--- freeciv-2.3.2/configure~	2012-03-31 07:37:54.000000000 -0500
+++ freeciv-2.3.2/configure	2012-08-29 08:51:28.595719680 -0500
@@ -20294,7 +20294,7 @@
     ac_save_CPPFLAGS="$CPPFLAGS"
     ac_save_CFLAGS="$CFLAGS"
     ac_save_LIBS="$LIBS"
-    CPPFLAGS="$CFLAGS $SDL_CFLAGS"
+    CPPFLAGS="$CPPFLAGS $SDL_CFLAGS"
     CFLAGS="$CFLAGS $SDL_CFLAGS"
     LIBS="$LIBS $SDL_LIBS"
     ac_fn_c_check_header_mongrel "$LINENO" "SDL_mixer.h" "ac_cv_header_SDL_mixer_h" "$ac_includes_default"