The Windows SDK 7.1 command prompt sets this value to "WindowsSDK7.1"
through its SetEnv.cmd batch script. The MSVC Express Editions do not
include a 64bit compiler toolchain, but the Windows SDK does, so this
change makes it easier to build qmake projects for x86_64 when using
the Express Editions, by running qmake from the SDK command prompt.
See also:
http://msdn.microsoft.com/en-us/library/9yb4317s%28v=vs.100%29.aspxhttp://msdn.microsoft.com/en-us/library/ff660764%28v=vs.100%29.aspx
Task-number: QTBUG-31185
Change-Id: I49d3e159ed67f64490a3d57c5471d540d76ae13f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
0de55b6c9f