Makefile.am - platform/external/libpng - Gitiles

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

 PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@

 ACLOCAL_AMFLAGS = -I scripts

 # test programs - run on make check, make distcheck
 TESTS_ENVIRONMENT= srcdir=$(srcdir)
 check_PROGRAMS= pngtest
 pngtest_SOURCES = pngtest.c
 pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 TESTS = test-pngtest.sh

 # Only do the following if the contrib directory is present.
 check_PROGRAMS+= pngvalid pngstest pngunknown
 pngvalid_SOURCES = contrib/libtests/pngvalid.c
 pngstest_SOURCES = contrib/libtests/pngstest.c
 pngunknown_SOURCES = contrib/libtests/pngunknown.c
 pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 TESTS += contrib/libtests/test-pngunknown.sh\
 	 contrib/libtests/test-pngvalid-simple.sh\
 	 contrib/libtests/test-pngvalid-full.sh\
 	 contrib/libtests/test-pngstest.sh

 # man pages
 dist_man_MANS= libpng.3 libpngpf.3 png.5

 # generate the -config scripts if required
 binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
 EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
 bin_SCRIPTS= @binconfigs@

 # rules to build libpng, only build the old library on request
 lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
 # EXTRA_LTLIBRARIES= libpng.la
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
 	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
 	pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
 	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa

 if PNG_ARM_NEON
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
 	arm/filter_neon.S
 endif

 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h

 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
 	-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0

 if HAVE_LD_VERSION_SCRIPT
 #   Versioned symbols and restricted exports
 if HAVE_SOLARIS_LD
   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
 else
   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
 endif

   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
 else
 #   Only restricted exports when possible
   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
 endif

 #distribute headers in /usr/include/libpng/*
 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
 pkginclude_HEADERS= png.h pngconf.h
 nodist_pkginclude_HEADERS= pnglibconf.h

 # pkg-config stuff, note that libpng.pc is always required in order
 # to get the correct library
 pkgconfigdir = @pkgconfigdir@
 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc

 #extra source distribution files.
 EXTRA_DIST= \
 	ANNOUNCE CHANGES INSTALL LICENSE README TODO \
 	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
 	${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
 	$(TESTS) \
 	CMakeLists.txt example.c libpng-manual.txt

 SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk scripts/pnglibconf.dfn

 CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
 	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
 	check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \
 	$(SCRIPT_CLEANFILES)

 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
 config.sub configure depcomp install-sh ltmain.sh missing

 # PNG_COPTS give extra options for the C compiler to be used on all compilation
 # steps (unless targe_CFLAGS is specified; that will take precedence over
 # AM_CFLAGS)
 PNG_COPTS = @PNG_COPTS@
 AM_CFLAGS = ${PNG_COPTS}

 # DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
 # other operating systems (NeXT?) the C preprocessor selected by configure
 # checks input tokens for validity - effectively it performs part of the ANSI-C
 # parsing - and therefore fails with the .df files.  configure.ac has special
 # checks for this and sets DFNCPP appropriately.
 DFNCPP = @DFNCPP@

 SUFFIXES = .chk .dfn .out

 $(PNGLIB_BASENAME).pc: libpng.pc
 	cp libpng.pc $@

 $(PNGLIB_BASENAME)-config: libpng-config
 	cp libpng-config $@

 scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
 scripts/prefix.out: png.h pngconf.h pnglibconf.out
 scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt

 libpng.sym: scripts/sym.out
 	rm -f $@
 	cp $? $@
 libpng.vers: scripts/vers.out
 	rm -f $@
 	cp $? $@

 if DO_PNG_PREFIX
 # Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
 # Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
 # implementation of the macro).
 pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
 	rm -f $@
 	$(AWK) 's==0 && NR>1{print prev}\
 	   s==0{prev=$$0}\
 	   s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
 	   s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
 	   END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
 	   s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
 	mv pnglibconf.tf8 $@

 pngprefix.h: scripts/intprefix.out
 	rm -f pngprefix.tf1
 	$(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
 	mv pngprefix.tf1 $@
 else
 pnglibconf.h: pnglibconf.out
 	rm -f $@
 	cp $? $@

 pngprefix.h: # is empty
 	:>$@
 endif

 $(srcdir)/scripts/pnglibconf.h.prebuilt:
 	@echo "Attempting to build $@" >&2
 	@echo "This is a machine generated file, but if you want to make" >&2
 	@echo "a new one simply make 'scripts/pnglibconf.out' and copy that" >&2
 	@exit 1

 # The following is necessary to ensure that the local pnglibconf.h is used, not
 # an installed one (this can happen immediately after on a clean system if
 # 'make test' is the first thing the user does.)
 contrib/libtests/pngstest.o contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
 contrib/libtests/pngunknown.o: pnglibconf.h

