[Buildroot] [autobuild.buildroot.net] Build results for 2013-02-12

Luca Ceresoli luca at lucaceresoli.net
Mon Feb 18 19:37:15 UTC 2013

Thomas Petazzoni wrote:
> Dear Luca Ceresoli,
> On Thu, 14 Feb 2013 22:21:49 +0100, Luca Ceresoli wrote:
>> Should I send a patch to set -no-pch? I'm reluctant because it's not a real
>> fix, and compile time could increase significantly, I guess.
>> Thomas, this probably affects Qt5 Beta 1 as well, according to this blog
>> post:
>> http://gpupowered.org/node/14. Would you mind testing it on your Qt5 branch?
> For Qt5, I do have -no-pch otherwise it doesn't build
> (http://git.free-electrons.com/users/thomas-petazzoni/buildroot/commit/?h=qt5&id=7c1f7b9967d814e3f5c838e7090ac04b9d06af51).
> Apparently, there are bugs in the precompiled headers implementation.

Given that precompiled headers are disabled when using ccache, and they are
broken otherwise (at least with some toolchains), I think it's best to just
add -no-pch inconditionally.

I'll send a patch that does so, and copy your comment at the commit you
pointedme to:

 > -no-pch to workaround the issue described at
 > http://comments.gmane.org/gmane.comp.lib.qt.devel/5933

You might want to sign off the patch then.


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