[CMake] Not finding build type when using cmake with llvm/clang

[Edward Diener]

On 3/5/2014 3:19 AM, Kevin Funk wrote:
> Am Mittwoch, 5. März 2014, 00:29:55 schrieb Edward Diener:
>> When trying to build llvm/clang on Windows using cmake I execute from a
>> build directory I created:
>>
>> cmake -DCMAKE_BUILD_TYPE=Release -G "MinGW Makefiles" ..\llvm
>>
>> only to receive:
>>
>> CMake Error: CMake was unable to find a build program corresponding to
>> "MinGW Makefiles".  CMAKE_MAKE_PROGRAM is not set.  You probably need to
>> select a different build tool.
>> CMake Error: CMake was unable to find a build program corresponding to
>> "MinGW Makefiles".  CMAKE_MAKE_PROGRAM is not set.  You probably need to
>> select a different build tool.
>> CMake Error: Error required internal CMake variable not set, cmake may
>> be not be built correctly.
>> Missing variable is:
>> CMAKE_C_COMPILER_ENV_VAR
>> CMake Error: Error required internal CMake variable not set, cmake may
>> be not be built correctly.
>> Missing variable is:
>> CMAKE_C_COMPILER
>> CMake Error: Could not find cmake module file:
>> C:/Programming/VersionControl/bmw64_clang/CMakeFiles/2.8.12.1/CMakeCCompiler
>> .cmake CMake Error: Error required internal CMake variable not set, cmake
>> may be not be built correctly.
>> Missing variable is:
>> CMAKE_CXX_COMPILER_ENV_VAR
>> CMake Error: Error required internal CMake variable not set, cmake may
>> be not be built correctly.
>> Missing variable is:
>> CMAKE_CXX_COMPILER
>> CMake Error: Could not find cmake module file:
>> C:/Programming/VersionControl/bmw64_clang/CMakeFiles/2.8.12.1/CMakeCXXCompil
>> er.cmake CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
>> CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
>> -- Configuring incomplete, errors occurred!
>> See also
>> "C:/Programming/VersionControl/bmw64_clang/CMakeFiles/CMakeOutput.log".
>> See also
>> "C:/Programming/VersionControl/bmw64_clang/CMakeFiles/CMakeError.log".
>>
>> I am using cmake 2.8.12.1. The doc says that "MinGW Makefiles" is a
>> valid build type.
>>
>> Why is cmake looking for and why is i failing ?
>>
>> If I use "Ninja" as the build type cmake works fine.
>
> Hey,
>
> First hit on Google:
> http://stackoverflow.com/questions/6141608/cmake-make-program-not-found
>
> CMake doesn't seem to find 'make.exe' from the MinGW installation. Make sure
> it is in your %PATH%.

MingW does not have a "make.exe" at all. What actual program is cmake 
looking for when "MinGW Makefiles" is specified ?

>
> Cheers
>