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From: Sarah Morgensen <iskarian@mgsn.dev>
To: 50243@debbugs.gnu.org
Subject: bug#50243: [core-updates-frozen] "multiple definition of..." build failures
Date: Sat, 28 Aug 2021 14:23:13 -0700	[thread overview]
Message-ID: <86k0k5462m.fsf@mgsn.dev> (raw)

Hello Guix,

GCC 10 changed the default behavior when encountering multiple
definitions of a global (often an enum) [0].  This causes error messages
like [1]:

--8<---------------cut here---------------start------------->8---
  ld: a.o:(.bss+0x0): multiple definition of `a'; main.o:(.data+0x0): first defined here
--8<---------------cut here---------------end--------------->8---

Gentoo's tracker for this issue [2] also has some more info.  I manually
searched Cuirass build logs and found 28 packages failing on x86_64 with
this error:

arcan-sdl@0.5.5.2-1.b4dd1fb
aris@2.2
blastem@0.6.2
chocolate-doom@3.0.1
crispy-doom@5.8.0
geeqie@1.5
glabels@3.4.1
gmtp@1.3.11
gpredict@2.2.1
gtksheet@4.3.5
jumpnbump@1.61
lablgtk@2.18.10
libappindicator@12.10.0
libopenshot@0.2.5
libsrtp@2.3.0
linsmith@0.99.31
megaglest@3.13.0
mupen64plus-core@2.5
ocaml4.07-lablgtk@1.18.10
ocl-icd@2.2.12
opencpn@5.0.0
pcsxr@1.9.95
pipewire@0.2.7
transcode@1.1.7
transmission-remote-gtk@1.4.1
uget@2.2.1
uim-gtk@1.8.8
uim-qt@1.8.8

I submitted an issue upstream for transmission-remote-gtk [3], but I
haven't taken a look at the others.  Any takers?

[0] https://gcc.gnu.org/gcc-10/porting_to.html
[1] https://wiki.gentoo.org/wiki/Project:Toolchain/Gcc_10_porting_notes/fno_common
[2] https://bugs.gentoo.org/705764
[3] https://github.com/transmission-remote-gtk/transmission-remote-gtk/issues/122

--
Sarah




             reply	other threads:[~2021-08-28 21:24 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-28 21:23 Sarah Morgensen [this message]
2021-09-04 14:41 ` bug#50243: [core-updates-frozen] "multiple definition of..." build failures Ludovic Courtès
2021-09-05  2:41   ` Sarah Morgensen
2021-09-05  6:00   ` Sarah Morgensen
2021-09-05  9:52     ` Guillaume Le Vaillant
2021-09-05 11:28     ` Guillaume Le Vaillant
2021-09-06  2:52       ` Sarah Morgensen
2021-09-10  8:23 ` Guillaume Le Vaillant
2021-09-16  8:48 ` Guillaume Le Vaillant
2021-11-22 17:25 ` Ricardo Wurmus
2021-11-22 19:32 ` Ricardo Wurmus
2021-11-22 22:17 ` Ricardo Wurmus

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