radv: add initial trap handler support with RADV_TRAP_HANDLER=1

[mesa.git] / scons / custom.py

diff --git a/scons/custom.py b/scons/custom.py
index 8028990ef61b3a1af8f5de0f8697b13375d89d6b..2fad8f5b6d4398dfb0fe18c771579b8194f71192 100644 (file)
--- a/scons/custom.py
+++ b/scons/custom.py
@@ -262,8 +262,12 @@ def parse_source_list(env, filename, names=None):
     sym_table = parser.parse(src.abspath)
 
     if names:
-        if isinstance(names, basestring):
-            names = [names]
+        if sys.version_info[0] >= 3:
+            if isinstance(names, str):
+                names = [names]
+        else:
+            if isinstance(names, basestring):
+                names = [names]
 
         symbols = names
     else: