This patch adds --{enable,disable}-debug-info switches to configure
which allows to include/exclude the '-g' switch on the gcc & ld
command lines.  Not building debug info reduces ressource usage
(especially disk) alot and is quite useful for test builds.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>