readme: added autobuild status #6

	name: GNU/Linux build

	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install libx11-dev libgl1-mesa-dev libglu1-mesa-dev

	- name: configure
	run: ./configure

	- name: build
	run: make

	- name: build examples
	run: make examples

	- name: stage install
	run: \|
	DESTDIR=libspnav-gnulinux make install
	mkdir libspnav-gnulinux/examples
	cp examples/simple/simple_af_unix libspnav-gnulinux/examples
	cp examples/simple/simple_x11 libspnav-gnulinux/examples
	cp examples/cube/cube libspnav-gnulinux/examples
	cp examples/fly/fly libspnav-gnulinux/examples

	- uses: actions/upload-artifact@v4
	with:
	name: libspnav-gnulinux
	path: libspnav-gnulinux

	build-nox11:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install libx11-dev libgl1-mesa-dev libglu1-mesa-dev

	- name: configure
	run: ./configure --disable-x11

	- name: build
	run: make

	- name: build examples
	run: \|
	make -C examples/simple simple_af_unix
	make -C examples/fly

	- name: stage install
	run: \|
	DESTDIR=libspnav-gnulinux-nox11 make install
	mkdir libspnav-gnulinux-nox11/examples
	cp examples/simple/simple_af_unix libspnav-gnulinux-nox11/examples
	cp examples/fly/fly libspnav-gnulinux-nox11/examples

	- uses: actions/upload-artifact@v4
	with:
	name: libspnav-gnulinux-nox11
	path: libspnav-gnulinux-nox11


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