--- eclass/mozconfig-v6.60.eclass	2019-04-28 20:09:37.000000000 +0200
+++ eclass/mozconfig-v6.60.eclass	2019-08-30 23:57:22.247937537 +0200
@@ -82,7 +82,7 @@ IUSE="${IUSE} clang dbus debug neon puls
 # gtk:2 minimum is technically 2.10 but gio support (enabled by default) needs 2.14
 # media-libs/mesa needs to be 10.2 or above due to a bug with flash+vdpau
 
-RDEPEND=">=app-text/hunspell-1.5.4:=
+RDEPEND=">=app-text/hunspell-1.5.4:=[clang=]
 	dev-libs/atk
 	dev-libs/expat
 	>=x11-libs/cairo-1.10[X]