current directory: /Users/satoshi/spiral_form/vendor/bundle/gems/nio4r-2.4.0/ext/nio4r
/Users/satoshi/.rbenv/versions/2.5.1/bin/ruby -I /Users/satoshi/.rbenv/versions/2.5.1/lib/ruby/site_ruby/2.5.0 -r ./siteconf20190813-79762-rqhfvr.rb extconf.rb
checking for unistd.h... yes
checking for sys/select.h... yes
checking for port_event_t in poll.h... no
checking for sys/epoll.h... no
checking for sys/event.h... yes
checking for sys/queue.h... yes
checking for port_event_t in port.h... no
checking for sys/resource.h... yes
creating Makefile

current directory: /Users/satoshi/spiral_form/vendor/bundle/gems/nio4r-2.4.0/ext/nio4r
make "DESTDIR=" clean

current directory: /Users/satoshi/spiral_form/vendor/bundle/gems/nio4r-2.4.0/ext/nio4r
make "DESTDIR="
compiling bytebuffer.c
compiling monitor.c
compiling nio4r_ext.c
In file included from nio4r_ext.c:7:
./../libev/ev.c:494:48: warning: '/*' within block comment [-Wcomment]
/*#define MIN_INTERVAL  0.00000095367431640625 /* 1/2**20, good till 2200 */
                                               ^
./../libev/ev.c:1845:31: warning: 'extern' variable has an initializer [-Wextern-initializer]
  EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
                              ^
In file included from nio4r_ext.c:7:
In file included from ./../libev/ev.c:2721:
./../libev/ev_poll.c:111:18: warning: expression result unused [-Wunused-value]
        assert (("libev: poll() returned illegal result, broken BSD kernel?", p < polls + pollcnt));
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3135:12: warning: expression result unused [-Wunused-value]
  assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3138:14: warning: expression result unused [-Wunused-value]
    assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3149:16: warning: expression result unused [-Wunused-value]
      assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3150:16: warning: expression result unused [-Wunused-value]
      assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3151:16: warning: expression result unused [-Wunused-value]
      assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3163:16: warning: expression result unused [-Wunused-value]
      assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3181:14: warning: expression result unused [-Wunused-value]
    assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3194:24: warning: expression result unused [-Wunused-value]
              assert (("libev: io watcher list contains a loop", w != w2));
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3198:20: warning: expression result unused [-Wunused-value]
          assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3199:20: warning: expression result unused [-Wunused-value]
          assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3385:24: warning: expression result unused [-Wunused-value]
              assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3448:24: warning: expression result unused [-Wunused-value]
              assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3594:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
./../libev/ev.c:3608:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3764:36: warning: incompatible pointer types passing 'VALUE (void *)' (aka 'unsigned long (void *)') to parameter of type 'void *(*)(void *)' [-Wincompatible-pointer-types]
        rb_thread_call_without_gvl(ev_backend_poll, (void *)&poll_args, RUBY_UBF_IO, 0);
                                   ^~~~~~~~~~~~~~~
/Users/satoshi/.rbenv/versions/2.5.1/include/ruby-2.5.0/ruby/thread.h:28:42: note: passing argument to parameter 'func' here
void *rb_thread_call_without_gvl(void *(*func)(void *), void *data1,
                                         ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3776:22: warning: expression result unused [-Wunused-value]
            assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3951:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_io_start called with negative fd", fd >= 0));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3952:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3961:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3963:34: warning: '&' within '|' [-Wbitwise-op-parentheses]
  fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
                       ~~~~~~~~~~^~~~~~~~~~~~~ ~
./../libev/ev.c:3963:34: note: place parentheses around the '&' expression to silence this warning
  fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
                                 ^
                       (                      )
./../libev/ev.c:3977:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3998:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4027:14: warning: expression result unused [-Wunused-value]
    assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4091:16: warning: expression result unused [-Wunused-value]
      assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4124:14: warning: expression result unused [-Wunused-value]
    assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4163:12: warning: expression result unused [-Wunused-value]
  assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4166:12: warning: expression result unused [-Wunused-value]
  assert (("libev: a signal must not be attached to two different loops",
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4285:12: warning: expression result unused [-Wunused-value]
  assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4870:14: warning: expression result unused [-Wunused-value]
    assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
nio4r_ext.c:15:22: warning: incompatible pointer types passing 'void *(void *, size_t)' (aka 'void *(void *, unsigned long)') to parameter of type 'void *(*)(void *, long)' [-Wincompatible-pointer-types]
    ev_set_allocator(xrealloc);
                     ^~~~~~~~
/Users/satoshi/.rbenv/versions/2.5.1/include/ruby-2.5.0/ruby/defines.h:197:18: note: expanded from macro 'xrealloc'
#define xrealloc ruby_xrealloc
                 ^~~~~~~~~~~~~
./../libev/ev.c:1747:27: note: passing argument to parameter 'cb' here
ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
                          ^
33 warnings generated.
compiling selector.c
linking shared-object nio4r_ext.bundle

current directory: /Users/satoshi/spiral_form/vendor/bundle/gems/nio4r-2.4.0/ext/nio4r
make "DESTDIR=" install
/usr/bin/install -c -m 0755 nio4r_ext.bundle ./.gem.20190813-79762-bl0d77