CI #6

Workflow file for this run

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	schedule:
	- cron: '0 4 * * 1' # Weekly: Monday 04:00 UTC

	jobs:
	# ── Build matrix ─────────────────────────────────────────────────────────────
	build-and-test:
	name: ${{ matrix.name }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	include:
	# Linux / GCC
	- name: "Linux GCC Debug"
	os: ubuntu-24.04
	cc: gcc-14
	cxx: g++-14
	build_type: Debug

	- name: "Linux GCC Release"
	os: ubuntu-24.04
	cc: gcc-14
	cxx: g++-14
	build_type: Release

	# Linux / Clang
	- name: "Linux Clang Debug"
	os: ubuntu-24.04
	cc: clang-18
	cxx: clang++-18
	build_type: Debug

	- name: "Linux Clang Release"
	os: ubuntu-24.04
	cc: clang-18
	cxx: clang++-18
	build_type: Release

	# macOS / AppleClang
	- name: "macOS Debug"
	os: macos-14
	cc: clang
	cxx: clang++
	build_type: Debug

	- name: "macOS Release"
	os: macos-14
	cc: clang
	cxx: clang++
	build_type: Release

	# Windows / MSVC
	- name: "Windows Debug"
	os: windows-2022
	build_type: Debug

	- name: "Windows Release"
	os: windows-2022
	build_type: Release

	steps:
	- uses: actions/checkout@v4

	- name: Install GCC 14 (Linux)
	if: runner.os == 'Linux' && startsWith(matrix.cxx, 'g++')
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y gcc-14 g++-14

	- name: Install Clang 18 (Linux)
	if: runner.os == 'Linux' && startsWith(matrix.cxx, 'clang++')
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y clang-18

	# Cache FetchContent downloads (GTest) to avoid re-downloading on every run.
	- name: Cache CMake dependencies
	uses: actions/cache@v4
	with:
	path: build/_deps
	key: deps-${{ runner.os }}-${{ matrix.cxx }}-${{ hashFiles('tests/CMakeLists.txt') }}
	restore-keys: deps-${{ runner.os }}-${{ matrix.cxx }}-

	- name: Configure (non-Windows)
	if: runner.os != 'Windows'
	env:
	CC: ${{ matrix.cc }}
	CXX: ${{ matrix.cxx }}
	run: \|
	cmake -B build \
	-DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
	-DONPAIR_BUILD_TESTS=ON

	- name: Configure (Windows)
	if: runner.os == 'Windows'
	run: \|
	cmake -B build `
	-DONPAIR_BUILD_TESTS=ON

	- name: Build
	run: cmake --build build --config ${{ matrix.build_type }} --parallel

	- name: Test
	run: ctest --test-dir build --build-config ${{ matrix.build_type }} --output-on-failure --parallel 4

	# ── Performance configuration (LTO + native arch) ───────────────────────────
	#
	# The default portability matrix above never exercises the configuration that
	# real benchmark users will run (-DONPAIR_ENABLE_LTO=ON -DONPAIR_NATIVE_ARCH=ON).
	# This dedicated job keeps that path green: it catches code that builds in the
	# portable configuration but breaks under aggressive inlining or LTO link-time
	# whole-program analysis. -march=native is safe within a single CI job because
	# build and test execute on the same runner (no cross-machine binary reuse).
	perf-build:
	name: "Linux Clang Release + LTO + native"
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4

	- name: Install Clang 18
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y clang-18

	- name: Cache CMake dependencies
	uses: actions/cache@v4
	with:
	path: build_perf/_deps
	key: deps-perf-${{ hashFiles('tests/CMakeLists.txt') }}

	- name: Configure
	env:
	CC: clang-18
	CXX: clang++-18
	run: \|
	cmake -B build_perf \
	-DCMAKE_BUILD_TYPE=Release \
	-DONPAIR_BUILD_TESTS=ON \
	-DONPAIR_ENABLE_LTO=ON \
	-DONPAIR_NATIVE_ARCH=ON

	- name: Build
	run: cmake --build build_perf --parallel

	- name: Test
	run: ctest --test-dir build_perf --output-on-failure --parallel 4

	# ── Sanitizers ───────────────────────────────────────────────────────────────
	sanitizers:
	name: ${{ matrix.name }}
	runs-on: ubuntu-24.04
	strategy:
	fail-fast: false
	matrix:
	include:
	- name: "ASan + UBSan"
	flags: "-fsanitize=address,undefined -fno-omit-frame-pointer"
	env: "ASAN_OPTIONS=detect_leaks=0 UBSAN_OPTIONS=halt_on_error=1:print_stacktrace=1"

	- name: "TSan"
	flags: "-fsanitize=thread"
	env: "TSAN_OPTIONS=halt_on_error=1"

	steps:
	- uses: actions/checkout@v4

	- name: Install Clang 18
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y clang-18

	- name: Cache CMake dependencies
	uses: actions/cache@v4
	with:
	path: build_san/_deps
	key: deps-san-${{ matrix.name }}-${{ hashFiles('tests/CMakeLists.txt') }}

	- name: Configure
	env:
	CC: clang-18
	CXX: clang++-18
	run: \|
	cmake -B build_san \
	-DCMAKE_BUILD_TYPE=Debug \
	-DONPAIR_BUILD_TESTS=ON \
	-DCMAKE_CXX_FLAGS="${{ matrix.flags }}" \
	-DCMAKE_EXE_LINKER_FLAGS="${{ matrix.flags }}"

	- name: Build
	run: cmake --build build_san --parallel

	- name: Test
	run: \|
	${{ matrix.env }} ctest --test-dir build_san --output-on-failure --parallel 4

	# ── Coverage (merge to main only) ────────────────────────────────────────────
	coverage:
	name: "Code Coverage"
	runs-on: ubuntu-24.04
	if: github.event_name == 'push' && github.ref == 'refs/heads/main'
	steps:
	- uses: actions/checkout@v4

	- name: Install dependencies
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y gcc-14 g++-14 lcov

	- name: Cache CMake dependencies
	uses: actions/cache@v4
	with:
	path: build_cov/_deps
	key: deps-cov-${{ hashFiles('tests/CMakeLists.txt') }}

	- name: Configure
	env:
	CC: gcc-14
	CXX: g++-14
	run: \|
	cmake -B build_cov \
	-DCMAKE_BUILD_TYPE=Debug \
	-DONPAIR_BUILD_TESTS=ON \
	-DCMAKE_CXX_FLAGS="--coverage -O0" \
	-DCMAKE_EXE_LINKER_FLAGS="--coverage"

	- name: Build
	run: cmake --build build_cov --parallel

	- name: Test
	run: ctest --test-dir build_cov --output-on-failure --parallel 4

	- name: Generate coverage report
	run: \|
	lcov --gcov-tool gcov-14 --capture --directory build_cov --output-file coverage.info --ignore-errors mismatch
	lcov --remove coverage.info \
	'/googletest/' '/gtest/' '/tests/' '/usr/*' \
	--output-file coverage_filtered.info --ignore-errors mismatch,unused
	lcov --list coverage_filtered.info

	- name: Upload to Codecov
	uses: codecov/codecov-action@v4
	with:
	files: coverage_filtered.info
	fail_ci_if_error: false

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CI #6

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CI #6

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