arm windows by cross-compiling from linux x64

.github/workflows/main.yml

@@ -62,6 +62,29 @@ jobs:
           name: artifacts-linux-x86_64
           path: libjpeg-turbo/build/.libs/libturbojpeg.so
           if-no-files-found: error
+  build-windows-arm64-xcompile-linux:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository and submodules
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Setup Zig
+        uses: goto-bus-stop/setup-zig@v2
+      - name: Build native code
+        run: |
+          ./winarm64-xcompile-on-unix.sh
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: configure log
+          path: libjpeg-turbo/build/config.log
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: artifacts-windows-arm64
+          path: libjpeg-turbo/build_winarm/.libs/libturbojpeg-arm64.dll
+          if-no-files-found: error
   build-windows-x86_64:
     runs-on: windows-latest
     steps:
@@ -94,7 +117,7 @@ jobs:
           path: libjpeg-turbo/build/**/turbojpeg.dll
           if-no-files-found: error
   build-package:
-    needs: [build-macos-x86_64, build-windows-x86_64, build-linux-x86_64]
+    needs: [build-macos-x86_64, build-windows-x86_64, build-linux-x86_64, build-windows-x86_64]
     runs-on: ubuntu-latest
     env:
       gradle_commands: --stacktrace clean jar
@@ -157,5 +180,6 @@ jobs:
           files: |
             artifacts-macos-x86_64/*.dylib
             artifacts-linux-x86_64/*.so
+            artifacts-windows-arm64/*.dll
             artifacts-windows-x86_64/Debug/*.dll
             libjpeg-turbo-java/*.jar

jar-pack.sh

@@ -15,6 +15,8 @@ mkdir -p META-INF/lib/osx_64
 mv ../../artifacts-macos-x86_64/libturbojpeg.dylib META-INF/lib/osx_64/
 mkdir -p META-INF/lib/linux_64
 mv ../../artifacts-linux-x86_64/libturbojpeg.so META-INF/lib/linux_64/
+mkdir -p META-INF/lib/windows_arm64
+mv ../../artifacts-windows-arm64/libturbojpeg.dll META-INF/lib/windows_arm64/
 
 # repack the jar file to include the native libraries
 jar uvvf libjpeg-turbo*.jar META-INF/lib/*

winarm64-xcompile-on-unix.sh

@@ -0,0 +1,21 @@
+if [ ! -d "jdk" ]; then
+    # https://learn.microsoft.com/en-us/java/openjdk/download#openjdk-11
+    wget https://aka.ms/download-jdk/microsoft-jdk-11.0.21-windows-aarch64.zip -O jdk.zip
+    unzip jdk.zip
+    rm jdk.zip
+    mv jdk-11.0.21+9 jdk
+fi
+export JAVA_HOME="${PWD}/jdk"
+export CPPFLAGS="-I${JAVA_HOME}/include -I${JAVA_HOME}/include/win32"
+export CC="zig cc -target aarch64-windows"
+export CXX="zig c++ -target aarch64-windows"
+export AR="zig ar"
+export RANLIB="zig ranlib"
+cd libjpeg-turbo
+autoreconf -fiv
+mkdir build_winarm
+cd build_winarm
+../configure --with-java --host aarch64-windows
+make
+zig cc -target aarch64-windows .libs/libturbojpeg.a -shared -o .libs/libturbojpeg-arm64.dll
+