ci: improvements to igraph build #8

	name: Build and test

	on: [push, pull_request]

	env:
	ASAN_OPTIONS: detect_stack_use_after_return=1:detect_leaks=1:color=always
	UBSAN_OPTIONS: print_stacktrace=1:color=always
	CCACHE_DIR: ${{ github.workspace }}/ccache
	CCACHE_MAXSIZE: 128M
	IGRAPH_VERSION: 0.10.13

	jobs:
	build:
	runs-on: ubuntu-24.04

	steps:
	- name: Install igraph dependencies
	run: sudo apt-get install ccache libglpk-dev libarpack2-dev

	- name: Build igraph
	run: \|
	cd $GITHUB_WORKSPACE
	wget https://github.com/igraph/igraph/releases/download/$IGRAPH_VERSION/igraph-$IGRAPH_VERSION.tar.gz
	tar xfz igraph-$IGRAPH_VERSION.tar.gz
	cd igraph-$IGRAPH_VERSION
	mkdir build && cd build
	cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/local -DBUILD_SHARED_LIBS=ON -DUSE_SANITIZER=Address -DCMAKE_BUILD_TYPE=Debug
	cmake --build . --parallel
	cmake --install .

	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Create build environment
	run: cmake -E make_directory ${{github.workspace}}/build

	- name: Configuration
	working-directory: ${{github.workspace}}/build
	run: \|
	cmake .. -DCMAKE_PREFIX_PATH=$HOME/local -DCMAKE_CXX_FLAGS="-fsanitize=address -fsanitize=undefined -g -fno-omit-frame-pointer"

	- name: Build
	working-directory: ${{github.workspace}}/build
	run: cmake --build . --parallel

	- name: Test
	run: ctest -j $(nproc) --output-on-failure --timeout 180
	working-directory: ${{github.workspace}}/build

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