Add CI for building on linux #5

	name: CI-Linux
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build-linux:
	name: build on ubuntu
	runs-on: ubuntu-latest
	strategy:
	matrix:
	openssl: [true, false]
	gcc-version: [5, 7]

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Setup environment
	run: \|
	if [ {{ matrix.openssl }} = "true" ]; then
	sudo apt-get install -y libssl-dev
	fi
	- name: Install libuv
	run: \|
	apt-get install -y wget pkg-config
	wget -q -O libuv-v1.49.2.tar.gz https://dist.libuv.org/dist/v1.26.0/libuv-v1.26.0.tar.gz
	tar xf libuv-v1.49.2.tar.gz
	cd libuv-v1.49.2
	mkdir -p build
	cd build
	cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local
	make install
	- name: Install googletest
	run: \|
	wget -q -O googletest-release-1.15.2.tar.gz googletest-1.15.2.tar.gz
	tar xf googletest-release-1.15.2.tar.gz
	cd googletest-release-1.15.2
	mkdir -p build
	cd build
	cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local
	make install
	- name: Build
	run: \|
	export CC=gcc-${{ matrix.gcc-version }}
	export CXX=g++-${{ matrix.gcc-version }}
	mkdir -p build
	cd build
	cmake ../ -DCMAKE_VERBOSE_MAKEFILE=ON -DBUILD_TEST=ON
	- name: Test
	run: \|
	build/gloo/test/gloo_test

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