#!/usr/bin/env bash
# Compiles the binding and the JSON drawing generator and links them with the
# static libraries built in the Dockerfile's deps stage. Runs inside the
# emscripten/emsdk container.
#
#   compile.sh <outdir>   ->  <outdir>/revenge.mjs and <outdir>/revenge.wasm
set -euo pipefail

OUT="${1:-/out}"
PREFIX="${PREFIX:-/opt/rv}"
EH_FLAGS="${EH_FLAGS:--fwasm-exceptions}"
PORTS="-sUSE_ZLIB=1 -sUSE_ICU=1 -sUSE_BOOST_HEADERS=1"
INCLUDES="-I${PREFIX}/include/librevenge-0.0 -I${PREFIX}/include/libmspub-0.1 -I${PREFIX}/include/libcdr-0.1"
LIBS="-L${PREFIX}/lib -lmspub-0.1 -lcdr-0.1 -llcms2 -lrevenge-stream-0.0 -lrevenge-0.0"

mkdir -p "${OUT}"
em++ -std=c++17 -Oz ${EH_FLAGS} ${PORTS} ${INCLUDES} -c JSONDrawingGenerator.cpp -o /tmp/JSONDrawingGenerator.o
em++ -std=c++17 -Oz ${EH_FLAGS} ${PORTS} ${INCLUDES} -c binding.cpp -o /tmp/binding.o
emcc -Oz -c icudata_subset.c -o /tmp/icudata.o
em++ -Oz /tmp/binding.o /tmp/JSONDrawingGenerator.o /tmp/icudata.o ${LIBS} \
  ${EH_FLAGS} ${PORTS} \
  -lembind \
  -sMODULARIZE=1 -sEXPORT_ES6=1 -sEXPORT_NAME=createRevenge \
  -sENVIRONMENT=web,worker,node \
  -sALLOW_MEMORY_GROWTH=1 \
  -sSTACK_SIZE=1048576 \
  -sINITIAL_MEMORY=33554432 \
  -sFILESYSTEM=0 \
  -sDYNAMIC_EXECUTION=0 \
  -sINCOMING_MODULE_JS_API=print,printErr,locateFile \
  -o "${OUT}/revenge.mjs"
ls -l "${OUT}"