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#!/usr/bin/env bash |
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# build-jvm.sh |
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# |
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# Builds the Onde Rust crate as a shared library for the host JVM platform |
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# and copies the output into lib/src/jvmMain/resources/native/<os-arch>/ for |
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# bundling in the JVM JAR. |
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# |
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# This script detects the host OS and architecture automatically. For |
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# cross-compilation, set ONDE_TARGET_TRIPLE explicitly. |
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# |
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# Prerequisites |
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# ------------- |
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# 1. Rust stable toolchain installed |
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# 2. On macOS: Xcode command line tools (for Metal backend) |
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# 3. On Linux: standard build tools (gcc, etc.) |
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# |
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# Usage |
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# ----- |
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# ./scripts/build-jvm.sh # host platform, release |
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# ./scripts/build-jvm.sh --debug # host platform, debug |
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# ONDE_TARGET_TRIPLE=x86_64-apple-darwin ./scripts/build-jvm.sh # cross-compile |
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set -euo pipefail |
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
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SDK_DIR="$(cd "$SCRIPT_DIR/.." && pwd)" |
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REPO_ROOT="$(cd "$SDK_DIR/../.." && pwd)" |
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RESOURCES_DIR="$SDK_DIR/lib/src/jvmMain/resources/native" |
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PROFILE="release" |
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for arg in "$@"; do |
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if [[ "$arg" == "--debug" ]]; then |
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PROFILE="debug" |
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fi |
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done |
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# ── Detect host platform ────────────────────────────────────────────────────── |
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detect_platform() { |
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local os arch |
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case "$(uname -s)" in |
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Darwin) os="macos" ;; |
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Linux) os="linux" ;; |
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*) echo "Error: unsupported OS: $(uname -s)"; exit 1 ;; |
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esac |
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case "$(uname -m)" in |
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arm64|aarch64) arch="aarch64" ;; |
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x86_64|amd64) arch="x86_64" ;; |
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*) echo "Error: unsupported architecture: $(uname -m)"; exit 1 ;; |
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esac |
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echo "$os-$arch" |
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} |
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# Map our platform label to a Rust target triple |
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platform_to_triple() { |
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case "$1" in |
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macos-aarch64) echo "aarch64-apple-darwin" ;; |
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macos-x86_64) echo "x86_64-apple-darwin" ;; |
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linux-aarch64) echo "aarch64-unknown-linux-gnu" ;; |
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linux-x86_64) echo "x86_64-unknown-linux-gnu" ;; |
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*) echo "Error: unknown platform: $1"; exit 1 ;; |
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esac |
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} |
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# Map our platform label to the shared library extension |
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platform_ext() { |
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case "$1" in |
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macos-*) echo "dylib" ;; |
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linux-*) echo "so" ;; |
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*) echo "Error: unknown platform: $1"; exit 1 ;; |
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esac |
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} |
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PLATFORM="$(detect_platform)" |
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TARGET_TRIPLE="${ONDE_TARGET_TRIPLE:-$(platform_to_triple "$PLATFORM")}" |
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LIB_EXT="$(platform_ext "$PLATFORM")" |
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MACOS_DEPLOYMENT_TARGET="${MACOS_DEPLOYMENT_TARGET:-14.0}" |
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echo "=== Building Onde for JVM (profile: $PROFILE) ===" |
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echo "Platform: $PLATFORM" |
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echo "Rust target: $TARGET_TRIPLE" |
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echo "Repository root: $REPO_ROOT" |
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# ── Build ────────────────────────────────────────────────────────────────────── |
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cd "$REPO_ROOT" |
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CARGO_ARGS=(build --manifest-path Cargo.toml --target "$TARGET_TRIPLE") |
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if [[ "$PROFILE" == "release" ]]; then |
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CARGO_ARGS+=(--release) |
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fi |
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echo "→ cargo ${CARGO_ARGS[*]}" |
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if [[ "$PLATFORM" == macos-* ]]; then |
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MACOSX_DEPLOYMENT_TARGET="$MACOS_DEPLOYMENT_TARGET" cargo "${CARGO_ARGS[@]}" |
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else |
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cargo "${CARGO_ARGS[@]}" |
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fi |
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# ── Copy to resources ────────────────────────────────────────────────────────── |
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SRC="$REPO_ROOT/target/$TARGET_TRIPLE/$PROFILE/libonde.$LIB_EXT" |
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DST_DIR="$RESOURCES_DIR/$PLATFORM" |
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DST="$DST_DIR/libonde.$LIB_EXT" |
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if [[ ! -f "$SRC" ]]; then |
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echo "Error: expected output not found: $SRC" |
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exit 1 |
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fi |
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mkdir -p "$DST_DIR" |
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cp "$SRC" "$DST" |
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echo "✓ $PLATFORM -> $DST" |
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echo |
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echo "JVM build complete." |
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echo "Native library copied to: $DST" |
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echo |
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echo "To build the JVM JAR with the bundled native library:" |
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echo " cd $SDK_DIR && ./gradlew :lib:jvmJar" |