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      1 AC_PREREQ([2.64])
      2 AC_INIT([HarfBuzz],
      3         [2.3.0],
      4         [https://github.com/harfbuzz/harfbuzz/issues/new],
      5         [harfbuzz],
      6         [http://harfbuzz.org/])
      7 
      8 AC_CONFIG_MACRO_DIR([m4])
      9 AC_CONFIG_SRCDIR([src/harfbuzz.pc.in])
     10 AC_CONFIG_HEADERS([config.h])
     11 
     12 AM_INIT_AUTOMAKE([1.13.0 gnits tar-ustar dist-bzip2 no-dist-gzip -Wall no-define color-tests -Wno-portability])
     13 AM_SILENT_RULES([yes])
     14 AX_CODE_COVERAGE
     15 
     16 # Initialize libtool
     17 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
     18 LT_PREREQ([2.2])
     19 LT_INIT([disable-static])
     20 
     21 # Check for programs
     22 AC_PROG_CC
     23 AC_PROG_CC_C99
     24 AM_PROG_CC_C_O
     25 AC_PROG_CXX
     26 dnl AX_CXX_COMPILE_STDCXX(11, noext, optional)
     27 AC_SYS_LARGEFILE
     28 PKG_PROG_PKG_CONFIG([0.20])
     29 AM_MISSING_PROG([RAGEL], [ragel])
     30 AM_MISSING_PROG([GIT], [git])
     31 
     32 # Version
     33 m4_define(hb_version_triplet,m4_split(AC_PACKAGE_VERSION,[[.]]))
     34 m4_define(hb_version_major,m4_argn(1,hb_version_triplet))
     35 m4_define(hb_version_minor,m4_argn(2,hb_version_triplet))
     36 m4_define(hb_version_micro,m4_argn(3,hb_version_triplet))
     37 HB_VERSION_MAJOR=hb_version_major
     38 HB_VERSION_MINOR=hb_version_minor
     39 HB_VERSION_MICRO=hb_version_micro
     40 HB_VERSION=AC_PACKAGE_VERSION
     41 AC_SUBST(HB_VERSION_MAJOR)
     42 AC_SUBST(HB_VERSION_MINOR)
     43 AC_SUBST(HB_VERSION_MICRO)
     44 AC_SUBST(HB_VERSION)
     45 
     46 # Libtool version
     47 m4_define([hb_version_int],
     48 	  m4_eval(hb_version_major*10000 + hb_version_minor*100 + hb_version_micro))
     49 m4_if(m4_eval(hb_version_minor % 2), [1],
     50       dnl for unstable releases
     51       [m4_define([hb_libtool_revision], 0)],
     52       dnl for stable releases
     53       [m4_define([hb_libtool_revision], hb_version_micro)])
     54 m4_define([hb_libtool_age],
     55 	  m4_eval(hb_version_int - hb_libtool_revision))
     56 m4_define([hb_libtool_current],
     57 	  m4_eval(hb_libtool_age))
     58 HB_LIBTOOL_VERSION_INFO=hb_libtool_current:hb_libtool_revision:hb_libtool_age
     59 AC_SUBST(HB_LIBTOOL_VERSION_INFO)
     60 
     61 AC_ARG_WITH([libstdc++],
     62 	[AS_HELP_STRING([--with-libstdc++=@<:@yes/no@:>@],
     63 			[Allow linking with libstdc++ @<:@default=no@:>@])],
     64 	[with_libstdcxx=$withval],
     65 	[with_libstdcxx=no])
     66 AM_CONDITIONAL(WITH_LIBSTDCXX, [test "x$with_libstdcxx" = "xyes"])
     67 
     68 # Documentation
     69 have_gtk_doc=false
     70 m4_ifdef([GTK_DOC_CHECK], [
     71 GTK_DOC_CHECK([1.15],[--flavour no-tmpl])
     72 	if test "x$enable_gtk_doc" = xyes; then
     73 		have_gtk_doc=true
     74 	fi
     75 ], [
     76 	AM_CONDITIONAL([ENABLE_GTK_DOC], false)
     77 ])
     78 
     79 # Functions and headers
     80 AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l posix_memalign)
     81 
     82 save_libs="$LIBS"
     83 LIBS="$LIBS -lm"
     84 AC_CHECK_FUNCS([round], ,[AC_CHECK_DECLS([round], , ,[#include <math.h>])])
     85 LIBS="$save_libs"
     86 
     87 AC_CHECK_HEADERS(unistd.h sys/mman.h xlocale.h stdbool.h)
     88 
     89 # Compiler flags
     90 AC_CANONICAL_HOST
     91 AC_CHECK_ALIGNOF([struct{char;}])
     92 if test "x$GCC" = "xyes"; then
     93 
     94 	# Make symbols link locally
     95 	AX_CHECK_LINK_FLAG([[-Bsymbolic-functions]], [LDFLAGS="$LDFLAGS -Bsymbolic-functions"])
     96 
     97 	# Make it possible to not link to libstdc++
     98 	# No threadsafe statics in C++ as we do it ourselves.
