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# Makefile.am:
# Source file for Makefile.in (and hence Makefile)
#
PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
# libpng does not follow GNU file name conventions
# "color-tests" requires automake 1.11.1 or later. Enable it if you like,
# to get red "FAIL" and green "PASS" notations during tests.
# AUTOMAKE_OPTIONS = foreign color-tests
AUTOMAKE_OPTIONS = foreign
# test programs - run on make check, make distcheck
TESTS_ENVIRONMENT= srcdir=$(srcdir)
check_PROGRAMS= pngtest
pngtest_SOURCES = pngtest.c
pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
TESTS = test-pngtest.sh
# Only do the following if the contrib directory is present.
check_PROGRAMS+= pngvalid
pngvalid_SOURCES = contrib/libtests/pngvalid.c
pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
TESTS += test-pngvalid-simple.sh test-pngvalid-full.sh
# 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
endif
nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS = @LIBPNG_DEFINES@
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.
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) \
CMakeLists.txt example.c libpng-manual.txt
SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
CLEANFILES= dfn.c dfn?.out *.out.? scripts/*.out.? pngout.png \
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
check.new pnglibconf.h symbols.new pngtest-log.txt \
pnglibconf.c pnglibconf.out pnglibconf.pre \
$(SCRIPT_CLEANFILES)
MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
config.sub configure depcomp install-sh ltmain.sh missing
# 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/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
libpng.sym: scripts/sym.out
rm -f $@
cp $? $@
libpng.vers: scripts/vers.out
rm -f $@
cp $? $@
pnglibconf.h: pnglibconf.out
rm -f $@
cp $? $@
$(srcdir)/scripts/pnglibconf.h.prebuilt:
@echo "Attempting to build $@" >&2
@echo "This is a machine generated file, but if you want to make" >&2
@echo "a new one simply make 'scripts/pnglibconf.out' and copy that" >&2
@exit 1
# The following is necessary to ensure that the local pnglibconf.h is used, not
# an installed one (this can happen immediately after on a clean system if
# 'make test' is the first thing the user does.)
contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
# be built with PNG_USE_READ_MACROS; this prevents the read macros from
# interfering with the symbol file format.
SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
-DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
.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 $@ pnglibconf.pre $@.?
$(AWK) -f ${srcdir}/scripts/options.awk out="pnglibconf.pre"\
version=search ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
$(AWK) -f ${srcdir}/scripts/options.awk out="$@.1" pnglibconf.pre 1>&2
mv $@.1 $@
# Symbol checks (.def and .out files should match)
scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
.out.chk:
rm -f $@ symbols.new
$(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
$< >&2
mv symbols.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 $@ dfn?.out
test -z "$(CPPFLAGS)"
echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
$(AWK) -f ${srcdir}/scripts/options.awk out=dfn1.out logunsupported=1\
version=search ${srcdir}/pngconf.h -\
${srcdir}/scripts/pnglibconf.dfa 1>&2
$(AWK) -f ${srcdir}/scripts/options.awk out=dfn2.out dfn1.out 1>&2
rm dfn1.out
mv dfn2.out $@
$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h
test: check-am
# Extra checks
check: scripts/symbols.chk
# Don't distribute the generated script files
dist-hook:
cd '$(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)