[gofrontend-dev] GO tools for gccgo cross

[Ian Lance Taylor]

On Tue, Apr 14, 2015 at 6:14 AM, Lynn A. Boger
<laboger@linux.vnet.ibm.com> wrote:
> I got sidetracked with some bug fixes and decided the change for this was
> not real small.
>
> Should this be submitted to gofrontend, or to the golang master source?

Let's try it in the master repo.  Thanks.

Ian


> On 03/17/2015 01:27 PM, Ian Lance Taylor wrote:
>>
>> On Tue, Mar 17, 2015 at 7:36 AM,  <laboger@linux.vnet.ibm.com> wrote:
>>>
>>> I have a patch to get gccgo to work on cross.
>>>
>>> Is it too late to try and get this into gcc 5.0?
>>
>> I think it's still possible.  Depends on how small and safe it is.
>>
>> Ian
>>
>>
>>> On Tuesday, February 3, 2015 at 2:18:39 PM UTC-6, Ian Lance Taylor wrote:
>>>>
>>>> On Tue, Feb 3, 2015 at 11:52 AM, Lynn A. Boger
>>>> <lab...@linux.vnet.ibm.com> wrote:
>>>>>
>>>>> I've been experimenting with the go tools and how to make them work for
>>>>> cross gccgo builds.
>>>>>
>>>>> In golang I think there is just one 'go' tool and the cross build
>>>>> targets
>>>>> are specified by the setting of GOARCH and GOOS.  So why couldn't the
>>>>> same
>>>>> be done with gccgo?
>>>>>
>>>>> That means, on any given system, I think we just need to build the
>>>>> native
>>>>> gccgo and the go tools that are built with it.  No need to build
>>>>> different
>>>>> go tools for each cross target.  If a cross build is needed, then set
>>>>> the
>>>>> GOARCH and GOOS values appropriately and invoke the native go (for
>>>>> gccgo)
>>>>> tool.  Source changes are needed for the go tool source to determine
>>>>> the
>>>>> correct cross compiler name based on the GOARCH and GOOS settings, and
>>>>> then
>>>>> use that cross compiler where needed for building or linking instead of
>>>>> always using "gccgo".  I was able to make these changes and get this to
>>>>> work
>>>>> -- I built gccgo programs targeted for ppc64le on an x86_64.
>>>>
>>>> I agree that setting GOARCH and GOOS should change the default name of
>>>> the gccgo compiler that the go tool uses.
>>>>
>>>> Ian
>>>
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>>
>>
>>
>