recipes/webkit/files/configure.ac

   1 AC_INIT([WebKit],[0.1],[http://bugs.webkit.org/])
   2
   3 AC_PREREQ(2.59)
   4
   5 AC_CONFIG_HEADERS([aconfig.h])
   6 AC_CONFIG_SRCDIR([WebCore/config.h])
   7
   8 # see http://www.gnu.org/software/libtool/manual.html#Versioning
   9 LIBWEBKITGTK_VERSION=1:0:0
  10 AC_SUBST([LIBWEBKITGTK_VERSION])
  11
  12 AM_INIT_AUTOMAKE([foreign subdir-objects])
  13
  14 AC_CANONICAL_HOST
  15
  16 # host checking - inspired by the GTK+ configure.in
  17 # TODO: os_mac, os_bsd
  18 AC_MSG_CHECKING([for native Win32])
  19 case "$host" in
  20      *-*-mingw*)
  21        os_win32=yes
  22        ;;
  23      *)
  24        os_win32=no
  25        ;;
  26 esac
  27 AC_MSG_RESULT([$os_win32])
  28
  29 case "$host" in
  30      *-*-linux*)
  31        os_linux=yes
  32        ;;
  33      *-*-freebsd*)
  34        os_freebsd=yes
  35        ;;
  36      *-*-darwin*)
  37        os_darwin=yes
  38        ;;
  39 esac
  40
  41 # If CXXFLAGS and CFLAGS are unset, default to -O2
  42 # This is to tell automake not to include '-g' if CXXFLAGS is not set
  43 # For more info - http://www.gnu.org/software/automake/manual/autoconf.html#C_002b_002b-Compiler
  44 if test -z "$CXXFLAGS"; then
  45    CXXFLAGS="-O2"
  46 fi
  47 if test -z "$CFLAGS"; then
  48    CFLAGS="-O2"
  49 fi
  50
  51 # programs
  52 AC_DISABLE_STATIC
  53 AM_PROG_LIBTOOL
  54 AC_PROG_INSTALL
  55 AM_PROG_CC_STDC
  56 AC_PROG_CXX
  57 AM_PROG_CC_C_O
  58
  59 # check for -fvisibility=hidden compiler support (GCC >= 4)
  60 saved_CFLAGS="$CFLAGS"
  61 CFLAGS="$CFLAGS -fvisibility=hidden -fvisibility-inlines-hidden"
  62 AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden -fvisibility-inlines-hidden])
  63 AC_COMPILE_IFELSE([char foo;],
  64       [ AC_MSG_RESULT([yes])
  65         SYMBOL_VISIBILITY="-fvisibility=hidden" SYMBOL_VISIBILITY_INLINES="-fvisibility-inlines-hidden" ],
  66         AC_MSG_RESULT([no]))
  67 CFLAGS="$saved_CFLAGS"
  68 AC_SUBST(SYMBOL_VISIBILITY)
  69 AC_SUBST(SYMBOL_VISIBILITY_INLINES)
  70
  71 AC_PATH_PROG(PERL, perl)
  72 if test -z "$PERL"; then
  73    AC_MSG_ERROR([You need 'perl' to compile WebKit])
  74 fi
  75
  76 AC_PATH_PROG(BISON, bison)
  77 if test -z "$BISON"; then
  78    AC_MSG_ERROR([You need the 'bison' parser generator to compile WebKit])
  79 fi
  80
  81 AC_PATH_PROG(FLEX, flex)
  82 if test -z "$FLEX"; then
  83    AC_MSG_ERROR([You need the 'flex' lexer generator to compile WebKit])
  84 fi
  85
  86 AC_PATH_PROG(GPERF, gperf)
  87 if test -z "$GPERF"; then
  88    AC_MSG_ERROR([You need the 'gperf' hash function generator to compile WebKit])
  89 fi
  90
  91 AC_PATH_PROG(MV, mv)
  92 if test -z "$MV"; then
  93    AC_MSG_ERROR([You need 'mv' to compile WebKit])
  94 fi
  95
  96 # GTK+ port only
  97 # Check for glib-genmarshal and glib-mkenums
  98 AC_PATH_PROG([GLIB_GENMARSHAL], [glib-genmarshal])
  99 AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])
 100
 101 # Check whether a C++ was found (AC_PROG_CXX sets $CXX to "g++" even when it
 102 # doesn't exist)
 103 AC_LANG_PUSH([C++])
 104 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],[],[AC_MSG_ERROR([No C++ compiler found])])
 105 AC_LANG_POP([C++])
 106
 107 # C/C++ Language Features
 108 AC_C_CONST
 109 AC_C_INLINE
 110 AC_C_VOLATILE
 111
 112 # C/C++ Headers
 113 AC_HEADER_STDC
 114 AC_HEADER_STDBOOL
