Ruby 2.1.4のビルドエラー OS X(10.9.5)上で、rbenvを使ってRuby 2.1.4をビルドした際に、以下のエラーが発生した。(後述の原因から察するに、rbenv経由でなく普通にRubyをビルドしようとした場合にも自身の環境では同様の問題が発生したと思われる) $ rbenv install -v 2.1.4 ... In file included from dmydln.c:1: ./include/ruby/ruby.h:56:20: error: stdarg.h: No such file or directory In file included from ./include/ruby.h:33, from main.c:13: ./include/ruby/ruby.h:56:20: error: stdarg.h: No such file or dir
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