use Zig build system

tests/CMakeLists.txt

@@ -1,46 +0,0 @@
-# ~~~
-# Copyright (c) 2022-2023 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.
-# ~~~
-
-# Test the non-API headers provided by this repo
-# NOTE: For us testing just means that these header files compile
-# with reasonable warnings.
-
-message(STATUS "${PROJECT_NAME} = ${PROJECT_VERSION}")
-
-set(CMAKE_C_STANDARD 99)
-set(CMAKE_C_STANDARD_REQUIRED ON)
-set(CMAKE_C_EXTENSIONS OFF)
-
-if(${CMAKE_C_COMPILER_ID} MATCHES "(GNU|Clang)")
-    add_compile_options(
-        -Wpedantic
-        -Wall
-        -Wextra
-        -Werror
-    )
-endif()
-
-# vk_icd.h
-add_executable(vk_icd vk_icd.c)
-target_link_libraries(vk_icd PRIVATE Vulkan::Headers)
-
-# vk_layer.h
-add_library(vk_layer MODULE vk_layer.c)
-target_link_libraries(vk_layer PRIVATE Vulkan::Headers)
-
-if (NOT TARGET Vulkan-Headers)
-    message(FATAL_ERROR "Backcompat for Vulkan-Headers target broken!")
-endif()

tests/find_package/CMakeLists.txt

@@ -1,32 +0,0 @@
-cmake_minimum_required(VERSION 3.14.2)
-
-project(TEST_VULKAN_HEADERS_FIND_PACKAGE_SUPPORT LANGUAGES C)
-
-find_package(VulkanHeaders REQUIRED CONFIG)
-
-if (NOT TARGET Vulkan::Headers)
-    message(FATAL_ERROR "Vulkan::Headers target not defined")
-endif()
-
-if (NOT DEFINED VULKAN_HEADERS_REGISTRY_DIRECTORY)
-    message(FATAL_ERROR "VULKAN_HEADERS_REGISTRY_DIRECTORY not defined!")
-endif()
-
-if (NOT EXISTS "${VULKAN_HEADERS_REGISTRY_DIRECTORY}/vk.xml")
-    message(FATAL_ERROR "VULKAN_HEADERS_REGISTRY_DIRECTORY not valid!")
-endif()
-message(STATUS "VULKAN_HEADERS_REGISTRY_DIRECTORY = ${VULKAN_HEADERS_REGISTRY_DIRECTORY}")
-
-if (NOT DEFINED VulkanHeaders_VERSION)
-    message(FATAL_ERROR "VulkanHeaders_VERSION not defined!")
-endif()
-message(STATUS "VulkanHeaders_VERSION = ${VulkanHeaders_VERSION}")
-
-add_library(foobar STATIC)
-
-target_link_libraries(foobar PRIVATE Vulkan::Headers)
-
-target_sources(foobar PRIVATE
-    ../vk_icd.c
-    ../vk_layer.c
-)

tests/vk_icd.c

@@ -1,6 +0,0 @@
-#include "vulkan/vk_icd.h"
-
-int main()
-{
-    return 0;
-}

tests/vk_layer.c

@@ -1,6 +0,0 @@
-#include "vulkan/vk_layer.h"
-
-int foobar()
-{
-    return 0;
-}