[Bug 2016471] Re: eztrace FTBFS with LTO

[Steve Langasek]

Looking more closely, there's no relocation for this symbol because the symbol isn't present at all.
$ objdump -T ./build-llvm/runtimes/runtimes-bins/openmp/runtime/src/libomp.so.5 | grep -i ompt
$

I'm not sure if this is a result of a deliberate change in the llvm
implementation, but it certainly doesn't help to build with -Bno-
symbolic if the symbol doesn't exist.

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https://bugs.launchpad.net/bugs/2016471

Title:
  eztrace FTBFS with LTO

Status in eztrace package in Ubuntu:
  In Progress
Status in llvm-defaults package in Ubuntu:
  New
Status in llvm-toolchain-15 package in Ubuntu:
  Triaged
Status in lto-disabled-list package in Ubuntu:
  Fix Released
Status in eztrace source package in Mantic:
  In Progress
Status in llvm-defaults source package in Mantic:
  New
Status in llvm-toolchain-15 source package in Mantic:
  Triaged
Status in lto-disabled-list source package in Mantic:
  Fix Released

Bug description:
  eztrace 2.0+repack-11 FTBFS due to mpich test failure when built with
  LTO enabled.

  The following tests FAILED:
  	  3 - mpi_tests (Failed)
  	  5 - memory_tests (Failed)
  	 10 - openmp_tests (Failed)
  	 12 - pthread_tests (Failed)
  	 15 - posixio_tests (Failed)
  Errors while running CTest
  make[2]: *** [Makefile:74: test] Error 8
  make[2]: Leaving directory '/<<PKGBUILDDIR>>/build-mpich'

  The mpich tests pass after disaling LTO, however then the ompt tests
  still fail.

  The following tests FAILED:
  	  5 - ompt_tests (Failed)
  Errors while running CTest
  make[2]: *** [Makefile:74: test] Error 8
  make[2]: Leaving directory '/<<PKGBUILDDIR>>/build-ompt'

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