940b37b197
1) Added the 'compile' program to the list of programs that must be cleaned
in autogen.sh
2) Added 'subdir-objects' which causes .c files in sub-directories to be
compiled such that the corresponding .o files are also in the
sub-directory. This is because automake 1.14 warns that the
current behavior of compiling to the top level directory may be removed
in the future.
3) Updated dependencies on pnglibconf.h to match the new .o locations and
added all the files in contrib/libtests and contrib/tools that depend
on pnglibconf.h
4) Added 'BUILD_SOURCES = pnglibconf.h'; this is the automake recommended
way of handling the dependencies of sources that are machine generated;
unfortunately it only works if the user does 'make all' or 'make check',
so the dependencies (3) are still required.
327 lines
12 KiB
Makefile
327 lines
12 KiB
Makefile
# Makefile.am:
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# Source file for Makefile.in (and hence Makefile)
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#
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PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
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ACLOCAL_AMFLAGS = -I scripts
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# test programs - run on make check, make distcheck
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check_PROGRAMS= pngtest pngunknown pngstest pngvalid
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# Utilities - installed
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bin_PROGRAMS= pngfix png-fix-itxt
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# This ensures that pnglibconf.h gets built at the start of 'make all' or
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# 'make check', but it does not add dependencies to the individual programs,
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# this is done below.
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#
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# IMPORTANT: always add the object modules of new programs to the list below
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# because otherwise the sequence 'configure; make new-program' will *sometimes*
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# result in the installed (system) pnglibconf.h being used and the result is
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# always wrong and always very confusing.
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BUILT_SOURCES = pnglibconf.h
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pngtest_SOURCES = pngtest.c
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pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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pngvalid_SOURCES = contrib/libtests/pngvalid.c
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pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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pngstest_SOURCES = contrib/libtests/pngstest.c
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pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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pngunknown_SOURCES = contrib/libtests/pngunknown.c
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pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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pngfix_SOURCES = contrib/tools/pngfix.c
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pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c
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# Generally these are single line shell scripts to run a test with a particular
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# set of parameters:
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TESTS =\
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tests/pngtest\
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tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
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tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
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tests/pngvalid-gamma-expand16-background\
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tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
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tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
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tests/pngvalid-progressive-interlace-size\
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tests/pngvalid-progressive-interlace-standard\
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tests/pngvalid-progressive-interlace-transform\
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tests/pngvalid-progressive-standard tests/pngvalid-standard\
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tests/pngstest-0g01 tests/pngstest-0g02 tests/pngstest-0g04\
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tests/pngstest-0g08 tests/pngstest-0g16 tests/pngstest-2c08\
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tests/pngstest-2c16 tests/pngstest-3p01 tests/pngstest-3p02\
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tests/pngstest-3p04 tests/pngstest-3p08 tests/pngstest-4a08\
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tests/pngstest-4a16 tests/pngstest-6a08 tests/pngstest-6a16\
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tests/pngstest-error tests/pngunknown-IDAT\
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tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
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tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg
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# These tests are expected, and required, to fail:
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XFAIL_TESTS = tests/pngstest-error
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# man pages
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dist_man_MANS= libpng.3 libpngpf.3 png.5
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# generate the -config scripts if required
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binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
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EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
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bin_SCRIPTS= @binconfigs@
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# rules to build libpng, only build the old library on request
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lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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# EXTRA_LTLIBRARIES= libpng.la
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
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pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
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pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
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png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
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if PNG_ARM_NEON
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
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arm/filter_neon.S
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endif
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nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
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-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
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if HAVE_LD_VERSION_SCRIPT
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# Versioned symbols and restricted exports
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if HAVE_SOLARIS_LD
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
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else
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
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endif
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
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else
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# Only restricted exports when possible
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
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endif
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#distribute headers in /usr/include/libpng/*
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pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
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pkginclude_HEADERS= png.h pngconf.h
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nodist_pkginclude_HEADERS= pnglibconf.h
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# pkg-config stuff, note that libpng.pc is always required in order
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# to get the correct library
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pkgconfigdir = @pkgconfigdir@
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pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
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# Extra source distribution files, '${srcdir}' is used below to stop build files
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# from those directories being included. This only works if the configure is
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# not done in the source directory!
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EXTRA_DIST= \
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ANNOUNCE CHANGES INSTALL LICENSE README TODO \
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pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
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${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
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$(TESTS) $(XFAIL_TESTS) tests/pngstest \
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CMakeLists.txt example.c libpng-manual.txt
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SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk scripts/pnglibconf.dfn
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CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
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check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \
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$(SCRIPT_CLEANFILES)
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MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
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config.sub configure depcomp install-sh ltmain.sh missing
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# PNG_COPTS give extra options for the C compiler to be used on all compilation
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# steps (unless targe_CFLAGS is specified; that will take precedence over
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# AM_CFLAGS)
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PNG_COPTS = @PNG_COPTS@
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AM_CFLAGS = ${PNG_COPTS}
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# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
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# other operating systems (NeXT?) the C preprocessor selected by configure
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# checks input tokens for validity - effectively it performs part of the ANSI-C
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# parsing - and therefore fails with the .df files. configure.ac has special
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# checks for this and sets DFNCPP appropriately.
