$NetBSD: patch-configure.ac,v 1.1 2013/05/18 20:23:03 adam Exp $

GNU lib tests must be run with C compiler.

--- configure.ac.orig	2013-05-18 20:01:23.000000000 +0000
+++ configure.ac
@@ -237,9 +237,9 @@ fi
 AM_PROG_LIBTOOL
 LIBTOOL="$LIBTOOL --silent"
 
-AC_LANG_PUSH(C++)
+AC_LANG_PUSH(C)
 gl_INIT
-AC_LANG_POP(C++)
+AC_LANG_POP(C)
 
 if test x$ac_cv_func_wcwidth != xyes || test x$REPLACE_WCWIDTH = x1; then
    gl_LIBOBJ([wcwidth])