diff options
Diffstat (limited to 'cmake/numa.cmake')
| -rw-r--r-- | cmake/numa.cmake | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cmake/numa.cmake b/cmake/numa.cmake new file mode 100644 index 00000000000..4bace0ee7f4 --- /dev/null +++ b/cmake/numa.cmake @@ -0,0 +1,43 @@ +MACRO (MYSQL_CHECK_NUMA) + + IF(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) + OPTION(WITH_NUMA "Explicitly set NUMA memory allocation policy" ON) + ELSE() + OPTION(WITH_NUMA "Explicitly set NUMA memory allocation policy" OFF) + ENDIF() + + IF(WITH_NUMA AND 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() + + IF(WITH_NUMA AND NOT HAVE_LIBNUMA) + # Forget it in cache, abort the build. + UNSET(WITH_NUMA CACHE) + UNSET(NUMA_LIBRARY CACHE) + MESSAGE(FATAL_ERROR "Could not find numa headers/libraries") + ENDIF() + ENDIF() + +ENDMACRO() + |