src/png/Makefile.am

# 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
check_PROGRAMS= pngtest pngunknown pngstest pngvalid

pngtest_SOURCES = pngtest.c
pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la

pngvalid_SOURCES = contrib/libtests/pngvalid.c
pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la

pngstest_SOURCES = contrib/libtests/pngstest.c
pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la

pngunknown_SOURCES = contrib/libtests/pngunknown.c
pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la

# Generally these are single line shell scripts to run a test with a particular
# set of parameters:
TESTS =\
   tests/pngtest\
   tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
   tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
   tests/pngvalid-gamma-expand16-background\
   tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
   tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
   tests/pngvalid-progressive-interlace-size\
   tests/pngvalid-progressive-interlace-standard\
   tests/pngvalid-progressive-interlace-transform\
   tests/pngvalid-progressive-standard tests/pngvalid-standard\
   tests/pngstest-0g01 tests/pngstest-0g02 tests/pngstest-0g04\
   tests/pngstest-0g08 tests/pngstest-0g16 tests/pngstest-2c08\
   tests/pngstest-2c16 tests/pngstest-3p01 tests/pngstest-3p02\
   tests/pngstest-3p04 tests/pngstest-3p08 tests/pngstest-4a08\
   tests/pngstest-4a16 tests/pngstest-6a08 tests/pngstest-6a16\
   tests/pngstest-error tests/pngunknown-IDAT\
   tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
   tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg

# These tests are expected, and required, to fail:
XFAIL_TESTS = tests/pngstest-error

# 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, '${srcdir}' is used below to stop build files
# from those directories being included.  This only works if the configure is
# not done in the source directory!
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) $(XFAIL_TESTS) tests/pngstest \
	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
scripts/intprefix.out: pnglibconf.h

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 $*.tf[12]
	test -d scripts || mkdir scripts || test -d scripts
	echo '#include "$<"' >$*.c
	$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
	    $(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1
	$(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
	rm -f $*.c $*.tf1
	mv $*.tf2 $@

