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 all amd64 i386 arm64 arm powerpc riscv
+          do
+            files="sys/conf/files.$t"
+
+            if [ "$t" = "amd64" ] || [ "$t" = "i386" ]; then
+              files="$files sys/conf/files.x86"
+            elif [ "$t" = "all" ]; then
+              files="sys/conf/files"
+            fi
+
+            case "$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/_-]*\.[cmS]' | sed 's;[^ ]*;"sys/&",;g')]" >> $filters
+          done
+
+          echo 'powerpc64: *powerpc' >> $filters
+          echo 'powerpc64le: *powerpc' >> $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: ${{ fromJSON(needs.setup.outputs.kern_archs) }}
         os: [ ubuntu-22.04, ubuntu-24.04, macos-latest ]
         include:
           # TODO: both Ubuntu and macOS have bmake packages, we should try them instead of bootstrapping our own copy.
@@ -33,10 +83,6 @@ jobs:
             compiler: clang-18
             cross-bindir: /opt/homebrew/opt/llvm@18/bin
             pkgs: bmake libarchive llvm@18
-          - target_arch: amd64
-            target: amd64
-          - target_arch: aarch64
-            target: arm64
     steps:
       - uses: actions/checkout@v4
       - name: install packages
@@ -54,11 +100,22 @@ jobs:
           fi
           mkdir -p ../build
           echo "MAKEOBJDIRPREFIX=${PWD%/*}/build" >> $GITHUB_ENV
+
+          case "${{ matrix.target_arch }}" in
+            "aarch64") t="aarch64";;
+            "armv7") t="armv7";;
+            "powerpc64") t="powerpc";;
+            "powerpc64le") t="powerpc";;
+            "riscv64") t="riscv";;
+            *) t="${{ matrix.target_arch }}";;
+          esac
+          echo "TARGET=$t" >> $GITHUB_ENV
+
           # heh, works on Linux/BSD/macOS ...
           echo "NPROC=`getconf _NPROCESSORS_ONLN 2>/dev/null || getconf NPROCESSORS_ONLN 2>/dev/null || echo 1`" >> $GITHUB_ENV
       - name: bootstrap bmake
-        run: ./tools/build/make.py --debug $EXTRA_BUILD_ARGS TARGET=${{ matrix.target }} TARGET_ARCH=${{ matrix.target_arch }} -n
+        run: ./tools/build/make.py --debug $EXTRA_BUILD_ARGS TARGET=$TARGET TARGET_ARCH=${{ matrix.target_arch }} -n
       - name: make kernel-toolchain
-        run: ./tools/build/make.py --debug $EXTRA_BUILD_ARGS TARGET=${{ matrix.target }} TARGET_ARCH=${{ matrix.target_arch }} kernel-toolchain -s -j$NPROC -DWITH_DISK_IMAGE_TOOLS_BOOTSTRAP
+        run: ./tools/build/make.py --debug $EXTRA_BUILD_ARGS TARGET=$TARGET TARGET_ARCH=${{ matrix.target_arch }} kernel-toolchain -s -j$NPROC -DWITH_DISK_IMAGE_TOOLS_BOOTSTRAP
       - name: make buildkernel
-        run: ./tools/build/make.py --debug $EXTRA_BUILD_ARGS TARGET=${{ matrix.target }} TARGET_ARCH=${{ matrix.target_arch }} KERNCONF=GENERIC NO_MODULES=yes buildkernel -s -j$NPROC $EXTRA_MAKE_ARGS
+        run: ./tools/build/make.py --debug $EXTRA_BUILD_ARGS TARGET=$TARGET TARGET_ARCH=${{ matrix.target_arch }} KERNCONF=GENERIC NO_MODULES=yes buildkernel -s -j$NPROC $EXTRA_MAKE_ARGS