cmake_minimum_required(VERSION 3.5.1)
project(MLMC)
#---------------------------------------------------------------------------------------#

# Google test (Placed here to not compile it with mpiCC)
add_subdirectory(googletest)
include_directories(${PROJECT_BINARY_DIR}/googletest/googletest/include)
include_directories(${PROJECT_BINARY_DIR}/googlemock/googletest/include)
set(GTEST_LIB gtest gtest_main)
#---------------------------------------------------------------------------------------#

# MPI
find_package(MPI REQUIRED)
include_directories(${MPI_INCLUDE_PATH})

set(CMAKE_C_COMPILER ${MPI_C_COMPILER})
set(CMAKE_CXX_COMPILER ${MPI_CXX_COMPILER})

set(CMAKE_CXX_COMPILE_FLAGS ${CMAKE_CXX_COMPILE_FLAGS} ${MPI_COMPILE_FLAGS})
set(CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS} ${MPI_LINK_FLAGS})

set(CMAKE_BUILD_TYPE distribution)
#set(CMAKE_CXX_FLAGS_DISTRIBUTION "-Ofast")
set(CMAKE_CXX_FLAGS_DISTRIBUTION "-O0")
#set(CMAKE_CXX_FLAGS_DISTRIBUTION "-O1")
#set(CMAKE_CXX_FLAGS_DISTRIBUTION "-O2")
set(CMAKE_CXX_FLAGS "-fPIC -g -Wno-deprecated -std=gnu++11")
#---------------------------------------------------------------------------------------#

# Blas Lapack
#find_package(FFTW3 REQUIRED)   (Can't be found but still seems to link in)
find_package(BLAS REQUIRED)
find_package(LAPACK REQUIRED)
#---------------------------------------------------------------------------------------#

# Manage folder structure build folder
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/data/vtk)
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/data/gp)
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/log)
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/data/dual)
#---------------------------------------------------------------------------------------#

# Include directories
include_directories(${PROJECT_SOURCE_DIR}/mlmc/src)
include_directories(${PROJECT_SOURCE_DIR}/sprng5/include)
include_directories(${PROJECT_SOURCE_DIR}/mpp/src)
#---------------------------------------------------------------------------------------#

# Link libraries
link_directories(${PROJECT_SOURCE_DIR}/sprng5/lib)
link_directories(${PROJECT_SOURCE_DIR}/mpp/superlu/lib)
if (UNIX AND NOT APPLE)
    set(SUPERLU superlu_4.3)
elseif (APPLE)
    set(SUPERLU superlu_4.3_mac10.10)
elseif (WIN32)
    set(SUPERLU superlu_4.3_cygwin)
endif ()
#---------------------------------------------------------------------------------------#

# Subdirectories
add_subdirectory(mpp)
add_subdirectory(mlmc/src)
#---------------------------------------------------------------------------------------#

# Executables
add_executable(MLMC-M++ mlmc/src/Main.C)

# Linking
target_link_libraries(MLMC-M++ MLMC sprng SRC LIB_PS ${SUPERLU} blas lapack fftw3 m)
#---------------------------------------------------------------------------------------#

# Test Executables
#add_executable(TestCirculantEmbedding mlmc/tests/TestCirculantEmbedding.C)
#add_executable(TestRNManager mlmc/tests/TestRNManager.C)

# Linking
#target_link_libraries(TestCirculantEmbedding MLMC sprng SRC SRC_Solver
#       blas lapack ${SUPERLU} fftw3 m ${GTEST_LIB})
#target_link_libraries(TestRNManager MLMC sprng fftw3 m ${GTEST_LIB})
#set(MPI_COMMAND mpirun -np 4 )
#---------------------------------------------------------------------------------------#