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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14670) Increase minimum cmake version for all platforms
Date Fri, 15 Sep 2017 23:52:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168697#comment-16168697
] 

Wangda Tan commented on HADOOP-14670:
-------------------------------------

I want to check if the macro takes effect or not, so I set it to old standard to see will
it cause build failure or not. Not sure if I have any misunderstandings of the macro.

> Increase minimum cmake version for all platforms
> ------------------------------------------------
>
>                 Key: HADOOP-14670
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14670
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 3.0.0-beta1
>            Reporter: Allen Wittenauer
>            Assignee: Allen Wittenauer
>             Fix For: 3.0.0-beta1
>
>         Attachments: HADOOP-14670.00.patch, HADOOP-14670.01.patch, HADOOP-14670.02.patch,
HADOOP-14670.03.patch
>
>
> cmake 2.6 is old at this point and I'd be greatly surprised if anyone is actually using
it or testing against it.  It's probably time to upgrade to something approaching modern.
 Plus:
> * Mac OS X already requires 3.0
> * If HADOOP-14667 gets committed, Windows bumps to 3.1
> * There is special handling in at least one CMakeLists.txt for versions less than 3.1
> Given the last two points, I'd propose making the minimum 3.1, if not something higher
due to  compiler support for newer compilers across all platforms.



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