o Fix typo (CONFLICT -> CONFLICTS).
o Add CONFLICTS xf86-video-ati by radeonhd.4x.
o Fix implicit dependency on libpci.
o Add workaround to substitute @MKDIR_P@ to fix install issue.
o Re-evaluate related autogen.sh and bsd.autotools.mk.
[NOTE] bsd.autotools.mk (run-autotools target) substituted autogen.sh
in almost case.
Suggested by: Martin nakal at web dot de, and many people