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 pngimage
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 pngimage_SOURCES = contrib/libtests/pngimage.c
38 pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
40 pngfix_SOURCES = contrib/tools/pngfix.c
41 pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
43 png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c
45 # Generally these are single line shell scripts to run a test with a particular
49 tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
50 tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
51 tests/pngvalid-gamma-expand16-background\
52 tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
53 tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
54 tests/pngvalid-progressive-size\
55 tests/pngvalid-progressive-interlace-standard\
56 tests/pngvalid-transform\
57 tests/pngvalid-progressive-standard tests/pngvalid-standard\
58 tests/pngstest-1.8 tests/pngstest-1.8-alpha tests/pngstest-linear\
59 tests/pngstest-linear-alpha tests/pngstest-none tests/pngstest-none-alpha\
60 tests/pngstest-sRGB tests/pngstest-sRGB-alpha tests/pngunknown-IDAT\
61 tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
62 tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg\
63 tests/pngimage-quick tests/pngimage-full
66 dist_man_MANS= libpng.3 libpngpf.3 png.5
68 # generate the -config scripts if required
69 binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
70 EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
71 bin_SCRIPTS= @binconfigs@
73 # rules to build libpng, only build the old library on request
74 lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
75 # EXTRA_LTLIBRARIES= libpng.la
76 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
77 pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
78 pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
79 png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
82 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
83 arm/filter_neon.S arm/filter_neon_intrinsics.c
86 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
88 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
89 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
91 if HAVE_LD_VERSION_SCRIPT
92 # Versioned symbols and restricted exports
94 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
96 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
99 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
101 # Only restricted exports when possible
102 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
103 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
106 #distribute headers in /usr/include/libpng/*
107 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
108 pkginclude_HEADERS= png.h pngconf.h
109 nodist_pkginclude_HEADERS= pnglibconf.h
111 # pkg-config stuff, note that libpng.pc is always required in order
112 # to get the correct library
113 pkgconfigdir = @pkgconfigdir@
114 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
116 # Extra source distribution files, '${srcdir}' is used below to stop build files
117 # from those directories being included. This only works if the configure is
118 # not done in the source directory!
120 ANNOUNCE CHANGES INSTALL LICENSE README TODO \
121 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
122 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
123 $(TESTS) $(XFAIL_TESTS) tests/pngstest \
124 CMakeLists.txt example.c libpng-manual.txt
126 SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
128 CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
129 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
130 check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \
131 pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \
134 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
135 config.sub configure depcomp install-sh ltmain.sh missing
137 # PNG_COPTS give extra options for the C compiler to be used on all compilation
138 # steps (unless targe_CFLAGS is specified; that will take precedence over
140 PNG_COPTS = @PNG_COPTS@
141 AM_CFLAGS = ${PNG_COPTS}
143 # DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
144 # other operating systems (NeXT?) the C preprocessor selected by configure
145 # checks input tokens for validity - effectively it performs part of the ANSI-C
146 # parsing - and therefore fails with the .df files. configure.ac has special
147 # checks for this and sets DFNCPP appropriately.
152 $(PNGLIB_BASENAME).pc: libpng.pc
155 $(PNGLIB_BASENAME)-config: libpng-config
158 scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
159 scripts/prefix.out: png.h pngconf.h pnglibconf.out
160 scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
161 scripts/intprefix.out: pnglibconf.h
163 libpng.sym: scripts/sym.out
166 libpng.vers: scripts/vers.out
171 # Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
172 # Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
173 # implementation of the macro).
