current directory: /home/ppadron/Projects/fluentd-plugin-google-cloud-logging/vendor/ruby/3.1.0/gems/cool.io-1.7.1/ext/iobuffer
/home/ppadron/.asdf/installs/ruby/3.1.2/bin/ruby -I /home/ppadron/.asdf/installs/ruby/3.1.2/lib/ruby/3.1.0 -r ./siteconf20230418-117933-vzzj97.rb extconf.rb
checking for main() in -lc... yes
checking for HAVE_RB_IO_T in ruby/io.h... yes
checking for rb_io_t.fd in ruby/io.h... yes
creating Makefile

current directory: /home/ppadron/Projects/fluentd-plugin-google-cloud-logging/vendor/ruby/3.1.0/gems/cool.io-1.7.1/ext/iobuffer
make DESTDIR\= clean

current directory: /home/ppadron/Projects/fluentd-plugin-google-cloud-logging/vendor/ruby/3.1.0/gems/cool.io-1.7.1/ext/iobuffer
make DESTDIR\=
compiling iobuffer.c
iobuffer.c: In function ‘IO_Buffer_read’:
iobuffer.c:309:19: warning: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Wsign-compare]
  309 |         if(length > buf->size)
      |                   ^
iobuffer.c: In function ‘buffer_read_frame’:
iobuffer.c:636:35: warning: pointer targets in initialization of ‘char *’ from ‘unsigned char *’ differ in signedness [-Wpointer-sign]
  636 |         char           *loc, *s = head->data + head->start, *e = head->data + head->end;
      |                                   ^~~~
iobuffer.c:636:66: warning: pointer targets in initialization of ‘char *’ from ‘unsigned char *’ differ in signedness [-Wpointer-sign]
  636 |         char           *loc, *s = head->data + head->start, *e = head->data + head->end;
      |                                                                  ^~~~
iobuffer.c:632:25: warning: unused variable ‘tmp’ [-Wunused-variable]
  632 |     struct buffer_node *tmp;
      |                         ^~~
iobuffer.c: In function ‘buffer_write_to’:
iobuffer.c:712:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Wsign-compare]
  712 |         if (bytes_written < buf->head->end - buf->head->start) {
      |                           ^
iobuffer.c: In function ‘buffer_read_from’:
iobuffer.c:764:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Wsign-compare]
  764 |     } while (bytes_read == nbytes);
      |                         ^~
iobuffer.c: At top level:
cc1: note: unrecognized command-line option ‘-Wno-self-assign’ may have been intended to silence earlier diagnostics
cc1: note: unrecognized command-line option ‘-Wno-parentheses-equality’ may have been intended to silence earlier diagnostics
cc1: note: unrecognized command-line option ‘-Wno-constant-logical-operand’ may have been intended to silence earlier diagnostics
linking shared-object iobuffer_ext.so

current directory: /home/ppadron/Projects/fluentd-plugin-google-cloud-logging/vendor/ruby/3.1.0/gems/cool.io-1.7.1/ext/iobuffer
make DESTDIR\= install
/usr/bin/install -c -m 0755 iobuffer_ext.so ./.gem.20230418-117933-gq0pgj