1 # Makefile.am, the source file for Makefile.in (and hence Makefile), is
3 # Copyright (c) 2018 Cosmin Truta
4 # Copyright (c) 2004-2016 Glenn Randers-Pehrson
6 # This code is released under the libpng license.
7 # For conditions of distribution and use, see the disclaimer
10 PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
12 ACLOCAL_AMFLAGS = -I scripts
14 # test programs - run on make check, make distcheck
15 check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage pngcp
17 check_PROGRAMS += timepng
20 # Utilities - installed
21 bin_PROGRAMS= pngfix png-fix-itxt
23 # This ensures that pnglibconf.h gets built at the start of 'make all' or
24 # 'make check', but it does not add dependencies to the individual programs,
27 # IMPORTANT: always add the object modules of new programs to the list below
28 # because otherwise the sequence 'configure; make new-program' will *sometimes*
29 # result in the installed (system) pnglibconf.h being used and the result is
30 # always wrong and always very confusing.
31 BUILT_SOURCES = pnglibconf.h
33 pngtest_SOURCES = pngtest.c
34 pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
36 pngvalid_SOURCES = contrib/libtests/pngvalid.c
37 pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
39 pngstest_SOURCES = contrib/libtests/pngstest.c
40 pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
42 pngunknown_SOURCES = contrib/libtests/pngunknown.c
43 pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
45 pngimage_SOURCES = contrib/libtests/pngimage.c
46 pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
48 timepng_SOURCES = contrib/libtests/timepng.c
49 timepng_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
51 pngfix_SOURCES = contrib/tools/pngfix.c
52 pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
54 png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c
56 pngcp_SOURCES = contrib/tools/pngcp.c
57 pngcp_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
59 # Generally these are single line shell scripts to run a test with a particular
63 tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
64 tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
65 tests/pngvalid-gamma-expand16-background\
66 tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
67 tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
68 tests/pngvalid-progressive-size\
69 tests/pngvalid-progressive-interlace-standard\
70 tests/pngvalid-transform\
71 tests/pngvalid-progressive-standard tests/pngvalid-standard\
72 tests/pngstest-1.8 tests/pngstest-1.8-alpha tests/pngstest-linear\
73 tests/pngstest-linear-alpha tests/pngstest-none tests/pngstest-none-alpha\
74 tests/pngstest-sRGB tests/pngstest-sRGB-alpha tests/pngunknown-IDAT\
75 tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
76 tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg\
77 tests/pngimage-quick tests/pngimage-full
80 dist_man_MANS= libpng.3 libpngpf.3 png.5
82 # generate the -config scripts if required
83 binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
84 EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
85 bin_SCRIPTS= @binconfigs@
87 # rules to build libpng, only build the old library on request
88 lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
89 # EXTRA_LTLIBRARIES= libpng.la
90 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
91 pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
92 pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
93 png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
96 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
97 arm/filter_neon.S arm/filter_neon_intrinsics.c \
98 arm/palette_neon_intrinsics.c
102 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += mips/mips_init.c\
103 mips/filter_msa_intrinsics.c
107 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += intel/intel_init.c\
108 intel/filter_sse2_intrinsics.c
112 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += powerpc/powerpc_init.c\
113 powerpc/filter_vsx_intrinsics.c
116 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
118 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
119 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
121 if HAVE_LD_VERSION_SCRIPT
122 # Versioned symbols and restricted exports
124 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
126 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
129 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
131 # Only restricted exports when possible
132 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
133 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
136 #distribute headers in /usr/include/libpng/*
137 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
138 pkginclude_HEADERS= png.h pngconf.h
139 nodist_pkginclude_HEADERS= pnglibconf.h
141 # pkg-config stuff, note that libpng.pc is always required in order
142 # to get the correct library
143 pkgconfigdir = @pkgconfigdir@
144 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
146 # Extra source distribution files, '${srcdir}' is used below to stop build files
147 # from those directories being included. This only works if the configure is
148 # not done in the source directory!
150 ANNOUNCE AUTHORS CHANGES INSTALL LICENSE README TODO TRADEMARK \
151 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
152 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
153 $(TESTS) $(XFAIL_TESTS) tests/pngstest \
154 CMakeLists.txt example.c libpng-manual.txt
156 SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
158 CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
159 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
160 check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \
161 pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \
164 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
165 config.sub configure depcomp install-sh ltmain.sh missing
167 # PNG_COPTS give extra options for the C compiler to be used on all compilation
168 # steps (unless targe_CFLAGS is specified; that will take precedence over
170 PNG_COPTS = @PNG_COPTS@
171 AM_CFLAGS = ${PNG_COPTS}
173 # DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
174 # other operating systems (NeXT?) the C preprocessor selected by configure
175 # checks input tokens for validity - effectively it performs part of the ANSI-C
176 # parsing - and therefore fails with the .df files. configure.ac has special
177 # checks for this and sets DFNCPP appropriately.
