[CMake] A way to set default compiler, etc.?

[Rolf Eike Beer]

Alexander Neundorf wrote:
> On Thursday 20 September 2012, Rolf Eike Beer wrote:
> > Am 2012-09-20 15:10, schrieb Dave Abrahams:
> > > When I invoke cmake for the first time in a project, I normally use
> > > 
> > >      -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
> > > 
> > > I'm tired of typing that every time I blow away my CMakeCache.txt.
> > > Is
> > > there a place I can register these preferences so I don't have to?
> > 
> > Don't fiddle with that variables. Ever. CMake will set them during
> > toolchain discovery and messing around with them may cause every type of
> > havoc if you are unlucky.
> 
> doing this on the initial cmake run is fine, it is equivalent to setting the
> CC/CXX environment variables. This is also what is doing when
> crosscompiling, those two variables have to be preset.

Sure, but don't tell them ;) It should only be done from within a toolchain 
file.

Eike
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