# See the end of this file for copyright and license terms.

cmake_minimum_required(VERSION 3.14.0)
project(neo VERSION 0.1.0 LANGUAGES C)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_EXTENSIONS OFF)

if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
    set_property(GLOBAL PROPERTY USE_FOLDERS ON)
    option(DEBUG "Enable debug features" ON)
endif()

find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
    option(GIT_SUBMODULE "Update git submodules during build" ON)
    if(GIT_SUBMODULE)
        message(STATUS "Git submodule update")
        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                        RESULT_VARIABLE GIT_SUBMOD_RESULT)
        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
            message(FATAL_ERROR "git submodule update --init --recursive failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
        endif()
    endif()

    execute_process(
        COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
        OUTPUT_VARIABLE neo_GIT_REVISION
        ERROR_QUIET
        OUTPUT_STRIP_TRAILING_WHITESPACE
    )
    if (NOT "${neo_GIT_REVISION}" STREQUAL "")
        set(neo_VERSION_SUFFIX "-${neo_GIT_REVISION}")
    endif()
endif()

add_subdirectory(src)

add_subdirectory(demo)

add_subdirectory(doc)

option(BUILD_TESTING "Build tests" ON)
if((CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME OR NEO_BUILD_TESTING) AND BUILD_TESTING)
    enable_testing()
    add_subdirectory(test)
endif()

set(CPACK_PROJECT_NAME ${PROJECT_NAME})
set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
include(CPack)

# This file is part of libneo.
# Copyright (c) 2021 Fefie <owo@fef.moe>.
#
# libneo is non-violent software: you may only use, redistribute,
# and/or modify it under the terms of the CNPLv6+ as found in
# the LICENSE file in the source code root directory or at
# <https://git.pixie.town/thufie/CNPL>.
#
# libneo comes with ABSOLUTELY NO WARRANTY, to the extent
# permitted by applicable law.  See the CNPLv6+ for details.