#!/bin/sh

set -e

cd flite-6c9f20dc915b17f5619340069889db0aa007fcdc

s_EXPORTED_FUNCTIONS="-s EXPORTED_FUNCTIONS=$(printf '_%s,' \
flite_wrapper_init \
flite_text_to_wave \
delete_val \
malloc
)_free"

shared_flags="-Oz -flto -fno-unroll-loops -fno-inline -mnontrapping-fptoint"
compile_flags="-DNDEBUG -DNO_STDIO $shared_flags"
link_flags="$shared_flags -s MALLOC=emmalloc -s ASSERTIONS=0 -s INITIAL_MEMORY=$((20*1024*1024)) -s TOTAL_STACK=$((2*1024*1024)) -s STANDALONE_WASM=1 -s PURE_WASI=1 -s STACK_OVERFLOW_CHECK=0 -s WASM_BIGINT=1 -s ABORTING_MALLOC=0 -s MEMORY_GROWTH_GEOMETRIC_STEP=0 -s ALLOW_MEMORY_GROWTH=1"

emconfigure ./configure STRIP='emstrip' CFLAGS="$compile_flags" LDFLAGS="$link_flags" --host=wasm32 --disable-sockets --disable-shared --without-pic --with-mmap=none --with-audio=none --with-vox=cmu_us_kal
emmake make

emcc --no-entry $s_EXPORTED_FUNCTIONS $link_flags -o flite.wasm -Lbuild/wasm32-none/lib -Iinclude/ -lflite -lflite_usenglish -lflite_cmulex -lflite_cmu_us_kal ../extrafuncs.c

mkdir -p ../../src/main/resources/flite/
cp flite.wasm ../../src/main/resources/flite.wasm
cp COPYING ../../src/main/resources/flite/

exit 0