add explicit usage warning [skip ci] #1015

	name: Tests using distributions with OpenSSL3 binaries

	on:
	push:
	branches: [ '*' ]
	pull_request:
	branches: [ "main" ]

	jobs:
	coding_style_tests:
	uses: ./.github/workflows/coding_style.yml
	standalone_macos_intel:
	needs: [coding_style_tests]
	runs-on: macos-13
	strategy:
	fail-fast: false
	steps:
	- name: Install prerequisites
	run: brew install liboqs
	- name: Checkout oqsprovider code
	uses: actions/checkout@v2
	- name: Build and test oqsprovider
	# try this only if brew'd liboqs knows about ML-KEM:
	run: \|
	bash -c 'FIND_MLKEM=`brew info liboqs \| grep files \| awk "{print $1}"`
	if [[ `echo $FIND_MLKEM \| grep ML_KEM` ]]; then
	cmake -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl@3 -S . -B _build && cmake --build _build && ctest --parallel 5 --test-dir _build
	else
	echo "ML-KEM not present in liboqs. Skipping test."
	fi'

	standalone_linux_intel:
	needs: [coding_style_tests]
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- name: ubuntu-latest
	container: ubuntu:latest
	container:
	image: ${{ matrix.container }}
	env:
	MAKE_PARAMS: "-j 18"
	steps:
	- name: Update container
	run: apt update && apt install -y cmake ninja-build gcc libssl-dev git
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Full build
	run: LIBOQS_BRANCH=main ./scripts/fullbuild.sh
	- name: Test
	run: ./scripts/runtests.sh -V

Provide feedback