diff -r c479984e459d -r 17c80cb3754b config/misc.m4
--- a/config/misc.m4	Thu May 05 11:06:58 2005 +0000
+++ b/config/misc.m4	Thu May 05 15:34:43 2005 +0000
@@ -26,3 +26,22 @@
   AC_SUBST(DOXYGEN_INTERNAL_DOCS)
   AM_CONDITIONAL([WANT_DOCS], [test x"$enable_docs" != x"no"])
 ])
+
+AC_DEFUN([LX_ENABLE_GUI],
+[
+  AC_ARG_ENABLE([gui],
+AS_HELP_STRING([--enable-gui], [build the GUI])
+AS_HELP_STRING([--disable-gui], [do not build the GUI @<:@default@:>@]),
+         [], [enable_gui=no])
+
+  AC_MSG_CHECKING([whether to build the GUI])
+  if test x"$enable_gui" != x"no"; then
+      AC_MSG_RESULT([yes])
+  else
+      AC_MSG_RESULT([no])
+  fi
+  if test x"$enable_gui" != x"no"; then
+    PKG_CHECK_MODULES([GTK], [libgnomecanvasmm-2.6 >= 2.6.0])
+  fi
+  AM_CONDITIONAL([WANT_GUI], [test x"$enable_gui" != x"no"])
+])