Watchman.c return error during installation

[suborx]

Setup: Ubuntu 16.04, Ruby 2.4.1, RVM, Vim 8 (with ruby support)
Issue: During compilation I get this error.

compiling watchman.c
watchman.c: In function ‘watchman_raise_system_call_error’:
watchman.c:546:6: warning: function might be candidate for attribute ‘noreturn’ [-Wsuggest-attribute=noreturn]
void watchman_raise_system_call_error(int number) {
^
watchman.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-tautological-compare’
linking shared-object ext.so

I also installed watchman, but it didn't solve the probelm.

Can you please help?

[wincent]

Is I gather it worked but with warnings?

[suborx]

Thank you for reply. Problem is solved, suddenly it start working when I install and run watchman.

[wincent]

Great.