2 # Source file for Makefile.in (and hence Makefile)
5 PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
7 ACLOCAL_AMFLAGS = -I scripts
9 # test programs - run on make check, make distcheck
10 check_PROGRAMS= pngtest pngunknown pngstest pngvalid
12 # Utilities - installed
13 bin_PROGRAMS= pngfix png-fix-itxt
15 # This ensures that pnglibconf.h gets built at the start of 'make all' or
16 # 'make check', but it does not add dependencies to the individual programs,
19 # IMPORTANT: always add the object modules of new programs to the list below
20 # because otherwise the sequence 'configure; make new-program' will *sometimes*
21 # result in the installed (system) pnglibconf.h being used and the result is
22 # always wrong and always very confusing.
23 BUILT_SOURCES = pnglibconf.h
25 pngtest_SOURCES = pngtest.c
26 pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
28 pngvalid_SOURCES = contrib/libtests/pngvalid.c
29 pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
31 pngstest_SOURCES = contrib/libtests/pngstest.c
32 pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
34 pngunknown_SOURCES = contrib/libtests/pngunknown.c
35 pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
37 pngfix_SOURCES = contrib/tools/pngfix.c
38 pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
40 png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c
42 # Generally these are single line shell scripts to run a test with a particular
46 tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
47 tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
48 tests/pngvalid-gamma-expand16-background\
49 tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
50 tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
51 tests/pngvalid-progressive-interlace-size\
52 tests/pngvalid-progressive-interlace-standard\
53 tests/pngvalid-progressive-interlace-transform\
54 tests/pngvalid-progressive-standard tests/pngvalid-standard\
55 tests/pngstest-0g01 tests/pngstest-0g02 tests/pngstest-0g04\
56 tests/pngstest-0g08 tests/pngstest-0g16 tests/pngstest-2c08\
57 tests/pngstest-2c16 tests/pngstest-3p01 tests/pngstest-3p02\
58 tests/pngstest-3p04 tests/pngstest-3p08 tests/pngstest-4a08\
59 tests/pngstest-4a16 tests/pngstest-6a08 tests/pngstest-6a16\
60 tests/pngstest-error tests/pngunknown-IDAT\
61 tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
62 tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg
64 # These tests are expected, and required, to fail:
65 XFAIL_TESTS = tests/pngstest-error
68 dist_man_MANS= libpng.3 libpngpf.3 png.5
70 # generate the -config scripts if required
71 binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
72 EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
73 bin_SCRIPTS= @binconfigs@
75 # rules to build libpng, only build the old library on request
76 lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
77 # EXTRA_LTLIBRARIES= libpng.la
78 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
79 pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
80 pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
81 png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
84 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
85 arm/filter_neon.S arm/filter_neon_intrinsics.c
88 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
90 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
91 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
93 if HAVE_LD_VERSION_SCRIPT
94 # Versioned symbols and restricted exports
96 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
98 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
101 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
103 # Only restricted exports when possible
104 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
105 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
108 #distribute headers in /usr/include/libpng/*
109 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
110 pkginclude_HEADERS= png.h pngconf.h
111 nodist_pkginclude_HEADERS= pnglibconf.h
113 # pkg-config stuff, note that libpng.pc is always required in order
114 # to get the correct library
115 pkgconfigdir = @pkgconfigdir@
116 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
118 # Extra source distribution files, '${srcdir}' is used below to stop build files
119 # from those directories being included. This only works if the configure is
120 # not done in the source directory!
122 ANNOUNCE CHANGES INSTALL LICENSE README TODO \
123 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
124 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
125 $(TESTS) $(XFAIL_TESTS) tests/pngstest \
126 CMakeLists.txt example.c libpng-manual.txt
128 SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk scripts/pnglibconf.dfn
130 CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
131 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
132 check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \
135 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
136 config.sub configure depcomp install-sh ltmain.sh missing
138 # PNG_COPTS give extra options for the C compiler to be used on all compilation
139 # steps (unless targe_CFLAGS is specified; that will take precedence over
141 PNG_COPTS = @PNG_COPTS@
142 AM_CFLAGS = ${PNG_COPTS}
144 # DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
145 # other operating systems (NeXT?) the C preprocessor selected by configure
146 # checks input tokens for validity - effectively it performs part of the ANSI-C
147 # parsing - and therefore fails with the .df files. configure.ac has special
148 # checks for this and sets DFNCPP appropriately.
