Mock Version: 4.1
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs  --target x86_64 --nodeps /builddir/build/SPECS/rubygem-nio4r.spec'], chrootPath='/var/lib/mock/rhel-8-x86_64-1686869640.620670/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7f5ef0465050>timeout=0uid=1000gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.soxrtgo7:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.soxrtgo7:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', 'a00ac66f88f7498283cfe96ea63b1583', '-D', '/var/lib/mock/rhel-8-x86_64-1686869640.620670/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.soxrtgo7:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bs  --target x86_64 --nodeps /builddir/build/SPECS/rubygem-nio4r.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0', 'SYSTEMD_SECCOMP': '0'} and shell False
Building target platforms: x86_64
Building for target x86_64
Wrote: /builddir/build/SRPMS/rubygem-nio4r-2.5.8-3.el8.src.rpm
Child return code was: 0
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bb  --target x86_64 --nodeps /builddir/build/SPECS/rubygem-nio4r.spec'], chrootPath='/var/lib/mock/rhel-8-x86_64-1686869640.620670/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7f5ef0465050>timeout=0uid=1000gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.soxrtgo7:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.soxrtgo7:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '8a67625464a04cb5bedbcda2c40186b1', '-D', '/var/lib/mock/rhel-8-x86_64-1686869640.620670/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.soxrtgo7:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/mapper/control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bb  --target x86_64 --nodeps /builddir/build/SPECS/rubygem-nio4r.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0', 'SYSTEMD_SECCOMP': '0'} and shell False
Building target platforms: x86_64
Building for target x86_64
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.tNoYBp
+ umask 022
+ cd /builddir/build/BUILD
+ cd /builddir/build/BUILD
+ rm -rf nio4r-2.5.8
+ /usr/bin/gem unpack /builddir/build/SOURCES/nio4r-2.5.8.gem
Unpacked gem: '/builddir/build/BUILD/nio4r-2.5.8'
+ /usr/bin/gem spec /builddir/build/SOURCES/nio4r-2.5.8.gem --ruby
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd nio4r-2.5.8
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.dZ2EAt
+ umask 022
+ cd /builddir/build/BUILD
+ cd nio4r-2.5.8
+ gem build ../nio4r-2.5.8.gemspec
WARNING:  open-ended dependency on bundler (>= 0, development) is not recommended
  if bundler is semantically versioned, use:
    add_development_dependency 'bundler', '~> 0'
WARNING:  open-ended dependency on rake (>= 0, development) is not recommended
  if rake is semantically versioned, use:
    add_development_dependency 'rake', '~> 0'
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: nio4r
  Version: 2.5.8
  File: nio4r-2.5.8.gem
+ mkdir -p ./usr/share/gems
+ CONFIGURE_ARGS='--with-cflags='\''-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'\'' '
+ gem install -V --local --build-root . --force --document=ri,rdoc nio4r-2.5.8.gem
WARNING:  You build with buildroot.
  Build root: /builddir/build/BUILD/nio4r-2.5.8
  Bin dir: /builddir/build/BUILD/nio4r-2.5.8/usr/bin
  Gem home: /builddir/build/BUILD/nio4r-2.5.8/usr/share/gems
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/.github/workflows/workflow.yml
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/.gitignore
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/.rspec
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/.rubocop.yml
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/CHANGES.md
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/Gemfile
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/README.md
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/Rakefile
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/examples/echo_server.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/Changes
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/LICENSE
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/README
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev.h
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_epoll.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_iouring.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_kqueue.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_linuxaio.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_poll.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_port.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_select.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_vars.h
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_win32.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/libev/ev_wrap.h
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/.clang-format
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/bytebuffer.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/extconf.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/libev.h
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/monitor.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/nio4r.h
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/nio4r_ext.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/org/nio4r/ByteBuffer.java
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/org/nio4r/Monitor.java
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/org/nio4r/Nio4r.java
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/org/nio4r/Selector.java
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r/selector.c
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/lib/nio.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/lib/nio/bytebuffer.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/lib/nio/monitor.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/lib/nio/selector.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/lib/nio/version.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/logo.png
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/nio4r.gemspec
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/rakelib/extension.rake
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/rakelib/rspec.rake
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/rakelib/rubocop.rake
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/acceptables_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/bytebuffer_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/monitor_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/selectables/pipe_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/selectables/ssl_socket_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/selectables/tcp_socket_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/selectables/udp_socket_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/nio/selector_spec.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/spec_helper.rb
/builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/spec/support/selectable_examples.rb
Building native extensions. This could take a while...
current directory: /builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r
/usr/bin/ruby -r ./siteconf20230615-40-p51vmg.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: /builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r
make "DESTDIR=" clean
rm -f 
rm -f nio4r_ext.so  *.o  *.bak mkmf.log .*.time
current directory: /builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r
make "DESTDIR="
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_LINUX_IO_URING_H -DEV_USE_IOURING -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H -DEV_STANDALONE    -fPIC -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -m64 -o bytebuffer.o -c bytebuffer.c
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_LINUX_IO_URING_H -DEV_USE_IOURING -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H -DEV_STANDALONE    -fPIC -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -m64 -o monitor.o -c monitor.c
In file included from libev.h:7,
                 from nio4r.h:9,
                 from monitor.c:6:
monitor.c: In function 'NIO_Monitor_initialize':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
monitor.c:101:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&monitor->ev_io, NIO_Selector_monitor_callback, FPTR_TO_FD(fptr), monitor->interests);
     ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
monitor.c:101:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&monitor->ev_io, NIO_Selector_monitor_callback, FPTR_TO_FD(fptr), monitor->interests);
     ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
monitor.c:101:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&monitor->ev_io, NIO_Selector_monitor_callback, FPTR_TO_FD(fptr), monitor->interests);
     ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
monitor.c:101:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&monitor->ev_io, NIO_Selector_monitor_callback, FPTR_TO_FD(fptr), monitor->interests);
     ^~~~~~~~~~
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_LINUX_IO_URING_H -DEV_USE_IOURING -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H -DEV_STANDALONE    -fPIC -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -m64 -o nio4r_ext.o -c nio4r_ext.c
In file included from nio4r_ext.c:6:
../libev/ev.c:573:48: warning: "/*" within comment [-Wcomment]
 /*#define MIN_INTERVAL  0.00000095367431640625 /* 1/2**20, good till 2200 */
                                                 
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 */
