cmake: simplify generator expression #55

	name: amd64 Linux

	on: [push, pull_request, workflow_dispatch]

	jobs:
	# Building using the github runner environement directly.
	linux:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	build: [
	["Unix Makefiles", "Release"],
	["Ninja", "Release"],
	["Ninja Multi-Config", "Release"]
	]
	fail-fast: false
	env:
	GENERATOR: ${{ matrix.build[0] }}
	BUILD_TYPE: ${{ matrix.build[1] }}
	steps:
	- uses: actions/checkout@v3
	- name: Install Ninja
	run: \|
	sudo apt-get update
	sudo apt-get install ninja-build
	- name: Uninstall preinstalled swig3.0
	run: \|
	swig -version;
	sudo apt remove -y swig swig3.0
	- name: Install SWIG 4.0.2
	run: \|
	wget "https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz" -O swig-4.0.2.tar.gz;
	tar xvf swig-4.0.2.tar.gz;
	rm swig-4.0.2.tar.gz;
	cd swig-4.0.2;
	./autogen.sh;
	./configure --prefix=/usr;
	make -j8;
	sudo make install;
	cd ..;
	rm -rf swig-4.0.2;
	- name: Check swig
	run: swig -version
	- name: Check cmake
	run: cmake --version
	- name: Configure
	run: cmake -S. -Bbuild -G "$GENERATOR" -DCMAKE_BUILD_TYPE="$BUILD_TYPE" -DCMAKE_INSTALL_PREFIX=install
	- name: Build
	run: cmake --build build --config "$BUILD_TYPE" --target all -v
	- name: Test
	run: CTEST_OUTPUT_ON_FAILURE=1 cmake --build build --config "$BUILD_TYPE" --target test -v
	- name: Install
	run: cmake --build build --config "$BUILD_TYPE" --target install -v

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