CMake Error at bad-feature1\.cmake:[0-9]+ \(add_library\):
  Feature 'bad_feat', specified through generator-expression
  '\$<LINK_LIBRARY>' to link target 'lib', is not supported for the 'C' link
  language\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
