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-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 64 65# man pages 66dist_man_MANS= libpng.3 libpngpf.3 png.5 67 68# generate the -config scripts if required 69binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config 70EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config 71bin_SCRIPTS= @binconfigs@ 72 73# rules to build libpng, only build the old library on request 74lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la 75# EXTRA_LTLIBRARIES= libpng.la 76libpng@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 80 81if PNG_ARM_NEON 82libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\ 83 arm/filter_neon.S arm/filter_neon_intrinsics.c 84endif 85 86nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h 87 88libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \ 89 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0 90 91if HAVE_LD_VERSION_SCRIPT 92# Versioned symbols and restricted exports 93if HAVE_SOLARIS_LD 94 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers 95else 96 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers 97endif 98 99 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers 100else 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 104endif 105 106#distribute headers in /usr/include/libpng/* 107pkgincludedir= $(includedir)/$(PNGLIB_BASENAME) 108pkginclude_HEADERS= png.h pngconf.h 109nodist_pkginclude_HEADERS= pnglibconf.h 110 111# pkg-config stuff, note that libpng.pc is always required in order 112# to get the correct library 113pkgconfigdir = @pkgconfigdir@ 114pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc 115 116# 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! 119EXTRA_DIST= \ 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 125 126SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk 127 128CLEANFILES= *.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 \ 132 $(SCRIPT_CLEANFILES) 133 134MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \ 135config.sub configure depcomp install-sh ltmain.sh missing 136 137# 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 139# AM_CFLAGS) 140PNG_COPTS = @PNG_COPTS@ 141AM_CFLAGS = ${PNG_COPTS} 142 143# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe 144# other operating systems (NeXT?) the C preprocessor selected by configure 145# checks input tokens for validity - effectively it performs part of the ANSI-C 146# parsing - and therefore fails with the .df files. configure.ac has special 147# checks for this and sets DFNCPP appropriately. 148DFNCPP = @DFNCPP@ 149 150SUFFIXES = .chk .out 151 152$(PNGLIB_BASENAME).pc: libpng.pc 153 cp libpng.pc $@ 154 155$(PNGLIB_BASENAME)-config: libpng-config 156 cp libpng-config $@ 157 158scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h 159scripts/prefix.out: png.h pngconf.h pnglibconf.out 160scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt 161scripts/intprefix.out: pnglibconf.h 162 163libpng.sym: scripts/sym.out 164 rm -f $@ 165 cp $? $@ 166libpng.vers: scripts/vers.out 167 rm -f $@ 168 cp $? $@ 169 170if DO_PNG_PREFIX 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). 174pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst 175 rm -f $@ 176 $(AWK) 's==0 && NR>1{print prev}\ 177 s==0{prev=$$0}\ 178 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\ 179 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\ 180 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\ 181 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8 182 mv pnglibconf.tf8 $@ 183 184pngprefix.h: scripts/intprefix.out 185 rm -f pngprefix.tf1 186 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1 187 mv pngprefix.tf1 $@ 188else 189pnglibconf.h: pnglibconf.out 190 rm -f $@ 191 cp $? $@ 192 193pngprefix.h: # is empty 194 :>$@ 195endif 196 197$(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)" >&2 202 @exit 1 203 204# 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 208# here: 209pngtest.o: pnglibconf.h 210 211contrib/libtests/makepng.o: pnglibconf.h 212contrib/libtests/pngstest.o: pnglibconf.h 213contrib/libtests/pngunknown.o: pnglibconf.h 214contrib/libtests/pngimage.o: pnglibconf.h 215contrib/libtests/pngvalid.o: pnglibconf.h 216contrib/libtests/readpng.o: pnglibconf.h 217contrib/libtests/tarith.o: pnglibconf.h 218contrib/libtests/timepng.o: pnglibconf.h 219 220contrib/tools/makesRGB.o: pnglibconf.h 221contrib/tools/pngfix.o: pnglibconf.h 222 223# 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. 226SYMBOL_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 230 231if DO_PNG_PREFIX 232SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@' 233endif 234 235.c.out: 236 rm -f $@ $*.tf[12] 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>&2 241 rm -f $*.tf1 242 mv $*.tf2 $@ 243 244# The .c file for pnglibconf.h is machine generated 245pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA) 246 rm -f $@ $*.tf[45] 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>&2 251 rm $*.tf4 252 mv $*.tf5 $@ 253 254# Symbol checks (.def and .out files should match) 255scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out 256 257.out.chk: 258 rm -f $@ $*.new 259 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\ 260 of="$*.new" $< >&2 261 mv $*.new $@ 262 263# used on demand to regenerate the standard header, CPPFLAGS should 264# be empty - no non-standard defines 265scripts/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\ 273 pnglibconf.tf6 1>&2 274 rm pnglibconf.tf6 275 mv pnglibconf.tf7 $@ 276 277$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \ 278 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h 279 280test: check-am 281 282# Extra checks 283check: scripts/symbols.chk 284 285# Don't distribute the generated script files 286dist-hook: 287 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES) 288 289# 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. 292 293install-header-links: 294 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \ 295 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done 296 297uninstall-header-links: 298 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS) 299 300install-libpng-pc: 301 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \ 302 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc 303 304uninstall-libpng-pc: 305 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc' 306 307# 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 310# we have seen. 311 312EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib 313 314install-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;\ 320 fi;\ 321 done 322 323uninstall-library-links: 324 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\ 325 rm -f "libpng.$$ext"; done 326 327install-libpng-config: 328 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \ 329 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config 330 331uninstall-libpng-config: 332 rm -f '$(DESTDIR)$(bindir)/libpng-config' 333 334if DO_INSTALL_LINKS 335# If --enable-unversioned-links is specified the header and lib file links 336# will be automatically made on a 'make install': 337 338install-data-hook: install-header-links 339uninstall-hook: uninstall-header-links 340install-exec-hook: install-library-links 341uninstall-hook: uninstall-library-links 342endif 343 344if DO_INSTALL_LIBPNG_PC 345# Likewise, --install-pc causes libpng.pc to be constructed: 346 347install-data-hook: install-libpng-pc 348uninstall-hook: uninstall-libpng-pc 349endif 350 351if DO_INSTALL_LIBPNG_CONFIG 352# And --install-config: 353 354install-exec-hook: install-libpng-config 355uninstall-hook: uninstall-libpng-config 356endif 357 358# 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 360# working. 361all-am: $(check_PROGRAMS) 362
