set macro path only when it has been changed.
set macro path only when it has been changed.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@33632 27541ba8-7e3a-0410-8455-c3a389f83636

arch1tect0r/root,karies/root,alexschlueter/cern-root,nilqed/root,alexschlueter/cern-root,alexschlueter/cern-root,evgeny-boger/root,omazapa/root-old,abhinavmoudgil95/root,sirinath/root,dfunke/root,vukasinmilosevic/root,veprbl/root,gbitzes/root,smarinac/root,dfunke/root,satyarth934/root,smarinac/root,mhuwiler/rootauto,tc3t/qoot,lgiommi/root,CristinaCristescu/root,abhinavmoudgil95/root,veprbl/root,strykejern/TTreeReader,agarciamontoro/root,lgiommi/root,alexschlueter/cern-root,veprbl/root,lgiommi/root,omazapa/root-old,0x0all/ROOT,davidlt/root,cxx-hep/root-cern,satyarth934/root,mattkretz/root,pspe/root,Y--/root,dfunke/root,Duraznos/root,smarinac/root,vukasinmilosevic/root,buuck/root,arch1tect0r/root,lgiommi/root,mkret2/root,buuck/root,strykejern/TTreeReader,vukasinmilosevic/root,karies/root,simonpf/root,sbinet/cxx-root,esakellari/root,esakellari/root,agarciamontoro/root,vukasinmilosevic/root,evgeny-boger/root,simonpf/root,Dr15Jones/root,CristinaCristescu/root,buuck/root,alexschlueter/cern-root,sawenzel/root,satyarth934/root,thomaskeck/root,root-mirror/root,root-mirror/root,Duraznos/root,tc3t/qoot,gganis/root,cxx-hep/root-cern,zzxuanyuan/root,pspe/root,gganis/root,evgeny-boger/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,jrtomps/root,pspe/root,buuck/root,0x0all/ROOT,Y--/root,esakellari/my_root_for_test,CristinaCristescu/root,omazapa/root,kirbyherm/root-r-tools,esakellari/root,root-mirror/root,karies/root,gganis/root,esakellari/my_root_for_test,perovic/root,georgtroska/root,sawenzel/root,buuck/root,beniz/root,BerserkerTroll/root,bbockelm/root,mattkretz/root,perovic/root,veprbl/root,CristinaCristescu/root,mkret2/root,mkret2/root,simonpf/root,georgtroska/root,tc3t/qoot,sawenzel/root,omazapa/root,georgtroska/root,agarciamontoro/root,omazapa/root-old,Y--/root,veprbl/root,zzxuanyuan/root-compressor-dummy,veprbl/root,beniz/root,perovic/root,lgiommi/root,satyarth934/root,vukasinmilosevic/root,krafczyk/root,root-mirror/root,BerserkerTroll/root,CristinaCristescu/root,Y--/root,zzxuanyuan/root,Y--/root,esakellari/my_root_for_test,gbitzes/root,gbitzes/root,mhuwiler/rootauto,pspe/root,esakellari/root,pspe/root,veprbl/root,tc3t/qoot,agarciamontoro/root,CristinaCristescu/root,krafczyk/root,bbockelm/root,olifre/root,sawenzel/root,thomaskeck/root,vukasinmilosevic/root,tc3t/qoot,abhinavmoudgil95/root,mattkretz/root,cxx-hep/root-cern,arch1tect0r/root,karies/root,CristinaCristescu/root,ffurano/root5,jrtomps/root,kirbyherm/root-r-tools,olifre/root,buuck/root,zzxuanyuan/root,georgtroska/root,zzxuanyuan/root-compressor-dummy,Duraznos/root,Y--/root,tc3t/qoot,Dr15Jones/root,sawenzel/root,Duraznos/root,gganis/root,sawenzel/root,perovic/root,CristinaCristescu/root,cxx-hep/root-cern,davidlt/root,krafczyk/root,zzxuanyuan/root-compressor-dummy,sirinath/root,bbockelm/root,gbitzes/root,mhuwiler/rootauto,nilqed/root,davidlt/root,sirinath/root,cxx-hep/root-cern,krafczyk/root,omazapa/root,omazapa/root-old,krafczyk/root,alexschlueter/cern-root,esakellari/my_root_for_test,mkret2/root,lgiommi/root,arch1tect0r/root,root-mirror/root,karies/root,BerserkerTroll/root,davidlt/root,zzxuanyuan/root,olifre/root,beniz/root,mattkretz/root,jrtomps/root,ffurano/root5,mhuwiler/rootauto,davidlt/root,evgeny-boger/root,dfunke/root,omazapa/root,thomaskeck/root,sirinath/root,olifre/root,bbockelm/root,strykejern/TTreeReader,karies/root,Y--/root,mkret2/root,evgeny-boger/root,mhuwiler/rootauto,dfunke/root,sbinet/cxx-root,gganis/root,olifre/root,olifre/root,jrtomps/root,alexschlueter/cern-root,esakellari/my_root_for_test,buuck/root,sirinath/root,davidlt/root,root-mirror/root,vukasinmilosevic/root,simonpf/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,sbinet/cxx-root,omazapa/root-old,omazapa/root-old,BerserkerTroll/root,smarinac/root,arch1tect0r/root,satyarth934/root,buuck/root,esakellari/root,0x0all/ROOT,abhinavmoudgil95/root,zzxuanyuan/root,root-mirror/root,gbitzes/root,satyarth934/root,smarinac/root,sawenzel/root,dfunke/root,mattkretz/root,omazapa/root-old,Dr15Jones/root,BerserkerTroll/root,ffurano/root5,0x0all/ROOT,olifre/root,kirbyherm/root-r-tools,omazapa/root-old,mhuwiler/rootauto,nilqed/root,mkret2/root,gganis/root,satyarth934/root,nilqed/root,mhuwiler/rootauto,perovic/root,lgiommi/root,pspe/root,agarciamontoro/root,gbitzes/root,davidlt/root,evgeny-boger/root,agarciamontoro/root,0x0all/ROOT,karies/root,perovic/root,cxx-hep/root-cern,karies/root,smarinac/root,mattkretz/root,mhuwiler/rootauto,lgiommi/root,perovic/root,esakellari/my_root_for_test,CristinaCristescu/root,omazapa/root,krafczyk/root,Duraznos/root,root-mirror/root,sbinet/cxx-root,abhinavmoudgil95/root,ffurano/root5,lgiommi/root,mattkretz/root,tc3t/qoot,Dr15Jones/root,krafczyk/root,esakellari/root,georgtroska/root,nilqed/root,dfunke/root,beniz/root,agarciamontoro/root,jrtomps/root,georgtroska/root,arch1tect0r/root,Y--/root,satyarth934/root,Duraznos/root,lgiommi/root,Y--/root,zzxuanyuan/root-compressor-dummy,gganis/root,mhuwiler/rootauto,tc3t/qoot,0x0all/ROOT,zzxuanyuan/root-compressor-dummy,ro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