Use gcc-10 in linux workflow #64

	name: build-linux-x86_64

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	build:

	runs-on: ubuntu-20.04

	steps:
	- name: select gcc 10
	run: \|
	sudo update-alternatives \
	--install /usr/bin/gcc gcc /usr/bin/gcc-10 100 \
	--slave /usr/bin/g++ g++ /usr/bin/g++-10 \
	--slave /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-10 \
	--slave /usr/bin/gcc-nm gcc-nm /usr/bin/gcc-nm-10 \
	--slave /usr/bin/gcc-ranlib gcc-ranlib /usr/bin/gcc-ranlib-10 \
	--slave /usr/bin/gcov gcov /usr/bin/gcov-10 \
	--slave /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-10 \
	--slave /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-10
	- uses: actions/checkout@v3
	- name: Install prerequisite
	run: sudo apt-get install ninja-build
	- name: configure
	run: cmake --preset linux-gcc
	- name: make
	run: cmake --build build/linux-gcc

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