[Interest] Gold linker configuration in Qt 5

[Michal Klocek]

https://codereview.qt-project.org/c/qt/qtbase/+/250261

On 7/2/20 3:22 PM, Ramakanth Kesireddy wrote:
> Ok Thanks for your details.
> 
> Is there any option in Qt5 configure line to make use of llvm ldd linking?
> 
> Best Regards,
> Ramakanth
> On Thu, 2 Jul, 2020, 15:26 Sérgio Martins, <sergio.martins at kdab.com 
> <mailto:sergio.martins at kdab.com>> wrote:
> 
>     On 2020-07-02 10:29, Ramakanth Kesireddy wrote:
>      > Hi,
>      >
>      > Is it recommended to use gold linker or system linker with
>      > -no-use-goldlinker while configuring Qt5.6.3 and above?
>      >
>      > As per my understanding, gold linker should provide faster
>     linking and
>      > use
>      > less memory than the traditional linker.
>      >
>      > Please let me know your thoughts in this regard.
> 
>     I did a quick test a while back, not sure which versions I tested, but
>     FWIW:
> 
>     Linking Qt5Widgets:
>         gnu ld: 5 seconds
>         gold: 3 seconds
>         gold --threads: 1.6 seconds # Requires compilation with
>     --enable-threads
>         llvm ldd: 0.7 seconds # Threads enabled by default in newer llvm
> 
>     ldd was the fastest
> 
> 
>     Regards,
>     -- 
>     Sérgio Martins | sergio.martins at kdab.com
>     <mailto:sergio.martins at kdab.com> | Senior Software Engineer
>     Klarälvdalens Datakonsult AB, a KDAB Group company
>     Tel: Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322)
>     KDAB - The Qt, C++ and OpenGL Experts
> 
> 
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