cmake_minimum_required(VERSION 3.15) include(gen/CurrentBuildVulkanVersion.cmake) project(VulkanBootstrap LANGUAGES CXX DESCRIPTION "A Vulkan utility library to ease the initialization steps in Vulkan" VERSION ${VK_BOOTSTRAP_SOURCE_HEADER_VERSION}) option(VK_BOOTSTRAP_DISABLE_WARNINGS "Disable warnings during compilation" OFF) option(VK_BOOTSTRAP_WERROR "Enable warnings as errors during compilation" OFF) if (CMAKE_VERSION VERSION_LESS "3.21") # By default, only build tests & install if this repo is standalone, but still allow configuration by the user string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} PROJECT_IS_TOP_LEVEL) endif() option(VK_BOOTSTRAP_TEST "Test Vk-Bootstrap using Catch2 as well as build examples" ${PROJECT_IS_TOP_LEVEL}) option(VK_BOOTSTRAP_INSTALL "Enable installing of vk-bootstrap" ${PROJECT_IS_TOP_LEVEL}) set(VK_BOOTSTRAP_VULKAN_HEADER_DIR "" CACHE FILEPATH "Specify the location of the Vulkan-Headers include directory.") mark_as_advanced(VK_BOOTSTRAP_VULKAN_HEADER_DIR) # Check if the user has set this variable explicitly if(IS_DIRECTORY ${VK_BOOTSTRAP_VULKAN_HEADER_DIR}) add_library(Vulkan-Headers INTERFACE) add_library(Vulkan::Headers ALIAS Vulkan-Headers) target_include_directories(Vulkan-Headers INTERFACE $) # If we had to use a direct path to get the headers, disable installing set(VK_BOOTSTRAP_INSTALL OFF) # Check if the target is already defined elseif(NOT TARGET Vulkan::Headers) # Try looking for the VulkanHeaders package directly find_package(VulkanHeaders CONFIG QUIET) if (NOT VulkanHeaders_FOUND) # Try looking using the CMake built in Vulkan support find_package(Vulkan QUIET) if(Vulkan_FOUND) # Older CMake versions don't contain Vulkan::Headers - create it in that case if (NOT TARGET Vulkan::Headers) add_library(Vulkan-Headers INTERFACE) add_library(Vulkan::Headers ALIAS Vulkan-Headers) target_include_directories(Vulkan-Headers INTERFACE $) set(VK_BOOTSTRAP_INSTALL OFF) endif() else() # Lastly just grab Vulkan-Headers directly using FetchContent include(FetchContent) FetchContent_Declare( Vulkan-Headers-for-vk-bootstrap GIT_REPOSITORY https://github.com/KhronosGroup/Vulkan-Headers GIT_TAG ${VK_BOOTSTRAP_SOURCE_HEADER_VERSION_GIT_TAG} ) FetchContent_MakeAvailable(Vulkan-Headers-for-vk-bootstrap) # If we had to use FetchContent to get the headers, disable installing set(VK_BOOTSTRAP_INSTALL OFF) endif() endif() endif() if(NOT TARGET Vulkan::Headers) message(FATAL_ERROR "Unable to locate required dependency Vulkan::Headers!") endif() add_library(vk-bootstrap-compiler-warnings INTERFACE) set(VK_BOOTSTRAP_COMPILER_FRONTEND ${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}) if(NOT VK_BOOTSTRAP_COMPILER_FRONTEND) set(VK_BOOTSTRAP_COMPILER_FRONTEND "None") endif() if(NOT VK_BOOTSTRAP_DISABLE_WARNINGS) if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|AppleClang" OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND VK_BOOTSTRAP_COMPILER_FRONTEND MATCHES "GNU")) target_compile_options(vk-bootstrap-compiler-warnings INTERFACE -Wall -Wextra -Wconversion -Wsign-conversion) if(VK_BOOTSTRAP_WERROR) target_compile_options(vk-bootstrap-compiler-warnings INTERFACE -pedantic-errors) endif() elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC" OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND VK_BOOTSTRAP_COMPILER_FRONTEND MATCHES "MSVC")) target_compile_options(vk-bootstrap-compiler-warnings INTERFACE /W4) if(VK_BOOTSTRAP_WERROR) target_compile_options(vk-bootstrap-compiler-warnings INTERFACE /WX) endif() endif() endif() add_library(vk-bootstrap STATIC src/VkBootstrap.h src/VkBootstrap.cpp src/VkBootstrapDispatch.h) add_library(vk-bootstrap::vk-bootstrap ALIAS vk-bootstrap) target_include_directories(vk-bootstrap PUBLIC $ $) target_link_libraries(vk-bootstrap PUBLIC Vulkan::Headers PRIVATE vk-bootstrap-compiler-warnings ${CMAKE_DL_LIBS}) target_compile_features(vk-bootstrap PUBLIC cxx_std_17) if(VK_BOOTSTRAP_TEST) enable_testing() add_subdirectory(ext) add_subdirectory(tests) add_subdirectory(example) endif () if (VK_BOOTSTRAP_INSTALL) include(GNUInstallDirs) include(CMakePackageConfigHelpers) install(FILES src/VkBootstrap.h src/VkBootstrapDispatch.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) install( TARGETS vk-bootstrap vk-bootstrap-compiler-warnings EXPORT vk-bootstrap-targets INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ) install( EXPORT vk-bootstrap-targets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/vk-bootstrap NAMESPACE vk-bootstrap:: ) # Create vk-bootstrap-config.cmake set(VK_BOOTSTRAP_EXPORT_TARGETS ${CMAKE_INSTALL_LIBDIR}/cmake/vk-bootstrap/vk-bootstrap-targets.cmake) file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/vk-bootstrap-config.cmake.in" [=[ @PACKAGE_INIT@ # Try to find Vulkan-Headers using find_package. Assume the package is available through either Vulkan-Headers or the older Vulkan # Package managers should have Vulkan-Headers be a dependency of this repo. find_package(VulkanHeaders CONFIG) if (NOT VulkanHeaders_FOUND) find_package(Vulkan) if (NOT Vulkan_FOUND) message(FATAL_ERROR "Unable to locate required dependency Vulkan::Headers!") endif() endif() include(@PACKAGE_VK_BOOTSTRAP_EXPORT_TARGETS@) ]=]) configure_package_config_file( ${CMAKE_CURRENT_BINARY_DIR}/vk-bootstrap-config.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/vk-bootstrap-config.cmake INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/vk-bootstrap PATH_VARS VK_BOOTSTRAP_EXPORT_TARGETS NO_SET_AND_CHECK_MACRO NO_CHECK_REQUIRED_COMPONENTS_MACRO ) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/vk-bootstrap-config.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/vk-bootstrap ) endif()