[patch] include the %I spec when building the object file for the main function

[Andrew Haley]

On 05/21/2013 11:49 AM, Matthias Klose wrote:
> Am 21.05.2013 10:26, schrieb Andrew Haley:
>> On 05/21/2013 08:23 AM, Matthias Klose wrote:
>>> The inclusion of stdc-predef.h is new in 4.8, the bits/predefs.h is not found in
>>> my case, because this header is on an include path, which is only added when cc1
>>> is passed the -imultiarch <tuple> option.  The solution for me is to add the %I
>>> spec, when calling cc1 to build the main function.
>>>
>>> Ok for the trunk, and for 4.8 after the 4.8.1 release?
>>
>> This is slighty baffling.  GCC is auto-including stdc-predef.h, but the
>> path info isn't sufficient?
> 
> "because this header is on an include path, which is only added when cc1 is
> passed the -imultiarch <tuple> option."
> 
> sorry, but I don't know what to add else here to explai the issue.
> 
>> And why does this affect gcj?
> 
> "when calling cc1 to build the main function". So it does have it's own
> invocation of cc1, and doesn't use any specs how to call cc1, which is used for
> other C files.

Yes, but what I didn't understand was "why has this changed now?"

Andrew.