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Date: Fri, 8 Nov 2019 19:57:24 +0100
From: Augusto César Dias <>
To: Rich Felker <>
Cc: Szabolcs Nagy <>,
Subject: Re: Problems with libc6-compat

Yes, even rust has an official alpine image to compile rust applications on it, but it states some features won’t work such as procedural macros which some libraries makes use of. Here’s an issue stating what should be done...


>>> On 8. Nov 2019, at 18:47, Rich Felker <> wrote:
>> On Fri, Nov 08, 2019 at 02:18:26PM +0100, Augusto César Dias wrote:
>> It is indeed. The problem is there are some features in the rust compiler
>> that are not supported in musl.
> Could you elaborate on that? My understanding is that several
> musl-based distros are shipping rustc and it's believed/expected to
> work fine, but maybe I'm missing something.
> Rich
>>>> On Fri, Nov 8, 2019 at 2:15 PM Szabolcs Nagy <> wrote:
>>> * Augusto César Dias <> [2019-11-08 13:26:33
>>> +0100]:
>>>> My application depends on glib2 which I installed through apk and when it
>>>> starts it fails with the following:
>>>> **
>>>> GLib-GObject:ERROR:../gobject/gtype.c:2743:g_type_register_static:
>>>> assertion failed: (static_quark_type_flags)
>>>> Aborted
>>> there is at least one known glibc quark bug
>>> but that should be fixed in alpine, and in recent musl
>>> it should work even without patching, unless this is
>>> static linking.
>>>> I've trying to compile a C example directly in my alpine container and it
>>>> works in there, so that made me believe I'm having some problems with the
>>>> cross compilation/linking in my glibc container.
>>>> Any ideas on how can I solve this?
>>> why do you need to cross compile?
>>> building natively on a musl based distro where all dependencies
>>> are correctly built and packaged should be much more reliable.

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