mirror of
https://github.com/MercuryWorkshop/scramjet.git
synced 2025-05-14 06:50:01 -04:00
46 lines
1.3 KiB
Bash
Executable file
46 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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shopt -s inherit_errexit
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# Check for cargo and wasm-bindgen
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which cargo wasm-bindgen wasm-opt &> /dev/null || {
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echo "Please install cargo, wasm-bindgen, and wasm-opt! Exiting..."
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exit 1
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}
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WBG="wasm-bindgen 0.2.95"
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if [ "$(wasm-bindgen -V)" != "$WBG" ]; then
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echo "Incorrect wasm-bindgen version: '$(wasm-bindgen -V)' != '$WBG'"
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exit 1
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fi
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RUSTFLAGS='-C target-feature=+atomics,+bulk-memory,+simd128 -Zlocation-detail=none' cargo build --lib --target wasm32-unknown-unknown -Z build-std=panic_abort,std -Z build-std-features=panic_immediate_abort --features "${FEATURES:-}" --release
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wasm-bindgen --weak-refs --target web --out-dir out/ target/wasm32-unknown-unknown/release/rewriter.wasm
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sed -i 's/import.meta.url/""/g' out/rewriter.js
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cd ..
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WASM=rewriter/out/rewriter_bg.wasm
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if ! [ "${RELEASE:-0}" = "1" ]; then
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WASMOPTFLAGS="-g"
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else
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WASMOPTFLAGS=""
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fi
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time wasm-opt $WASMOPTFLAGS -O4 --vacuum --dce --enable-threads --enable-bulk-memory --enable-simd "$WASM" -o rewriter/out/optimized.wasm
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{
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cat <<EOF
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if ("document" in self && document.currentScript) {
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document.currentScript.remove();
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}
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EOF
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echo -n "self.WASM = '"
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base64 -w0 < "rewriter/out/optimized.wasm"
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echo -n "';"
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} > dist/scramjet.wasm.js
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echo "Rewriter Build Complete!"
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