cmake FMT_HAS_VARIANT examples

facebookarchive/Polygames src/third_party/fmt/support/cmake/cxx14.cmake :73 

check_cxx_source_compiles("
  #include <variant>
  int main() {}"
  FMT_HAS_VARIANT)

etternagame/etterna extern/fmt/support/cmake/cxx14.cmake :62 

check_cxx_source_compiles("
  #include <variant>
  int main() {}"
  FMT_HAS_VARIANT)

NREL/EnergyPlus third_party/fmt-8.0.1/support/cmake/cxx14.cmake :62 

check_cxx_source_compiles("
  #include <variant>
  int main() {}"
  FMT_HAS_VARIANT)

brainflow-dev/brainflow third_party/fmt/support/cmake/cxx14.cmake :62 

check_cxx_source_compiles("
  #include <variant>
  int main() {}"
  FMT_HAS_VARIANT)