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Subject: [Bug libc/26558] [meta] Build glibc with LLD
Date: Tue, 01 Sep 2020 12:41:11 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26558

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-09-01
     Ever confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Fangrui Song from comment #0)
> Some known issues:
>=20
> * elf/librtld.map.o uses a subtle property of --defsym:
> https://sourceware.org/pipermail/libc-alpha/2020-April/112732.html

Since --defsym in ldd is incompatible with glibc build, --defsym should be
poisoned for glibc build.

> * ld.lld --verbose does not print a linker script and ld.lld
> --print-output-format is not supported:
> https://sourceware.org/pipermail/libc-alpha/2020-April/112733.html
> * Neither clang nor LLD may support the semantics of .tls_common
> https://sourceware.org/pipermail/libc-alpha/2020-April/112734.html

This is used to implement STT_COMMON.  Do clang/LLD support STT_COMMON?

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