cmComputeComponentGraph: Move work out of constructor into Compute() method

The computation of Tarjan's algorithm is an expensive operation which
should not be done in the constructor. Move this work into a dedicated
Compute() method, and call this method explicitly.

1 files changed, 1 insertions, 0 deletions

diff --git a/Source/cmComputeTargetDepends.cxx b/Source/cmComputeTargetDepends.cxx
index 6b4d110..42c8a04 100644
--- a/Source/cmComputeTargetDepends.cxx
+++ b/Source/cmComputeTargetDepends.cxx
@@ -118,6 +118,7 @@ bool cmComputeTargetDepends::Compute()
 
   // Identify components.
   cmComputeComponentGraph ccg(this->InitialGraph);
+  ccg.Compute();
   if (this->DebugMode) {
     this->DisplayComponents(ccg);
   }