Your message dated Tue, 05 Oct 2021 05:34:05 +0000
with message-id <[email protected]>
and subject line Bug#995473: fixed in picolibc 1.7.3-2
has caused the Debian Bug report #995473,
regarding picolibc: aarch64 autopkgtest fails in Ubuntu
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
995473: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=995473
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: picolibc-aarch64-linux-gnu
Version: 1.7.2-2
User: [email protected]
Usertags: origin-ubuntu impish
Hi Keith,
Recent versions of picolibc are failing to migrate into the Ubuntu release
because the new(ish) aarch64 autopkgtest fails on Ubuntu:
[...]
autopkgtest [19:05:54]: test command3: [-----------------------
/usr/lib/gcc-cross/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/bin/ld:
/usr/lib/picolibc/aarch64-linux-gnu/lib/../lib/libc.a(stack_protector.c.o): in
function `__stack_chk_fail_weak':
./aarch64-linux-gnu/../../../newlib/libc/ssp/stack_protector.c:54: undefined
reference to `_exit'
/usr/lib/gcc-cross/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/bin/ld:
/usr/lib/picolibc/aarch64-linux-gnu/lib/../lib/libc.a(puts.c.o): in function
`puts':
./aarch64-linux-gnu/../../../newlib/libc/tinystdio/puts.c:41: undefined
reference to `__iob'
/usr/lib/gcc-cross/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/bin/ld:
./aarch64-linux-gnu/../../../newlib/libc/tinystdio/puts.c:41: undefined
reference to `__iob'
/usr/lib/gcc-cross/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/bin/ld:
/usr/lib/picolibc/aarch64-linux-gnu/lib/../lib/libc.a(signal.c.o): in function
`raise':
./aarch64-linux-gnu/../../../newlib/libc/signal/signal.c:131: undefined
reference to `getpid'
/usr/lib/gcc-cross/aarch64-linux-gnu/11/../../../../aarch64-linux-gnu/bin/ld:
./aarch64-linux-gnu/../../../newlib/libc/signal/signal.c:131: undefined
reference to `kill'
collect2: error: ld returned 1 exit status
[...]
(https://autopkgtest.ubuntu.com/packages/p/picolibc/impish/amd64)
I believe the issue is that, unlike other architectures, the aarch64 support
is using gcc-aarch64-linux-gnu instead of a compiler that uses a libc-less
target by default, and makes an incorrect assumption that in its default
configuration it will not generate references to glibc. This happens to
work for the autopkgtest test case on Debian, but fails on Ubuntu (from the
output, probably related at least in part to the additional security
hardening features that are turned on in Ubuntu gcc by default).
The following compile command succeeds:
aarch64-linux-gnu-gcc -ffreestanding --specs=picolibc.specs -o
/tmp/touch-aarch64 debian/tests/touch.c -lm
So perhaps picolibc.specs just needs to include the equivalent of
-ffreestanding in order to be portable.
Cheers,
--
Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the world.
Ubuntu Developer https://www.debian.org/
[email protected] [email protected]
signature.asc
Description: PGP signature
--- End Message ---
--- Begin Message ---
Source: picolibc
Source-Version: 1.7.3-2
Done: Keith Packard <[email protected]>
We believe that the bug you reported is fixed in the latest version of
picolibc, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Keith Packard <[email protected]> (supplier of updated picolibc package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Mon, 04 Oct 2021 22:02:31 -0700
Source: picolibc
Architecture: source
Version: 1.7.3-2
Distribution: unstable
Urgency: medium
Maintainer: Keith Packard <[email protected]>
Changed-By: Keith Packard <[email protected]>
Closes: 995473
Changes:
picolibc (1.7.3-2) unstable; urgency=medium
.
* Add -fno-stack-protector to touch test build. Closes: #995473.
.
* Update standards to 4.6.0.1
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