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[Node.js] brew install node したあとに表示される with-full-icu とは何か

公開日: 2015/12/21
更新日: 2018/10/19

memo.

インストール後にこんな表示が出ます。

Please note by default only English locale support is provided. If you need
full locale support you should:
  `brew reinstall node --with-full-icu`

指示通りに実行すると ./configure --with-intl=full-icu されたことが分かる。

% brew reinstall node --with-full-icu
==> Reinstalling node with --with-full-icu
==> Downloading https://nodejs.org/dist/v5.3.0/node-v5.3.0.tar.gz
Already downloaded: /Library/Caches/Homebrew/node-5.3.0.tar.gz
==> Downloading https://ssl.icu-project.org/files/icu4c/56.1/icu4c-56_1-src.tgz
Already downloaded: /Library/Caches/Homebrew/node--icu4c-56.1.tgz
==> ./configure --prefix=/usr/local/Cellar/node/5.3.0 --without-npm --with-intl=full-icu
==> make install
==> Downloading https://registry.npmjs.org/npm/-/npm-3.3.12.tgz
Already downloaded: /Library/Caches/Homebrew/node--npm-3.3.12.tgz
==> ./configure --prefix=/usr/local/Cellar/node/5.3.0/libexec/npm
==> make install
==> Caveats
Please note by default only English locale support is provided. If you need
full locale support you should:
  `brew reinstall node --with-full-icu`
Bash completion has been installed to:
  /usr/local/etc/bash_completion.d
==> Summary
🍺  /usr/local/Cellar/node/5.3.0: 2827 files, 59M, built in 10.3 minutes

./configure --with-intl=full-icu とは。

Intl オブジェクトを使うと言語ロケールに依存した文字列比較、日付フォーマット、数値フォーマットができるようになる。