CMakeLists.txt

cmake_minimum_required(VERSION 3.20)

project(LULESH CXX)
option(WITH_SILO   "Build LULESH with silo support" FALSE)

if (WITH_SILO)
  find_path(SILO_INCLUDE_DIR silo.h
    HINTS ${SILO_DIR}/include)
  find_library(SILO_LIBRARY
    NAMES siloh5
    HINTS ${SILO_DIR}/lib)

  include(FindPackageHandleStandardArgs)
  find_package_handle_standard_args(SILO DEFAULT_MSG
    SILO_LIBRARY
    SILO_INCLUDE_DIR)

  if (SILO_FOUND)
    add_definitions("-DVIZ_MESH")
    include_directories(${SILO_INCLUDE_DIR})
    #   Note: silo needs to be built as a dynamic lib, otherwise 
    # there are additional dependencies (hdf5) which we don't know.
    # This would be fixed by silo providing a CMake package.
    list(APPEND LULESH_EXTERNAL_LIBS ${SILO_LIBRARY})
  endif()
endif()

find_package(HPX REQUIRED)
find_package(Threads)

set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -march=znver1 -mtune=znver1 -mfma -mavx2 -m3dnow -fomit-frame-pointer")

set(LULESH_SOURCES
  lulesh-init.cc
  lulesh-util.cc
  lulesh-viz.cc
  lulesh.cc)

set(LULESH_EXEC lulesh-hpx)

add_executable(${LULESH_EXEC} ${LULESH_SOURCES})
target_link_libraries(${LULESH_EXEC} HPX::hpx HPX::wrap_main HPX::iostreams_component ${CMAKE_THREAD_LIBS_INIT})