@kytiynka

При установке mysql2 выдает вот такую ошибку, как пофиксить?

spoiler
Temporarily enhancing PATH for MSYS/MINGW...
Using msys2 packages: mingw-w64-ucrt-x86_64-libmariadbclient
Building native extensions. This could take a while...
ERROR:  Error installing mysql2:
        ERROR: Failed to build gem native extension.

    current directory: C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/mysql2-0.5.5/ext/mysql2
C:/Ruby31-x64/bin/ruby.exe -I C:/Ruby31-x64/lib/ruby/3.1.0 extconf.rb
checking for rb_absint_size()... yes
checking for rb_absint_singlebit_p()... yes
checking for rb_gc_mark_movable()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_enc_interned_str() in ruby.h... yes
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
        --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=C:/Ruby31-x64/bin/$(RUBY_BASE_NAME)
        --with-openssl-dir
        --without-openssl-dir
        --with-mysql-dir
        --without-mysql-dir
        --with-mysql-include
        --without-mysql-include=${mysql-dir}/include
        --with-mysql-lib
        --without-mysql-lib=${mysql-dir}/lib
        --with-mysql-config
        --without-mysql-config
        --with-mysqlclient-dir
        --without-mysqlclient-dir
        --with-mysqlclient-include
        --without-mysqlclient-include=${mysqlclient-dir}/include
        --with-mysqlclient-lib
        --without-mysqlclient-lib=${mysqlclient-dir}/lib
        --with-mysqlclientlib
        --without-mysqlclientlib
C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1083:in `block in find_library': undefined method `split' for nil:NilClass (NoMethodError)

    paths = paths.flat_map {|path| path.split(File::PATH_SEPARATOR)}
                                       ^^^^^^
        from C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1083:in `each'
        from C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1083:in `flat_map'
        from C:/Ruby31-x64/lib/ruby/3.1.0/mkmf.rb:1083:in `find_library'
        from extconf.rb:131:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  C:/Ruby31-x64/lib/ruby/gems/3.1.0/extensions/x64-mingw-ucrt/3.1.0/mysql2-0.5.5/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/mysql2-0.5.5 for inspection.
Results logged to C:/Ruby31-x64/lib/ruby/gems/3.1.0/extensions/x64-mingw-ucrt/3.1.0/mysql2-0.5.5/gem_make.out
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