Update to minimum MacOS version 12 per SAM #1745 #244

	name: CI

	on:
	push:
	pull_request:

	jobs:
	build-on-ubuntu:
	runs-on: ubuntu-latest
	steps:
	- name: Setup cmake
	uses: jwlawson/actions-setup-cmake@v1.12
	with:
	cmake-version: '3.24.x'
	- name: Test cmake version
	run: cmake --version
	- name: Install OS dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y \
	build-essential \
	freeglut3-dev \
	g++ \
	libcurl4-openssl-dev \
	libfontconfig-dev \
	libgl1-mesa-dev \
	libgtk2.0-dev \
	mesa-common-dev \
	unzip
	- name: Get GCC version
	run: gcc --version
	- name: Get libc version
	run: ldd --version

	- name: Install wxWidgets
	run: \|
	sudo apt-get install -y libwxgtk*-dev
	sudo ln -s $(which wx-config) /usr/local/bin/wx-config-3
	wx-config-3 --cflags \| grep I

	- name: Checkout
	uses: actions/checkout@v2

	- name: Build LK
	run: \|
	cmake -Bbuild_linux -DCMAKE_BUILD_TYPE=Debug
	cmake --build build_linux -- -j

	- name: Save static lib & lksandbox
	uses: actions/upload-artifact@v2
	with:
	name: LK-${{ env.RUNS_ON }}-x86_64
	path: \|
	build_linux/lk_sandbox*
	build_linux/lk*.a

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