AH_VERBATIM([00_CONFIG_H_CHECK],
[/* Check that config.h is #included before system headers
(this works only for glibc, but that should be enough). */
-#if defined(__GLIBC__)
+#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
# error config.h must be #included before system headers
-#endif])
+#endif
+#define __CONFIG_H__ 1])
if test -z "$target" ; then
AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)