Check that MSVC install dir returned by registry actually exists before using it...
authorgaryo <garyo@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Wed, 5 Aug 2009 13:53:02 +0000 (13:53 +0000)
committergaryo <garyo@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Wed, 5 Aug 2009 13:53:02 +0000 (13:53 +0000)
commit89a48d6b834bfbe09d3675d406f6993f00bbb0b5
treea01f573cc9d869baf80eb7374799f6e6b25a454b
parentafc414039ac2c98d25c95f7afa23bfe17d81ee97
Check that MSVC install dir returned by registry actually exists before using it.  Also added some debug stmts to vc.py.

git-svn-id: http://scons.tigris.org/svn/scons/trunk@4321 fdb21ef1-2011-0410-befe-b5e4ea1792b1
src/engine/SCons/Tool/MSCommon/vc.py