Re: [Mingw-cross-env-list] Qt 4.8.0-rc1

[Mark Brand]

On Thu, Oct 20, 2011 at 11:44 AM, Tony Theodore <address@hidden> wrote:
> On 20 October 2011 01:59, Mark Brand <address@hidden> wrote:
>>> Thanks, I don't know much about PCH files. I've previously tried
>>> building various versions of gcc (as the native compiler) but they all
>>> end up with the same error. It's strange, the rest of mingw-cross-env
>>> builds fine, and from the last two commands in the log, it looks like
>>> i686-pc-mingw-32-g++ is creating the pch, then failing.
>>>
>>> Now I can't build a native gcc easily (latest XCode updates broke
>>> that) so I'm happy to leave this as unsupported for the time being.
>>>
>>> Cheers,
>>>
>>> Tony
>>
>> I haven't been able to spot the problem in your log file yet, but I wonder
>> if you could try adding the option "-Winvalid-pch" to get more information
>> about the problem.
>
> It outputs an extra warning line:
>
> cc1plus: warning: ./.obj/release-static/qt_pch.h.gch/c++: had text
> segment at different address [enabled by default]
> cc1plus: error: one or more PCH files were found, but they were invalid
> cc1plus: fatal error: .obj/release-static/qt_pch.h: No such file or directory
> compilation terminated.
>
> does that mean anything to you?
>

I'm afraid I don't know much about this either. Found similar problem
with purported solution here:

http://old.nabble.com/-Bug-c%2B%2B-39206---New%3A--gcc-fails-to-create-precompiled-header-file-td22042160.html

Mark