view m4/include_next.m4 @ 7225:3307ae6ea2e5

* lib/fcntl_.h: New file. * lib/chdir-safer.c (O_DIRECTORY, O_NOFOLLOW): Remove, now that we have the fcntl module. * lib/dirchownmod.c: Likewise. * lib/fts.c: Likewise. * m4/fcntl_h.m4: New file. * modules/fcntl: New file. * modules/chdir-safer (Depends-on): Add fcntl. * modules/fts: Likewise. * modules/mkdir-p: Likewise.
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 28 Aug 2006 22:59:17 +0000
parents 1f6871379885
children 1025663f7658
line wrap: on
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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
])