That wouldn't be good for what I am trying to do. I just need: _USE_MATH_DEFINES
for all files so that Visual C++ recognizes M_PI. Creating a header file dependency could trigger a huge storm of recompilations just by touching the file. I'll just have to be careful around Visual C++. Juan On Mon, Aug 31, 2009 at 11:16 AM, Clinton Stimpson <[email protected]>wrote: > On Sunday 30 August 2009 12:20:51 pm Philip Lowman wrote: > > On Tue, Aug 25, 2009 at 1:32 PM, j s <[email protected]> wrote: > > > I am using the Visual Studio generator from the cmake binary > > > distribution. If I change flags using ADD_DEFINITIONS, I notice that it > > > doesn't trigger a rebuild of all the affected files. > > > > > > Is this by design? > > > > I've known and worked around this limitation for a few years now. The > > easiest thing to do is clean the entire solution if you change any > compile > > flags whatsoever (unless you know exactly what you changed and the impact > > of doing it). > > > > The problem is that VS doesn't remember the old flags when you open up a > > project file with new flags so isn't capable of cleaning the project for > > you. This issue could probably be worked around in CMake itself one way > or > > another but it's never been worked on to my knowledge. > > Or how about putting it into a configured header file instead? > Visual Studio rebuilds correctly if you do it that way. > > Clint > >
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