Sage patch, slightly modified, to improve tk/tcl detection.

efiring · efiring · commit 5c132e2221a2 · 2009-08-10T00:31:30.000Z
http://trac.sagemath.org/sage_trac/ticket/4176 svn path=/branches/v0_99_maint/; revision=7444
diff --git a/setupext.py b/setupext.py
@@ -545,7 +545,7 @@ def add_ft2font_flags(module):
     else:
         add_base_flags(module)
         module.libraries.append('z')
-    
+
     # put this last for library link order
     module.libraries.extend(std_libs)
 
@@ -1037,6 +1037,7 @@ def add_tk_flags(module):
         try:
             tcl_lib_dir, tk_lib_dir, tk_ver = query_tcltk()
         except:
+            tk_ver = ''
             result = hardcoded_tcl_config()
         else:
             result = parse_tcl_config(tcl_lib_dir, tk_lib_dir)
