FreeBSD make: don't know how to make buildkernel. Stop Error and Solution

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Q. I’m trying to recompile my kernel by tying the following commands:

cd /usr/src/sys/i386/conf
cp GENERIC NEWKEN
vi NEWKEN
cd /usr/src
make buildkernel KERNCONF=NEWKEN

But I’m bumped with an error that read as follows:

make: don’t know how to make buildkernel. Stop Error and Solution

How do I fix this error?

A. This is well known problem. You need an up to date and complete copy of the FreeBSD source including kernel at /usr/src and /usr/src/sys. To grab latest FreeBSD kernel source use cvsup or sysinstall command.
# sysinstall
Select > Configure > Distributions > Src > Select Base, Sys and all other required source code > Ok > Ok > Select Internet > FTP Main site and install the source code.

Once installed type the following command to compile the kernel:
# cd /usr/src
# make buildkernel KERNCONF=NEWKEN
# make installkernel KERNCONF=NEWKEN
# reboot

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

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7 comment

  1. Salamo Alikom
    even i install the source from sysinstall and make a shortcut link ti /sys ,i still get this error .

  2. make: don’t know how to make bonnie. Stop

    What is dis error about. Why do i get it. Giv me solution for dat…

  3. [root@freebsd /usr/ports/benchmarks/bonnie]# make install bonnie
    make: don’t know how to make bonnie. Stop

    Why do i get dis

  4. su
    cd
    fastest_cvsup -c ru
    ee /root/9rel-supfile
    cat ee /root/9rel-supfile
    Code:
    *default host=cvsup7.ru.freebsd.org
    *default base=/var/db
    *default prefix=/usr
    *default release=cvs tag=RELENG_9_0
    *default delete use-rel-suffix
    *default compress
    src-all
    csup 9rel-supfile
    ..
    ETA: 5 Hours..
    ok.
    uname -a
    FreeBSD estaf.users.trc.local 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64

    cd /usr/src/sys/amd64/conf/
    cp GENERIC ROUTER
    ee ROUTER
    ok

    cd /usr/src/
    pwd
    /usr/src
    ok

    make buldkernel KERNCONF=ROUTER
    make: don’t know how to make buldkernel. Stop

  5. You have a typo in your command, it’s buildkernel not buldkernel

    Another question: Updated from 7.1 to 8.3 successfully, then added sources as described above, but make buildkernel ends up with:

    #:/usr/src> make buildkernel
    make: no system rules (sys.mk).
    *** Error code 2
    
    Stop in /usr/src.
    #:/usr/src> 
    

    What’s going on?

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