[CMake] Windows Registry keys and values

[Bill Hoffman]

Pau Garcia i Quiles wrote:
>
> ============
> GET_FILENAME_COMPONENT( THE_PATH  
> [HKEY_LOCAL_MACHINE\\SOFTWARE\\Boost-Consulting.com\\1.34.0;InstallRoot] 
> )
>
> MESSAGE( "THE_PATH = ${THE_PATH}" )
> ============
>
> I receive this error:
>
> ============
> C:\temp3\a>cmake ..
> -- Check for working C compiler: cl
> -- Check for working C compiler: cl -- works
> -- Check size of void*
> -- Check size of void* - done
> -- Check for working CXX compiler: cl
> -- Check for working CXX compiler: cl -- works
> CMake Error: Error in cmake code at
> C:/temp3/CMakeLists.txt:1:
> GET_FILENAME_COMPONENT called with incorrect number of arguments
> Current CMake stack: C:/temp3/CMakeLists.txt;C:/Archivos de 
> programa/CMake 
> 2.4/share/cmake-2.4/Modules/CMakeCInformation.cmake;C:/Archivos de 
> programa/CMake 
> 2.4/share/cmake-2.4/Modules/Platform/Windows-cl.cmake;C:/temp3/a/CMakeFiles/CMakeCP 
>
> latform.cmake
Sure, and it is wrong...
This should work:

GET_FILENAME_COMPONENT( THE_PATH  
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Boost-Consulting.com\\1.34.0;InstallRoot]  
PATH)

See the docs for GET_FILENAME_COMPONENT.

-Bill