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https://issues.apache.org/jira/browse/TS-1878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378019#comment-14378019
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bwahn edited comment on TS-1878 at 3/24/15 3:36 PM:
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I add -Wl,-as-needed in configure.ac and build.
But, I can't find difference between using of -Wl,-as-needed and not using.
Please reivew TS-1878.diff .
Use -Wl,-as-needed :
/opt/ats/bin$ ldd -u -r traffic_server
Unused direct dependencies:
linux-vdso.so.1
Not use -Wl,-as-needed :
/opt/ats/bin$ ldd -u -r traffic_server
Unused direct dependencies:
linux-vdso.so.1
Could you describe more details?
was (Author: bwahn):
I add configure.ac and build.
But, I can't find difference between using of -Wl,-as-needed and not using.
Please reivew TS-1878.diff .
Use -Wl,-as-needed :
/opt/ats/bin$ ldd -u -r traffic_server
Unused direct dependencies:
linux-vdso.so.1
Not use -Wl,-as-needed :
/opt/ats/bin$ ldd -u -r traffic_server
Unused direct dependencies:
linux-vdso.so.1
Could you describe more details?
> link libraries as needed on linux
> ---------------------------------
>
> Key: TS-1878
> URL: https://issues.apache.org/jira/browse/TS-1878
> Project: Traffic Server
> Issue Type: Improvement
> Components: Build
> Reporter: James Peach
> Priority: Minor
> Labels: newbie
> Fix For: 6.0.0
>
> Attachments: TS-1878.diff
>
>
> We should pass {{-Wl,-as-needed}} to the linker on Linux to get it to strip
> unused libraries. The equivalent Darwin option is {{-Wl,-dead_strip_dylibs}}.
> See also:
> http://www.gentoo.org/proj/en/qa/asneeded.xml
>
> http://sigquit.wordpress.com/2011/02/16/why-asneeded-doesnt-work-as-expected-for-your-libraries-on-your-autotools-project/
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