ENH: allow duplicate commands with the same output to be reduced automatically to one command

1 files changed, 15 insertions, 0 deletions

diff --git a/Source/cmCustomCommand.cxx b/Source/cmCustomCommand.cxx
index 5facc4c..fffa51d 100644
--- a/Source/cmCustomCommand.cxx
+++ b/Source/cmCustomCommand.cxx
@@ -65,3 +65,18 @@ void cmCustomCommand::ExpandVariables(const cmMakefile &mf)
     mf.ExpandVariablesInString(*i);
     }
 }
+
+
+bool cmCustomCommand::IsEquivalent(const char* command,
+                                   const char* args)
+{
+  if(m_Command != command)
+    {
+    return false;
+    }
+  if(m_Arguments != args)
+    {
+    return false;
+    }
+  return true;
+}