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if (ENABLE_TBB)
find_package(TBB 4.3)
if (TBB_FOUND)
set(HAVE_INTEL_TBB 1)
message(STATUS "Found TBB: ${TBB_LIBRARIES}")
endif ()
# if user set MADNESS_EXPLOIT_TBB_PRIORITY to ON:
# check if task priorities are supported (albeit deprecated) and whether they need macro __TBB_TASK_PRIORITY to be defined
if (MADNESS_EXPLOIT_TBB_PRIORITY)
cmake_push_check_state()
set(CMAKE_REQUIRED_INCLUDES ${TBB_INCLUDE_DIRS})
if (TBB_USE_DEBUG AND TBB_LIBRARIES_DEBUG)
list(APPEND CMAKE_REQUIRED_DEFINITIONS "${TBB_COMPILE_FLAGS_DEBUG}")
set(CMAKE_REQUIRED_LIBRARIES ${TBB_LIBRARIES_DEBUG})
else ()
set(CMAKE_REQUIRED_LIBRARIES ${TBB_LIBRARIES_RELEASE})
endif ()
set(_tbb_task_priority_compile_check_source "
#include <tbb/task.h>
int main(int argc, char** argv) {
tbb::task* t;
tbb::task::enqueue(*t, tbb::priority_high);
}
")
check_cxx_source_compiles("${_tbb_task_priority_compile_check_source}" MADNESS_CAN_USE_TBB_PRIORITY)
if (MADNESS_CAN_USE_TBB_PRIORITY)
set(MADNESS_CAN_USE_TBB_PRIORITY TRUE CACHE BOOL "Whether MADNESS can control TBB task priorities" FORCE)
else (MADNESS_CAN_USE_TBB_PRIORITY)
list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D__TBB_TASK_PRIORITY=1")
check_cxx_source_compiles("${_tbb_task_priority_compile_check_source}" MADNESS_CAN_USE_TBB_PRIORITY_IF_MACROED_ON)
if (MADNESS_CAN_USE_TBB_PRIORITY_IF_MACROED_ON)
set(MADNESS_CAN_USE_TBB_PRIORITY TRUE CACHE BOOL "Whether MADNESS can control TBB task priorities" FORCE)
list(APPEND TBB_COMPILE_FLAGS "-D__TBB_TASK_PRIORITY=1")
endif (MADNESS_CAN_USE_TBB_PRIORITY_IF_MACROED_ON)
endif (MADNESS_CAN_USE_TBB_PRIORITY)
if (MADNESS_CAN_USE_TBB_PRIORITY)
message(STATUS "TBB task priorities will be enabled")
endif (MADNESS_CAN_USE_TBB_PRIORITY)
cmake_pop_check_state()
endif (MADNESS_EXPLOIT_TBB_PRIORITY)
endif ()
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