     99 	# We don't use these features, so it's safe to disable them
    100 	# even in the cases where we DO link to libstdc++.
    101 	# Put -fno-rtti before $CXXFLAGS such that users can re-enable it
    102 	# by overriding CXXFLAGS.
    103 	CXXFLAGS="-fno-rtti $CXXFLAGS -fno-exceptions -fno-threadsafe-statics"
    104 
    105 	# Assorted warnings
    106 	CXXFLAGS="$CXXFLAGS -Wcast-align"
    107 
    108 	case "$host" in
    109 		*-*-mingw*)
    110 		;;
    111 		*)
    112 			# Hide inline methods
    113 			CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
    114 		;;
    115 	esac
    116 
    117 	case "$host" in
    118 		arm-*-*)
    119 			if test "x$ac_cv_alignof_struct_char__" != x1; then
    120 				# Request byte alignment
    121 				CXXFLAGS="$CXXFLAGS -mstructure-size-boundary=8"
    122 			fi
    123 		;;
    124 	esac
    125 fi
    126 
    127 AM_CONDITIONAL(HAVE_GCC, test "x$GCC" = "xyes")
    128 
    129 hb_os_win32=no
    130 AC_MSG_CHECKING([for native Win32])
    131 case "$host" in
    132   *-*-mingw*)
    133     hb_os_win32=yes
    134     ;;
    135 esac
    136 AC_MSG_RESULT([$hb_os_win32])
    137 AM_CONDITIONAL(OS_WIN32, test "$hb_os_win32" = "yes")
    138 
    139 have_pthread=false
    140 if test "$hb_os_win32" = no; then
    141 	AX_PTHREAD([have_pthread=true])
    142 fi
    143 if $have_pthread; then
    144 	AC_DEFINE(HAVE_PTHREAD, 1, [Have POSIX threads])
    145 fi
    146 AM_CONDITIONAL(HAVE_PTHREAD, $have_pthread)
    147 
    148 dnl ==========================================================================
    149 
    150 have_fallback=true
    151 if $have_fallback; then
    152 	AC_DEFINE(HAVE_FALLBACK, 1, [Have simple TrueType Layout backend])
    153 fi
    154 AM_CONDITIONAL(HAVE_FALLBACK, $have_fallback)
    155 
    156 dnl ===========================================================================
    157 
    158 AC_ARG_WITH(glib,
    159 	[AS_HELP_STRING([--with-glib=@<:@yes/no/auto@:>@],
    160 			[Use glib @<:@default=auto@:>@])],,
    161 	[with_glib=auto])
    162 have_glib=false
    163 GLIB_DEPS="glib-2.0 >= 2.19.1"
    164 AC_SUBST(GLIB_DEPS)
    165 if test "x$with_glib" = "xyes" -o "x$with_glib" = "xauto"; then
    166 	PKG_CHECK_MODULES(GLIB, $GLIB_DEPS, have_glib=true, :)
    167 fi
    168 if test "x$with_glib" = "xyes" -a "x$have_glib" != "xtrue"; then
    169 	AC_MSG_ERROR([glib support requested but glib-2.0 not found])
    170 fi
    171 if $have_glib; then
    172 	AC_DEFINE(HAVE_GLIB, 1, [Have glib2 library])
    173 fi
    174 AM_CONDITIONAL(HAVE_GLIB, $have_glib)
    175 
    176 dnl ===========================================================================
    177 
    178 AC_ARG_WITH(gobject,
    179 	[AS_HELP_STRING([--with-gobject=@<:@yes/no/auto@:>@],
