cmake_minimum_required(VERSION 3.8)

project(nameof VERSION "0.8.3" LANGUAGES CXX)

if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
    set(IS_TOPLEVEL_PROJECT TRUE)
else()
    set(IS_TOPLEVEL_PROJECT FALSE)
endif()

option(NAMEOF_OPT_BUILD_EXAMPLES "Build nameof examples" ${IS_TOPLEVEL_PROJECT})
option(NAMEOF_OPT_BUILD_TESTS "Build and perform nameof tests" ${IS_TOPLEVEL_PROJECT})

if(NAMEOF_OPT_BUILD_EXAMPLES)
    add_subdirectory(example)
endif()

if(NAMEOF_OPT_BUILD_TESTS)
    enable_testing()
    add_subdirectory(test)
endif()

include(CMakePackageConfigHelpers)

add_library(${PROJECT_NAME} INTERFACE)
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_17)
target_include_directories(${PROJECT_NAME}
        INTERFACE
            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
            $<INSTALL_INTERFACE:include>)

write_basic_package_version_file(${PROJECT_NAME}ConfigVersion.cmake
        VERSION ${PROJECT_VERSION}
        COMPATIBILITY AnyNewerVersion)

install(TARGETS ${PROJECT_NAME}
        EXPORT ${PROJECT_NAME}Config)

install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
        DESTINATION lib/cmake/${PROJECT_NAME})

install(EXPORT ${PROJECT_NAME}Config
        NAMESPACE ${PROJECT_NAME}::
        DESTINATION lib/cmake/${PROJECT_NAME})

install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include
        DESTINATION .)