This is what bit me when compiling g++ on Ubuntu: http://wiki.debian.org/Multiarch http://wiki.debian.org/Multiarch There seemed to be some special magic in th

This is what bit me when compiling g++ on Ubuntu: http://wiki.debian.org/Multiarch http://wiki.debian.org/Multiarch There seemed to be some special magic in the gcc build for Debian-derived distros. It wasn't all controllable with command-line options. You and Clang may be encountering similar fun.