# 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.so'
	rm -f '$(DESTDIR)$(libdir)/libpng.so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@'
	rm -f '$(DESTDIR)$(libdir)/libpng.sl'
	rm -f '$(DESTDIR)$(libdir)/libpng.dylib'
	rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'
Commit	Line	Data
	1	# Makefile.am:
	2	# Source file for Makefile.in (and hence Makefile)
	3	#
	4
	5	PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
	6
	7	ACLOCAL_AMFLAGS = -I scripts
	8
	9	# test programs - run on make check, make distcheck
	10	check_PROGRAMS= pngtest pngunknown pngstest pngvalid
	11
	12	pngtest_SOURCES = pngtest.c
	13	pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	14
	15	pngvalid_SOURCES = contrib/libtests/pngvalid.c
	16	pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	17
	18	pngstest_SOURCES = contrib/libtests/pngstest.c
	19	pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	20
	21	pngunknown_SOURCES = contrib/libtests/pngunknown.c
	22	pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	23
	24	# Generally these are single line shell scripts to run a test with a particular
	25	# set of parameters:
	26	TESTS =\
	27	tests/pngtest\
	28	tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
	29	tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
	30	tests/pngvalid-gamma-expand16-background\
	31	tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
	32	tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
	33	tests/pngvalid-progressive-interlace-size\
	34	tests/pngvalid-progressive-interlace-standard\
	35	tests/pngvalid-progressive-interlace-transform\
	36	tests/pngvalid-progressive-standard tests/pngvalid-standard\
	37	tests/pngstest-0g01 tests/pngstest-0g02 tests/pngstest-0g04\
	38	tests/pngstest-0g08 tests/pngstest-0g16 tests/pngstest-2c08\
	39	tests/pngstest-2c16 tests/pngstest-3p01 tests/pngstest-3p02\
	40	tests/pngstest-3p04 tests/pngstest-3p08 tests/pngstest-4a08\
	41	tests/pngstest-4a16 tests/pngstest-6a08 tests/pngstest-6a16\
	42	tests/pngstest-error tests/pngunknown-IDAT\
	43	tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
	44	tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg
	45
	46	# These tests are expected, and required, to fail:
	47	XFAIL_TESTS = tests/pngstest-error
	48
	49	# man pages
	50	dist_man_MANS= libpng.3 libpngpf.3 png.5
	51
	52	# generate the -config scripts if required
	53	binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
	54	EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
	55	bin_SCRIPTS= @binconfigs@
	56
	57	# rules to build libpng, only build the old library on request
	58	lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
	59	# EXTRA_LTLIBRARIES= libpng.la
	60	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
	61	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
	62	pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
	63	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
	64
	65	if PNG_ARM_NEON
	66	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
	67	arm/filter_neon.S
	68	endif
	69
	70	nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
	71
	72	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
	73	-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
	74
	75	if HAVE_LD_VERSION_SCRIPT
	76	# Versioned symbols and restricted exports
	77	if HAVE_SOLARIS_LD
	78	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
	79	else
	80	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
	81	endif
	82
	83	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
	84	else
	85	# Only restricted exports when possible
	86	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
	87	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
	88	endif
	89
	90	#distribute headers in /usr/include/libpng/*
	91	pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
	92	pkginclude_HEADERS= png.h pngconf.h
	93	nodist_pkginclude_HEADERS= pnglibconf.h
	94
	95	# pkg-config stuff, note that libpng.pc is always required in order
	96	# to get the correct library
	97	pkgconfigdir = @pkgconfigdir@
	98	pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
	99
	100	# Extra source distribution files, '${srcdir}' is used below to stop build files
	101	# from those directories being included. This only works if the configure is
	102	# not done in the source directory!
	103	EXTRA_DIST= \
	104	ANNOUNCE CHANGES INSTALL LICENSE README TODO \
	105	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
	106	${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
	107	$(TESTS) $(XFAIL_TESTS) tests/pngstest \
	108	CMakeLists.txt example.c libpng-manual.txt
	109
	110	SCRIPT_CLEANFILES=scripts/.out scripts/.chk scripts/pnglibconf.dfn
	111
	112	CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
	113	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
	114	check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \
	115	$(SCRIPT_CLEANFILES)
	116
	117	MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
	118	config.sub configure depcomp install-sh ltmain.sh missing
	119
	120	# PNG_COPTS give extra options for the C compiler to be used on all compilation
	121	# steps (unless targe_CFLAGS is specified; that will take precedence over
	122	# AM_CFLAGS)
	123	PNG_COPTS = @PNG_COPTS@
	124	AM_CFLAGS = ${PNG_COPTS}
	125
	126	# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
	127	# other operating systems (NeXT?) the C preprocessor selected by configure
	128	# checks input tokens for validity - effectively it performs part of the ANSI-C
	129	# parsing - and therefore fails with the .df files. configure.ac has special
	130	# checks for this and sets DFNCPP appropriately.
	131	DFNCPP = @DFNCPP@
	132
	133	SUFFIXES = .chk .dfn .out
	134
	135	$(PNGLIB_BASENAME).pc: libpng.pc
	136	cp libpng.pc $@
	137
	138	$(PNGLIB_BASENAME)-config: libpng-config
	139	cp libpng-config $@
	140
	141	scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
