--- firefox-24.2.0-old.ebuild	2014-01-29 16:31:35.140057988 +1300
+++ firefox-24.2.0-old.ebuild	2014-01-29 16:33:18.390077233 +1300
@@ -148,6 +148,9 @@ 
 	EPATCH_FORCE="yes" \
 	epatch "${WORKDIR}/firefox"
 
+	# Fix missing build options
+	epatch "${FILESDIR}/Makefile-pgo.patch
+
 	# Allow user to apply any additional patches without modifing ebuild
 	epatch_user
 
@@ -232,7 +235,7 @@ 
 
 	# Allow for a proper pgo build
 	if use pgo; then
-		echo "mk_add_options PROFILE_GEN_SCRIPT='\$(PYTHON) \$(OBJDIR)/_profile/pgo/profileserver.py'" >> "${S}"/.mozconfig
+		 echo "mk_add_options PROFILE_GEN_SCRIPT='EXTRA_TEST_ARGS=10 \$(MAKE) -C \$(MOZ_OBJDIR) pgo-profile-run'" >> "${S}"/.mozconfig 
 	fi
 
 	# Finalize and report settings