Index: package.yml
===================================================================
--- package.yml
+++ package.yml
@@ -41,8 +41,8 @@
           USE_SYSTEM_LIB_PORTAUDIO=1 \
           USE_SYSTEM_LIB_PORTMIDI=1 \
           CC="$CC" \
+          OPTIMIZE=$(echo $CFLAGS | grep -o -Pe '-O\d' | tail -c2) \
           NOWERROR=1 \
-          OPTIMIZE=2 \
           REGENIE=1 \
 install    : |
     # TODO: add installation code as %make_install is not defined here