From 24e6947be9a4b66d85a0bb8125ee7863678484e4 Mon Sep 17 00:00:00 2001 From: Elias Rohrer Date: Thu, 21 Aug 2025 11:53:15 +0200 Subject: [PATCH] Require 16kb pages sizes for Android builds Google announced that starting Nov 2025 all apps in the Play Store will be required to be compatible with 16KB page sizes (cf. https://developer.android.com/guide/practices/page-sizes). Here we update our linker flags to ensure the generated shared libraries meet that requirement. --- scripts/uniffi_bindgen_generate_kotlin_android.sh | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/scripts/uniffi_bindgen_generate_kotlin_android.sh b/scripts/uniffi_bindgen_generate_kotlin_android.sh index 142e5f75d..c87db5924 100755 --- a/scripts/uniffi_bindgen_generate_kotlin_android.sh +++ b/scripts/uniffi_bindgen_generate_kotlin_android.sh @@ -35,9 +35,9 @@ case "$OSTYPE" in PATH="$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/$LLVM_ARCH_PATH/bin:$PATH" rustup target add x86_64-linux-android aarch64-linux-android armv7-linux-androideabi -CFLAGS="-D__ANDROID_MIN_SDK_VERSION__=21" AR=llvm-ar CARGO_TARGET_X86_64_LINUX_ANDROID_LINKER="x86_64-linux-android21-clang" CC="x86_64-linux-android21-clang" cargo build --profile release-smaller --features uniffi --target x86_64-linux-android || exit 1 -CFLAGS="-D__ANDROID_MIN_SDK_VERSION__=21" AR=llvm-ar CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER="armv7a-linux-androideabi21-clang" CC="armv7a-linux-androideabi21-clang" cargo build --profile release-smaller --features uniffi --target armv7-linux-androideabi || exit 1 -CFLAGS="-D__ANDROID_MIN_SDK_VERSION__=21" AR=llvm-ar CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER="aarch64-linux-android21-clang" CC="aarch64-linux-android21-clang" cargo build --profile release-smaller --features uniffi --target aarch64-linux-android || exit 1 +RUSTFLAGS="-C link-args=-Wl,-z,max-page-size=16384,-z,common-page-size=16384" CFLAGS="-D__ANDROID_MIN_SDK_VERSION__=21" AR=llvm-ar CARGO_TARGET_X86_64_LINUX_ANDROID_LINKER="x86_64-linux-android21-clang" CC="x86_64-linux-android21-clang" cargo build --profile release-smaller --features uniffi --target x86_64-linux-android || exit 1 +RUSTFLAGS="-C link-args=-Wl,-z,max-page-size=16384,-z,common-page-size=16384" CFLAGS="-D__ANDROID_MIN_SDK_VERSION__=21" AR=llvm-ar CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER="armv7a-linux-androideabi21-clang" CC="armv7a-linux-androideabi21-clang" cargo build --profile release-smaller --features uniffi --target armv7-linux-androideabi || exit 1 +RUSTFLAGS="-C link-args=-Wl,-z,max-page-size=16384,-z,common-page-size=16384" CFLAGS="-D__ANDROID_MIN_SDK_VERSION__=21" AR=llvm-ar CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER="aarch64-linux-android21-clang" CC="aarch64-linux-android21-clang" cargo build --profile release-smaller --features uniffi --target aarch64-linux-android || exit 1 $UNIFFI_BINDGEN_BIN generate bindings/ldk_node.udl --language kotlin --config uniffi-android.toml -o "$BINDINGS_DIR"/"$PROJECT_DIR"/lib/src/main/kotlin || exit 1 JNI_LIB_DIR="$BINDINGS_DIR"/"$PROJECT_DIR"/lib/src/main/jniLibs/