Build macOS artifacts on a darwin runner

Cross-compiling from amd64 to arm64 with CGO_ENABLED=1 seems to only
work when GOOS is the same between compile host and target.

Signed-off-by: Jan Dubois <[email protected]>

Author: jandubois

.github/workflows/release.yml

@@ -10,13 +10,40 @@ on:
 env:
   GO111MODULE: on
 jobs:
+  artifacts-darwin:
+    name: Artifacts Darwin
+    runs-on: macos-11
+    timeout-minutes: 20
+    steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: 1.17.x
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - name: Make darwin artifacts
+        run: make artifacts-darwin
+      - name: "Upload artifacts"
+        uses: actions/upload-artifact@v2
+        with:
+          name: artifacts-darwin
+          path: _artifact/
   release:
     runs-on: ubuntu-20.04
+    needs: artifacts-darwin
     timeout-minutes: 20
     steps:
+      - uses: actions/download-artifact@v2
+        with:
+          name: artifacts-darwin
+          path: _artifact/
       - uses: actions/setup-go@v2
         with:
           go-version: 1.17.x
+      - name: Install gcc-aarch64-linux-gnu
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gcc-aarch64-linux-gnu
       - uses: actions/checkout@v2
       - name: "Compile binaries"
         run: make artifacts

.github/workflows/test.yml

@@ -167,17 +167,34 @@ jobs:
           EXAMPLE: ${{ matrix.example }}
         run: ./hack/test-example.sh examples/$EXAMPLE
 
-  artifacts:
-    name: Artifacts
-    # the release pipeline uses Linux, so we Linux here as well
+  artifacts-darwin:
+    name: Artifacts Darwin
+    runs-on: macos-11
+    timeout-minutes: 20
+    steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: 1.17.x
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - name: Make darwin artifacts
+        run: make artifacts-darwin
+
+  artifacts-linux:
+    name: Artifacts Linux
     runs-on: ubuntu-20.04
     timeout-minutes: 20
     steps:
       - uses: actions/setup-go@v2
         with:
           go-version: 1.17.x
+      - name: Install gcc-aarch64-linux-gnu
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gcc-aarch64-linux-gnu
       - uses: actions/checkout@v2
         with:
           fetch-depth: 1
-      - name: Make artifacts
-        run: make artifacts
+      - name: Make linux artifacts
+        run: make artifacts-linux

Makefile

@@ -73,14 +73,18 @@ uninstall:
 clean:
 	rm -rf _output
 
-.PHONY: artifacts
-artifacts:
+.PHONY: artifacts-darwin
+artifacts-darwin:
 	mkdir -p _artifacts
 	GOOS=darwin GOARCH=amd64 make clean binaries
 	$(TAR) -C _output/ -czvf _artifacts/lima-$(VERSION_TRIMMED)-Darwin-x86_64.tar.gz ./
 	GOOS=darwin GOARCH=arm64 make clean binaries
 	$(TAR) -C _output -czvf _artifacts/lima-$(VERSION_TRIMMED)-Darwin-arm64.tar.gz ./
+
+.PHONY: artifacts-linux
+artifacts-linux:
+	mkdir -p _artifacts
 	GOOS=linux GOARCH=amd64 make clean binaries
 	$(TAR) -C _output/ -czvf _artifacts/lima-$(VERSION_TRIMMED)-Linux-x86_64.tar.gz ./
-	GOOS=linux GOARCH=arm64 make clean binaries
+	GOOS=linux GOARCH=arm64 CC=aarch64-linux-gnu-gcc make clean binaries
 	$(TAR) -C _output/ -czvf _artifacts/lima-$(VERSION_TRIMMED)-Linux-aarch64.tar.gz ./