Re: pkg/57994: lang/swi-prolog-lite do not build on NetBSD 10

[Thomas Klausner <wiz%NetBSD.org@localhost>]

The following reply was made to PR pkg/57994; it has been noted by GNATS.

From: Thomas Klausner <wiz%NetBSD.org@localhost>
To: NetBSD bugtracking <gnats-bugs%NetBSD.org@localhost>
Cc: 
Subject: Re: pkg/57994: lang/swi-prolog-lite do not build on NetBSD 10
Date: Mon, 4 Mar 2024 08:02:22 +0100

 On Sun, Mar 03, 2024 at 10:56:52PM -0800, Stefan Schaeckeler wrote:
 > 
 > >  I tried to build the 9.0.4 version on NetBSD-current and it failed for me:
 > >
 > >  [ 80%] Generating hashstream.tex
 > >  ERROR: /scratch/lang/swi-prolog-lite/work/swipl-9.0.4/build/home/library/time.pl:124:
 > >  ERROR:    /scratch/lang/swi-prolog-lite/work/swipl-9.0.4/build/home/library/time.pl:124: Initialization goal raised exception:
 > >  ERROR:    '$open_shared_object'/3: /scratch/lang/swi-prolog-lite/work/swipl-9.0.4/build/packages/clib/time.so: Undefined PLT symbol "backtrace_symbols" (symnum = 53)
 > [..]
 > >  Any hints?
 > 
 > The source code of time.c shows that backtrace_symbols() is a c function with headers from /usr/include/execinfo.h. According to its man-page, backtrace_symbols() is implemented in libexecinfo.so
 > 
 > I don't run NetBSD-current. Could it be that its implementation is missing in NetBSD-current?
 > 
 > Here from NetBSD 10:
 > 
 > # nm /usr/lib/libexecinfo.so | grep backtrace_symbols
 > 00000000000016bc T backtrace_symbols
 > 
 > Otherwise, it's more complicated :)
 
 No, it is still in the same library. I wonder why it works for you then :)
 
 # nm /usr/lib/libexecinfo.so | grep backtrace_symbols
 000000000000196c T backtrace_symbols
 0000000000001978 T backtrace_symbols_fd
 00000000000018f7 T backtrace_symbols_fd_fmt
 0000000000001552 T backtrace_symbols_fmt
 
  Thomas