Supress warnings from external package dCache
Supress warnings from external package dCache

Also remove add_definitions(-pthread) from CMakeLists.txt.
This is not the right function to use to add the flag, and
it is already taken care of by cmake/modules/CheckCompiler.cmake
in any case.

root-mirror/root,simonpf/root,karies/root,root-mirror/root,zzxuanyuan/root,zzxuanyuan/root,simonpf/root,zzxuanyuan/root,karies/root,zzxuanyuan/root,zzxuanyuan/root,simonpf/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,simonpf/root,root-mirror/root,simonpf/root,olifre/root,olifre/root,karies/root,olifre/root,olifre/root,zzxuanyuan/root,zzxuanyuan/root,simonpf/root,root-mirror/root,zzxuanyuan/root,karies/root,olifre/root,olifre/root,zzxuanyuan/root,olifre/root,karies/root,simonpf/root,simonpf/root,karies/root,karies/root,zzxuanyuan/root,karies/root,root-mirror/root,simonpf/root,simonpf/root,karies/root,zzxuanyuan/root,olifre/root,olifre/root,olifre/root,zzxuanyuan/root,simonpf/root,karies/root