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Fix compilation problems and unsupported tests when running under QEMU 32-bit PowerPC emulator.
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Authored by mnbvmar on Sep 28 2017, 10:29 AM.
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Summary

This is not yet to be integrated into LLVM.

When LLVM is cross-compiled on x86 for 32-bit PowerPC, some compilation and testing problems arise:

  • Clang ignores the user's CMake flag disallowing it to include libxml2.
  • llvm-lto is not generated; however, some tests depend on this executable without explicitly mentioning this dependence.
  • some tests were already expected to fail on powerpc64-. However, as we cross-compiled for 32-bit PowerPCs, it was necessary to extend the set of failing architectures.

This patch fixes the problems above.

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rL LLVM