[all-commits] [llvm/llvm-project] 89a0f4: [libomptarget][cuda] Detect missing symbols in plu...

[Jon Chesterfield via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 89a0f48c58f82262c7ce2b9ca51ffad0ffc559ea
      https://github.com/llvm/llvm-project/commit/89a0f48c58f82262c7ce2b9ca51ffad0ffc559ea
  Author: Jon Chesterfield <jonathanchesterfield at gmail.com>
  Date:   2020-11-27 (Fri, 27 Nov 2020)

  Changed paths:
    M openmp/libomptarget/plugins/cuda/CMakeLists.txt

  Log Message:
  -----------
  [libomptarget][cuda] Detect missing symbols in plugin at build time

[libomptarget][cuda] Detect missing symbols in plugin at build time

Passes -z,defs to the linker. Error on unresolved symbol references.

Otherwise, those unresolved symbols present as target code running on the host
as the plugin fails to load. This is significantly harder to debug than a link
time error. Flag matches that passed by amdgcn and ve plugins.

Reviewed By: tianshilei1992

Differential Revision: https://reviews.llvm.org/D92143