 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
 # be built with PNG_USE_READ_MACROS; this prevents the read macros from
 # interfering with the symbol file format.
 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
 		-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
 		-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
 		-DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE

 if DO_PNG_PREFIX
 SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
 endif

 .dfn.out:
 	rm -f $@ $*.c $*.tf[123]
 	test -d scripts || mkdir scripts
 	echo '#include "$<"' >$*.c
 	$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
 	    $(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1
 	$(SED) -n -e 's|^.*PNG_DEFN_MAGIC *-\(.*\)- *PNG_DEFN_END.*$$|\1|p'\
 	    $*.tf1 >$*.tf2
 	$(SED) -e 's| *PNG_JOIN *||g' -e 's| *$$||' $*.tf2 >$*.tf3
 	rm -f $*.c $*.tf[12]
 	mv $*.tf3 $@

 # The .dfn file for pnglibconf.h is machine generated
 pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
 	rm -f $@ $*.tf[45]
 	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
 	    ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
 	    ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
 	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
 	rm $*.tf4
 	mv $*.tf5 $@

 # Symbol checks (.def and .out files should match)
 scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out

 .out.chk:
 	rm -f $@ $*.new
 	$(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
 	    of="$*.new" $< >&2
 	mv $*.new $@

 # used on demand to regenerate the standard header, CPPFLAGS should
 # be empty - no non-standard defines
 scripts/pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
 	rm -f $@ pnglibconf.tf[67]
 	test -z "$(CPPFLAGS)"
 	echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
 	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
 	    logunsupported=1 version=search ${srcdir}/pngconf.h -\
 	    ${srcdir}/scripts/pnglibconf.dfa 1>&2
 	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
 	    pnglibconf.tf6 1>&2
 	rm pnglibconf.tf6
 	mv pnglibconf.tf7 $@

 $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
 	pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h

 test: check-am

 # Extra checks
 check: scripts/symbols.chk

 # Don't distribute the generated script files
 dist-hook:
 	cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)

 # install the .../include headers as links to the new ones
 install-data-hook:
 	cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.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)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pnglibconf.h \
 		pnglibconf.h
 	cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc
 	cd '$(DESTDIR)$(pkgconfigdir)'; $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc

 # do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ 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 so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@\
 	   sl dylib dll.a; 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 pnglibconf.h
 	rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
 	rm -f '$(DESTDIR)$(bindir)/libpng-config'
 	rm -f '$(DESTDIR)$(libdir)/libpng.a'
 	rm -f '$(DESTDIR)$(libdir)/libpng.la'
 	rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'
	# Makefile.am:
	# Source file for Makefile.in (and hence Makefile)
	#

	PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@

	ACLOCAL_AMFLAGS = -I scripts

	# test programs - run on make check, make distcheck
	TESTS_ENVIRONMENT= srcdir=$(srcdir)
	check_PROGRAMS= pngtest
	pngtest_SOURCES = pngtest.c
	pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	TESTS = test-pngtest.sh

	# Only do the following if the contrib directory is present.
	check_PROGRAMS+= pngvalid pngstest pngunknown
	pngvalid_SOURCES = contrib/libtests/pngvalid.c
	pngstest_SOURCES = contrib/libtests/pngstest.c
	pngunknown_SOURCES = contrib/libtests/pngunknown.c
	pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	TESTS += contrib/libtests/test-pngunknown.sh\
	contrib/libtests/test-pngvalid-simple.sh\
	contrib/libtests/test-pngvalid-full.sh\
	contrib/libtests/test-pngstest.sh

	# man pages
	dist_man_MANS= libpng.3 libpngpf.3 png.5

	# generate the -config scripts if required
	binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
	EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
	bin_SCRIPTS= @binconfigs@

	# rules to build libpng, only build the old library on request
	lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	# EXTRA_LTLIBRARIES= libpng.la
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
	pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa

	if PNG_ARM_NEON
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
	arm/filter_neon.S
	endif

	nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h

	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
	-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0

	if HAVE_LD_VERSION_SCRIPT
	# Versioned symbols and restricted exports
	if HAVE_SOLARIS_LD
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
	else
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
	endif

	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
	else
	# Only restricted exports when possible
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
	endif

	#distribute headers in /usr/include/libpng/*
	pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
	pkginclude_HEADERS= png.h pngconf.h
	nodist_pkginclude_HEADERS= pnglibconf.h

	# pkg-config stuff, note that libpng.pc is always required in order
	# to get the correct library
	pkgconfigdir = @pkgconfigdir@
	pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc

	#extra source distribution files.
	EXTRA_DIST= \
	ANNOUNCE CHANGES INSTALL LICENSE README TODO \
	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
	${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
	$(TESTS) \
	CMakeLists.txt example.c libpng-manual.txt

	SCRIPT_CLEANFILES=scripts/.out scripts/.chk scripts/pnglibconf.dfn

	CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
	check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \
	$(SCRIPT_CLEANFILES)

	MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
	config.sub configure depcomp install-sh ltmain.sh missing

