Add API to check that dependent target properties form a DAG.

Initially this will only be used to check for self-references, but
can be extended to check for cycles when chaining properties of other
targets.

1 files changed, 1 insertions, 0 deletions

diff --git a/bootstrap b/bootstrap
index 23134d091b..89c9012a7c 100755
--- a/bootstrap
+++ b/bootstrap
@@ -202,6 +202,7 @@ CMAKE_CXX_SOURCES="\
   cmInstallDirectoryGenerator \
   cmGeneratedFileStream \
   cmGeneratorTarget \
+  cmGeneratorExpressionDAGChecker \
   cmGeneratorExpressionEvaluator \
   cmGeneratorExpressionLexer \
   cmGeneratorExpressionParser \