build: updated Android NDK from r21 to r25b (#324)

Author: ErikBjare

aw-server/src/android/mod.rs

@@ -74,7 +74,7 @@ pub mod android {
             .new_string(world_ptr.to_str().unwrap())
             .expect("Couldn't create java string!");
 
-        output.into_inner()
+        output.into_raw()
     }
 
     unsafe fn jstring_to_string(env: &JNIEnv, string: JString) -> String {
@@ -85,7 +85,7 @@ pub mod android {
     unsafe fn string_to_jstring(env: &JNIEnv, string: String) -> jstring {
         env.new_string(string)
             .expect("Couldn't create java string")
-            .into_inner()
+            .into_raw()
     }
 
     unsafe fn create_error_object(env: &JNIEnv, msg: String) -> jstring {

compile-android.sh

@@ -30,11 +30,16 @@ for archtargetstr in \
 ; do
     arch=$(echo $archtargetstr | cut -d " " -f 1)
     target=$(echo $archtargetstr | cut -d " " -f 2)
+    target_underscore=$(echo $target | sed 's/-/_/g')
+
     NDK_ARCH_DIR="$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin"
     echo "Building for $arch..."
 
     if [ -d "$NDK_ARCH_DIR" ]; then
         export PATH="$NDK_ARCH_DIR:$ORIG_PATH"
+        # Need to set AR for target since NDK 21+:
+        #   https://github.com/rust-lang/cc-rs/issues/636#issuecomment-1075352495
+        declare -x "AR_${target_underscore}"="$NDK_ARCH_DIR/llvm-ar"
         cargo build -p aw-server --target $target --lib $($RELEASE && echo '--release')
     else
         echo "Couldn't find directory $NDK_ARCH_DIR"

install-ndk.sh

@@ -12,7 +12,7 @@ if [ -z "$ANDROID_NDK_HOME" ]; then
         echo "Found NDK folder in root, using."
     else
         echo 'ANDROID_NDK_HOME not set, downloading NDK...';
-        wget --no-verbose -O android-ndk.zip https://dl.google.com/android/repository/android-ndk-r21-linux-x86_64.zip;
+        wget --no-verbose -O android-ndk.zip https://dl.google.com/android/repository/android-ndk-r25b-linux.zip;
         unzip -q -d NDK android-ndk.zip;
         ls NDK;
         mv NDK/*/* NDK/;
@@ -44,18 +44,18 @@ echo "Creating cargo config..."
 mkdir -p $project_path/.cargo
 echo "
 [target.aarch64-linux-android]
-ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-ar'
+ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
 linker = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android26-clang'
 
 [target.armv7-linux-androideabi]
-ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi-ar'
+ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
 linker = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi-clang'
 
 [target.i686-linux-android]
-ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/i686-linux-android-ar'
+ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
 linker = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/i686-linux-android26-clang'
 
 [target.x86_64-linux-android]
-ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android-ar'
+ar = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
 linker = '$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android26-clang'
 " > $project_path/.cargo/config