--- /usr/portage/www-client/chromium/chromium-19.0.1084.56-r1.ebuild	2012-06-09 13:31:59.000000000 +0200
+++ /var/paludis/repositories/ambro/www-client/chromium/chromium-19.0.1084.56-r1.ebuild	2012-06-21 13:30:25.845646506 +0200
@@ -261,7 +261,13 @@
 		strip-flags
 	fi
 
-	egyp_chromium ${myconf} || die
+	local gyp_defines=""
+	if $(tc-getCC) --version |grep clang >/dev/null; then
+		gyp_defines+=" clang=1"
+		myconf+=" -Dclang=1"
+	fi
+
+	GYP_DEFINES="${gyp_defines}" egyp_chromium ${myconf} || die
 }
 
 src_compile() {