Prepare for gcc 10.
Use gcc10 only in dev4 builds until LCG_98 is out.
Disable gcc 9 builds.
Needs latest cmake_tdaq to find the proper compiler.
Edited by Reiner Hauser
Use gcc10 only in dev4 builds until LCG_98 is out.
Disable gcc 9 builds.
Needs latest cmake_tdaq to find the proper compiler.