-# Optimization
-# OPT = -O
-
-# according to Guillermo Rodriguez Garcia <guille@iies.es> this flag is needed
-# to make the standard div() functio work - otherwise it returns absolutely
-# incorrect results and completely breaks the wxImage class (where it's used
-# extensively)
-OPT = -fno-pcc-struct-return
+# according to Guillermo Rodriguez Garcia <guille@iies.es> this flag is
+# needed to make the standard div() function work - otherwise it returns
+# absolutely incorrect results and completely breaks the wxImage class
+# (where it's used extensively)
+# GRG: at least it is needed in mingw32-gcc2.8.1
+OPT = -fno-pcc-struct-return -O2 -fno-rtti -fno-exceptions