    180 			[Use gobject @<:@default=no@:>@])],,
    181 	[with_gobject=no])
    182 have_gobject=false
    183 if test "x$with_gobject" = "xyes" -o "x$with_gobject" = "xauto"; then
    184 	PKG_CHECK_MODULES(GOBJECT, gobject-2.0 glib-2.0, have_gobject=true, :)
    185 fi
    186 if test "x$with_gobject" = "xyes" -a "x$have_gobject" != "xtrue"; then
    187 	AC_MSG_ERROR([gobject support requested but gobject-2.0 / glib-2.0 not found])
    188 fi
    189 if $have_gobject; then
    190 	AC_DEFINE(HAVE_GOBJECT, 1, [Have gobject2 library])
    191 	GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0`
    192 	AC_SUBST(GLIB_MKENUMS)
    193 fi
    194 AM_CONDITIONAL(HAVE_GOBJECT, $have_gobject)
    195 AC_SUBST(have_gobject)
    196 
    197 dnl ===========================================================================
    198 
    199 
    200 dnl ===========================================================================
    201 # Gobject-Introspection
    202 have_introspection=false
    203 m4_ifdef([GOBJECT_INTROSPECTION_CHECK], [
    204 	if $have_gobject; then
    205 		GOBJECT_INTROSPECTION_CHECK([1.34.0])
    206 		if test "x$found_introspection" = xyes; then
    207 			have_introspection=true
    208 		fi
    209 	else
    210 		AM_CONDITIONAL([HAVE_INTROSPECTION], false)
    211 	fi
    212 ], [
    213 	AM_CONDITIONAL([HAVE_INTROSPECTION], false)
    214 ])
    215 
    216 dnl ==========================================================================
    217 
    218 AC_ARG_WITH(cairo,
    219 	[AS_HELP_STRING([--with-cairo=@<:@yes/no/auto@:>@],
    220 			[Use cairo @<:@default=auto@:>@])],,
    221 	[with_cairo=auto])
    222 have_cairo=false
    223 if test "x$with_cairo" = "xyes" -o "x$with_cairo" = "xauto"; then
    224 	PKG_CHECK_MODULES(CAIRO, cairo >= 1.8.0, have_cairo=true, :)
    225 fi
    226 if test "x$with_cairo" = "xyes" -a "x$have_cairo" != "xtrue"; then
    227 	AC_MSG_ERROR([cairo support requested but not found])
    228 fi
    229 if $have_cairo; then
    230 	AC_DEFINE(HAVE_CAIRO, 1, [Have cairo graphics library])
    231 fi
    232 AM_CONDITIONAL(HAVE_CAIRO, $have_cairo)
    233 
    234 have_cairo_ft=false
    235 if $have_cairo; then
    236 	PKG_CHECK_MODULES(CAIRO_FT, cairo-ft, have_cairo_ft=true, :)
    237 fi
    238 if $have_cairo_ft; then
    239 	AC_DEFINE(HAVE_CAIRO_FT, 1, [Have cairo-ft support in cairo graphics library])
    240 fi
    241 AM_CONDITIONAL(HAVE_CAIRO_FT, $have_cairo_ft)
    242 
    243 dnl ==========================================================================
    244 
    245 AC_ARG_WITH(fontconfig,
    246 	[AS_HELP_STRING([--with-fontconfig=@<:@yes/no/auto@:>@],
    247 			[Use fontconfig @<:@default=auto@:>@])],,
    248 	[with_fontconfig=auto])
    249 have_fontconfig=false
