cmConstStack: Factor out of cmListFileBacktrace

This presents value semantics for a stack of constant values.
Internally it shares ownership to avoid copies.  Previously
this was implemented by `cmListFileBacktrace` explicitly,
but the approach can be re-used for other kinds of stacks.

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/cmComputeTargetDepends.h b/Source/cmComputeTargetDepends.h
index 0eab368..cdb66f8 100644
--- a/Source/cmComputeTargetDepends.h
+++ b/Source/cmComputeTargetDepends.h
@@ -10,12 +10,12 @@
 #include <vector>
 
 #include "cmGraphAdjacencyList.h"
-#include "cmListFileCache.h"
 
 class cmComputeComponentGraph;
 class cmGeneratorTarget;
 class cmGlobalGenerator;
 class cmLinkItem;
+class cmListFileBacktrace;
 class cmSourceFile;
 class cmTargetDependSet;