iverilog -g2005-sv \
wb_interconnect.sv \
../../lib/wb_stagging.sv \
../../clk_skew_adjust/src/clk_skew_adjust.gv \
$PDK_ROOT/sky130A/libs.ref/sky130_fd_sc_hd/verilog/sky130_fd_sc_hd.v \
$PDK_ROOT/sky130A/libs.ref/sky130_fd_sc_hd/verilog/primitives.v