 115
 116 # pthread (not needed on Windows)
 117 if test "$os_win32" = "no"; then
 118 AC_CHECK_HEADERS([pthread.h],
 119                  AC_DEFINE([HAVE_PTHREAD_H],[1],[Define if pthread exist]),
 120                  AC_MSG_ERROR([pthread support is required to build WebKit]))
 121 fi
 122
 123 # libjpeg headers
 124 AC_CHECK_HEADERS([jpeglib.h])
 125
 126 # check for pkg-config
 127 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 128 if test "$PKG_CONFIG" = "no"; then
 129    AC_MSG_ERROR([Cannot find pkg-config, make sure it is installed in your PATH])
 130 fi
 131
 132 # check for icu-config
 133 if test "$os_darwin" = "yes"; then
 134 ICU_CPPFLAGS="-I\$(srcdir)/JavaScriptCore/icu -I\$(srcdir)/WebCore/icu"
 135 ICU_LIBS="-licucore"
 136 else
 137 AC_PATH_PROG(icu_config, icu-config, no)
 138 if test "$icu_config" = "no"; then
 139    AC_MSG_ERROR([Cannot find icu-config. ICU library is needed.])
 140 fi
 141
 142 # We don't use --cflags as this gives us a lot of things that we don't
 143 # necessarily want, like debugging and optimization flags
 144 # See man (1) icu-config for more info.
 145 ICU_CPPFLAGS=`$icu_config --cppflags`
 146 ICU_LIBS=`$icu_config --ldflags`
 147 AC_SUBST([ICU_CPPFLAGS])
 148 AC_SUBST([ICU_LIBS])
 149 fi
 150
 151 # determine the GDK/GTK+ target
 152 AC_MSG_CHECKING([the target windowing system])
 153 AC_ARG_WITH(target,
 154             AC_HELP_STRING([--with-target=@<:@x11/win32/quartz/directfb@:>@],
 155                            [Select webkit target [default=x11]]),
 156             [],[with_target="x11"])
 157
 158 case "$with_target" in
 159      x11|win32|quartz|directfb) ;;
 160      *) AC_MSG_ERROR([Invalid target: must be x11, quartz, win32, or directfb.]) ;;
 161 esac
 162
 163 AC_MSG_RESULT([$with_target])
 164
 165 AC_MSG_CHECKING([for Hildon UI extensions])
 166 AC_ARG_WITH(hildon,
 167             AC_HELP_STRING([--with-hildon],
 168                            [Use Hildon UI extensions [default=no]]),
 169             [],[with_hildon="no"])
 170 AC_MSG_RESULT([$with_hildon])
 171
 172 if test "$with_hildon" = "yes"; then
 173     HILDON_CPPFLAGS="-DMAEMO_CHANGES"
 174     PKG_CHECK_MODULES([HILDON], [hildon-1])
 175     AC_SUBST([HILDON_CPPFLAGS])
 176     AC_SUBST([HILDON_CFLAGS])
 177     AC_SUBST([HILDON_LIBS])
 178 fi
 179
 180 # determine the http backend
 181 AC_MSG_CHECKING([the HTTP backend to use])
 182 AC_ARG_WITH(http_backend,
 183             AC_HELP_STRING([--with-http-backend=@<:@curl@:>@],
 184                            [Select HTTP backend [default=curl]]),
 185             [],[http_backend="curl"])
 186
 187 case "$http_backend" in
 188      curl) ;;
 189      *) AC_MSG_ERROR([Invalid HTTP backend: must be curl.]) ;;
 190 esac
 191
 192 AC_MSG_RESULT([$http_backend])
 193
 194 # minimum base dependencies
 195 CAIRO_REQUIRED_VERSION=1.4
 196 FONTCONFIG_REQUIRED_VERSION=2.4
 197 FREETYPE2_REQUIRED_VERSION=9.0
 198 LIBXML_REQUIRED_VERSION=2.6
 199
 200 # minimum GTK+ base dependencies
 201 GLIB_REQUIRED_VERSION=2.0
 202 GOBJECT_REQUIRED_VERSION=2.0
 203 GTHREAD_REQUIRED_VERSION=2.0
 204 PANGO_REQUIRED_VERSION=1.0
 205 GTK_REQUIRED_VERSION=2.8
 206
 207 # optional modules
 208 LIBCURL_REQUIRED_VERSION=7.15
 209 LIBXSLT_REQUIRED_VERSION=1.1.7
 210 SQLITE_REQUIRED_VERSION=3.0
 211 GSTREAMER_REQUIRED_VERSION=0.10
 212 GNOME_VFS_REQUIRED_VERSION=2.0
 213
