cmake_minimum_required(VERSION 3.25)
project(top3d)
option(PROJECT_WITH_SIMD "Enable SIMD" ON)
option(USE_SUITESPARSE "Use SuiteSparse" ON)
set(CMAKE_CXX_STANDARD 17)

list(PREPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_CURRENT_SOURCE_DIR}/cmake/find)

add_executable(${PROJECT_NAME} main.cpp)
File(GLOB CPP_FILES
        src/*.cpp
        )
add_library(${PROJECT_NAME}_lib ${CPP_FILES})
include_directories(${CMAKE_SOURCE_DIR}/src)
target_link_libraries(${PROJECT_NAME} PUBLIC ${PROJECT_NAME}_lib)
## SIMD support
if (PROJECT_WITH_SIMD)
    # Figure out SSE level support
    message(STATUS "Seaching for SSE...")
    find_package(SSE)
    # Apple broke AVX instructions with clang:
    # https://gitlab.com/libeigen/eigen/-/commit/71aa53dd6dfdc497324d9e87f59c4ba820191856
    if (NOT APPLE)
        # Figure out AVX level support
        message(STATUS "Searching for AVX...")
        find_package(AVX)
        # Figure out FMA level support
        message(STATUS "Searching for FMA...")
        find_package(FMA)
    else ()
        message(WARNING "Disabling AVX support: clang compiler shipped with XCode 11.[012] generates broken assembly with -macosx-version-min=10.15 and AVX enabled.")
    endif ()
    # Add SSE, AVX, and FMA flags to compiler flags
    string(REPLACE " " ";" SIMD_FLAGS "${SSE_FLAGS} ${AVX_FLAGS} ${FMA_FLAGS}")
    target_compile_options(${PROJECT_NAME} PUBLIC ${SIMD_FLAGS})
endif ()

# Eigen3
include(eigen)
target_link_libraries(${PROJECT_NAME}_lib PUBLIC Eigen3::Eigen)

# Logger
include(spdlog)
target_link_libraries(${PROJECT_NAME}_lib PUBLIC spdlog::spdlog)

# JSON Parser
include(json)
target_link_libraries(${PROJECT_NAME}_lib PUBLIC nlohmann::json)

# TBB
include(tbb)
target_link_libraries(${PROJECT_NAME}_lib PUBLIC TBB::tbb)

if (USE_SUITESPARSE)
    # SuiteSparse
    find_package(SuiteSparse REQUIRED)
    target_compile_definitions(${PROJECT_NAME} PUBLIC USE_SUITESPARSE)
    target_link_libraries(${PROJECT_NAME}_lib PUBLIC ${SUITESPARSE_LIBRARIES})
    target_include_directories(${PROJECT_NAME}_lib PUBLIC ${SUITESPARSE_INCLUDE_DIRS})
endif ()

# VTK
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
target_link_libraries(${PROJECT_NAME}_lib PUBLIC ${VTK_LIBRARIES})

# MMA
add_subdirectory(3rd/mma)
target_link_libraries(${PROJECT_NAME}_lib PUBLIC mma::mma mma::gcmma)

target_compile_definitions(${PROJECT_NAME}_lib PUBLIC CMAKE_SOURCE_DIR="${CMAKE_SOURCE_DIR}")

target_compile_definitions(${PROJECT_NAME} PUBLIC WRITE_TENSOR)