    250 if test "x$with_fontconfig" = "xyes" -o "x$with_fontconfig" = "xauto"; then
    251 	PKG_CHECK_MODULES(FONTCONFIG, fontconfig, have_fontconfig=true, :)
    252 fi
    253 if test "x$with_fontconfig" = "xyes" -a "x$have_fontconfig" != "xtrue"; then
    254 	AC_MSG_ERROR([fontconfig support requested but not found])
    255 fi
    256 if $have_fontconfig; then
    257 	AC_DEFINE(HAVE_FONTCONFIG, 1, [Have fontconfig library])
    258 fi
    259 AM_CONDITIONAL(HAVE_FONTCONFIG, $have_fontconfig)
    260 
    261 dnl ==========================================================================
    262 
    263 AC_ARG_WITH(icu,
    264 	[AS_HELP_STRING([--with-icu=@<:@yes/no/builtin/auto@:>@],
    265 			[Use ICU @<:@default=auto@:>@])],,
    266 	[with_icu=auto])
    267 have_icu=false
    268 if test "x$with_icu" = "xyes" -o "x$with_icu" = "xbuiltin" -o "x$with_icu" = "xauto"; then
    269 	PKG_CHECK_MODULES(ICU, icu-uc, have_icu=true, :)
    270 
    271 	dnl Fallback to icu-config if ICU pkg-config files could not be found
    272 	if test "$have_icu" != "true"; then
    273 		AC_CHECK_TOOL(ICU_CONFIG, icu-config, no)
    274 		AC_MSG_CHECKING([for ICU by using icu-config fallback])
    275 		if test "$ICU_CONFIG" != "no" && "$ICU_CONFIG" --version >/dev/null; then
    276 			have_icu=true
    277 			# We don't use --cflags as this gives us a lot of things that we don't
    278 			# necessarily want, like debugging and optimization flags
    279 			# See man (1) icu-config for more info.
    280 			ICU_CFLAGS=`$ICU_CONFIG --cppflags`
    281 			ICU_LIBS=`$ICU_CONFIG --ldflags-searchpath --ldflags-libsonly`
    282 			AC_SUBST(ICU_CFLAGS)
    283 			AC_SUBST(ICU_LIBS)
    284 			AC_MSG_RESULT([yes])
    285 		else
    286 			AC_MSG_RESULT([no])
    287 		fi
    288 	fi
    289 fi
    290 if test \( "x$with_icu" = "xyes" -o "x$with_icu" = "xbuiltin" \) -a "x$have_icu" != "xtrue"; then
    291 	AC_MSG_ERROR([icu support requested but icu-uc not found])
    292 fi
    293 
    294 if $have_icu; then
    295 	CXXFLAGS="$CXXFLAGS `$PKG_CONFIG --variable=CXXFLAGS icu-uc`"
    296 	AC_DEFINE(HAVE_ICU, 1, [Have ICU library])
    297 	if test "x$with_icu" = "xbuiltin"; then
    298 		AC_DEFINE(HAVE_ICU_BUILTIN, 1, [Use hb-icu Unicode callbacks])
    299 	fi
    300 fi
    301 AM_CONDITIONAL(HAVE_ICU, $have_icu)
    302 AM_CONDITIONAL(HAVE_ICU_BUILTIN, $have_icu && test "x$with_icu" = "xbuiltin")
    303 
    304 dnl ===========================================================================
    305 
    306 AC_ARG_WITH(ucdn,
    307 	[AS_HELP_STRING([--with-ucdn=@<:@yes/no@:>@],
    308 			[Use builtin UCDN library @<:@default=yes@:>@])],,
    309 	[with_ucdn=yes])
    310 have_ucdn=false
    311 if test "x$with_ucdn" = "xyes"; then
    312 	have_ucdn=true
