--- gmsh-2.2.2.ebuild	2008-08-19 19:24:29.000000000 +0200
+++ gmsh-2.2.3.ebuild	2008-08-07 19:26:10.000000000 +0200
@@ -11,12 +11,13 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-IUSE="cgns doc examples jpeg metis png zlib X"
+IUSE="cgns doc examples jpeg metis opencascade png zlib X"
 
 RDEPEND="sci-libs/gsl
 	x11-libs/fltk
 	cgns? ( sci-libs/cgnslib )
 	jpeg? ( media-libs/jpeg )
+	opencascade? ( sci-libs/opencascade )
 	png? ( media-libs/libpng )
 	zlib? ( sys-libs/zlib )"
 
@@ -32,12 +33,14 @@
 
 src_compile() {
 	local myconf=""
+	use opencascade && myconf="${myconf} --with-occ-prefix=$CASROOT/lin"
 
 	econf ${myconf} \
 		$(use_enable X gui) \
 		$(use_enable cgns) \
 		$(use_enable jpeg) \
 		$(use_enable metis) \
+		$(use_enable opencascade occ) \
 		$(use_enable png) \
 		$(use_enable zlib)