Date: Sun, 18 Jul 2004 12:44:23 -0400 (EDT) From: Daniel Eischen <eischen@vigrid.com> To: Robert Watson <rwatson@freebsd.org> Cc: threads@freebsd.org Subject: Re: A way to build and install libpthread as 1:1 as well as M:N? Message-ID: <Pine.GSO.4.10.10407181234540.28820-100000@pcnet5.pcnet.com> In-Reply-To: <Pine.NEB.3.96L.1040718123025.37108b-100000@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 18 Jul 2004, Robert Watson wrote: > > On Sun, 18 Jul 2004, Daniel Eischen wrote: > > > The way to do this so it is switchable without relinking the application > > (and without using libmap.conf) is to use LD_LIBRARY_PATH. You can > > install libpthread built as 1:1 anywhere you like and just set > > LD_LIBRARY_PATH to wherever it is installed. > > > > If you want both 1:1 and M:N versions of libpthread installed by > > default, we have to decide where to install the 1:1 version. I would > > recommend 1:1 go in lib/lwp/libpthread.so.1 and M:N in > > lib/libpthread.so.1. You could change "lwp" to "kse" or something > > else. > > The issue here is my keeping everything in sync and making sure testing is > reproduceable. If I'm manually building and installing threading > libraries, I'm likely to screw it up. I was hoping for a mechanism in > buildworld/installworld so that it all happens automatically, reducing the > chances of user error, stale library versions, etc. Well, like I said, if we can agree on a place to put the 1:1 version and what to call it, we can make it happen. My suggestion is to keep the libraries named the same, install them in different places, and use LD_LIBRARY_PATH to switch between them. Should I just do it, or is more discussion needed? -- Dan Eischen
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.GSO.4.10.10407181234540.28820-100000>