                               ^~~~~~~~~~~~~~~~~~~
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'evpipe_init':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:2728:8: note: in expansion of macro 'ev_is_active'
   if (!ev_is_active (&pipe_w))
        ^~~~~~~~~~~~
../libev/ev.c: In function 'evtimerfd_init':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3050:8: note: in expansion of macro 'ev_is_active'
   if (!ev_is_active (&timerfd_w))
        ^~~~~~~~~~~~
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3058:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3058:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3058:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3058:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3059:11: note: in expansion of macro 'ev_set_priority'
           ev_set_priority (&timerfd_w, EV_MINPRI);
           ^~~~~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev_epoll.c: In function 'epoll_modify':
../libev/ev_epoll.c:134:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: I/O watcher with invalid fd found in epoll_ctl", errno != EBADF && errno != ELOOP && errno != EINVAL));
                                                                     ^
../libev/ev_epoll.c:134:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: I/O watcher with invalid fd found in epoll_ctl", errno != EBADF && errno != ELOOP && errno != EINVAL));
                                                                     ^
../libev/ev_linuxaio.c: In function 'linuxaio_modify':
../libev/ev_linuxaio.c:264:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: linuxaio unexpected io_cancel failed", errno != EINTR && errno != EINPROGRESS));
                                                                     ^
../libev/ev_linuxaio.c:264:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: linuxaio unexpected io_cancel failed", errno != EINTR && errno != EINPROGRESS));
                                                                     ^
../libev/ev_linuxaio.c: In function 'linuxaio_parse_events':
../libev/ev_linuxaio.c:312:50: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: iocb fd must be in-bounds", fd >= 0 && fd < anfdmax));
                                                  ^
../libev/ev_linuxaio.c:312:50: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: iocb fd must be in-bounds", fd >= 0 && fd < anfdmax));
                                                  ^
../libev/ev_linuxaio.c: In function 'linuxaio_poll':
../libev/ev_linuxaio.c:527:57: warning: left-hand operand of comma expression has no effect [-Wunused-value]
             assert (("libev: event loop rejected bad fd", errno != EBADF));
                                                         ^
../libev/ev_linuxaio.c:527:57: warning: left-hand operand of comma expression has no effect [-Wunused-value]
             assert (("libev: event loop rejected bad fd", errno != EBADF));
                                                         ^
In file included from ../libev/ev.c:3086,
                 from nio4r_ext.c:6:
../libev/ev_linuxaio.c:467:10: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
       if (ecb_expect_false (res < 0))
          ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev_linuxaio.c: In function 'linuxaio_init':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_linuxaio.c:571:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_linuxaio.c:571:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_linuxaio.c:571:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_linuxaio.c:571:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&linuxaio_epoll_w, linuxaio_epoll_cb, backend_fd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev_linuxaio.c:572:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority (&linuxaio_epoll_w, EV_MAXPRI);
   ^~~~~~~~~~~~~~~
../libev/ev_linuxaio.c: In function 'linuxaio_fork':
../libev/ev.h:180:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
                    ^
../libev/ev.h:698:52: note: in definition of macro 'ev_io_set'
 #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
                                                    ^~
../libev/ev_linuxaio.c:617:16: note: in expansion of macro 'EV_A_'
   ev_io_set   (EV_A_ &linuxaio_epoll_w, backend_fd, EV_READ);
                ^~~~~
../libev/ev.h:180:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
                    ^
../libev/ev.h:698:70: note: in definition of macro 'ev_io_set'
 #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
                                                                      ^~
../libev/ev_linuxaio.c:617:16: note: in expansion of macro 'EV_A_'
   ev_io_set   (EV_A_ &linuxaio_epoll_w, backend_fd, EV_READ);
                ^~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev_iouring.c: In function 'iouring_enter':
../libev/ev_iouring.c:240:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: io_uring_enter did not consume all sqes", (res < 0 || res == iouring_to_submit)));
                                                            ^
../libev/ev_iouring.c:240:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: io_uring_enter did not consume all sqes", (res < 0 || res == iouring_to_submit)));
                                                            ^
In file included from ../libev/ev.c:3089,
                 from nio4r_ext.c:6:
../libev/ev_iouring.c: In function 'iouring_sqe_submit':
../libev/ev_iouring.c:298:31: warning: "/*" within comment [-Wcomment]
   /*ECB_MEMORY_FENCE_RELEASE; /* for the time being we assume this is not needed */
                                
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev_iouring.c: In function 'iouring_internal_destroy':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev_iouring.c:326:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&iouring_tfd_w))
       ^~~~~~~~~~~~
../libev/ev_iouring.c: In function 'iouring_fork':
../libev/ev.h:180:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
                    ^
../libev/ev.h:698:52: note: in definition of macro 'ev_io_set'
 #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
                                                    ^~
../libev/ev_iouring.c:428:16: note: in expansion of macro 'EV_A_'
   ev_io_set   (EV_A_ &iouring_tfd_w, iouring_tfd, EV_READ);
                ^~~~~
../libev/ev.h:180:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
 # define EV_A_ EV_A,                              /* a loop as first of multiple arguments */
                    ^
../libev/ev.h:698:70: note: in definition of macro 'ev_io_set'
 #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
                                                                      ^~
../libev/ev_iouring.c:428:16: note: in expansion of macro 'EV_A_'
   ev_io_set   (EV_A_ &iouring_tfd_w, iouring_tfd, EV_READ);
                ^~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev_iouring.c: In function 'iouring_tfd_update':
../libev/ev_iouring.c:489:58: warning: left-hand operand of comma expression has no effect [-Wunused-value]
          assert (("libev: iouring timerfd_settime failed", 0));
                                                          ^
../libev/ev_iouring.c:489:58: warning: left-hand operand of comma expression has no effect [-Wunused-value]
          assert (("libev: iouring timerfd_settime failed", 0));
                                                          ^
../libev/ev_iouring.c: In function 'iouring_process_cqe':
../libev/ev_iouring.c:505:50: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: io_uring fd must be in-bounds", fd >= 0 && fd < anfdmax));
                                                  ^
../libev/ev_iouring.c:505:50: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: io_uring fd must be in-bounds", fd >= 0 && fd < anfdmax));
                                                  ^
../libev/ev_iouring.c:525:55: warning: left-hand operand of comma expression has no effect [-Wunused-value]
           assert (("libev: event loop rejected bad fd", res != -EBADF));
                                                       ^
../libev/ev_iouring.c:525:55: warning: left-hand operand of comma expression has no effect [-Wunused-value]
           assert (("libev: event loop rejected bad fd", res != -EBADF));
                                                       ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev_iouring.c: In function 'iouring_init':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_iouring.c:677:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&iouring_tfd_w, iouring_tfd_cb, iouring_tfd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_iouring.c:677:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&iouring_tfd_w, iouring_tfd_cb, iouring_tfd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_iouring.c:677:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&iouring_tfd_w, iouring_tfd_cb, iouring_tfd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev_iouring.c:677:3: note: in expansion of macro 'ev_io_init'
   ev_io_init  (&iouring_tfd_w, iouring_tfd_cb, iouring_tfd, EV_READ);
   ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev_iouring.c:678:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority (&iouring_tfd_w, EV_MINPRI);
   ^~~~~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev_poll.c: In function 'poll_poll':
../libev/ev_poll.c:113:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
         assert (("libev: poll returned illegal result, broken BSD kernel?", p < polls + pollcnt));
