PATCH: Fix cross build for CXX_FOR_BUILD != CXX

[H.J. Lu]

On Thu, Oct 29, 2015 at 5:05 AM, Richard Earnshaw
<Richard.Earnshaw@foss.arm.com> wrote:
> On 23/10/15 16:41, H.J. Lu wrote:
>> On Fri, Oct 23, 2015 at 7:23 AM, Marcus Shawcroft
>> <marcus.shawcroft@gmail.com> wrote:
>>> On 23 October 2015 at 13:34, H.J. Lu <hjl.tools@gmail.com> wrote:
>>>> On Fri, Oct 23, 2015 at 4:54 AM, Marcus Shawcroft
>>>> <marcus.shawcroft@gmail.com> wrote:
>>>>> Hi,
>>>>>
>>>>> This patch breaks the distinction between build and host. For example
>>>>> consider a configure along these lines:
>>>>>
>>>>> ./configure --host=aarch64-none-linux-gnu
>>>>> --target=aarch64-none-linux-gnu --build=x86_64-pc-linux-gnu
>>>
>>>>> HJ, could you take a look into this issue?
>>>>>
>>>>
>>>> Try this.
>>>
>>> Thanks HJ. This solves the issue I was seeing.
>>>
>>
>> I am testing this patch.  OK for trunk if there is no regression?
>>
>>
>
> Your ChangeLog should mention that configure has been regenerated.  And
> this hunk:

I checked it in with updated ChangeLog.

> @@ -7096,7 +7100,8 @@ if test x$ac_checking != x ; then
>
>  $as_echo "#define ENABLE_CHECKING 1" >>confdefs.h
>
> -  $as_echo "#define CHECKING_P 1" >>confdefs.h
> +
> +$as_echo "#define CHECKING_P 1" >>confdefs.h
>
>    nocommon_flag=-fno-common
>  else
>
> appears to be spurious.

It came from autoconf.

> Otherwise OK.
>

Thanks.

-- 
H.J.