Fixed subtle bug where 'make prefix=/somewhere; make clean; make prefix=/somwhere/else' produced an executable using the incorrect library directories.
Bug fix in reporting compiler used to compile SWIG
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4185 626c5289-ae23-0410-ae9c-e8d60b6d4f22