	# PNG_COPTS give extra options for the C compiler to be used on all compilation
	# steps (unless targe_CFLAGS is specified; that will take precedence over
	# AM_CFLAGS)
	PNG_COPTS = @PNG_COPTS@
	AM_CFLAGS = ${PNG_COPTS}

	# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
	# other operating systems (NeXT?) the C preprocessor selected by configure
	# checks input tokens for validity - effectively it performs part of the ANSI-C
	# parsing - and therefore fails with the .df files. configure.ac has special
	# checks for this and sets DFNCPP appropriately.
	DFNCPP = @DFNCPP@

	SUFFIXES = .chk .dfn .out

	$(PNGLIB_BASENAME).pc: libpng.pc
	cp libpng.pc $@

	$(PNGLIB_BASENAME)-config: libpng-config
	cp libpng-config $@

	scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
	scripts/prefix.out: png.h pngconf.h pnglibconf.out
	scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt

	libpng.sym: scripts/sym.out
	rm -f $@
	cp $? $@
	libpng.vers: scripts/vers.out
	rm -f $@
	cp $? $@

	if DO_PNG_PREFIX
	# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
	# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
	# implementation of the macro).
	pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
	rm -f $@
	$(AWK) 's==0 && NR>1{print prev}\
	s==0{prev=$$0}\
	s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
	s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
	END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
	s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
	mv pnglibconf.tf8 $@

	pngprefix.h: scripts/intprefix.out
	rm -f pngprefix.tf1
	$(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
	mv pngprefix.tf1 $@
	else
	pnglibconf.h: pnglibconf.out
	rm -f $@
	cp $? $@

	pngprefix.h: # is empty
	:>$@
	endif

	$(srcdir)/scripts/pnglibconf.h.prebuilt:
	@echo "Attempting to build $@" >&2
	@echo "This is a machine generated file, but if you want to make" >&2
	@echo "a new one simply make 'scripts/pnglibconf.out' and copy that" >&2
	@exit 1

	# The following is necessary to ensure that the local pnglibconf.h is used, not
	# an installed one (this can happen immediately after on a clean system if
	# 'make test' is the first thing the user does.)
	contrib/libtests/pngstest.o contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
	contrib/libtests/pngunknown.o: pnglibconf.h

	# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
	# be built with PNG_USE_READ_MACROS; this prevents the read macros from
	# interfering with the symbol file format.
	SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
	-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
	-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
	-DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE

	if DO_PNG_PREFIX
	SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
	endif

	.dfn.out:
	rm -f $@ $.c $.tf[123]
	test -d scripts \|\| mkdir scripts
	echo '#include "$<"' >$*.c
	$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
	$(CPPFLAGS) $(SYMBOL_CFLAGS) $.c > $.tf1
	$(SED) -n -e 's\|^.PNG_DEFN_MAGIC -\(.\)- PNG_DEFN_END.*$$\|\1\|p'\
	$.tf1 >$.tf2
	$(SED) -e 's\| PNG_JOIN \|\|g' -e 's\| $$\|\|' $.tf2 >$*.tf3
	rm -f $.c $.tf[12]
	mv $*.tf3 $@

	# The .dfn file for pnglibconf.h is machine generated
	pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
	rm -f $@ $*.tf[45]
	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
	${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
	${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
	$(AWK) -f ${srcdir}/scripts/options.awk out=$.tf5 $.tf4 1>&2
	rm $*.tf4
	mv $*.tf5 $@

	# Symbol checks (.def and .out files should match)
	scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out

	.out.chk:
	rm -f $@ $*.new
	$(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
	of="$*.new" $< >&2
	mv $*.new $@

	# used on demand to regenerate the standard header, CPPFLAGS should
	# be empty - no non-standard defines
	scripts/pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
	rm -f $@ pnglibconf.tf[67]
	test -z "$(CPPFLAGS)"
	echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" \|\
	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
	logunsupported=1 version=search ${srcdir}/pngconf.h -\
	${srcdir}/scripts/pnglibconf.dfa 1>&2
	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
	pnglibconf.tf6 1>&2
	rm pnglibconf.tf6
	mv pnglibconf.tf7 $@

	$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
	pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h

	test: check-am

	# Extra checks
	check: scripts/symbols.chk

	# Don't distribute the generated script files
	dist-hook:
	cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)

	# install the .../include headers as links to the new ones
	install-data-hook:
	cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.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)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pnglibconf.h \
	pnglibconf.h
	cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc
	cd '$(DESTDIR)$(pkgconfigdir)'; $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc

	# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ 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 so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@\
	sl dylib dll.a; 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 pnglibconf.h
	rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
	rm -f '$(DESTDIR)$(bindir)/libpng-config'
	rm -f '$(DESTDIR)$(libdir)/libpng.a'
	rm -f '$(DESTDIR)$(libdir)/libpng.la'
	rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'