m4/sys_stat_h.m4

   1 # sys_stat_h.m4 serial 24   -*- Autoconf -*-
   2 dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 dnl From Eric Blake.
   8 dnl Provide a GNU-like <sys/stat.h>.
   9
  10 AC_DEFUN([gl_HEADER_SYS_STAT_H],
  11 [
  12   AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  13
  14   dnl For the mkdir substitute.
  15   AC_REQUIRE([AC_C_INLINE])
  16
  17   dnl Check for broken stat macros.
  18   AC_REQUIRE([AC_HEADER_STAT])
  19
  20   gl_CHECK_NEXT_HEADERS([sys/stat.h])
  21
  22   dnl Define types that are supposed to be defined in <sys/types.h> or
  23   dnl <sys/stat.h>.
  24   AC_CHECK_TYPE([nlink_t], [],
  25     [AC_DEFINE([nlink_t], [int],
  26        [Define to the type of st_nlink in struct stat, or a supertype.])],
  27     [#include <sys/types.h>
  28      #include <sys/stat.h>])
  29
  30   dnl Check for declarations of anything we want to poison if the
  31   dnl corresponding gnulib module is not in use.
  32   gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
  33     ]], [fchmodat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
  34     mknod mknodat stat utimensat])
  35 ]) # gl_HEADER_SYS_STAT_H
  36
  37 AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
  38 [
  39   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  40   AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  41   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  42   dnl Define it also as a C macro, for the benefit of the unit tests.
  43   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  44 ])
  45
  46 AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
  47 [
  48   AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
  49   GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])
  50   GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])
  51   GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])
  52   GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])
  53   GNULIB_LSTAT=0;       AC_SUBST([GNULIB_LSTAT])
  54   GNULIB_MKDIRAT=0;     AC_SUBST([GNULIB_MKDIRAT])
  55   GNULIB_MKFIFO=0;      AC_SUBST([GNULIB_MKFIFO])
  56   GNULIB_MKFIFOAT=0;    AC_SUBST([GNULIB_MKFIFOAT])
  57   GNULIB_MKNOD=0;       AC_SUBST([GNULIB_MKNOD])
  58   GNULIB_MKNODAT=0;     AC_SUBST([GNULIB_MKNODAT])
  59   GNULIB_STAT=0;        AC_SUBST([GNULIB_STAT])
  60   GNULIB_UTIMENSAT=0;   AC_SUBST([GNULIB_UTIMENSAT])
  61   dnl Assume proper GNU behavior unless another module says otherwise.
  62   HAVE_FCHMODAT=1;      AC_SUBST([HAVE_FCHMODAT])
  63   HAVE_FSTATAT=1;       AC_SUBST([HAVE_FSTATAT])
  64   HAVE_FUTIMENS=1;      AC_SUBST([HAVE_FUTIMENS])
  65   HAVE_LCHMOD=1;        AC_SUBST([HAVE_LCHMOD])
  66   HAVE_LSTAT=1;         AC_SUBST([HAVE_LSTAT])
  67   HAVE_MKDIRAT=1;       AC_SUBST([HAVE_MKDIRAT])
  68   HAVE_MKFIFO=1;        AC_SUBST([HAVE_MKFIFO])
  69   HAVE_MKFIFOAT=1;      AC_SUBST([HAVE_MKFIFOAT])
  70   HAVE_MKNOD=1;         AC_SUBST([HAVE_MKNOD])
  71   HAVE_MKNODAT=1;       AC_SUBST([HAVE_MKNODAT])
  72   HAVE_UTIMENSAT=1;     AC_SUBST([HAVE_UTIMENSAT])
  73   REPLACE_FSTAT=0;      AC_SUBST([REPLACE_FSTAT])
  74   REPLACE_FSTATAT=0;    AC_SUBST([REPLACE_FSTATAT])
  75   REPLACE_FUTIMENS=0;   AC_SUBST([REPLACE_FUTIMENS])
  76   REPLACE_LSTAT=0;      AC_SUBST([REPLACE_LSTAT])
  77   REPLACE_MKDIR=0;      AC_SUBST([REPLACE_MKDIR])
  78   REPLACE_MKFIFO=0;     AC_SUBST([REPLACE_MKFIFO])
  79   REPLACE_MKNOD=0;      AC_SUBST([REPLACE_MKNOD])
  80   REPLACE_STAT=0;       AC_SUBST([REPLACE_STAT])
  81   REPLACE_UTIMENSAT=0;  AC_SUBST([REPLACE_UTIMENSAT])
  82 ])