summaryrefslogtreecommitdiffstats
path: root/m4/fstat.m4
blob: 2a59c8ff4063d07ddb60c25906bd21e351d7f78a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
# fstat.m4 serial 6
dnl Copyright (C) 2011-2019 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])
  :
])