"/sys/conf/kmod.mk", line 111: Malformed conditional (${MK_CLANG_IS_CC}

Chris behrnetworks at gmail.com
Mon Apr 16 22:41:46 UTC 2012

On Mon, Apr 16, 2012 at 2:45 AM, Dimitry Andric <dim at freebsd.org> wrote:
> On 2012-04-16 03:03, Chris wrote:
>> I recently updated my system from 8.2-STABLE to 9.0-STABLE and I'm
>> seeing a similar error when trying to build the VirtualBox kernel
>> module:
>> *** Building 'vboxdrv' module ***
>> "/usr/share/mk/bsd.own.mk", line 476: MK_CLANG_IS_CC can't be set by a
>> user.
>> *** Error code 1
>> I tried the tips from all the previous posters with no luck. Any
>> suggestions would greatly be appreciated!
> It looks like this was caused by Maxim Sobolev's workaround here:
>  http://lists.freebsd.org/pipermail/cvs-ports/2012-April/240000.html
> He attempts to set MK_ variables by hand, but that is obviously not
> allowed.
> As has been said before, it is indeed possible to put a workaround for
> compiling with the wrong source directory in bsd.own.mk, but that would
> really help people to shoot themselves in the foot.
> It looks like the virtualbox-ose-kmod port sets a SRC_BASE variable to
> the appropriate source directory, but it should probably also set the
> MAKESYSPATH environment variable to ${SRC_BASE}/share/mk before invoking
> make.
> Note this is still not 100% safe, as you would really need to build
> using a toolchain corresponding to your kernel sources, but it's better
> than nothing.

As a quick-n-dirty workaround, I deleted the three patch files
mentioned in Maxim Sobolev's posting and the port compiles with no
problems. It may be that the version of bsd.own.mk that I have fixes
any compilation issues with clang.

Thanks for the help!


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