151 SUFFIXES = .chk .dfn .out
153 $(PNGLIB_BASENAME).pc: libpng.pc
156 $(PNGLIB_BASENAME)-config: libpng-config
159 scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
160 scripts/prefix.out: png.h pngconf.h pnglibconf.out
161 scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
162 scripts/intprefix.out: pnglibconf.h
164 libpng.sym: scripts/sym.out
167 libpng.vers: scripts/vers.out
172 # Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
173 # Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
174 # implementation of the macro).
175 pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
177 $(AWK) 's==0 && NR>1{print prev}\
179 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
180 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
181 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
182 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
185 pngprefix.h: scripts/intprefix.out
187 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
190 pnglibconf.h: pnglibconf.out
194 pngprefix.h: # is empty
198 $(srcdir)/scripts/pnglibconf.h.prebuilt:
199 @echo "Attempting to build $@" >&2
200 @echo "This is a machine generated file, but if you want to make" >&2
201 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
202 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
205 # The following is necessary to ensure that the local pnglibconf.h is used, not
206 # an installed one (this can happen immediately after on a clean system if
207 # 'make test' is the first thing the user does.) Only files which include
208 # one of the png source files (typically png.h or pngpriv.h) need to be listed
210 pngtest.o: pnglibconf.h
212 contrib/libtests/makepng.o: pnglibconf.h
213 contrib/libtests/pngstest.o: pnglibconf.h
214 contrib/libtests/pngunknown.o: pnglibconf.h
215 contrib/libtests/pngvalid.o: pnglibconf.h
216 contrib/libtests/readpng.o: pnglibconf.h
217 contrib/libtests/tarith.o: pnglibconf.h
218 contrib/libtests/timepng.o: pnglibconf.h
220 contrib/tools/makesRGB.o: pnglibconf.h
221 contrib/tools/pngfix.o: pnglibconf.h
223 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
224 # be built with PNG_USE_READ_MACROS; this prevents the read macros from
225 # interfering with the symbol file format.
226 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
227 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\
228 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
229 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
232 SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
236 rm -f $@ $*.c $*.tf[12]
237 test -d scripts || mkdir scripts || test -d scripts
238 echo '#include "$<"' >$*.c
239 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
240 $(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1
241 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
245 # The .dfn file for pnglibconf.h is machine generated
246 pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
248 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
249 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
250 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
251 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
255 # Symbol checks (.def and .out files should match)
256 scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
260 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
264 # used on demand to regenerate the standard header, CPPFLAGS should
265 # be empty - no non-standard defines
266 scripts/pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
267 rm -f $@ pnglibconf.tf[67]
268 test -z "$(CPPFLAGS)"
269 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
270 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
271 logunsupported=1 version=search ${srcdir}/pngconf.h -\
272 ${srcdir}/scripts/pnglibconf.dfa 1>&2
273 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
278 $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
279 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
284 check: scripts/symbols.chk
286 # Don't distribute the generated script files
288 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
290 # Make links between installed files with release-specific names and the generic
291 # file names. If this install rule is run the generic names will be deleted and
292 # recreated - this has obvious issues for systems with multiple installations.
294 install-header-links:
295 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
296 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
298 uninstall-header-links:
299 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
302 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
303 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
306 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
308 # EXT_LIST is a list of the possibly library directory extensions, this exists
309 # because we can't find a good way of discovering the file extensions that are
310 # actually installed on a given system, so instead we check for every extension
313 EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
315 install-library-links:
316 @set -x; cd '$(DESTDIR)$(libdir)';\
317 for ext in $(EXT_LIST); do\
318 rm -f "libpng.$$ext";\
319 if test -f "$(PNGLIB_BASENAME).$$ext"; then\
320 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\
324 uninstall-library-links:
325 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
326 rm -f "libpng.$$ext"; done
328 install-libpng-config:
329 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
330 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
332 uninstall-libpng-config:
333 rm -f '$(DESTDIR)$(bindir)/libpng-config'
336 # If --enable-unversioned-links is specified the header and lib file links
337 # will be automatically made on a 'make install':
339 install-data-hook: install-header-links
340 uninstall-hook: uninstall-header-links
341 install-exec-hook: install-library-links
342 uninstall-hook: uninstall-library-links
345 if DO_INSTALL_LIBPNG_PC
346 # Likewise, --install-pc causes libpng.pc to be constructed:
348 install-data-hook: install-libpng-pc
349 uninstall-hook: uninstall-libpng-pc
352 if DO_INSTALL_LIBPNG_CONFIG
353 # And --install-config:
355 install-exec-hook: install-libpng-config
356 uninstall-hook: uninstall-libpng-config
359 # The following addition ensures that 'make all' always builds the test programs
360 # too. It used to, but some change either in libpng or configure stopped this
362 all-am: $(check_PROGRAMS)