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[Bug gold/22221] add --no-dynamic-linker option


From: i at maskray dot me
Subject: [Bug gold/22221] add --no-dynamic-linker option
Date: Wed, 28 Jul 2021 22:49:21 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=22221

Fangrui Song <i at maskray dot me> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |i at maskray dot me

--- Comment #5 from Fangrui Song <i at maskray dot me> ---
Lack of --no-dynamic-linker makes gold unable to build glibc in
--enable-static-pie mode

mkdir -p out/gold
cd out/gold
../../configure --prefix=/tmp/glibc/gold --enable-static-pie 

>From ld.lld's experience, supporting the option is just a matter of:
https://github.com/llvm/llvm-project/commit/0fbf28f7aae0ceb70071cac56de345e3ff04439c

suppressing dynamic relocations for undefined weak symbols more aggressively.

I have a summary about the linker behaviors in 
https://maskray.me/blog/2021-04-25-weak-symbol

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