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-interlace-size\
55 tests/pngvalid-progressive-interlace-standard\
56 tests/pngvalid-progressive-interlace-transform\
57 tests/pngvalid-progressive-standard tests/pngvalid-standard\
58 tests/pngstest-0g01 tests/pngstest-0g02 tests/pngstest-0g04\
59 tests/pngstest-0g08 tests/pngstest-0g16 tests/pngstest-2c08\
60 tests/pngstest-2c16 tests/pngstest-3p01 tests/pngstest-3p02\
61 tests/pngstest-3p04 tests/pngstest-3p08 tests/pngstest-4a08\
62 tests/pngstest-4a16 tests/pngstest-6a08 tests/pngstest-6a16\
63 tests/pngstest-error tests/pngunknown-IDAT\
64 tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
65 tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg\
66 tests/pngimage-quick tests/pngimage-full
68 # These tests are expected, and required, to fail:
69 XFAIL_TESTS = tests/pngstest-error
72 dist_man_MANS= libpng.3 libpngpf.3 png.5
74 # generate the -config scripts if required
75 binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
76 EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
77 bin_SCRIPTS= @binconfigs@
79 # rules to build libpng, only build the old library on request
80 lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
81 # EXTRA_LTLIBRARIES= libpng.la
82 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
83 pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
84 pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
85 png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
88 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
89 arm/filter_neon.S arm/filter_neon_intrinsics.c
92 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
94 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
95 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
97 if HAVE_LD_VERSION_SCRIPT
98 # Versioned symbols and restricted exports
100 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
102 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
105 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
107 # Only restricted exports when possible
108 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
109 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
112 #distribute headers in /usr/include/libpng/*
113 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
114 pkginclude_HEADERS= png.h pngconf.h
115 nodist_pkginclude_HEADERS= pnglibconf.h
117 # pkg-config stuff, note that libpng.pc is always required in order
118 # to get the correct library
119 pkgconfigdir = @pkgconfigdir@
120 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
122 # Extra source distribution files, '${srcdir}' is used below to stop build files
123 # from those directories being included. This only works if the configure is
124 # not done in the source directory!
126 ANNOUNCE CHANGES INSTALL LICENSE README TODO \
127 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
128 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
129 $(TESTS) $(XFAIL_TESTS) tests/pngstest \
130 CMakeLists.txt example.c libpng-manual.txt
132 SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
134 CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
135 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
136 check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \
137 pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \
140 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
141 config.sub configure depcomp install-sh ltmain.sh missing
143 # PNG_COPTS give extra options for the C compiler to be used on all compilation
144 # steps (unless targe_CFLAGS is specified; that will take precedence over
146 PNG_COPTS = @PNG_COPTS@
147 AM_CFLAGS = ${PNG_COPTS}
149 # DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
150 # other operating systems (NeXT?) the C preprocessor selected by configure
151 # checks input tokens for validity - effectively it performs part of the ANSI-C
152 # parsing - and therefore fails with the .df files. configure.ac has special
153 # checks for this and sets DFNCPP appropriately.
158 $(PNGLIB_BASENAME).pc: libpng.pc
161 $(PNGLIB_BASENAME)-config: libpng-config
164 scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
165 scripts/prefix.out: png.h pngconf.h pnglibconf.out
166 scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
167 scripts/intprefix.out: pnglibconf.h
169 libpng.sym: scripts/sym.out
172 libpng.vers: scripts/vers.out
177 # Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
178 # Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
179 # implementation of the macro).
