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# include_next.m4 serial 1
dnl Copyright (C) 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Derek Price.
AC_DEFUN([gl_INCLUDE_NEXT],
[AC_CACHE_CHECK([whether the preprocessor supports include_next],
[gl_cv_have_include_next],
[AC_PREPROC_IFELSE([#include_next <stddef.h>],
[gl_cv_have_include_next=yes],
[gl_cv_have_include_next=no])])
if test $gl_cv_have_include_next = yes; then
AC_DEFINE([HAVE_INCLUDE_NEXT], 1,
[Define if your compiler supports the #include_next directive.])
fi
])
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