1 files changed, 48 insertions, 0 deletions
diff --git a/Source/cmTargetDepend.h b/Source/cmTargetDepend.h
new file mode 100644
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--- /dev/null
+++ b/Source/cmTargetDepend.h
@@ -0,0 +1,48 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2010 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmTargetDepend_h
+#define cmTargetDepend_h
+
+#include "cmStandardIncludes.h"
+
+class cmTarget;
+
+/** One edge in the global target dependency graph.
+    It may be marked as a 'link' or 'util' edge or both.  */
+class cmTargetDepend
+{
+  cmTarget* Target;
+
+  // The set order depends only on the Target, so we use
+  // mutable members to acheive a map with set syntax.
+  mutable bool Link;
+  mutable bool Util;
+public:
+  cmTargetDepend(cmTarget* t): Target(t), Link(false), Util(false) {}
+  operator cmTarget*() const { return this->Target; }
+  cmTarget* operator->() const { return this->Target; }
+  cmTarget& operator*() const { return *this->Target; }
+  friend bool operator < (cmTargetDepend const& l, cmTargetDepend const& r)
+    { return l.Target < r.Target; }
+  void SetType(bool strong) const
+    {
+    if(strong) { this->Util = true; }
+    else { this->Link = true; }
+    }
+  bool IsLink() const { return this->Link; }
+  bool IsUtil() const { return this->Util; }
+};
+
+/** Unordered set of (direct) dependencies of a target. */
+class cmTargetDependSet: public std::set<cmTargetDepend> {};
+
+#endif