174 pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
176 $(AWK) 's==0 && NR>1{print prev}\
178 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
179 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
180 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
181 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
184 pngprefix.h: scripts/intprefix.out
186 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
189 pnglibconf.h: pnglibconf.out
193 pngprefix.h: # is empty
197 $(srcdir)/scripts/pnglibconf.h.prebuilt:
198 @echo "Attempting to build $@" >&2
199 @echo "This is a machine generated file, but if you want to make" >&2
200 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
201 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
204 # The following is necessary to ensure that the local pnglibconf.h is used, not
205 # an installed one (this can happen immediately after on a clean system if
206 # 'make test' is the first thing the user does.) Only files which include
207 # one of the png source files (typically png.h or pngpriv.h) need to be listed
209 pngtest.o: pnglibconf.h
211 contrib/libtests/makepng.o: pnglibconf.h
212 contrib/libtests/pngstest.o: pnglibconf.h
213 contrib/libtests/pngunknown.o: pnglibconf.h
214 contrib/libtests/pngimage.o: pnglibconf.h
215 contrib/libtests/pngvalid.o: pnglibconf.h
216 contrib/libtests/readpng.o: pnglibconf.h
217 contrib/libtests/tarith.o: pnglibconf.h
218 contrib/libtests/timepng.o: pnglibconf.h
220 contrib/tools/makesRGB.o: pnglibconf.h
221 contrib/tools/pngfix.o: pnglibconf.h
223 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
224 # be built with PNG_USE_READ_MACROS; this prevents the read macros from
225 # interfering with the symbol file format.
226 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
227 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\
228 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
229 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
232 SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
237 test -d scripts || mkdir scripts || test -d scripts
238 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
239 $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1
240 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
244 # The .c file for pnglibconf.h is machine generated
245 pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
247 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
248 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
249 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
250 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
254 # Symbol checks (.def and .out files should match)
255 scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
259 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
263 # used on demand to regenerate the standard header, CPPFLAGS should
264 # be empty - no non-standard defines
265 scripts/pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
266 rm -f $@ pnglibconf.tf[67]
267 test -z "$(CPPFLAGS)"
268 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
269 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
270 logunsupported=1 version=search ${srcdir}/pngconf.h -\
271 ${srcdir}/scripts/pnglibconf.dfa 1>&2
272 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
277 $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
278 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
283 check: scripts/symbols.chk
285 # Don't distribute the generated script files
287 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
289 # Make links between installed files with release-specific names and the generic
290 # file names. If this install rule is run the generic names will be deleted and
291 # recreated - this has obvious issues for systems with multiple installations.
293 install-header-links:
294 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
295 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
297 uninstall-header-links:
298 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
301 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
302 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
305 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
307 # EXT_LIST is a list of the possibly library directory extensions, this exists
308 # because we can't find a good way of discovering the file extensions that are
309 # actually installed on a given system, so instead we check for every extension
312 EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
314 install-library-links:
315 @set -x; cd '$(DESTDIR)$(libdir)';\
316 for ext in $(EXT_LIST); do\
317 rm -f "libpng.$$ext";\
318 if test -f "$(PNGLIB_BASENAME).$$ext"; then\
319 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\
323 uninstall-library-links:
324 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
325 rm -f "libpng.$$ext"; done
327 install-libpng-config:
328 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
329 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
331 uninstall-libpng-config:
332 rm -f '$(DESTDIR)$(bindir)/libpng-config'
335 # If --enable-unversioned-links is specified the header and lib file links
336 # will be automatically made on a 'make install':
338 install-data-hook: install-header-links
339 uninstall-hook: uninstall-header-links
340 install-exec-hook: install-library-links
341 uninstall-hook: uninstall-library-links
344 if DO_INSTALL_LIBPNG_PC
345 # Likewise, --install-pc causes libpng.pc to be constructed:
347 install-data-hook: install-libpng-pc
348 uninstall-hook: uninstall-libpng-pc
351 if DO_INSTALL_LIBPNG_CONFIG
352 # And --install-config:
354 install-exec-hook: install-libpng-config
355 uninstall-hook: uninstall-libpng-config
358 # The following addition ensures that 'make all' always builds the test programs
359 # too. It used to, but some change either in libpng or configure stopped this
361 all-am: $(check_PROGRAMS)