ci clang-16: silence "unsafe-buffer-usage" warning #3682

Workflow file for this run

	name: CI

	on:
	push:
	branches-ignore:
	- 'master'
	- 'ci/**'
	- '!ci/gha**'
	pull_request:
	branches:
	- 'master'

	concurrency:
	group: build-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	checkinstall:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 2
	- name: Install APT Dependencies
	run: \|
	sudo apt-get install -y ninja-build ninja-build pipx
	pipx install meson==0.55.0
	- run: \|
	meson setup build --prefix $PWD/install -Dtests=false
	meson install -C build --quiet
	diff <(find simde/ -type f -name ".h") <(cd install/include/; find simde -type f -name ".h" )

	formatting:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 2
	- name: Install pcre2grep
	run: sudo apt-get update && sudo apt-get install -y pcre2-utils
	# Check for trailing whitespace
	- name: Trailing whitespace
	run: find simde/ $ -name '.c' -o -name '.h' $ -exec grep -nP '\s+$' {} + && exit 1 \|\| exit 0
	# We use spaces, not tabs. I don't want to start a holy war here;
	# I don't actually have a strong preference between the two, but I
	# do have a strong preference for consistency, so don't @ me.
	- name: Tabs
	run: find simde/ $ -name '.c' -o -name '.h' $ -exec grep -nP '\t' {} + && exit 1 \|\| exit 0
	# s/8/16/ will result in this if the input is x86.
	- name: Bad substitutions
	run: git grep -i 'x''1''6''6' && exit 1 \|\| exit 0
	- name: Incorrect assertions in test/
	run: grep -PR '(?<=[^a-zA-Z0-9_])simde_assert_u?int(8\|16\|32\|64)(?>[^a-zA-Z0-9_])' test/ && exit 1 \|\| exit 0
	# Check to make sure no source files have the executable bit set
	- name: Executable sources
	run: find $ -name '.c' -o -name '.h' $ -executable \| grep -q '.' && exit 1 \|\| exit 0
	# Make sure neon.h includes all the NEON headers.
	- name: Missing NEON includes
	run: for f in simde/arm/neon/*.h; do grep -q "include \"neon/$(basename "$f")\"" simde/arm/neon.h \|\| (echo "Missing $f" && exit 1); done
	# Make sure sve.h includes all the SVE headers.
	- name: Missing SVE includes
	run: for f in simde/arm/sve/*.h; do grep -q "include \"sve/$(basename "$f")\"" simde/arm/sve.h \|\| (echo "Missing $f" && exit 1); done
	# Make sure msa.h includes all the MSA headers.
	- name: Missing MSA includes
	run: for f in simde/mips/msa/*.h; do grep -q "include \"msa/$(basename "$f")\"" simde/mips/msa.h \|\| (echo "Missing $f" && exit 1); done
	# Make sure we can find the expected header guards. It's easy to miss this when doing C&P
	- name: Header guards
	run: for file in $(find simde// -name '.h'); do grep -q "$(echo "$file" \| tr '[:lower:]' '[:upper:]' \| tr '[:punct:]' '_')" "$file" \|\| (echo "Missing or incorrect header guard in $file" && exit 1); done
	# There should be an empty line at the end of every file
	- name: Newline at EOF
	run: for file in $(find simde -name '*.h'); do if [ -n "$(tail -c 1 "$file")" ]; then echo "No newline at end of $file" && exit 1; fi; done
	# Don't #ifndef ; use !defined(...) instead. ifndef leads to annoying inconsistencies
	- name: ifndef
	run: for file in $(find simde -name '.h'); do grep -qP '^ # *ifndef ' "${file}" && exit 1 \|\| exit 0; done
	# List of headers we want Meson to install
	- name: Meson install headers
	run: for file in $(find simde -name '*.h'); do grep -qF "$(basename "${file}" .h)" meson.build \|\| (echo "${file} missing from top-level meson.build" && exit 1); done
	# Make sure we don't accidentally use `vector ...` instead of SIMDE_POWER_ALTIVEC_VECTOR(...)
	- name: AltiVec raw vector keyword
	run: find simde/ $ -name '.c' -o -name '.h' $ -exec grep -nP 'vector( +)((bool\|signed\|unsigned) +)?(double\|float\|long long\|long\|int\|short\|char)' {} + && exit 1 \|\| exit 0
	# Check indentation of preprocessor directives.
	- name: Preprocessor directive indentation
	run: find simde// -name 'avx.h' -exec pcre2grep -M '{\n#' {} + && exit 1 \|\| exit 0
	- name: Stray `&& 0`
	run: git grep ' && 0' simde/ test/ && exit 1 \|\| exit 0

