1# Makefile.am:
2#   Source file for Makefile.in (and hence Makefile)
3#
4
5PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
6
7ACLOCAL_AMFLAGS = -I scripts
8
9# test programs - run on make check, make distcheck
10check_PROGRAMS= pngtest pngunknown pngstest pngvalid
11
12pngtest_SOURCES = pngtest.c
13pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
14
15pngvalid_SOURCES = contrib/libtests/pngvalid.c
16pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
17
18pngstest_SOURCES = contrib/libtests/pngstest.c
19pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
20
21pngunknown_SOURCES = contrib/libtests/pngunknown.c
22pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
23
24# Generally these are single line shell scripts to run a test with a particular
25# set of parameters:
26TESTS =\
27   tests/pngtest\
28   tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
29   tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
30   tests/pngvalid-gamma-expand16-background\
31   tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
32   tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
33   tests/pngvalid-progressive-interlace-size\
34   tests/pngvalid-progressive-interlace-standard\
35   tests/pngvalid-progressive-interlace-transform\
36   tests/pngvalid-progressive-standard tests/pngvalid-standard\
37   tests/pngstest-0g01 tests/pngstest-0g02 tests/pngstest-0g04\
38   tests/pngstest-0g08 tests/pngstest-0g16 tests/pngstest-2c08\
39   tests/pngstest-2c16 tests/pngstest-3p01 tests/pngstest-3p02\
40   tests/pngstest-3p04 tests/pngstest-3p08 tests/pngstest-4a08\
41   tests/pngstest-4a16 tests/pngstest-6a08 tests/pngstest-6a16\
42   tests/pngstest-error tests/pngunknown-IDAT\
43   tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
44   tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg
45
46# These tests are expected, and required, to fail:
47XFAIL_TESTS = tests/pngstest-error
48
49# man pages
50dist_man_MANS= libpng.3 libpngpf.3 png.5
51
52# generate the -config scripts if required
53binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
54EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
55bin_SCRIPTS= @binconfigs@
56
57# rules to build libpng, only build the old library on request
58lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
59# EXTRA_LTLIBRARIES= libpng.la
60libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
61	pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
62	pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
63	png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
64
65if PNG_ARM_NEON
66libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
67	arm/filter_neon.S
68endif
69
70nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
71
72libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
73	-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
74
75if HAVE_LD_VERSION_SCRIPT
76#   Versioned symbols and restricted exports
77if HAVE_SOLARIS_LD
78  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
79else
80  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
81endif
82
83  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
84else
85#   Only restricted exports when possible
86  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
87  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
88endif
89
90#distribute headers in /usr/include/libpng/*
91pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
92pkginclude_HEADERS= png.h pngconf.h
93nodist_pkginclude_HEADERS= pnglibconf.h
94
95# pkg-config stuff, note that libpng.pc is always required in order
96# to get the correct library
97pkgconfigdir = @pkgconfigdir@
98pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
99
100# Extra source distribution files, '${srcdir}' is used below to stop build files
101# from those directories being included.  This only works if the configure is
102# not done in the source directory!
103EXTRA_DIST= \
104	ANNOUNCE CHANGES INSTALL LICENSE README TODO \
105	pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
106	${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
107	$(TESTS) $(XFAIL_TESTS) tests/pngstest \
108	CMakeLists.txt example.c libpng-manual.txt
109
110SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk scripts/pnglibconf.dfn
111
112CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
113	libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
114	check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \
115	$(SCRIPT_CLEANFILES)
116
117MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
118config.sub configure depcomp install-sh ltmain.sh missing
119
120# PNG_COPTS give extra options for the C compiler to be used on all compilation
121# steps (unless targe_CFLAGS is specified; that will take precedence over
122# AM_CFLAGS)
123PNG_COPTS = @PNG_COPTS@
124AM_CFLAGS = ${PNG_COPTS}
125
126# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
127# other operating systems (NeXT?) the C preprocessor selected by configure
128# checks input tokens for validity - effectively it performs part of the ANSI-C
129# parsing - and therefore fails with the .df files.  configure.ac has special
130# checks for this and sets DFNCPP appropriately.
131DFNCPP = @DFNCPP@
132
133SUFFIXES = .chk .dfn .out
134
135$(PNGLIB_BASENAME).pc: libpng.pc
136	cp libpng.pc $@
137
138$(PNGLIB_BASENAME)-config: libpng-config
139	cp libpng-config $@
140
141scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
142scripts/prefix.out: png.h pngconf.h pnglibconf.out
143scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
144scripts/intprefix.out: pnglibconf.h
145
146libpng.sym: scripts/sym.out
147	rm -f $@
148	cp $? $@
149libpng.vers: scripts/vers.out
150	rm -f $@
151	cp $? $@
152
153if DO_PNG_PREFIX
154# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
155# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
156# implementation of the macro).
157pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
158	rm -f $@
159	$(AWK) 's==0 && NR>1{print prev}\
160	   s==0{prev=$$0}\
161	   s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
162	   s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
163	   END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
164	   s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
165	mv pnglibconf.tf8 $@
166
167pngprefix.h: scripts/intprefix.out
168	rm -f pngprefix.tf1
169	$(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
170	mv pngprefix.tf1 $@
171else
172pnglibconf.h: pnglibconf.out
173	rm -f $@
174	cp $? $@
175
176pngprefix.h: # is empty
177	:>$@
178endif
179
180$(srcdir)/scripts/pnglibconf.h.prebuilt:
181	@echo "Attempting to build $@" >&2
182	@echo "This is a machine generated file, but if you want to make" >&2
183	@echo "a new one simply make 'scripts/pnglibconf.out' and copy that" >&2
184	@exit 1
185
186# The following is necessary to ensure that the local pnglibconf.h is used, not
187# an installed one (this can happen immediately after on a clean system if
188# 'make test' is the first thing the user does.)
189contrib/libtests/pngstest.o contrib/libtests/pngvalid.o pngtest.o: pnglibconf.h
190contrib/libtests/pngunknown.o: pnglibconf.h
191
192# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
193# be built with PNG_USE_READ_MACROS; this prevents the read macros from
194# interfering with the symbol file format.
195SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
196		-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
197		-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
198		-DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
199
200if DO_PNG_PREFIX
201SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
202endif
203
204.dfn.out:
205	rm -f $@ $*.c $*.tf[12]
206	test -d scripts || mkdir scripts || test -d scripts
207	echo '#include "$<"' >$*.c
208	$(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
209	    $(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1
210	$(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
211	rm -f $*.c $*.tf1
212	mv $*.tf2 $@
213
214# The .dfn file for pnglibconf.h is machine generated
215pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
216	rm -f $@ $*.tf[45]
217	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
218	    ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
219	    ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
220	$(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
221	rm $*.tf4
222	mv $*.tf5 $@
223
224# Symbol checks (.def and .out files should match)
225scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
226
227.out.chk:
228	rm -f $@ $*.new
229	$(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
230	    of="$*.new" $< >&2
231	mv $*.new $@
232
233# used on demand to regenerate the standard header, CPPFLAGS should
234# be empty - no non-standard defines
235scripts/pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
236	rm -f $@ pnglibconf.tf[67]
237	test -z "$(CPPFLAGS)"
238	echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
239	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
240	    logunsupported=1 version=search ${srcdir}/pngconf.h -\
241	    ${srcdir}/scripts/pnglibconf.dfa 1>&2
242	$(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
243	    pnglibconf.tf6 1>&2
244	rm pnglibconf.tf6
245	mv pnglibconf.tf7 $@
246
247$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
248	pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
249
250test: check-am
251
252# Extra checks
253check: scripts/symbols.chk
254
255# Don't distribute the generated script files
256dist-hook:
257	cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
258
259# install the .../include headers as links to the new ones
260install-data-hook:
261	cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.h
262	cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
263	cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pngconf.h \
264		pngconf.h
265	cd '$(DESTDIR)$(includedir)'; $(LN_S) $(PNGLIB_BASENAME)/pnglibconf.h \
266		pnglibconf.h
267	cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc
268	cd '$(DESTDIR)$(pkgconfigdir)'; $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
269
270# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ to be used
271install-exec-hook:
272	cd '$(DESTDIR)$(bindir)'; rm -f libpng-config
273	cd '$(DESTDIR)$(bindir)';\
274	   $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
275	@set -x;\
276	cd '$(DESTDIR)$(libdir)';\
277	for ext in a la so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@\
278	   sl dylib dll.a; do\
279		rm -f libpng.$$ext;\
280                if test -f $(PNGLIB_BASENAME).$$ext; then\
281                       $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
282                fi;\
283	done
284
285uninstall-hook:
286	cd '$(DESTDIR)$(includedir)'; rm -f png.h pngconf.h pnglibconf.h
287	rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
288	rm -f '$(DESTDIR)$(bindir)/libpng-config'
289	rm -f '$(DESTDIR)$(libdir)/libpng.a'
290	rm -f '$(DESTDIR)$(libdir)/libpng.la'
291	rm -f '$(DESTDIR)$(libdir)/libpng.so'
292	rm -f '$(DESTDIR)$(libdir)/libpng.so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@'
293	rm -f '$(DESTDIR)$(libdir)/libpng.sl'
294	rm -f '$(DESTDIR)$(libdir)/libpng.dylib'
295	rm -f '$(DESTDIR)$(libdir)/libpng.dll.a'
296