Date: Tue, 28 Oct 2008 10:18:10 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: "M. Warner Losh" <imp@bsdimp.com> Cc: pisymbol@gmail.com, freebsd-hackers@freebsd.org, olli@lurza.secnetix.de, freebsd-questions@freebsd.org, wojtek@wojtek.tensor.gdynia.pl Subject: Re: Why does adding /usr/lib32 to LD_LIBRARY_PATH break 64-bit ?binaries? Message-ID: <200810281018.18786.doconnor@gsoft.com.au> In-Reply-To: <20081027.090116.-1827344390.imp@bsdimp.com> References: <freebsd-hackers.79409.1224892331.200810250958.15130.doconnor@gsoft.com.au> <200810271411.m9REB6te015188@lurza.secnetix.de> <20081027.090116.-1827344390.imp@bsdimp.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--nextPart6193595.7Yc4fJACZC Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tuesday 28 October 2008 01:31:16 M. Warner Losh wrote: > In message: <200810271411.m9REB6te015188@lurza.secnetix.de> > > Oliver Fromme <olli@lurza.secnetix.de> writes: > : Daniel O'Connor wrote: > : > On Friday 24 October 2008 23:20:59 Peter Jeremy wrote: > : > > > this will make system trying to bind 32-bit libs to 64-bit > : > > > program. it can't work > : > > > : > > rtld shouldn't attempt to bind 32-bit libs to 64-bit programs. > : > > : > The same problem happens with the Linux run time linker - it merrily > : > tries to link FreeBSD libraries to Linux binaries with predictable > : > results.. > : > : You *can* link Linux libraries with FreeBSD binaries (and > : vice versa), if the library does not perform any syscalls, > : e.g. it is a pure computation library or similar. > : > : > That said it would be really nice if it ignored incompatible librari= es > : > :) > : > : No. Please don't put such pseudo-cleverness into rtld. > : It wouldn't be an improvement, in fact it might break some > : working configurations. > > Yes. I have a bunch of printer drivers that I've used that link in > linux shared libraries... They are in ports... Good point.. The problem is really the Linux linker - it will find a FreeBSD library and= =20 try and use it ahead of a Linux one later in the search path - this prevent= s=20 stuff working :) I have this exact problem with libfontconfig and Xilinx ISE. Perhaps instead of ignore, use last.. But then it doesn't really matter for= =20 the FreeBSD linker - I imagine I would have to convince Linux folks it's a= =20 good idea. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart6193595.7Yc4fJACZC Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBJBlNC5ZPcIHs/zowRAq5HAJ4tagADbGaxFu1WvSKYl9pZcsFs4gCgmwNv tDsw/tZ5vB0itN7IneoRVLw= =YXsF -----END PGP SIGNATURE----- --nextPart6193595.7Yc4fJACZC--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200810281018.18786.doconnor>