Update to the 20141019 snapshot of GCC 5.0.

Remove all traces of @dirrm from pkg-plist that are dynamically generated
via the Makefile.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@371281 35697150-7ecd-e111-bb59-0022644237b5
Don't remove the directory containing the tools when
PKGNAMEPREFIX == BUTARGET.

Differential Revision:	https://reviews.freebsd.org/D968
Approved by:	bapt


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@371282 35697150-7ecd-e111-bb59-0022644237b5
Cleanup plist


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@371283 35697150-7ecd-e111-bb59-0022644237b5