                                                                           ^
../libev/ev_poll.c:113:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
         assert (("libev: poll returned illegal result, broken BSD kernel?", p < polls + pollcnt));
                                                                           ^
../libev/ev_poll.c:121:68: warning: left-hand operand of comma expression has no effect [-Wunused-value]
                 assert (("libev: poll found invalid fd in poll set", 0));
                                                                    ^
../libev/ev_poll.c:121:68: warning: left-hand operand of comma expression has no effect [-Wunused-value]
                 assert (("libev: poll found invalid fd in poll set", 0));
                                                                    ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'loop_init':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3343:7: note: in expansion of macro 'ev_prepare_init'
       ev_prepare_init (&pending_w, pendingcb);
       ^~~~~~~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3343:7: note: in expansion of macro 'ev_prepare_init'
       ev_prepare_init (&pending_w, pendingcb);
       ^~~~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3343:7: note: in expansion of macro 'ev_prepare_init'
       ev_prepare_init (&pending_w, pendingcb);
       ^~~~~~~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3343:7: note: in expansion of macro 'ev_prepare_init'
       ev_prepare_init (&pending_w, pendingcb);
       ^~~~~~~~~~~~~~~
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3346:7: note: in expansion of macro 'ev_init'
       ev_init (&pipe_w, pipecb);
       ^~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3346:7: note: in expansion of macro 'ev_init'
       ev_init (&pipe_w, pipecb);
       ^~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.c:3346:7: note: in expansion of macro 'ev_init'
       ev_init (&pipe_w, pipecb);
       ^~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.c:3346:7: note: in expansion of macro 'ev_init'
       ev_init (&pipe_w, pipecb);
       ^~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3347:7: note: in expansion of macro 'ev_set_priority'
       ev_set_priority (&pipe_w, EV_MAXPRI);
       ^~~~~~~~~~~~~~~
../libev/ev.c: In function 'ev_loop_destroy':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3375:36: note: in expansion of macro 'ev_is_active'
   if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
                                    ^~~~~~~~~~~~
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3382:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&pipe_w))
       ^~~~~~~~~~~~
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3392:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&sigfd_w))
       ^~~~~~~~~~~~
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3397:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&timerfd_w))
       ^~~~~~~~~~~~
../libev/ev.c: In function 'loop_fork':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3508:13: note: in expansion of macro 'ev_is_active'
         if (ev_is_active (&timerfd_w))
             ^~~~~~~~~~~~
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3523:13: note: in expansion of macro 'ev_is_active'
         if (ev_is_active (&pipe_w))
             ^~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'verify_watcher':
../libev/ev.c:3568:49: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
                                                 ^
../libev/ev.c:3568:49: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
                                                 ^
../libev/ev.c:3571:59: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
                                                           ^
../libev/ev.c:3571:59: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
                                                           ^
../libev/ev.c: In function 'verify_heap':
../libev/ev.c:3582:54: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
                                                      ^
../libev/ev.c:3582:54: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
                                                      ^
../libev/ev.c:3583:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
                                                ^
../libev/ev.c:3583:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
                                                ^
../libev/ev.c:3584:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
                                               ^
../libev/ev.c:3584:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
                                               ^
../libev/ev.c: In function 'array_verify':
../libev/ev.c:3596:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
                                              ^
../libev/ev.c:3596:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
                                              ^
../libev/ev.c: In function 'ev_verify':
../libev/ev.c:3614:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
                                               ^
../libev/ev.c:3614:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
                                               ^
../libev/ev.c:3627:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: io watcher list contains a loop", w != w2));
                                                                ^
../libev/ev.c:3627:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: io watcher list contains a loop", w != w2));
                                                                ^
../libev/ev.c:3631:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
           assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
                                                             ^
../libev/ev.c:3631:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
           assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
                                                             ^
../libev/ev.c:3632:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
           assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
                                                                 ^
../libev/ev.c:3632:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
           assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
                                                                 ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'ev_default_loop':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:715:51: note: in expansion of macro 'ev_init'
 #define ev_signal_init(ev,cb,signum)         do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3710:11: note: in expansion of macro 'ev_signal_init'
           ev_signal_init (&childev, childcb, SIGCHLD);
           ^~~~~~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:715:51: note: in expansion of macro 'ev_init'
 #define ev_signal_init(ev,cb,signum)         do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3710:11: note: in expansion of macro 'ev_signal_init'
           ev_signal_init (&childev, childcb, SIGCHLD);
           ^~~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:715:51: note: in expansion of macro 'ev_init'
 #define ev_signal_init(ev,cb,signum)         do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3710:11: note: in expansion of macro 'ev_signal_init'
           ev_signal_init (&childev, childcb, SIGCHLD);
           ^~~~~~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:715:51: note: in expansion of macro 'ev_init'
 #define ev_signal_init(ev,cb,signum)         do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:3710:11: note: in expansion of macro 'ev_signal_init'
           ev_signal_init (&childev, childcb, SIGCHLD);
           ^~~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:3711:11: note: in expansion of macro 'ev_set_priority'
           ev_set_priority (&childev, EV_MAXPRI);
           ^~~~~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'timers_reify':
../libev/ev.c:3818:93: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
                                                                                             ^
../libev/ev.c:3818:93: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
                                                                                             ^
../libev/ev.c: In function 'periodics_reify':
../libev/ev.c:3881:90: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
                                                                                          ^
../libev/ev.c:3881:90: warning: left-hand operand of comma expression has no effect [-Wunused-value]
               assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
                                                                                          ^
../libev/ev.c: In function 'ev_run':
../libev/ev.c:4043:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
                                                              ^
../libev/ev.c:4043:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
                                                              ^
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:4228:72: note: in expansion of macro 'ev_is_active'
             assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
                                                                        ^~~~~~~~~~~~
