❯ gem install pkg/bitset-1.2.1.gem
Building native extensions. This could take a while...
ERROR:  Error installing pkg/bitset-1.2.1.gem:
	ERROR: Failed to build gem native extension.

    current directory: /Users/spozder/.gem/ruby/3.1.5/gems/bitset-1.2.1/ext/bitset
/Users/spozder/.rubies/ruby-3.1.5/bin/ruby -I /Users/spozder/.rubies/ruby-3.1.5/lib/ruby/3.1.0 extconf.rb
creating Makefile

current directory: /Users/spozder/.gem/ruby/3.1.5/gems/bitset-1.2.1/ext/bitset
make DESTDIR\= sitearchdir\=./.gem.20240430-4287-71j6hm sitelibdir\=./.gem.20240430-4287-71j6hm clean

current directory: /Users/spozder/.gem/ruby/3.1.5/gems/bitset-1.2.1/ext/bitset
make DESTDIR\= sitearchdir\=./.gem.20240430-4287-71j6hm sitelibdir\=./.gem.20240430-4287-71j6hm
compiling bitset.c
bitset.c:83:33: warning: function 'raise_index_error' could be declared with attribute 'noreturn' [-Wmissing-noreturn]
static void raise_index_error() {
                                ^
bitset.c:318:18: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32]
    int length = RSTRING_LEN(s);
        ~~~~~~   ^~~~~~~~~~~~~~
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/core/rstring.h:52:27: note: expanded from macro 'RSTRING_LEN'
#define RSTRING_LEN       RSTRING_LEN
                          ^
bitset.c:509:16: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32]
    int alen = RARRAY_LEN(index_array);
        ~~~~   ^~~~~~~~~~~~~~~~~~~~~~~
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/core/rarray.h:68:36: note: expanded from macro 'RARRAY_LEN'
#define RARRAY_LEN                 rb_array_len                 /**< @alias{rb_array_len} */
                                   ^
bitset.c:605:5: error: incompatible function pointer types passing 'VALUE (VALUE, VALUE)' (aka 'unsigned long (unsigned long, unsigned long)') to parameter of type 'VALUE (*)(VALUE)' (aka 'unsigned long (*)(unsigned long)') [-Wincompatible-function-pointer-types]
    rb_define_method(cBitset, "size", rb_bitset_size, 0);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/anyargs.h:287:135: note: expanded from macro 'rb_define_method'
#define rb_define_method(klass, mid, func, arity)           RBIMPL_ANYARGS_DISPATCH_rb_define_method((arity), (func))((klass), (mid), (func), (arity))
                                                                                                                                      ^~~~~~
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: passing argument to parameter here
RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
^
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/anyargs.h:254:72: note: expanded from macro 'RBIMPL_ANYARGS_DECL'
RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _00(__VA_ARGS__, VALUE(*)(VALUE), int); \
                                                                       ^
bitset.c:649:5: error: incompatible function pointer types passing 'VALUE (VALUE, VALUE)' (aka 'unsigned long (unsigned long, unsigned long)') to parameter of type 'VALUE (*)(VALUE)' (aka 'unsigned long (*)(unsigned long)') [-Wincompatible-function-pointer-types]
    rb_define_method(cBitset, "reverse", rb_bitset_reverse, 0);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/anyargs.h:287:135: note: expanded from macro 'rb_define_method'
#define rb_define_method(klass, mid, func, arity)           RBIMPL_ANYARGS_DISPATCH_rb_define_method((arity), (func))((klass), (mid), (func), (arity))
                                                                                                                                      ^~~~~~
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/anyargs.h:276:1: note: passing argument to parameter here
RBIMPL_ANYARGS_DECL(rb_define_method, VALUE, const char *)
^
/Users/spozder/.rubies/ruby-3.1.5/include/ruby-3.1.0/ruby/internal/anyargs.h:254:72: note: expanded from macro 'RBIMPL_ANYARGS_DECL'
RBIMPL_ANYARGS_ATTRSET(sym) static void sym ## _00(__VA_ARGS__, VALUE(*)(VALUE), int); \
                                                                       ^
3 warnings and 2 errors generated.
make: *** [bitset.o] Error 1

make failed, exit code 2

Gem files will remain installed in /Users/spozder/.gem/ruby/3.1.5/gems/bitset-1.2.1 for inspection.
Results logged to /Users/spozder/.gem/ruby/3.1.5/extensions/x86_64-darwin-23/3.1.0/bitset-1.2.1/gem_make.out

Results logged to /Users/spozder/.gem/ruby/3.1.5/extensions/x86_64-darwin-23/3.1.0/bitset-1.2.1/gem_make.out
❯ git stash pop
On branch master
Your branch is up to date with 'origin/master'.

Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
	modified:   VERSION
	modified:   ext/bitset/bitset.c

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	.gem
	Gemfile
	Gemfile.lock

no changes added to commit (use "git add" and/or "git commit -a")
Dropped refs/stash@{0} (c49d3b38c3ba46fc73372e51cb977730b4d5fe96)
❯ rake build
WARNING:  open-ended dependency on rake (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on jeweler (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on rspec (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: bitset
  Version: 1.2.1
  File: bitset-1.2.1.gem
❯ gem install pkg/bitset-1.2.1.gem
Building native extensions. This could take a while...
Successfully installed bitset-1.2.1
Parsing documentation for bitset-1.2.1
Installing ri documentation for bitset-1.2.1
Done installing documentation for bitset after 0 seconds
1 gem installed

❯ rake spec
/Users/spozder/.rubies/ruby-3.1.5/bin/ruby -I/Users/spozder/.gem/ruby/3.1.5/gems/rspec-core-3.13.0/lib:/Users/spozder/.gem/ruby/3.1.5/gems/rspec-support-3.13.1/lib /Users/spozder/.gem/ruby/3.1.5/gems/rspec-core-3.13.0/exe/rspec --pattern spec/\*\*\{,/\*/\*\*\}/\*_spec.rb --color
.................................................

Finished in 0.03824 seconds (files took 0.40695 seconds to load)
49 examples, 0 failures