+PKG_CHECK_MODULES(FC, [fontconfig])
+AC_SUBST(FC_CFLAGS)
+AC_SUBST(FC_LIBS)
+
+PKG_CHECK_MODULES(XML, [libxml-2.0])
+AC_SUBST(XML_CFLAGS)
+AC_SUBST(XML_LIBS)
+
+PKG_CHECK_MODULES(LIBSN, [libstartup-notification-1.0],
+ [
+ AC_DEFINE(USE_LIBSN)
+ AC_SUBST(LIBSN_CFLAGS)
+ AC_SUBST(LIBSN_LIBS)
+ ],
+ [
+ no_such_luck=yes
+ ]
+)
+
+PKG_CHECK_MODULES(GTK, [gtk+-2.0],
+ [
+ AC_SUBST(GTK_CFLAGS)
+ AC_SUBST(GTK_LIBS)
+ use_gtk="yes"
+
+ PKG_CHECK_MODULES(GLADE, [libglade-2.0],
+ [
+ AC_SUBST(GLADE_CFLAGS)
+ AC_SUBST(GLADE_LIBS)
+ use_glade="yes"
+ ],
+ [
+ use_glade="no"
+ AC_MSG_WARN([disabling build of the configuration tool])
+ ]
+ )
+ ],
+ [
+ use_gtk="no"
+ AC_MSG_WARN([disabling build of the configuration tool])
+ ]
+)
+AM_CONDITIONAL(OBCONF, [test "$use_gtk" = "yes" && test "$use_glade" = "yes"])