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@@ -149,7 +149,7 @@ macro(_test_compiler_hidden_visibility)
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# Exclude XL here because it misinterprets -fvisibility=hidden even though
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# the check_cxx_compiler_flag passes
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# http://www.cdash.org/CDash/testDetails.php?test=109109951&build=1419259
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- if (NOT GCC_TOO_OLD AND NOT WIN32 AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES XL)
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+ if (NOT GCC_TOO_OLD AND NOT WIN32 AND NOT CYGWIN AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES XL)
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check_cxx_compiler_flag(-fvisibility=hidden COMPILER_HAS_HIDDEN_VISIBILITY)
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check_cxx_compiler_flag(-fvisibility-inlines-hidden COMPILER_HAS_HIDDEN_INLINE_VISIBILITY)
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option(USE_COMPILER_HIDDEN_VISIBILITY "Use HIDDEN visibility support if available." ON)
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Stephen Kelly