^CMake Warning \(author\) at .*/Modules/GNUInstallDirs\.cmake:[0-9]+ \(message\):
  Unable to determine default CMAKE_INSTALL_LIBDIR directory because no
  target architecture is known\.  Please enable at least one language before
  including GNUInstallDirs\.
Call Stack \(most recent call first\):
  .*GNUInstallDirs\.cmake:[0-9]+ \(_GNUInstallDirs_LIBDIR_get_default\)
  .*GNUInstallDirs\.cmake:[0-9]+ \(cmake_language\)
  .*GNUInstallDirs\.cmake:[0-9]+ \(_GNUInstallDirs_cache_path\)
  NoSystem\.cmake:[0-9]+ \(include\)
  CMakeLists\.txt:[0-9]+ \(include\)
This warning is for project developers\.  Use -Wno-author to suppress it\.$
