1 files changed, 16 insertions, 0 deletions
diff --git a/Source/cmGlobalUnixMakefileGenerator3.h b/Source/cmGlobalUnixMakefileGenerator3.h
index 60ca2da2d0..3f8dbc23af 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.h
+++ b/Source/cmGlobalUnixMakefileGenerator3.h
@@ -97,6 +97,19 @@ public:
   void WriteConvenienceRules(std::ostream& ruleFileStream, 
                              std::set<cmStdString> &emitted);
 
+  /** In order to support parallel builds for custom commands with
+      multiple outputs the outputs are given a serial order, and only
+      the first output actually has the build rule.  Other outputs
+      just depend on the first one.  The check-build-system step must
+      remove a dependee if the depender is missing to make sure both
+      are regenerated properly.  This method is used by the local
+      makefile generators to register such pairs.  */
+  void AddMultipleOutputPair(const char* depender, const char* dependee);
+
+  /** Support for multiple custom command outputs.  Called during
+      check-build-system step.  */
+  virtual void CheckMultipleOutputs(cmMakefile* mf, bool verbose);
+
 protected:
   void WriteMainMakefile2();
   void WriteMainCMakefile();
@@ -137,6 +150,9 @@ protected:
   // added later.  If non-empty this variable holds a fake dependency
   // that can be added.
   std::string EmptyRuleHackDepends;
+
+  typedef std::map<cmStdString, cmStdString> MultipleOutputPairsType;
+  MultipleOutputPairsType MultipleOutputPairs;
 };
 
 #endif