	gcc:
	strategy:
	fail-fast: false
	matrix:
	include:
	- version: 13
	distro: ubuntu-22.04
	arch_flags: -march=native
	- version: 13
	distro: ubuntu-22.04
	arch_flags: -ffast-math
	ccache: 'true'
	runs-on: ${{ matrix.distro }}
	env:
	CFLAGS: ${{ matrix.arch_flags }} -Wall -Wextra -Werror
	CXXFLAGS: ${{ matrix.arch_flags }} -Wall -Wextra -Werror
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: recursive
	- name: CPU Information
	run: cat /proc/cpuinfo
	- name: Install APT Dependencies
	run: \|
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test
	sudo apt-get update
	sudo apt-get -yq install gcovr python3-pip ninja-build parallel gcc-${{ matrix.version }} g++-${{ matrix.version }}
	sudo apt-get -y purge g++ gcc
	sudo python3 -m pip install meson==0.55.0
	- name: ccache
	uses: hendrikmuhs/[email protected]
	if: ${{ matrix.ccache == 'true' }}
	with:
	key: ${{ github.job }}-${{ matrix.version }}-${{ matrix.distro }}-${{ matrix.arch_flags }}
	- name: add ccache to the build path
	run: \|
	export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
	sudo ln -s /usr/bin/gcc-${{ matrix.version }} /usr/bin/gcc
	sudo ln -s /usr/bin/g++-${{ matrix.version }} /usr/bin/g++
	- name: Configure
	run: meson setup build
	- name: Build
	run: meson compile -C build --verbose
	- name: Test
	run: meson test -C build --print-errorlogs $(meson test -C build --list \| grep -v emul)

	clang-qemu:
	strategy:
	matrix:
	include:
	- version: 16
	cross: armv7
	arch_deb: armhf
	arch_gnu_abi: eabihf
	arch_gnu: arm
	distro: ubuntu-22.04
	- version: 16
	cross: aarch64
	arch_gnu: aarch64
	arch_deb: arm64
	distro: ubuntu-22.04
	- version: 16
	cross: armel
	arch_gnu_abi: eabi
	arch_deb: armel
	arch_gnu: arm
	distro: ubuntu-22.04
	- version: 16
	cross: riscv64
	arch_gnu: riscv64
	arch_deb: riscv64
	distro: ubuntu-22.04
	- version: 16
	cross: s390x
	arch_gnu: s390x
	arch_deb: s390x
	distro: ubuntu-22.04
	- version: 16
	cross: ppc64el
	arch_deb: ppc64el
	arch_gnu: powerpc64le
	distro: ubuntu-22.04
	runs-on: ${{ matrix.distro }}
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: recursive
	- run: sudo apt-get update
	- name: CPU Information
	run: cat /proc/cpuinfo
	- name: Install APT Dependencies
	run: \|
	sudo add-apt-repository ppa:savoury1/virtualisation
	sudo add-apt-repository ppa:savoury1/display
	sudo apt-get update -y
	sudo apt-get -yq install ninja-build parallel \
	binfmt-support clang-${{ matrix.version }} clang++-${{ matrix.version }} \
	qemu-user-static python3-pip libc6-${{ matrix.arch_deb }}-cross libstdc++-12-dev-${{ matrix.arch_deb }}-cross \
	binutils-${{ matrix.arch_gnu }}-linux-gnu${{ matrix.arch_gnu_abi }}
	sudo python3 -m pip install meson==0.55.0
	- name: ccache
	uses: hendrikmuhs/[email protected]
	with:
	key: ${{ github.job }}-${{ matrix.distro }}-${{ matrix.cross }}
	- name: add ccache to the build path
	run: \|
	export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
	- name: Configure
	run: \|
	meson setup --cross-file=docker/cross-files/${{ matrix.cross }}-clang-${{ matrix.version }}-ccache.cross build \
	\|\| (cat build/meson-logs/meson-log.txt ; false)
	- name: Build
	run: ninja -C build -v
	- name: Test
	run: meson test -C build --print-errorlogs --print-errorlogs $(meson test -C build --list \| grep -v emul)

	clang:
	strategy:
	fail-fast: false
	matrix:
	include:
	- version: "16"
	distro: ubuntu-22.04
	arch_flags: -march=native -Wno-unsafe-buffer-usage
	ppa: savoury1/display
	- version: "16"
	distro: ubuntu-22.04
	arch_flags: -ffast-math -Wno-unsafe-buffer-usage
	ccache: 'true'
	ppa: savoury1/display
	runs-on: ${{ matrix.distro }}
	env:
	CFLAGS: ${{ matrix.arch_flags }} -Wall -Weverything -Werror -fno-lax-vector-conversions
	CXXFLAGS: ${{ matrix.arch_flags }} -Wall -Weverything -Werror -fno-lax-vector-conversions
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: recursive
	- name: CPU Information
	run: cat /proc/cpuinfo
	- name: Install APT Dependencies
	run: \|
	sudo add-apt-repository ppa:${{ matrix.ppa }}
	sudo apt-get update
	sudo apt-get -yq install gcovr ninja-build python3-pip clang-${{ matrix.version }}
	sudo python3 -m pip install meson==0.55.0
	sudo rm /usr/bin/gcc /usr/bin/g++ /usr/bin/cc /usr/bin/c++
	sudo ln -s $(command -v clang-${{ matrix.version }}) /usr/bin/cc
	sudo ln -s $(command -v clang-${{ matrix.version }}) /usr/bin/c++
	- name: ccache
	uses: hendrikmuhs/[email protected]
	if: ${{ matrix.ccache == 'true' }}
	with:
	key: ${{ github.job }}-${{ matrix.version }}-${{ matrix.distro }}-${{ matrix.arch_flags }}
	- name: add ccache to the build path
	if: ${{ matrix.ccache == 'true' }}
	run: \|
	export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
	- name: Configure
	run: meson setup build
	- name: Build
	run: meson compile -C build --verbose
	- name: Test
	run: meson test -C build --print-errorlogs $(meson test -C build --list \| grep -v emul)

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ci clang-16: silence "unsafe-buffer-usage" warning #3682

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ci clang-16: silence "unsafe-buffer-usage" warning #3682

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