[CMake] Set default build type in CMakeLists.txt

[Tyler Roscoe]

On Mon, Jun 22, 2009 at 11:42:34AM -0400, David Doria wrote:
> I thought I could set the default build type with the following:
> 
> SET(CMAKE_BUILD_TYPE debug)
> PROJECT(Test)
> ADD_EXECUTABLE(Test Test.cpp)
> 
> However, when I run ccmake and then press 'c', the CMAKE_BUILD_TYPE field is
> still empty. Is it set and just not showing up? Or has it not been set
> properly?

You need to use the form set(... CACHE ...) if you want that value to
appear in the cache. Look at the docs for set().

tyler