if {![file exists build]} {mkdir build}
cd build
if {![file exists xilinx]} {mkdir xilinx}
cd xilinx

if {[file exists unisim]} {vdel -lib unisim -all}
vlib unisim

vcom -93 -work unisim  ../../xilinx/libsrc/unisims/unisim_vpkg.vhd
vcom -93 -work unisim  ../../xilinx/libsrc/unisims/unisim_vcomp.vhd
vcom -93 -work unisim  ../../xilinx/libsrc/unisims/unisim_smodel.vhd
vcom -93 -work unisim  ../../xilinx/libsrc/unisims/unisim_vital.vhd

cd ..
cd ..