Allowing for dynamic top-level namespacing #1013

	name: Build and Test

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	schedule:
	- cron: '30 2 * * 1'

	env:
	CTEST_OUTPUT_ON_FAILURE: 1

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [windows-latest, ubuntu-latest, macos-latest]
	include:
	- os: windows-latest
	vcpkg-cmake-file: "$env:VCPKG_INSTALLATION_ROOT\\scripts\\buildsystems\\vcpkg.cmake"
	ctest-target: RUN_TESTS
	- os: ubuntu-latest
	vcpkg-cmake-file: "$VCPKG_INSTALLATION_ROOT/scripts/buildsystems/vcpkg.cmake"
	ctest-target: test
	- os: macos-latest
	vcpkg-cmake-file: "$VCPKG_INSTALLATION_ROOT/scripts/buildsystems/vcpkg.cmake"
	ctest-target: test

	env:
	CMAKE_BUILD_DIR: ${{ github.workspace }}/build
	CMAKE_TEST_DIR: ${{ github.workspace }}/build/test

	steps:
	- uses: actions/checkout@v2

	- name: dependencies (macos)
	if: ${{ matrix.os == 'macos-latest' }}
	run: \|
	brew install llvm pkg-config
	ln -s "/usr/local/opt/llvm/bin/clang-format" "/usr/local/bin/clang-format"
	ln -s "/usr/local/opt/llvm/bin/clang-tidy" "/usr/local/bin/clang-tidy"

	- name: Restore cache
	uses: actions/cache@v2
	with:
	path: \|
	${{ env.CMAKE_BUILD_DIR }}/vcpkg_installed
	key: ${{ runner.os }}-${{ hashFiles( '**/vcpkg.json' ) }}

	- name: Configure to use clang-tidy and sanitizers
	run: \|
	cmake -B "${{ env.CMAKE_BUILD_DIR }}" -DTESTING=ON -DCLANG_TIDY=ON -DSANITIZERS=ON -DCMAKE_TOOLCHAIN_FILE="${{ matrix.vcpkg-cmake-file}}" .

	- name: Build
	run: \|
	cmake --build "${{ env.CMAKE_BUILD_DIR }}"

	- name: Unit tests
	run: \|
	cmake --build "${{ env.CMAKE_BUILD_DIR }}" --target "${{ matrix.ctest-target}}"

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