[Buildroot] [autobuild.buildroot.net] Build results for 2019-05-14

[Adrian Perez de Castro]

On Thu, 16 May 2019 08:33:53 +0200, Thomas Petazzoni <thomas.petazzoni at bootlin.com> wrote:
> Hello Adrian,
> 
> On Wed, 15 May 2019 22:17:03 +0300
> Adrian Perez de Castro <aperez at igalia.com> wrote:
> 
> > >          arm |               wpewebkit-2.22.5 | NOK | http://autobuild.buildroot.net/results/645be27edc31037a9b1bb7ce0dc85440949b0846 |       
> > 
> > 
> > This build failure of of the wpewebkit package is kind of odd: it looks like
> > with assertions enabled (as in: doing a debug build) uses some variables which
> > do not exist, and I wonder why we haven't seen this before—when working on
> > WebKit we routinely do debug builds ¯\_(ツ)_/¯ 
> 
> This build has BR2_ENABLE_DEBUG=y, and when BR2_ENABLE_DEBUG=y, the
> CMake package infrastructure passes -DCMAKE_BUILD_TYPE=Debug. I assume
> that's under this condition that assertions become enabled.

On a related note: for debug builds done by packagers we usually recommend
building with “-DCMAKE_BUILD_TYPE=RelWithDebInfo” because using the “Debug”
produces excruciatingly slow WebKit binaries. To give you an idea: loading
some simple static HTML page over the network can take a couple of minutes.
Typically full “Debug” builds are only ever used by WebKit developers.

> > I think it is more worth it to push the update to WPE WebKit 2.24.x forward,
> > and this build failure would just go away.
> 
> Except that the build issue you're seeing is in master, and we're past
> -rc1 (even -rc2 now), and therefore we generally don't take version
> bumps in master, as we're too close to the release. Especially a
> version bump on a complex package like wpewebkit, and for which the
> version bump requires bumping the versions of a number of other
> packages as well.

Good point, I was forgetting about the upcoming release. Let's fix this.
Do you think it would be enough to make Buildroot use “RelWithDebInfo” for
debug builds? I see that other packages (like flare-engine, for example) do
that already.

Cheers,
—Adrián
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