# fstat.m4 serial 6

dnl Copyright (C) 2011-2020 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.

AC_DEFUN([gl_FUNC_FSTAT],

[

  AC_REQUIRE([AC_CANONICAL_HOST])

  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  case "$host_os" in

    mingw* | solaris*)

      dnl On MinGW, the original stat() returns st_atime, st_mtime,

      dnl st_ctime values that are affected by the time zone.

      dnl Solaris stat can return a negative tv_nsec.

      REPLACE_FSTAT=1

      ;;

  esac

  dnl Replace fstat() for supporting the gnulib-defined open() on directories.

  m4_ifdef([gl_FUNC_FCHDIR], [

    gl_TEST_FCHDIR

    if test $HAVE_FCHDIR = 0; then

      case "$gl_cv_func_open_directory_works" in

        *yes) ;;

        *)

          REPLACE_FSTAT=1

          ;;

      esac

    fi

  ])

])

# Prerequisites of lib/fstat.c and lib/stat-w32.c.

AC_DEFUN([gl_PREREQ_FSTAT], [

  AC_REQUIRE([gl_HEADER_SYS_STAT_H])

  :

])