| # Makefile.am, the source file for Makefile.in (and hence Makefile), is |
| # |
| # Copyright (c) 2018 Cosmin Truta |
| # Copyright (c) 2004-2016 Glenn Randers-Pehrson |
| # |
| # 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 pngcp |
| if HAVE_CLOCK_GETTIME |
| check_PROGRAMS += timepng |
| endif |
| |
| # 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 |
| |
| pngcp_SOURCES = contrib/tools/pngcp.c |
| pngcp_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/pngtest-badpngs\ |
| 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 \ |
| arm/palette_neon_intrinsics.c |
| endif |
| |
| if PNG_MIPS_MSA |
| libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += mips/mips_init.c\ |
| mips/filter_msa_intrinsics.c |
| endif |
| |
| if PNG_INTEL_SSE |
| libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += intel/intel_init.c\ |
| intel/filter_sse2_intrinsics.c |
| endif |
| |
| if PNG_POWERPC_VSX |
| libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += powerpc/powerpc_init.c\ |
| powerpc/filter_vsx_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 AUTHORS CHANGES INSTALL LICENSE README TODO TRADEMARK \ |
| 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 |
| contrib/tools/pngcp.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) |