Cache the results from _parse_msvc8_overrides. This saves a lot of time parsing that big XML file with the user prefs in it, since we try to get the preferred library paths many times during the course of a build.
Cache the results from _parse_msvc8_overrides. This saves a lot of time
parsing that big XML file with the user prefs in it, since we try to get
the preferred library paths many times during the course of a build.


git-svn-id: a09fc7f8f34442bcbbf372cd8d1089aed9932d7b@20053 a347f3a1-5518-0410-bf23-827ba1738e83

datalogics/scons,datalogics-robb/scons,datalogics/scons,datalogics-robb/scons,datalogics-robb/scons,datalogics/scons,datalogics-robb/scons,datalogics/scons