--- a/components/desktop/harfbuzz/Makefile	Thu Feb 18 08:23:39 2016 -0800
+++ b/components/desktop/harfbuzz/Makefile	Thu Feb 18 10:21:52 2016 -0800
@@ -54,6 +54,9 @@
 COMPILER = gcc
 CXXFLAGS += -std=c++11
 
+# For components using gobject-introspection, don't cache results in $HOME
+COMPONENT_BUILD_ENV += GI_SCANNER_DISABLE_CACHE=yes
+
 CONFIGURE_ENV += CC="$(CC) $(CC_BITS)"
 CONFIGURE_ENV += CFLAGS="$(CFLAGS)"
 CONFIGURE_ENV += CPPFLAGS="$(CPPFLAGS)"