Run ninja twice to work around a bug in cmake

git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@1852 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5
Drop unused makefile variables

git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@1853 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5