@@ -15,10 +15,13 @@
 LIBS="$LIBS -lobjc"
 
 AX_CHECK_COMPILER_FLAGS(-pipe, [
 	CFLAGS="$CFLAGS -pipe"
 	OBJCFLAGS="$OBJCFLAGS -pipe"])
+AX_CHECK_COMPILER_FLAGS(-fno-common, [
+	CFLAGS="$CFLAGS -fno-common"
+	OBJCFLAGS="$OBJCFLAGS -fno-common"])
 AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings,
 	[OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"])
 
 AC_DEFINE(OF_CONFIG_H, 1, [Define so that we know we got our config.h])