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Date: Fri, 12 Dec 2025 20:44:23 +0900
To: cygwin AT cygwin DOT com
Subject: Re: Updated: swig-4.4.1-1
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From: Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
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On Fri, 12 Dec 2025 20:30:23 +0900
Takashi Yano wrote:
> On Thu, 11 Dec 2025 19:03:24 +0100
> Marco Atzeri wrote:
> > Version 4.4.1-1 of
> > 
> >     swig
> > 
> > have been uploaded for cygwin.
> 
> Both version 4.4.0-1 and 4.4.1-1 fail to build "unbound".
> 
> Steps to reproduce:
> 1) Download source package of unbound and extract it.
> 2) Run "cygport unbound all".
> 3) Then the build fails.
> 
> Downgrading swig to 4.3.1-1 solves the issue. The direct
> cause of the issue seems to be failure of macro(?) expansion.
> 
> py3/libunbound/python/libunbound_wrap.c in the build directory
> has lines:
> 
>   //printf("resolve_start(%lX)\n",(long unsigned int)arg1);
>   Py_BEGIN_ALLOW_THREADS
>   $function
>   Py_END_ALLOW_THREADS
>   //printf("resolve_stop()\n");
> 
> where "$function" remains unexpanded.
> 
> With swig 4.3.1-1, these lines are:
> 
>   //printf("resolve_start(%lX)\n",(long unsigned int)arg1);
>   Py_BEGIN_ALLOW_THREADS
>   result = (int)ub_resolve(arg1,(char const *)arg2,arg3,arg4,arg5);
>   Py_END_ALLOW_THREADS
>   //printf("resolve_stop()\n");
> 
> I'm not sure where the problem is, I mean, swig or unbound.
> Any idea?

I found the PR in unbound upstream.
https://github.com/NLnetLabs/unbound/pull/1331/commits/1d3d78dff5df323dfb1c729f2e22dc5bd8bc9593

Sorry to bother you.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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