hw/xfree86/common/compiler.h in the current Xserver has some pre-processor conditional logic for __arm__, which needs ported over to vnc4's older copy of this file.
More details: https://bugs.launchpad.net/ubuntu/+source/vnc4/+bug/945368/comments/2 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org