$(xilinx)xst -intstyle xflow -ifn main.xst -ofn main.syr < main.xst
$(xilinx)ngdbuild -aul -intstyle xflow -dd _ngo -nt timestamp -uc main.ucf -p $(device) main.ngc main.ngd
$(xilinx)map -intstyle xflow -p $(device) -cm speed -l -pr b -k 4 -c 100 -tx off -o main_map.ncd main.ngd main.pcf
$(xilinx)xst -intstyle xflow -ifn main.xst -ofn main.syr < main.xst
$(xilinx)ngdbuild -aul -intstyle xflow -dd _ngo -nt timestamp -uc main.ucf -p $(device) main.ngc main.ngd
$(xilinx)map -intstyle xflow -p $(device) -cm speed -l -pr b -k 4 -c 100 -tx off -o main_map.ncd main.ngd main.pcf