svn commit: r250659 - in head: . share/mk tools/build/options tools/tools/makeroot
Andreas Tobler
andreast at FreeBSD.org
Thu May 16 22:24:36 UTC 2013
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.
Andreas
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