fix: enhance cross-compilation support for Linux arm64 in build scripts

Author: nedpals

.github/workflows/build.yml

@@ -61,10 +61,20 @@ jobs:
         with:
           version: 0.11.0
 
-      - name: Install PC/SC development libraries (Linux)
-        if: matrix.goos == 'linux'
+      - name: Install PC/SC development libraries (Linux amd64)
+        if: matrix.goos == 'linux' && matrix.goarch == 'amd64'
         run: sudo apt-get update && sudo apt-get install -y libpcsclite-dev
 
+      - name: Install PC/SC development libraries (Linux arm64 cross-compile)
+        if: matrix.goos == 'linux' && matrix.goarch == 'arm64'
+        run: |
+          sudo dpkg --add-architecture arm64
+          sudo sed -i 's/^deb /deb [arch=amd64] /' /etc/apt/sources.list
+          echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -cs) main restricted universe multiverse" | sudo tee /etc/apt/sources.list.d/arm64.list
+          echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -cs)-updates main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/arm64.list
+          sudo apt-get update
+          sudo apt-get install -y libpcsclite-dev:arm64
+
       - name: Build
         env:
           BUILD_VERSION: ${{ github.ref_type == 'tag' && github.ref_name || 'dev' }}

.github/workflows/release.yml

@@ -46,10 +46,20 @@ jobs:
         with:
           version: 0.11.0
 
-      - name: Install PC/SC development libraries (Linux)
-        if: matrix.goos == 'linux'
+      - name: Install PC/SC development libraries (Linux amd64)
+        if: matrix.goos == 'linux' && matrix.goarch == 'amd64'
         run: sudo apt-get update && sudo apt-get install -y libpcsclite-dev
 
+      - name: Install PC/SC development libraries (Linux arm64 cross-compile)
+        if: matrix.goos == 'linux' && matrix.goarch == 'arm64'
+        run: |
+          sudo dpkg --add-architecture arm64
+          sudo sed -i 's/^deb /deb [arch=amd64] /' /etc/apt/sources.list
+          echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -cs) main restricted universe multiverse" | sudo tee /etc/apt/sources.list.d/arm64.list
+          echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports $(lsb_release -cs)-updates main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/arm64.list
+          sudo apt-get update
+          sudo apt-get install -y libpcsclite-dev:arm64
+
       - name: Build
         env:
           BUILD_VERSION: ${{ github.ref_name }}

scripts/build.sh

@@ -42,8 +42,19 @@ if [ "$TARGET_OS" != "$CURRENT_OS" ] || [ "$TARGET_ARCH" != "$CURRENT_ARCH" ]; t
     # Use Zig for Linux cross-compilation if ZIG_TARGET is set
     if [ -n "$ZIG_TARGET" ]; then
         echo "  Using Zig target: $ZIG_TARGET"
-        export CC="zig cc -target $ZIG_TARGET"
-        export CXX="zig c++ -target $ZIG_TARGET"
+
+        # Set library search paths for cross-compilation
+        if [ "$TARGET_ARCH" = "arm64" ] && [ "$TARGET_OS" = "linux" ]; then
+            SYSROOT="/usr/aarch64-linux-gnu"
+            LIB_PATH="/usr/lib/aarch64-linux-gnu"
+            export CC="zig cc -target $ZIG_TARGET --sysroot=$SYSROOT -I/usr/include -L$LIB_PATH"
+            export CXX="zig c++ -target $ZIG_TARGET --sysroot=$SYSROOT -I/usr/include -L$LIB_PATH"
+            export PKG_CONFIG_PATH="$LIB_PATH/pkgconfig"
+            export CGO_LDFLAGS="-L$LIB_PATH"
+        else
+            export CC="zig cc -target $ZIG_TARGET"
+            export CXX="zig c++ -target $ZIG_TARGET"
+        fi
     fi
 
     # macOS can cross-compile between arm64/amd64 with native clang