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cmake: Export CMake Targets File

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Now as part of install 2 files are created:
- VulkanHeadersConfig.cmake
- VulkanHeadersConfigVersion.cmake

This allows usage of find_package

closes #157
This commit is contained in:
Juan Ramos 2022-11-07 11:07:06 -07:00 committed by Juan Ramos
parent 1661f3e962
commit 9cc8473bb9
2 changed files with 57 additions and 32 deletions
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35
CMakeLists.txt
View File

@ -14,47 +14,18 @@
# See the License for the specific language governing permissions and
# limitations under the License.
# ~~~
# CMake project initialization ---------------------------------------------------------------------------------------------------
# This section contains pre-project() initialization, and ends with the project() command.
cmake_minimum_required(VERSION 3.10.2)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/version.cmake)
project(Vulkan-Headers LANGUAGES C VERSION ${VK_VERSION_STRING})
message(STATUS "${PROJECT_NAME} = ${PROJECT_VERSION}")
# User-interface declarations ----------------------------------------------------------------------------------------------------
# This section contains variables that affect development GUIs (e.g. CMake GUI and IDEs), such as option(), folders, and variables
# with the CACHE property.
include(GNUInstallDirs)
if(WIN32 AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
# Windows: if install locations not set by user, set install prefix to "<build_dir>\install".
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "default install path" FORCE)
endif()
# --------------------------------------------------------------------------------------------------------------------------------
# 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">)
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">)
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}/include/vk_video" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry" DESTINATION ${CMAKE_INSTALL_DATADIR}/vulkan)
# uninstall target
if(NOT TARGET uninstall)
configure_file("${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 ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif()
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/install.cmake)

54
cmake/install.cmake Normal file
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@ -0,0 +1,54 @@
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
if(WIN32 AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
# Windows: if install locations not set by user, set install prefix to "<build_dir>\install".
set(CMAKE_INSTALL_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/install" CACHE PATH "default install path" FORCE)
endif()
# uninstall target
if(NOT TARGET uninstall)
configure_file("${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 ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif()
# Location registry files will be installed to
set(VLK_REGISTRY_DIR "${CMAKE_INSTALL_DATADIR}/vulkan")
# Install header files
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/vk_video" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
# Install registry files
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry" DESTINATION ${VLK_REGISTRY_DIR})
set(export_name "VulkanHeadersConfig")
set(namespace "Vulkan::")
set(cmake_files_install_dir ${CMAKE_INSTALL_DATADIR}/cmake/VulkanHeaders/)
# Set EXPORT_NAME for consistency with established names. The CMake generated ones won't work.
set_target_properties(Vulkan-Headers PROPERTIES EXPORT_NAME "Headers")
set_target_properties(Vulkan-Registry PROPERTIES EXPORT_NAME "Registry")
# Add find_package() support
target_include_directories(Vulkan-Headers INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
install(TARGETS Vulkan-Headers EXPORT ${export_name})
target_include_directories(Vulkan-Registry INTERFACE $<INSTALL_INTERFACE:${VLK_REGISTRY_DIR}/registry>)
install(TARGETS Vulkan-Registry EXPORT ${export_name})
install(EXPORT ${export_name} NAMESPACE ${namespace} DESTINATION ${cmake_files_install_dir})
export(TARGETS Vulkan-Headers NAMESPACE ${namespace} FILE ${export_name}.cmake)
set(config_version "${CMAKE_CURRENT_BINARY_DIR}/${export_name}Version.cmake")
# Add find_package() versioning support
if(${CMAKE_VERSION} VERSION_LESS "3.14.0")
write_basic_package_version_file(${config_version} COMPATIBILITY SameMajorVersion)
else()
write_basic_package_version_file(${config_version} COMPATIBILITY SameMajorVersion ARCH_INDEPENDENT)
endif()
install(FILES ${config_version} DESTINATION ${cmake_files_install_dir})