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# sys_stat_h.m4 serial 2 -*- Autoconf -*-
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 Eric Blake.
dnl Test whether <sys/stat.h> contains lstat and mkdir or must be substituted.
AC_DEFUN([gl_HEADER_SYS_STAT_H],
[
dnl Check for lstat. Systems that lack it (mingw) also lack symlinks, so
dnl stat is a good replacement.
AC_CHECK_FUNCS_ONCE([lstat])
dnl Check for mkdir. Mingw has _mkdir(name) in the nonstandard <io.h>
dnl instead.
AC_CHECK_DECLS([mkdir], [], [], [#include <sys/stat.h>])
SYS_STAT_H=
if test $ac_cv_func_lstat:$ac_cv_have_decl_mkdir != yes:yes ; then
gl_ABSOLUTE_HEADER([sys/stat.h])
ABSOLUTE_SYS_STAT_H="<$gl_cv_absolute_sys_stat_h>"
AC_CHECK_HEADERS([io.h])
AC_REQUIRE([AC_C_INLINE])
AC_SUBST([ABSOLUTE_SYS_STAT_H])
SYS_STAT_H='sys/stat.h'
fi
AC_SUBST([SYS_STAT_H])
]) # gl_HEADER_SYS_STAT_H
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