Files
salvium-rs/scripts/build-android.sh
T
Matt Hess 28fbd223c7 Fix iOS release build: replace bash associative arrays with indexed arrays
macOS GitHub Actions runners ship bash 3.2, which does not support
  declare -A (requires bash 4.0+). Rewrote build-ios.sh and
  build-android.sh to use parallel indexed arrays instead.
2026-02-25 03:59:29 +00:00

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#!/usr/bin/env bash
# Build Salvium shared libraries for Android (arm64, armv7, x86_64)
#
# Produces:
# prebuilt/android/arm64-v8a/libsalvium_crypto.so
# prebuilt/android/arm64-v8a/libsalvium_ffi.so
# prebuilt/android/armeabi-v7a/libsalvium_crypto.so
# prebuilt/android/armeabi-v7a/libsalvium_ffi.so
# prebuilt/android/x86_64/libsalvium_crypto.so
# prebuilt/android/x86_64/libsalvium_ffi.so
#
# Prerequisites:
# rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android
# Set ANDROID_NDK_HOME to your NDK path (e.g. ~/Android/Sdk/ndk/26.1.10909125)
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
ROOT_DIR="$SCRIPT_DIR/.."
OUT_DIR="$ROOT_DIR/prebuilt/android"
if [ -z "${ANDROID_NDK_HOME:-}" ]; then
echo "Error: ANDROID_NDK_HOME is not set."
echo "Set it to your Android NDK path, e.g.:"
echo " export ANDROID_NDK_HOME=\$HOME/Android/Sdk/ndk/26.1.10909125"
exit 1
fi
# Parallel arrays — bash 3.2 compatible (no declare -A)
TARGETS=( "aarch64-linux-android" "armv7-linux-androideabi" "x86_64-linux-android" )
TARGET_ABIS=( "arm64-v8a" "armeabi-v7a" "x86_64" )
TARGET_CCS=( "aarch64-linux-android21-clang" "armv7a-linux-androideabi21-clang" "x86_64-linux-android21-clang" )
# Find the NDK toolchain bin directory
TOOLCHAIN="$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin"
if [ ! -d "$TOOLCHAIN" ]; then
TOOLCHAIN="$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/darwin-x86_64/bin"
fi
if [ ! -d "$TOOLCHAIN" ]; then
TOOLCHAIN="$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/darwin-aarch64/bin"
fi
if [ ! -d "$TOOLCHAIN" ]; then
echo "Error: Cannot find NDK toolchain in $ANDROID_NDK_HOME"
exit 1
fi
# Crates to build (order matters: ffi depends on crypto, but cargo handles that)
CRATES=("salvium-crypto" "salvium-ffi")
echo "==> Building Salvium libraries for Android"
echo " NDK: $ANDROID_NDK_HOME"
echo " Crates: ${CRATES[*]}"
echo ""
for i in "${!TARGETS[@]}"; do
target="${TARGETS[$i]}"
abi="${TARGET_ABIS[$i]}"
cc="${TARGET_CCS[$i]}"
echo " ── $target ($abi) ──"
# Set linker/compiler for this target via CARGO_TARGET env vars
target_upper="${target//-/_}"
target_upper="${target_upper^^}"
export "CARGO_TARGET_${target_upper}_LINKER=$TOOLCHAIN/$cc"
export "CC_${target//-/_}=$TOOLCHAIN/$cc"
export "AR_${target//-/_}=$TOOLCHAIN/llvm-ar"
export PATH="$TOOLCHAIN:$PATH"
for crate in "${CRATES[@]}"; do
echo " Building $crate..."
cargo build --release \
--target "$target" \
-p "$crate" \
--manifest-path "$ROOT_DIR/Cargo.toml"
done
# Copy built .so files to prebuilt directory
mkdir -p "$OUT_DIR/$abi"
# salvium-crypto -> libsalvium_crypto.so
cp "$ROOT_DIR/target/$target/release/libsalvium_crypto.so" \
"$OUT_DIR/$abi/libsalvium_crypto.so"
# salvium-ffi -> libsalvium_ffi.so
cp "$ROOT_DIR/target/$target/release/libsalvium_ffi.so" \
"$OUT_DIR/$abi/libsalvium_ffi.so"
echo ""
done
echo "==> Done. Libraries:"
for i in "${!TARGETS[@]}"; do
abi="${TARGET_ABIS[$i]}"
echo " $abi:"
ls -lh "$OUT_DIR/$abi/"*.so
done