UBUNTU: [Config] Force perf to use libiberty for demangling
Because libbfd is GPLv3 only and perf is GPLv2 only. Also this avoids
statically linking against libbfd to allow multiple versions of perf
being installed in parallel.
See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606050
BugLink: http://bugs.launchpad.net/bugs/783660
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>