Wanting to move to the latest production release of ROOT.
New and interesting additionshttp://root.cern.ch/root/Version516.news.html
Meaning of icons:
- For regular GLAST CMT packages, indicates that the package compiles with the new ROOT, and that any test programs execute properly; the meaning of other check marks depends on what the component is.
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renamed cygwin's link.exe to link_cyg.exe:
http://root.cern.ch/root/roottalk/roottalk06/1448.html
Avoids cygwin's link app from interfering with the build
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