build using the autotools.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2869 92316355-f0b4-4df1-b90c-862c8a59935f

will be properly integrated with the autotools solution, too.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2866 92316355-f0b4-4df1-b90c-862c8a59935f