Eliminate use of stamp files.
Numerous bug fixes.
Threads library must now be specified by user when running configure
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@2593 72102866-910b-0410-8b05-ffd578937521
Convert OS, VENDOR, and CPU cleaning to shell scripts.
Implement makefile rules for tools.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@2433 72102866-910b-0410-8b05-ffd578937521