--- /usr/portage/media-libs/babl/babl-9999.ebuild	2020-04-10 09:16:55.631802016 +0200
+++ /usr/local/portage/media-libs/babl/babl-9999.ebuild	2020-05-19 09:01:08.762350792 +0200
@@ -3,7 +3,9 @@
 
 EAPI=7
 
-inherit meson
+VALA_USE_DEPEND=vapigen
+
+inherit meson gnome2-utils vala
 
 if [[ ${PV} == *9999* ]]; then
 	inherit git-r3
@@ -19,12 +21,27 @@
 
 LICENSE="LGPL-3"
 SLOT="0"
-IUSE="introspection lcms cpu_flags_x86_avx2 cpu_flags_x86_f16c cpu_flags_x86_mmx cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_sse4_1"
-
-BDEPEND="virtual/pkgconfig"
+IUSE="introspection vala lcms cpu_flags_x86_avx2 cpu_flags_x86_f16c cpu_flags_x86_mmx cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_sse4_1"
+REQUIRED_USE="
+        vala? ( introspection )
+	"
+
+BDEPEND="
+	virtual/pkgconfig
+        vala? ( $(vala_depend) )
+	"
 RDEPEND="lcms? ( media-libs/lcms:2 )"
 DEPEND="${RDEPEND}"
 
+src_prepare() {
+        default
+
+        gnome2_environment_reset
+
+        use vala && vala_src_prepare
+}
+
+
 src_configure() {
 	# Automagic rsvg support is just for website generation we do not call,
 	#     so we don't need to fix it
@@ -33,6 +50,7 @@
 	local emesonargs=(
 		-Dwith-docs=false
 		$(meson_use introspection enable-gir)
+		$(meson_use vala enable-vapi)
 		$(meson_use lcms with-lcms)
 		$(meson_use cpu_flags_x86_avx2 enable-avx2)
 		$(meson_use cpu_flags_x86_f16c enable-f16c)