cross compiling gcc for i686 target

[Tim Prince]

On 03/01/2013 01:28 PM, Ian Lance Taylor wrote:
> On Fri, Mar 1, 2013 at 9:39 AM, vijay nag <vijunag@gmail.com> wrote:
>> Is it possible to do a cross compile of gcc-4.7.2 on AMD x86_64 to
>> produce i686 target ?
>>
>> My build, host and target parameters are amd64-pc-linux-gnu,
>> amd64-pc-linux-gnu and i686-pc-linux-gnu. My native compiler again is
>> a 64 bit compiler emitting default 64 bit object code.
> Yes, it is possible.
>
> It is also usually unnecessary.  A typical x86_64 compiler
> installation will produce 32-bit x86 code with the -m32 option.
>
> Ian
That switches you over to a 32-bit compiler, taking advantage of the 
support of 32-bit execution under this OS.  In many current x86_64 
installations, the 32-bit compiler is an additional option requiring the 
primary gcc development system option.

-- 
Tim Prince