Support linking onnxruntime statically for Android (#1619)

build-android-arm64-v8a.sh

@@ -1,7 +1,26 @@
 #!/usr/bin/env bash
 set -ex
 
-dir=$PWD/build-android-arm64-v8a
+# If BUILD_SHARED_LIBS is ON, we use libonnxruntime.so
+# If BUILD_SHARED_LIBS is OFF, we use libonnxruntime.a
+#
+# In any case, we will have libsherpa-onnx-jni.so
+#
+# If BUILD_SHARED_LIBS is OFF, then libonnxruntime.a is linked into libsherpa-onnx-jni.so
+# and you only need to copy libsherpa-onnx-jni.so to your Android projects.
+#
+# If BUILD_SHARED_LIBS is ON, then you need to copy both libsherpa-onnx-jni.so
+# and libonnxruntime.so to your Android projects
+#
+if [ -z $BUILD_SHARED_LIBS ]; then
+  BUILD_SHARED_LIBS=ON
+fi
+
+if [ $BUILD_SHARED_LIBS == ON ]; then
+  dir=$PWD/build-android-arm64-v8a
+else
+  dir=$PWD/build-android-arm64-v8a-static
+fi
 
 mkdir -p $dir
 cd $dir
@@ -21,6 +40,9 @@ cd $dir
 
 if [ -z $ANDROID_NDK ]; then
   ANDROID_NDK=/star-fj/fangjun/software/android-sdk/ndk/22.1.7171670
+  if [ $BUILD_SHARED_LIBS == OFF ]; then
+    ANDROID_NDK=/star-fj/fangjun/software/android-sdk/ndk/27.0.11718014
+  fi
   # or use
   # ANDROID_NDK=/star-fj/fangjun/software/android-ndk
   #
@@ -32,6 +54,10 @@ if [ -z $ANDROID_NDK ]; then
     # Tools -> SDK manager -> Android SDK
     # and set "Android SDK location" to /Users/fangjun/software/my-android
     ANDROID_NDK=/Users/fangjun/software/my-android/ndk/22.1.7171670
+
+    if [ $BUILD_SHARED_LIBS == OFF ]; then
+      ANDROID_NDK=/Users/fangjun/software/my-android/ndk/27.0.11718014
+    fi
   fi
 fi
 
@@ -44,17 +70,29 @@ echo "ANDROID_NDK: $ANDROID_NDK"
 sleep 1
 onnxruntime_version=1.17.1
 
-if [ ! -f $onnxruntime_version/jni/arm64-v8a/libonnxruntime.so ]; then
-  mkdir -p $onnxruntime_version
-  pushd $onnxruntime_version
-  wget -c -q https://github.com/csukuangfj/onnxruntime-libs/releases/download/v${onnxruntime_version}/onnxruntime-android-${onnxruntime_version}.zip
-  unzip onnxruntime-android-${onnxruntime_version}.zip
-  rm onnxruntime-android-${onnxruntime_version}.zip
-  popd
-fi
+if [ $BUILD_SHARED_LIBS == ON ]; then
+  if [ ! -f $onnxruntime_version/jni/arm64-v8a/libonnxruntime.so ]; then
+    mkdir -p $onnxruntime_version
+    pushd $onnxruntime_version
+    wget -c -q https://github.com/csukuangfj/onnxruntime-libs/releases/download/v${onnxruntime_version}/onnxruntime-android-${onnxruntime_version}.zip
+    unzip onnxruntime-android-${onnxruntime_version}.zip
+    rm onnxruntime-android-${onnxruntime_version}.zip
+    popd
+  fi
 
-export SHERPA_ONNXRUNTIME_LIB_DIR=$dir/$onnxruntime_version/jni/arm64-v8a/
-export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$dir/$onnxruntime_version/headers/
+  export SHERPA_ONNXRUNTIME_LIB_DIR=$dir/$onnxruntime_version/jni/arm64-v8a/
+  export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$dir/$onnxruntime_version/headers/
+else
+  if [ ! -f ${onnxruntime_version}-static/lib/libonnxruntime.a ]; then
+    wget -c -q https://github.com/csukuangfj/onnxruntime-libs/releases/download/v${onnxruntime_version}/onnxruntime-android-arm64-v8a-static_lib-${onnxruntime_version}.zip
+    unzip onnxruntime-android-arm64-v8a-static_lib-${onnxruntime_version}.zip
+    rm onnxruntime-android-arm64-v8a-static_lib-${onnxruntime_version}.zip
+    mv onnxruntime-android-arm64-v8a-static_lib-${onnxruntime_version} ${onnxruntime_version}-static
+  fi
+
+  export SHERPA_ONNXRUNTIME_LIB_DIR=$dir/$onnxruntime_version-static/lib/
+  export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$dir/$onnxruntime_version-static/include/
+fi
 
 echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
 echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"
@@ -88,24 +126,30 @@ cmake -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK/build/cmake/android.toolchain.cmake"
     -DBUILD_ESPEAK_NG_EXE=OFF \
     -DBUILD_ESPEAK_NG_TESTS=OFF \
     -DCMAKE_BUILD_TYPE=Release \
-    -DBUILD_SHARED_LIBS=ON \
+    -DBUILD_SHARED_LIBS=$BUILD_SHARED_LIBS \
     -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
     -DSHERPA_ONNX_ENABLE_TESTS=OFF \
     -DSHERPA_ONNX_ENABLE_CHECK=OFF \
     -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
     -DSHERPA_ONNX_ENABLE_JNI=$SHERPA_ONNX_ENABLE_JNI \
+    -DSHERPA_ONNX_LINK_LIBSTDCPP_STATICALLY=OFF \
     -DSHERPA_ONNX_ENABLE_C_API=$SHERPA_ONNX_ENABLE_C_API \
     -DCMAKE_INSTALL_PREFIX=./install \
     -DANDROID_ABI="arm64-v8a" \
     -DANDROID_PLATFORM=android-21 ..
 
+    # By default, it links to libc++_static.a
+    # -DANDROID_STL=c++_shared \
+
 # Please use -DANDROID_PLATFORM=android-27 if you want to use Android NNAPI
 
 # make VERBOSE=1 -j4
 make -j4
 make install/strip
-cp -fv $onnxruntime_version/jni/arm64-v8a/libonnxruntime.so install/lib
+cp -fv $onnxruntime_version/jni/arm64-v8a/libonnxruntime.so install/lib 2>/dev/null || true
+rm -rf install/share
 rm -rf install/lib/pkgconfig
+rm -rf install/lib/lib*.a
 
 # To run the generated binaries on Android, please use the following steps.
 #