[CMake] CMAKE_C_COMPILER ignored

[Amitha Perera]

Volker wrote:
> But i don't see the use of the CMAKE_C_COMPILER variable. Setting this seems 
> to have no effect at all. I removed everything related to cmake (except said 
> CMakeList.txt) from my build-tree and my source-tree. *Then* i ran a clean 
> cmake.

(There shouldn't be any CMake generated files in your source tree, if 
your build tree != your source tree.)

> So i figure the compiler to use can only be set via enviroment vars or by 
> editing CMakeCache.txt after running cmake. (??)

In general, yes.

> But how does this SET( CMAKE_C_COMPILER ....) work? I saw it in several 
> examples on google searching for CMAKE_C_COMPILER.

Probably through the -C command line option to CMake. (cmake --help.) 
You can use that to set up the initial cache values through CMake script.

Amitha.