veilid/veilid-wasm/wasm_build.sh

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#!/bin/bash
SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
set -eo pipefail
get_abs_filename() {
# $1 : relative filename
echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
}
pushd $SCRIPTDIR &> /dev/null
if [ -f /usr/local/opt/llvm/bin/llvm-dwarfdump ]; then
DWARFDUMP=/usr/local/opt/llvm/bin/llvm-dwarfdump
elif [ -f /opt/homebrew/llvm/bin/llvm-dwarfdump ]; then
DWARFDUMP=/opt/homebrew/llvm/bin/llvm-dwarfdump
else
DWARFDUMP=`which llvm-dwarfdump`
if [[ "${DWARFDUMP}" == "" ]]; then
echo llvm-dwarfdump not found
fi
fi
if [[ "$1" == "release" ]]; then
OUTPUTDIR=../target/wasm32-unknown-unknown/release/pkg
INPUTDIR=../target/wasm32-unknown-unknown/release
# Path to, but not including, the cargo workspace ("veilid")
WORKSPACE_PARENT=$(dirname $(dirname $(cargo locate-project --workspace --message-format=plain)))
# Do not include said path in wasm blob output
RUSTFLAGS="--remap-path-prefix=$WORKSPACE_PARENT=/home/user $RUSTFLAGS"
# Do not include user home directory in wasm blob output
RUSTFLAGS="--remap-path-prefix=$HOME=/home/user $RUSTFLAGS"
# Explicitly mark RUSTFLAGS as an environment variable, so it's passed to cargo
export RUSTFLAGS
cargo build --target wasm32-unknown-unknown --release
mkdir -p $OUTPUTDIR
wasm-bindgen --out-dir $OUTPUTDIR --target web --weak-refs $INPUTDIR/veilid_wasm.wasm
wasm-strip $OUTPUTDIR/veilid_wasm_bg.wasm
else
OUTPUTDIR=../target/wasm32-unknown-unknown/debug/pkg
INPUTDIR=../target/wasm32-unknown-unknown/debug
RUSTFLAGS="-O -g $RUSTFLAGS" cargo build --target wasm32-unknown-unknown
mkdir -p $OUTPUTDIR
wasm-bindgen --out-dir $OUTPUTDIR --target web --weak-refs --keep-debug --debug $INPUTDIR/veilid_wasm.wasm
./wasm-sourcemap.py $OUTPUTDIR/veilid_wasm_bg.wasm -o $OUTPUTDIR/veilid_wasm_bg.wasm.map --dwarfdump $DWARFDUMP
# wasm-strip $OUTPUTDIR/veilid_wasm_bg.wasm
fi
popd &> /dev/null
# Print for use with scripts
echo SUCCESS:OUTPUTDIR=$(get_abs_filename $OUTPUTDIR)