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|
name: Check for ABI breaks
on:
push:
branches-ignore:
- abi-break
pull_request:
branches-ignore:
- abi-break
jobs:
run-abidiff:
name: Compare ABIs
runs-on: ubuntu-22.04
container:
image: ghcr.io/managarm/mlibc-crossers:latest
defaults:
run:
shell: bash
steps:
- name: Install prerequisites
run: |
apt-get update
apt-get install -y ninja-build qemu-user \
python3-setuptools python3-jsonschema \
python3-pip abigail-tools
pip install --break-system-packages -U xbstrap pyexpect meson
- name: Checkout base branch
if: ${{ github.base_ref }}
uses: actions/checkout@v2
with:
path: mlibc-base
ref: ${{ github.base_ref }}
submodules: true
fetch-depth: 4
- name: Checkout managarm/mlibc#master
if: ${{ github.base_ref == '' }}
uses: actions/checkout@v2
with:
path: mlibc-base
repository: managarm/mlibc
submodules: true
ref: master
fetch-depth: 4
- name: Checkout branch
uses: actions/checkout@v2
with:
path: mlibc-branch
submodules: true
- name: Determine base ref
run: |
master_hash="$(git -C mlibc-base rev-parse HEAD)"
branch_hash="$(git -C mlibc-branch rev-parse HEAD)"
printf '%s\n' "$master_hash" "$branch_hash"
if [ "$master_hash" = "$branch_hash" ]; then
git -C mlibc-base reset --hard HEAD^
fi
- name: Set up linux kernel headers
run: |
set -x
mkdir -p linux-headers-base/{src,build}
cp mlibc-base/ci/bootstrap.yml linux-headers-base/src/
(
cd linux-headers-base/build
xbstrap init ../src
xbstrap install linux-headers
)
mkdir -p linux-headers-branch/{src,build}
cp mlibc-branch/ci/bootstrap.yml linux-headers-branch/src/
(
cd linux-headers-branch/build
xbstrap init ../src
xbstrap install linux-headers
)
cat > linux-headers-base/build/bootstrap-site.yml << EOF
define_options:
arch: ${{matrix.arch}}
EOF
cp linux-headers-base/build/bootstrap-site.yml linux-headers-branch/build/bootstrap-site.yml
- name: Build and install both copies
run: |
set -xe
mkdir root-base root-branch
cat > linux-x86_64.cross-file <<-EOF
[binaries]
c = ['x86_64-linux-mlibc-gcc']
cpp = ['x86_64-linux-mlibc-g++']
[host_machine]
system = 'linux'
cpu_family = 'x86_64'
cpu = 'x86_64'
endian = 'little'
EOF
(
cd mlibc-branch
meson setup \
--cross-file=../linux-x86_64.cross-file \
--buildtype=debugoptimized \
-Dlinux_kernel_headers=$GITHUB_WORKSPACE/linux-headers-branch/build/packages/linux-headers/usr/include \
build
ninja -C build
DESTDIR="$GITHUB_WORKSPACE/root-branch" ninja -C build install
)
(
cd mlibc-base
meson setup \
--cross-file=../linux-x86_64.cross-file \
--buildtype=debugoptimized \
-Dlinux_kernel_headers=$GITHUB_WORKSPACE/linux-headers-branch/build/packages/linux-headers/usr/include \
build
ninja -C build
DESTDIR="$GITHUB_WORKSPACE/root-base" ninja -C build install
)
- name: Compare
run: |
# TODO(arsen): does this require handling for version suffixes?
set -e +x
exec 2>&1 # work around GHA foolishly decoupling stdout and stderr
exitcode=0
git -C mlibc-branch show -s --format=%s | grep -q abi-break || \
exitcode=1
echo ==== RUNNING ABIDIFF... ====
( cd root-base; find . -type f -name '*.so'; ) | while read -r file
do
if ! file -- root-{base,branch}/"$file"; then
touch files-differ
continue
fi
abidiff \
--no-added-syms \
--suppr mlibc-branch/ci/abidiff_suppress.ini \
--hd1 root-base/usr/local/include/ \
--hd2 root-branch/usr/local/include/ \
root-{base,branch}/"$file" \
|| touch files-differ
done
echo ==== CHECKING FOR EXTRA FILES... ====
( cd root-branch; find . -type f -name '*.so'; ) | while read -r file
do
[ -e "root-base/$file" ] || file root-{base,branch}/"$file" \
|| touch files-differ
done
if [ -e files-differ ]; then
echo SOME FILES/ABI DIFFER, SEE OUTPUT ABOVE
exit "$exitcode"
fi
|