182 $(PNGLIB_BASENAME).pc: libpng.pc
185 $(PNGLIB_BASENAME)-config: libpng-config
188 scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
189 scripts/prefix.out: png.h pngconf.h pnglibconf.out
190 scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
191 scripts/intprefix.out: pnglibconf.h
193 libpng.sym: scripts/sym.out
196 libpng.vers: scripts/vers.out
201 # Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
202 # Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
203 # implementation of the macro).
204 pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
206 $(AWK) 's==0 && NR>1{print prev}\
208 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
209 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
210 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
211 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
214 pngprefix.h: scripts/intprefix.out
216 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
219 pnglibconf.h: pnglibconf.out
223 pngprefix.h: # is empty
227 $(srcdir)/scripts/pnglibconf.h.prebuilt:
228 @echo "Attempting to build $@" >&2
229 @echo "This is a machine generated file, but if you want to make" >&2
230 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
231 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
234 # The following is necessary to ensure that the local pnglibconf.h is used, not
235 # an installed one (this can happen immediately after on a clean system if
236 # 'make test' is the first thing the user does.) Only files which include
237 # one of the png source files (typically png.h or pngpriv.h) need to be listed
239 pngtest.o: pnglibconf.h
241 contrib/libtests/makepng.o: pnglibconf.h
242 contrib/libtests/pngstest.o: pnglibconf.h
243 contrib/libtests/pngunknown.o: pnglibconf.h
244 contrib/libtests/pngimage.o: pnglibconf.h
245 contrib/libtests/pngvalid.o: pnglibconf.h
246 contrib/libtests/readpng.o: pnglibconf.h
247 contrib/libtests/tarith.o: pnglibconf.h
248 contrib/libtests/timepng.o: pnglibconf.h
250 contrib/tools/makesRGB.o: pnglibconf.h
251 contrib/tools/pngfix.o: pnglibconf.h
252 contrib/tools/pngcp.o: pnglibconf.h
254 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
255 # be built with PNG_USE_READ_MACROS; this prevents the read macros from
256 # interfering with the symbol file format.
257 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
258 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\
259 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
260 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
263 SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
268 test -d scripts || mkdir scripts || test -d scripts
269 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
270 $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1
271 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
275 # The .c file for pnglibconf.h is machine generated
276 pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
278 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
279 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
280 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
281 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
285 # Symbol checks (.def and .out files should match)
286 scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
290 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
294 # used on demand to regenerate the standard header, CPPFLAGS should
295 # be empty - no non-standard defines
296 scripts/pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
297 rm -f $@ pnglibconf.tf[67]
298 test -z "$(CPPFLAGS)"
299 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
300 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
301 logunsupported=1 version=search ${srcdir}/pngconf.h -\
302 ${srcdir}/scripts/pnglibconf.dfa 1>&2
303 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
308 $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
309 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
314 check: scripts/symbols.chk
316 # Don't distribute the generated script files
318 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
320 # Make links between installed files with release-specific names and the generic
321 # file names. If this install rule is run the generic names will be deleted and
322 # recreated - this has obvious issues for systems with multiple installations.
324 install-header-links:
325 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
326 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
328 uninstall-header-links:
329 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
332 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
333 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
336 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
338 # EXT_LIST is a list of the possibly library directory extensions, this exists
339 # because we can't find a good way of discovering the file extensions that are
340 # actually installed on a given system, so instead we check for every extension
343 EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
345 install-library-links:
346 @set -x; cd '$(DESTDIR)$(libdir)';\
347 for ext in $(EXT_LIST); do\
348 rm -f "libpng.$$ext";\
349 if test -f "$(PNGLIB_BASENAME).$$ext"; then\
350 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\
354 uninstall-library-links:
355 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
356 rm -f "libpng.$$ext"; done
358 install-libpng-config:
359 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
360 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
362 uninstall-libpng-config:
363 rm -f '$(DESTDIR)$(bindir)/libpng-config'
366 # If --enable-unversioned-links is specified the header and lib file links
367 # will be automatically made on a 'make install':
369 install-data-hook: install-header-links
370 uninstall-hook: uninstall-header-links
371 install-exec-hook: install-library-links
372 uninstall-hook: uninstall-library-links
375 if DO_INSTALL_LIBPNG_PC
376 # Likewise, --install-pc causes libpng.pc to be constructed:
378 install-data-hook: install-libpng-pc
379 uninstall-hook: uninstall-libpng-pc
382 if DO_INSTALL_LIBPNG_CONFIG
383 # And --install-config:
385 install-exec-hook: install-libpng-config
386 uninstall-hook: uninstall-libpng-config
389 # The following addition ensures that 'make all' always builds the test programs
390 # too. It used to, but some change either in libpng or configure stopped this
392 all-am: $(check_PROGRAMS)