[LLVMdev] C++0x Bug in CMake?

[Chandler Carruth]

Awesome, I'm glad that was the underlying issue!


On Tue, Jan 21, 2014 at 10:43 AM, Dmitri Gribenko <gribozavr at gmail.com>wrote:

> On Tue, Jan 21, 2014 at 8:24 PM, Chandler Carruth <chandlerc at google.com>
> wrote:
> >
> > On Tue, Jan 21, 2014 at 10:20 AM, Dmitri Gribenko <gribozavr at gmail.com>
> > wrote:
> >>
> >> On Tue, Jan 21, 2014 at 8:03 PM, Renato Golin <renato.golin at linaro.org>
> >> wrote:
> >> > Chandler,
> >> >
> >> > I may be doing this wrong, but I'm getting a weird error in building
> >> > LLVM
> >> > with Clang via CMake.
> >>
> >> I have been debugging a similar issue that I isolated to r199484.  The
> >> issue surfaces for me as:
> >>
> >> /opt/centos/devtoolset-1.1/root/usr/bin/ld:
> >> ../../lib/libLLVMAArch64CodeGen.a(AArch64AsmPrinter.cpp.o): relocation
> >> R_X86_64_32 against `.rodata..L.str5' can not be used when making a
> >> shared object; recompile with -fPIC
> >> ../../lib/libLLVMAArch64CodeGen.a: could not read symbols: Bad value
> >> clang-3.4: error: linker command failed with exit code 1 (use -v to
> >> see invocation)
> >> [ 95%] make[2]: *** [lib/libLTO.so] Error 1
> >>
> >> The same can be seen on some of our bulidbots (those that use Clang and
> >> CMake).
> >
> >
> > This *could* be the same thing I suppose... If my fix actually helps,
> please
> > let me know. But I don't completely see how this particular error
> happens so
> > I'll be intrigued.
>
> Your fix changed clang_fast bulidbots back to green, thank you!
>
> Dmitri
>
> --
> main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
> (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
>
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