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  1. Couchbase Server
  2. MB-54288

Linker warning on macOS (different visibility settings)

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Details

    • Bug
    • Resolution: Unresolved
    • Minor
    • Morpheus
    • master
    • couchbase-bucket
    • None
    • Untriaged
    • 1
    • Unknown

    Description

      The following linker warning gets emitted while building on MacOSX:

      [617/839] Linking CXX executable kv_engine/ep-engine_couch-fs-stats_test
      ld: warning: direct access in function 'testing::internal::ThreadLocal<testing::Sequence*>::ValueHolder* testing::internal::CheckedDowncastToActualType<testing::internal::ThreadLocal<testing::Sequence*>::ValueHolder, testing::internal::ThreadLocalValueHolderBase>(testing::internal::ThreadLocalValueHolderBase*)' from file 'kv_engine/engines/ep/tests/CMakeFiles/ep-engine_couch-fs-stats_test.dir/module_tests/couch-fs-stats_test.cc.o' to global weak symbol 'typeinfo for testing::internal::ThreadLocalValueHolderBase' from file 'tlm/deps/googletest.exploded/lib/libgtest.a(gtest-all.cc.o)' means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
      [755/839] Linking CXX executable kv_engine/memcached_statistics_test
      ld: warning: direct access in function 'testing::internal::ThreadLocal<testing::Sequence*>::ValueHolder* testing::internal::CheckedDowncastToActualType<testing::internal::ThreadLocal<testing::Sequence*>::ValueHolder, testing::internal::ThreadLocalValueHolderBase>(testing::internal::ThreadLocalValueHolderBase*)' from file 'kv_engine/tests/statistics/CMakeFiles/memcached_statistics_test.dir/collector_test.cc.o' to global weak symbol 'typeinfo for testing::internal::ThreadLocalValueHolderBase' from file 'tlm/deps/googletest.exploded/lib/libgtest.a(gtest-all.cc.o)' means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.
      

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            owend Daniel Owen
            trond Trond Norbye
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              Updated:

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