1# Makefile.am:
2#   Source file for Makefile.in (and hence Makefile)
3#
4# Makefile.am need only be changed on a major version number
5# change (e.g. libpng12 --> libpng14).  In that case seach
6# this file for every instance of the old base name (libpng12)
7# and change to the new one (libpng14), then change the
8# -version-number settings below so that the new values have
9# the correct major part (first field).
10
11PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
12
13# libpng does not follow GNU file name conventions
14AUTOMAKE_OPTIONS = foreign
15
16# test programs - run on make check, make distcheck
17check_PROGRAMS= pngtest
18pngtest_SOURCES = pngtest.c
19pngtest_LDADD = libpng12.la
20TESTS = test-pngtest.sh
21TESTS_ENVIRONMENT= srcdir=$(srcdir)
22
23# man pages
24dist_man_MANS= libpng.3 libpngpf.3 png.5
25
26# generate the -config scripts if required
27binconfigs= libpng12-config
28EXTRA_SCRIPTS= libpng-config libpng12-config
29bin_SCRIPTS= @binconfigs@
30
31# rules to build libpng, only build the old library on request
32lib_LTLIBRARIES=libpng12.la @compatlib@
33EXTRA_LTLIBRARIES= libpng.la
34libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
35	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
36	pngwtran.c pngmem.c pngerror.c pngpread.c \
37	png.h pngconf.h
38libpng_la_SOURCES = $(libpng12_la_SOURCES)
39
40libpng_la_CPPFLAGS = @LIBPNG_DEFINES@
41libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@
42
43# MAJOR UPGRADE: the version-number settings below must be changed.
44libpng12_la_LDFLAGS = -no-undefined -export-dynamic \
45	-version-number 0:@PNGLIB_RELEASE@:0
46# -rpath is needed as automake doesn't know the directory
47libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \
48	-version-number 3:@PNGLIB_RELEASE@:0
49
50if HAVE_LD_VERSION_SCRIPT
51  # Versioned symbols and restricted exports
52  libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers
53  libpng12_la_DEPENDENCIES = libpng.vers
54else
55  # Only restricted exports when possible
56  libpng12_la_LDFLAGS += -export-symbols libpng.sym
57  libpng12_la_DEPENDENCIES = libpng.sym
58endif
59libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES)
60
61# Avoid depending upon Character Ranges.
62AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
63
64#distribute headers in /usr/include/libpng/*
65pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
66pkginclude_HEADERS= png.h pngconf.h
67
68# pkg-config stuff, note that libpng.pc is always required in order
69# to get the correct library
70pkgconfigdir = @pkgconfigdir@
71pkgconfig_DATA = libpng12.pc
72
73#extra source distribution files.
74EXTRA_DIST= \
75	ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
76	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
77        CMakeLists.txt \
78	${srcdir}/projects/cbuilder5/* \
79	${srcdir}/projects/beos/* \
80	${srcdir}/projects/visualc6/* \
81	${srcdir}/projects/visualc71/* \
82	${srcdir}/projects/wince.txt \
83	${srcdir}/projects/netware.txt \
84	${srcdir}/projects/xcode/* \
85	${srcdir}/scripts/* \
86	${srcdir}/contrib/gregbook/* \
87	${srcdir}/contrib/pngminim/* \
88	${srcdir}/contrib/pngminus/* \
89	${srcdir}/contrib/pngsuite/* \
90	${srcdir}/contrib/visupng/* \
91	$(TESTS) \
92	example.c libpng-1.2.46.txt pnggccrd.c pngvcrd.c
93
94CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
95libpng.sym
96
97MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
98config.sub configure depcomp install-sh ltmain.sh missing
99
100$(PNGLIB_BASENAME).pc: libpng.pc
101	cp libpng.pc $@
102
103$(PNGLIB_BASENAME)-config: libpng-config
104	cp libpng-config $@
105
106libpng.sym: png.h pngconf.h
107	rm -f $@ $@.new
108	$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
109		$(SED) -n -e \
110		's|^.*PNG_FUNCTION_EXPORT[ 	]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
111		-e 's|^.*PNG_DATA_EXPORT[ 	]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
112			>$@.new
113	mv $@.new $@
114
115libpng.vers: libpng.sym
116	rm -f $@ $@.new
117	echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new
118	$(SED) s/$$/\;/ libpng.sym >> $@.new
119	echo 'local: *; };' >> $@.new
120	mv $@.new $@
121
122test: check
123
124# install the .../include headers as links to the new ones
125install-data-hook:
126	cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
127	cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
128	cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h
129	cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
130	cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
131
132# do evil things to libpng to cause libpng12 to be used
133install-exec-hook:
134	cd $(DESTDIR)$(bindir); rm -f libpng-config
135	cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
136	@set -x;\
137	cd $(DESTDIR)$(libdir);\
138	for ext in a la so sl dylib; do\
139		rm -f libpng.$$ext;\
140                if test -f $(PNGLIB_BASENAME).$$ext; then\
141                       $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
142                fi;\
143	done
144
145uninstall-hook:
146	cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
147	rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc
148	rm -f $(DESTDIR)$(bindir)/libpng-config
149	@if test -n "@compatlib@"; then\
150		set -x;\
151		cd $(DESTDIR)$(libdir);\
152		for ext in a la so sl dylib; do\
153			rm -f libpng.$$ext;\
154		done;\
155	fi
156