Github workflows cleaned up pt2 #11

	name: Ubuntu - Build Examples
	on: [push, pull_request]
	jobs:
	build:
	name: Ubuntu - Build Examples
	runs-on: ubuntu-latest
	steps:
	- name: Download source
	uses: actions/checkout@v2
	- name: Install Crystal
	uses: oprypin/install-crystal@v1
	- name: Install Crystal libs
	run: shards install
	- name: Compile miniaudiohelpers.o
	run: gcc -c -fPIC rsrc/miniaudio-tests/miniaudiohelpers.c -o rsrc/miniaudio-tests/miniaudiohelpers.o
	- name: Compile libminiaudiohelpers.so
	run: sudo gcc rsrc/miniaudio-tests/miniaudiohelpers.o -shared -o /usr/local/lib/libminiaudiohelpers.so -lm
	- name: Install miniaudiohelpers 1
	run: sudo cp /usr/local/lib/libminiaudiohelpers.so /usr/lib/libminiaudiohelpers.so
	- name: Install miniaudiohelpers 2
	run: sudo ln -s /usr/lib/libminiaudiohelpers.so /lib/miniaudiohelpers.so
	- name: Install raylib
	run: git clone https://github.com/raysan5/raylib
	- name: mk build dir
	run: mkdir raylib/build
	- name: install raylib deps
	run: sudo apt install libasound2-dev libx11-dev libxrandr-dev libxi-dev libgl1-mesa-dev libglu1-mesa-dev libxcursor-dev libxinerama-dev
	- name: cmake 1
	run: cmake raylib -DBUILD_SHARED_LIBS=ON -B raylib/build
	- name: cmake 2
	run: cmake --build raylib/build
	- name: make install raylib
	run: sudo make install -C raylib/build
	- name: Install raylib 1
	run: sudo cp /usr/local/lib/libraylib.so.4.5.0 /usr/lib/libraylib.so.450
	- name: Install raylib 2
	run: sudo ln -s /usr/lib/libraylib.so.450 /lib/raylib.so
	- name: Build examples
	run: crystal run rsrc/build-examples/build.cr

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