CMake: Check for third party libraries using pkgconfig #178

# to view logs

	name: Test Make build

	on: [push, pull_request]

	jobs:
	build:
	name:
	Make
	strategy:
	fail-fast: false
	matrix:
	cc: [gcc, clang]
	make_flags: ["",
	"USE_STANDARD_TMPFILE=1",
	"USE_SYSTEM_MINIZIP=1",
	"USE_DTOA_LIBRARY=1",
	"USE_NO_MD5=1",
	"USE_OPENSSL_MD5=1",
	"USE_MEM_FILE=1"]
	runs-on: ubuntu-latest
	env:
	CC: ${{ matrix.cc }}
	CXX: ${{ matrix.cc }}
	CFLAGS: '-Werror'

	steps:
	- uses: actions/checkout@v2

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	sudo apt update
	sudo apt-get -y install zlib1g-dev
	sudo apt-get -y install libminizip-dev
	sudo apt-get -y install libssl-dev
	sudo apt-get -y install valgrind

	- name: make
	run: ${{ matrix.make_flags }} make V=1

	- name: test unit
	run: ${{ matrix.make_flags }} make test_unit V=1

	- name: test functional
	run: ${{ matrix.make_flags }} make test_functional V=1 -j

	- name: test cpp
	run: ${{ matrix.make_flags }} make test_cpp V=1

	- name: test examples
	run: ${{ matrix.make_flags }} make examples V=1

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