Provide a switch to control shared vs static lib #349

	name: build

	on: [push, pull_request]

	jobs:
	build:
	strategy:
	matrix:
	os: [ubuntu, macos, windows]
	name: ${{matrix.os}}
	runs-on: ${{matrix.os}}-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/checkout@v4
	with:
	repository: KhronosGroup/Vulkan-Headers
	ref: main
	path: Vulkan-Headers
	fetch-depth: 0
	fetch-tags: true
	- name: move sdk
	shell: bash
	run: \|
	mv Vulkan-Headers ~/Vulkan-Headers
	- name: build main
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout main
	test/run_tests.sh
	- name: build 1.1.101
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout sdk-1.1.101
	test/run_tests.sh
	- name: build 1.2.131
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout sdk-1.2.131
	test/run_tests.sh
	- name: build 1.2.182
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout sdk-1.2.182
	test/run_tests.sh
	- name: build 1.3.204
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout sdk-1.3.204
	test/run_tests.sh
	- name: build 1.3.239
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout sdk-1.3.239
	test/run_tests.sh
	- name: build 1.3.268
	shell: bash
	run: \|
	export VULKAN_SDK=~/Vulkan-Headers
	git -C ~/Vulkan-Headers checkout vulkan-sdk-1.3.268
	test/run_tests.sh

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