../libev/ev.c:4228:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
             assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
                                                                      ^
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:4228:72: note: in expansion of macro 'ev_is_active'
             assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
                                                                        ^~~~~~~~~~~~
../libev/ev.c:4228:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
             assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
                                                                      ^
../libev/ev.c: In function 'ev_io_start':
../libev/ev.c:4402:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_start called with negative fd", fd >= 0));
                                                        ^
../libev/ev.c:4402:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_start called with negative fd", fd >= 0));
                                                        ^
../libev/ev.c:4403:63: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
                                                               ^
../libev/ev.c:4403:63: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
                                                               ^
../libev/ev.c:4415:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
                                                              ^
../libev/ev.c:4415:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
                                                              ^
In file included from nio4r_ext.c:6:
../libev/ev.c:4417:34: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
   fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
                        ~~~~~~~~~~^~~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'ev_io_stop':
../libev/ev.c:4431:88: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
                                                                                        ^
../libev/ev.c:4431:88: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
                                                                                        ^
../libev/ev.c: In function 'ev_timer_start':
../libev/ev.c:4455:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
                                                                           ^
../libev/ev.c:4455:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
                                                                           ^
../libev/ev.c: In function 'ev_timer_stop':
../libev/ev.c:4484:53: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
                                                     ^
../libev/ev.c:4484:53: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
                                                     ^
../libev/ev.c: In function 'ev_periodic_start':
../libev/ev.c:4553:78: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
                                                                              ^
../libev/ev.c:4553:78: warning: left-hand operand of comma expression has no effect [-Wunused-value]
       assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
                                                                              ^
../libev/ev.c: In function 'ev_periodic_stop':
../libev/ev.c:4586:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
                                                        ^
../libev/ev.c:4586:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
                                                        ^
../libev/ev.c: In function 'ev_signal_start':
../libev/ev.c:4625:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
                                                                      ^
../libev/ev.c:4625:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
                                                                      ^
../libev/ev.c:4628:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: a signal must not be attached to two different loops",
                                                                         ^
../libev/ev.c:4628:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: a signal must not be attached to two different loops",
                                                                         ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4650:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4650:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4650:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4650:11: note: in expansion of macro 'ev_io_init'
           ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
           ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:4651:11: note: in expansion of macro 'ev_set_priority'
           ev_set_priority (&sigfd_w, EV_MAXPRI);
           ^~~~~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'ev_child_start':
../libev/ev.c:4747:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
                                                                          ^
../libev/ev.c:4747:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
                                                                          ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'infy_add':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:4865:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&w->timer)) ev_ref (EV_A);
       ^~~~~~~~~~~~
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:4867:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&w->timer)) ev_unref (EV_A);
       ^~~~~~~~~~~~
../libev/ev.c: In function 'infy_init':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4974:7: note: in expansion of macro 'ev_io_init'
       ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
       ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4974:7: note: in expansion of macro 'ev_io_init'
       ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
       ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4974:7: note: in expansion of macro 'ev_io_init'
       ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
       ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:4974:7: note: in expansion of macro 'ev_io_init'
       ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
       ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:4975:7: note: in expansion of macro 'ev_set_priority'
       ev_set_priority (&fs_w, EV_MAXPRI);
       ^~~~~~~~~~~~~~~
../libev/ev.c: In function 'infy_fork':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5019:19: note: in expansion of macro 'ev_is_active'
               if (ev_is_active (&w->timer)) ev_ref (EV_A);
                   ^~~~~~~~~~~~
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5021:19: note: in expansion of macro 'ev_is_active'
               if (ev_is_active (&w->timer)) ev_unref (EV_A);
                   ^~~~~~~~~~~~
../libev/ev.c: In function 'ev_stat_start':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:713:51: note: in expansion of macro 'ev_init'
 #define ev_timer_init(ev,cb,after,repeat)    do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5096:3: note: in expansion of macro 'ev_timer_init'
   ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
   ^~~~~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:713:51: note: in expansion of macro 'ev_init'
 #define ev_timer_init(ev,cb,after,repeat)    do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5096:3: note: in expansion of macro 'ev_timer_init'
   ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
   ^~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:713:51: note: in expansion of macro 'ev_init'
 #define ev_timer_init(ev,cb,after,repeat)    do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5096:3: note: in expansion of macro 'ev_timer_init'
   ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
   ^~~~~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:713:51: note: in expansion of macro 'ev_init'
 #define ev_timer_init(ev,cb,after,repeat)    do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5096:3: note: in expansion of macro 'ev_timer_init'
   ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
   ^~~~~~~~~~~~~
../libev/ev.h:699:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_timer_set(ev,after_,repeat_)      do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:713:73: note: in expansion of macro 'ev_timer_set'
 #define ev_timer_init(ev,cb,after,repeat)    do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
                                                                         ^~~~~~~~~~~~
../libev/ev.c:5096:3: note: in expansion of macro 'ev_timer_init'
   ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
   ^~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5097:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority (&w->timer, ev_priority (w));
   ^~~~~~~~~~~~~~~
../libev/ev.c: In function 'ev_stat_stop':
../libev/ev.h:727:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5129:7: note: in expansion of macro 'ev_is_active'
   if (ev_is_active (&w->timer))
       ^~~~~~~~~~~~
In file included from ../libev/ev.c:220,
                 from nio4r_ext.c:6:
../libev/ev.c: In function 'ev_embed_start':
../libev/ev.c:5334:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
                                                            ^
../libev/ev.c:5334:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
                                                            ^
