1 # Makefile.am, the source file for Makefile.in (and hence Makefile), is 2 # 3 # Copyright (c) 2004-2016 Glenn Randers-Pehrson 4 # Last changed in libpng 1.6.25 [September 1, 2016] 5 # 6 # This code is released under the libpng license. 7 # For conditions of distribution and use, see the disclaimer 8 # and license in png.h 9 10 PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ 11 12 ACLOCAL_AMFLAGS = -I scripts 13 14 # test programs - run on make check, make distcheck 15 check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage pngcp 16 if HAVE_CLOCK_GETTIME 17 check_PROGRAMS += timepng 18 endif 19 20 # Utilities - installed 21 bin_PROGRAMS= pngfix png-fix-itxt 22 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, 25 # this is done below. 26 # 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 32 33 pngtest_SOURCES = pngtest.c 34 pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 35 36 pngvalid_SOURCES = contrib/libtests/pngvalid.c 37 pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 38 39 pngstest_SOURCES = contrib/libtests/pngstest.c 40 pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 41 42 pngunknown_SOURCES = contrib/libtests/pngunknown.c 43 pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 44 45 pngimage_SOURCES = contrib/libtests/pngimage.c 46 pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 47 48 timepng_SOURCES = contrib/libtests/timepng.c 49 timepng_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 50 51 pngfix_SOURCES = contrib/tools/pngfix.c 52 pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 53 54 png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c 55 56 pngcp_SOURCES = contrib/tools/pngcp.c 57 pngcp_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 58 59 # Generally these are single line shell scripts to run a test with a particular 60 # set of parameters: 61 TESTS =\ 62 tests/pngtest\ 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 78 79 # man pages 80 dist_man_MANS= libpng.3 libpngpf.3 png.5 81 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@ 86 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 94 95 if PNG_ARM_NEON 96 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\ 97 arm/filter_neon.S arm/filter_neon_intrinsics.c 98 endif 99 100 if PNG_MIPS_MSA 101 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += mips/mips_init.c\ 102 mips/filter_msa_intrinsics.c 103 endif 104 105 if PNG_INTEL_SSE 106 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += contrib/intel/intel_init.c\ 107 contrib/intel/filter_sse2_intrinsics.c 108 endif 109 110 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h 111 112 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \ 113 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0 114 115 if HAVE_LD_VERSION_SCRIPT 116 # Versioned symbols and restricted exports 117 if HAVE_SOLARIS_LD 118 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers 119 else 120 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers 121 endif 122 123 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers 124 else 125 # Only restricted exports when possible 126 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym 127 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym 128 endif 129 130 #distribute headers in /usr/include/libpng/* 131 pkgincludedir= $(includedir)/$(PNGLIB_BASENAME) 132 pkginclude_HEADERS= png.h pngconf.h 133 nodist_pkginclude_HEADERS= pnglibconf.h 134 135 # pkg-config stuff, note that libpng.pc is always required in order 136 # to get the correct library 137 pkgconfigdir = @pkgconfigdir@ 138 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc 139 140 # Extra source distribution files, '${srcdir}' is used below to stop build files 141 # from those directories being included. This only works if the configure is 142 # not done in the source directory! 143 EXTRA_DIST= \ 144 ANNOUNCE CHANGES INSTALL LICENSE README TODO \ 145 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \ 146 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \ 147 $(TESTS) $(XFAIL_TESTS) tests/pngstest \ 148 CMakeLists.txt example.c libpng-manual.txt 149 150 SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk 151 152 CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \ 153 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \ 154 check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \ 155 pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \ 156 $(SCRIPT_CLEANFILES) 157 158 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \ 159 config.sub configure depcomp install-sh ltmain.sh missing 160 161 # PNG_COPTS give extra options for the C compiler to be used on all compilation 162 # steps (unless targe_CFLAGS is specified; that will take precedence over 163 # AM_CFLAGS) 164 PNG_COPTS = @PNG_COPTS@ 165 AM_CFLAGS = ${PNG_COPTS} 166 167 # DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe 168 # other operating systems (NeXT?) the C preprocessor selected by configure 169 # checks input tokens for validity - effectively it performs part of the ANSI-C 170 # parsing - and therefore fails with the .df files. configure.ac has special 171 # checks for this and sets DFNCPP appropriately. 172 DFNCPP = @DFNCPP@ 173 174 SUFFIXES = .chk .out 175 176 $(PNGLIB_BASENAME).pc: libpng.pc 177 cp libpng.pc $@ 178 179 $(PNGLIB_BASENAME)-config: libpng-config 180 cp libpng-config $@ 181 182 scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h 183 scripts/prefix.out: png.h pngconf.h pnglibconf.out 184 scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt 185 scripts/intprefix.out: pnglibconf.h 186 187 libpng.sym: scripts/sym.out 188 rm -f $@ 189 cp $? $@ 190 libpng.vers: scripts/vers.out 191 rm -f $@ 192 cp $? $@ 193 194 if DO_PNG_PREFIX 195 # Rename functions in scripts/prefix.out with a PNG_PREFIX prefix. 196 # Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual 197 # implementation of the macro). 