klips/cpp/graphics/sdl-cmake/CMakeLists.txt

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## Author: Shaun Reed                                                         ##
## Legal: All Content (c) 2021 Shaun Reed, all rights reserved                ##
##                                                                            ##
## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
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# Define CMake version
cmake_minimum_required(VERSION 3.15)

project(
    #[[NAME]]    SDL-Cmake
    DESCRIPTION  "Example project for building SDL projects with CMake"
    LANGUAGES    CXX
)

# Add Library
add_library(
    graphics-lib-sdl                          # Library Name
    src/lib-sdl-test.cpp  src/lib-sdl-test.h  # Sources..
)

target_include_directories(            # When calling library, include a directory
    graphics-lib-sdl                   # Library name
    PUBLIC                             # Visibility
    ${CMAKE_CURRENT_SOURCE_DIR}/src    # Source directory for library
)

# Search for SDL2 package
find_package(SDL2 REQUIRED sdl2)

# If SDL2 was found successfully, link to lib-sdl-test
if (SDL2_FOUND)
  # Any target that links with this library will also link to SDL2
  # + Because we choose PUBLIC visibility
  target_include_directories(graphics-lib-sdl PUBLIC ${SDL2_INCLUDE_DIRS})
  target_link_libraries(graphics-lib-sdl PUBLIC "${SDL2_LIBRARIES}")

  # Creating executable
  add_executable(
      graphics-cmake-sdl  # Exe name
      apps/sdl-test.cpp   # Exe Source(s)
  )

  # Linking the exe to library
  target_link_libraries(
      graphics-cmake-sdl    # Executable to link
      PRIVATE               # Visibility
      graphics-lib-sdl      # Library to link
  )

else()
  message(
      "Error: CMake was unable to find SDL2 package.\n"
      "Please install the libsdl2-dev package and try again.\n"
  )
endif()