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# sys_stat_h.m4 serial 6 -*- Autoconf -*-
dnl Copyright (C) 2006-2007 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])
if test $ac_cv_func_lstat = yes; then
HAVE_LSTAT=1
else
HAVE_LSTAT=0
fi
AC_SUBST([HAVE_LSTAT])
dnl Check for mkdir. Mingw has _mkdir(name) in the nonstandard <io.h>
dnl instead.
AC_CHECK_DECLS([mkdir],
[],
[AC_CHECK_HEADERS([io.h])],
[#include <sys/stat.h>])
if test $ac_cv_have_decl_mkdir = yes; then
HAVE_DECL_MKDIR=1
else
HAVE_DECL_MKDIR=0
fi
AC_SUBST([HAVE_DECL_MKDIR])
if test "$ac_cv_header_io_h" = yes; then
HAVE_IO_H=1
else
HAVE_IO_H=0
fi
AC_SUBST([HAVE_IO_H])
AC_REQUIRE([AC_C_INLINE])
dnl Check for broken stat macros.
AC_REQUIRE([AC_HEADER_STAT])
gl_CHECK_NEXT_HEADERS([sys/stat.h])
SYS_STAT_H='sys/stat.h'
AC_SUBST([SYS_STAT_H])
]) # gl_HEADER_SYS_STAT_H
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