[oe] [meta-qt5] Antisocial layer behaviour

[Martin Jansa]

On Mon, Mar 31, 2014 at 01:02:25PM +0100, Richard Purdie wrote:
> I noticed some rebuilds happening when my cache should have been good.
> "bitbake xxxx -S printdiff" showed:
> 
> Task cmake-native:do_configure couldn't be used from the cache because:
>   We need hash f8a8910df42f4330ddaf9e40105baa7d, closest matching task was 93ac4b3cc3e9b5dd0868377cf287ca3d
>   basehash changed from 6b93d63cb19070822b91834c3ec58922 to a805733675f04ac021199aa92ed54cb5
>   Variable do_configure value changed from '    sed -i 's/^find_package(Qt5Core QUIET)$/#find_package(Qt5Core QUIET)/g' ${S}/Tests/RunCMake/CMakeLists.txt
>     sed -i 's/^find_package(Qt5Core REQUIRED)/#find_package(Qt5Core REQUIRED)/g' ${S}/Tests/RunCMake/IncompatibleQt/IncompatibleQt.cmake
>     sed -i 's/^  find_package(Qt5Widgets REQUIRED)/#  find_package(Qt5Widgets REQUIRED)/g' ${S}/Tests/QtAutomoc/CMakeLists.txt
>     sed -i 's/^find_package(Qt5Core REQUIRED)/#find_package(Qt5Core REQUIRED)/g' ${S}/Tests/Qt4And5Automoc/CMakeLists.txt
>     sed -i 's/^  find_package(Qt5Widgets QUIET NO_MODULE)/#  find_package(Qt5Widgets QUIET NO_MODULE)/g' ${S}/Tests/CMakeLists.txt
>     sed -i 's/^find_package(Qt5Widgets QUIET)/#find_package(Qt5Widgets QUIET)/g' ${S}/Source/QtDialog/CMakeLists.txt
> 	./configure --prefix=${prefix}
> ' to '	./configure --prefix=${prefix}
> '
> 
> so basically the bbappend in meta-qt5 means that everything using
> cmake-native will get rebuilt unless you either include or exclude the
> layer everywhere :(

Well it's fixing the issue which happens only when you're including
meta-qt5 and have qtbase(-native) installed in sysroot, that's why it
was fixed by .bbappend.

> Can we try and find a better way to work around whatever that bbappend
> is trying to fix please?

I have patch to move this hack to oe-core recipe, but it's still hack
I'm not very proud of.

Should I send it?

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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