Author: dim
Date: Thu Mar 27 20:32:58 2014
New Revision: 263838
URL: http://svnweb.freebsd.org/changeset/base/263838

Log:
  MFC r263692:
  
  Add a note to UPDATING about customized kernel configuration files now
  requiring -gdwarf-2 for debug info, when using clang 3.4.
  
  Suggested by: adrian

Modified:
  stable/9/UPDATING   (contents, props changed)

Changes in other areas also in this revision:
Modified:
  stable/10/UPDATING
Directory Properties:
  stable/10/   (props changed)

Modified: stable/9/UPDATING
==============================================================================
--- stable/9/UPDATING   Thu Mar 27 20:21:13 2014        (r263837)
+++ stable/9/UPDATING   Thu Mar 27 20:32:58 2014        (r263838)
@@ -12,7 +12,16 @@ Items affecting the ports and packages s
 /usr/ports/UPDATING.  Please read that file before running portupgrade.
 
 20140321:
-       Clang and llvm have been upgraded to 3.4 release.
+       Clang and llvm have been upgraded to 3.4 release.  Please note that
+       clang 3.4 now defaults to DWARF4 debug information format when you
+       specify -g.  Since kgdb(1) only supports DWARF2, you should update any
+       customized kernel configurations which include debug information to
+       explicitly use -gdwarf-2, e.g:
+
+         makeoptions   DEBUG=-gdwarf-2
+
+       This has already been applied to the appropriate GENERIC configuration
+       files, so if you inherit from those, no changes are required.
 
 20140216:
        The nve(4) driver for NVIDIA nForce MCP Ethernet adapters has
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