180 pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
182 $(AWK) 's==0 && NR>1{print prev}\
184 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
185 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
186 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
187 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
190 pngprefix.h: scripts/intprefix.out
192 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
195 pnglibconf.h: pnglibconf.out
199 pngprefix.h: # is empty
203 $(srcdir)/scripts/pnglibconf.h.prebuilt:
204 @echo "Attempting to build $@" >&2
205 @echo "This is a machine generated file, but if you want to make" >&2
206 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
207 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
210 # The following is necessary to ensure that the local pnglibconf.h is used, not
211 # an installed one (this can happen immediately after on a clean system if
212 # 'make test' is the first thing the user does.) Only files which include
213 # one of the png source files (typically png.h or pngpriv.h) need to be listed
215 pngtest.o: pnglibconf.h
217 contrib/libtests/makepng.o: pnglibconf.h
218 contrib/libtests/pngstest.o: pnglibconf.h
219 contrib/libtests/pngunknown.o: pnglibconf.h
220 contrib/libtests/pngimage.o: pnglibconf.h
221 contrib/libtests/pngvalid.o: pnglibconf.h
222 contrib/libtests/readpng.o: pnglibconf.h
223 contrib/libtests/tarith.o: pnglibconf.h
224 contrib/libtests/timepng.o: pnglibconf.h
226 contrib/tools/makesRGB.o: pnglibconf.h
227 contrib/tools/pngfix.o: pnglibconf.h
229 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
230 # be built with PNG_USE_READ_MACROS; this prevents the read macros from
231 # interfering with the symbol file format.
232 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
233 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\
234 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
235 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
238 SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
243 test -d scripts || mkdir scripts || test -d scripts
244 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
245 $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1
246 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
250 # The .c file for pnglibconf.h is machine generated
251 pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
253 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
254 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
255 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
256 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
260 # Symbol checks (.def and .out files should match)
261 scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
265 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
269 # used on demand to regenerate the standard header, CPPFLAGS should
270 # be empty - no non-standard defines
271 scripts/pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
272 rm -f $@ pnglibconf.tf[67]
273 test -z "$(CPPFLAGS)"
274 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
275 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
276 logunsupported=1 version=search ${srcdir}/pngconf.h -\
277 ${srcdir}/scripts/pnglibconf.dfa 1>&2
278 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
283 $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
284 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
289 check: scripts/symbols.chk
291 # Don't distribute the generated script files
293 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
295 # Make links between installed files with release-specific names and the generic
296 # file names. If this install rule is run the generic names will be deleted and
297 # recreated - this has obvious issues for systems with multiple installations.
299 install-header-links:
300 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
301 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
303 uninstall-header-links:
304 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
307 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
308 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
311 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
313 # EXT_LIST is a list of the possibly library directory extensions, this exists
314 # because we can't find a good way of discovering the file extensions that are
315 # actually installed on a given system, so instead we check for every extension
318 EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
320 install-library-links:
321 @set -x; cd '$(DESTDIR)$(libdir)';\
322 for ext in $(EXT_LIST); do\
323 rm -f "libpng.$$ext";\
324 if test -f "$(PNGLIB_BASENAME).$$ext"; then\
325 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\
329 uninstall-library-links:
330 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
331 rm -f "libpng.$$ext"; done
333 install-libpng-config:
334 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
335 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
337 uninstall-libpng-config:
338 rm -f '$(DESTDIR)$(bindir)/libpng-config'
341 # If --enable-unversioned-links is specified the header and lib file links
342 # will be automatically made on a 'make install':
344 install-data-hook: install-header-links
345 uninstall-hook: uninstall-header-links
346 install-exec-hook: install-library-links
347 uninstall-hook: uninstall-library-links
350 if DO_INSTALL_LIBPNG_PC
351 # Likewise, --install-pc causes libpng.pc to be constructed:
353 install-data-hook: install-libpng-pc
354 uninstall-hook: uninstall-libpng-pc
357 if DO_INSTALL_LIBPNG_CONFIG
358 # And --install-config:
360 install-exec-hook: install-libpng-config
361 uninstall-hook: uninstall-libpng-config
364 # The following addition ensures that 'make all' always builds the test programs
365 # too. It used to, but some change either in libpng or configure stopped this
367 all-am: $(check_PROGRAMS)