373 lines
13 KiB
Makefile
373 lines
13 KiB
Makefile
# Makefile.am, the source file for Makefile.in (and hence Makefile), is
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#
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# Copyright (c) 2004-2016 Glenn Randers-Pehrson
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# Last changed in libpng 1.6.22 [(PENDING RELEASE)]
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#
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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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 pngimage
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if HAVE_CLOCK_GETTIME
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check_PROGRAMS += timepng
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endif
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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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pngimage_SOURCES = contrib/libtests/pngimage.c
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pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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timepng_SOURCES = contrib/libtests/timepng.c
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timepng_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-size\
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tests/pngvalid-progressive-interlace-standard\
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tests/pngvalid-transform\
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tests/pngvalid-progressive-standard tests/pngvalid-standard\
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tests/pngstest-1.8 tests/pngstest-1.8-alpha tests/pngstest-linear\
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tests/pngstest-linear-alpha tests/pngstest-none tests/pngstest-none-alpha\
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tests/pngstest-sRGB tests/pngstest-sRGB-alpha 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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tests/pngimage-quick tests/pngimage-full
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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 arm/filter_neon_intrinsics.c
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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) $(XFAIL_TESTS) tests/pngstest \
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CMakeLists.txt example.c libpng-manual.txt
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SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
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CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
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libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
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check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \
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pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \
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$(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 = ${PNG_COPTS}
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# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
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# other operating systems (NeXT?) the C preprocessor selected by configure
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# checks input tokens for validity - effectively it performs part of the ANSI-C
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# parsing - and therefore fails with the .df files. configure.ac has special
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# checks for this and sets DFNCPP appropriately.
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DFNCPP = @DFNCPP@
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SUFFIXES = .chk .out
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$(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/pngimage.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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.c.out:
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rm -f $@ $*.tf[12]
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test -d scripts || mkdir scripts || test -d scripts
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$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
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$(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1
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$(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
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rm -f $*.tf1
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mv $*.tf2 $@
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# The .c file for pnglibconf.h is machine generated
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pnglibconf.c: 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.c: 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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# Make links between installed files with release-specific names and the generic
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# file names. If this install rule is run the generic names will be deleted and
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# recreated - this has obvious issues for systems with multiple installations.
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install-header-links:
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@set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
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rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
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uninstall-header-links:
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cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
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install-libpng-pc:
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@set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
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$(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
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uninstall-libpng-pc:
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rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
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# EXT_LIST is a list of the possibly library directory extensions, this exists
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# because we can't find a good way of discovering the file extensions that are
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# actually installed on a given system, so instead we check for every extension
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# we have seen.
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EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
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install-library-links:
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@set -x; cd '$(DESTDIR)$(libdir)';\
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for ext in $(EXT_LIST); 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" || exit 1;\
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fi;\
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done
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uninstall-library-links:
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@set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
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rm -f "libpng.$$ext"; done
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install-libpng-config:
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@set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
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$(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
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uninstall-libpng-config:
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rm -f '$(DESTDIR)$(bindir)/libpng-config'
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if DO_INSTALL_LINKS
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# If --enable-unversioned-links is specified the header and lib file links
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# will be automatically made on a 'make install':
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install-data-hook: install-header-links
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uninstall-hook: uninstall-header-links
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install-exec-hook: install-library-links
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uninstall-hook: uninstall-library-links
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endif
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if DO_INSTALL_LIBPNG_PC
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# Likewise, --install-pc causes libpng.pc to be constructed:
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install-data-hook: install-libpng-pc
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uninstall-hook: uninstall-libpng-pc
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endif
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if DO_INSTALL_LIBPNG_CONFIG
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# And --install-config:
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install-exec-hook: install-libpng-config
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uninstall-hook: uninstall-libpng-config
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endif
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# The following addition ensures that 'make all' always builds the test programs
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# too. It used to, but some change either in libpng or configure stopped this
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# working.
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all-am: $(check_PROGRAMS)
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