--- configure.orig	2010-04-01 20:56:39 UTC
+++ configure
@@ -18213,7 +18213,7 @@ if test "x$ac_cv_lib_aspell_get_aspell_dict_info_list"
 fi
 
 
-       ASPELL_CFLAGS+=" -DHAVE_PSPELL_H"
+       ASPELL_CFLAGS="${ASPELL_CFLAGS} -DHAVE_PSPELL_H"
    elif test -f "$aspell_prefix/include/aspell.h"; then
        { $as_echo "$as_me:$LINENO: result: yes (aspell)" >&5
 $as_echo "yes (aspell)" >&6; }