[CMake] turning off compile testing

[Alexander Neundorf]

On Thursday 13 December 2007, Josef Karthauser wrote:
> > -----Original Message-----
> >
> > > We do it this way:
> > >
> > >      cmake -DCMAKE_CXX_COMPILER_WORKS=1 -DCMAKE_C_COMPILER_WORKS=1
> > > -DHAVE_CMAKE_SIZEOF_VOID_P=1 .
> >
> > That looks like a bad idea to me....  The void one in particular.  You
> > should really be careful about setting stuff like this by hand....
>
> It's a hack granted, but there is no other way of telling CMake to
> ignore the compiler - the compiler tests aren't as clean as one might
> like, and so fail for some of the compilers that we use.  The
> HAVE_CMAKE_SIZEOF_VOID_P variable is used, if I remember correctly, to
> determine whether the host environment is 32 or 64 bit in order to
> select the correct compiler.  However as we are cross compiling, the
> host environment is entirely irrelevant, however without this variable
> set cmake persists in trying to work it out.  I'm sure that most of this
> pain goes away in the 2.7 release - I'm looking forward to evaluating

I guess you mean 2.6 ?
The tests have been changed so that the simple test doesn't call printf() 
anymore and the test for the sizeof void* doesn't try to run an executable 
anymore.

Does this fix the issues you have ?

Alex