diff -up trunk/configure.ac~ trunk/configure.ac
--- trunk/configure.ac~ 2007-07-07 09:17:38.000000000 +0200
+++ trunk/configure.ac 2010-02-14 18:37:01.385240414 +0100
@@ -107,7 +107,10 @@ CPPFLAGS="$DEPS_CPPFLAGS $DEPS_CFLAGS $W
CXXFLAGS="$DEPS_CXXFLAGS $DEPS_CFLAGS $WX_CPPFLAGS"
LIBS="$DEPS_LIBS $WX_LIBS"
+PKG_CHECK_MODULES(X, x11)
+CXXFLAGS="$CXXFLAGS $X_CFLAGS"
+LIBS="$LIBS $X_LIBS"
#AC_SUBST(WX_LIBS)