On Thu, 2017-10-05 at 17:46 +0100, Emil Velikov wrote: > On 5 October 2017 at 17:28, Jan Vesely <jan.ves...@rutgers.edu> wrote: > > On Thu, 2017-10-05 at 11:19 +0100, Emil Velikov wrote: > > > From: Emil Velikov <emil.veli...@collabora.com> > > > > > > Otherwise we error out at link stage as follows: > > > > > > /usr/lib/llvm-3.9/lib/libLLVMAMDGPUCodeGen.a(R600OptimizeVectorRegisters.cpp.o): > > > unrecognized relocation (0x2a) in section > > > `.text._ZNK12_GLOBAL__N_119R600VectorRegMerger16getAnalysisUsageERN4llvm13AnalysisUsageE' > > > /usr/bin/ld: final link failed: Bad value > > > > > > Cc: mesa-sta...@lists.freedesktop.org > > > Cc: Jan Vesely <jan.ves...@rutgers.edu > > > Signed-off-by: Emil Velikov <emil.veli...@collabora.com> > > > --- > > > Suspecting that there are due to LLVM/Clang itself being built with the > > > newer version. Something like that seems to be mentioned below. > > > AKA packaging bug or we're using the wrong package ;-) > > > > > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=808205 > > > > > > AFAICT it has nothing to do with linking against libclang.so > > > > it does, in a way that linking to dynamic library does not hit this > > issue. > > > > Right, that's how to bypass. I'm thinking about the root cause ;-) > > > > > > > Jan any reason you opted to address only one of the LLVM 3.9 builds? > > > Should we bother with the rest, set it globally, other? > > > > the other builds did not need it. I only hit it when linking to static > > clang libraries (for whatever reason it decided to use static > > libraries). I assume you started hitting this when you switched > > enable_llvm_shared_libs off by default? > > > > Yes, anything LLVM (project) related that is static linked exhibits the > problem. > > Issue is restricted to 3.9, so I seriously suspect something fishy in > the code or package.
I think your suspicion that they used binutils 2.26 when building the package is reasonable. I don't know much about packaging, let alone ubuntu packaging so I can't really add much here. sorry. Jan > > -Emil
signature.asc
Description: This is a digitally signed message part
_______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
