oops, find GTest before abseil #142

	name: build-and-test
	on: [push, workflow_dispatch]
	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install abseil library
	run: \|
	git clone https://github.com/abseil/abseil-cpp.git
	cd abseil-cpp
	mkdir build && cd build
	sudo apt install cmake
	cmake ..
	sudo cmake --build . --target install
	- name: Cache protobuf library
	id: cache-protobuf
	uses: actions/cache@v1
	with:
	path: protobuf
	key: ${{ runner.os }}-protobuf
	- name: Build protobuf library
	if: steps.cache-protobuf.outputs.cache-hit != 'true'
	run: \|
	git clone https://github.com/protocolbuffers/protobuf.git
	cd protobuf
	git submodule update --init --recursive
	cmake . -DCMAKE_CXX_STANDARD=14
	cmake --build .
	- name: Install protobuf library
	if: always()
	run: \|
	cd protobuf
	sudo make install
	sudo ldconfig
	- name: Build and test ADAK
	if: always()
	run: make build-and-test USE_CORES=1
	- uses: actions/upload-artifact@v4
	with:
	name: outputs
	path: build/src/outputs/

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