From d09f1c3de676c0a6542fd758c73623b24d9e05ad Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Sat, 7 Sep 2013 22:13:43 -0300
Subject: modtool: fix GRC XML file creation when no args

Fixes bug where no args produces ($) in make clause
---
 gr-utils/python/modtool/util_functions.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'gr-utils/python/modtool/util_functions.py')

diff --git a/gr-utils/python/modtool/util_functions.py b/gr-utils/python/modtool/util_functions.py
index 9551056f0d..9e8cf9a854 100644
--- a/gr-utils/python/modtool/util_functions.py
+++ b/gr-utils/python/modtool/util_functions.py
@@ -84,8 +84,10 @@ def strip_arg_types(string):
 def strip_arg_types_grc(string):
     """" Strip the argument types from a list of arguments for GRC make tag.
     Example: "int arg1, double arg2" -> "$arg1, $arg2" """
-    string = strip_default_values(string)
-    return ", ".join(['$' + part.strip().split(' ')[-1] for part in string.split(',')])
+    if len(string) == 0:
+        return ""
+    else:
+        return ", ".join(['$' + part.strip().split(' ')[-1] for part in string.split(',')])
 
 def get_modname():
     """ Grep the current module's name from gnuradio.project or CMakeLists.txt """
-- 
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