message: added export WASM_ROOT=/usr/local/wasm to eosio_build.sh
diff: if [ $ARCH == "Darwin" ]; then
  OPENSSL_ROOT_DIR=/usr/local/opt/openssl
  OPENSSL_LIBRARIES=/usr/local/opt/openssl/lib
  - WASM_ROOT=/usr/local/wasm
  + export WASM_ROOT=/usr/local/wasm
  CXX_COMPILER=clang++
  C_COMPILER=clang
  