Enable cross-compilation in CI

lloeki · lloeki · commit b633599d4d97 · 2021-07-09T20:59:57.000+02:00
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -134,42 +134,78 @@ jobs:
       matrix:
         platform:
           - amd64
-          # arm64
+          - arm64
           # arm
           # ppc64le
           # s390x
         libc:
           - gnu
-          - musl
+        include:
+          - platform: amd64
+            libc: musl
     name: Build (linux)
     outputs:
       GEM_VERSION: ${{ steps.set-metadata.outputs.GEM_VERSION }}
     runs-on: ubuntu-20.04
     steps:
-      - name: Enable ${{ matrix.platform }} platform
-        id: qemu
-        if: ${{ matrix.platform != 'amd64' }}
+      - name: Set cross-compilation platform
+        id: platform
         run: |
-          docker run --privileged --rm tonistiigi/binfmt:latest --install ${{ matrix.platform }} | tee platforms.json
-          echo "::set-output name=platforms::$(cat platforms.json)"
+          case ${{ matrix.platform }} in
+            amd64)
+              case ${{ matrix.libc }} in
+                gnu)
+                  echo 'x86_64-linux-gnu'
+                  ;;
+                musl)
+                  echo 'x86_64-alpine-linux-musl'
+                  ;;
+              esac
+              ;;
+            arm64)
+              echo 'aarch64-linux-gnu'
+              ;;
+          esac | tee target_platform
+          case ${{ matrix.platform }} in
+            amd64)
+              case ${{ matrix.libc }} in
+                gnu)
+                  echo 'x86_64-linux'
+                  ;;
+                musl)
+                  echo 'x86_64-linux-musl'
+                  ;;
+              esac
+              ;;
+            arm64)
+              echo 'aarch64-linux'
+              ;;
+          esac | tee ruby_target_platform
+          echo "::set-output name=target_platform::$(cat target_platform)"
+          echo "::set-output name=ruby_target_platform::$(cat ruby_target_platform)"
       - name: Start container
         id: container
         run: |
           case ${{ matrix.libc }} in
             gnu)
-              echo 'ruby:2.4'
+              echo 'ruby:3.0'
               ;;
             musl)
-              echo 'ruby:2.4-alpine'
+              echo 'ruby:3.0-alpine'
               ;;
-          esac > container_image
+          esac | tee container_image
           echo "::set-output name=image::$(cat container_image)"
-          docker run --rm -d -v "${PWD}":"${PWD}" -w "${PWD}" --platform linux/${{ matrix.platform }} $(cat container_image) /bin/sleep 64d | tee container_id
+          docker run --rm -d -v "${PWD}":"${PWD}" -w "${PWD}" --platform linux/amd64 -e RUBY_TARGET_PLATFORM=${{ steps.platform.outputs.ruby_target_platform }} -e TARGET_PLATFORM=${{ steps.platform.outputs.target_platform }} $(cat container_image) /bin/sleep 64d | tee container_id
           docker exec -w "${PWD}" $(cat container_id) uname -a
           echo "::set-output name=id::$(cat container_id)"
       - name: Install Alpine system dependencies
         if: ${{ matrix.libc == 'musl' }}
-        run: docker exec -w "${PWD}" ${{ steps.container.outputs.id }} apk add --no-cache build-base linux-headers bash python2 python3 git curl tar
+        run: docker exec -w "${PWD}" ${{ steps.container.outputs.id }} apk add --no-cache build-base linux-headers bash python2 python3 git curl tar clang
+      - name: Install Debian cross-compiler
+        if: ${{ matrix.libc == 'gnu' && matrix.platform != 'amd64' }}
+        run: |
+          docker exec -w "${PWD}" ${{ steps.container.outputs.id }} apt-get update
+          docker exec -w "${PWD}" ${{ steps.container.outputs.id }} apt-get install -y binutils-aarch64-linux-gnu gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
       - name: Checkout
         uses: actions/checkout@v2
       - name: Bundle
@@ -208,22 +244,22 @@ jobs:
             docker exec -w "${PWD}" ${{ steps.container.outputs.id }} ./libexec/inject-libv8 ${{ steps.set-metadata.outputs.NODE_VERSION }}
       - name: Build binary gem
         run: |
-            docker exec -w "${PWD}" ${{ steps.container.outputs.id }} bundle exec rake binary
+            docker exec -w "${PWD}" ${{ steps.container.outputs.id }} bundle exec rake binary[${{ steps.platform.outputs.ruby_target_platform }}]
       - name: Upload V8
         uses: actions/upload-artifact@v1
         with:
-          name: v8-${{ steps.set-metadata.outputs.LIBV8_VERSION  }}-${{ steps.set-metadata.outputs.GEM_PLATFORM }}
+          name: v8-${{ steps.set-metadata.outputs.LIBV8_VERSION  }}-${{ steps.platform.outputs.ruby_target_platform }}
           path: vendor
       - name: Upload gem
         uses: actions/upload-artifact@v1
         with:
-          name: gem-${{ steps.set-metadata.outputs.GEM_VERSION  }}-${{ steps.set-metadata.outputs.GEM_PLATFORM }}
+          name: gem-${{ steps.set-metadata.outputs.GEM_VERSION  }}-${{ steps.platform.outputs.ruby_target_platform }}
           path: pkg
   test-ruby:
     name: Test (ruby)
     needs: build-ruby
     runs-on: ubuntu-20.04
-    container: ruby:2.4
+    container: ruby:2.5
     steps:
       - name: Set metadata
         id: set-metadata
@@ -241,7 +277,7 @@ jobs:
         run: |
           git clone https://github.com/rubyjs/mini_racer.git test/mini_racer --depth 1
           cd test/mini_racer
-          git fetch origin refs/pull/186/head
+          git fetch origin refs/pull/210/head
           git checkout FETCH_HEAD
           git reset --hard
           git clean -f -d -x
@@ -276,7 +312,7 @@ jobs:
         run: |
           git clone https://github.com/rubyjs/mini_racer.git test/mini_racer --depth 1
           cd test/mini_racer
-          git fetch origin refs/pull/186/head
+          git fetch origin refs/pull/210/head
           git checkout FETCH_HEAD
           git reset --hard
           git clean -f -d -x
@@ -289,7 +325,6 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '2.4'
           - '2.5'
           - '2.6'
           - '2.7'
@@ -303,6 +338,19 @@ jobs:
         libc:
           - gnu
           - musl
+        include:
+          - version: '2.5'
+            platform: 'arm64'
+            libc: 'gnu'
+          - version: '2.6'
+            platform: 'arm64'
+            libc: 'gnu'
+          - version: '2.7'
+            platform: 'arm64'
+            libc: 'gnu'
+          - version: '3.0'
+            platform: 'arm64'
+            libc: 'gnu'
     name: Test (linux)
     needs: build-linux
     runs-on: ubuntu-20.04
@@ -323,7 +371,7 @@ jobs:
             musl)
               echo 'ruby:${{ matrix.version }}-alpine'
               ;;
-          esac > container_image
+          esac | tee container_image
           echo "::set-output name=image::$(cat container_image)"
           docker run --rm -d -v "${PWD}":"${PWD}" -w "${PWD}" --platform linux/${{ matrix.platform }} $(cat container_image) /bin/sleep 64d | tee container_id
           docker exec -w "${PWD}" $(cat container_id) uname -a
@@ -347,7 +395,7 @@ jobs:
         run: |
           git clone https://github.com/rubyjs/mini_racer.git test/mini_racer --depth 1
           cd test/mini_racer
-          git fetch origin refs/pull/186/head
+          git fetch origin refs/pull/210/head
           git checkout FETCH_HEAD
           git reset --hard
           git clean -f -d -x
diff --git a/Rakefile b/Rakefile
@@ -6,6 +6,7 @@ module Helpers
   module_function
 
