Silence unused returned value warning #497

	# SPDX-FileCopyrightText: 2025 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
	#
	# SPDX-License-Identifier: MIT

	# Test on macOS with some dependencies provided externally by Homebrew.
	# Both to validate the CMake setup for using system dependencies and to have early warning
	# about incompatible changes in some fast-moving external libraries.
	name: Build against external 3rdparty

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: true
	matrix:
	os:
	- macos-latest
	shared:
	- ON
	- OFF

	steps:
	- name: Checkout sources
	uses: actions/checkout@v4

	- name: Install dependencies
	run: \|
	(brew list cmake > /dev/null && brew uninstall cmake) # Workaround for https://github.com/actions/runner-images/issues/12912
	# We remove the pinned CMake if it's installed so commands below can succeed
	# TODO: remove when not needed anymore
	brew tap KDAB/tap
	brew install doctest fmt spdlog KDBindings mosquitto

	- name: Configure project
	run: >
	cmake -S . -B ./build -DCMAKE_BUILD_TYPE=Debug -G Ninja
	-DKDUTILS_BUILD_TESTS=ON
	-DKDUTILS_USE_EXTERNAL_DEPENDENCIES=ON
	-DBUILD_SHARED_LIBS=${{ matrix.shared }}

	- name: Check if external dependencies were used
	run: \|
	! grep -q "KDBindings_DIR-NOTFOUND" ./build/CMakeCache.txt
	! grep -q "spdlog_DIR-NOTFOUND" ./build/CMakeCache.txt
	! grep -q "fmt_DIR-NOTFOUND" ./build/CMakeCache.txt

	- name: Build Project
	run: cmake --build ./build

	- name: Run tests
	run: ctest --test-dir ./build --output-on-failure

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