198 pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst 199 rm -f $@ 200 $(AWK) 's==0 && NR>1{print prev}\ 201 s==0{prev=$$0}\ 202 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\ 203 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\ 204 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\ 205 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8 206 mv pnglibconf.tf8 $@ 207 208 pngprefix.h: scripts/intprefix.out 209 rm -f pngprefix.tf1 210 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1 211 mv pngprefix.tf1 $@ 212 else 213 pnglibconf.h: pnglibconf.out 214 rm -f $@ 215 cp $? $@ 216 217 pngprefix.h: # is empty 218 :>$@ 219 endif 220 221 $(srcdir)/scripts/pnglibconf.h.prebuilt: 222 @echo "Attempting to build $@" >&2 223 @echo "This is a machine generated file, but if you want to make" >&2 224 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2 225 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2 226 @exit 1 227 228 # The following is necessary to ensure that the local pnglibconf.h is used, not 229 # an installed one (this can happen immediately after on a clean system if 230 # 'make test' is the first thing the user does.) Only files which include 231 # one of the png source files (typically png.h or pngpriv.h) need to be listed 232 # here: 233 pngtest.o: pnglibconf.h 234 235 contrib/libtests/makepng.o: pnglibconf.h 236 contrib/libtests/pngstest.o: pnglibconf.h 237 contrib/libtests/pngunknown.o: pnglibconf.h 238 contrib/libtests/pngimage.o: pnglibconf.h 239 contrib/libtests/pngvalid.o: pnglibconf.h 240 contrib/libtests/readpng.o: pnglibconf.h 241 contrib/libtests/tarith.o: pnglibconf.h 242 contrib/libtests/timepng.o: pnglibconf.h 243 244 contrib/tools/makesRGB.o: pnglibconf.h 245 contrib/tools/pngfix.o: pnglibconf.h 246 contrib/tools/pngcp.o: pnglibconf.h 247 248 # We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually 249 # be built with PNG_USE_READ_MACROS; this prevents the read macros from 250 # interfering with the symbol file format. 251 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\ 252 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\ 253 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\ 254 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE 255 256 if DO_PNG_PREFIX 257 SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@' 258 endif 259 260 .c.out: 261 rm -f $@ $*.tf[12] 262 test -d scripts || mkdir scripts || test -d scripts 263 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\ 264 $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1 265 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2 266 rm -f $*.tf1 267 mv $*.tf2 $@ 268 269 # The .c file for pnglibconf.h is machine generated 270 pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA) 271 rm -f $@ $*.tf[45] 272 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\ 273 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\ 274 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2 275 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2 276 rm $*.tf4 277 mv $*.tf5 $@ 278 279 # Symbol checks (.def and .out files should match) 280 scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out 281 282 .out.chk: 283 rm -f $@ $*.new 284 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\ 285 of="$*.new" $< >&2 286 mv $*.new $@ 287 288 # used on demand to regenerate the standard header, CPPFLAGS should 289 # be empty - no non-standard defines 290 scripts/pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h 291 rm -f $@ pnglibconf.tf[67] 292 test -z "$(CPPFLAGS)" 293 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\ 294 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\ 295 logunsupported=1 version=search ${srcdir}/pngconf.h -\ 296 ${srcdir}/scripts/pnglibconf.dfa 1>&2 297 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\ 298 pnglibconf.tf6 1>&2 299 rm pnglibconf.tf6 300 mv pnglibconf.tf7 $@ 301 302 $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \ 303 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h 304 305 test: check-am 306 307 # Extra checks 308 check: scripts/symbols.chk 309 310 # Don't distribute the generated script files 311 dist-hook: 312 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES) 313 314 # Make links between installed files with release-specific names and the generic 315 # file names. If this install rule is run the generic names will be deleted and 316 # recreated - this has obvious issues for systems with multiple installations. 317 318 install-header-links: 319 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \ 320 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done 321 322 uninstall-header-links: 323 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS) 324 325 install-libpng-pc: 326 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \ 327 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc 328 329 uninstall-libpng-pc: 330 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc' 331 332 # EXT_LIST is a list of the possibly library directory extensions, this exists 333 # because we can't find a good way of discovering the file extensions that are 334 # actually installed on a given system, so instead we check for every extension 335 # we have seen. 336 337 EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib 338 339 install-library-links: 340 @set -x; cd '$(DESTDIR)$(libdir)';\ 341 for ext in $(EXT_LIST); do\ 342 rm -f "libpng.$$ext";\ 343 if test -f "$(PNGLIB_BASENAME).$$ext"; then\ 344 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\ 345 fi;\ 346 done 347 348 uninstall-library-links: 349 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\ 350 rm -f "libpng.$$ext"; done 351 352 install-libpng-config: 353 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \ 354 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config 355 356 uninstall-libpng-config: 357 rm -f '$(DESTDIR)$(bindir)/libpng-config' 358 359 if DO_INSTALL_LINKS 360 # If --enable-unversioned-links is specified the header and lib file links 361 # will be automatically made on a 'make install': 362 363 install-data-hook: install-header-links 364 uninstall-hook: uninstall-header-links 365 install-exec-hook: install-library-links 366 uninstall-hook: uninstall-library-links 367 endif 368 369 if DO_INSTALL_LIBPNG_PC 370 # Likewise, --install-pc causes libpng.pc to be constructed: 371 372 install-data-hook: install-libpng-pc 373 uninstall-hook: uninstall-libpng-pc 374 endif 375 376 if DO_INSTALL_LIBPNG_CONFIG 377 # And --install-config: 378 379 install-exec-hook: install-libpng-config 380 uninstall-hook: uninstall-libpng-config 381 endif 382 383 # The following addition ensures that 'make all' always builds the test programs 384 # too. It used to, but some change either in libpng or configure stopped this 385 # working. 386 all-am: $(check_PROGRAMS) 387