   def binary_gemspec(platform: Gem::Platform.local, str: RUBY_PLATFORM)
+    # TODO: old rubygems and cross compile
     platform.instance_eval { @version = 'musl' } if str =~ /-musl/ && platform.version.nil?
 
     gemspec = eval(File.read('libv8-node.gemspec')) # rubocop:disable Security/Eval
@@ -20,12 +21,12 @@ end
 
 task :compile, [:platform] => [] do |_, args|
   local_platform = Gem::Platform.local.to_s
-  target_platform = ENV['GEM_TARGET_PLATFORM'] || args.to_h[:platform] || Gem::Platform.local.to_s
+  target_platform = ENV['RUBY_TARGET_PLATFORM'] || args.to_h[:platform] || Gem::Platform.local.to_s
 
   puts "local platform: #{local_platform}"
   puts "target platform: #{target_platform}"
 
-  ENV['GEM_TARGET_PLATFORM'] = target_platform
+  ENV['RUBY_TARGET_PLATFORM'] = target_platform
 
   if (libs = Dir["vendor/v8/#{target_platform}/**/*.a"]).any?
     puts "found: #{libs.inspect}"
@@ -38,8 +39,8 @@ task :compile, [:platform] => [] do |_, args|
 end
 
 task :binary, [:platform] => [:compile] do |_, args|
-  local_platform = Gem::Platform.local.to_s
-  target_platform = ENV['GEM_TARGET_PLATFORM'] || args.to_h[:platform] || Gem::Platform.local.to_s
+  local_platform = Gem::Platform.local
+  target_platform = Gem::Platform.new(ENV['RUBY_TARGET_PLATFORM']) || Gem::Platform.new(args.to_h[:platform]) || Gem::Platform.local
 
   puts "local platform: #{local_platform}"
   puts "target platform: #{target_platform}"
diff --git a/libexec/platform b/libexec/platform
@@ -63,7 +63,7 @@ case "${host_platform}" in
 esac
 
 if [ "${host_platform}" != "${target_platform}" ]; then
-    echo "cross compiling host: ${host_platform} target: ${target_platform}"
+    echo "# cross compiling host: ${host_platform} target: ${target_platform}"
     case "${target_platform}" in
         aarch64-*linux*)
             CC='aarch64-linux-gnu-gcc'
@@ -121,6 +121,6 @@ if [ -n "${RUBY_TARGET_PLATFORM:-}" ]; then cat <<EOF; fi
 RUBY_TARGET_PLATFORM='${RUBY_TARGET_PLATFORM}'
 EOF
 
-if [ -n "${CC_host:-}" ]; then cat <<EOF; fi
+if [ -n "${configure_flags:-}" ]; then cat <<EOF; fi
 configure_flags="\${configure_flags:-} ${configure_flags}"
 EOF
