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workflows: Add job to check for ABI changes in libclang.so and libcla…
…ng-cpp.so
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name: libclang ABI Tests | ||
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on: | ||
push: | ||
branches: | ||
- 'release/**' | ||
paths: | ||
- 'clang/**' | ||
- '.github/workflows/libclang-abi-tests.yml' | ||
pull_request: | ||
paths: | ||
- 'clang/**' | ||
- '.github/workflows/libclang-abi-tests.yml' | ||
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jobs: | ||
abi-dump-setup: | ||
runs-on: ubuntu-latest | ||
outputs: | ||
BASELINE_REF: ${{ steps.vars.outputs.BASELINE_REF }} | ||
ABI_HEADERS: ${{ steps.vars.outputs.ABI_HEADERS }} | ||
ABI_LIBS: ${{ steps.vars.outputs.ABI_LIBS }} | ||
BASELINE_VERSION_MAJOR: ${{ steps.vars.outputs.BASELINE_VERSION_MAJOR }} | ||
LLVM_VERSION_MAJOR: ${{ steps.version.outputs.LLVM_VERSION_MAJOR }} | ||
LLVM_VERSION_MINOR: ${{ steps.version.outputs.LLVM_VERSION_MINOR }} | ||
LLVM_VERSION_PATCH: ${{ steps.version.outputs.LLVM_VERSION_PATCH }} | ||
steps: | ||
- name: Checkout source | ||
uses: actions/checkout@v1 | ||
with: | ||
fetch-depth: 1 | ||
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- name: Get LLVM version | ||
id: version | ||
uses: llvm/actions/get-llvm-version@main | ||
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- name: Setup Variables | ||
id: vars | ||
run: | | ||
if [ ${{ steps.version.outputs.LLVM_VERSION_MINOR }} -ne 0 -o ${{ steps.version.outputs.LLVM_VERSION_PATCH }} -eq 0 ]; then | ||
echo ::set-output name=BASELINE_VERSION_MAJOR::$(( ${{ steps.version.outputs.LLVM_VERSION_MAJOR }} - 1)) | ||
echo ::set-output name=ABI_HEADERS::clang-c | ||
echo ::set-output name=ABI_LIBS::libclang.so | ||
else | ||
echo ::set-output name=BASELINE_VERSION_MAJOR::${{ steps.version.outputs.LLVM_VERSION_MAJOR }} | ||
echo ::set-output name=ABI_HEADERS::. | ||
echo ::set-output name=ABI_LIBS::libclang.so libclang-cpp.so | ||
fi | ||
abi-dump: | ||
needs: abi-dump-setup | ||
runs-on: ubuntu-latest | ||
strategy: | ||
matrix: | ||
name: | ||
- build-baseline | ||
- build-latest | ||
include: | ||
- name: build-baseline | ||
llvm_version_major: ${{ needs.abi-dump-setup.outputs.BASELINE_VERSION_MAJOR }} | ||
ref: llvmorg-${{ needs.abi-dump-setup.outputs.BASELINE_VERSION_MAJOR }}.0.0 | ||
repo: llvm/llvm-project | ||
- name: build-latest | ||
llvm_version_major: ${{ needs.abi-dump-setup.outputs.LLVM_VERSION_MAJOR }} | ||
ref: ${{ github.sha }} | ||
repo: ${{ github.repository }} | ||
steps: | ||
- name: Install Ninja | ||
uses: llvm/actions/install-ninja@main | ||
- name: Install abi-compliance-checker | ||
run: | | ||
sudo apt-get install abi-dumper autoconf pkg-config | ||
- name: Install universal-ctags | ||
run: | | ||
git clone https://github.com/universal-ctags/ctags.git | ||
cd ctags | ||
./autogen.sh | ||
./configure | ||
sudo make install | ||
- name: Download source code | ||
uses: llvm/actions/get-llvm-project-src@main | ||
with: | ||
ref: ${{ matrix.ref }} | ||
repo: ${{ matrix.repo }} | ||
- name: Configure | ||
run: | | ||
mkdir install | ||
cmake -B build -S llvm -G Ninja -DLLVM_ENABLE_PROJECTS=clang -DCMAKE_BUILD_TYPE=Debug -DLLVM_TARGETS_TO_BUILD="" -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON -DCMAKE_C_FLAGS_DEBUG="-g -Og" -DCMAKE_CXX_FLAGS_DEBUG="-g -Og" -DCMAKE_INSTALL_PREFIX=`pwd`/install llvm | ||
- name: Build | ||
run: ninja -C build/ ${{ needs.abi-dump-setup.outputs.ABI_LIBS }} install-clang-headers | ||
- name: Dump ABI | ||
run: | | ||
parallel abi-dumper -lver ${{ matrix.ref }} -skip-cxx -public-headers ./install/include/${{ needs.abi-dump-setup.outputs.ABI_HEADERS }} -o {}-${{ matrix.ref }}.abi ./build/lib/{} ::: ${{ needs.abi-dump-setup.outputs.ABI_LIBS }} | ||
for lib in ${{ needs.abi-dump-setup.outputs.ABI_LIBS }}; do | ||
# Remove symbol versioning from dumps, so we can compare across major versions. | ||
sed -i 's/LLVM_${{ matrix.llvm_version_major }}/LLVM_NOVERSION/' $lib-${{ matrix.ref }}.abi | ||
tar -czf $lib-${{ matrix.ref }}.abi.tar.gz $lib-${{ matrix.ref }}.abi | ||
done | ||
- name: Upload ABI file | ||
uses: actions/upload-artifact@v2 | ||
with: | ||
name: ${{ matrix.name }} | ||
path: "*${{ matrix.ref }}.abi.tar.gz" | ||
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abi-compare: | ||
runs-on: ubuntu-latest | ||
needs: | ||
- abi-dump-setup | ||
- abi-dump | ||
steps: | ||
- name: Download baseline | ||
uses: actions/download-artifact@v1 | ||
with: | ||
name: build-baseline | ||
- name: Download latest | ||
uses: actions/download-artifact@v1 | ||
with: | ||
name: build-latest | ||
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- name: Install abi-compliance-checker | ||
run: sudo apt-get install abi-compliance-checker | ||
- name: Compare ABI | ||
run: | | ||
for lib in ${{ needs.abi-dump-setup.outputs.ABI_LIBS }}; do | ||
abi-compliance-checker -lib $lib -old build-baseline/$lib*.abi.tar.gz -new build-latest/$lib*.abi.tar.gz | ||
done | ||
- name: Upload ABI Comparison | ||
if: always() | ||
uses: actions/upload-artifact@v2 | ||
with: | ||
name: compat-report-${{ github.sha }} | ||
path: compat_reports/ | ||
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