    313 fi
    314 if $have_ucdn; then
    315 	AC_DEFINE(HAVE_UCDN, 1, [Have UCDN Unicode functions])
    316 fi
    317 AM_CONDITIONAL(HAVE_UCDN, $have_ucdn)
    318 
    319 dnl ==========================================================================
    320 
    321 AC_ARG_WITH(graphite2,
    322 	[AS_HELP_STRING([--with-graphite2=@<:@yes/no/auto@:>@],
    323 			[Use the graphite2 library @<:@default=no@:>@])],,
    324 	[with_graphite2=no])
    325 have_graphite2=false
    326 GRAPHITE2_DEPS="graphite2 >= 1.2.0"
    327 AC_SUBST(GRAPHITE2_DEPS)
    328 if test "x$with_graphite2" = "xyes" -o "x$with_graphite2" = "xauto"; then
    329 	PKG_CHECK_MODULES(GRAPHITE2, $GRAPHITE2_DEPS, have_graphite2=true, :)
    330 	if test "x$have_graphite2" != "xtrue"; then
    331                 # If pkg-config is not available, graphite2 can still be there
    332 		ac_save_CFLAGS="$CFLAGS"
    333 		ac_save_CPPFLAGS="$CPPFLAGS"
    334 		CFLAGS="$CFLAGS $GRAPHITE2_CFLAGS"
    335 		CPPFLAGS="$CPPFLAGS $GRAPHITE2_CFLAGS"
    336 		AC_CHECK_HEADER(graphite2/Segment.h, have_graphite2=true, :)
    337 		CPPFLAGS="$ac_save_CPPFLAGS"
    338 		CFLAGS="$ac_save_CFLAGS"
    339 	fi
    340 fi
    341 if test "x$with_graphite2" = "xyes" -a "x$have_graphite2" != "xtrue"; then
    342 	AC_MSG_ERROR([graphite2 support requested but libgraphite2 not found])
    343 fi
    344 if $have_graphite2; then
    345 	AC_DEFINE(HAVE_GRAPHITE2, 1, [Have Graphite2 library])
    346 fi
    347 AM_CONDITIONAL(HAVE_GRAPHITE2, $have_graphite2)
    348 
    349 dnl ==========================================================================
    350 
    351 AC_ARG_WITH(freetype,
    352 	[AS_HELP_STRING([--with-freetype=@<:@yes/no/auto@:>@],
    353 			[Use the FreeType library @<:@default=auto@:>@])],,
    354 	[with_freetype=auto])
    355 have_freetype=false
    356 FREETYPE_DEPS="freetype2 >= 12.0.6"
    357 AC_SUBST(FREETYPE_DEPS)
    358 if test "x$with_freetype" = "xyes" -o "x$with_freetype" = "xauto"; then
    359 	# See freetype/docs/VERSION.DLL; 12.0.6 means freetype-2.4.2
    360 	PKG_CHECK_MODULES(FREETYPE, $FREETYPE_DEPS, have_freetype=true, :)
    361 fi
    362 if test "x$with_freetype" = "xyes" -a "x$have_freetype" != "xtrue"; then
    363 	AC_MSG_ERROR([FreeType support requested but libfreetype2 not found])
    364 fi
    365 if $have_freetype; then
    366 	AC_DEFINE(HAVE_FREETYPE, 1, [Have FreeType 2 library])
    367 	save_libs=$LIBS
    368 	LIBS="$LIBS $FREETYPE_LIBS"
    369 	AC_CHECK_FUNCS(FT_Get_Var_Blend_Coordinates FT_Set_Var_Blend_Coordinates FT_Done_MM_Var)
    370 	LIBS=$save_libs
    371 fi
    372 AM_CONDITIONAL(HAVE_FREETYPE, $have_freetype)
    373 
    374 dnl ===========================================================================
    375 