 214 PKG_CHECK_MODULES([GLOBALDEPS],
 215                   [glib-2.0 >= $GLIB_REQUIRED_VERSION
 216                   gobject-2.0 >= $GOBJECT_REQUIRED_VERSION
 217                   gthread-2.0 >= $GTHREAD_REQUIRED_VERSION])
 218 AC_SUBST([GLOBALDEPS_CFLAGS])
 219 AC_SUBST([GLOBALDEPS_LIBS])
 220
 221 PKG_CHECK_MODULES([WEBKITDEPS],
 222                   [gtk+-2.0 >= $GTK_REQUIRED_VERSION
 223                   pango >= $PANGO_REQUIRED_VERSION
 224                   cairo >= $CAIRO_REQUIRED_VERSION
 225                   cairo-ft,
 226                   fontconfig >= $FONTCONFIG_REQUIRED_VERSION
 227                   freetype2 >= $FREETYPE2_REQUIRED_VERSION
 228                   libxml-2.0 >= $LIBXML_REQUIRED_VERSION])
 229 AC_SUBST([WEBKITDEPS_CFLAGS])
 230 AC_SUBST([WEBKITDEPS_LIBS])
 231
 232 # check whether to build with debugging enabled
 233 AC_MSG_CHECKING([whether to do a debug build])
 234 AC_ARG_ENABLE(debug,
 235               AC_HELP_STRING([--enable-debug],
 236                              [turn on debugging [default=no]]),
 237               [],[enable_debug="no"])
 238 AC_MSG_RESULT([$enable_debug])
 239
 240 # check whether to build with cross-document messaging support
 241 AC_MSG_CHECKING([whether to enable HTML5 cross-document messaging support])
 242 AC_ARG_ENABLE(cross_document_messaging,
 243               AC_HELP_STRING([--enable-cross-document-messaging],
 244                              [enable HTML5 cross-document messaging support [default=yes]]),
 245               [],[enable_cross_document_messaging="yes"])
 246 AC_MSG_RESULT([$enable_cross_document_messaging])
 247
 248 # check whether to build with database support
 249 AC_MSG_CHECKING([whether to enable HTML5 client-side storage support])
 250 AC_ARG_ENABLE(database,
 251               AC_HELP_STRING([--enable-database],
 252                              [enable HTML5 client-side storage support [default=yes]]),
 253               [],[enable_database="yes"])
 254 AC_MSG_RESULT([$enable_database])
 255
 256 # check whether to build with icon database support
 257 AC_MSG_CHECKING([whether to enable icon database support])
 258 AC_ARG_ENABLE(icon_database,
 259               AC_HELP_STRING([--enable-icon-database],
 260                              [enable icon database [default=no]]),
 261               [],[enable_icon_database="no"])
 262 AC_MSG_RESULT([$enable_icon_database])
 263
 264 # check whether to enable HTML5 audio/video support
 265 AC_MSG_CHECKING([whether to enable HTML5 video support])
 266 AC_ARG_ENABLE(video,
 267               AC_HELP_STRING([--enable-video],
 268                              [enable HTML5 video support [default=no]]),
 269               [],[enable_video="no"])
 270 AC_MSG_RESULT([$enable_video])
 271
 272 # check whether to enable XPath support
 273 AC_MSG_CHECKING([whether to enable XPath support])
 274 AC_ARG_ENABLE(xpath,
 275               AC_HELP_STRING([--enable-xpath],
 276                              [enable support for XPath [default=yes]]),
 277               [],[enable_xpath="yes"])
 278 AC_MSG_RESULT([$enable_xpath])
 279
 280 # check whether to enable XSLT support
 281 AC_MSG_CHECKING([whether to enable XSLT support])
 282 AC_ARG_ENABLE(xslt,
 283               AC_HELP_STRING([--enable-xslt],
 284                              [enable support for XSLT [default=yes]]),