In file included from ../libev/ev.c:231,
                 from nio4r_ext.c:6:
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5335:5: note: in expansion of macro 'ev_io_init'
     ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5335:5: note: in expansion of macro 'ev_io_init'
     ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5335:5: note: in expansion of macro 'ev_io_init'
     ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5335:5: note: in expansion of macro 'ev_io_init'
     ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5340:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority (&w->io, ev_priority (w));
   ^~~~~~~~~~~~~~~
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5343:3: note: in expansion of macro 'ev_prepare_init'
   ev_prepare_init (&w->prepare, embed_prepare_cb);
   ^~~~~~~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5343:3: note: in expansion of macro 'ev_prepare_init'
   ev_prepare_init (&w->prepare, embed_prepare_cb);
   ^~~~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5343:3: note: in expansion of macro 'ev_prepare_init'
   ev_prepare_init (&w->prepare, embed_prepare_cb);
   ^~~~~~~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:719:51: note: in expansion of macro 'ev_init'
 #define ev_prepare_init(ev,cb)               do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5343:3: note: in expansion of macro 'ev_prepare_init'
   ev_prepare_init (&w->prepare, embed_prepare_cb);
   ^~~~~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5344:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority (&w->prepare, EV_MINPRI);
   ^~~~~~~~~~~~~~~
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:722:51: note: in expansion of macro 'ev_init'
 #define ev_fork_init(ev,cb)                  do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5348:3: note: in expansion of macro 'ev_fork_init'
   ev_fork_init (&w->fork, embed_fork_cb);
   ^~~~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:722:51: note: in expansion of macro 'ev_init'
 #define ev_fork_init(ev,cb)                  do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5348:3: note: in expansion of macro 'ev_fork_init'
   ev_fork_init (&w->fork, embed_fork_cb);
   ^~~~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:722:51: note: in expansion of macro 'ev_init'
 #define ev_fork_init(ev,cb)                  do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5348:3: note: in expansion of macro 'ev_fork_init'
   ev_fork_init (&w->fork, embed_fork_cb);
   ^~~~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:722:51: note: in expansion of macro 'ev_init'
 #define ev_fork_init(ev,cb)                  do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
                                                   ^~~~~~~
../libev/ev.c:5348:3: note: in expansion of macro 'ev_fork_init'
   ev_fork_init (&w->fork, embed_fork_cb);
   ^~~~~~~~~~~~
../libev/ev.c: In function 'ev_once':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5555:3: note: in expansion of macro 'ev_init'
   ev_init (&once->io, once_cb_io);
   ^~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5555:3: note: in expansion of macro 'ev_init'
   ev_init (&once->io, once_cb_io);
   ^~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.c:5555:3: note: in expansion of macro 'ev_init'
   ev_init (&once->io, once_cb_io);
   ^~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.c:5555:3: note: in expansion of macro 'ev_init'
   ev_init (&once->io, once_cb_io);
   ^~~~~~~
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5562:3: note: in expansion of macro 'ev_init'
   ev_init (&once->to, once_cb_to);
   ^~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5562:3: note: in expansion of macro 'ev_init'
   ev_init (&once->to, once_cb_to);
   ^~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.c:5562:3: note: in expansion of macro 'ev_init'
   ev_init (&once->to, once_cb_to);
   ^~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.c:5562:3: note: in expansion of macro 'ev_init'
   ev_init (&once->to, once_cb_to);
   ^~~~~~~
../libev/ev.h:699:52: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 #define ev_timer_set(ev,after_,repeat_)      do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
                                                   ~^~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:5565:7: note: in expansion of macro 'ev_timer_set'
       ev_timer_set (&once->to, timeout, 0.);
       ^~~~~~~~~~~~
In file included from nio4r_ext.c:6:
../libev/ev.c: At top level:
../libev/ev.c:5682:27: warning: "/*" within comment [-Wcomment]
 /* EV_STAT     0x00001000 /* stat data changed */
                            
../libev/ev.c:5683:27: warning: "/*" within comment [-Wcomment]
 /* EV_EMBED    0x00010000 /* embedded event loop needs sweep */
                            
In file included from nio4r_ext.c:6:
../libev/ev.c: In function 'evpipe_write':
../libev/ev.c:2798:11: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
           write (evpipe [1], &counter, sizeof (uint64_t));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:2810:11: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
           write (evpipe [1], &(evpipe [1]), 1);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c: In function 'pipecb':
../libev/ev.c:2831:11: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result]
           read (evpipe [1], &counter, sizeof (uint64_t));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.c:2845:11: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result]
           read (evpipe [0], &dummy, sizeof (dummy));
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -DHAVE_UNISTD_H -DHAVE_LINUX_AIO_ABI_H -DEV_USE_LINUXAIO -DHAVE_LINUX_IO_URING_H -DEV_USE_IOURING -DHAVE_SYS_SELECT_H -DEV_USE_SELECT -DHAVE_SYS_EPOLL_H -DEV_USE_EPOLL -DHAVE_SYS_RESOURCE_H -DHAVE_SYS_RESOURCE_H -DEV_STANDALONE    -fPIC -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -m64 -o selector.o -c selector.c
In file included from libev.h:7,
                 from nio4r.h:9,
                 from selector.c:6:
selector.c: In function 'NIO_Selector_allocate':
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
selector.c:112:5: note: in expansion of macro 'ev_init'
     ev_init(&selector->timer, NIO_Selector_timeout_callback);
     ^~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
selector.c:112:5: note: in expansion of macro 'ev_init'
     ev_init(&selector->timer, NIO_Selector_timeout_callback);
     ^~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
selector.c:112:5: note: in expansion of macro 'ev_init'
     ev_init(&selector->timer, NIO_Selector_timeout_callback);
     ^~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
selector.c:112:5: note: in expansion of macro 'ev_init'
     ev_init(&selector->timer, NIO_Selector_timeout_callback);
     ^~~~~~~
../libev/ev.h:691:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->active  = \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
selector.c:117:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&selector->wakeup, NIO_Selector_wakeup_callback, selector->wakeup_reader, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:692:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   ((ev_watcher *)(void *)(ev))->pending = 0; \
   ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
selector.c:117:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&selector->wakeup, NIO_Selector_wakeup_callback, selector->wakeup_reader, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:737:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
                                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../libev/ev.h:693:3: note: in expansion of macro 'ev_set_priority'
   ev_set_priority ((ev), 0);   \
   ^~~~~~~~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
selector.c:117:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&selector->wakeup, NIO_Selector_wakeup_callback, selector->wakeup_reader, EV_READ);
     ^~~~~~~~~~
../libev/ev.h:744:79: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
 # define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
                                                                              ~^~~~~~~~~~~~~~~~~~~
../libev/ev.h:694:3: note: in expansion of macro 'ev_set_cb'
   ev_set_cb ((ev), cb_);   \
   ^~~~~~~~~
../libev/ev.h:712:51: note: in expansion of macro 'ev_init'
 #define ev_io_init(ev,cb,fd,events)          do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
                                                   ^~~~~~~
selector.c:117:5: note: in expansion of macro 'ev_io_init'
     ev_io_init(&selector->wakeup, NIO_Selector_wakeup_callback, selector->wakeup_reader, EV_READ);
     ^~~~~~~~~~
selector.c: In function 'NIO_Selector_wakeup':
selector.c:499:5: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
     write(selector->wakeup_writer, "\0", 1);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rm -f nio4r_ext.so
gcc -shared -o nio4r_ext.so bytebuffer.o monitor.o nio4r_ext.o selector.o -L. -L/usr/lib64 -L. -Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -m64  -m64  -lruby    -lc
current directory: /builddir/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8/ext/nio4r
make "DESTDIR=" install
/usr/bin/mkdir -p . ./.gem.20230615-40-devnu2
exit > .sitearchdir.time
/usr/bin/install -c -m 0755 nio4r_ext.so ./.gem.20230615-40-devnu2
Successfully installed nio4r-2.5.8
Parsing documentation for nio4r-2.5.8
Parsing sources...
