diff --git a/wscript b/wscript
index 8f34bff95..dc20d82f7 100644
--- a/wscript
+++ b/wscript
@@ -36,10 +36,10 @@ gcc_min_version = (4, 9, 2)
 # Bug 2181:  clang warnings about unused local typedefs and potentially
 # evaluated expressions affecting darwin clang/LLVM version 7.0.0 (Xcode 7)
 # or clang/LLVM version 3.6 or greater.  We must make this platform-specific.
-darwin_clang_version_warn_unused_local_typedefs = ('7', '0', '0')
-darwin_clang_version_warn_potentially_evaluated = ('7', '0', '0')
-clang_version_warn_unused_local_typedefs = ('3', '6', '0')
-clang_version_warn_potentially_evaluated = ('3', '6', '0')
+darwin_clang_version_warn_unused_local_typedefs = (7, 0, 0)
+darwin_clang_version_warn_potentially_evaluated = (7, 0, 0)
+clang_version_warn_unused_local_typedefs = (3, 6, 0)
+clang_version_warn_potentially_evaluated = (3, 6, 0)
 
 # Get the information out of the NS-3 configuration file.
 config_file_exists = False
@@ -424,14 +424,14 @@ def configure(conf):
     # bug 2181 on clang warning suppressions
     if conf.env['CXX_NAME'] in ['clang']:
         if Utils.unversioned_sys_platform() == 'darwin':
-            if conf.env['CC_VERSION'] >= darwin_clang_version_warn_unused_local_typedefs:
+            if tuple(map(int, conf.env['CC_VERSION'])) >= darwin_clang_version_warn_unused_local_typedefs:
                 env.append_value('CXXFLAGS', '-Wno-unused-local-typedefs')
-            if conf.env['CC_VERSION'] >= darwin_clang_version_warn_potentially_evaluated: 
+            if tuple(map(int, conf.env['CC_VERSION'])) >= darwin_clang_version_warn_potentially_evaluated:
                 env.append_value('CXXFLAGS', '-Wno-potentially-evaluated-expression')
         else:
-            if conf.env['CC_VERSION'] >= clang_version_warn_unused_local_typedefs:
+            if tuple(map(int, conf.env['CC_VERSION'])) >= clang_version_warn_unused_local_typedefs:
                 env.append_value('CXXFLAGS', '-Wno-unused-local-typedefs')
-            if conf.env['CC_VERSION'] >= clang_version_warn_potentially_evaluated: 
+            if tuple(map(int, conf.env['CC_VERSION'])) >= clang_version_warn_potentially_evaluated:
                 env.append_value('CXXFLAGS', '-Wno-potentially-evaluated-expression')
     env['ENABLE_STATIC_NS3'] = False
     if Options.options.enable_static: