Index: third_party/libpng/Makefile.am |
diff --git a/third_party/libpng/Makefile.am b/third_party/libpng/Makefile.am |
new file mode 100644 |
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+++ b/third_party/libpng/Makefile.am |
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+# Makefile.am, the source file for Makefile.in (and hence Makefile), is |
+# |
+# Copyright (c) 2016 Google, Inc. |
+# Written by Mike Klein and Matt Sarett |
+# Derived from the ARM supporting code in libpng/configure.ac, which was |
+# Copyright (c) 2004-2016 Glenn Randers-Pehrson |
+# Last changed in libpng 1.6.22 [(PENDING RELEASE)] |
+# |
+# This code is released under the libpng license. |
+# For conditions of distribution and use, see the disclaimer |
+# and license in png.h |
+ |
+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 pngimage timepng |
+ |
+# Utilities - installed |
+bin_PROGRAMS= pngfix png-fix-itxt |
+ |
+# This ensures that pnglibconf.h gets built at the start of 'make all' or |
+# 'make check', but it does not add dependencies to the individual programs, |
+# this is done below. |
+# |
+# IMPORTANT: always add the object modules of new programs to the list below |
+# because otherwise the sequence 'configure; make new-program' will *sometimes* |
+# result in the installed (system) pnglibconf.h being used and the result is |
+# always wrong and always very confusing. |
+BUILT_SOURCES = pnglibconf.h |
+ |
+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 |
+ |
+pngimage_SOURCES = contrib/libtests/pngimage.c |
+pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la |
+ |
+timepng_SOURCES = contrib/libtests/timepng.c |
+timepng_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la |
+ |
+pngfix_SOURCES = contrib/tools/pngfix.c |
+pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la |
+ |
+png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c |
+ |
+# 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-size\ |
+ tests/pngvalid-progressive-interlace-standard\ |
+ tests/pngvalid-transform\ |
+ tests/pngvalid-progressive-standard tests/pngvalid-standard\ |
+ tests/pngstest-1.8 tests/pngstest-1.8-alpha tests/pngstest-linear\ |
+ tests/pngstest-linear-alpha tests/pngstest-none tests/pngstest-none-alpha\ |
+ tests/pngstest-sRGB tests/pngstest-sRGB-alpha tests/pngunknown-IDAT\ |
+ tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\ |
+ tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg\ |
+ tests/pngimage-quick tests/pngimage-full |
+ |
+# 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 arm/filter_neon_intrinsics.c |
+endif |
+ |
+if PNG_INTEL_SSE |
+libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += contrib/intel/intel_init.c\ |
+ contrib/intel/filter_sse2_intrinsics.c |
+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 |
+ |
+CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \ |
+ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \ |
+ check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \ |
+ pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \ |
+ $(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 = ${PNG_COPTS} |
+ |
+# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe |
+# other operating systems (NeXT?) the C preprocessor selected by configure |
+# checks input tokens for validity - effectively it performs part of the ANSI-C |
+# parsing - and therefore fails with the .df files. configure.ac has special |
+# checks for this and sets DFNCPP appropriately. |
+DFNCPP = @DFNCPP@ |
+ |
+SUFFIXES = .chk .out |
+ |
+$(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', copy that" >&2 |
+ @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&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.) Only files which include |
+# one of the png source files (typically png.h or pngpriv.h) need to be listed |
+# here: |
+pngtest.o: pnglibconf.h |
+ |
+contrib/libtests/makepng.o: pnglibconf.h |
+contrib/libtests/pngstest.o: pnglibconf.h |
+contrib/libtests/pngunknown.o: pnglibconf.h |
+contrib/libtests/pngimage.o: pnglibconf.h |
+contrib/libtests/pngvalid.o: pnglibconf.h |
+contrib/libtests/readpng.o: pnglibconf.h |
+contrib/libtests/tarith.o: pnglibconf.h |
+contrib/libtests/timepng.o: pnglibconf.h |
+ |
+contrib/tools/makesRGB.o: pnglibconf.h |
+contrib/tools/pngfix.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 |
+ |
+.c.out: |
+ rm -f $@ $*.tf[12] |
+ test -d scripts || mkdir scripts || test -d scripts |
+ $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\ |
+ $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1 |
+ $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2 |
+ rm -f $*.tf1 |
+ mv $*.tf2 $@ |
+ |
+# The .c file for pnglibconf.h is machine generated |
+pnglibconf.c: 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.c: 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) |
+ |
+# Make links between installed files with release-specific names and the generic |
+# file names. If this install rule is run the generic names will be deleted and |
+# recreated - this has obvious issues for systems with multiple installations. |
+ |
+install-header-links: |
+ @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \ |
+ rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done |
+ |
+uninstall-header-links: |
+ cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS) |
+ |
+install-libpng-pc: |
+ @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \ |
+ $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc |
+ |
+uninstall-libpng-pc: |
+ rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc' |
+ |
+# EXT_LIST is a list of the possibly library directory extensions, this exists |
+# because we can't find a good way of discovering the file extensions that are |
+# actually installed on a given system, so instead we check for every extension |
+# we have seen. |
+ |
+EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib |
+ |
+install-library-links: |
+ @set -x; cd '$(DESTDIR)$(libdir)';\ |
+ for ext in $(EXT_LIST); do\ |
+ rm -f "libpng.$$ext";\ |
+ if test -f "$(PNGLIB_BASENAME).$$ext"; then\ |
+ $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\ |
+ fi;\ |
+ done |
+ |
+uninstall-library-links: |
+ @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\ |
+ rm -f "libpng.$$ext"; done |
+ |
+install-libpng-config: |
+ @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \ |
+ $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config |
+ |
+uninstall-libpng-config: |
+ rm -f '$(DESTDIR)$(bindir)/libpng-config' |
+ |
+if DO_INSTALL_LINKS |
+# If --enable-unversioned-links is specified the header and lib file links |
+# will be automatically made on a 'make install': |
+ |
+install-data-hook: install-header-links |
+uninstall-hook: uninstall-header-links |
+install-exec-hook: install-library-links |
+uninstall-hook: uninstall-library-links |
+endif |
+ |
+if DO_INSTALL_LIBPNG_PC |
+# Likewise, --install-pc causes libpng.pc to be constructed: |
+ |
+install-data-hook: install-libpng-pc |
+uninstall-hook: uninstall-libpng-pc |
+endif |
+ |
+if DO_INSTALL_LIBPNG_CONFIG |
+# And --install-config: |
+ |
+install-exec-hook: install-libpng-config |
+uninstall-hook: uninstall-libpng-config |
+endif |
+ |
+# The following addition ensures that 'make all' always builds the test programs |
+# too. It used to, but some change either in libpng or configure stopped this |
+# working. |
+all-am: $(check_PROGRAMS) |