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Message-ID: <20190929205639.GK9017@brightrain.aerifal.cx>
Date: Sun, 29 Sep 2019 16:56:39 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] remove remaining traces of __tls_get_new
On Sun, Sep 29, 2019 at 03:05:27PM +0200, Szabolcs Nagy wrote:
> reported on irc by malc_
> >From 4a7090ab76d81b59f57a83bce9d22582e35a8b2b Mon Sep 17 00:00:00 2001
> From: Szabolcs Nagy <nsz@...t70.net>
> Date: Sun, 29 Sep 2019 12:25:39 +0000
> Subject: [PATCH] remove remaining traces of __tls_get_new
>
> Some declarations of __tls_get_new were left in the code, even
> though the definition got removed in
>
> commit 9d44b6460ab603487dab4d916342d9ba4467e6b9
> install dynamic tls synchronously at dlopen, streamline access
>
> this can make the build fail with
>
> ld: lib/libc.so: hidden symbol `__tls_get_new' isn't defined
>
> when libc.so is linked without --gc-sections, because a .hidden
> declaration in asm code creates a reference even if the symbol
> is not actually used.
This is definitely a tooling bug. There is no reference to the symbol,
only declarations of it. I think it's a good idea to cleanup the
spurious mentions of it anyway, though.
Rich
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