updated autoconf/automake helper files
- config.guess: import CVS version 1.195 - config.sub: import CVS version 1.212 As a side effect, it now recognizes MacOS X
- canonical system information
This form allows you to request diffs between any two revisions of this file. For each of the two "sides" of the diff, select a symbolic revision name using the selection box, or choose 'Use Text Field' and enter a numeric revision.