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cmake: Get Vulkan Version

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Extract the vulkan header version for CMake usage
This commit is contained in:
Juan Ramos 2022-11-04 12:33:15 -06:00 committed by Juan Ramos
parent 52b7c620a5
commit 91388ba104
2 changed files with 49 additions and 3 deletions
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8
CMakeLists.txt
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@ -1,6 +1,6 @@
# ~~~
# Copyright (c) 2018 Valve Corporation
# Copyright (c) 2018 LunarG, Inc.
# Copyright (c) 2018-2022 Valve Corporation
# Copyright (c) 2018-2022 LunarG, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -19,8 +19,10 @@
# 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)
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

44
cmake/version.cmake Normal file
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@ -0,0 +1,44 @@
# ~~~
# Copyright (c) 2022 LunarG, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ~~~
# Written as a function to minimize variable scope
# Only VK_VERSION_STRING will be returned to the PARENT_SCOPE
function(vlk_get_header_version)
set(vulkan_core_header_file "${CMAKE_CURRENT_SOURCE_DIR}/include/vulkan/vulkan_core.h")
if (NOT EXISTS ${vulkan_core_header_file})
message(FATAL_ERROR "Couldn't find vulkan_core.h!")
endif()
file(READ ${vulkan_core_header_file} ver)
# Get the major/minor version
if (ver MATCHES "#define[ ]+VK_HEADER_VERSION_COMPLETE[ ]+VK_MAKE_API_VERSION\\([ ]*[0-9]+,[ ]*([0-9]+),[ ]*([0-9]+),[ ]*VK_HEADER_VERSION[ ]*\\)")
set(VK_VERSION_MAJOR "${CMAKE_MATCH_1}")
set(VK_VERSION_MINOR "${CMAKE_MATCH_2}")
else()
message(FATAL_ERROR "Couldn't get major/minor version")
endif()
# Get the patch version
if (ver MATCHES "#define[ ]+VK_HEADER_VERSION[ ]+([0-9]+)")
set(VK_HEADER_VERSION "${CMAKE_MATCH_1}")
else()
message(FATAL_ERROR "Couldn't get the patch version")
endif()
set(VK_VERSION_STRING "${VK_VERSION_MAJOR}.${VK_VERSION_MINOR}.${VK_HEADER_VERSION}" PARENT_SCOPE)
endfunction()
vlk_get_header_version()