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|
--- a/configure.cmake
+++ b/configure.cmake
@@ -135,10 +135,11 @@
IF(NOT LIBRT)
MY_SEARCH_LIBS(clock_gettime rt LIBRT)
ENDIF()
+ MY_SEARCH_LIBS(__atomic_load_8 atomic LIBATOMIC)
FIND_PACKAGE(Threads)
SET(CMAKE_REQUIRED_LIBRARIES
- ${LIBM} ${LIBNSL} ${LIBBIND} ${LIBCRYPT} ${LIBSOCKET} ${LIBDL} ${CMAKE_THREAD_LIBS_INIT} ${LIBRT} ${LIBEXECINFO})
+ ${LIBM} ${LIBNSL} ${LIBBIND} ${LIBCRYPT} ${LIBSOCKET} ${LIBDL} ${LIBATOMIC} ${CMAKE_THREAD_LIBS_INIT} ${LIBRT} ${LIBEXECINFO})
# Need explicit pthread for gcc -fsanitize=address
IF(CMAKE_USE_PTHREADS_INIT AND CMAKE_C_FLAGS MATCHES "-fsanitize=")
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} pthread)
@@ -919,14 +920,26 @@
return 0;
}"
HAVE_GCC_ATOMIC_BUILTINS)
-CHECK_CXX_SOURCE_COMPILES("
+
+SET(MAIN__ATOMIC_LOAD_N "
int main()
{
long long int var= 1;
long long int *ptr= &var;
return (int)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
-}"
-HAVE_GCC_C11_ATOMICS)
+}")
+CHECK_CXX_SOURCE_COMPILES("${MAIN__ATOMIC_LOAD_N}" HAVE_GCC_C11_ATOMICS)
+IF(HAVE_GCC_C11_ATOMICS AND HAVE_LIBATOMIC)
+ SET(SAVE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
+ LIST(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES "${LIBATOMIC}")
+ CHECK_CXX_SOURCE_COMPILES("${MAIN__ATOMIC_LOAD_N}" HAVE_GCC_C11_INLINE_ATOMICS)
+ IF(HAVE_GCC_C11_INLINE_ATOMICS)
+ UNSET(HAVE_LIBATOMIC)
+ UNSET(LIBATOMIC)
+ ELSE()
+ SET(CMAKE_REQUIRED_LIBRARIES ${SAVE_CMAKE_REQUIRED_LIBRARIES})
+ ENDIF()
+ENDIF()
IF(WITH_VALGRIND)
SET(HAVE_valgrind 1)
--- a/mysys/CMakeLists.txt
+++ b/mysys/CMakeLists.txt
@@ -75,7 +75,7 @@
ADD_CONVENIENCE_LIBRARY(mysys ${MYSYS_SOURCES})
TARGET_LINK_LIBRARIES(mysys dbug strings ${ZLIB_LIBRARY}
- ${LIBNSL} ${LIBM} ${LIBRT} ${LIBDL} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_LIBRARY})
+ ${LIBNSL} ${LIBM} ${LIBRT} ${LIBDL} ${LIBATOMIC} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_LIBRARY})
DTRACE_INSTRUMENT(mysys)
IF(HAVE_BFD_H)
--- a/storage/rocksdb/build_rocksdb.cmake
+++ b/storage/rocksdb/build_rocksdb.cmake
@@ -142,7 +142,7 @@
if(WIN32)
set(SYSTEM_LIBS ${SYSTEM_LIBS} Shlwapi.lib Rpcrt4.lib)
else()
- set(SYSTEM_LIBS ${CMAKE_THREAD_LIBS_INIT} ${LIBRT})
+ set(SYSTEM_LIBS ${LIBATOMIC} ${CMAKE_THREAD_LIBS_INIT} ${LIBRT})
endif()
set(ROCKSDB_LIBS rocksdblib})
|
