From: nagachika00@...
Date: 2019-08-07T10:54:00+00:00
Subject: [ruby-dev:50828] [Ruby master Bug#16032] 2.6 branch is failing on darwin17 on Travis-CI

Issue #16032 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 2.5: UNKNOWN, 2.6: REQUIRED to 2.5: UNKNOWN, 2.6: DONE

Backported into ruby_2_6 at r67730. 

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Bug #16032: 2.6 branch is failing on darwin17 on Travis-CI
https://bugs.ruby-lang.org/issues/16032#change-80428

* Author: nobu (Nobuyoshi Nakada)
* Status: Closed
* Priority: Normal
* Assignee: nagachika (Tomoyuki Chikanaga)
* Target version: 
* ruby -v: 
* Backport: 2.5: UNKNOWN, 2.6: DONE
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Travis-CIのosxイメージにはccacheが入っていないようでエラーになっており、 `update` を付ける必要があります。
また、Homebrew自体が古く更新に時間がかかるので、xcode11を使うほうがいいのではないでしょうか。

https://github.com/nobu/ruby/tree/travis-2.6



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