svn commit: r250659 - in head: . share/mk tools/build/options tools/tools/makeroot

[Brooks Davis]

On Fri, May 17, 2013 at 12:06:01AM +0200, Andreas Tobler wrote:
> On 15.05.13 16:30, Brooks Davis wrote:
> > Author: brooks
> > Date: Wed May 15 14:30:03 2013
> > New Revision: 250659
> > URL: http://svnweb.freebsd.org/changeset/base/250659
> > 
> > Log:
> >   Add support for an external cross compiler.  The cross compiler is
> >   specified by passing the XCC, XCXX, and XCPP variables (corresponding to
> >   CC, CXX, and CPP) to buildworld/buildkernel.  The compiler must be clang
> >   or be configured to target the appropriate architecture.
> >   
> >   To speed build times, if XCC is an absolute path or
> >   WITHOUT_CROSS_COMPILER is defined then no cross compiler will be built
> >   during the cross-tools stage.
> >   
> >   Limited documentation of this feature can currently be found at:
> >   
> >   https://wiki.freebsd.org/ExternalToolchain
> >   
> >   This functionality should be considered experimental and is subject to
> >   change without notice.
> >   
> >   Sponsored by:	DARPA, AFRL
> >   Discussed with:	imp, sjg
> 
> I had to revert this commit to be able to build world and kernel with
> WITHOUT_CLANG_IS_CC in /etc/src.conf
> 
> It did not find the headers (like math.h) when building the 32-bit part
> on amd64.

I'll need more information to do any useful debugging.  How is the host
configured?  If it's not 100% stock, I need to know what WITH/WITHOUT
options were set to build it.  Are you setting any options other than
WITHOUT_CLANG_IS_CC during this build?

-- Brooks
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