Update readme.md (fix for #78) #119

	name: Linux Build

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:
	name: ${{matrix.cxx}}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	cxx:
	- g++-10
	- g++-11
	- g++-12
	- clang++-12
	- clang++-13
	- clang++-14
	include:
	- cxx: g++-10
	compiler: g++-10
	- cxx: g++-11
	compiler: g++-11
	- cxx: g++-12
	compiler: g++-12
	- cxx: clang++-12
	compiler: clang++-12
	- cxx: clang++-13
	compiler: clang++-13
	- cxx: clang++-14
	compiler: clang++-14
	env:
	CXX: ${{matrix.cxx}}
	CMAKE_PREFIX_PATH: ${{github.workspace}}/.local
	steps:
	- uses: actions/checkout@v2

	- name: Prepare compiler
	run: sudo apt-get install -y ${{matrix.compiler}}

	- name: Install catch2
	run: \|
	git clone --branch v2.x https://github.com/catchorg/Catch2
	cmake -S Catch2 -B Catch2/build -DBUILD_TESTING=OFF -DCMAKE_INSTALL_PREFIX=$CMAKE_PREFIX_PATH
	cmake --build Catch2/build --target install

	- name: Configure CMake
	run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release

	- name: Build
	run: cmake --build build

	- name: Test
	run: cmake --build build --target test

	- name: Install
	run: cmake --install build --prefix $CMAKE_PREFIX_PATH

	- name: Configure CMake for examples
	run: cmake -S examples -B examples/build -DCMAKE_BUILD_TYPE=Release

	- name: Build examples
	run: cmake --build examples/build

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