Date: Thu, 28 Dec 2017 18:22:58 +0100 From: Jan Beich <jbeich@FreeBSD.org> To: Tijl Coosemans <tijl@FreeBSD.org> Cc: Alexey Dokuchaev <danfe@FreeBSD.org>, Yuri <yuri@freebsd.org>, svn-ports-head@freebsd.org, svn-ports-all@freebsd.org, ports-committers@freebsd.org Subject: Re: svn commit: r457438 - head/devel/ispc Message-ID: <r2re-937x-wny@FreeBSD.org> In-Reply-To: <20171228175548.1cce8ada@kalimero.tijl.coosemans.org> (Tijl Coosemans's message of "Thu, 28 Dec 2017 17:55:48 %2B0100") References: <201712280506.vBS56ZSj011894@repo.freebsd.org> <20171228071400.GA42910@FreeBSD.org> <a5b19d77-4a12-b11f-98aa-ffc94a6037e6@freebsd.org> <20171228133631.GB61460@FreeBSD.org> <20171228164809.GA33755@FreeBSD.org> <20171228175548.1cce8ada@kalimero.tijl.coosemans.org>
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Tijl Coosemans <tijl@FreeBSD.org> writes: > On Thu, 28 Dec 2017 16:48:09 +0000 Alexey Dokuchaev <danfe@FreeBSD.org> wrote: > >> On Thu, Dec 28, 2017 at 01:36:31PM +0000, Alexey Dokuchaev wrote: >>> On Thu, Dec 28, 2017 at 01:29:20AM -0800, Yuri wrote: >>>> On 12/27/17 23:14, Alexey Dokuchaev wrote: >>>>> But just couple of days ago X.org/Mesa had switched to 5.0, and >>>>> I'm not sure what to do about this yet. >>>> >>>> Please feel free to further update ISPC's clang dependency if you feel >>>> this is needed for embree. >>> >>> Yes, that's probably the most straight way forward. I'm now (re)building >>> all the ports involved (that might take some time on my slow hardware) to >>> verify that CLANG_VERSION=50 does not cause regressions (vs. 40). >> >> We have a problem building `devel/ispc' againt LLVM 5.0: >> ... >> /usr/local/llvm50/lib/libLLVMSupport.a(Signals.cpp.o): In function >> `llvm::sys::PrintStackTrace(llvm::raw_ostream&)': >> /work/a/ports/devel/llvm50/work/llvm-5.0.0.src/lib/Support/Signals.cpp:(.text+0x20e0): >> undefined reference to `backtrace' >> clang-5.0: error: linker command failed with exit code 1 (use -v to seeinvocation) >> >> It builds fine against LLVM 4.0. Anyone got ideas (I'm too drunk to debug >> this myself now) how do we proceed from here? > > "backtrace" is provided by libexecinfo. Maybe related to https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223191#c3 llvm-config50 is broken in more ways than one. ;(
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