Set DOXYGEN_OUTPUT_DIRECTORY to $HOME/roodoc only if it's not yet set.
Set DOXYGEN_OUTPUT_DIRECTORY to $HOME/roodoc only if it's not yet set.

beniz/root,perovic/root,abhinavmoudgil95/root,buuck/root,olifre/root,evgeny-boger/root,buuck/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,arch1tect0r/root,georgtroska/root,mattkretz/root,gbitzes/root,gganis/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,karies/root,mattkretz/root,esakellari/root,gganis/root,agarciamontoro/root,mattkretz/root,abhinavmoudgil95/root,esakellari/root,veprbl/root,sawenzel/root,beniz/root,davidlt/root,evgeny-boger/root,satyarth934/root,mkret2/root,krafczyk/root,abhinavmoudgil95/root,olifre/root,simonpf/root,jrtomps/root,davidlt/root,satyarth934/root,georgtroska/root,abhinavmoudgil95/root,mattkretz/root,sirinath/root,beniz/root,arch1tect0r/root,Y--/root,nilqed/root,mhuwiler/rootauto,agarciamontoro/root,evgeny-boger/root,davidlt/root,mattkretz/root,jrtomps/root,agarciamontoro/root,olifre/root,agarciamontoro/root,zzxuanyuan/root,jrtomps/root,georgtroska/root,sirinath/root,pspe/root,lgiommi/root,veprbl/root,satyarth934/root,thomaskeck/root,olifre/root,arch1tect0r/root,thomaskeck/root,BerserkerTroll/root,bbockelm/root,evgeny-boger/root,veprbl/root,gganis/root,karies/root,nilqed/root,arch1tect0r/root,sawenzel/root,nilqed/root,satyarth934/root,CristinaCristescu/root,buuck/root,gganis/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,evgeny-boger/root,zzxuanyuan/root,root-mirror/root,buuck/root,veprbl/root,nilqed/root,krafczyk/root,simonpf/root,gganis/root,lgiommi/root,karies/root,agarciamontoro/root,mhuwiler/rootauto,thomaskeck/root,Y--/root,gbitzes/root,Y--/root,CristinaCristescu/root,root-mirror/root,mhuwiler/rootauto,thomaskeck/root,CristinaCristescu/root,karies/root,bbockelm/root,olifre/root,olifre/root,beniz/root,perovic/root,georgtroska/root,CristinaCristescu/root,veprbl/root,mattkretz/root,lgiommi/root,krafczyk/root,mkret2/root,CristinaCristescu/root,gganis/root,CristinaCristescu/root,BerserkerTroll/root,arch1tect0r/root,mattkretz/root,sirinath/root,sirinath/root,nilqed/root,agarciamontoro/root,sawenzel/root,zzxuanyuan/root,jrtomps/root,sirinath/root,krafczyk/root,mhuwiler/rootauto,thomaskeck/root,gganis/root,agarciamontoro/root,krafczyk/root,bbockelm/root,gbitzes/root,esakellari/root,root-mirror/root,sirinath/root,nilqed/root,zzxuanyuan/root-compressor-dummy,krafczyk/root,BerserkerTroll/root,gganis/root,karies/root,gbitzes/root,davidlt/root,sirinath/root,CristinaCristescu/root,davidlt/root,arch1tect0r/root,perovic/root,olifre/root,perovic/root,Y--/root,satyarth934/root,BerserkerTroll/root,gganis/root,olifre/root,root-mirror/root,lgiommi/root,krafczyk/root,satyarth934/root,arch1tect0r/root,pspe/root,simonpf/root,abhinavmoudgil95/root,Y--/root,gbitzes/root,satyarth934/root,mkret2/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,nilqed/root,esakellari/root,root-mirror/root,zzxuanyuan/root,pspe/root,buuck/root,CristinaCristescu/root,evgeny-boger/root,krafczyk/root,zzxuanyuan/root,olifre/root,beniz/root,davidlt/root,abhinavmoudgil95/root,sawenzel/root,simonpf/root,arch1tect0r/root,karies/root,mattkretz/root,buuck/root,gganis/root,pspe/root,mattkretz/root,jrtomps/root,georgtroska/root,evgeny-boger/root,esakellari/root,buuck/root,pspe/root,thomaskeck/root,root-mirror/root,zzxuanyuan/root,esakellari/root,gbitzes/root,zzxuanyuan/root,bbockelm/root,simonpf/root,abhinavmoudgil95/root,mhuwiler/rootauto,Y--/root,buuck/root,zzxuanyuan/root,perovic/root,beniz/root,mhuwiler/rootauto,davidlt/root,bbockelm/root,mhuwiler/rootauto,CristinaCristescu/root,satyarth934/root,Y--/root,davidlt/root,nilqed/root,pspe/root,arch1tect0r/root,nilqed/root,gbitzes/root,bbockelm/root,abhinavmoudgil95/root,georgtroska/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,pspe/root,georgtroska/root,evgeny-boger/root,esakellari/root,jrtomps/root,karies/root,root-mirror/root,veprbl/root,zzxuanyuan/root,jrtomps/root,lgiommi/root,veprbl/root,mhuwiler/rootauto,lgiommi/root,lgiommi/root,agarciamontoro/root,krafczyk/root,bbockelm/root,thomaskeck/root,buuck/root,gbitzes/root,perovic/root,satyarth934/root,abhinavmoudgil95/root,mkret2/root,veprbl/root,perovic/root,mhuwiler/rootauto,Y--/root,simonpf/root,olifre/root,karies/root,sirinath/root,pspe/root,veprbl/root,sirinath/root,lgiommi/root,davidlt/root,veprbl/root,sawenzel/root,buuck/root,sirinath/root,root-mirror/root,evgeny-boger/root,zzxuanyuan/root,simonpf/root,CristinaCristescu/root,jrtomps/root,BerserkerTroll/root,BerserkerTroll/root,mattkretz/root,davidlt/root,veprbl/root,zzxuanyuan/root-compressor-dummy,arch1tect0r/root,zzxuanyuan/root,gbitzes/root,perovic/root,BerserkerTroll/root,zzxuanyuan/root,agarciamontoro/root,arch1tect0r/root,agarciamontoro/root,karies/root,simonpf/root,buuck/root,root-mirror/root,lgiommi/root,perovic/root,sawenzel/root,karies/root,esakellari/root,evgeny-boger/root,nilqed/root,sirinath/root,thomaskeck/root,BerserkerTroll/root,krafczyk/root,agarciamontoro/root,simonpf/root,root-mirror/root,sawenzel/root,esakellari/root,mkret2/root,mkret2/root,bbockelm/root,jrtomps/root,satyarth934/root,mkret2/root,mkret2/root,jrtomps/root,jrtomps/root,simonpf/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,georgtroska/root,sawenzel/root,sawenzel/root,perovic/root,beniz/root,lgiommi/root,nilqed/root,georgtroska/root,Y--/root,beniz/root,krafczyk/root,mkret2/root,karies/root,mhuwiler/rootauto,olifre/root,sawenzel/root,zzxuanyuan/root-compressor-dummy,thomaskeck/root,pspe/root,gbitzes/root,bbockelm/root,beniz/root,zzxuanyuan/root-compressor-dummy,thomaskeck/root,esakellari/root,georgtroska/root,sawenzel/root,esakellari/root,pspe/root,Y--/root,bbockelm/root,mhuwiler/rootauto,mkret2/root,root-mirror/root,georgtroska/root,lgiommi/root,abhinavmoudgil95/root,gbitzes/root,CristinaCristescu/root,evgeny-boger/root,mkret2/root,davidlt/root,beniz/root,simonpf/root,bbockelm/root,beniz/root,pspe/root,mattkretz/root,Y--/root,perovic/root,gganis/root