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DFNCPP = @DFNCPP@
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SUFFIXES = .chk .dfn .out
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$(PNGLIB_BASENAME).pc: libpng.pc
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cp libpng.pc $@
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$(PNGLIB_BASENAME)-config: libpng-config
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cp libpng-config $@
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scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
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scripts/prefix.out: png.h pngconf.h pnglibconf.out
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scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
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scripts/intprefix.out: pnglibconf.h
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libpng.sym: scripts/sym.out
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rm -f $@
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cp $? $@
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libpng.vers: scripts/vers.out
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rm -f $@
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cp $? $@
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if DO_PNG_PREFIX
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# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
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# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
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# implementation of the macro).
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pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
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rm -f $@
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$(AWK) 's==0 && NR>1{print prev}\
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s==0{prev=$$0}\
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s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
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s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
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END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
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s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
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mv pnglibconf.tf8 $@
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pngprefix.h: scripts/intprefix.out
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rm -f pngprefix.tf1
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$(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
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mv pngprefix.tf1 $@
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else
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pnglibconf.h: pnglibconf.out
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rm -f $@
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cp $? $@
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pngprefix.h: # is empty
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:>$@
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endif
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$(srcdir)/scripts/pnglibconf.h.prebuilt:
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@echo "Attempting to build $@" >&2
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@echo "This is a machine generated file, but if you want to make" >&2
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@echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
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@echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
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@exit 1
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# The following is necessary to ensure that the local pnglibconf.h is used, not
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# an installed one (this can happen immediately after on a clean system if
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# 'make test' is the first thing the user does.) Only files which include
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# one of the png source files (typically png.h or pngpriv.h) need to be listed
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# here:
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pngtest.o: pnglibconf.h
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contrib/libtests/makepng.o: pnglibconf.h
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contrib/libtests/pngstest.o: pnglibconf.h
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contrib/libtests/pngunknown.o: pnglibconf.h
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contrib/libtests/pngvalid.o: pnglibconf.h
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contrib/libtests/readpng.o: pnglibconf.h
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contrib/libtests/tarith.o: pnglibconf.h
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contrib/libtests/timepng.o: pnglibconf.h
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contrib/tools/makesRGB.o: pnglibconf.h
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contrib/tools/pngfix.o: pnglibconf.h
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# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
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# be built with PNG_USE_READ_MACROS; this prevents the read macros from
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# interfering with the symbol file format.
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SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
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-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
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-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
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-DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
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if DO_PNG_PREFIX
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SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
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endif
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.dfn.out:
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rm -f $@ $*.c $*.tf[12]
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test -d scripts || mkdir scripts || test -d scripts
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echo '#include "$<"' >$*.c
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$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
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$(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1
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$(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
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rm -f $*.c $*.tf1
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mv $*.tf2 $@
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# The .dfn file for pnglibconf.h is machine generated
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pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
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rm -f $@ $*.tf[45]
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$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
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${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
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${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
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$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
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rm $*.tf4
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mv $*.tf5 $@
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# Symbol checks (.def and .out files should match)
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scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
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.out.chk:
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rm -f $@ $*.new
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$(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
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of="$*.new" $< >&2
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mv $*.new $@
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# used on demand to regenerate the standard header, CPPFLAGS should
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# be empty - no non-standard defines
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scripts/pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
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rm -f $@ pnglibconf.tf[67]
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test -z "$(CPPFLAGS)"
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echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
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$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
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logunsupported=1 version=search ${srcdir}/pngconf.h -\
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${srcdir}/scripts/pnglibconf.dfa 1>&2
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$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
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pnglibconf.tf6 1>&2
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rm pnglibconf.tf6
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mv pnglibconf.tf7 $@
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$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
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pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
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test: check-am
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# Extra checks
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check: scripts/symbols.chk
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# Don't distribute the generated script files
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dist-hook:
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cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
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# install the .../include headers as links to the new ones
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install-data-hook:
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cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.h
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cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
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cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pngconf.h \
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pngconf.h
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cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pnglibconf.h \
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pnglibconf.h
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cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc
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cd '$(DESTDIR)$(pkgconfigdir)'; $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
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# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ to be used
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install-exec-hook:
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cd '$(DESTDIR)$(bindir)'; rm -f libpng-config
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cd '$(DESTDIR)$(bindir)';\
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$(LN_S) $(PNGLIB_BASENAME)-config libpng-config
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@set -x;\
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cd '$(DESTDIR)$(libdir)';\
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for ext in a la so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@\
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sl dylib dll.a; do\
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rm -f libpng.$$ext;\
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if test -f $(PNGLIB_BASENAME).$$ext; then\
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$(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
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fi;\
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done
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uninstall-hook:
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cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.h
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rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
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rm -f '$(DESTDIR)$(bindir)/libpng-config'
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rm -f '$(DESTDIR)$(libdir)/libpng.a'
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rm -f '$(DESTDIR)$(libdir)/libpng.la'
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rm -f '$(DESTDIR)$(libdir)/libpng.so'
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rm -f '$(DESTDIR)$(libdir)/libpng.so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@'
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rm -f '$(DESTDIR)$(libdir)/libpng.sl'
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rm -f '$(DESTDIR)$(libdir)/libpng.dylib'
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rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'
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