density_fill: use default env values

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/scripts/density_fill.tcl

@@ -2,7 +2,7 @@ source $::env(SCRIPTS_DIR)/load.tcl
 erase_non_stage_variables final
 load_design 5_route.odb 5_route.sdc
 
-if { [env_var_equals USE_FILL 1] } {
+if { $::env(USE_FILL) } {
   set_propagated_clock [all_clocks]
   density_fill -rules $::env(FILL_CONFIG)
   # The .v file is just for debugging purposes, not a result of