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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()
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()
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