Ruby 3.2.0-dev のビルドで、手元の Bison が古いと以下のようなエラーになります。
% rbenv install 3.2.0-dev rbenv: /Users/koic/.rbenv/versions/3.2.0-dev already exists continue with installation? (y/N) y To follow progress, use 'tail -f /var/folders/6j/5l8q3y250b97529_tcssrwlm0000gn/T/ruby-build.20221116140826.18556.log' or pass --verbose Installing openssl-3.0.7... Installed openssl-3.0.7 to /Users/koic/.rbenv/versions/3.2.0-dev Cloning https://github.com/ruby/ruby.git... dateInstalling ruby-master... Building with YJIT by default because rustc 1.61.0 (fe5b13d68 2022-05-18) is installed; add RUBY_CONFIGURE_OPTS='--disable-yjit' to disable explicitly ruby-build: using readline from homebrew ruby-build: using gmp from homebrew BUILD FAILED (Mac OS X 10.15.7 using ruby-build 20220324-102-g0080511) Inspect or clean up the working tree at /var/folders/6j/5l8q3y250b97529_tcssrwlm0000gn/T/ruby-build.20221116140826.18556.oLJDwU Results logged to /var/folders/6j/5l8q3y250b97529_tcssrwlm0000gn/T/ruby-build.20221116140826.18556.log Last 10 log lines: compiling regsyntax.c compiling ruby.c compiling scheduler.c compiling shape.c compiling signal.c compiling sprintf.c compiling st.c parse.tmp.y:12.10-14: require bison 3.0, but have 2.3 make: *** [parse.c] Error 63 make: *** Waiting for unfinished jobs....
以下のように手元の Bison が古いようであれば、brew などで手元の Bison のバージョンを 3 以上にアップグレードしましょう。
% bison --version bison (GNU Bison) 2.3 Written by Robert Corbett and Richard Stallman. Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
macOS 標準の Bison が古くて遭遇することがあるかもしれません。この Bison バージョン更新に関して詳しくは以下をどうぞ。
