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From: "Brad G. Parks" <bparks@homer.acs.bethel.edu>
Date: Thu, 17 Apr 97 10:06:27 -0500
To: questions@freebsd.org
Subject: Compiling 2.2.1 kernel on 2.1.5 system
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I installed the 2.1.5 system from CD months ago and would
now like to build a 2.2.1 kernel.  When I run `make` from
/usr/src/sys/compile/GENERIC I get the following result:

cc -c -x assembler-with-cpp -DLOCORE -nostdinc -I- -I. -I../..  
-I../../../include -DAPM_BROKEN_STATCLOCK -DFAILSAFE -DCOMPAT_43 -DCD9660  
-DMSDOSFS -DNFS -DFFS -DINET -DKERNEL ../../i386/i386/locore.s
../../i386/i386/locore.s: Assembler messages:
../../i386/i386/locore.s:705: Error: bad register name ('%cr4')
../../i386/i386/locore.s:707: Error: bad register name ('%cr4')
*** Error code 1

What am I missing?  Where did I screw up?

-brad