casa-mp-base

diff --git configure.ac configure.ac

index a085ac3..f737b2d 100644

--- configure.ac

+++ configure.ac

@@ -940,10 +942,10 @@ AS_IF([test "${enable_optimizations}" != "no"], [

   dnl -O4 and -O3 only in production builds

   AS_IF([test "${enable_debug}" = "no"], [

     VLC_SAVE_FLAGS

-    CFLAGS="${CFLAGS} -O4"

-    CXXFLAGS="${CXXFLAGS} -O4"

-    OBJCFLAGS="${OBJCFLAGS} -O4"

-    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [

+    CFLAGS="${CFLAGS} -O3"

+    CXXFLAGS="${CXXFLAGS} -O3"

+    OBJCFLAGS="${OBJCFLAGS} -O3"

+    AC_CACHE_CHECK([if $CC accepts -O3], [ac_cv_c_o4], [

       AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [

         ac_cv_c_o4=yes

       ], [