Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: llvm-toolchain-3.8 (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1709399

Title:
  LLVM symbols should be versioned to avoid crashing applications that
  load mesa's swrast and also use a different libLLVM

Status in llvm-toolchain-3.8 package in Ubuntu:
  Confirmed

Bug description:
  The libgl1-mesa-dri-lts-xenial package depend on libLLVM-3.8.so.1 from
  the libllvm3.8v4 package; this library gets used when using software
  OpenGL rendering on a remote display. As a result, applications based
  on Qt5 that also use libLLVM features provided by another (newer) LLVM
  version will crash when invoked from a remote X terminal.

  Example: KDevelop5 uses libclang (and this libLLVM) for C/C++ parsing;
  I build it to use the LLVM/Clang 4.0 packages from llvm.org (and self-
  built Qt5 and KF5 libraries) and can thus not render to a remote X
  server (XQuartz on my Mac).

  There is an upstream LLVM patch which solves the issue by adding
  versioning info to libLLVM:

  https://bugs.kde.org/show_bug.cgi?id=373614
  https://reviews.llvm.org/D31524

  Please consider backporting this patch to LLVM 3.8 (or rebuilding the
  mesa package to use a (much) more recent LLVM version that already
  contains the patch).

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