[jira] [Resolved] (IMPALA-9760) Use different locations for native toolchain packages built with different compilers

["Joe McDonnell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-9760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joe McDonnell resolved IMPALA-9760.
-----------------------------------
     Fix Version/s: Impala 4.0
    Target Version: Impala 4.0
        Resolution: Fixed

It makes sense for the commit switch to GCC7 to add the compiler version to the path. There is no need for an intermediate step with GCC 4.9.2.

> Use different locations for native toolchain packages built with different compilers
> ------------------------------------------------------------------------------------
>
>                 Key: IMPALA-9760
>                 URL: https://issues.apache.org/jira/browse/IMPALA-9760
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Infrastructure
>    Affects Versions: Impala 4.0
>            Reporter: Joe McDonnell
>            Assignee: Joe McDonnell
>            Priority: Minor
>             Fix For: Impala 4.0
>
>
> To switch to GCC 7 with the new ABI, we want to keep the packages using the old ABI and new ABI separate. This means that they will need to reside in different directories inside IMPALA_TOOLCHAIN. There is code in other repositories that depends on finding things inside IMPALA_TOOLCHAIN, so it may be easiest to have multiple phases:
> 1. Introducing a new variable tracking the native package location which is the same as IMPALA_TOOLCHAIN
> 2. Switch dependent code to use this new variable
> 3. Change the value of the variable to be different for different compilers



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