    376 AC_ARG_WITH(uniscribe,
    377 	[AS_HELP_STRING([--with-uniscribe=@<:@yes/no/auto@:>@],
    378 			[Use the Uniscribe library @<:@default=no@:>@])],,
    379 	[with_uniscribe=no])
    380 have_uniscribe=false
    381 if test "x$with_uniscribe" = "xyes" -o "x$with_uniscribe" = "xauto"; then
    382 	AC_CHECK_HEADERS(usp10.h windows.h, have_uniscribe=true)
    383 fi
    384 if test "x$with_uniscribe" = "xyes" -a "x$have_uniscribe" != "xtrue"; then
    385 	AC_MSG_ERROR([uniscribe support requested but not found])
    386 fi
    387 if $have_uniscribe; then
    388 	UNISCRIBE_CFLAGS=
    389 	UNISCRIBE_LIBS="-lusp10 -lgdi32 -lrpcrt4"
    390 	AC_SUBST(UNISCRIBE_CFLAGS)
    391 	AC_SUBST(UNISCRIBE_LIBS)
    392 	AC_DEFINE(HAVE_UNISCRIBE, 1, [Have Uniscribe library])
    393 fi
    394 AM_CONDITIONAL(HAVE_UNISCRIBE, $have_uniscribe)
    395 
    396 dnl ===========================================================================
    397 
    398 AC_ARG_WITH(directwrite,
    399 	[AS_HELP_STRING([--with-directwrite=@<:@yes/no/auto@:>@],
    400 			[Use the DirectWrite library (experimental) @<:@default=no@:>@])],,
    401 	[with_directwrite=no])
    402 have_directwrite=false
    403 AC_LANG_PUSH([C++])
    404 if test "x$with_directwrite" = "xyes" -o "x$with_directwrite" = "xauto"; then
    405 	AC_CHECK_HEADERS(dwrite.h, have_directwrite=true)
    406 fi
    407 AC_LANG_POP([C++])
    408 if test "x$with_directwrite" = "xyes" -a "x$have_directwrite" != "xtrue"; then
    409 	AC_MSG_ERROR([directwrite support requested but not found])
    410 fi
    411 if $have_directwrite; then
    412 	DIRECTWRITE_CXXFLAGS=
    413 	DIRECTWRITE_LIBS="-ldwrite"
    414 	AC_SUBST(DIRECTWRITE_CXXFLAGS)
    415 	AC_SUBST(DIRECTWRITE_LIBS)
    416 	AC_DEFINE(HAVE_DIRECTWRITE, 1, [Have DirectWrite library])
    417 fi
    418 AM_CONDITIONAL(HAVE_DIRECTWRITE, $have_directwrite)
    419 
    420 dnl ===========================================================================
    421 
    422 AC_ARG_WITH(coretext,
    423 	[AS_HELP_STRING([--with-coretext=@<:@yes/no/auto@:>@],
    424 			[Use CoreText @<:@default=no@:>@])],,
    425 	[with_coretext=no])
    426 have_coretext=false
    427 if test "x$with_coretext" = "xyes" -o "x$with_coretext" = "xauto"; then
    428 	AC_CHECK_TYPE(CTFontRef, have_coretext=true,, [#include <ApplicationServices/ApplicationServices.h>])
    429 
    430 	if $have_coretext; then
    431 		CORETEXT_CFLAGS=
    432 		CORETEXT_LIBS="-framework ApplicationServices"
    433 		AC_SUBST(CORETEXT_CFLAGS)
    434 		AC_SUBST(CORETEXT_LIBS)
    435 	else
    436 		# On iOS CoreText and CoreGraphics are stand-alone frameworks
    437 		if test "x$have_coretext" != "xtrue"; then
    438 			# Check for a different symbol to avoid getting cached result.
