[cmake-developers] [PATCH 3/3] VS: Pass MSVC compiler flags in upper case

[Bach, Pascal]

> > At first I tought the way things work was:
> > Windows-MSVC.cmake and Co construct a commandline with the required
> flags.
> > The VS generator parses this command line and uses the cmVS7FlagTable
> to
> > translate the known flags to XML elements.
> > (Unknown arguments get passed as additional arguments).
> 
> This is done for a subset of the sources of flags, specifically
> those settable by users and project code.  We can't use a complete
> command line like that in CMAKE_${lang}_CREATE_SHARED_LIBRARY
> because that will contain a lot of pieces besides the flags.
> Also multi-configuration is an issue as you point out.
> 
> You would need to create new variables in Windows-MSVC to hold
> the flags to be scanned by the VS generators.  Then re-use the
> flags in constructing the other rule variables with command-lines
> used by the Makefile and Ninja generators.

Looks like a bigger refactoring would be needed.
Maybe for the moment it is better to implement it analogous to WindowsPhone
and then later refactor the whole thing.

Pascal