[oe] [meta-qt5] Getting Qt support inside an image toolchain

[Gerhard de Clercq]

I have found that adding "inherit populate_sdk_qt5" to my image recipe might be what I need. The problem is that it also fails with building some strange modules. I have found though that this can avoided by removing "nativesdk-packagegroup-qt5-toolchain-host" from that recipe. What seems to have the same effect is to add only "TOOLCHAIN_HOST_TASK += "nativesdk-packagegroup-qt5-toolchain-host" to my image recipe. This works fine and compiles. It even adds the qt files to the toolchain but for some reason it seems to break the toolchain installer which then crashes with "Setting it up...ls: cannot access /usr/local/simonsdk/environment-setup-*: No such file or directory".  This leaves me with a partially installed and useless toolchain. I have looked and looked but I cannot seem to figure out how the qt recipes can be causing this, any ideas?

> From: gerharddeclercq at outlook.com
> To: openembedded-devel at lists.openembedded.org
> Date: Sun, 6 Dec 2015 10:07:26 +0000
> Subject: [oe] [meta-qt5] Getting Qt support inside an image toolchain
> 
> I have read that the Qt toolchain components should these days be included in the toolchain of an image when -c populate_sdk is run for an image that contains Qt modules. I can confirm that Qt is in fact built with my image and works on my board. I can also confirm that the toolchain files like qmake are built and reside in the Yocto build directories. The problem is that they do not seem to be included in the toolchain installer. I know one can use meta-toolchain-qt5 but that appears to want to build every single module there is? Besides wasting a lot of time and space, that is not really an option for me because the building of some modules fails because I have a very troublesome bsp that I have to work with and I do not want to try to fix up those unneeded packages just to get a toolchain... I know that I have previously been able to get an sdk built with only the qt modules included in my image and I could have sworn it was with populate_sdk but that does not seem to work
>   now. Is there something that I need to configure before this will work or is there some other way that it should be built?
>  		 	   		  
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