[Buildroot] [PATCH v6 18/28] package/cmake: Fix for using -O in top-level make

[Asaf Kahlon]

Hello,

On Tue, Mar 17, 2020 at 8:08 AM Thomas Petazzoni
<thomas.petazzoni at bootlin.com> wrote:
>
> Hello,
>
> On Mon, 16 Mar 2020 23:15:24 +0100
> Andreas Naumann <dev at andin.de> wrote:
>
> > >> This commit log was a bit vague on what the issue was. If I understand
> >
> > The issue was that the cmake configure step stopped with an error if I
> > used the -O option. I dont think it was related to which output strategy
> > was used.
>
> I have not been able to reproduce the CMake configure step failure
> then. Are you still able to reproduce this? If so, could you provide
> more details about the setup: make version being, exact command line,
> Buildroot version, etc ?

I had this problem too, but currently I can't reproduce it.
I'm still trying to reproduce and will update, but for the meantime:
* My Buildroot version is 2020.02
* The command I used was: make -j9 --output-sync=target
* The CMake configure step failed. On the CMake log I saw the following message:
   ccache: invalid option -- 'O'
It seems like somehow the -O flag (==output-sync) was passed directly to ccache.

>
> Best regards,
>
> Thomas
> --
> Thomas Petazzoni, CTO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
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Regards,
Asaf.