Do not derive ROOTSYS from location or rootcling.
Do not derive ROOTSYS from location or rootcling.

This is unreliable as its position depends on the install location.
Instead, use the services of libCore which does it already just fine.

satyarth934/root,mhuwiler/rootauto,root-mirror/root,gbitzes/root,agarciamontoro/root,mhuwiler/rootauto,zzxuanyuan/root,gganis/root,root-mirror/root,karies/root,davidlt/root,gbitzes/root,simonpf/root,agarciamontoro/root,davidlt/root,gbitzes/root,simonpf/root,BerserkerTroll/root,abhinavmoudgil95/root,simonpf/root,zzxuanyuan/root-compressor-dummy,gganis/root,olifre/root,abhinavmoudgil95/root,root-mirror/root,BerserkerTroll/root,karies/root,zzxuanyuan/root,olifre/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,BerserkerTroll/root,buuck/root,root-mirror/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,simonpf/root,zzxuanyuan/root-compressor-dummy,gganis/root,zzxuanyuan/root,mhuwiler/rootauto,satyarth934/root,mhuwiler/rootauto,satyarth934/root,root-mirror/root,abhinavmoudgil95/root,davidlt/root,BerserkerTroll/root,buuck/root,gbitzes/root,olifre/root,satyarth934/root,beniz/root,zzxuanyuan/root,davidlt/root,bbockelm/root,BerserkerTroll/root,bbockelm/root,beniz/root,zzxuanyuan/root-compressor-dummy,root-mirror/root,bbockelm/root,gbitzes/root,gbitzes/root,satyarth934/root,gbitzes/root,simonpf/root,zzxuanyuan/root-compressor-dummy,agarciamontoro/root,karies/root,karies/root,zzxuanyuan/root,olifre/root,gganis/root,karies/root,bbockelm/root,davidlt/root,buuck/root,agarciamontoro/root,gganis/root,olifre/root,simonpf/root,abhinavmoudgil95/root,BerserkerTroll/root,olifre/root,bbockelm/root,abhinavmoudgil95/root,buuck/root,buuck/root,abhinavmoudgil95/root,zzxuanyuan/root-compressor-dummy,simonpf/root,agarciamontoro/root,beniz/root,gbitzes/root,mhuwiler/rootauto,davidlt/root,agarciamontoro/root,karies/root,beniz/root,abhinavmoudgil95/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,bbockelm/root,simonpf/root,olifre/root,karies/root,beniz/root,root-mirror/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,abhinavmoudgil95/root,abhinavmoudgil95/root,root-mirror/root,gbitzes/root,beniz/root,satyarth934/root,beniz/root,olifre/root,zzxuanyuan/root,agarciamontoro/root,beniz/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,karies/root,satyarth934/root,simonpf/root,root-mirror/root,davidlt/root,BerserkerTroll/root,karies/root,davidlt/root,buuck/root,satyarth934/root,BerserkerTroll/root,bbockelm/root,gganis/root,agarciamontoro/root,gbitzes/root,olifre/root,BerserkerTroll/root,mhuwiler/rootauto,davidlt/root,olifre/root,mhuwiler/rootauto,agarciamontoro/root,BerserkerTroll/root,buuck/root,karies/root,mhuwiler/rootauto,beniz/root,karies/root,agarciamontoro/root,buuck/root,olifre/root,mhuwiler/rootauto,root-mirror/root,zzxuanyuan/root,BerserkerTroll/root,buuck/root,satyarth934/root,agarciamontoro/root,simonpf/root,simonpf/root,bbockelm/root,gganis/root,davidlt/root,gganis/root,bbockelm/root,gganis/root,abhinavmoudgil95/root,zzxuanyuan/root,beniz/root,gganis/root,root-mirror/root,buuck/root,davidlt/root,zzxuanyuan/root,mhuwiler/rootauto,bbockelm/root,beniz/root,zzxuanyuan/root-compressor-dummy,buuck/root,gbitzes/root,gganis/root,zzxuanyuan/root,bbockelm/root,satyarth934/root