[Webkit-unassigned] [Bug 224812] New: gtest.a exports symbols, causing link-time warning: direct access in function ... means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=224812

            Bug ID: 224812
           Summary: gtest.a exports symbols, causing link-time warning:
                    direct access in function ... means the weak symbol
                    cannot be overridden at runtime. This was likely
                    caused by different translation units being compiled
                    with different visibility settings.
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com

gtest.a exports symbols, causing link-time warning: direct access in function ... means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.

ld: warning: direct access in function 'testing::internal::SuiteApiResolver<testing::internal::(anonymous namespace)::FailureTest>::GetSetUpCaseOrSuite(char const*, int)' from file '/Users/kkinnunen/Build/Debug/libgtest.a(gtest-all.o)' to global weak symbol 'testing::Test::SetUpTestSuite()' from file '/Users/kkinnunen/Build/Debug/libTestWTF.a(AtomString.o)' means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.

This is due to gtest.a static library is being compiled with dynamic library settings.
This causes the symbols to be marked as default visibility.
This is being worked around by hiding the symbols explicitly via ld flags
This causes ld warning.

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