[jira] [Commented] (KUDU-3805) Use the mold linker for building Kudu

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KUDU-3805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18116861#comment-18116861 ] 

ASF subversion and git services commented on KUDU-3805:
-------------------------------------------------------

Commit 82425427e5cfb547318e20e6e8ad23b77674996f in kudu's branch refs/heads/master from Alexey Serbin
[ https://gitbox.apache.org/repos/asf?p=kudu.git;h=82425427e ]

KUDU-3805 prefer using mold linker when available

This changelist enables using the mold linker [1] for building Kudu
and addresses KUDU-3614 as well.

With the mold linker, it was necessary to switch to using --exclude-libs
for gflags and glog libraries to avoid exporting their symbols.
It seems the mold linker doesn't recognize and interpret the *google::*
pattern the same way as a GNU ld-compatible linker does.  With that,
I removed corresponding sections from src/kudu/client/symbols.map.
Maybe, we need to eventually switch to using --exclude-libs=ALL and
avoid using the --version-script provisions, but it's a separate story.

[1] https://github.com/rui314/mold

Change-Id: I9cd76b3cfa96b6ebd119a95d24834fe154e56aa0
Reviewed-on: http://gerrit.cloudera.org:8080/24862
Reviewed-by: Abhishek Chennaka <ac...@cloudera.com>
Tested-by: Alexey Serbin <al...@apache.org>


> Use the mold linker for building Kudu
> -------------------------------------
>
>                 Key: KUDU-3805
>                 URL: https://issues.apache.org/jira/browse/KUDU-3805
>             Project: Kudu
>          Issue Type: Improvement
>            Reporter: Alexey Serbin
>            Assignee: Alexey Serbin
>            Priority: Major
>
> The [mold linker|https://github.com/rui314/mold] is faster and uses less memory than standard GNU ld and LLVM's lld linkers.  To reduce Kudu build times and memory usage during build, it makes sense to switch to the mold linker.



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