Comment # 3 on bug 1179766 from Dominique Leuenberger

(In reply to Martin Sirringhaus from comment #2)
> That is in the %build-section because it builds the langpacks.
> Building them in %install doesn't feel right.
> 
> So I will try to build them in %build, copy them somewhere in
> `$RPM_BUILD_DIR` rather then buildroot and copy again during %install
> (including doing the mkdir)

Right; %build to build, %install to install (as it's in the name :) )

Maybe you can skip the first copy in your proposal? and copy from wherever they
are being created in %build during %install? The data from %build is not being
lost after all (or do we lose the information about available files somehow?)