GNU bug report logs - #50098
Configuring --with-libsigsegv results in link error

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Evan Miller <emmiller <at> gmail.com>
Subject: bug#50098: closed (Re: bug#50098: Configuring --with-libsigsegv
 results in link error)
Date: Tue, 17 Aug 2021 19:13:01 +0000

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Your bug report

#50098: Configuring --with-libsigsegv results in link error

which was filed against the grep package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 50098 <at> debbugs.gnu.org.

-- 
50098: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=50098
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Evan Miller <emmiller <at> gmail.com>
Cc: Gnulib bugs <bug-gnulib <at> gnu.org>, 50098-done <at> debbugs.gnu.org
Subject: Re: bug#50098: Configuring --with-libsigsegv results in link error
Date: Tue, 17 Aug 2021 12:12:17 -0700

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On 8/17/21 11:06 AM, Evan Miller wrote:
> Using grep 3.7 (as well as master), I'm seeing undefined symbol errors after pointing the build to use a local installation of libsigsegv (version 2.13).

Thanks for reporting that. It's a bug in Gnulib's c-stack module, which 
I fixed in Gnulib by installing the attached. The problem should be 
fixed in the next Grep release. In the meantime you should be able work 
around the Grep problem by not using --with-libsigsegv.

[0001-c-stack-fix-libsigsegv-dependency.patch (text/x-patch, attachment)]

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From: Evan Miller <emmiller <at> gmail.com>
To: bug-grep <at> gnu.org
Subject: Configuring --with-libsigsegv results in link error
Date: Tue, 17 Aug 2021 14:06:09 -0400

Using grep 3.7 (as well as master), I'm seeing undefined symbol errors after pointing the build to use a local installation of libsigsegv (version 2.13).

Making all in src
  CCLD     grep
Undefined symbols:
  "_stackoverflow_install_handler", referenced from:
      _c_stack_action in libgreputils.a(c-stack.o)
  "_sigsegv_install_handler", referenced from:
      _c_stack_action in libgreputils.a(c-stack.o)
ld: symbol(s) not found


Configure appears to find the library (which is provided by MacPorts) correctly. The config.log contains:

LIBSIGSEGV='-L/opt/local/lib -lsigsegv'


Compiler

powerpc-apple-darwin8-gcc-apple-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) (MacPorts apple-gcc42 5666.3_16)


System

8.11.0 Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPC Power Macintosh powerpc


It's an older system but seems close to building the program. Let me know what additional information would be useful for debugging.

Evan

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