Merge pull request #102 from d-m-bailey/remove_old

Remove pre-existing magic and gate level verilog because they may be.  Testing on branch.

scripts/gen_gpio_defaults.py

@@ -66,6 +66,7 @@
 import os
 import sys
 import re
+import glob
 import subprocess
 
 def usage():
@@ -213,6 +214,12 @@ def usage():
 
     cellsused = [None] * 38
 
+    # Remove pre-existing versions of mag and verilog files because they may be out-of-date.
+    for old_mag_file in glob.glob(magpath + '/gpio_defaults_block_*.mag'):
+        os.remove(old_mag_file)
+    for old_verilog_file in glob.glob(glpath + '/gpio_defaults_block_*.v'):
+        os.remove(old_verilog_file)
+
     for i in range(0, 38):
         config_name = '`USER_CONFIG_GPIO_' + str(i) + '_INIT'
         try: