mirror of
https://github.com/pezkuwichain/pezkuwi-wasm.git
synced 2026-10-27 13:59:51 +00:00
Satoshi Qazi Muhammed
8f3c7354c7
Panic messages carry source paths, so the 7.5.20 wasm names the home directory it was built in 54 times. Remap the sysroot, the cargo home and the checkout to /rustc, /cargo and /build.
66 lines
2.3 KiB
Bash
Executable File
66 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2019-2025 @pezkuwi/wasm authors & contributors
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# This software may be modified and distributed under the terms
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# of the Apache-2.0 license. See the LICENSE file for details.
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set -e
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source "$(dirname "$0")/rust-version.sh"
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WSM=$PKG_NAME/build-wasm/wasm_bg.wasm
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OPT=$PKG_NAME/build-wasm/wasm_opt.wasm
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ASM=$PKG_NAME-asmjs/build/cjs/data.js
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DENO_DIR=$PKG_NAME-asmjs/build-deno/deno
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DENO_ASM=$DENO_DIR/data.js
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# build new via wasm-pack
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echo "*** Building Rust sources"
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cd $PKG_NAME
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# Panic messages carry source paths. Without this the published wasm names the
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# home directory of whoever built it; with it the bytes no longer depend on
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# where the toolchain, the registry or the checkout live.
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export RUSTFLAGS="${RUSTFLAGS:-} --remap-path-prefix=$(rustc --print sysroot)=/rustc --remap-path-prefix=${CARGO_HOME:-$HOME/.cargo}=/cargo --remap-path-prefix=$PWD=/build"
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if [ "$RUST_VER" == "stable" ]; then
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RUSTC_BOOTSTRAP=1 cargo build --target wasm32-unknown-unknown --release -Z build-std=std,panic_abort
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else
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rustup run $RUST_VER xargo build --target wasm32-unknown-unknown --release
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fi
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cd ..
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echo "*** Converting to WASM"
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# Use system wasm-bindgen (installed via cargo)
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wasm-bindgen $PKG_NAME/target/wasm32-unknown-unknown/release/wasm.wasm --out-dir $PKG_NAME/build-wasm --target web
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# optimise using system wasm-opt
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echo "*** Optimising WASM output"
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wasm-opt $WSM -Oz -o $OPT
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# convert wasm to base64 structure
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echo "*** Packing WASM into baseX"
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node ../scripts/pack-wasm-base.mjs
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# build asmjs version from the input (optimised) WASM
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echo "*** Building asm.js version"
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# Use system wasm2js
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wasm2js -Oz --output $ASM $OPT
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# copy the deno version
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mkdir -p $DENO_DIR
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cp $ASM $DENO_ASM
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# cleanup the generated asm, converting to cjs
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sed -i -e '/^import /d' $ASM
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sed -i -e '1,/var retasmFunc = /!d' $ASM
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sed -i -e 's/var retasmFunc = .*/exports.asmJsInit = (wbg) => asmFunc({ wbg });/g' $ASM
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# same as the cjs version, this time for deno
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sed -i -e '/^import /d' $DENO_ASM
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sed -i -e '1,/var retasmFunc = /!d' $DENO_ASM
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sed -i -e 's/var retasmFunc = .*/export const asmJsInit = (wbg) => asmFunc({ wbg });/g' $DENO_ASM
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# cleanups
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rm -rf $PKG_NAME-asmjs/build/cjs/*-e
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rm -rf $PKG_NAME-asmjs/build-deno/deno/*-e
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rm -rf $PKG_NAME-wasm/build/cjs/*-e
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rm -rf $PKG_NAME-wasm/build-deno/deno/*-e |