    439 			AC_CHECK_TYPE(CTRunRef, have_coretext=true,, [#include <CoreText/CoreText.h>])
    440 		fi
    441 
    442 		if $have_coretext; then
    443 			CORETEXT_CFLAGS=
    444 			CORETEXT_LIBS="-framework CoreText -framework CoreGraphics -framework CoreFoundation"
    445 			AC_SUBST(CORETEXT_CFLAGS)
    446 			AC_SUBST(CORETEXT_LIBS)
    447 		fi
    448 	fi
    449 fi
    450 if test "x$with_coretext" = "xyes" -a "x$have_coretext" != "xtrue"; then
    451 	AC_MSG_ERROR([CoreText support requested but libcoretext not found])
    452 fi
    453 if $have_coretext; then
    454 	AC_DEFINE(HAVE_CORETEXT, 1, [Have Core Text backend])
    455 fi
    456 AM_CONDITIONAL(HAVE_CORETEXT, $have_coretext)
    457 
    458 dnl ===========================================================================
    459 
    460 AC_CACHE_CHECK([for Intel atomic primitives], hb_cv_have_intel_atomic_primitives, [
    461 	hb_cv_have_intel_atomic_primitives=false
    462 	AC_TRY_LINK([
    463 		void memory_barrier (void) { __sync_synchronize (); }
    464 		int atomic_add (int *i) { return __sync_fetch_and_add (i, 1); }
    465 		int mutex_trylock (int *m) { return __sync_lock_test_and_set (m, 1); }
    466 		void mutex_unlock (int *m) { __sync_lock_release (m); }
    467 		], [], hb_cv_have_intel_atomic_primitives=true
    468 	)
    469 ])
    470 if $hb_cv_have_intel_atomic_primitives; then
    471 	AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1, [Have Intel __sync_* atomic primitives])
    472 fi
    473 
    474 dnl ===========================================================================
    475 
    476 AC_CACHE_CHECK([for Solaris atomic operations], hb_cv_have_solaris_atomic_ops, [
    477 	hb_cv_have_solaris_atomic_ops=false
    478 	AC_TRY_LINK([
    479 		#include <atomic.h>
    480 		/* This requires Solaris Studio 12.2 or newer: */
    481 		#include <mbarrier.h>
    482 		void memory_barrier (void) { __machine_rw_barrier (); }
    483 		int atomic_add (volatile unsigned *i) { return atomic_add_int_nv (i, 1); }
    484 		void *atomic_ptr_cmpxchg (volatile void **target, void *cmp, void *newval) { return atomic_cas_ptr (target, cmp, newval); }
    485 		], [], hb_cv_have_solaris_atomic_ops=true
    486 	)
    487 ])
    488 if $hb_cv_have_solaris_atomic_ops; then
    489 	AC_DEFINE(HAVE_SOLARIS_ATOMIC_OPS, 1, [Have Solaris __machine_*_barrier and atomic_* operations])
    490 fi
    491 
    492 if test "$os_win32" = no && ! $have_pthread; then
    493 	AC_CHECK_HEADERS(sched.h)
    494 	AC_SEARCH_LIBS(sched_yield,rt,AC_DEFINE(HAVE_SCHED_YIELD, 1, [Have sched_yield]))
    495 fi
    496 
    497 dnl ===========================================================================
    498 
    499 AC_CONFIG_FILES([
    500 Makefile
    501 src/Makefile
    502 src/harfbuzz-config.cmake
    503 src/hb-ucdn/Makefile
    504 util/Makefile
    505 test/Makefile
    506 test/api/Makefile
    507 test/fuzzing/Makefile
    508 test/shaping/Makefile
    509 test/shaping/data/Makefile
    510 test/shaping/data/aots/Makefile
    511 test/shaping/data/in-house/Makefile
    512 test/shaping/data/text-rendering-tests/Makefile
    513 test/subset/Makefile
    514 test/subset/data/Makefile
    515 docs/Makefile
    516 docs/version.xml
    517 ])
    518 
    519 AC_OUTPUT
    520 
    521 AC_MSG_NOTICE([
    522 
    523 Build configuration:
    524 
    525 Unicode callbacks (you want at least one):
    526 	Builtin (UCDN):		${have_ucdn}
    527 	Glib:			${have_glib}
    528 	ICU:			${have_icu}
    529 
    530 Font callbacks (the more the merrier):
    531 	FreeType:		${have_freetype}
    532 
    533 Tools used for command-line utilities:
    534 	Cairo:			${have_cairo}
    535 	Fontconfig:		${have_fontconfig}
    536 
    537 Additional shapers (the more the merrier):
    538 	Graphite2:		${have_graphite2}
    539 
    540 Platform shapers (not normally needed):
    541 	CoreText:		${have_coretext}
    542 	DirectWrite:		${have_directwrite}
    543 	Uniscribe:		${have_uniscribe}
    544 
    545 Other features:
    546 	Documentation:		${enable_gtk_doc}
    547 	GObject bindings:	${have_gobject}
    548 	Introspection:		${have_introspection}
    549 ])
    550