1 files changed, 22 insertions, 1 deletions
diff --git a/src/systemc/SConsopts b/src/systemc/SConsopts
index fc0abb2ad..172de5724 100644
--- a/src/systemc/SConsopts
+++ b/src/systemc/SConsopts
@@ -27,8 +27,29 @@
 
 Import('*')
 
+from m5.util import compareVersions
+from m5.util.terminal import termcap
+
+def use_systemc_check(env, warn=False):
+    if ('GCC_VERSION' in env and
+            compareVersions(env['GCC_VERSION'], '5.0') < 0):
+        if warn:
+            print(termcap.Yellow + termcap.Bold +
+                  'Warning: Systemc may not work on gcc versions less '
+                  'than 5.0.' + termcap.Normal)
+        return False
+    elif env['PLATFORM'] == 'darwin':
+        if warn:
+            print(termcap.Yellow + termcap.Bold +
+                  'Warning: Systemc may not work on Mac OS.' + termcap.Normal)
+        return False
+    return True
+
+main.AddMethod(use_systemc_check, 'UseSystemcCheck')
+
 sticky_vars.AddVariables(
-    BoolVariable('USE_SYSTEMC', 'Enable SystemC API support', True)
+    BoolVariable('USE_SYSTEMC', 'Enable SystemC API support',
+                 main.UseSystemcCheck())
     )
 
 export_vars.append('USE_SYSTEMC')