Merge branch 'upstream' into dfsg-orig

[tar] / m4 / openat.m4

diff --git a/m4/openat.m4 b/m4/openat.m4
index 7975efb47e22ab04033a0ceccfb246eedb7af948..eec426a401b0bc73aff33b8f9fb72c1f5939dc89 100644 (file)
--- a/m4/openat.m4
+++ b/m4/openat.m4
@@ -1,4 +1,4 @@
-# serial 27
+# serial 30
 # See if we need to use our replacement for Solaris' openat et al functions.
 
 dnl Copyright (C) 2004-2010 Free Software Foundation, Inc.
@@ -99,18 +99,23 @@ main ()
 # If we have the fchownat function, and it has the bug (in glibc-2.4)
 # that it dereferences symlinks even with AT_SYMLINK_NOFOLLOW, then
 # use the replacement function.
+# Also if the fchownat function, like chown, has the trailing slash bug,
+# use the replacement function.
 # Also use the replacement function if fchownat is simply not available.
 AC_DEFUN([gl_FUNC_FCHOWNAT],
 [
   AC_REQUIRE([gl_FUNC_CHOWN])
   AC_CHECK_FUNC([fchownat],
-    [gl_FUNC_FCHOWNAT_DEREF_BUG([REPLACE_FCHOWNAT=1
-      AC_DEFINE([FCHOWNAT_NOFOLLOW_BUG], [1], [Define to 1 if your
-      platform has fchownat, but it cannot perform lchown tasks.])])],
+    [gl_FUNC_FCHOWNAT_DEREF_BUG(
+       [REPLACE_FCHOWNAT=1
+        AC_DEFINE([FCHOWNAT_NOFOLLOW_BUG], [1],
+                  [Define to 1 if your platform has fchownat, but it cannot
+                   perform lchown tasks.])
+       ])
+     if test $REPLACE_CHOWN = 1; then
+       REPLACE_FCHOWNAT=1
+     fi],
     [HAVE_FCHOWNAT=0])
-  if test $REPLACE_CHOWN = 1; then
-    REPLACE_FCHOWNAT=1
-  fi
   if test $HAVE_FCHOWNAT = 0 || test $REPLACE_FCHOWNAT = 1; then
     AC_LIBOBJ([fchownat])
   fi