win 3.1 CI failure: error: passing argument 3 of 'rb_define_private_method' from incompatible pointer type [-Wincompatible-pointer-types]

[olleolleolle]

This issue is about the Windows extension, which had this failure, in a build in #91 - here's the output

Details

win32 ../../../../ext/win32/resolv/extconf.rb
checking for GetNetworkParams() in -liphlpapi... yes
creating Makefile
make.exe
generating resolv-x64-mingw-ucrt.def
compiling ../../../../ext/win32/resolv/resolv.c
../../../../ext/win32/resolv/resolv.c: In function 'InitVM_resolv':
../../../../ext/win32/resolv/resolv.c:60:60: error: passing argument 3 of 'rb_define_private_method' from incompatible pointer type [-Wincompatible-pointer-types]
60 | rb_define_private_method(singl, "get_dns_server_list", get_dns_server_list, 0);
| ^~~~~~~~~~~~~~~~~~~
| |
| VALUE ()(VALUE) {aka long long unsigned int ()(long long unsigned int)}
In file included from C:/hostedtoolcache/windows/Ruby/3.1.7/x64/include/ruby-3.1.0/ruby/internal/anyargs.h:76,
from C:/hostedtoolcache/windows/Ruby/3.1.7/x64/include/ruby-3.1.0/ruby/ruby.h:26,
from C:/hostedtoolcache/windows/Ruby/3.1.7/x64/include/ruby-3.1.0/ruby.h:38,
from ../../../../ext/win32/resolv/resolv.c:1:
C:/hostedtoolcache/windows/Ruby/3.1.7/x64/include/ruby-3.1.0/ruby/internal/intern/class.h:340:69: note: expected 'VALUE ()(void)' {aka 'long long unsigned int ()(void)'} but argument is of type 'VALUE ()(VALUE)' {aka 'long long unsigned int ()(long long unsigned int)'}
340 | void rb_define_private_method(VALUE klass, const char *mid, VALUE (*func)(ANYARGS), int arity);
| ~~~~~~~~^~~~~~~~~~~~~~
../../../../ext/win32/resolv/resolv.c:25:1: note: 'get_dns_server_list' declared here
25 | get_dns_server_list(VALUE self)
| ^~~~~~~~~~~~~~~~~~~
make: *** [Makefile:254: resolv.o] Error 1
rake aborted!
Command failed with status (2): [make.exe]
D:/a/resolv/resolv/vendor/bundle/ruby/3.1.0/bundler/gems/ruby-core-tasks-81412ef540dc/lib/ruby-core/make.rb:20:in []' D:/a/resolv/resolv/vendor/bundle/ruby/3.1.0/bundler/gems/ruby-core-tasks-81412ef540dc/lib/ruby-core/extensiontask.rb:54:in block in define_extconf_task'
D:/a/resolv/resolv/vendor/bundle/ruby/3.1.0/gems/rake-13.2.1/exe/rake:27:in `<top (required)>'
Tasks: TOP => test => compile => .build/3.1.7/x64-mingw-ucrt/win32/win32/resolv.so
(See full trace by running task with --trace)
mkdir -p .build/3.1.7/x64-mingw-ucrt/win32
Error: Process completed with exit code 1.