current directory: /home/ajith/workspace/argon/vendor/bundle/ruby/2.7.0/gems/nio4r-2.5.2/ext/nio4r
/home/ajith/usr/lib/ruby-2.7.0/bin/ruby -I /home/ajith/usr/lib/ruby-2.7.0/lib/ruby/2.7.0 -r ./siteconf20200309-3860699-152zusx.rb extconf.rb
checking for unistd.h... yes
checking for linux/aio_abi.h... yes
checking for sys/select.h... yes
checking for port_event_t in poll.h... no
checking for sys/epoll.h... yes
checking for sys/event.h... no
checking for port_event_t in port.h... no
checking for sys/resource.h... yes
creating Makefile

current directory: /home/ajith/workspace/argon/vendor/bundle/ruby/2.7.0/gems/nio4r-2.5.2/ext/nio4r
make "DESTDIR=" clean

current directory: /home/ajith/workspace/argon/vendor/bundle/ruby/2.7.0/gems/nio4r-2.5.2/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:511:48: warning: "/*" within comment [-Wcomment]
  511 | /*#define MIN_INTERVAL  0.00000095367431640625 /* 1/2**20, good till 2200 */
      |                                                 
In file included from nio4r_ext.c:7:
../libev/ev.c: In function ‘ecb_binary32_to_binary16’:
../libev/ev.c:1302:13: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Wsign-compare]
 1302 |       if (e < (14 - 24)) /* might not be sharp, but is good enough */
      |             ^
In file included from nio4r_ext.c:7:
../libev/ev.c: At top level:
../libev/ev.c:1867:31: warning: ‘ev_default_loop_ptr’ initialized and declared ‘extern’
 1867 |   EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
      |                               ^~~~~~~~~~~~~~~~~~~
../libev/ev.c: In function ‘array_nextsize’:
../libev/ev.c:1978:19: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Wsign-compare]
 1978 |   if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
      |                   ^
In file included from ../libev/ev.c:2745,
                 from nio4r_ext.c:7:
../libev/ev_linuxaio.c: In function ‘linuxaio_poll’:
../libev/ev_linuxaio.c:498:10: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
  498 |       if (expect_false (res < 0))
      |          ^
In file included from nio4r_ext.c:7:
../libev/ev.c: In function ‘ev_io_start’:
../libev/ev.c:4014:34: warning: suggest parentheses around arithmetic in operand of ‘|’ [-Wparentheses]
 4014 |   fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
      |                        ~~~~~~~~~~^~~~~~~~~~~~~
../libev/ev.c: At top level:
../libev/ev.c:5268:27: warning: "/*" within comment [-Wcomment]
 5268 | /* EV_STAT     0x00001000 /* stat data changed */
      |                            
../libev/ev.c:5269:27: warning: "/*" within comment [-Wcomment]
 5269 | /* EV_EMBED    0x00010000 /* embedded event loop needs sweep */
      |                            
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling selector.c
selector.c: In function ‘NIO_Selector_synchronize’:
selector.c:286:26: warning: passing argument 1 of ‘rb_ensure’ from incompatible pointer type [-Wincompatible-pointer-types]
  286 |         return rb_ensure(func, (VALUE)args, NIO_Selector_unlock, self);
      |                          ^~~~
      |                          |
      |                          VALUE (*)(VALUE *) {aka long unsigned int (*)(long unsigned int *)}
In file included from /home/ajith/usr/lib/ruby-2.7.0/include/ruby-2.7.0/ruby.h:33,
                 from nio4r.h:9,
                 from selector.c:6:
/home/ajith/usr/lib/ruby-2.7.0/include/ruby-2.7.0/ruby/ruby.h:1990:17: note: expected ‘VALUE (*)(VALUE)’ {aka ‘long unsigned int (*)(long unsigned int)’} but argument is of type ‘VALUE (*)(VALUE *)’ {aka ‘long unsigned int (*)(long unsigned int *)’}
 1990 | VALUE rb_ensure(VALUE(*)(VALUE),VALUE,VALUE(*)(VALUE),VALUE);
      |                 ^~~~~~~~~~~~~~~
selector.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
linking shared-object nio4r_ext.so

current directory: /home/ajith/workspace/argon/vendor/bundle/ruby/2.7.0/gems/nio4r-2.5.2/ext/nio4r
make "DESTDIR=" install
/usr/bin/install -c -m 0755 nio4r_ext.so ./.gem.20200309-3860699-1nk6z8e