--- firefox-17.0-r1.ebuild.orig	2012-11-26 13:49:37.471857294 +0100
+++ firefox-17.0-r1.ebuild	2012-11-26 13:57:40.280277104 +0100
@@ -228,6 +228,8 @@
 	mozconfig_use_enable jit methodjit
 	mozconfig_use_enable jit tracejit
 
+	use arm || use amd64 || use x86 || mozconfig_annotate 'broken' --disable-webrtc
+
 	# Allow for a proper pgo build
 	if use pgo; then
 		echo "mk_add_options PROFILE_GEN_SCRIPT='\$(PYTHON) \$(OBJDIR)/_profile/pgo/profileserver.py'" >> "${S}"/.mozconfig