84 lines
2.6 KiB
Diff
84 lines
2.6 KiB
Diff
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https://github.com/MariaDB/server/commit/f502ccbcb5dfce29067434885a23db8d1bd5f134.patch
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This was apparently merged in 10.8.2.
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From f502ccbcb5dfce29067434885a23db8d1bd5f134 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Vicen=C8=9Biu=20Ciorbaru?= <cvicentiu@gmail.com>
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Date: Fri, 15 Oct 2021 16:51:05 +0300
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Subject: [PATCH] Link with libatomic to enable C11 atomics support
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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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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Contributors:
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James Cowgill <jcowgill@debian.org>
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Jessica Clarke <jrtc27@debian.org>
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Vicențiu Ciorbaru <vicentiu@mariadb.org>
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---
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configure.cmake | 20 +++++++++++++++++++-
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mysys/CMakeLists.txt | 4 ++++
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sql/CMakeLists.txt | 1 -
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3 files changed, 23 insertions(+), 2 deletions(-)
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diff --git a/configure.cmake b/configure.cmake
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index 7a1369d77703f..db8742bb93b5a 100644
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--- a/configure.cmake
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+++ b/configure.cmake
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@@ -895,7 +895,25 @@ 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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diff --git a/mysys/CMakeLists.txt b/mysys/CMakeLists.txt
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index f97e3b4d3904c..09d3f726ffc74 100644
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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 ${ZLIB_LIBRARY}
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${LIBNSL} ${LIBM} ${LIBRT} ${CMAKE_DL_LIBS} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_LIBRARY})
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DTRACE_INSTRUMENT(mysys)
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+IF (HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC)
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+ TARGET_LINK_LIBRARIES(mysys atomic)
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+ENDIF()
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+
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IF(HAVE_BFD_H)
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TARGET_LINK_LIBRARIES(mysys bfd)
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ENDIF(HAVE_BFD_H)
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diff --git a/sql/CMakeLists.txt b/sql/CMakeLists.txt
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index 5f5d7daf1a5bc..f574f1f20295d 100644
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--- a/sql/CMakeLists.txt
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+++ b/sql/CMakeLists.txt
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@@ -307,7 +307,6 @@ IF(WITH_MYSQLD_LDFLAGS)
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"${MYSQLD_LINK_FLAGS} ${WITH_MYSQLD_LDFLAGS}")
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ENDIF()
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-
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FIND_PACKAGE(BISON 2.0)
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