CMakeLists.txt

cmake_minimum_required(VERSION 3.7)
project(Flatlands)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} CMakeFiles/)

# let YCM do cool stuff for us
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)


set(Executable Flatlands)
set(SourceDir src) # Change src/ to your source directory

set(IncludeDir include/) # Change include/ to your include directory
include_directories(${IncludeDir})

file(GLOB_RECURSE SourceFiles
        ${SourceDir}/*.cpp
        )

set(THREADS_PREFER_PTHREAD_FLAD ON)
find_package(Threads REQUIRED)

find_package(OpenGL REQUIRED)

if (UNIX)
    find_package(X11 REQUIRED)
    find_package(PNG REQUIRED)
    include_directories(${PNG_INCLUDE_DIR})
endif (UNIX)

if (WIN32)
    include_directories(${WinSDK})
endif (WIN32)

add_executable(${Executable}
        ${SourceFiles})

if (${APPLE})

    #########################################################
    # FIND CARBON
    #########################################################
    FIND_LIBRARY(CARBON_LIBRARY Carbon)
    target_link_libraries(${Executable} ${CARBON_LIBRARY})

    #########################################################
    # FIND PNG
    #########################################################
    find_package(PNG REQUIRED)
    include_directories(${PNG_INCLUDE_DIRS})
    link_directories(${PNG_LIBRARY_DIRS})
    add_definitions(${PNG_DEFINITIONS})
    if(NOT PNG_FOUND)
        message(ERROR " PNG not found!")
    endif(NOT PNG_FOUND)
    target_link_libraries(${Executable} ${PNG_LIBRARIES})

    #########################################################
    # FIND GLUT
    #########################################################
    find_package(GLUT REQUIRED)
    include_directories(${GLUT_INCLUDE_DIRS})
    link_directories(${GLUT_LIBRARY_DIRS})
    add_definitions(${GLUT_DEFINITIONS})
    if(NOT GLUT_FOUND)
        message(ERROR " GLUT not found!")
    endif(NOT GLUT_FOUND)
    target_link_libraries(${Executable} ${GLUT_LIBRARIES})

    #########################################################
    # FIND OPENGL
    #########################################################
    find_package(OpenGL REQUIRED)
    include_directories(${OpenGL_INCLUDE_DIRS})
    link_directories(${OpenGL_LIBRARY_DIRS})
    add_definitions(${OpenGL_DEFINITIONS})
    if(NOT OPENGL_FOUND)
        message(ERROR " OPENGL not found!")
    endif(NOT OPENGL_FOUND)
    target_link_libraries(${Executable} ${OPENGL_LIBRARIES})
    add_definitions(-std=c++17)
else()

    link_libraries(${Executable}
            Threads::Threads
            OpenGL::OpenGL
            OpenGL::GL
            OpenGL::GLX
            )

    if (UNIX)
        target_link_libraries(${Executable} stdc++fs)
        target_link_libraries(${Executable} GL)
        target_link_libraries(${Executable} png)

        set(CMAKE_THREAD_LIBS_INIT "-lpthread")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")

        set(CMAKE_HAVE_THREADS_LIBRARY 1)
        set(CMAKE_USE_WIN32_THREADS_INIT 0)
        set(CMAKE_USE_PTHREADS_INIT 1)
        set(THREADS_PREFER_PTHREAD_FLAG ON)
        set(SFML_STATIC_LIBRARIES FALSE)
        target_link_libraries(${Executable}
                ${X11_LIBRARIES}
                PNG::PNG
                )
    endif (UNIX)
    if (WIN32)
        target_link_libraries(${Executable}
                ${WinSDK}
                )
    endif (WIN32)

endif()