spec: Don't mix commands with macro definitions
spec: Don't mix commands with macro definitions

%build section should first define all required macros and then run
commands. Interleaving them makes it harder to spot what commands are
run.

jardasgit/libvirt,crobinso/libvirt,eskultety/libvirt,fabianfreyer/libvirt,datto/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,olafhering/libvirt,olafhering/libvirt,jfehlig/libvirt,agx/libvirt,agx/libvirt,rlaager/libvirt,VenkatDatta/libvirt,zippy2/libvirt,elmarco/libvirt,zippy2/libvirt,cbosdo/libvirt,jardasgit/libvirt,zippy2/libvirt,crobinso/libvirt,datto/libvirt,olafhering/libvirt,shugaoye/libvirt,datto/libvirt,crobinso/libvirt,jfehlig/libvirt,eskultety/libvirt,elmarco/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,shugaoye/libvirt,zhlcindy/libvirt-1.1.4-maintain,cbosdo/libvirt,nertpinx/libvirt,libvirt/libvirt,rlaager/libvirt,nertpinx/libvirt,taget/libvirt,fabianfreyer/libvirt,crobinso/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,andreabolognani/libvirt,cbosdo/libvirt,eskultety/libvirt,rlaager/libvirt,elmarco/libvirt,zhlcindy/libvirt-1.1.4-maintain,taget/libvirt,cbosdo/libvirt,datto/libvirt,datto/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,andreabolognani/libvirt,agx/libvirt,rlaager/libvirt,elmarco/libvirt,jardasgit/libvirt,libvirt/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,zippy2/libvirt,zhlcindy/libvirt-1.1.4-maintain,taget/libvirt,taget/libvirt,libvirt/libvirt,olafhering/libvirt,elmarco/libvirt,shugaoye/libvirt,jfehlig/libvirt,taget/libvirt,eskultety/libvirt,agx/libvirt,cbosdo/libvirt,VenkatDatta/libvirt,eskultety/libvirt,nertpinx/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jardasgit/libvirt,shugaoye/libvirt,agx/libvirt,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,shugaoye/libvirt