src/png/Makefile.am

   1 # Makefile.am:
   2 #   Source file for Makefile.in (and hence Makefile)
   3 #
   4 # Makefile.am need only be changed on a major version number
   5 # change (e.g. libpng12 --> libpng13).  In that case seach
   6 # this file for every instance of the old base name (libpng12)
   7 # and change to the new one (libpng13), then change the
   8 # -version-number settings below so that the new values have
   9 # the correct major part (first field).
  10
  11 PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
  12
  13 # libpng does not follow GNU file name conventions
  14 AUTOMAKE_OPTIONS = foreign
  15
  16 # test programs - run on make check, make distcheck
  17 check_PROGRAMS= pngtest
  18 pngtest_SOURCES = pngtest.c
  19 pngtest_LDADD = libpng12.la
  20 TESTS = test-pngtest.sh
  21 TESTS_ENVIRONMENT= srcdir=$(srcdir)
  22
  23 # man pages
  24 dist_man_MANS= libpng.3 libpngpf.3 png.5
  25
  26 # generate the -config scripts if required
  27 binconfigs= libpng12-config
  28 EXTRA_SCRIPTS= libpng-config libpng12-config
  29 bin_SCRIPTS= @binconfigs@
  30
  31 # rules to build libpng, only build the old library on request
  32 lib_LTLIBRARIES=libpng12.la @compatlib@
  33 EXTRA_LTLIBRARIES= libpng.la
  34 libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
  35         pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
  36         pngwtran.c pngmem.c pngerror.c pngpread.c \
  37         png.h pngconf.h
  38 libpng_la_SOURCES = $(libpng12_la_SOURCES)
  39
  40 libpng_la_CPPFLAGS = @LIBPNG_DEFINES@
  41 libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@
  42
  43 # MAJOR UPGRADE: the version-number settings below must be changed.
  44 libpng12_la_LDFLAGS = -no-undefined -export-dynamic \
  45         -version-number 0:@PNGLIB_RELEASE@:0
  46 # -rpath is needed as automake doesn't know the directory
  47 libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \
  48         -version-number 3:@PNGLIB_RELEASE@:0
  49
  50 if HAVE_LD_VERSION_SCRIPT
  51   # Versioned symbols and restricted exports
  52   libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers
  53   libpng12_la_DEPENDENCIES = libpng.vers
  54 else
  55   # Only restricted exports when possible
  56   libpng12_la_LDFLAGS += -export-symbols libpng.sym
  57   libpng12_la_DEPENDENCIES = libpng.sym
  58 endif
  59 libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES)
  60
  61 # Avoid depending upon Character Ranges.
  62 AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
  63
  64 #distribute headers in /usr/include/libpng/*
  65 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
  66 pkginclude_HEADERS= png.h pngconf.h
  67
  68 # pkg-config stuff, note that libpng.pc is always required in order
  69 # to get the correct library
  70 pkgconfigdir = @pkgconfigdir@
  71 pkgconfig_DATA = libpng12.pc
  72
  73 #extra source distribution files.
  74 EXTRA_DIST= \
  75         ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
  76         pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
  77         ${srcdir}/projects/cbuilder5/* \
  78         ${srcdir}/projects/beos/* \
  79         ${srcdir}/projects/visualc6/* \
  80         ${srcdir}/projects/visualc71/* \
  81         ${srcdir}/projects/wince.txt \
  82         ${srcdir}/projects/netware.txt \
  83         ${srcdir}/scripts/* \
  84         ${srcdir}/contrib/gregbook/* \
  85         ${srcdir}/contrib/pngminus/* \
  86         ${srcdir}/contrib/pngsuite/* \
  87         ${srcdir}/contrib/visupng/* \
  88         $(TESTS) \
  89         example.c libpng-1.2.34.txt pngvcrd.c
  90
  91 CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
  92 libpng.sym
  93
  94 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
  95 config.sub configure depcomp install-sh ltmain.sh missing
  96
  97 $(PNGLIB_BASENAME).pc: libpng.pc
  98         cp libpng.pc $@
  99
 100 $(PNGLIB_BASENAME)-config: libpng-config
 101         cp libpng-config $@
 102
 103 libpng.sym: png.h pngconf.h
 104         rm -f $@ $@.new
 105         $(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
 106                 $(SED) -n -e \
 107                 's|^.*PNG_FUNCTION_EXPORT[      ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
 108                 -e 's|^.*PNG_DATA_EXPORT[       ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
 109                         >$@.new
 110         mv $@.new $@
 111
 112 libpng.vers: libpng.sym
 113         rm -f $@ $@.new
 114         echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new
 115         $(SED) s/$$/\;/ libpng.sym >> $@.new
 116         echo 'local: *; };' >> $@.new
 117         mv $@.new $@
 118
 119 test: check
 120
 121 # install the .../include headers as links to the new ones
 122 install-data-hook:
 123         cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
 124         cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
 125         cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h
 126         cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
 127         cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
 128
 129 # do evil things to libpng to cause libpng12 to be used
 130 install-exec-hook:
 131         cd $(DESTDIR)$(bindir); rm -f libpng-config
 132         cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
 133         @set -x;\
 134         cd $(DESTDIR)$(libdir);\
 135         for ext in a la so sl dylib; do\
 136                 rm -f libpng.$$ext;\
 137                 if test -f $(PNGLIB_BASENAME).$$ext; then\
 138                        $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
 139                 fi;\
 140         done
 141
 142 uninstall-hook:
 143         cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
 144         rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc
 145         rm -f $(DESTDIR)$(bindir)/libpng-config
 146         @if test -n "@compatlib@"; then\
 147                 set -x;\
 148                 cd $(DESTDIR)$(libdir);\
 149                 for ext in a la so sl dylib; do\
 150                         rm -f libpng.$$ext;\
 151                 done;\
 152         fi