X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flink.m4;h=ed8427a9b2dff7ec8827528ece19ef6f2ca69e40;hb=48a6564774f35e0c0b2ca55c73ccb26067396439;hp=1b0dcf72025ec19ce6dec818bc92a811d2bd2397;hpb=1f8c872f267bc608644d6de67aa5fab6285a8533;p=gnulib.git

diff --git a/m4/link.m4 b/m4/link.m4
index 1b0dcf720..ed8427a9b 100644
--- a/m4/link.m4
+++ b/m4/link.m4
@@ -1,5 +1,5 @@
-# link.m4 serial 5
-dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+# link.m4 serial 7
+dnl Copyright (C) 2009-2011 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.
@@ -10,9 +10,8 @@ AC_DEFUN([gl_FUNC_LINK],
   AC_CHECK_FUNCS_ONCE([link])
   if test $ac_cv_func_link = no; then
     HAVE_LINK=0
-    AC_LIBOBJ([link])
   else
-    AC_CACHE_CHECK([whether link handles trailing slash correctly],
+    AC_CACHE_CHECK([whether link obeys POSIX],
       [gl_cv_func_link_works],
       [touch conftest.a
        # Assume that if we have lstat, we can also check symlinks.
@@ -29,6 +28,10 @@ AC_DEFUN([gl_FUNC_LINK],
 #if HAVE_LSTAT
              if (!link ("conftest.lnk/", "conftest.b"))
                result |= 2;
+             if (rename ("conftest.a", "conftest.b"))
+               result |= 4;
+             if (!link ("conftest.b", "conftest.lnk"))
+               result |= 8;
 #endif
              return result;
            ]])],
@@ -37,7 +40,6 @@ AC_DEFUN([gl_FUNC_LINK],
        rm -f conftest.a conftest.b conftest.lnk])
     if test "$gl_cv_func_link_works" != yes; then
       REPLACE_LINK=1
-      AC_LIBOBJ([link])
     fi
   fi
 ])