Add IntelLLVM support & Spack-based CI #64

	name: Build and Test
	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-20.04
	env:
	FC: gfortran-9
	CC: gcc-9

	steps:

	- name: checkout-pfunit
	uses: actions/checkout@v2
	with:
	repository: Goddard-Fortran-Ecosystem/pFUnit
	path: pfunit

	- name: cache-pfunit
	id: cache-pfunit
	uses: actions/cache@v2
	with:
	path: ~/pfunit
	key: pfunit-${{ runner.os }}-${{ hashFiles('pfunit/VERSION') }}

	- name: build-pfunit
	if: steps.cache-pfunit.outputs.cache-hit != 'true'
	run: \|
	cd pfunit
	mkdir build
	cd build
	cmake .. -DSKIP_MPI=YES -DSKIP_ESMF=YES -DSKIP_FHAMCREST=YES -DCMAKE_INSTALL_PREFIX=~/pfunit
	make -j2
	make install

	- name: checkout
	uses: actions/checkout@v2
	with:
	path: sfcio
	submodules: true

	- name: build
	run: \|
	cd sfcio
	mkdir build
	cd build
	cmake .. -DENABLE_TESTS=ON -DCMAKE_PREFIX_PATH="~/pfunit;~/"
	make -j2

	- name: test
	run: \|
	cd $GITHUB_WORKSPACE/sfcio/build
	make test

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