開発環境のMac OS X(10.5/Leopard)で、Rails 2.3.3をインストールしようとしたところ、gem updateで失敗したので環境を再考。 % gem list % sudo gem update Updating rmagick Building native extensions. This could take a while... ERROR: While executing gem ... (Gem::Installer::ExtensionBuildError) ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb update checking for Ruby
![『Mac OS X (Leopard) でのRmagickのインストール』](https://cdn-ak-scissors.b.st-hatena.com/image/square/ede3c1bcfb5f53a2f24c52710f921943b680ecd4/height=288;version=1;width=512/https%3A%2F%2Fstat.profile.ameba.jp%2Fprofile_images%2F20110920%2F00%2F9f%2F4c%2Fj%2Fo020002001316447466022.jpg)