...
Such as checkoutBuild, compileBuild, triggerBuild, etc. For Linux OSes, they're kept under ~glastrm/grits-cpp. The sym link bin is translated according to the value of \@sys on that platform. For rhel7 values are currently (and likely to remain) amd64_rhel70 and amd64_rhel60.
Externals
RM programs depend at a minimum on Qt and MySQL. Similar to the executables, they're stored under a directory with a name of the form /nfs/farm/g/glast/u35/grits-externals/some-dir where some-dir is in the platform's sysname list.
Possible short-cut
It may be that we can get by with the rhel6 binaries of RM programs and externals to begin with. (The rhel5 build of GoGui, another Qt-based program, is perfectly usable on rhel6 and comes up with no complaints on rhel7.) Ultimately we should have a native rhel7 build, but if the rhel6 binaries are usable the db updates and Jenkins interface could be tested much more quickly.
...