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https://github.com/archlinuxarm/PKGBUILDs.git
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76 lines
2.1 KiB
Diff
76 lines
2.1 KiB
Diff
Forwarded: https://github.com/MariaDB/server/pull/1716
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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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Original commit:
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Detect whether libatomic is needed rather than hard-coding for mips
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Fixes FTBFS on powerpc, since it needs libatomic too for C11 atomics,
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and possibly m68k.
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Contributors:
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James Cowgill <jcowgill@debian.org>
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Jessica Clarke <jrtc27@debian.org>
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--- a/configure.cmake
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+++ b/configure.cmake
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@@ -865,7 +865,25 @@ 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 ${OLD_CMAKE_REQUIRED_LIBRARIES})
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+ENDIF()
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IF(WITH_VALGRIND)
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SET(HAVE_valgrind 1)
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--- a/mysys/CMakeLists.txt
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+++ b/mysys/CMakeLists.txt
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@@ -168,6 +168,10 @@ TARGET_LINK_LIBRARIES(mysys dbug strings
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${LIBNSL} ${LIBM} ${LIBRT} ${CMAKE_DL_LIBS} ${LIBSOCKET} ${LIBEXECINFO})
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DTRACE_INSTRUMENT(mysys)
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+IF (HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
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+ TARGET_LINK_LIBRARIES(mysys atomic)
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+ENDIF()
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+
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IF(HAVE_BFD_H)
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TARGET_LINK_LIBRARIES(mysys bfd)
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ENDIF(HAVE_BFD_H)
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--- a/sql/CMakeLists.txt
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+++ b/sql/CMakeLists.txt
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@@ -318,6 +318,10 @@ IF(WITH_MYSQLD_LDFLAGS)
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"${MYSQLD_LINK_FLAGS} ${WITH_MYSQLD_LDFLAGS}")
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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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FIND_PACKAGE(BISON 2.0)
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