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Re: Segfault while building on 64-bit Cygwin

From: Ludovic Courtès
Subject: Re: Segfault while building on 64-bit Cygwin
Date: Tue, 21 Jan 2020 10:01:58 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)


John Cowan <address@hidden> skribis:

> Yes, gladly, but I don't know how to get one in this context.

You would unpack, configure, and build like you did before (with JIT
enabled, so as to reproduce the crash), but before that you’d run
“ulimit -c unlimited” in that shell to make sure there’s a core dumped
when it crashes.

Once it has crashed, locate the ‘core’ file (or ‘core.*’), and run, say:

  gdb libguile/.libs/guile bootstrap/core

Then from the GDB prompt:

  thread apply all bt


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