# Makefile.am:

#   Source file for Makefile.in (and hence Makefile)

#

# Makefile.am need only be changed on a major version number

# change (e.g. libpng12 --> libpng13).  In that case seach

# this file for every instance of the old base name (libpng12)

# and change to the new one (libpng13), then change the

# -version-number settings below so that the new values have

# the correct major part (first field).

PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@

# libpng does not follow GNU file name conventions

AUTOMAKE_OPTIONS = foreign

# test programs - run on make check, make distcheck

check_PROGRAMS= pngtest

pngtest_SOURCES = pngtest.c

pngtest_LDADD = libpng12.la

TESTS = test-pngtest.sh

TESTS_ENVIRONMENT= srcdir=$(srcdir) 

# man pages

dist_man_MANS= libpng.3 libpngpf.3 png.5

# generate the -config scripts if required

binconfigs= libpng12-config 

EXTRA_SCRIPTS= libpng-config libpng12-config

bin_SCRIPTS= @binconfigs@

# rules to build libpng, only build the old library on request

lib_LTLIBRARIES=libpng12.la @compatlib@

EXTRA_LTLIBRARIES= libpng.la

libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \

	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \

	pngwtran.c pngmem.c pngerror.c pngpread.c \

	png.h pngconf.h

libpng_la_SOURCES = $(libpng12_la_SOURCES)

libpng_la_CPPFLAGS = @LIBPNG_DEFINES@

libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@

# MAJOR UPGRADE: the version-number settings below must be changed.

libpng12_la_LDFLAGS = -no-undefined -export-dynamic \

	-version-number 0:@PNGLIB_RELEASE@:0

# -rpath is needed as automake doesn't know the directory

libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \

	-version-number 3:@PNGLIB_RELEASE@:0

if HAVE_LD_VERSION_SCRIPT

  # Versioned symbols and restricted exports

  libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers

  libpng12_la_DEPENDENCIES = libpng.vers

else

  # Only restricted exports when possible

  libpng12_la_LDFLAGS += -export-symbols libpng.sym

  libpng12_la_DEPENDENCIES = libpng.sym

endif

libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES)

# Avoid depending upon Character Ranges.

AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'

#distribute headers in /usr/include/libpng/*

pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)

pkginclude_HEADERS= png.h pngconf.h

# pkg-config stuff, note that libpng.pc is always required in order

# to get the correct library

pkgconfigdir = @pkgconfigdir@

pkgconfig_DATA = libpng12.pc

#extra source distribution files.

EXTRA_DIST= \

	ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \

	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \

	${srcdir}/projects/cbuilder5/* \

	${srcdir}/projects/beos/* \

	${srcdir}/projects/visualc6/* \

	${srcdir}/projects/visualc71/* \

	${srcdir}/projects/wince.txt \

	${srcdir}/projects/netware.txt \

	${srcdir}/scripts/* \

	${srcdir}/contrib/gregbook/* \

	${srcdir}/contrib/pngminus/* \

	${srcdir}/contrib/pngsuite/* \

	${srcdir}/contrib/visupng/* \

	$(TESTS) \

	example.c libpng-1.2.32.txt pngvcrd.c 

CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \

libpng.sym

MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \

config.sub configure depcomp install-sh ltmain.sh missing

$(PNGLIB_BASENAME).pc: libpng.pc

	cp libpng.pc $@

$(PNGLIB_BASENAME)-config: libpng-config

	cp libpng-config $@

libpng.sym: png.h pngconf.h

	rm -f $@ $@.new

	$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \

		$(SED) -n -e \

		's|^.*PNG_FUNCTION_EXPORT[ 	]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \

		-e 's|^.*PNG_DATA_EXPORT[ 	]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \

			>$@.new

	mv $@.new $@

libpng.vers: libpng.sym

	rm -f $@ $@.new

	echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new

	$(SED) s/$$/\;/ libpng.sym >> $@.new

	echo 'local: *; };' >> $@.new

	mv $@.new $@

test: check

# install the .../include headers as links to the new ones

install-data-hook:

	cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h

	cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h

	cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h

	cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc

	cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc

# do evil things to libpng to cause libpng12 to be used

install-exec-hook:

	cd $(DESTDIR)$(bindir); rm -f libpng-config

	cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config

	@set -x;\

	cd $(DESTDIR)$(libdir);\

	for ext in a la so sl dylib; do\

		rm -f libpng.$$ext;\

                if test -f $(PNGLIB_BASENAME).$$ext; then\

                       $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\

                fi;\

	done

uninstall-hook:

	cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h

	rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc

	rm -f $(DESTDIR)$(bindir)/libpng-config

	@if test -n "@compatlib@"; then\

		set -x;\

		cd $(DESTDIR)$(libdir);\

		for ext in a la so sl dylib; do\

			rm -f libpng.$$ext;\

		done;\

	fi