ports/145769: final link of mail/fetchmail fails libhx509.so undefined reference to MD2_Init etc

[Matthias Andree]

The following reply was made to PR ports/145769; it has been noted by GNATS.

From: "Matthias Andree" <matthias.andree at gmx.de>
To: "Stefan Walter" <stefan at freebsd.org>, "Andrew Reilly"
 <areilly at bigpond.net.au>
Cc: "Edwin Groothuis" <edwin at freebsd.org>, GNATS
 <FreeBSD-gnats-submit at freebsd.org>
Subject: Re: ports/145769: final link of mail/fetchmail fails libhx509.so
 undefined reference to MD2_Init etc
Date: Fri, 25 Jun 2010 13:26:50 +0200

 Andrew Reilly wrote on 2010-06-25:
 
 > Who knows how dynamic linking works?  I don't but I've tracked down the  
 > fact that the symbols missing from libhx509.so (MD2_Init etc) *are*  
 > defined by /lib/libcrypto.so, but libhx509.so doesn't show that  
 > dependency when you run ldd on it.  I'm afraid that I don't know how to  
 > change that situation, but I believe that it would make a difference to  
 > those builds.
 
 Either it's an ELF field that gets listed as "NEEDED" with readelf -d  
 libhx509.so,
 or it's the <dlfcn.h> stuff with dlopen(3), dlclose(3), dlerror(3) and  
 dlsym(3).
 
 -- 
 Matthias Andree