diff --git a/tools/gcc.py b/tools/gcc.py
index 2e29c8f34b17793f117103d7884872a46af5a229..8c9685d52b9a9811c367ca26e95331a012f0deca 100644
--- a/tools/gcc.py
+++ b/tools/gcc.py
@@ -23,7 +23,7 @@
 
 import os
 import re
-import platform 
+import platform
 
 def GetGCCRoot(rtconfig):
     exec_path = rtconfig.EXEC_PATH
@@ -63,7 +63,7 @@ def CheckHeader(rtconfig, filename):
     fn = os.path.join(root, prefix, 'include', filename)
     if os.path.isfile(fn):
         return True
-    
+
     return False
 
 def GetNewLibVersion(rtconfig):
@@ -98,18 +98,18 @@ def GCCResult(rtconfig, str):
 
     gcc_cmd = os.path.join(rtconfig.EXEC_PATH, rtconfig.CC)
 
-    # use temp file to get more information 
+    # use temp file to get more information
     f = open('__tmp.c', 'w')
     if f:
         f.write(str)
         f.close()
 
-        # '-fdirectives-only', 
+        # '-fdirectives-only',
         if(platform.system() == 'Windows'):
             child = subprocess.Popen([gcc_cmd, '-E', '-P', '__tmp.c'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
         else:
             child = subprocess.Popen(gcc_cmd + ' -E -P __tmp.c', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
-        
+
         stdout, stderr = child.communicate()
 
         # print(stdout)
@@ -148,7 +148,7 @@ def GCCResult(rtconfig, str):
 
             if re.findall('pthread_create', line):
                 posix_thread = 1
-    
+
         if have_fdset:
             result += '#define HAVE_FDSET 1\n'
 
@@ -162,7 +162,7 @@ def GCCResult(rtconfig, str):
             result += '#define HAVE_SIGVAL 1\n'
 
         if version:
-            result += '#define GCC_VERSION "%s"\n' % version
+            result += '#define GCC_VERSION_STR "%s"\n' % version
 
         result += '#define STDC "%s"\n' % stdc