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-rw-r--r--cmake/numa.cmake53
1 files changed, 53 insertions, 0 deletions
diff --git a/cmake/numa.cmake b/cmake/numa.cmake
new file mode 100644
index 00000000..0ccb560d
--- /dev/null
+++ b/cmake/numa.cmake
@@ -0,0 +1,53 @@
+MACRO (MYSQL_CHECK_NUMA)
+
+ STRING(TOLOWER "${WITH_NUMA}" WITH_NUMA_LOWERCASE)
+
+ IF(NOT WITH_NUMA)
+ MESSAGE_ONCE(numa "WITH_NUMA=OFF: NUMA memory allocation policy disabled")
+
+ ELSEIF(NOT WITH_NUMA_LOWERCASE STREQUAL "auto" AND NOT WITH_NUMA_LOWERCASE STREQUAL "on")
+ MESSAGE(FATAL_ERROR "Wrong value for WITH_NUMA")
+
+ ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Linux")
+ CHECK_INCLUDE_FILES(numa.h HAVE_NUMA_H)
+ CHECK_INCLUDE_FILES(numaif.h HAVE_NUMAIF_H)
+
+ IF(HAVE_NUMA_H AND HAVE_NUMAIF_H)
+ SET(SAVE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
+ SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} numa)
+ CHECK_C_SOURCE_COMPILES(
+ "
+ #include <numa.h>
+ #include <numaif.h>
+ int main()
+ {
+ struct bitmask *all_nodes= numa_all_nodes_ptr;
+ set_mempolicy(MPOL_DEFAULT, 0, 0);
+ return all_nodes != NULL;
+ }"
+ HAVE_LIBNUMA)
+ SET(CMAKE_REQUIRED_LIBRARIES ${SAVE_CMAKE_REQUIRED_LIBRARIES})
+ IF(HAVE_LIBNUMA)
+ ADD_DEFINITIONS(-DHAVE_LIBNUMA=1)
+ SET(NUMA_LIBRARY "numa")
+ ENDIF()
+ ENDIF()
+
+ ADD_FEATURE_INFO(NUMA HAVE_LIBNUMA "NUMA memory allocation policy")
+ IF(WITH_NUMA_LOWERCASE STREQUAL "auto" AND HAVE_LIBNUMA)
+ MESSAGE_ONCE(numa "WITH_NUMA=AUTO: NUMA memory allocation policy enabled")
+ ELSEIF(WITH_NUMA_LOWERCASE STREQUAL "auto" AND NOT HAVE_LIBNUMA)
+ MESSAGE_ONCE(numa "WITH_NUMA=AUTO: NUMA memory allocation policy disabled")
+ ELSEIF(HAVE_LIBNUMA)
+ MESSAGE_ONCE(numa "WITH_NUMA=ON: NUMA memory allocation policy enabled")
+ ELSE()
+ # Forget it in cache, abort the build.
+ UNSET(WITH_NUMA CACHE)
+ UNSET(NUMA_LIBRARY CACHE)
+ MESSAGE(FATAL_ERROR "WITH_NUMA=ON: Could not find NUMA headers/libraries")
+ ENDIF()
+
+ ENDIF()
+
+ENDMACRO()
+