 285               [],[enable_xslt="yes"])
 286 AC_MSG_RESULT([$enable_xslt])
 287
 288 # check whether to enable SVG experimental features
 289 # Enable all SVG if it is
 290 AC_MSG_CHECKING([whether to enable SVG experimental features])
 291 AC_ARG_ENABLE(svg_experimental,
 292               AC_HELP_STRING([--enable-svg-experimental],
 293                              [enable support for SVG experimental features [default=no]]),
 294               [],[enable_svg_experimental="no"])
 295 AC_MSG_RESULT([$enable_svg_experimental])
 296
 297 if test "$enable_svg_experimental" = "yes"; then
 298    enable_svg=yes
 299    enable_svg_animation=yes
 300 #   enable_svg_filters=yes
 301    enable_svg_fonts=yes
 302    enable_svg_foreign_object=yes
 303    enable_svg_as_image=yes
 304    enable_svg_use_element=yes
 305 fi
 306
 307 # check whether to enable SVG support
 308 AC_MSG_CHECKING([whether to enable SVG support])
 309 AC_ARG_ENABLE(svg,
 310               AC_HELP_STRING([--enable-svg],
 311                              [enable support for SVG [default=no]]),
 312               [],[enable_svg="no"])
 313 AC_MSG_RESULT([$enable_svg])
 314
 315 # check whether to enable support for SVG animation
 316 AC_MSG_CHECKING([whether to enable support for SVG animation])
 317 AC_ARG_ENABLE(svg_animation,
 318               AC_HELP_STRING([--enable-svg-animation],
 319                              [enable support for SVG animation (experimental) [default=no]]),
 320               [],[enable_svg_animation="no"])
 321 AC_MSG_RESULT([$enable_svg_animation])
 322
 323 # check whether to enable support for SVG filters
 324 AC_MSG_CHECKING([whether to enable support for SVG filters])
 325 AC_ARG_ENABLE(svg_filters,
 326               AC_HELP_STRING([--enable-svg-filters],
 327                              [enable support for SVG filters (experimental) [default=no]]),
 328               [],[enable_svg_filters="no"])
 329 AC_MSG_RESULT([$enable_svg_filters])
 330
 331 # check whether to enable support for SVG fonts
 332 AC_MSG_CHECKING([whether to enable support for SVG fonts])
 333 AC_ARG_ENABLE(svg_fonts,
 334               AC_HELP_STRING([--enable-svg-fonts],
 335                              [enable support for SVG fonts (experimental) [default=no]]),
 336               [],[enable_svg_fonts="no"])
 337 AC_MSG_RESULT([$enable_svg_fonts])
 338
 339 # check whether to enable foreign objects support for SVG
 340 AC_MSG_CHECKING([whether to enable support for SVG foreign objects])
 341 AC_ARG_ENABLE(svg_foreign_object,
 342               AC_HELP_STRING([--enable-svg-foreign-object],
 343                              [enable support for SVG foreign objects (experimental) [default=no]]),
 344               [],[enable_svg_foreign_object="no"])
 345 AC_MSG_RESULT([$enable_svg_foreign_object])
 346
 347 # check whether to enable SVG As Image support
 348 AC_MSG_CHECKING([whether to enable SVG as Image support])
 349 AC_ARG_ENABLE(svg_as_image,
 350               AC_HELP_STRING([--enable-svg-as-image],
 351                              [enable SVG as Image support (experimental) [default=no]]),
 352               [],[enable_svg_as_image="no"])
 353 AC_MSG_RESULT([$enable_svg_as_image])
 354
 355 # check whether to enable SVG USE element support
 356 AC_MSG_CHECKING([whether to enable support for SVG use element])
 357 AC_ARG_ENABLE(svg_use_element,
