Document -gstabs+

1 files changed, 6 insertions, 0 deletions

diff --git a/UPDATING b/UPDATING
index 8909183..845bf6c 100644
--- a/UPDATING
+++ b/UPDATING
@@ -29,6 +29,12 @@ NOTE TO PEOPLE WHO THINK THAT 5.0-CURRENT IS SLOW:
 	with the set-user-ID bit set.
 
 20020510:
+	Gcc 3.1 debugging format (cc -g) has changed from STABS to DWARF2.
+	Unfortunately our native GDB (at version 4.18) does not understand
+	the DWARF2 debugging format.  Thus you must use `-gstabs+' to
+	generated debugging information for our native GDB.
+
+20020510:
 	Due to the way CVS works, it may not properly update src/contrib/gcc
 	to the 3.1 sources.  The easiest fix is to `rm -rf' src/contrib/gcc
 	and then do a cvs update.