Date: Mon, 22 Nov 2010 11:08:07 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Weihang Wang <weihang@vt.edu> Cc: freebsd-questions@freebsd.org Subject: Re: Got an error: Unknown option "DDB_CTF" Message-ID: <20101122170806.GA58734@dan.emsphone.com> In-Reply-To: <CB053608-596F-4326-81AF-1905DDFABBBC@vt.edu> References: <CB053608-596F-4326-81AF-1905DDFABBBC@vt.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
In the last episode (Nov 22), Weihang Wang said: > I am a totally newbie to FreeBSD. I am building a custom kernel based on > FreeBSD 6.0 kernel (I have to use this version cause I need to run an > application which is only available for FreeBSD 6.0). I conform to the > handbook to add the following lines in kernel configuration file to enable > DTrace support: > > options KDTRACE_FRAME > options KDTRACE_HOOKS > options DDB_CTF > makeoptions WITH_CTF=1 > > Then I use the following commands to recompile my kernel and install this > new kernel: > > make buildkernel KERNCONF=KERNELNAME > make installkernel KERNCONF=KERNELNAME > > The compiling process encounters an error: Unknown option "DDB_CTF", I > have no idea how to fix this? Just remove all references to CTF; that's for Dtrace support, which doesn't exist in the 6.* branch. You might also want to try running your application on FreeBSD 8.1 after installing the misc/compat6x package. Backwards binary compatibility support is very good. -- Dan Nelson dnelson@allantgroup.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20101122170806.GA58734>