Add PIPECG reference implementation #63

	name: OnSyncPR-ABI

	on:
	pull_request_target:
	types: [opened,synchronize]
	paths-ignore:
	- 'doc/**'

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
	cancel-in-progress: true

	jobs:
	abidiff:
	runs-on: ubuntu-latest
	if: github.event.pull_request.author_association == 'COLLABORATOR' \|\| github.event.pull_request.author_association == 'MEMBER' \|\| github.event.pull_request.author_association == 'OWNER'
	env:
	CMAKE_FLAGS: -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=DEBUG -DGINKGO_BUILD_TESTS=OFF -DGINKGO_BUILD_EXAMPLES=OFF -DGINKGO_BUILD_BENCHMARKS=OFF -DGINKGO_BUILD_HWLOC=OFF -DGINKGO_BUILD_REFERENCE=OFF -DGINKGO_BUILD_OMP=OFF -DGINKGO_BUILD_CUDA=OFF -DGINKGO_BUILD_HIP=OFF -DGINKGO_BUILD_SYCL=OFF
	steps:
	- name: Checkout the new code (shallow clone)
	uses: actions/checkout@v4
	with:
	path: new
	ref: ${{ github.event.pull_request.head.ref }}
	- name: Checkout the old code (shallow clone)
	uses: actions/checkout@v4
	with:
	path: old
	ref: ${{ github.event.pull_request.base.ref }}
	- name: Install abidiff
	run: sudo apt-get install abigail-tools
	- name: Build both libraries
	run: \|
	mkdir build-new
	mkdir build-old
	cmake -B build-new new ${{ env.CMAKE_FLAGS }}
	cmake -B build-old old ${{ env.CMAKE_FLAGS }}
	cmake --build build-new -j`nproc`
	cmake --build build-old -j`nproc`
	- name: Compute abidiff
	env:
	GITHUB_TOKEN: ${{ secrets.BOT_TOKEN }}
	run: old/.github/abidiff.sh
	- name: Upload ABI diff
	if: failure()
	uses: actions/upload-artifact@v4
	with:
	name: abi
	path: abi.diff

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