Allow running generate.sh with customized header path

Author: paulgoetze

generate/generate.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 cd $(dirname $0)
 
-python3 headers.py
+python3 headers.py $1
 python3 generate.py
 cd ..
 cp -r generate/*.cr src/

generate/headers.py

@@ -21,9 +21,12 @@
 
 import os.path
 import re
+import sys
 
-
-inc_path = 'CSFML/include'
+try:
+    inc_path = sys.argv[1]
+except IndexError:
+    inc_path = 'CSFML/include'
 
 skip = 'WindowHandle'.split()