diff --git a/configure b/configure
index 8021a82003c0..43b895794d96 100755
--- a/configure
+++ b/configure
@@ -2663,8 +2663,9 @@ case $_host_os in
 		append_var CXXFLAGS "-Wl,-q -I$VITASDK/arm-vita-eabi/include"
 		append_var CXXFLAGS "-march=armv7-a -mtune=cortex-a9 -mfpu=neon -mfloat-abi=hard"
 		append_var LDFLAGS "-Wl,-q -L$VITASDK/arm-vita-eabi/lib"
+		append_var CXXFLAGS "-mlong-calls"
 		if test "$_debug_build" = no; then
-			_optimization_level=-O1
+			_optimization_level=-Os
 		fi
 		if test "$_debug_build" = yes; then
 			_optimization_level=-O0