On Mon, Feb 23, 2015 at 9:40 AM, Jakub Jelinek <ja...@redhat.com> wrote: > On Mon, Feb 23, 2015 at 09:17:43AM -0800, H.J. Lu wrote: >> 32-bit and x32 user-space environments may be running under Linux/x86-64 >> kernel. Using "uname -m" isn't sufficient to properly detect the >> canonical system name for 32-bit and x32 user-space environments. This >> patch checks if compiler is configured for 64-bit, 32-bit or x32 objects >> under Linux/x86-64 kernel. >> >> Tested with 64-bit, 32-bit and x32 user-space environments under >> Linux/x86-64 kernel. I am not sure if this will ever be accepted in >> upstream since the config.guess maintainer doesn't want to add a new >> use of set_cc_for_build to config.guess. set_cc_for_build is used for >> Linux: > > Ugh, isn't this what setarch is meant for? >
It doesn't cover x32. -- H.J.