CMakeLists.txt

# This could probably be lower but needs verification
cmake_minimum_required(VERSION 3.10)

project(Optional LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)


# Download and unpack googletest at configure time
configure_file(googletest-CMakeLists.txt.in googletest-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
				RESULT_VARIABLE result
				WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
if(result)
  message(FATAL_ERROR "CMake step for googletest failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
				RESULT_VARIABLE result
				WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
if(result)
  message(FATAL_ERROR "Build step for googletest failed: ${result}")
endif()

# Prevent overriding the parent project's compiler/linker
# settings on Windows
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)

# Add googletest directly to our build. This defines
# the gtest and gtest_main targets.
add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
				 ${CMAKE_BINARY_DIR}/googletest-build
				 EXCLUDE_FROM_ALL)
				 
include_directories("include")
add_subdirectory(tests)