HDFS-14033. [libhdfs++] Disable libhdfs++ build on systems that do not support thread_local. Contributed by Anatoli Shein.
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@ -138,7 +138,27 @@ endif()
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add_subdirectory(main/native/libhdfs)
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add_subdirectory(main/native/libhdfs-tests)
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add_subdirectory(main/native/libhdfspp)
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# Temporary fix to disable Libhdfs++ build on older systems that do not support thread_local
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include(CheckCXXSourceCompiles)
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unset (THREAD_LOCAL_SUPPORTED CACHE)
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set (CMAKE_REQUIRED_DEFINITIONS "-std=c++11")
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set (CMAKE_REQUIRED_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
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check_cxx_source_compiles(
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"#include <thread>
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int main(void) {
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thread_local int s;
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return 0;
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}"
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THREAD_LOCAL_SUPPORTED)
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if (THREAD_LOCAL_SUPPORTED)
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add_subdirectory(main/native/libhdfspp)
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else()
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message(WARNING
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"WARNING: Libhdfs++ library was not built because the required feature thread_local storage \
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is not supported by your compiler. Known compilers that support this feature: GCC 4.8+, Visual Studio 2015+, \
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Clang (community version 3.3+), Clang (version for Xcode 8+ and iOS 9+).")
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endif (THREAD_LOCAL_SUPPORTED)
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if(REQUIRE_LIBWEBHDFS)
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add_subdirectory(contrib/libwebhdfs)
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@ -63,8 +63,8 @@ check_cxx_source_compiles(
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if (NOT THREAD_LOCAL_SUPPORTED)
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message(FATAL_ERROR
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"FATAL ERROR: The required feature thread_local storage is not supported by your compiler. \
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Known compilers that support this feature: GCC, Visual Studio, Clang (community version), \
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Clang (version for iOS 9 and later).")
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Known compilers that support this feature: GCC 4.8+, Visual Studio 2015+, Clang (community \
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version 3.3+), Clang (version for Xcode 8+ and iOS 9+).")
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endif (NOT THREAD_LOCAL_SUPPORTED)
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# Check if PROTOC library was compiled with the compatible compiler by trying
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