How to build SCL enabled packages

Hi,

I'm trying to make it possible to build the same

as SCL and as a conventional package. I have a meta package and a bunch of "dependencies" which I converted from conventional spec files. There is no problem when I try to build it as SCL package (as described here: https://access.redhat.com/documentation/en-US/Red_Hat_Developer_Toolset/1/html-single/Software_Collections_Guide/#sect-Building_a_Software_Collection_Locally), but I still want to build it as a conventional (i.e. not defining at build time).

Also I have other SCLs installed in my system (

for example)... So when I build a conventional package macro gets defined anyway! And it came from which defines it to ... After build my "conventional" package named w/ prefix and installed to just another (random) SCL instead :(

Any hint how can I build a really conventional package?