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-rw-r--r--Source/CPack/cmCPackGenerator.cxx1
1 files changed, 1 insertions, 0 deletions
diff --git a/Source/CPack/cmCPackGenerator.cxx b/Source/CPack/cmCPackGenerator.cxx
index 2f69c25..22d4bf0 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -717,6 +717,7 @@ int cmCPackGenerator::InstallProjectViaInstallCMakeProjects(
cmake cm;
cm.SetHomeDirectory("");
cm.SetHomeOutputDirectory("");
+ cm.GetCurrentSnapshot().SetDefaultDefinitions();
cm.AddCMakePaths();
cm.SetProgressCallback(cmCPackGeneratorProgress, this);
cmGlobalGenerator gg(&cm);