diff --git a/ChangeLog b/ChangeLog
index 7e6ad8b9a..bea77da5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-07  Mike Kestner  <mkestner@novell.com>
+
+	* configure.in.in: add --disable-glade-sharp configure option
+	to explicitly disable the conditional build.  [Fixes #423131]
+
 2009-03-04  Christian Hoff  <christian_hoff@gmx.net>
 
 	* gtk/NodeStore.cs: reimplement NodeStore as a managed TreeModel using GInterface implementation
diff --git a/configure.in.in b/configure.in.in
index 4834ed8ff..d9adae5a1 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -196,9 +196,13 @@ AC_SUBST(GTK_CFLAGS)
 AC_SUBST(GTK_LIBS)
 
 GLADE_REQUIRED_VERSION=2.3.6
-PKG_CHECK_MODULES(GLADE, libglade-2.0 >= $GLADE_REQUIRED_VERSION, enable_glade=yes, enable_glade=no)
-AC_SUBST(GLADE_CFLAGS)
-AC_SUBST(GLADE_LIBS)
+enable_glade=no
+AC_ARG_ENABLE(glade-sharp, AC_HELP_STRING([--disable-glade-sharp], [Disable glade-sharp bindings]))
+if test "x$enable_glade_sharp" != "xno"; then
+	PKG_CHECK_MODULES(GLADE, libglade-2.0 >= $GLADE_REQUIRED_VERSION, enable_glade=yes, enable_glade=no)
+	AC_SUBST(GLADE_CFLAGS)
+	AC_SUBST(GLADE_LIBS)
+fi
 
 AC_PATH_PROG(MDOC, mdoc, no)
 if test "x$MDOC" = "xno"; then
@@ -287,7 +291,11 @@ echo "   * $CS compiler: $CSC $CSFLAGS"
 echo ""
 echo "   Optional assemblies included in the build:"
 echo ""
+if test "x$enable_glade_sharp" = "xno"; then
+echo "      * glade-sharp.dll: disabled"
+else
 echo "      * glade-sharp.dll: $enable_glade"
+fi
 echo "      * gtk-dotnet.dll: $enable_dotnet"
 echo "      * Mono.Cairo.dll: $cairo_comment"
 echo ""