Index: Mk/bsd.gecko.mk
===================================================================
--- Mk/bsd.gecko.mk	(revision 332781)
+++ Mk/bsd.gecko.mk	(working copy)
@@ -539,6 +539,8 @@
 				LIBS="${LIBS}" PERL="${PERL}"
 MOZ_OPTIONS+=	--prefix="${FAKEDIR}"
 
+MOZ_EXPORT+=	MOZ_MAKE_FLAGS=-j${MAKE_JOBS_NUMBER}
+
 CPPFLAGS+=		-isystem${LOCALBASE}/include
 LDFLAGS+=		-L${LOCALBASE}/lib -Wl,-z,origin -Wl,-rpath,\\\$$\$$ORIGIN