current directory: /usr/local/rvm/gems/ruby-2.7.4/gems/nio4r-2.5.8/ext/nio4r
/usr/local/rvm/rubies/ruby-2.7.4/bin/ruby -I /usr/local/rvm/rubies/ruby-2.7.4/lib/ruby/2.7.0 -r ./siteconf20211109-156789-my8orj.rb extconf.rb
checking for unistd.h... yes
checking for linux/aio_abi.h... yes
checking for linux/io_uring.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: /usr/local/rvm/gems/ruby-2.7.4/gems/nio4r-2.5.8/ext/nio4r
make "DESTDIR=" clean

current directory: /usr/local/rvm/gems/ruby-2.7.4/gems/nio4r-2.5.8/ext/nio4r
make "DESTDIR="
compiling bytebuffer.c
compiling monitor.c
compiling nio4r_ext.c
In file included from nio4r_ext.c:6:
../libev/ev.c:2136:31: warning: ‘ev_default_loop_ptr’ initialized and declared ‘extern’
   EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
                               ^~~~~~~~~~~~~~~~~~~
compiling selector.c
selector.c: In function ‘NIO_Selector_synchronize’:
selector.c:301:26: warning: passing argument 1 of ‘rb_ensure’ from incompatible pointer type [-Wincompatible-pointer-types]
         return rb_ensure(func, (VALUE)args, NIO_Selector_unlock, self);
                          ^~~~
In file included from /usr/local/rvm/rubies/ruby-2.7.4/include/ruby-2.7.0/ruby.h:33,
                 from nio4r.h:10,
                 from selector.c:6:
/usr/local/rvm/rubies/ruby-2.7.4/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 *)’}
 VALUE rb_ensure(VALUE(*)(VALUE),VALUE,VALUE(*)(VALUE),VALUE);
                 ^~~~~~~~~~~~~~~
linking shared-object nio4r_ext.so

current directory: /usr/local/rvm/gems/ruby-2.7.4/gems/nio4r-2.5.8/ext/nio4r
make "DESTDIR=" install
/usr/bin/install -c -m 0755 nio4r_ext.so ./.gem.20211109-156789-a0a697