sb: Back port the RTEMS 5 and 6 RSB engine.

- Build GDb first as we do for RTEMS 5 and later

- Update GDB to 9.1 for all archs expect SPARC. The SIS patches
  only apply to 7.9. Disable Python for SPARC

Closes #4111

1 files changed, 2 insertions, 2 deletions

diff --git a/source-builder/sb/error.py b/source-builder/sb/error.py
index 6a99b0e..5ea19d3 100644
--- a/source-builder/sb/error.py
+++ b/source-builder/sb/error.py
@@ -33,12 +33,12 @@ class error(Exception):
 class general(error):
     """Raise for a general error."""
     def __init__(self, what):
-        self.set_output('error: ' + what)
+        self.set_output('error: ' + str(what))
 
 class internal(error):
     """Raise for an internal error."""
     def __init__(self, what):
-        self.set_output('internal error: ' + what)
+        self.set_output('internal error: ' + str(what))
 
 class exit(error):
     """Raise for to exit."""