CMake Error at BadSources1\.cmake:[0-9]+ \(try_compile\):
  Unknown extension "\.c" for file

    .*/Tests/RunCMake/try_compile/src\.c

  try_compile\(\) works only for enabled languages\.  Currently these are:

    NONE

  See project\(\) command to enable other languages\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
