Use check_include_files instead of check_include_file
Use check_include_files instead of check_include_file

JackDunaway/featherweight-nanomsg,wirebirdlabs/featherweight-nanomsg,JackDunaway/featherweight-nanomsg,wirebirdlabs/featherweight-nanomsg,wirebirdlabs/featherweight-nanomsg,JackDunaway/featherweight-nanomsg