Bug #13538: head: illegal option -- c

• Status: Closed
• Assignee: znz (Kazuhiro NISHIYAMA)
• Target version: -
• ruby -v: ruby 2.5.0dev (2017-05-02 trunk 58541) [i386-solaris2.11]
• Backport: 2.2: UNKNOWN, 2.3: DONTNEED, 2.4: DONE

[znz (Kazuhiro NISHIYAMA)]

Solaris 11.3でビルドを試したところ、configure の最後で以下のようなエラーが出ました。

---
Configuration summary for ruby version 2.5.0

head: illegal option -- c
usage: head [-n #] [-#] [filename...]
/export/home/vagrant/opt/ruby
head: illegal option -- c
usage: head [-n #] [-#] [filename...]
${prefix}
head: illegal option -- c
(略)
head: illegal option -- c
usage: head [-n #] [-#] [filename...]
yes
head: illegal option -- c
usage: head [-n #] [-#] [filename...]
man

---

head -c は POSIX になくて、代わりの手段を探してみたところ、どの環境でも使えるシェルスクリプトを書くためのメモ ver4.51 - Qiita の headコマンド にあったので head -c26 を dd bs=1 count=26 2>/dev/null に書き換えます。

• Status changed from Open to Closed

Applied in changeset trunk|r58548.

---

Use dd instead of head -c

[Bug #13538] [ruby-dev:50106]

[usa (Usaku NAKAMURA)]

• Backport changed from 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN to 2.2: UNKNOWN, 2.3: DONTNEED, 2.4: DONE