1# Makefile.am: 2# Source file for Makefile.in (and hence Makefile) 3# 4 5PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ 6 7ACLOCAL_AMFLAGS = -I scripts 8 9# test programs - run on make check, make distcheck 10check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage 11 12# Utilities - installed 13bin_PROGRAMS= pngfix png-fix-itxt 14 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, 17# this is done below. 18# 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. 23BUILT_SOURCES = pnglibconf.h 24 25pngtest_SOURCES = pngtest.c 26pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 27 28pngvalid_SOURCES = contrib/libtests/pngvalid.c 29pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 30 31pngstest_SOURCES = contrib/libtests/pngstest.c 32pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 33 34pngunknown_SOURCES = contrib/libtests/pngunknown.c 35pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 36 37pngimage_SOURCES = contrib/libtests/pngimage.c 38pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 39 40pngfix_SOURCES = contrib/tools/pngfix.c 41pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 42 43png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c 44 45# Generally these are single line shell scripts to run a test with a particular 46# set of parameters: 47TESTS =\ 48 tests/pngtest\ 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 67 68# These tests are expected, and required, to fail: 69XFAIL_TESTS = tests/pngstest-error 70 71# man pages 72dist_man_MANS= libpng.3 libpngpf.3 png.5 73 74# generate the -config scripts if required 75binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config 76EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config 77bin_SCRIPTS= @binconfigs@ 78 79# rules to build libpng, only build the old library on request 80lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 81# EXTRA_LTLIBRARIES= libpng.la 82libpng@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 86 87if PNG_ARM_NEON 88libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\ 89 arm/filter_neon.S arm/filter_neon_intrinsics.c 90endif 91 92nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h 93 94libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \ 95 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0 96 97if HAVE_LD_VERSION_SCRIPT 98# Versioned symbols and restricted exports 99if HAVE_SOLARIS_LD 100 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers 101else 102 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers 103endif 104 105 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers 106else 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 110endif 111 112#distribute headers in /usr/include/libpng/* 113pkgincludedir= $(includedir)/$(PNGLIB_BASENAME) 114pkginclude_HEADERS= png.h pngconf.h 115nodist_pkginclude_HEADERS= pnglibconf.h 116 117# pkg-config stuff, note that libpng.pc is always required in order 118# to get the correct library 119pkgconfigdir = @pkgconfigdir@ 120pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc 121 122# 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! 125EXTRA_DIST= \ 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 131 132SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk scripts/pnglibconf.dfn 133 134CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \ 135 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \ 136 check.new pnglibconf.* pngprefix.h symbols.new pngtest-log.txt \ 137 $(SCRIPT_CLEANFILES) 138 139MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \ 140config.sub configure depcomp install-sh ltmain.sh missing 141 142# PNG_COPTS give extra options for the C compiler to be used on all compilation 143# steps (unless targe_CFLAGS is specified; that will take precedence over 144# AM_CFLAGS) 145PNG_COPTS = @PNG_COPTS@ 146AM_CFLAGS = ${PNG_COPTS} 147 148# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe 149# other operating systems (NeXT?) the C preprocessor selected by configure 150# checks input tokens for validity - effectively it performs part of the ANSI-C 151# parsing - and therefore fails with the .df files. configure.ac has special 152# checks for this and sets DFNCPP appropriately. 153DFNCPP = @DFNCPP@ 154 155SUFFIXES = .chk .dfn .out 156 157$(PNGLIB_BASENAME).pc: libpng.pc 158 cp libpng.pc $@ 159 160$(PNGLIB_BASENAME)-config: libpng-config 161 cp libpng-config $@ 162 163scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h 164scripts/prefix.out: png.h pngconf.h pnglibconf.out 165scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt 166scripts/intprefix.out: pnglibconf.h 167 168libpng.sym: scripts/sym.out 169 rm -f $@ 170 cp $? $@ 171libpng.vers: scripts/vers.out 172 rm -f $@ 173 cp $? $@ 174 175if DO_PNG_PREFIX 176# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix. 177# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual 178# implementation of the macro). 179pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst 180 rm -f $@ 181 $(AWK) 's==0 && NR>1{print prev}\ 182 s==0{prev=$$0}\ 183 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\ 184 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\ 185 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\ 186 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8 187 mv pnglibconf.tf8 $@ 188 189pngprefix.h: scripts/intprefix.out 190 rm -f pngprefix.tf1 191 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1 192 mv pngprefix.tf1 $@ 193else 194pnglibconf.h: pnglibconf.out 195 rm -f $@ 196 cp $? $@ 197 198pngprefix.h: # is empty 199 :>$@ 200endif 201 202$(srcdir)/scripts/pnglibconf.h.prebuilt: 203 @echo "Attempting to build $@" >&2 204 @echo "This is a machine generated file, but if you want to make" >&2 205 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2 206 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2 207 @exit 1 208 209# The following is necessary to ensure that the local pnglibconf.h is used, not 210# an installed one (this can happen immediately after on a clean system if 211# 'make test' is the first thing the user does.) Only files which include 212# one of the png source files (typically png.h or pngpriv.h) need to be listed 213# here: 214pngtest.o: pnglibconf.h 215 216contrib/libtests/makepng.o: pnglibconf.h 217contrib/libtests/pngstest.o: pnglibconf.h 218contrib/libtests/pngunknown.o: pnglibconf.h 219contrib/libtests/pngimage.o: pnglibconf.h 220contrib/libtests/pngvalid.o: pnglibconf.h 221contrib/libtests/readpng.o: pnglibconf.h 222contrib/libtests/tarith.o: pnglibconf.h 223contrib/libtests/timepng.o: pnglibconf.h 224 225contrib/tools/makesRGB.o: pnglibconf.h 226contrib/tools/pngfix.o: pnglibconf.h 227 228# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually 229# be built with PNG_USE_READ_MACROS; this prevents the read macros from 230# interfering with the symbol file format. 231SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\ 232 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\ 233 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\ 234 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE 235 236if DO_PNG_PREFIX 237SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@' 238endif 239 240.dfn.out: 241 rm -f $@ $*.c $*.tf[12] 242 test -d scripts || mkdir scripts || test -d scripts 243 echo '#include "$<"' >$*.c 244 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\ 245 $(CPPFLAGS) $(SYMBOL_CFLAGS) $*.c > $*.tf1 246 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2 247 rm -f $*.c $*.tf1 248 mv $*.tf2 $@ 249 250# The .dfn file for pnglibconf.h is machine generated 251pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA) 252 rm -f $@ $*.tf[45] 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>&2 257 rm $*.tf4 258 mv $*.tf5 $@ 259 260# Symbol checks (.def and .out files should match) 261scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out 262 263.out.chk: 264 rm -f $@ $*.new 265 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\ 266 of="$*.new" $< >&2 267 mv $*.new $@ 268 269# used on demand to regenerate the standard header, CPPFLAGS should 270# be empty - no non-standard defines 271scripts/pnglibconf.dfn: 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\ 279 pnglibconf.tf6 1>&2 280 rm pnglibconf.tf6 281 mv pnglibconf.tf7 $@ 282 283$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \ 284 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h 285 286test: check-am 287 288# Extra checks 289check: scripts/symbols.chk 290 291# Don't distribute the generated script files 292dist-hook: 293 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES) 294 295# 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. 298 299install-header-links: 300 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \ 301 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done 302 303uninstall-header-links: 304 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS) 305 306install-libpng-pc: 307 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \ 308 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc 309 310uninstall-libpng-pc: 311 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc' 312 313# 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 316# we have seen. 317 318EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib 319 320install-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;\ 326 fi;\ 327 done 328 329uninstall-library-links: 330 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\ 331 rm -f "libpng.$$ext"; done 332 333install-libpng-config: 334 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \ 335 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config 336 337uninstall-libpng-config: 338 rm -f '$(DESTDIR)$(bindir)/libpng-config' 339 340if DO_INSTALL_LINKS 341# If --enable-unversioned-links is specified the header and lib file links 342# will be automatically made on a 'make install': 343 344install-data-hook: install-header-links 345uninstall-hook: uninstall-header-links 346install-exec-hook: install-library-links 347uninstall-hook: uninstall-library-links 348endif 349 350if DO_INSTALL_LIBPNG_PC 351# Likewise, --install-pc causes libpng.pc to be constructed: 352 353install-data-hook: install-libpng-pc 354uninstall-hook: uninstall-libpng-pc 355endif 356 357if DO_INSTALL_LIBPNG_CONFIG 358# And --install-config: 359 360install-exec-hook: install-libpng-config 361uninstall-hook: uninstall-libpng-config 362endif 363 364# 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 366# working. 367all-am: $(check_PROGRAMS) 368
