generate config.h the cmake way #85

	# This is the developer workflow for the wgrib2 project.
	#
	# Kyle Gerheiser, Ed Hartnett
	name: developer
	on:
	push:
	branches:
	- develop
	pull_request:
	branches:
	- develop

	jobs:
	developer:
	runs-on: ubuntu-latest
	env:
	FC: gfortran
	CC: gcc

	steps:

	- name: install
	run: \|
	sudo apt-get update
	sudo apt-get install libnetcdf-dev libnetcdff-dev netcdf-bin pkg-config
	sudo apt-get install libpng-dev autotools-dev autoconf

	- name: checkout-jasper
	uses: actions/checkout@v2
	with:
	repository: jasper-software/jasper
	path: jasper
	ref: version-1.900.1

	- name: build-jasper
	if: steps.cache-jasper.outputs.cache-hit != 'true'
	run: \|
	cd jasper
	./configure --prefix=$HOME/Jasper
	make
	make install

	- name: checkout-sp
	uses: actions/checkout@v2
	with:
	repository: NOAA-EMC/NCEPLIBS-sp
	path: sp
	ref: develop

	- name: build-sp
	run: \|
	cd sp
	mkdir build
	cd build
	cmake -DCMAKE_INSTALL_PREFIX=~/sp -DBUILD_8=ON ..
	make -j2
	make install

	- name: checkout-ip2
	uses: actions/checkout@v2
	with:
	repository: NOAA-EMC/NCEPLIBS-ip2
	path: ip2
	ref: develop

	- name: build-ip2
	run: \|
	cd ip2
	mkdir build
	cd build
	cmake .. -DCMAKE_INSTALL_PREFIX=~/ip2 -DCMAKE_PREFIX_PATH=~
	make -j2
	make install

	- name: checkout
	uses: actions/checkout@v2
	with:
	path: wgrib2

	- name: build
	run: \|
	cd wgrib2
	mkdir b
	cd b
	cmake ..
	make VERBOSE=1
	make test

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