161 lines
6.2 KiB
YAML
161 lines
6.2 KiB
YAML
name: CI-wasm
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# Builds the Magic WebAssembly target on every push and pull request.
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# When the VERSION file changes on the default branch, the package is
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# additionally published to GitHub Packages (npm.pkg.github.com) as
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# @<owner>/magic-vlsi-wasm — no manual tag or token required.
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# Tim Edwards updates VERSION to trigger a new release; the scope resolves
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# automatically to the repo owner, so forks publish under their own namespace.
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#
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# WASM is architecture-independent — built once on x86-64, usable everywhere.
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on:
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push:
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pull_request:
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workflow_dispatch:
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inputs:
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emsdk_version:
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description: 'emsdk version to build with (default: latest; pin a version number to bisect)'
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type: string
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default: 'latest'
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dry_run:
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description: 'Dry run: pack only, do not publish even on tag pushes'
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type: boolean
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default: true
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# actions/upload-artifact@v5 still runs on Node.js 20. Force Node 24 to
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# silence the deprecation warning until upload-artifact ships a Node-24
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# release. Drop this once upgraded.
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env:
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FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
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permissions:
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contents: read
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packages: write
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jobs:
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build-wasm:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v5
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with:
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fetch-depth: 2
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- name: Set up Node.js
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uses: actions/setup-node@v5
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with:
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node-version: '22'
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registry-url: 'https://npm.pkg.github.com'
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- name: Install emsdk
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env:
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# Defaults to latest so CI tracks emsdk HEAD and catches breakage early.
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# Override via workflow_dispatch to pin a specific version when needed
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# (e.g. to bisect a regression or verify a post-build.sh patch still applies).
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EMSDK_VERSION: ${{ github.event.inputs.emsdk_version || 'latest' }}
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run: |
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git clone https://github.com/emscripten-core/emsdk.git
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cd emsdk
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./emsdk install "$EMSDK_VERSION"
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./emsdk activate "$EMSDK_VERSION"
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# Dump native + emscripten preprocessor defines. Useful for diagnosing
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# WASM-build differences after an emsdk bump.
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- name: Emscripten Diagnostic
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run: |
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source ./emsdk/emsdk_env.sh
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echo "===== gcc -dM -E - ====="; echo | gcc -dM -E - | sort
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echo "===== g++ -dM -E - ====="; echo | g++ -dM -E - | sort
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echo "===== emcc -dM -E - ====="; echo | emcc -dM -E - | sort
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echo "===== em++ -dM -E - ====="; echo | em++ -dM -E - | sort
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- name: Build WASM
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run: |
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source ./emsdk/emsdk_env.sh
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# --without/--disable flags: no WASM library available for these features
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CFLAGS="--std=c17 -D_DEFAULT_SOURCE=1 -DEMSCRIPTEN=1" emconfigure ./configure \
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--without-cairo --without-opengl --without-x --without-tk --without-tcl \
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--disable-readline --disable-compression \
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--host=asmjs-unknown-emscripten \
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--target=asmjs-unknown-emscripten
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# Append WASM linker flags and activate the WASM link target
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cat toolchains/emscripten/defs.mak >> defs.mak
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# Echo the merged defs.mak so CI logs show the exact build config
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echo "===== defs.mak ====="; cat defs.mak; echo "===== defs.mak ====="
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# Build in order: techs must exist before mains (--embed-file embeds them)
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emmake make depend
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emmake make -j$(nproc) modules libs
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emmake make techs
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emmake make mains
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- name: Copy WASM artifacts into npm/
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run: |
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cp magic/magic.js npm/
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cp magic/magic.wasm npm/
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- name: Run example tests
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run: cd npm && npm run test
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# Dump generated text outputs (.ext, .spice, .cif, …) into the CI log
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# so a regression in extraction / netlisting / cifoutput is visible
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# without having to download artifacts. The .gds output is binary —
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# skip it and just record its size.
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- name: Display example outputs
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run: |
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shopt -s nullglob
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for f in npm/examples/output/*; do
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name=$(basename "$f")
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case "$f" in
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*.gds) echo "===== $name (binary, $(wc -c < "$f") bytes — skipped) =====" ;;
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*) echo "===== $name ====="; cat "$f" ;;
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esac
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done
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- name: Set package version and scope
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run: |
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base=$(cat VERSION) # e.g. 8.3.637
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date=$(git show -s --format=%cs | tr -d '-') # e.g. 20260414
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hash=$(git show -s --format=%h) # e.g. d157eea
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VERSION="${base}-${date}.${hash}"
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# Scope the package to the repo owner so it lands in the right
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# GitHub Packages namespace regardless of who hosts the repo.
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# e.g. @rtimothyedwards/magic-vlsi-wasm on Tim's repo,
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# @intubun/magic-vlsi-wasm on a fork.
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SCOPED_NAME="@${{ github.repository_owner }}/magic-vlsi-wasm"
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cd npm
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npm pkg set name="$SCOPED_NAME"
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npm pkg set publishConfig.registry="https://npm.pkg.github.com"
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npm version "$VERSION" --no-git-tag-version
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- name: Pack
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run: ./npm/pack.sh
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- name: Upload tarball as artifact
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uses: actions/upload-artifact@v5
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with:
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name: magic-vlsi-wasm-npm
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path: npm/*.tgz
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- name: Check if VERSION changed
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id: version_changed
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if: github.event_name == 'push'
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run: |
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if echo "${{ github.ref }}" | grep -q '^refs/tags/'; then
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echo "changed=true" >> $GITHUB_OUTPUT
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elif [ "${{ github.ref }}" = "refs/heads/${{ github.event.repository.default_branch }}" ]; then
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if git diff --name-only HEAD~1 HEAD 2>/dev/null | grep -q '^VERSION$'; then
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echo "changed=true" >> $GITHUB_OUTPUT
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else
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echo "changed=false" >> $GITHUB_OUTPUT
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fi
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else
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echo "changed=false" >> $GITHUB_OUTPUT
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fi
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- name: Publish to GitHub Packages
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if: steps.version_changed.outputs.changed == 'true' && github.event.inputs.dry_run != 'true'
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run: cd npm && npm publish
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env:
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NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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