GNU bug report logs - #19973
Grafts break debug outputs

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw <at> netris.org>
Cc: 19973 <at> debbugs.gnu.org
Subject: bug#19973: Grafts break debug outputs
Date: Fri, 10 Mar 2017 14:14:13 +0100

ludo <at> gnu.org (Ludovic Courtès) skribis:

> However, one very likely problem is that .debug files include a CRC of
> the binary they correspond to (info "(gdb) Separate Debug Files"), and
> that CRC is not updated when we graft things.

It manifests like this in GDB:

--8<---------------cut here---------------start------------->8---
warning: the debug information found in "/home/ludo/.guix-profile/lib/debug//gnu/store/y8ppqsxiki39n4mqpb4mab6bgwqsnnp7-libgc-7.4.2/lib/libgc.so.debug" does not match "/gnu/store/y8ppqsxiki39n4mqpb4mab6bgwqsnnp7-libgc-7.4.2/lib/libgc.so.1" (CRC mismatch).
--8<---------------cut here---------------end--------------->8---

Ludo’.

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