	142	scripts/prefix.out: png.h pngconf.h pnglibconf.out
	143	scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
	144	scripts/intprefix.out: pnglibconf.h
	145
	146	libpng.sym: scripts/sym.out
	147	rm -f $@
	148	cp $? $@
	149	libpng.vers: scripts/vers.out
	150	rm -f $@
	151	cp $? $@
	152
	153	if DO_PNG_PREFIX
	154	# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
	155	# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
	156	# implementation of the macro).
	157	pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
	158	rm -f $@
	159	$(AWK) 's==0 && NR>1{print prev}\
	160	s==0{prev=$$0}\
	161	s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
	162	s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
	163	END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
	164	s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
	165	mv pnglibconf.tf8 $@
	166
	167	pngprefix.h: scripts/intprefix.out
	168	rm -f pngprefix.tf1
	169	$(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
	170	mv pngprefix.tf1 $@
	171	else
	172	pnglibconf.h: pnglibconf.out
	173	rm -f $@
	174	cp $? $@
	175
	176	pngprefix.h: # is empty
	177	:>$@
	178	endif
	179
	180	$(srcdir)/scripts/pnglibconf.h.prebuilt:
	181	@echo "Attempting to build $@" >&2
	182	@echo "This is a machine generated file, but if you want to make" >&2
	183	@echo "a new one simply make 'scripts/pnglibconf.out' and copy that" >&2
	184	@exit 1
	185
	186	# The following is necessary to ensure that the local pnglibconf.h is used, not
	187	# an installed one (this can happen immediately after on a clean system if
	188	# 'make test' is the first thing the user does.)
	189	contrib/libtests/pngstest.o contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
	190	contrib/libtests/pngunknown.o: pnglibconf.h
	191
	192	# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
	193	# be built with PNG_USE_READ_MACROS; this prevents the read macros from
	194	# interfering with the symbol file format.
	195	SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
	196	-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
	197	-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
	198	-DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
	199
	200	if DO_PNG_PREFIX
	201	SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
	202	endif
	203
	204	.dfn.out:
	205	rm -f $@ $.c $.tf[12]
	206	test -d scripts \|\| mkdir scripts \|\| test -d scripts
	207	echo '#include "$<"' >$*.c
	208	$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
	209	$(CPPFLAGS) $(SYMBOL_CFLAGS) $.c > $.tf1
	210	$(AWK) -f "${srcdir}/scripts/dfn.awk" out="$.tf2" $.tf1 1>&2
	211	rm -f $.c $.tf1
	212	mv $*.tf2 $@
	213
	214	# The .dfn file for pnglibconf.h is machine generated
	215	pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
	216	rm -f $@ $*.tf[45]
	217	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
	218	${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
	219	${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
	220	$(AWK) -f ${srcdir}/scripts/options.awk out=$.tf5 $.tf4 1>&2
	221	rm $*.tf4
	222	mv $*.tf5 $@
	223
	224	# Symbol checks (.def and .out files should match)
	225	scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
	226
	227	.out.chk:
	228	rm -f $@ $*.new
	229	$(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
	230	of="$*.new" $< >&2
	231	mv $*.new $@
	232
	233	# used on demand to regenerate the standard header, CPPFLAGS should
	234	# be empty - no non-standard defines
	235	scripts/pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
	236	rm -f $@ pnglibconf.tf[67]
	237	test -z "$(CPPFLAGS)"
	238	echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" \|\
	239	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
	240	logunsupported=1 version=search ${srcdir}/pngconf.h -\
	241	${srcdir}/scripts/pnglibconf.dfa 1>&2
	242	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
	243	pnglibconf.tf6 1>&2
	244	rm pnglibconf.tf6
	245	mv pnglibconf.tf7 $@
	246
	247	$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
	248	pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
	249
	250	test: check-am
	251
	252	# Extra checks
	253	check: scripts/symbols.chk
	254
	255	# Don't distribute the generated script files
	256	dist-hook:
	257	cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
	258
	259	# install the .../include headers as links to the new ones
	260	install-data-hook:
	261	cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.h
	262	cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
	263	cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pngconf.h \
	264	pngconf.h
	265	cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pnglibconf.h \
	266	pnglibconf.h
	267	cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc
	268	cd '$(DESTDIR)$(pkgconfigdir)'; $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
	269
	270	# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ to be used
	271	install-exec-hook:
	272	cd '$(DESTDIR)$(bindir)'; rm -f libpng-config
	273	cd '$(DESTDIR)$(bindir)';\
	274	$(LN_S) $(PNGLIB_BASENAME)-config libpng-config
	275	@set -x;\
	276	cd '$(DESTDIR)$(libdir)';\
	277	for ext in a la so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@\
	278	sl dylib dll.a; do\
	279	rm -f libpng.$$ext;\
	280	if test -f $(PNGLIB_BASENAME).$$ext; then\
	281	$(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
	282	fi;\
	283	done
	284
	285	uninstall-hook:
	286	cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.h
	287	rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
	288	rm -f '$(DESTDIR)$(bindir)/libpng-config'
	289	rm -f '$(DESTDIR)$(libdir)/libpng.a'
	290	rm -f '$(DESTDIR)$(libdir)/libpng.la'
	291	rm -f '$(DESTDIR)$(libdir)/libpng.so'
	292	rm -f '$(DESTDIR)$(libdir)/libpng.so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@'
	293	rm -f '$(DESTDIR)$(libdir)/libpng.sl'
	294	rm -f '$(DESTDIR)$(libdir)/libpng.dylib'
	295	rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'