checking for cc way to treat warnings as errors... -Werror
  CC       test/run_tests-test-connection-fail.o
  CC       test/run_tests-test-dlerror.o
  CC       test/run_tests-test-fail-always.o
  CC       test/run_tests-test-error.o
  CC       test/run_tests-test-not-readable-nor-writable-on-read-error.o
  CC       test/run_tests-test-pipe-bind-error.o
  CC       test/run_tests-test-pipe-connect-error.o
  CC       test/run_tests-test-tcp-alloc-cb-fail.o
  CC       test/run_tests-test-tcp-bind-error.o
  CC       test/run_tests-test-tcp-bind6-error.o
  CC       test/run_tests-test-tcp-connect-error-after-write.o
  CC       test/run_tests-test-tcp-connect-error.o
  CC       test/run_tests-test-tcp-connect6-error.o
  CC       test/run_tests-test-tcp-write-fail.o
  CC       test/run_tests-test-tcp-try-write-error.o
  CC       test/run_tests-test-udp-alloc-cb-fail.o
  CC       test/run_tests-test-udp-sendmmsg-error.o
ok 23 - connection_fail
ok 24 - connection_fail_doesnt_auto_close
ok 28 - dlerror
ok 33 - error_message
ok 81 - fs_get_system_error
ok 134 - getaddrinfo_fail
ok 135 - getaddrinfo_fail_sync
ok 186 - not_readable_nor_writable_on_read_error
ok 189 - pipe_bind_error_addrinuse
ok 190 - pipe_bind_error_addrnotavail
ok 191 - pipe_bind_error_inval
ok 192 - pipe_bind_or_listen_error_after_close
ok 260 - spawn_fails
ok 261 - spawn_fails_check_for_waitpid_cleanup
ok 270 - spawn_setgid_fails
ok 271 - spawn_setuid_fails
ok 285 - sys_error
ok 289 - tcp_alloc_cb_fail
ok 290 - tcp_bind6_error_addrinuse
ok 291 - tcp_bind6_error_addrnotavail
ok 292 - tcp_bind6_error_fault
ok 293 - tcp_bind6_error_inval
ok 295 - tcp_bind_error_addrinuse_connect
ok 296 - tcp_bind_error_addrinuse_listen
ok 297 - tcp_bind_error_addrnotavail_1
ok 298 - tcp_bind_error_addrnotavail_2
ok 299 - tcp_bind_error_fault
ok 300 - tcp_bind_error_inval
ok 303 - tcp_bind_or_listen_error_after_close
ok 314 - tcp_connect6_error_fault
ok 316 - tcp_connect_error_after_write
ok 317 - tcp_connect_error_fault
ok 344 - tcp_try_write_error
ok 347 - tcp_write_fail