Use native fstatat on cygwin 1.7.0.

* m4/openat.m4 (gl_FUNC_OPENAT): Make sure lstat check is made
first.

Signed-off-by: Eric Blake <ebb9@byu.net>

diff --git a/ChangeLog b/ChangeLog
index 769f0f3e149bd03dd6a74a4d33d13d85c67f0bd5..605726ef5731688fc5b90d681f7c7b801eb735e4 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-04-25  Eric Blake  <ebb9@byu.net>
+
+       Use native fstatat on cygwin 1.7.0.
+       * m4/openat.m4 (gl_FUNC_OPENAT): Make sure lstat check is made
+       first.
+
 2008-04-23  Eric Blake  <ebb9@byu.net>
 
        Improve memchr2 performance.

diff --git a/m4/openat.m4 b/m4/openat.m4
index 43f46d08b7d47d51d42d55e2cf7672604d53ca85..3b5b7cafe1b789925f4451faaf7211860edeefbd 100644 (file)
--- a/m4/openat.m4
+++ b/m4/openat.m4
@@ -1,7 +1,7 @@
-#serial 15
+#serial 16
 # See if we need to use our replacement for Solaris' openat et al functions.
 
-dnl Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+dnl Copyright (C) 2004, 2005, 2006, 2007, 2008 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.
@@ -15,6 +15,7 @@ AC_DEFUN([gl_FUNC_OPENAT],
   AC_CHECK_FUNCS_ONCE([lchmod])
   AC_CHECK_FUNCS_ONCE([fdopendir])
   AC_REPLACE_FUNCS([fchmodat mkdirat openat])
+  AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
   case $ac_cv_func_openat+$ac_cv_func_lstat_dereferences_slashed_symlink in
   yes+yes) ;;
   yes+*) AC_LIBOBJ([fstatat]);;
@@ -53,7 +54,7 @@ main ()
                    AT_SYMLINK_NOFOLLOW) != 0
          && errno == ENOENT);
 }
-          ]])],
+         ]])],
     [gl_cv_func_fchownat_nofollow_works=yes],
     [gl_cv_func_fchownat_nofollow_works=no],
     [gl_cv_func_fchownat_nofollow_works=no],