Test

.github/workflows/cross-bootstrap-tools.yml

@@ -3,21 +3,71 @@ name: Cross-build Kernel
 on:
   push:
     branches: [ main, 'stable/14', 'stable/13' ]
+    #paths: [ sys ]
   pull_request:
     branches: [ main ]
+    #paths: [ sys ]
   workflow_dispatch:
 
 permissions:
   contents: read
 
 jobs:
+  setup:
+    runs-on: ubuntu-latest
+    outputs:
+      kern_archs: ${{ steps.match.outputs.kern_archs }}
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: generate filters
+        run: |
+          filters='${{ runner.temp }}/filters.yml'
+
+          for t in amd64 i386 arm64 arm powerpc riscv
+          do
+            files="sys/conf/files.$t"
+
+            if [ "$t" = "amd64" ] || [ "$t" = "i386" ]; then
+              files="$files sys/conf/files.x86"
+            fi
+
+            case "$t" in
+              "arm64") a="aarch64";;
+              "arm") a="armv7";;
+              "riscv") a="riscv64";;
+              *) a=$t;;
+            esac
+
+            echo "$a: &$t [$(cat $files | grep -Eo '^[A-Za-z0-9/_-]*\.[cmhS]{1,2}' | sed 's;[^ ]*;"&",;g')]" >> $filters
+          done
+
+          echo 'powerpc64: *powerpc' >> $filters
+          echo 'powerpc64le: *powerpc' >> $filters
+
+          echo 'all: [ "sys/kern/**", "sys/vm/**" ]' >> $filters
+      - name: filter
+        id: filter
+        uses: dorny/paths-filter@v3
+        with:
+          base: ${{ github.ref }}
+          filters: ${{ runner.temp }}/filters.yml
+      - name: match
+        id: match
+        run: |
+          if ${{ steps.filter.outputs.all }}; then
+            echo 'kern_archs=[ "amd64", "i386", "aarch64", "armv7", "powerpc", "powerpc64", "powerpc64le", "riscv64" ]' >> $GITHUB_OUTPUT
+          else
+            echo 'kern_archs=${{ steps.filter.outputs.changes }}' >> $GITHUB_OUTPUT
+          fi
   build:
     name: ${{ matrix.target_arch }} ${{ matrix.os }} (${{ matrix.compiler }})
     runs-on: ${{ matrix.os }}
+    needs: setup
     strategy:
       fail-fast: false
       matrix:
-        target_arch: [ amd64, aarch64 ]
+        target_arch: ${{ fromJSON(needs.setup.outputs.kern_archs) }}
         os: [ ubuntu-22.04, ubuntu-24.04, macos-latest ]
         include:
           # TODO: both Ubuntu and macOS have bmake packages, we should try them instead of bootstrapping our own copy.
@@ -33,10 +83,15 @@ jobs:
             compiler: clang-18
             cross-bindir: /opt/homebrew/opt/llvm@18/bin
             pkgs: bmake libarchive llvm@18
-          - target_arch: amd64
-            target: amd64
-          - target_arch: aarch64
-            target: arm64
+
+          - { target_arch: amd64, target: amd64 }
+          - { target_arch: i386, target: i386 }
+          - { target_arch: aarch64, target: arm64 }
+          - { target_arch: armv7, target: arm }
+          - { target_arch: powerpc, target: powerpc }
+          - { target_arch: powerpc64, target: powerpc }
+          - { target_arch: powerpc64le, target: powerpc }
+          - { target_arch: riscv64, target: riscv }
     steps:
       - uses: actions/checkout@v4
       - name: install packages