worth a shot
# include files
rm -rf ${PREFIX}/include/openssl*
-CXX=g++
# set these so the default in setup.py are not used
-export GRPC_PYTHON_CFLAGS=""
+export GRPC_PYTHON_CFLAGS="-std=c++11"
export GRPC_PYTHON_LDFLAGS=""
if [[ $(uname) == Darwin ]]; then
