#[[
    Abstractions and Models are NOT at WAR!
                                            - Cobwoy's Talisman
    But Abstractions don't care and Models can't understand!!
                                            - Lul, Practicality
 ]]

cmake_minimum_required(VERSION 3.1...3.17 FATAL_ERROR)

project(GLFW VERSION 3.4.0 LANGUAGES C)

set(GLFW_LIB_NAME GLFW)

list(APPEND CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules")

find_package(Threads REQUIRED)

include(CMakeDependentOption)

if (GLFW_USE_OSMESA)
    message(FATAL_ERROR "GLFW_USE_OSMESA has been removed; set the GLFW_PLATFORM init hint")
endif()

cmake_dependent_option(GLFW_BUILD_WIN32 "Build support for Win32" ON "WIN32" OFF)
cmake_dependent_option(GLFW_BUILD_COCOA "Build support for Cocoa" ON "APPLE" OFF)
cmake_dependent_option(GLFW_BUILD_X11 "Build support for X11" ON "UNIX;NOT APPLE" OFF)
cmake_dependent_option(GLFW_BUILD_WAYLAND "Build support for Wayland"
    "${GLFW_USE_WAYLAND}" "UNIX;NOT APPLE" OFF)

cmake_dependent_option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF
                       "WIN32" OFF)
cmake_dependent_option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON
                       "MSVC" OFF)

option(GLFW_VULKAN_STATIC "Assume the Vulkan loader is linked with the application" OFF)


#--------------------------------------------------------------------
# Report backend selection
#--------------------------------------------------------------------
if (GLFW_BUILD_WIN32)
    message(STATUS "Including Win32 support")
endif()
if (GLFW_BUILD_COCOA)
    message(STATUS "Including Cocoa support")
endif()
if (GLFW_BUILD_WAYLAND)
    message(STATUS "Including Wayland support")
endif()
if (GLFW_BUILD_X11)
    message(STATUS "Including X11 support")
endif()

#--------------------------------------------------------------------
# Apply Microsoft C runtime library option
# This is here because it also applies to tests and examples
#--------------------------------------------------------------------
if (MSVC AND NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
    if (CMAKE_VERSION VERSION_LESS 3.15)
        foreach (flag CMAKE_C_FLAGS
                      CMAKE_C_FLAGS_DEBUG
                      CMAKE_C_FLAGS_RELEASE
                      CMAKE_C_FLAGS_MINSIZEREL
                      CMAKE_C_FLAGS_RELWITHDEBINFO)

            if (flag MATCHES "/MD")
                string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
            endif()
            if (flag MATCHES "/MDd")
                string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
            endif()

        endforeach()
    else()
        set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
    endif()
endif()

#--------------------------------------------------------------------
# Create generated files
#--------------------------------------------------------------------
include(CMakePackageConfigHelpers)

set(GLFW_CONFIG_PATH "${CMAKE_INSTALL_LIBDIR}/cmake/glfw3")

configure_package_config_file(CMake/glfw3Config.cmake.in
                              src/glfw3Config.cmake
                              INSTALL_DESTINATION "${GLFW_CONFIG_PATH}"
                              NO_CHECK_REQUIRED_COMPONENTS_MACRO)

write_basic_package_version_file(src/glfw3ConfigVersion.cmake
                                 VERSION ${GLFW_VERSION}
                                 COMPATIBILITY SameMajorVersion)

#--------------------------------------------------------------------
# Add subdirectories
#--------------------------------------------------------------------
add_subdirectory(src)

#[[
 *                                          /\
 *                                         / /
 *                                      /\| |
 *                                      | | |/\
 *                                      | | / /
 *                                      | `  /
 *                                      `\  (___
 *                                     _.->  ,-.-.
 *                                  _.'      |  \ \
 *                                 /    _____| 0 |0\
 *                                |    /`    `^-.\.-'`-._
 *                                |   |                  `-._
 *                                |   :                      `.
 *                                \    `._     `-.__         O.'
 *         _.--,                   \     `._     __.^--._O_..-'
 *        `---, `.                  `\     /` ` `
 *             `\ `,                  `\   |
 *              |   :                   ;  |
 *              /    `.              ___|__|___
 *             /       `.           (          )
 *            /    `---.:____...---' `--------`.
 *           /        (         `.      __      `.
 *          |          `---------' _   /  \       \
 *          |    .-.      _._     (_)  `--'        \
 *          |   (   )    /   \                       \
 *           \   `-'     \   /                       ;-._
 *            \           `-'           \           .'   `.
 *            /`.                  `\    `\     _.-'`-.    `.___
 *           |   `-._                `\    `\.-'       `-.   ,--`
 *            \      `--.___        ___`\    \           ||^\\
 *             `._        | ``----''     `.   `\         `'  `
 *                `--;     \  jgs          `.   `.
 *                   //^||^\\               //^||^\\
 *                   '  `'  `               '   '  `
 ]]