On Thu, Nov 08, 2007 at 03:47:54PM -0600, Dan Nelson wrote: > In the last episode (Nov 08), John Smith said: > > On Nov 8, 2007 6:59 PM, Yuri Pankov <[EMAIL PROTECTED]> wrote: > > > May be not entirely correct, but close: > > > > > > ldd binary | grep libc.so > > > > Yes, that helps somewhat. At least I now know that it's FreeBSD 4.x. > > And before I again forget something I forgot to mention earlier on: I > > also have a file called 'kernel'. Could that somehow give somewhat > > more detailed information about exactly which 4.x kernel it is, and > > if so, how would I go about doing that ? > > Run "strings /kernel | tail" on it. > > There's also a better way to determine the FreeBSD version an > executable was built for. As long as you didn't build world with -O2, > the "file" command can print it. Note that you will need to run a 5.x > or newer version of file, since even though 4.x puts the version in > each binary, its file command doesn't print it. > > $ file /bin/ls > /bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD), for > FreeBSD 7.0 (700052), dynamically linked (uses shared libs), FreeBSD-style, > stripped > $ file /mnt/oldsystem/bin/ls > /mnt/oldsystem/bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1, for > FreeBSD 4.2, statically linked, stripped > > If you like building with -O2, apply the patch in PR 101590.
Interesting. Does 6.2/amd64 build with -O2 by default? $ file /bin/ls /bin/ls: ELF 64-bit LSB executable, AMD x86-64, version 1 (FreeBSD), dynamically linked (uses shared libs), stripped This was after a buildworld with no special options added, and nothing affecting the kernel in make.conf. Erik _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"