Date: Sat, 2 Apr 2011 16:49:19 -0600 From: Warner Losh <imp@bsdimp.com> To: "Robert N. M. Watson" <rwatson@freebsd.org> Cc: mdf@freebsd.org, Dimitry Andric <dim@freebsd.org>, freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Re: Include file search path Message-ID: <5AF348C8-6AB6-490D-A12E-89A51528F58F@bsdimp.com> In-Reply-To: <F5CE9765-FFF0-439C-9156-51912EEE0C1C@freebsd.org> References: <AANLkTi=BiUVnzsGg83wwWPHjnTDR=XukhJ3UK6Bd5hvF@mail.gmail.com> <4D934AF4.9080503@FreeBSD.org> <BB9CDEF6-5B59-47F3-8873-78D71E39BF3E@bsdimp.com> <alpine.BSF.2.00.1104021925110.67810@fledge.watson.org> <742085CD-7F6F-4879-9FFD-517EC3203D52@bsdimp.com> <F5CE9765-FFF0-439C-9156-51912EEE0C1C@freebsd.org>
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On Apr 2, 2011, at 1:10 PM, Robert N. M. Watson wrote: > On 2 Apr 2011, at 19:47, Warner Losh wrote: > >>> (2) Working clang/LLVM cross-compile of FreeBSD. This seems like a basic >>> requirement to adopt clang/LLVM, and as far as I'm aware that's not yet a >>> resolved issue? >> >> 0 work has been done here to my knowledge. The world view for clang and our in-tree gcc differ which makes it a challenge. > > That's disappointing. I seem to recall it's more an issue of our build integration with clang/LLVM than an underlying issue in clang/LLVM? Yes. The problem isn't hard, the cross compile paradigm is just a little different. >>> We (Cambridge) are currently bringing up FreeBSD on a new soft-core 64-bit MIPS platform. We're already using a non-base gcc for our boot loader work, and plan to move to using clang/LLVM later in the year. The base system seems a bit short on detail when it comes to the above, currently. >> >> Yes. I've had to add about a dozen changes so far to get close to building with xdev compilers. A similar number are needed to make it easy to configure and add systree support, I think. > > Sounds like great progress -- do you think we'll ship 9.0 in a "just works" state with regard to this? I sure hope so. I'd like to have demoable stuff by BSDcan. Warnerhelp
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