src/png/scripts/makefile.elf

   1 # makefile for libpng.a and libpng16.so on Linux ELF with gcc
   2 # Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2011 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 #    * $(OLDSO).16 is a symlink rather than a different library
  14 #    * versioned symbols
  15
  16 # Library name:
  17 LIBNAME = libpng16
  18 PNGMAJ = 16
  19
  20 # Shared library names:
  21 LIBSO=$(LIBNAME).so
  22 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
  23 LIBSOREL=$(LIBSOMAJ).$(RELEASE)
  24 OLDSO=libpng.so
  25 OLDSOMAJ=libpng.so.16
  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 libpng16.a, libpng16.so*,
  36 # libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.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) # $(WARNMORE) -g -DPNG_DEBUG=5
  59
  60 LDFLAGS=-L. -lpng16
  61 LDFLAGS_A=libpng.a -lz -lm
  62 LIBADDFLAGS=-lz -lm
  63
  64
  65 INCPATH=$(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 # see scripts/pnglibconf.mak for more options
  99 pnglibconf.h: scripts/pnglibconf.h.prebuilt
 100         cp scripts/pnglibconf.h.prebuilt $@
 101
 102 libpng.a: $(OBJS)
 103         $(AR_RC) $@ $(OBJS)
 104         $(RANLIB) $@
 105
 106 libpng.pc:
 107         cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
 108         -e s!@exec_prefix@!$(exec_prefix)! \
 109         -e s!@libdir@!$(LIBPATH)! \
 110         -e s!@includedir@!$(INCPATH)! \
 111         -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
 112
 113 libpng.syms: png.h pngconf.h pnglibconf.h
 114         $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\
 115         awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG16_%s {global:\n",PNGMAJ)}\
 116         { for (i=1;i+2<=NF;++i)\
 117                 if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
 118                         print $$(i+1) ";";\
 119         for (i=1;i+1<=NF;++i)\
 120                 if ($$(i)=="PNG_DATA_EXPORT")\
 121                         print $$(i+1) ";";}\
 122         END{print "local: *; };"}' >$@.new
 123         $(RM_F) $@
 124         mv $@.new $@
 125
 126 libpng-config:
 127         ( cat scripts/libpng-config-head.in; \
 128         echo prefix=\"$(prefix)\"; \
 129         echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
 130         echo L_opts=\"\"; \
 131         echo R_opts=\"\"; \
 132         echo libs=\"-lpng16\"; \
 133         echo all_libs=\"-lpng16 $(LIBADDFLAGS)\"; \
 134         cat scripts/libpng-config-body.in ) > libpng-config
 135         chmod +x libpng-config
 136
 137 $(LIBSO): $(LIBSOMAJ)
 138         $(LN_SF) $(LIBSOMAJ) $(LIBSO)
 139
 140 $(LIBSOMAJ): $(OBJSDLL) libpng.syms
 141         $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
 142         -Wl,-version-script,libpng.syms \
 143         -o $(LIBSOMAJ) \
 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 pnglibconf.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 pnglibconf.h $(DI)/$(LIBNAME)
 166         chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
 167         -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
 168         -@$(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 $(LIBSOMAJ) libpng.pc
 179         -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 180         -@$(RM_F) $(DL)/$(LIBSO)
 181         -@$(RM_F) $(DL)/$(LIBSOREL)
 182         -@$(RM_F) $(DL)/$(OLDSO)
 183         cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
 184         chmod 755 $(DL)/$(LIBSOREL)
 185         (cd $(DL); \
 186         $(LN_SF) $(LIBSOREL) $(LIBSO); \
 187         $(LN_SF) $(LIBSO) $(OLDSO))
 188         -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 189         -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 190         -@$(RM_F) $(DL)/pkgconfig/libpng.pc
 191         cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
 192         chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
 193         (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
 194
 195 install-man: libpng.3 libpngpf.3 png.5
 196         -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
 197         -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
 198         -@$(RM_F) $(DM)/man3/libpng.3
 199         -@$(RM_F) $(DM)/man3/libpngpf.3
 200         cp libpng.3 $(DM)/man3
 201         cp libpngpf.3 $(DM)/man3
 202         -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
 203         -@$(RM_F) $(DM)/man5/png.5
 204         cp png.5 $(DM)/man5
 205
 206 install-config: libpng-config
 207         -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
 208         -@$(RM_F) $(DB)/libpng-config
 209         -@$(RM_F) $(DB)/$(LIBNAME)-config
 210         cp libpng-config $(DB)/$(LIBNAME)-config
 211         chmod 755 $(DB)/$(LIBNAME)-config
 212         (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
 213
 214 install: install-static install-shared install-man install-config
 215
 216 # If you installed in $(DESTDIR), test-installed won't work until you
 217 # move the library to its final location.  Use test-dd to test it
 218 # before then.
 219
 220 test-dd:
 221         echo
 222         echo Testing installed dynamic shared library in $(DL).
 223         $(CC) -I$(DI) -I$(ZLIBINC) \
 224            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 225            -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
 226            -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
 227         ./pngtestd pngtest.png
 228
 229 test-installed:
 230         $(CC) -I$(ZLIBINC) \
 231            `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
 232            -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
 233            -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
 234         ./pngtesti pngtest.png
 235
 236 clean:
 237         $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
 238         $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
 239         libpng.pc pnglibconf.h
 240
 241 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 242 writelock:
 243         chmod a-w *.[ch35] $(DOCS) scripts/*
 244
 245 # DO NOT DELETE THIS LINE -- make depend depends on it.
 246
 247 png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 248 pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 249 pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 250 pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 251 pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 252 pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 253 pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 254 pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 255 pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 256 pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 257 pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 258 pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 259 pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 260 pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 261 pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h             pnginfo.h pngdebug.h
 262
 263 pngtest.o: png.h pngconf.h pnglibconf.h