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https://issues.apache.org/jira/browse/ARROW-3456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646371#comment-16646371
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Krisztian Szucs commented on ARROW-3456:
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On 18.04 they are not corresponding:
{code:bash}
root@a20dc552bc25:/# iwyu --version
include-what-you-use 0.9 based on clang version 5.0.1-2 (tags/RELEASE_501/final)
root@a20dc552bc25:/# clang -v
clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.3.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.3.0
Candidate multilib: .;@m64
Selected multilib: .;@m64
root@a20dc552bc25:/#
{code}
in contrary of 18.10
{code:bash}
root@79e22d520a56:/# iwyu --version
include-what-you-use 0.10 based on clang version 7.0.0-2
(tags/RELEASE_700/final)
root@79e22d520a56:/# clang -v
clang version 7.0.0-3 (tags/RELEASE_700/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Candidate multilib: .;@m64
Selected multilib: .;@m64
{code}
Which clang version shoulw We prefer in the docker builds?
> [CI] Reuse cpp image for running iwyu and lint in docker-compose
> -----------------------------------------------------------------
>
> Key: ARROW-3456
> URL: https://issues.apache.org/jira/browse/ARROW-3456
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Continuous Integration
> Reporter: Krisztian Szucs
> Assignee: Krisztian Szucs
> Priority: Major
>
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