X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsys_stat_h.m4;h=4c01807b4e25e20eb98a0c7999981660a1c3e994;hb=4e4242fe07c85af94d99cc30e981cf8b050f95a1;hp=8131477d31feaf7b87e6690893d3f379d6e13d4d;hpb=91182f188f4d5d51f37a9f390aa210bef0ab6898;p=gnulib.git

diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4
index 8131477d3..4c01807b4 100644
--- a/m4/sys_stat_h.m4
+++ b/m4/sys_stat_h.m4
@@ -1,30 +1,70 @@
-# sys_stat_h.m4 serial 2   -*- Autoconf -*-
-dnl Copyright (C) 2006 Free Software Foundation, Inc.
+# sys_stat_h.m4 serial 15   -*- Autoconf -*-
+dnl Copyright (C) 2006-2009 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.
+dnl Provide a GNU-like <sys/stat.h>.
 
 AC_DEFUN([gl_HEADER_SYS_STAT_H],
 [
+  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+
   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'
+  if test $ac_cv_func_lstat = yes; then
+    HAVE_LSTAT=1
+  else
+    HAVE_LSTAT=0
   fi
-  AC_SUBST([SYS_STAT_H])
+  AC_SUBST([HAVE_LSTAT])
+
+  dnl For the mkdir substitute.
+  AC_REQUIRE([AC_C_INLINE])
+
+  dnl Check for broken stat macros.
+  AC_REQUIRE([AC_HEADER_STAT])
+
+  gl_CHECK_NEXT_HEADERS([sys/stat.h])
+
+  dnl Define types that are supposed to be defined in <sys/types.h> or
+  dnl <sys/stat.h>.
+  AC_CHECK_TYPE([nlink_t], [],
+    [AC_DEFINE([nlink_t], [int],
+       [Define to the type of st_nlink in struct stat, or a supertype.])],
+    [#include <sys/types.h>
+     #include <sys/stat.h>])
+
 ]) # gl_HEADER_SYS_STAT_H
+
+AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
+[
+  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
+  GNULIB_FCHMODAT=0;  AC_SUBST([GNULIB_FCHMODAT])
+  GNULIB_FSTATAT=0;   AC_SUBST([GNULIB_FSTATAT])
+  GNULIB_LCHMOD=0;    AC_SUBST([GNULIB_LCHMOD])
+  GNULIB_LSTAT=0;     AC_SUBST([GNULIB_LSTAT])
+  GNULIB_MKDIRAT=0;   AC_SUBST([GNULIB_MKDIRAT])
+  GNULIB_MKFIFOAT=0;  AC_SUBST([GNULIB_MKFIFOAT])
+  GNULIB_MKNODAT=0;   AC_SUBST([GNULIB_MKNODAT])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_FCHMODAT=1;    AC_SUBST([HAVE_FCHMODAT])
+  HAVE_FSTATAT=1;     AC_SUBST([HAVE_FSTATAT])
+  HAVE_LCHMOD=1;      AC_SUBST([HAVE_LCHMOD])
+  HAVE_MKDIRAT=1;     AC_SUBST([HAVE_MKDIRAT])
+  HAVE_MKFIFOAT=1;    AC_SUBST([HAVE_MKFIFOAT])
+  HAVE_MKNODAT=1;     AC_SUBST([HAVE_MKNODAT])
+  REPLACE_FSTAT=0;    AC_SUBST([REPLACE_FSTAT])
+  REPLACE_FSTATAT=0;  AC_SUBST([REPLACE_FSTATAT])
+  REPLACE_LSTAT=0;    AC_SUBST([REPLACE_LSTAT])
+  REPLACE_MKDIR=0;    AC_SUBST([REPLACE_MKDIR])
+])