mirror of
https://github.com/KhronosGroup/Vulkan-Headers.git
synced 2025-04-04 20:54:58 +00:00
d14ccf951f
Remove version.cmake / install.cmake / cmake_uninstall.cmake Remove as much maintenace burden / custom code as possible
105 lines
4.5 KiB
CMake
105 lines
4.5 KiB
CMake
# ~~~
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# Copyright (c) 2018-2022 Valve Corporation
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# Copyright (c) 2018-2022 LunarG, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ~~~
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cmake_minimum_required(VERSION 3.10.2)
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# Written as a function to minimize variable scope
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# Only VK_VERSION_STRING will be returned to the PARENT_SCOPE
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function(vlk_get_header_version)
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set(vulkan_core_header_file "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan/vulkan_core.h")
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if (NOT EXISTS ${vulkan_core_header_file})
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message(FATAL_ERROR "Couldn't find vulkan_core.h!")
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endif()
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file(READ ${vulkan_core_header_file} ver)
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# Get the major/minor version
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if (ver MATCHES "#define[ ]+VK_HEADER_VERSION_COMPLETE[ ]+VK_MAKE_API_VERSION\\([ ]*[0-9]+,[ ]*([0-9]+),[ ]*([0-9]+),[ ]*VK_HEADER_VERSION[ ]*\\)")
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set(VK_VERSION_MAJOR "${CMAKE_MATCH_1}")
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set(VK_VERSION_MINOR "${CMAKE_MATCH_2}")
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else()
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message(FATAL_ERROR "Couldn't get major/minor version")
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endif()
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# Get the patch version
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if (ver MATCHES "#define[ ]+VK_HEADER_VERSION[ ]+([0-9]+)")
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set(VK_HEADER_VERSION "${CMAKE_MATCH_1}")
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else()
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message(FATAL_ERROR "Couldn't get the patch version")
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endif()
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set(VK_VERSION_STRING "${VK_VERSION_MAJOR}.${VK_VERSION_MINOR}.${VK_HEADER_VERSION}" PARENT_SCOPE)
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endfunction()
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vlk_get_header_version()
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project(Vulkan-Headers LANGUAGES C VERSION ${VK_VERSION_STRING})
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message(STATUS "${PROJECT_NAME} = ${PROJECT_VERSION}")
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add_library(Vulkan-Headers INTERFACE)
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target_include_directories(Vulkan-Headers INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>)
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add_library(Vulkan::Headers ALIAS Vulkan-Headers)
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add_library(Vulkan-Registry INTERFACE)
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target_include_directories(Vulkan-Registry INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/registry>)
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add_library(Vulkan::Registry ALIAS Vulkan-Registry)
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# https://cmake.org/cmake/help/latest/variable/PROJECT_IS_TOP_LEVEL.html
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string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} PROJECT_IS_TOP_LEVEL)
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option(VULKAN_HEADERS_INSTALL "Install Vulkan Headers" ${PROJECT_IS_TOP_LEVEL})
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if (VULKAN_HEADERS_INSTALL)
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include(GNUInstallDirs)
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include(CMakePackageConfigHelpers)
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# Location registry files will be installed to
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set(VLK_REGISTRY_DIR "${CMAKE_INSTALL_DATADIR}/vulkan")
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# Install header files
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install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/vk_video" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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# Install registry files
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install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry" DESTINATION ${VLK_REGISTRY_DIR})
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set(export_name "VulkanHeadersConfig")
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set(namespace "Vulkan::")
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set(cmake_files_install_dir ${CMAKE_INSTALL_DATADIR}/cmake/VulkanHeaders/)
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# Set EXPORT_NAME for consistency with established names. The CMake generated ones won't work.
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set_target_properties(Vulkan-Headers PROPERTIES EXPORT_NAME "Headers")
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set_target_properties(Vulkan-Registry PROPERTIES EXPORT_NAME "Registry")
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# Add find_package() support
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target_include_directories(Vulkan-Headers INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
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install(TARGETS Vulkan-Headers EXPORT ${export_name})
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target_include_directories(Vulkan-Registry INTERFACE $<INSTALL_INTERFACE:${VLK_REGISTRY_DIR}/registry>)
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install(TARGETS Vulkan-Registry EXPORT ${export_name})
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install(EXPORT ${export_name} NAMESPACE ${namespace} DESTINATION ${cmake_files_install_dir})
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export(TARGETS Vulkan-Headers NAMESPACE ${namespace} FILE ${export_name}.cmake)
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set(config_version "${CMAKE_CURRENT_BINARY_DIR}/${export_name}Version.cmake")
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# Add find_package() versioning support
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if(${CMAKE_VERSION} VERSION_LESS "3.14.0")
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write_basic_package_version_file(${config_version} COMPATIBILITY SameMajorVersion)
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else()
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write_basic_package_version_file(${config_version} COMPATIBILITY SameMajorVersion ARCH_INDEPENDENT)
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endif()
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install(FILES ${config_version} DESTINATION ${cmake_files_install_dir})
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endif()
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