--- a/build.py	Fri Apr 03 17:28:03 2009 +0100
+++ b/build.py	Tue Jun 30 14:36:14 2009 +0100
@@ -89,10 +89,11 @@
             os.chdir(nsc_dir)
             print "Entering directory `%s'" % nsc_dir
             try:
-                build_nsc()
-            except CommandError:
-                print "# Build NSC: failure (ignoring NSC)"
-                config.documentElement.removeChild(nsc_config)
+                try:
+                    build_nsc()
+                except CommandError:
+                    print "# Build NSC: failure (ignoring NSC)"
+                    config.documentElement.removeChild(nsc_config)
             finally:
                 os.chdir(cwd)
             print "Leaving directory `%s'" % nsc_dir