# Makefile.am:
# Source file for Makefile.in (and hence Makefile)
#
-# Makefile.am need only be changed on a major version number
-# change (e.g. libpng12 --> libpng14). In that case seach
-# this file for every instance of the old base name (libpng12)
-# and change to the new one (libpng14), then change the
-# -version-number settings below so that the new values have
-# the correct major part (first field).
PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
-# libpng does not follow GNU file name conventions
-AUTOMAKE_OPTIONS = foreign
+ACLOCAL_AMFLAGS = -I scripts
# test programs - run on make check, make distcheck
-check_PROGRAMS= pngtest
+check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage
+
+# 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 = libpng12.la
-TESTS = test-pngtest.sh
-TESTS_ENVIRONMENT= srcdir=$(srcdir)
+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
+
+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-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\
+ tests/pngimage-quick tests/pngimage-full
+
+# 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= libpng12-config
-EXTRA_SCRIPTS= libpng-config libpng12-config
+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=libpng12.la @compatlib@
-EXTRA_LTLIBRARIES= libpng.la
-libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
- pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
- pngwtran.c pngmem.c pngerror.c pngpread.c \
- png.h pngconf.h
-libpng_la_SOURCES = $(libpng12_la_SOURCES)
-
-libpng_la_CPPFLAGS = @LIBPNG_DEFINES@
-libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@
-
-# MAJOR UPGRADE: the version-number settings below must be changed.
-libpng12_la_LDFLAGS = -no-undefined -export-dynamic \
- -version-number 0:@PNGLIB_RELEASE@:0
-# -rpath is needed as automake doesn't know the directory
-libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \
- -version-number 3:@PNGLIB_RELEASE@:0
+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
+
+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
- libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers
- libpng12_la_DEPENDENCIES = libpng.vers
+# Versioned symbols and restricted exports
+if HAVE_SOLARIS_LD
+ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
else
- # Only restricted exports when possible
- libpng12_la_LDFLAGS += -export-symbols libpng.sym
- libpng12_la_DEPENDENCIES = libpng.sym
+ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
endif
-libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES)
-# Avoid depending upon Character Ranges.
-AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+ 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 = libpng12.pc
+pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
-#extra source distribution files.
+# 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 KNOWNBUG LICENSE README TODO Y2KINFO \
+ ANNOUNCE CHANGES INSTALL LICENSE README TODO \
pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
- CMakeLists.txt \
- ${srcdir}/projects/cbuilder5/* \
- ${srcdir}/projects/beos/* \
- ${srcdir}/projects/visualc6/* \
- ${srcdir}/projects/visualc71/* \
- ${srcdir}/projects/wince.txt \
- ${srcdir}/projects/netware.txt \
- ${srcdir}/projects/xcode/* \
- ${srcdir}/scripts/* \
- ${srcdir}/contrib/gregbook/* \
- ${srcdir}/contrib/pngminim/* \
- ${srcdir}/contrib/pngminus/* \
- ${srcdir}/contrib/pngsuite/* \
- ${srcdir}/contrib/visupng/* \
- $(TESTS) \
- example.c libpng-1.2.50.txt pnggccrd.c pngvcrd.c
-
-CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
-libpng.sym
+ ${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 $@
-libpng.sym: png.h pngconf.h
- rm -f $@ $@.new
- $(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
- $(SED) -n -e \
- 's|^.*PNG_FUNCTION_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
- -e 's|^.*PNG_DATA_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
- >$@.new
- mv $@.new $@
-
-libpng.vers: libpng.sym
- rm -f $@ $@.new
- echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new
- $(SED) s/$$/\;/ libpng.sym >> $@.new
- echo 'local: *; };' >> $@.new
- mv $@.new $@
-
-test: check
-
-# install the .../include headers as links to the new ones
-install-data-hook:
- cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
- cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
- cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h
- cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
- cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
-
-# do evil things to libpng to cause libpng12 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 sl dylib; do\
- rm -f libpng.$$ext;\
- if test -f $(PNGLIB_BASENAME).$$ext; then\
- $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
- fi;\
+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
+
+.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)
+
+# 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-hook:
- cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
- rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc
- rm -f $(DESTDIR)$(bindir)/libpng-config
- @if test -n "@compatlib@"; then\
- set -x;\
- cd $(DESTDIR)$(libdir);\
- for ext in a la so sl dylib; do\
- rm -f libpng.$$ext;\
- done;\
- fi
+uninstall-library-links:
+ @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
+ rm -f "libpng.$$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)
projects / platform / upstream / libpng.git / blobdiff