Enable building of Carbon toolbox modules with unix-Python.
diff --git a/Mac/Modules/ctl/ctlscan.py b/Mac/Modules/ctl/ctlscan.py
index 0e0a80a..aac2cc4 100644
--- a/Mac/Modules/ctl/ctlscan.py
+++ b/Mac/Modules/ctl/ctlscan.py
@@ -1,11 +1,10 @@
# Scan <Controls.h>, generating ctlgen.py.
import sys
import os
-BGENDIR=os.path.join(sys.prefix, ':Tools:bgen:bgen')
+from bgenlocations import TOOLBOXDIR, BGENDIR
sys.path.append(BGENDIR)
from scantools import Scanner
-from bgenlocations import TOOLBOXDIR
def main():
# input = "Controls.h" # Universal Headers < 3.3