[config] Add HB_MINIMIZE_MEMORY_USAGE
Part of https://github.com/harfbuzz/harfbuzz/issues/4220
diff --git a/src/hb-config.hh b/src/hb-config.hh
index 8f706d0..9944e7f 100644
--- a/src/hb-config.hh
+++ b/src/hb-config.hh
@@ -44,6 +44,7 @@
#ifdef HB_TINY
#define HB_LEAN
#define HB_MINI
+#define HB_MINIMIZE_MEMORY_USAGE
#define HB_NO_MT
#define HB_NO_UCD_UNASSIGNED
#ifndef NDEBUG
@@ -183,16 +184,21 @@
#define HB_NO_OT_SHAPER_MYANMAR_ZAWGYI
#endif
+#ifdef HB_MINIMIZE_MEMORY_USAGE
+#define HB_NO_GDEF_CACHE
+#define HB_NO_OT_LAYOUT_LOOKUP_CACHE
+#endif
+
#ifdef HB_OPTIMIZE_SIZE
#define HB_OPTIMIZE_SIZE_VAL 1
#else
#define HB_OPTIMIZE_SIZE_VAL 0
#endif
-#ifdef HB_OPTIMIZE_SIZE
-#define HB_NO_OT_LAYOUT_LOOKUP_CACHE
-#define HB_NO_GDEF_CACHE
+#ifdef HB_MINIMIZE_MEMORY_USAGE
+#define HB_MINIMIZE_MEMORY_USAGE_VAL 1
+#else
+#define HB_MINIMIZE_MEMORY_USAGE_VAL 0
#endif
-
#endif /* HB_CONFIG_HH */