  2% [ 1/37]  ext/libev/Changes
  5% [ 2/37]  ext/libev/LICENSE
  8% [ 3/37]  ext/libev/README
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 78% [29/37]  ext/nio4r/org/nio4r/Nio4r.java
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 89% [33/37]  lib/nio.rb
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 94% [35/37]  lib/nio/monitor.rb
 97% [36/37]  lib/nio/selector.rb
100% [37/37]  lib/nio/version.rb
Installing ri documentation for nio4r-2.5.8
Installing darkfish documentation for nio4r-2.5.8
Done installing documentation for nio4r after 0 seconds
1 gem installed
+ exit 0
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.bFOd7s
+ umask 022
+ cd /builddir/build/BUILD
+ '[' /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64 '!=' / ']'
+ rm -rf /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64
++ dirname /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64
+ mkdir -p /builddir/build/BUILDROOT
+ mkdir /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64
+ cd nio4r-2.5.8
+ mkdir -p /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64/usr/share/gems
+ cp -a ./usr/share/gems/build_info ./usr/share/gems/cache ./usr/share/gems/doc ./usr/share/gems/extensions ./usr/share/gems/gems ./usr/share/gems/specifications /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64/usr/share/gems/
+ mkdir -p /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64/usr/lib64/gems/ruby/nio4r-2.5.8
+ cp -a ./usr/lib64/gems/ruby/nio4r-2.5.8/gem.build_complete ./usr/lib64/gems/ruby/nio4r-2.5.8/nio4r_ext.so /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64/usr/lib64/gems/ruby/nio4r-2.5.8/
+ rm -rf /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64/usr/share/gems/gems/nio4r-2.5.8/ext/
+ /usr/lib/rpm/find-debuginfo.sh -j2 --strict-build-id -m -i --build-id-seed 2.5.8-3.el8 --unique-debug-suffix -2.5.8-3.el8.x86_64 --unique-debug-src-base rubygem-nio4r-2.5.8-3.el8.x86_64 --run-dwz --dwz-low-mem-die-limit 10000000 --dwz-max-die-limit 110000000 -S debugsourcefiles.list /builddir/build/BUILD/nio4r-2.5.8
extracting debug info from /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64/usr/lib64/gems/ruby/nio4r-2.5.8/nio4r_ext.so
/usr/lib/rpm/sepdebugcrcfix: Updated 1 CRC32s, 0 CRC32s did match.
588 blocks
+ /usr/lib/rpm/check-buildroot
+ /usr/lib/rpm/redhat/brp-ldconfig
/sbin/ldconfig: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf: No such file or directory
+ /usr/lib/rpm/brp-compress
+ /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip
+ /usr/lib/rpm/brp-python-bytecompile '' 1
+ /usr/lib/rpm/brp-python-hardlink
+ PYTHON3=/usr/libexec/platform-python
+ /usr/lib/rpm/redhat/brp-mangle-shebangs
mangling shebang in /usr/share/gems/gems/nio4r-2.5.8/examples/echo_server.rb from /usr/bin/env ruby to #!/usr/bin/ruby
Executing(%check): /bin/sh -e /var/tmp/rpm-tmp.tsVPhg
+ umask 022
+ cd /builddir/build/BUILD
+ cd nio4r-2.5.8
+ pushd ./usr/share/gems/gems/nio4r-2.5.8
~/build/BUILD/nio4r-2.5.8/usr/share/gems/gems/nio4r-2.5.8 ~/build/BUILD/nio4r-2.5.8
++ grep EV_VERSION_MAJOR ext/libev/ev.h
++ cut -d ' ' -f3
+ EV_VERSION_MAJOR=4
++ grep EV_VERSION_MINOR ext/libev/ev.h
++ cut -d ' ' -f3
+ EV_VERSION_MINOR=33
+ '[' 4.33 = 4.33 ']'
+ sed -i '/require "coveralls"/ s/^/#/' spec/spec_helper.rb
+ sed -i '/Coveralls.wear!/ s/^/#/' spec/spec_helper.rb
++ dirs +1
+ rspec -I~/build/BUILD/nio4r-2.5.8/usr/lib64/gems/ruby/nio4r-2.5.8 -ropenssl spec
Randomized with seed 61439
NIO acceptables
  TCPServer
    behaves like an NIO acceptable
      selects for read readiness
NIO::Selector
  allows deregistering closed IO objects
  closes
  allows reregistration of the same IO object across select calls
  reports if it is empty
  deregisters IO objects
  knows which IO objects are registered
  wakeup
    raises IOError if asked to wake up a closed selector
    wakes up if signaled to from another thread
  timeouts
    waits for timeout when selecting from empty selector
    raises ArgumentError if given a negative timeout
    waits for a timeout when selecting with reader
  #initialize
    allows explicitly specifying a backend
      Supported backends: [:epoll, :poll, :select, :linuxaio, :io_uring]
    raises TypeError if given a non-Symbol parameter
    raises ArgumentError if given an invalid backend
    automatically selects a backend if none or nil is specified
  register
    raises TypeError if asked to register non-IO objects
    registers IO objects
    raises when asked to register after closing
  .backends
    knows all supported backends
  select
    selects IO objects
    iterates across selected objects with a block
    selects closed IO objects
    raises IOError if asked to select on a closed selector
    does not block on super small precision intervals
  backend
    knows its backend
      Current backend: epoll
TCPSocket
  behaves like an NIO bidirectional stream
    keeps readiness after the selectable has been closed
    selects readable and writable
  behaves like an NIO selectable stream
    selects readable when the other end closes
  behaves like an NIO selectable
    does not select unwritable objects
    selects readable objects
    selects writable objects
    does not select unreadable objects
  connect
    selects writable when connected
NIO::Monitor
  #selector
    knows its selector
  #interests=
    can set interests to nil
    changes the interest set
    raises EOFError if interests are changed after the monitor is closed
  #readiness
    knows what operations IO objects are ready for
  #io
    knows its IO object
  #value=
    stores arbitrary values
  #close
    closes even if the selector has been shutdown
    closes
  #interests
    knows its interests
  #add_interest
    raises ArgumentError if given a bogus option
    acts idempotently
    sets a new interest if it isn't currently registered
  #remove_interest
    acts idempotently
    can clear the last interest
    removes an interest from the set
    raises ArgumentError if given a bogus option
UDPSocket
  behaves like an NIO selectable
    selects writable objects
    does not select unwritable objects (PENDING: come up with a UDPSocket that's blocked on writing)
    does not select unreadable objects
    selects readable objects
OpenSSL::SSL::SSLSocket
  using TLS 1.3
    behaves like an NIO selectable stream
      selects readable when the other end closes
