CMakeLists.txt

project                     (DIY)
cmake_minimum_required      (VERSION 3.0)

option                      (threads            "Build DIY with threading"                   ON)
option                      (log                "Build DIY with logging"                     OFF)
option                      (profile            "Build DIY with profiling"                   OFF)

# Default to Release
if                          (NOT CMAKE_BUILD_TYPE)
    set                     (CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
    set_property            (CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif                       (NOT CMAKE_BUILD_TYPE)

# Debugging
if                          (${CMAKE_BUILD_TYPE} STREQUAL "Debug" OR
                             ${CMAKE_BUILD_TYPE} STREQUAL "RelWithDebInfo")
    add_definitions         (-DDEBUG)
endif                       ()

# Logging
if                          (log)
    add_definitions         (-DDIY_USE_SPDLOG)
    find_path               (SPDLOG_INCLUDE_DIR     spdlog/spdlog.h)
    include_directories     (${SPDLOG_INCLUDE_DIR})
endif()

# Profiling
if                          (profile)
    add_definitions         (-DDIY_PROFILE)
endif()

# C++11
set                         (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

find_package                (MPI REQUIRED)
set                         (mpi_libraries              ${MPI_C_LIBRARIES} ${MPI_CXX_LIBRARIES})
set                         (libraries ${libraries}     ${mpi_libraries})

if                          (NOT threads)
    add_definitions         (-DDIY_NO_THREADS)
else                        (NOT threads)
    find_package            (Threads)
    set                     (libraries ${libraries}     ${CMAKE_THREAD_LIBS_INIT})
endif                       (NOT threads)

# Set includes
set                         (CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem")
include_directories         (${CMAKE_CURRENT_BINARY_DIR}
                             ${CMAKE_CURRENT_SOURCE_DIR}
                             ${CMAKE_CURRENT_SOURCE_DIR}/include
                             SYSTEM ${MPI_INCLUDE_PATH})

enable_testing              ()
add_subdirectory            (examples)
add_subdirectory            (tests)