cmake_minimum_required(VERSION 3.16)
project(openkknd C)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)

file(READ "${CMAKE_SOURCE_DIR}/VERSION" OPENKKND_VERSION)
string(STRIP "${OPENKKND_VERSION}" OPENKKND_VERSION)

add_executable(openkknd
  src/main.c
  src/game.c
  src/map.c
  src/unit.c
  src/render.c
)

target_include_directories(openkknd PRIVATE include)
target_compile_definitions(openkknd PRIVATE
  OPENKKND_VERSION="${OPENKKND_VERSION}"
)

find_package(SDL2 REQUIRED)
if(TARGET SDL2::SDL2)
  target_link_libraries(openkknd PRIVATE SDL2::SDL2)
elseif(TARGET SDL2::SDL2-static)
  target_link_libraries(openkknd PRIVATE SDL2::SDL2-static)
else()
  target_include_directories(openkknd PRIVATE ${SDL2_INCLUDE_DIRS})
  target_link_libraries(openkknd PRIVATE ${SDL2_LIBRARIES})
endif()

install(TARGETS openkknd RUNTIME DESTINATION bin)