    behaves like an NIO selectable
      does not select unwritable objects
      selects readable objects
      does not select unreadable objects
      selects writable objects
  using TLS 1.2
    behaves like an NIO selectable stream
      selects readable when the other end closes
    behaves like an NIO selectable
      selects writable objects
      selects readable objects
      does not select unreadable objects
      does not select unwritable objects
IO.pipe
  behaves like an NIO selectable stream
    selects readable when the other end closes
  behaves like an NIO selectable
    selects writable objects
    does not select unreadable objects
    does not select unwritable objects
    selects readable objects
NIO::ByteBuffer
  #get
    raises NIO::ByteBuffer::UnderflowError if there is not enough data in the buffer
    reads all remaining data if no length is given
    reads zeroes from a newly initialized buffer
    advances position as data is read
  #reset
    raises NIO::ByteBuffer::MarkUnsetError unless mark has been set
    returns to a previously marked position
  #flip
    sets remaining to the previous position
    flips the bytebuffer
    sets limit to the previous position
  #limit
    defaults to the buffer's capacity
  I/O
    #read_from
      returns 0 if no data is available
      reads data into the buffer
      raises NIO::ByteBuffer::OverflowError if the buffer is already full
    #write_to
      writes data from the buffer
      raises NIO::ByteBuffer::UnderflowError if the buffer is out of data
  #clear
    clears the buffer
  #each
    iterates over data in the buffer
  #capacity
    has the requested capacity
  #position
    defaults to zero
  #initialize
    raises TypeError if given a bogus argument
  #remaining
    calculates the number of bytes remaining
  #position=
    sets the buffer's position to a valid value
    raises ArgumentError if the specified position is less than zero
    raises ArgumentError if the specified position exceeds the limit
  #inspect
    inspects the buffer offsets
  #mark
    returns self
  #<<
    raises TypeError if given a non-String type
    raises NIO::ByteBuffer::OverflowError if the buffer is full
    adds strings to the buffer
  #compact
    copies data from the current position to the beginning of the buffer
  #full?
    returns false when there is space remaining in the buffer
    returns true when the buffer is full
  #rewind
    rewinds the buffer leaving the limit intact
  #limit=
    sets the buffer's limit to a valid value
    raises ArgumentError if specified limit is less than zero
    sets position to the new limit if the previous position is beyond the limit
    clears the mark if the new limit is before the current mark
    raises ArgumentError if specified limit exceeds capacity
    preserves position and mark if they're less than the new limit
  #[]
    obtains bytes at a given index without altering position
    raises ArgumentError if the index is less than zero
    raises ArgumentError if the index exceeds the limit
Pending: (Failures listed here are expected and do not affect your suite's status)
  1) UDPSocket behaves like an NIO selectable does not select unwritable objects
     # come up with a UDPSocket that's blocked on writing
     Failure/Error: selector.register(unwritable_subject, :w)
     TypeError:
       no implicit conversion of false into IO
     Shared Example Group: "an NIO selectable" called from ./spec/nio/selectables/udp_socket_spec.rb:47
     # ./spec/support/selectable_examples.rb:36:in `initialize'
     # ./spec/support/selectable_examples.rb:36:in `register'
     # ./spec/support/selectable_examples.rb:36:in `block (2 levels) in <top (required)>'
Finished in 8.41 seconds (files took 0.10833 seconds to load)
112 examples, 0 failures, 1 pending
Randomized with seed 61439
++ dirs +1
+ NIO4R_PURE=true
+ rspec -I~/build/BUILD/nio4r-2.5.8/usr/lib64/gems/ruby/nio4r-2.5.8 -ropenssl spec
Randomized with seed 28358
UDPSocket
  behaves like an NIO selectable
    selects writable objects
    selects readable objects
    does not select unwritable objects (PENDING: come up with a UDPSocket that's blocked on writing)
    does not select unreadable objects
NIO::Selector
  reports if it is empty
  allows deregistering closed IO objects
  closes
  knows which IO objects are registered
  deregisters IO objects
  allows reregistration of the same IO object across select calls
  #initialize
    raises TypeError if given a non-Symbol parameter
    allows explicitly specifying a backend
      Supported backends: [:ruby]
    automatically selects a backend if none or nil is specified
    raises ArgumentError if given an invalid backend
  timeouts
    waits for timeout when selecting from empty selector
    raises ArgumentError if given a negative timeout
    waits for a timeout when selecting with reader
  register
    registers IO objects
    raises TypeError if asked to register non-IO objects
    raises when asked to register after closing
  backend
    knows its backend
      Current backend: ruby
  wakeup
    wakes up if signaled to from another thread
    raises IOError if asked to wake up a closed selector
  .backends
    knows all supported backends
  select
    selects IO objects
    raises IOError if asked to select on a closed selector
    selects closed IO objects
    does not block on super small precision intervals
    iterates across selected objects with a block
NIO::Monitor
  #readiness
    knows what operations IO objects are ready for
  #remove_interest
    acts idempotently
    raises ArgumentError if given a bogus option
    removes an interest from the set
    can clear the last interest
  #value=
    stores arbitrary values
  #close
    closes
    closes even if the selector has been shutdown
  #selector
    knows its selector
  #interests=
    changes the interest set
    can set interests to nil
    raises EOFError if interests are changed after the monitor is closed
  #add_interest
    acts idempotently
    raises ArgumentError if given a bogus option
    sets a new interest if it isn't currently registered
  #interests
    knows its interests
  #io
    knows its IO object
TCPSocket
  behaves like an NIO selectable
    does not select unwritable objects
    selects readable objects
    does not select unreadable objects
    selects writable objects
