1 files changed, 21 insertions, 5 deletions

diff --git a/Source/cmAddCustomCommandCommand.cxx b/Source/cmAddCustomCommandCommand.cxx
index 410f978..818b910 100644
--- a/Source/cmAddCustomCommandCommand.cxx
+++ b/Source/cmAddCustomCommandCommand.cxx
@@ -32,7 +32,7 @@ bool cmAddCustomCommandCommand
   std::string source, target, main_dependency, working;
   std::string comment_buffer;
   const char* comment = 0;
-  std::vector<std::string> depends, outputs, output;
+  std::vector<std::string> depends, outputs, output, byproducts;
   bool verbatim = false;
   bool append = false;
   bool uses_terminal = false;
@@ -57,6 +57,7 @@ bool cmAddCustomCommandCommand
     doing_main_dependency,
     doing_output,
     doing_outputs,
+    doing_byproducts,
     doing_comment,
     doing_working_directory,
     doing_nothing
@@ -127,6 +128,10 @@ bool cmAddCustomCommandCommand
       {
       doing = doing_output;
       }
+    else if (copy == "BYPRODUCTS")
+      {
+      doing = doing_byproducts;
+      }
     else if (copy == "WORKING_DIRECTORY")
       {
       doing = doing_working_directory;
@@ -150,6 +155,7 @@ bool cmAddCustomCommandCommand
         {
         case doing_output:
         case doing_outputs:
+        case doing_byproducts:
           if (!cmSystemTools::FileIsFullPath(copy.c_str()))
             {
             // This is an output to be generated, so it should be
@@ -233,6 +239,9 @@ bool cmAddCustomCommandCommand
          case doing_outputs:
            outputs.push_back(filename);
            break;
+         case doing_byproducts:
+           byproducts.push_back(filename);
+           break;
          case doing_comment:
            comment_buffer = copy;
            comment = comment_buffer.c_str();
@@ -272,7 +281,9 @@ bool cmAddCustomCommandCommand
     }
 
   // Make sure the output names and locations are safe.
-  if(!this->CheckOutputs(output) || !this->CheckOutputs(outputs))
+  if(!this->CheckOutputs(output) ||
+     !this->CheckOutputs(outputs) ||
+     !this->CheckOutputs(byproducts))
     {
     return false;
     }
@@ -314,7 +325,7 @@ bool cmAddCustomCommandCommand
     {
     // Source is empty, use the target.
     std::vector<std::string> no_depends;
-    this->Makefile->AddCustomCommandToTarget(target, no_depends,
+    this->Makefile->AddCustomCommandToTarget(target, byproducts, no_depends,
                                              commandLines, cctype,
                                              comment, working.c_str(),
                                              escapeOldStyle, uses_terminal);
@@ -322,8 +333,8 @@ bool cmAddCustomCommandCommand
   else if(target.empty())
     {
     // Target is empty, use the output.
-    this->Makefile->AddCustomCommandToOutput(output, depends,
-                                             main_dependency,
+    this->Makefile->AddCustomCommandToOutput(output, byproducts,
+                                             depends, main_dependency,
                                              commandLines, comment,
                                              working.c_str(), false,
                                              escapeOldStyle, uses_terminal);
@@ -351,6 +362,11 @@ bool cmAddCustomCommandCommand
         }
       }
     }
+  else if (!byproducts.empty())
+    {
+    this->SetError("BYPRODUCTS may not be specified with SOURCE signatures");
+    return false;
+    }
   else if (uses_terminal)
     {
     this->SetError("USES_TERMINAL may not be used with SOURCE signatures");