Date: Sun, 1 Mar 1998 16:40:43 +1030 From: Greg Lehey <grog@lemis.com> To: Studded <Studded@san.rr.com>, hbram@hab-software.de Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Compatibility between freeBSD versions Message-ID: <19980301164043.59929@freebie.lemis.com> In-Reply-To: <34F8F7D9.5C7D1BD4@san.rr.com>; from Studded on Sat, Feb 28, 1998 at 09:53:29PM -0800 References: <34F96EFC.3D3C@hab-software.de> <34F8F7D9.5C7D1BD4@san.rr.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 28 February 1998 at 21:53:29 -0800, Studded wrote: > Hendrik A. Bramhoff wrote: >> >> Dear freeBSD team, >> >> in connection with a web software project I urgently need to find >> out whether code which runs on one release of freeBSD will run without >> recompilation on an earlier release. > > Since you said your need was urgent, I'll give you the answer I am > pretty sure is correct in spite of not being an actual member of the > Freebsd team. While binaries compiled on older versions of the OS should > work on newer versions with a great degree of reliability, differences > in the versions of the standard C libraries that newer binaries are > compiled against (and other differences, especially in binaries like > top) will sometimes prevent them from running on older systems. This > problem is compounded as the time between the age of the system and > binaries increases. Library differences aren't usually the problem. The real killer are new system calls which the older kernels don't know about. Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19980301164043.59929>