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Add vulkan.cppm as a separate library: Vulkan::VulkanHppModule

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- Guarded behind `if()` version and compiler test
- Linked to `Vulkan-Headers` as a dependency
- Also added `CXX` to the `LANGUAGES` property of the project
This commit is contained in:
Sharadh Rajaraman 2024-06-14 23:53:27 +01:00 committed by Charles Giessen
parent 8f034f6b48
commit 85256c712c
1 changed files with 32 additions and 3 deletions
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35
CMakeLists.txt
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@ -5,7 +5,7 @@
#
# SPDX-License-Identifier: Apache-2.0
# ~~~
cmake_minimum_required(VERSION 3.15...3.25)
cmake_minimum_required(VERSION 3.15)
# NOTE: Parsing the version like this is suboptimal but neccessary due to our release process:
# https://github.com/KhronosGroup/Vulkan-Headers/pull/346
@ -36,12 +36,33 @@ function(vlk_get_header_version)
endfunction()
vlk_get_header_version()
project(VULKAN_HEADERS LANGUAGES C VERSION ${VK_VERSION_STRING})
project(VULKAN_HEADERS LANGUAGES C CXX VERSION ${VK_VERSION_STRING})
add_library(Vulkan-Headers INTERFACE)
add_library(Vulkan::Headers ALIAS Vulkan-Headers)
target_include_directories(Vulkan-Headers INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>)
if (MSVC AND (MSVC_VERSION GREATER_EQUAL "1934") OR
CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "16.0" OR
CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "14.0")
set(COMPILER_SUPPORTS_CXX_MODULES TRUE)
endif()
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.28" AND COMPILER_SUPPORTS_CXX_MODULES)
add_library(Vulkan-Module)
add_library(Vulkan::VulkanHppModule ALIAS Vulkan-Module)
target_sources(Vulkan-Module
PUBLIC
FILE_SET module
TYPE CXX_MODULES
BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/include"
FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan/vulkan.cppm"
)
target_compile_features(Vulkan-Module PUBLIC cxx_std_20)
target_link_libraries(Vulkan-Module PUBLIC Vulkan-Headers)
endif ()
if (CMAKE_VERSION VERSION_LESS "3.21")
# https://cmake.org/cmake/help/latest/variable/PROJECT_IS_TOP_LEVEL.html
string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} PROJECT_IS_TOP_LEVEL)
@ -65,8 +86,16 @@ if (VULKAN_HEADERS_ENABLE_INSTALL)
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry" DESTINATION "${CMAKE_INSTALL_DATADIR}/vulkan" USE_SOURCE_PERMISSIONS)
set_target_properties(Vulkan-Headers PROPERTIES EXPORT_NAME "Headers")
install(TARGETS Vulkan-Headers EXPORT VulkanHeadersConfig INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.28" AND COMPILER_SUPPORTS_CXX_MODULES)
install(TARGETS Vulkan-Module
EXPORT VulkanHeadersConfig
FILE_SET module
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/include/vulkan"
)
endif()
install(EXPORT VulkanHeadersConfig NAMESPACE "Vulkan::" DESTINATION "share/cmake/VulkanHeaders")
set(version_config "${CMAKE_CURRENT_BINARY_DIR}/generated/VulkanHeadersConfigVersion.cmake")