CMakeLists.txt

cmake_minimum_required(VERSION 3.12...3.22)

project(GenTorch VERSION 1.0 LANGUAGES CXX)
find_package(Threads REQUIRED)

# Only do these if this is the main project, and not if it is included through add_subdirectory
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)

    # Optionally set things like CMAKE_CXX_STANDARD, CMAKE_POSITION_INDEPENDENT_CODE here
    set(CMAKE_CXX_STANDARD 20)
    set(CMAKE_CXX_STANDARD_REQUIRED True)

    # Let's ensure -std=c++xx instead of -std=g++xx
    set(CMAKE_CXX_EXTENSIONS OFF)

    # Let's nicely support folders in IDEs
    set_property(GLOBAL PROPERTY USE_FOLDERS ON)

    # Testing only available if this is the main app
    # Note this needs to be done in the main CMakeLists
    # since it calls enable_testing, which must be in the
    # main CMakeLists.
    include(CTest)

    # Docs only available if this is the main app
    find_package(Doxygen)
    if(Doxygen_FOUND)
        add_subdirectory(docs)
    else()
        message(STATUS "Doxygen not found, not building docs")
    endif()
endif()


# FetchContent added in CMake 3.11, downloads during the configure step
include(FetchContent)
# FetchContent_MakeAvailable was not added until CMake 3.14; use our shim
#if(${CMAKE_VERSION} VERSION_LESS 3.14)
#    include(cmake/add_FetchContent_MakeAvailable.cmake)
#endif()

find_package(Torch REQUIRED)

# The compiled library code is here
add_subdirectory(src)

# Testing only available if this is the main app
# Emergency override MODERN_CMAKE_BUILD_TESTING provided as well
if((CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME OR GEN_BUILD_TESTING)
        AND BUILD_TESTING)
    add_subdirectory(tests)
endif()


# Examples
add_subdirectory(examples)