diff --git a/master.cfg b/master.cfg
index bdd1cdc..a5fb4c2 100644
--- a/master.cfg
+++ b/master.cfg
@@ -253,7 +253,13 @@ send to the gdb-testers mailing list."""
             elif n == 'compile gdb':
                 text += "*** Failed to compiled GDB.  ***\n"
                 text += "============================\n"
-                text += log.getText ().decode ('ascii', 'ignore')
+                ct = log.getText ().decode ('ascii', 'ignore')
+                if len (ct) > 100000:
+                    text += "\n+++ The log is too big to be posted here."
+                    text += "\n+++ Please go to the \"Full Build URL\" (link above) to see it."
+                    text += "\n"
+                else:
+                    text += ct
                 text += "============================\n"
                 break
             elif n == 'make tags':