  behaves like an NIO selectable stream
    selects readable when the other end closes
  behaves like an NIO bidirectional stream
    keeps readiness after the selectable has been closed
    selects readable and writable
  connect
    selects writable when connected
IO.pipe
  behaves like an NIO selectable stream
    selects readable when the other end closes
  behaves like an NIO selectable
    selects writable objects
    does not select unreadable objects
    does not select unwritable objects
    selects readable objects
NIO acceptables
  TCPServer
    behaves like an NIO acceptable
      selects for read readiness
OpenSSL::SSL::SSLSocket
  using TLS 1.2
    behaves like an NIO selectable
      does not select unwritable objects
      selects writable objects
      selects readable objects
      does not select unreadable objects
    behaves like an NIO selectable stream
      selects readable when the other end closes
  using TLS 1.3
    behaves like an NIO selectable
      selects readable objects
      selects writable objects
      does not select unreadable objects
      does not select unwritable objects
    behaves like an NIO selectable stream
      selects readable when the other end closes
NIO::ByteBuffer
  #remaining
    calculates the number of bytes remaining
  I/O
    #write_to
      writes data from the buffer
      raises NIO::ByteBuffer::UnderflowError if the buffer is out of data
    #read_from
      returns 0 if no data is available
      reads data into the buffer
      raises NIO::ByteBuffer::OverflowError if the buffer is already full
  #inspect
    inspects the buffer offsets
  #<<
    adds strings to the buffer
    raises TypeError if given a non-String type
    raises NIO::ByteBuffer::OverflowError if the buffer is full
  #flip
    sets limit to the previous position
    flips the bytebuffer
    sets remaining to the previous position
  #[]
    raises ArgumentError if the index is less than zero
    obtains bytes at a given index without altering position
    raises ArgumentError if the index exceeds the limit
  #capacity
    has the requested capacity
  #position
    defaults to zero
  #initialize
    raises TypeError if given a bogus argument
  #clear
    clears the buffer
  #rewind
    rewinds the buffer leaving the limit intact
  #each
    iterates over data in the buffer
  #position=
    sets the buffer's position to a valid value
    raises ArgumentError if the specified position exceeds the limit
    raises ArgumentError if the specified position is less than zero
  #limit=
    raises ArgumentError if specified limit exceeds capacity
    preserves position and mark if they're less than the new limit
    raises ArgumentError if specified limit is less than zero
    sets position to the new limit if the previous position is beyond the limit
    clears the mark if the new limit is before the current mark
    sets the buffer's limit to a valid value
  #limit
    defaults to the buffer's capacity
  #full?
    returns false when there is space remaining in the buffer
    returns true when the buffer is full
  #get
    advances position as data is read
    raises NIO::ByteBuffer::UnderflowError if there is not enough data in the buffer
    reads zeroes from a newly initialized buffer
    reads all remaining data if no length is given
  #mark
    returns self
  #reset
    returns to a previously marked position
    raises NIO::ByteBuffer::MarkUnsetError unless mark has been set
  #compact
    copies data from the current position to the beginning of the buffer
Pending: (Failures listed here are expected and do not affect your suite's status)
  1) UDPSocket behaves like an NIO selectable does not select unwritable objects
     # come up with a UDPSocket that's blocked on writing
     Failure/Error: raise TypeError, "can't convert #{io.class} into IO" unless io.is_a? IO
     TypeError:
       can't convert NilClass into IO
     Shared Example Group: "an NIO selectable" called from ./spec/nio/selectables/udp_socket_spec.rb:47
     # ./lib/nio/monitor.rb:19:in `initialize'
     # ./lib/nio/selector.rb:59:in `new'
     # ./lib/nio/selector.rb:59:in `block in register'
     # ./lib/nio/selector.rb:53:in `synchronize'
     # ./lib/nio/selector.rb:53:in `register'
     # ./spec/support/selectable_examples.rb:36:in `block (2 levels) in <top (required)>'
Finished in 8.62 seconds (files took 0.1143 seconds to load)
112 examples, 0 failures, 1 pending
Randomized with seed 28358
~/build/BUILD/nio4r-2.5.8
+ popd
+ exit 0
Processing files: rubygem-nio4r-2.5.8-3.el8.x86_64
Provides: bundled(libev) = 4.33 rubygem(nio4r) = 2.5.8-1 rubygem-nio4r = 2.5.8-3.el8 rubygem-nio4r(x86-64) = 2.5.8-3.el8
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: libc.so.6()(64bit) libc.so.6(GLIBC_2.14)(64bit) libc.so.6(GLIBC_2.17)(64bit) libc.so.6(GLIBC_2.2.5)(64bit) libc.so.6(GLIBC_2.3.2)(64bit) libc.so.6(GLIBC_2.3.4)(64bit) libc.so.6(GLIBC_2.4)(64bit) libc.so.6(GLIBC_2.7)(64bit) libc.so.6(GLIBC_2.8)(64bit) libc.so.6(GLIBC_2.9)(64bit) libruby.so.2.5()(64bit) rtld(GNU_HASH) ruby(rubygems)
Processing files: rubygem-nio4r-doc-2.5.8-3.el8.noarch
Provides: rubygem-nio4r-doc = 2.5.8-3.el8
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: /usr/bin/ruby
Processing files: rubygem-nio4r-debugsource-2.5.8-3.el8.x86_64
Provides: rubygem-nio4r-debugsource = 2.5.8-3.el8 rubygem-nio4r-debugsource(x86-64) = 2.5.8-3.el8
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Processing files: rubygem-nio4r-debuginfo-2.5.8-3.el8.x86_64
Provides: debuginfo(build-id) = 90d39d86c114e867e90453780e3a914451fc0be9 rubygem-nio4r-debuginfo = 2.5.8-3.el8 rubygem-nio4r-debuginfo(x86-64) = 2.5.8-3.el8
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Recommends: rubygem-nio4r-debugsource(x86-64) = 2.5.8-3.el8
Checking for unpackaged file(s): /usr/lib/rpm/check-files /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64
Wrote: /builddir/build/RPMS/rubygem-nio4r-2.5.8-3.el8.x86_64.rpm
Wrote: /builddir/build/RPMS/rubygem-nio4r-doc-2.5.8-3.el8.noarch.rpm
Wrote: /builddir/build/RPMS/rubygem-nio4r-debugsource-2.5.8-3.el8.x86_64.rpm
Wrote: /builddir/build/RPMS/rubygem-nio4r-debuginfo-2.5.8-3.el8.x86_64.rpm
Executing(%clean): /bin/sh -e /var/tmp/rpm-tmp.H0uaoc
+ umask 022
+ cd /builddir/build/BUILD
+ cd nio4r-2.5.8
+ /usr/bin/rm -rf /builddir/build/BUILDROOT/rubygem-nio4r-2.5.8-3.el8.x86_64
+ exit 0
Child return code was: 0