[yocto] QMake & externalsrc incompatible?

[Anders Darander]

Paul Eggleton <paul.eggleton at linux.intel.com> wrote:
>On Wednesday 18 September 2013 10:47:56 Anders Darander wrote:
>> * Brad Litterell <brad at evidence.com> [130917 21:20]:
>> > I have a number of QT components that have qmake style .pro files.
>> > 
>> > In my recipe I inherit both externalsrc & qmake2.  I'm using qmake2
>based
>> > on the quicky sample recipe since I don't need X11 or the other GUI
>> > libraries.
>>
>> I've got a similar recipe setup for some of my coworkers. The main
>> difference being that we're inheriting qt4e instead of qmake2.
>> 
>> > In the bitbake work folder, the generated run.do_configure script
>> > resembles
>> > this:
>> > 
>> > cd
>/home/brad/ecom/build/toolchain/work/.../ecomapi-2.0-r0/ecomapi-2.0/
>> > ...
>> > PROFILES="`ls *.pro`"
>> > 
>> > This is the location where a tarball would normally be unpacked,
>but in
>> > this case I'm using externalsrc and the source files are not here. 
>> > Therefore the ls *.pro doesn't return anything for the automatic
>profile
>> > detection and the build fails.
>> > 
>> > My recipe is very simple (removing the description & licensing):
>> > 
>> > PV = "2.0"
>> > inherit externalsrc qmake2
>> > S = "${OEBASE}/ecomapi"
>> 
>> To make it work correctly, I used:
>> 
>> S := "${THISDIR}/chargemanager"
>> B := "${S}"
>> 
>> You shouldn't need to use :=, I was required to do that as I needed
>to
>> use THISDIR (and thus I need the expansion to occur immediately).
>> 
>> Just setting S wasn't enough for me, I needed to also define B. Note,
>> though, that this means that you can't build your recipe for multiple
>> arch's etc.
>
>This just looks like the value of PROFILES in qmake_base.bbclass needs
>to be 
>fixed to look in ${S} instead of the current directory (which would be
>${B}). 
>I'm not sure if any other tweaks would be needed for qmake to allow S
>!= B 
>though.

Thanks for the ideas. I might be able to have a look at this next week, unless someone beats me to it. 

Cheers, 
Anders 

-- 
ChargeStorm AB / eStorm