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# Packages are optional: if they are not present, certain code samples are not compiled
cmake_minimum_required(VERSION 2.8.10 FATAL_ERROR)
find_package(MPI) # Built-in in CMake
find_package(Boost 1.58)
include(${CMAKE_CURRENT_SOURCE_DIR}/../cmake/common.cmake)
# ==================================================================================================
if ("${DWARF_PREFIX}" STREQUAL "")
set(DWARF_PREFIX 4_nbody)
endif()
set(NAME ${DWARF_PREFIX}_bhtree_mpi)
if (MPI_FOUND AND Boost_FOUND)
include_directories(${MPI_INCLUDE_PATH} ${Boost_INCLUDE_DIR} src/datastructures src/simulation)
add_executable(${NAME} src/mpimain.cpp src/datastructures/Box.cpp src/datastructures/Body.cpp src/datastructures/BarnesHutTree.cpp src/datastructures/Tree.cpp src/datastructures/Node.cpp src/simulation/Simulation.cpp src/simulation/MpiSimulation.cpp)
set(CMAKE_BUILD_TYPE RelWithDebInfo)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Wall -Wextra")
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Weverything -Wno-padded -Wno-c++98-compat -Wno-c++98-compat-pedantic")
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -xHost -std=c++14 -Wall")
set_target_properties(${NAME} PROPERTIES CXX_STANDARD 14 CXX_STANDARD_REQUIRED YES)
target_link_libraries(${NAME} ${MPI_LIBRARIES} ${Boost_LIBRARIES} )
install(TARGETS ${NAME} DESTINATION bin)
message("** Enabling '${NAME}': with with MPI and Boost")
message("## Skipping '${NAME}': MPI or Boost support missing")
# dummy_install(${NAME} "MPI")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_FLAGS}")
unset(NAME)
# ==================================================================================================