CMakeLists.txt

cmake_minimum_required(VERSION 3.22)
project(DISTOPIA LANGUAGES C CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

if (${BUILD_PYTHON})
    find_package(PythonExtensions REQUIRED)
    find_package(Cython REQUIRED)
    find_package(NumPy REQUIRED)
    include_directories(${NumPy_INCLUDE_DIRS})
endif ()
include_directories(${PROJECT_SOURCE_DIR}/libdistopia/include)

# setup an option for using external HWY
option(DISTOPIA_USE_EXTERNAL_HWY "Use external HWY" OFF)
option(DISTOPIA_BUILD_TESTS "Build tests" ON)

# use, i.e. don't skip the full RPATH for the build tree
set(CMAKE_SKIP_BUILD_RPATH FALSE)

# use RPATH on MACOS
set(CMAKE_MACOSX_RPATH ON)

# when building, don't use the install RPATH already
# (but later on when installing)
set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)

set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/distopia")

# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

# the RPATH to be used when installing, but only if it's not a system directory
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/distopia" isSystemDir)
if("${isSystemDir}" STREQUAL "-1")
    set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/distopia")
endif("${isSystemDir}" STREQUAL "-1")

# distopia c++ library
add_subdirectory(libdistopia)
# python layer
if (${BUILD_PYTHON})
    add_subdirectory(distopia)
endif ()