[CMake] CMAKE_CXX_COMPILER: problem setting

[Bill Hoffman]

Steven Van Ingelgem wrote:
> Hi,
> 
> 
> I tried today on a Mac:
> ccmake .
> & change there the CMAKE_CXX_COMPILER setting from /usr/bin/c++ -> /usr/bin/g++
> 
> but it doesn't get saved inside the CMakeCache, and everything is
> still being compiled with c++ instead of g++
> 
> What can I do to fix this or is this an issue in CMake?
> 

Once the compiler is picked, you can not change it.  c++ and g++ should 
be the same thing on the Mac.  If you want g++, you can do this:
export CXX=g++
ccmake .

But, you have to start with a clean build tree.

-Bill