Author: dim
Date: Mon Mar 24 19:21:14 2014
New Revision: 263692
URL: http://svnweb.freebsd.org/changeset/base/263692
Log:
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
MFC after: 3 days
Modified:
head/UPDATING
Modified: head/UPDATING
==============================================================================
--- head/UPDATING Mon Mar 24 19:15:13 2014 (r263691)
+++ head/UPDATING Mon Mar 24 19:21:14 2014 (r263692)
@@ -44,7 +44,16 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11
to do so. Set WITHOUT_GPL_DTC if you require the BSDL compiler.
20140216:
- 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 has been removed. Please use the nfe(4) driver
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