This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] PR bootstrap/65176: config.guess failed to guess machine with 64-bit kernel and 32-bit user space


On Mon, Feb 23, 2015 at 9:40 AM, Jakub Jelinek <jakub@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.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]