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fdda9ff98b
Update to the latest stable version. Also contains minor Makefile polishing - better source RL and correctly formatted license. Signed-off-by: Michal Hrusecky <michal.hrusecky@turris.com>
65 lines
1.8 KiB
Diff
65 lines
1.8 KiB
Diff
Author: Vicențiu Ciorbaru <vicentiu@mariadb.org>
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Date: Fri Dec 21 19:14:04 2018 +0200
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Link with libatomic to enable C11 atomics support
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Some architectures (mips) require libatomic to support proper
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atomic operations. Check first if support is available without
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linking, otherwise use the library.
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--- a/configure.cmake
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+++ b/configure.cmake
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@@ -866,7 +866,25 @@ int main()
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long long int *ptr= &var;
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return (int)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
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}"
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-HAVE_GCC_C11_ATOMICS)
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+HAVE_GCC_C11_ATOMICS_WITHOUT_LIBATOMIC)
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+IF (HAVE_GCC_C11_ATOMICS_WITHOUT_LIBATOMIC)
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+ SET(HAVE_GCC_C11_ATOMICS True)
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+ELSE()
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+ SET(OLD_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
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+ LIST(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
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+ CHECK_CXX_SOURCE_COMPILES("
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+ int main()
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+ {
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+ long long int var= 1;
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+ long long int *ptr= &var;
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+ return (int)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
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+ }"
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+ HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
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+ IF(HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
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+ SET(HAVE_GCC_C11_ATOMICS True)
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+ ENDIF()
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+ SET(CMAKE_REQUIRED_LIBRARIES ${OLD_CMAKE_REQUIRED_LIBRARIES})
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+ENDIF()
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IF(WITH_VALGRIND)
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SET(HAVE_valgrind 1)
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--- a/mysys/CMakeLists.txt
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+++ b/mysys/CMakeLists.txt
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@@ -78,6 +78,10 @@ TARGET_LINK_LIBRARIES(mysys dbug strings
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${LIBNSL} ${LIBM} ${LIBRT} ${CMAKE_DL_LIBS} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_LIBRARY})
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DTRACE_INSTRUMENT(mysys)
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+IF (HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
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+ TARGET_LINK_LIBRARIES(mysys atomic)
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+ENDIF()
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+
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IF(HAVE_BFD_H)
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TARGET_LINK_LIBRARIES(mysys bfd)
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ENDIF(HAVE_BFD_H)
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--- a/sql/CMakeLists.txt
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+++ b/sql/CMakeLists.txt
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@@ -191,6 +191,10 @@ ELSE()
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SET(MYSQLD_SOURCE main.cc ${DTRACE_PROBES_ALL})
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ENDIF()
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+IF (HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
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+ TARGET_LINK_LIBRARIES(sql atomic)
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+ENDIF()
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+
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IF(MSVC AND NOT WITHOUT_DYNAMIC_PLUGINS)
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