#!/usr/bin/env bash

# Copyright (c) 2024 Xiaomi Corporation

#

# This script is to build sherpa-onnx for WebAssembly (TTS)

set -ex

if [ x"$EMSCRIPTEN" == x"" ]; then

if ! command -v emcc &> /dev/null; then

echo "Please install emscripten first"

echo ""

echo "You can use the following commands to install it:"

echo ""

echo "git clone https://github.com/emscripten-core/emsdk.git"

echo "cd emsdk"

echo "git pull"

echo "./emsdk install 3.1.53"

echo "./emsdk activate 3.1.53"

echo "source ./emsdk_env.sh"

exit 1

else

EMSCRIPTEN=$(dirname $(realpath $(which emcc)))

emcc --version

fi

fi

export EMSCRIPTEN=$EMSCRIPTEN

echo "EMSCRIPTEN: $EMSCRIPTEN"

if [ ! -f $EMSCRIPTEN/cmake/Modules/Platform/Emscripten.cmake ]; then

echo "Cannot find $EMSCRIPTEN/cmake/Modules/Platform/Emscripten.cmake"

echo "Please make sure you have installed emsdk correctly"

exit 1

fi

mkdir -p build-wasm-simd-tts

pushd build-wasm-simd-tts

export SHERPA_ONNX_IS_USING_BUILD_WASM_SH=ON

cmake \

-DCMAKE_INSTALL_PREFIX=./install \

-DCMAKE_BUILD_TYPE=Release \

-DCMAKE_TOOLCHAIN_FILE=$EMSCRIPTEN/cmake/Modules/Platform/Emscripten.cmake \

\

-DSHERPA_ONNX_ENABLE_PYTHON=OFF \

-DSHERPA_ONNX_ENABLE_TESTS=OFF \

-DSHERPA_ONNX_ENABLE_CHECK=OFF \

-DBUILD_SHARED_LIBS=OFF \

-DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \

-DSHERPA_ONNX_ENABLE_JNI=OFF \

-DSHERPA_ONNX_ENABLE_C_API=ON \

-DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \

-DSHERPA_ONNX_ENABLE_GPU=OFF \

-DSHERPA_ONNX_ENABLE_WASM=ON \

-DSHERPA_ONNX_ENABLE_WASM_TTS=ON \

-DSHERPA_ONNX_ENABLE_BINARY=OFF \

-DSHERPA_ONNX_LINK_LIBSTDCPP_STATICALLY=OFF \

..

make -j2

make install

ls -lh install/bin/wasm/tts