CMakeLists.txt

# Works with 3.11 and tested through 3.19
cmake_minimum_required(VERSION 3.11...3.19)

# Project name and a few useful settings. Other commands can pick up the results
project(
  omega
  VERSION 0.1
  DESCRIPTION "An example project with CMake"
  LANGUAGES CXX)

# Only do these if this is the main project, and not if it is included through add_subdirectory
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)

  set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
  # Optionally set things like CMAKE_CXX_STANDARD, CMAKE_POSITION_INDEPENDENT_CODE here

  # Let's ensure -std=c++xx instead of -std=g++xx
  set(CMAKE_CXX_EXTENSIONS OFF)

  # Let's nicely support folders in IDEs
  set_property(GLOBAL PROPERTY USE_FOLDERS ON)

  # Testing only available if this is the main app
  # Note this needs to be done in the main CMakeLists
  # since it calls enable_testing, which must be in the
  # main CMakeLists.
  # include(CTest)

  # Docs only available if this is the main app
  # find_package(Doxygen)
  # if(Doxygen_FOUND)
  #   add_subdirectory(docs)
  # else()
  #   message(STATUS "Doxygen not found, not building docs")
  # endif()
endif()

# FetchContent added in CMake 3.11, downloads during the configure step
include(FetchContent)
# FetchContent_MakeAvailable was not added until CMake 3.14; use our shim
if(${CMAKE_VERSION} VERSION_LESS 3.14)
  include(cmake/add_FetchContent_MakeAvailable.cmake)
endif()

find_package(PkgConfig REQUIRED)
# find_package(glfw3 REQUIRED)
# TODO: move depedencies to test
find_package(OpenGL REQUIRED)
find_package(GLUT REQUIRED)
find_package(Freetype REQUIRED)
pkg_check_modules(Freetype REQUIRED freetype2)

# Accumulator library
# This is header only, so could be replaced with git submodules or FetchContent
# find_package(Boost REQUIRED)
# Adds Boost::boost

# Formatting library
# FetchContent_Declare(
#   fmtlib
#   GIT_REPOSITORY https://github.com/fmtlib/fmt.git
#   GIT_TAG 5.3.0)
# FetchContent_MakeAvailable(fmtlib)
# Adds fmt::fmt

# The compiled library code is here
add_subdirectory(source)

# The executable code is here
add_subdirectory(test)

# Testing only available if this is the main app
# Emergency override MODERN_CMAKE_BUILD_TESTING provided as well
# if((CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME OR MODERN_CMAKE_BUILD_TESTING)
#    AND BUILD_TESTING)
#   add_subdirectory(tests)
# endif()