# NONE = this project has no language toolchain requirement.
project(Vulkan-Headers NONE)
+file(READ "include/vulkan/vulkan_core.h" ver)
+string(REGEX MATCH "#define[ ]+VK_HEADER_VERSION_COMPLETE[ ]+VK_MAKE_VERSION\\([ ]*([0-9]+),[ ]*([0-9]+),[ ]*VK_HEADER_VERSION[ ]*\\)" _ ${ver})
+set(VK_VERSION_MAJOR "${CMAKE_MATCH_1}")
+set(VK_VERSION_MINOR "${CMAKE_MATCH_2}")
+string(REGEX MATCH "#define[ ]+VK_HEADER_VERSION[ ]+([0-9]+)" _ ${ver})
+set(VK_HEADER_VERSION "${CMAKE_MATCH_1}")
+# check if version parsing was successful
+if(VK_VERSION_MAJOR STREQUAL "")
+ message(FATAL_ERROR "Error reading major version from 'include/vulkan/vulkan_core.h'")
+endif()
+if(VK_VERSION_MINOR STREQUAL "")
+ message(FATAL_ERROR "Error reading minor version from 'include/vulkan/vulkan_core.h'")
+endif()
+if(VK_HEADER_VERSION STREQUAL "")
+ message(FATAL_ERROR "Error reading header version from 'include/vulkan/vulkan_core.h'")
+endif()
+set(VK_VERSION_STRING "${VK_VERSION_MAJOR}.${VK_VERSION_MINOR}.${VK_HEADER_VERSION}")
+message(STATUS "Found Vulkan-Headers VK_VERSION_STRING '${VK_VERSION_STRING}'")
+
+option(VULKAN_HEADERS_SKIP_INSTALL "Skip install" OFF)
# User-interface declarations ----------------------------------------------------------------------------------------------------
# This section contains variables that affect development GUIs (e.g. CMake GUI and IDEs), such as option(), folders, and variables
# define exported targets for nested project builds to consume
add_library(Vulkan-Headers INTERFACE)
-target_include_directories(Vulkan-Headers INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")
+target_include_directories(Vulkan-Headers INTERFACE
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+ $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
add_library(Vulkan::Headers ALIAS Vulkan-Headers)
add_library(Vulkan-Registry INTERFACE)
-target_include_directories(Vulkan-Registry INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/registry")
+target_include_directories(Vulkan-Registry INTERFACE
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/registry>
+ $<INSTALL_INTERFACE:${CMAKE_INSTALL_DATADIR}/vulkan>
+)
add_library(Vulkan::Registry ALIAS Vulkan-Registry)
-install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry" DESTINATION ${CMAKE_INSTALL_DATADIR}/vulkan)
+# Installation
+# This adds the following files to the install target
+# - Vulkan Header files
+# - Vulkan Registry files
+# - CMake config files generated by CMake
+# - VulkanHeadersConfig.cmake: searched for by find_package(VulkanHeaders)
+# - VulkanHeadersConfigVersion.cmake: provides version numbers
+# - VulkanHeadersTargets.cmake: CMake target definitions used by config file
+if(NOT VULKAN_HEADERS_SKIP_INSTALL)
+ set(config_install_dir "${CMAKE_INSTALL_DATADIR}/cmake/VulkanHeaders")
+ set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
+ set(version_config "${generated_dir}/VulkanHeadersConfigVersion.cmake")
+ set(project_config "${generated_dir}/VulkanHeadersConfig.cmake")
+ set(TARGETS_EXPORT_NAME "VulkanHeadersTargets")
+ set(namespace "Vulkan::")
+
+ include(CMakePackageConfigHelpers)
+ write_basic_package_version_file(
+ "${version_config}"
+ VERSION ${VK_VERSION_STRING}
+ COMPATIBILITY AnyNewerVersion
+ )
+ configure_package_config_file(
+ "cmake/Config.cmake.in"
+ "${project_config}"
+ INSTALL_DESTINATION "${config_install_dir}"
+ )
+ install(
+ TARGETS Vulkan-Headers Vulkan-Registry
+ EXPORT "${TARGETS_EXPORT_NAME}"
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+ )
+ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan"
+ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+ )
+ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry"
+ DESTINATION ${CMAKE_INSTALL_DATADIR}/vulkan
+ )
+ install(FILES "${project_config}" "${version_config}"
+ DESTINATION "${config_install_dir}"
+ )
+ install(
+ EXPORT "${TARGETS_EXPORT_NAME}"
+ NAMESPACE "${namespace}"
+ DESTINATION "${config_install_dir}")
-# uninstall target
-if(NOT TARGET uninstall)
- configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
- "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
- IMMEDIATE
- @ONLY)
- add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
+ # uninstall target
+ if(NOT TARGET uninstall)
+ configure_file(
+ "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
+ "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+ IMMEDIATE
+ @ONLY)
+ add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
+ endif()
endif()