+dnl This function defintion taken from Gnome 2.0
+dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
+dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
+dnl also defines GSTUFF_PKG_ERRORS on error
+AC_DEFUN(PKG_CHECK_MODULES, [
+ succeeded=no
+
+ if test -z "$PKG_CONFIG"; then
+ AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+ fi
+
+ if test "$PKG_CONFIG" = "no" ; then
+ echo "*** The pkg-config script could not be found. Make sure it is"
+ echo "*** in your path, or give the full path to pkg-config with"
+ echo "*** the PKG_CONFIG environment variable or --with-pkg-config-prog."
+ echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
+ else
+ PKG_CONFIG_MIN_VERSION=0.9.0
+ if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+ AC_MSG_CHECKING(for $2)
+
+ if $PKG_CONFIG --exists "$2" ; then
+ AC_MSG_RESULT(yes)
+ succeeded=yes
+
+ AC_MSG_CHECKING($1_CFLAGS)
+ $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
+ AC_MSG_RESULT($$1_CFLAGS)
+
+ AC_MSG_CHECKING($1_LIBS)
+ $1_LIBS=`$PKG_CONFIG --libs "$2"`
+ AC_MSG_RESULT($$1_LIBS)
+ else
+ $1_CFLAGS=""
+ $1_LIBS=""
+ ## If we have a custom action on failure, don't print errors, but
+ ## do set a variable so people can do so.
+ $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+ ifelse([$4], ,echo $$1_PKG_ERRORS,)
+ fi
+
+ AC_SUBST($1_CFLAGS)
+ AC_SUBST($1_LIBS)
+ else
+ echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+ echo "*** See http://www.freedesktop.org/software/pkgconfig"
+ fi
+ fi
+
+ if test $succeeded = yes; then
+ ifelse([$3], , :, [$3])
+ else
+ ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
+ fi
+])
+
+HAVE_GTK=no
+if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
+ if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
+ AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
+ fi
+ GLIB_REQUIRED=2.0.1
+ GTK_REQUIRED=2.0.1
+ GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
+
+ dnl Check if --with-pkg-config-prog has been given.
+ if test "X${with_pkg_config_prog}" != X; then
+ PKG_CONFIG="${with_pkg_config_prog}"
+ fi
+ dnl Checks for libraries.
+ PKG_CHECK_MODULES(GTK, $GTK_MODULES)
+ AC_SUBST(GTK_CFLAGS)
+ AC_SUBST(GTK_LIBS)
+ C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
+ HAVE_GTK=yes
+ AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
+ USE_X_TOOLKIT=none
+
+ dnl GTK scrollbars resembles toolkit scrollbars alot, so to avoid
+ dnl a lot if #ifdef:s, say we have toolkit scrollbars.
+ with_toolkit_scroll_bars=yes
+fi
+