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-rw-r--r--.github/workflows/release-artifacts.yml30
-rw-r--r--changelog.d/14212.feature1
2 files changed, 26 insertions, 5 deletions
diff --git a/.github/workflows/release-artifacts.yml b/.github/workflows/release-artifacts.yml
index 90cafdd667..60db6ad7f0 100644
--- a/.github/workflows/release-artifacts.yml
+++ b/.github/workflows/release-artifacts.yml
@@ -95,11 +95,14 @@ jobs:
           path: debs/*
 
   build-wheels:
-    name: Build wheels on ${{ matrix.os }}
+    name: Build wheels on ${{ matrix.os }} for ${{ matrix.arch }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-20.04, macos-10.15]
+        arch: [x86_64, aarch64]
+        # is_pr is a flag used to exclude certain jobs from the matrix on PRs.
+        # It is not read by the rest of the workflow.
         is_pr:
           - ${{ startsWith(github.ref, 'refs/pull/') }}
 
@@ -107,6 +110,12 @@ jobs:
           # Don't build macos wheels on PR CI.
           - is_pr: true
             os: "macos-10.15"
+          # Don't build aarch64 wheels on mac.
+          - os: "macos-10.15"
+            arch: aarch64
+          # Don't build aarch64 wheels on PR CI.
+          - is_pr: true
+            arch: aarch64
 
     steps:
       - uses: actions/checkout@v3
@@ -120,11 +129,19 @@ jobs:
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel==2.9.0 poetry==1.2.0
 
-      # Only build a single wheel in CI.
-      - name: Set env vars.
-        run: |
-          echo "CIBW_BUILD="cp37-manylinux_x86_64"" >> $GITHUB_ENV
+      - name: Set up QEMU to emulate aarch64
+        if: matrix.arch == 'aarch64'
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: arm64
+
+      - name: Build aarch64 wheels
+        if: matrix.arch == 'aarch64'
+        run: echo 'CIBW_ARCHS_LINUX=aarch64' >> $GITHUB_ENV
+
+      - name: Only build a single wheel on PR
         if: startsWith(github.ref, 'refs/pull/')
+        run: echo "CIBW_BUILD="cp37-manylinux_${{ matrix.arch }}"" >> $GITHUB_ENV
 
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
@@ -132,6 +149,9 @@ jobs:
           # Skip testing for platforms which various libraries don't have wheels
           # for, and so need extra build deps.
           CIBW_TEST_SKIP: pp39-* *i686* *musl* pp37-macosx*
+          # Fix Rust OOM errors on emulated aarch64: https://github.com/rust-lang/cargo/issues/10583
+          CARGO_NET_GIT_FETCH_WITH_CLI: true
+          CIBW_ENVIRONMENT_PASS_LINUX: CARGO_NET_GIT_FETCH_WITH_CLI
 
       - uses: actions/upload-artifact@v3
         with:
diff --git a/changelog.d/14212.feature b/changelog.d/14212.feature
new file mode 100644
index 0000000000..53b135cb5c
--- /dev/null
+++ b/changelog.d/14212.feature
@@ -0,0 +1 @@
+Build and publish binary wheels for `aarch64` platforms.
\ No newline at end of file