so on Linux ELF with gcc
   2 # Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010 Greg Roelofs
   3 # and Glenn Randers-Pehrson
   4 # Copyright (C) 1996, 1997 Andreas Dilger
   5 #
   6 # This code is released under the libpng license.
   7 # For conditions of distribution and use, see the disclaimer
   8 # and license in png.h
   9
  10 # Modified for Debian by Junichi Uekawa and Josselin Mouette
  11 # Major modifications are:
  12 #    * link libpng explicitly with libz and libm
  13 #    * $(OLDSO).14 is a symlink rather than a different library
  14 #    * versioned symbols
  15
  16 # Library name:
  17 LIBNAME = libpng14
  18 PNGMAJ = 14
  19
  20 # Shared library names:
  21 LIBSO=$(LIBNAME).so
  22 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
  23 LIBSOREL=$(LIBSOMAJ).$(RELEASE)
  24 OLDSO=libpng.so
  25 OLDSOMAJ=libpng.so.14
  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 libpng14.a, libpng14.so*,
  36 # libpng14/png.h and libpng14/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) # $(WARNMORE) -g -DPNG_DEBUG=5
  59
  60 LDFLAGS=-L. -lpng14
  61 LDFLAGS_A=libpng.a -lz -lm
  62 LIBADDFLAGS=-lz -lm
  63
  64
  65 INCPATH=$(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!-lpng14!-lpng14\ -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("PNG14_%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=\"-lpng14\"; \
 129         echo all_libs=\"-lpng14 $(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): $(OBJSDLL) libpng.syms
 137         $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
 138         -Wl,-version-script,libpng.syms \
 139         -o $(LIBSOMAJ) \
 140         $(OBJSDLL)
 141
 142 pngtest: pngtest.o $(LIBSO)
 143         $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 144
 145 pngtest-static: pngtest.o libpng.a
 146         $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
 147
 148 test: pngtest pngtest-static
 149         @echo ""
 150         @echo "   Running pngtest dynamically linked with $(LIBSO):"
 151         @echo ""
 152         LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest
 153         @echo ""
 154         @echo "   Running pngtest statically linked with libpng.a:"
 155         @echo ""
 156         ./pngtest-static
 157
 158 install-headers: png.h pngconf.h
 159         -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
 160         -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
 161         cp png.h pngconf.h $(DI)/$(LIBNAME)
 162         chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 163         -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
 164         -@$(RM_F) $(DI)/libpng
 165         (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
 166
 167 install-static: install-headers libpng.a
 168         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 169         cp libpng.a $(DL)/$(LIBNAME).a
 170         chmod 644 $(DL)/$(LIBNAME).a
 171         -@$(RM_F) $(DL)/libpng.a
 172         (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
 173
 174 install-shared: install-headers $(LIBSOMAJ) libpng.pc
 175         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 176         -@$(RM_F) $(DL)/$(LIBSO)
 177         -@$(RM_F) $(DL)/$(LIBSOREL)
 178         -@$(RM_F) $(DL)/$(OLDSO)
 179         cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
 180         chmod 755 $(DL)/$(LIBSOREL)
 181         (cd $(DL); \
 182         $(LN_SF) $(LIBSOREL) $(LIBSO); \
 183         $(LN_SF) $(LIBSO) $(OLDSO))
 184         -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 185         -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 186         -@$(RM_F) $(DL)/pkgconfig/libpng.pc
 187         cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
 188         chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
 189         (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
 190
 191 install-man: libpng.3 libpngpf.3 png.5
 192         -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
 193         -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
 194         -@$(RM_F) $(DM)/man3/libpng.3
 195         -@$(RM_F) $(DM)/man3/libpngpf.3
 196         cp libpng.3 $(DM)/man3
 197         cp libpngpf.3 $(DM)/man3
 198         -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
 199         -@$(RM_F) $(DM)/man5/png.5
 200         cp png.5 $(DM)/man5
 201
 202 install-config: libpng-config
 203         -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
 204         -@$(RM_F) $(DB)/libpng-config
 205         -@$(RM_F) $(DB)/$(LIBNAME)-config
 206         cp libpng-config $(DB)/$(LIBNAME)-config
 207         chmod 755 $(DB)/$(LIBNAME)-config
 208         (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
 209
 210 install: install-static install-shared install-man install-config
 211
 212 # If you installed in $(DESTDIR), test-installed won't work until you
 213 # move the library to its final location.  Use test-dd to test it
 214 # before then.
 215
 216 test-dd:
 217         echo
 218         echo Testing installed dynamic shared library in $(DL).
 219         $(CC) -I$(DI) -I$(ZLIBINC) \
 220            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 221            -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
 222            -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
 223         ./pngtestd pngtest.png
 224
 225 test-installed:
 226         $(CC) -I$(ZLIBINC) \
 227            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 228            -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
 229            -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
 230         ./pngtesti pngtest.png
 231
 232 clean:
 233         $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
 234         $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
 235         libpng.pc
 236
 237 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 238 writelock:
 239         chmod a-w *.[ch35] $(DOCS) scripts/*
 240
 241 # DO NOT DELETE THIS LINE -- make depend depends on it.
 242
 243 png.o png.pic.o: png.h pngconf.h pngpriv.h
 244 pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
 245 pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
 246 pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
 247 pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
 248 pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
 249 pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
 250 pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
 251 pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
 252 pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
 253 pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
 254 pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
 255 pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
 256 pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
 257 pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
 258
 259 pngtest.o: png.h pngconf.h