[myusername@localhost~]$ su - Password: [root@localhost~]# cd /media/VBOXADDITIONS_4.1.12_77245/ [root@localhost VBOXADDITIONS_4.1.12_77245]# export MAKE='/usr/bin/gmake -i' [root@localhost VBOXADDITIONS_4.1.12_77245]# ./VBoxLinuxAdditions.run ... Building the OpenGL support module [OK] ...
Then I restarted the guest system (CentOS 6.3) and everything is working: mouse integration, dynamic screen resolution, etc ... :-/