 358               AC_HELP_STRING([--enable-svg-use-element],
 359                              [enable SVG use element support (experimental) [default=no]]),
 360               [],[enable_svg_use_element="no"])
 361 AC_MSG_RESULT([$enable_svg_use_element])
 362
 363 # check whether to enable code coverage
 364 AC_MSG_CHECKING([whether to enable code coverage support])
 365 AC_ARG_ENABLE(coverage,
 366               AC_HELP_STRING([--enable-coverage],
 367                              [enable code coverage support [default=no]]),
 368               [],[enable_coverage="no"])
 369 AC_MSG_RESULT([$enable_coverage])
 370
 371 # check whether to enable FastMalloc
 372 AC_MSG_CHECKING([whether to enable optimized memory allocator])
 373 AC_ARG_ENABLE(fast_malloc,
 374               AC_HELP_STRING([--enable-fast-malloc],
 375                              [enable optimized memory allocator default=yes, default=no for debug builds]),
 376               [],[if test "$enable_debug" = "yes"; then enable_fast_malloc="no"; else enable_fast_malloc="yes"; fi])
 377 AC_MSG_RESULT([$enable_fast_malloc])
 378
 379 # Add '-g' flag to gcc if it's debug build
 380 if test "$enable_debug" = "yes"; then
 381    CXXFLAGS="$CXXFLAGS -g"
 382    CFLAGS="$CFLAGS -g"
 383 fi
 384
 385 # check if curl is available
 386 if test "$http_backend" = "curl"; then
 387    PKG_CHECK_MODULES([LIBCURL],
 388                      [libcurl >= $LIBCURL_REQUIRED_VERSION])
 389    AC_SUBST([LIBCURL_CFLAGS])
 390    AC_SUBST([LIBCURL_LIBS])
 391 fi
 392
 393 # check if sqlite 3 is available
 394 if test "$enable_icon_database" = "yes" || test "$enable_database" = "yes"; then
 395    PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= $SQLITE_REQUIRED_VERSION])
 396    AC_SUBST([SQLITE3_CFLAGS])
 397    AC_SUBST([SQLITE3_LIBS])
 398 fi
 399
 400 # check if libxslt is available
 401 if test "$enable_xslt" = "yes"; then
 402    PKG_CHECK_MODULES([LIBXSLT],[libxslt >= $LIBXSLT_REQUIRED_VERSION])
 403    AC_SUBST([LIBXSLT_CFLAGS])
 404    AC_SUBST([LIBXSLT_LIBS])
 405 fi
 406
 407 # check if gstreamer is available
 408 if test "$enable_video" = "yes"; then
 409    PKG_CHECK_MODULES([GSTREAMER],
 410                      [gstreamer-0.10 >= $GSTREAMER_REQUIRED_VERSION
 411                      gstreamer-base-0.10,
 412                      gstreamer-plugins-base-0.10,
 413                      gnome-vfs-2.0 >= $GNOME_VFS_REQUIRED_VERSION])
 414    AC_SUBST([GSTREAMER_CFLAGS])
 415    AC_SUBST([GSTREAMER_LIBS])
 416 fi
 417
 418 # check for code coverage support
 419 if test "$enable_coverage" = "yes"; then
 420    COVERAGE_CFLAGS="-MD"
 421    COVERAGE_LDFLAGS="-ftest-coverage -fprofile-arcs"
 422    AC_SUBST([COVERAGE_CFLAGS])
 423    AC_SUBST([COVERAGE_LDFLAGS])
 424 fi
 425
 426 # check for SVG features, enabling SVG if necessary
 427 if test "$enable_svg_animation" = "yes" || \
 428    test "$enable_svg_filters" = "yes" || \
 429    test "$enable_svg_fonts" = "yes" || \
 430    test "$enable_svg_foreign_object" = "yes" || \
 431    test "$enable_svg_as_image" = "yes" || \
 432    test "$enable_svg_use_element" = "yes"; then
 433    svg_flags=yes
 434    if test "$enable_svg" = "no"; then
 435        AC_MSG_WARN([SVG feature(s) requested but SVG is disabled.. Enabling SVG support])
 436        enable_svg=yes
 437    fi
 438 fi
 439
 440 # OS conditionals
 441 AM_CONDITIONAL([OS_WIN32],[test "$os_win32" = "yes"])
