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-rw-r--r--Source/cmAddDependenciesCommand.cxx12
1 files changed, 8 insertions, 4 deletions
diff --git a/Source/cmAddDependenciesCommand.cxx b/Source/cmAddDependenciesCommand.cxx
index a77140d61..04a304e39 100644
--- a/Source/cmAddDependenciesCommand.cxx
+++ b/Source/cmAddDependenciesCommand.cxx
@@ -35,10 +35,14 @@ bool cmAddDependenciesCommand
}
else
{
- std::string error = "Adding dependency to non-existent target: ";
- error += target_name;
- this->SetError(error.c_str());
- return false;
+ cmOStringStream e;
+ e << "Cannot add target-level dependencies to non-existent target \""
+ << target_name << "\".\n"
+ << "The add_dependencies works for top-level logical targets created "
+ << "by the add_executable, add_library, or add_custom_target commands. "
+ << "If you want to add file-level dependencies see the DEPENDS option "
+ << "of the add_custom_target and add_custom_command commands.";
+ this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
}
return true;