# For fresh Ubuntu 64bit needs to install tools:# sudo apt-get install build-essential# On 64bit system you need 32bit library support to build 32bit application:# sudo apt-get install g++-multilib# Just compile and link the target executable:gcc mlab_xvcd*.cpp lib_linux_i386/libftd2xx.a -m32 -ldl -lpthread -lrt -Os -o mlab_xvcd_i386