 442 AM_CONDITIONAL([OS_UNIX],[test "$os_win32" = "no"])
 443 AM_CONDITIONAL([OS_LINUX],[test "$os_linux" = "yes"])
 444 AM_CONDITIONAL([OS_FREEBSD],[test "$os_freebsd" = "yes"])
 445
 446 # target conditionals
 447 AM_CONDITIONAL([TARGET_X11], [test "$with_target" = "x11"])
 448 AM_CONDITIONAL([TARGET_WIN32], [test "$with_target" = "win32"])
 449 AM_CONDITIONAL([TARGET_QUARTZ], [test "$with_target" = "quartz"])
 450 AM_CONDITIONAL([TARGET_DIRECTFB], [test "$with_target" = "directfb"])
 451
 452 # HTTP backend conditionals
 453 AM_CONDITIONAL([USE_CURL], [test "$http_backend" = "curl"])
 454
 455 # WebKit feature conditionals
 456 AM_CONDITIONAL([ENABLE_DEBUG],[test "$enable_debug" = "yes"])
 457 AM_CONDITIONAL([ENABLE_CROSS_DOCUMENT_MESSAGING],[test "$enable_cross_document_messaging" = "yes"])
 458 AM_CONDITIONAL([ENABLE_DATABASE],[test "$enable_database" = "yes"])
 459 AM_CONDITIONAL([ENABLE_ICONDATABASE],[test "$enable_icon_database" = "yes"])
 460 AM_CONDITIONAL([ENABLE_XPATH],[test "$enable_xpath" = "yes"])
 461 AM_CONDITIONAL([ENABLE_XSLT],[test "$enable_xslt" = "yes"])
 462 AM_CONDITIONAL([ENABLE_VIDEO],[test "$enable_video" = "yes"])
 463 AM_CONDITIONAL([ENABLE_SVG],[test "$enable_svg" = "yes"])
 464 AM_CONDITIONAL([ENABLE_SVG_ANIMATION],[test "$enable_svg_animation" = "yes"])
 465 AM_CONDITIONAL([ENABLE_SVG_FILTERS],[test "$enable_svg_filters" = "yes"])
 466 AM_CONDITIONAL([ENABLE_SVG_FONTS],[test "$enable_svg_fonts" = "yes"])
 467 AM_CONDITIONAL([ENABLE_SVG_FOREIGN_OBJECT],[test "$enable_svg_foreign_object" = "yes"])
 468 AM_CONDITIONAL([ENABLE_SVG_AS_IMAGE],[test "$enable_svg_as_image" = "yes"])
 469 AM_CONDITIONAL([ENABLE_SVG_USE],[test "$enable_svg_use_element" = "yes"])
 470 AM_CONDITIONAL([ENABLE_COVERAGE],[test "$enable_coverage" = "yes"])
 471 AM_CONDITIONAL([ENABLE_FAST_MALLOC],[test "$enable_fast_malloc" = "yes"])
 472 AM_CONDITIONAL([SVG_FLAGS],[test "$svg_flags" = "yes"])
 473
 474 AC_CONFIG_FILES([
 475 GNUmakefile
 476 WebKit/gtk/webkit-1.0.pc:WebKit/gtk/webkit.pc.in
 477 ]
 478 )
 479
 480 AC_OUTPUT
 481
 482 echo "
 483 WebKit was configured with the following options:
 484
 485 Build configuration:
 486  Enable debugging (slow)           : $enable_debug
 487  Code coverage support             : $enable_coverage
 488  HTTP backend                      : $http_backend
 489  Optimized memory allocator        : $enable_fast_malloc
 490 Features:
 491  HTML5 cross-document messaging    : $enable_cross_document_messaging
 492  HTML5 client-side storage support : $enable_database
 493  HTML5 video element support       : $enable_video
 494  Icon database support             : $enable_icon_database
 495  SVG support                       : $enable_svg
 496  SVG animation support             : $enable_svg_animation
 497  SVG filters support               : $enable_svg_filters
 498  SVG fonts support                 : $enable_svg_fonts
 499  SVG foreign object support        : $enable_svg_foreign_object
 500  SVG as image support              : $enable_svg_as_image
 501  SVG use element support           : $enable_svg_use_element
 502  XPATH support                     : $enable_xpath
 503  XSLT support                      : $enable_xslt
 504 GTK+ configuration:
 505  GDK target                        : $with_target
 506  Hildon UI extensions              : $with_hildon
 507 "