!/bin/bash
# JS BigInt to Wasm i64 integration, disabled by default WASM_BIGINT=false
emcc_exists=“$(command -v emcc)” if [ ! “${emcc_exists}” ]; then
echo "Emscripten not on path" exit 1
fi
# Parse arguments while [ $# -gt 0 ]; do
case $1 in --wasm-bigint) WASM_BIGINT=true ;; *) echo "ERROR: Unknown parameter: $1" >&2 exit 1 ;; esac shift
done
# Common compiler flags export CFLAGS=“-fPIC $EXTRA_CFLAGS” if [ “$WASM_BIGINT” = “true” ]; then
# We need to detect WASM_BIGINT support at compile time export CFLAGS+=" -DWASM_BIGINT"
fi export CXXFLAGS=“$CFLAGS -sNO_DISABLE_EXCEPTION_CATCHING $EXTRA_CXXFLAGS” export LDFLAGS=“-sEXPORTED_FUNCTIONS=_main,_malloc,_free -sALLOW_TABLE_GROWTH -sASSERTIONS -sNO_DISABLE_EXCEPTION_CATCHING” if [ “$WASM_BIGINT” = “true” ]; then
export LDFLAGS+=" -sWASM_BIGINT"
else
export LDFLAGS+=" -sEXPORTED_RUNTIME_METHODS='getTempRet0,setTempRet0'"
fi
# Specific variables for cross-compilation export CHOST=“wasm32-unknown-linux” # wasm32-unknown-emscripten
autoreconf -fiv emconfigure ./configure –prefix=“$(pwd)/target” –host=$CHOST –enable-static –disable-shared \
--disable-builddir --disable-multi-os-directory --disable-raw-api --disable-docs || (cat config.log && exit 1)
make
EMMAKEN_JUST_CONFIGURE=1 emmake make check \
RUNTESTFLAGS="LDFLAGS_FOR_TARGET='$LDFLAGS'" || (cat testsuite/libffi.log && exit 1)