CMake Error in CMakeLists.txt: Target "somelib" has source files which vary by configuration. This is not supported by the "[^"]+" generator. Config "Debug": .*/Tests/RunCMake/TargetSources/empty_1.cpp .*/Tests/RunCMake/TargetSources/empty_2.cpp Config "Release": .*/Tests/RunCMake/TargetSources/empty_1.cpp
