piwik/piwik — pull request #6320 by sabl0r (2014-09-27 09:08:26+00:00)
Title: xhprof: Execute aclocal and autoconf only if Gentoo is used.

`autoconf` fails on travis and probably other systems, too. See #6311.
We should call `aclocal` and `autoconf` only if Gentoo is used.