1 files changed, 10 insertions, 0 deletions
diff --git a/Source/cmAddLibraryCommand.cxx b/Source/cmAddLibraryCommand.cxx
index 130a033a8b..0e61c99569 100644
--- a/Source/cmAddLibraryCommand.cxx
+++ b/Source/cmAddLibraryCommand.cxx
@@ -220,6 +220,16 @@ bool cmAddLibraryCommand
         );
       return true;
       }
+    if(type == cmTarget::INTERFACE_LIBRARY)
+      {
+      if (!cmGeneratorExpression::IsValidTargetName(libName))
+        {
+        cmOStringStream e;
+        e << "Invalid name for IMPORTED INTERFACE library target: " << libName;
+        this->SetError(e.str().c_str());
+        return false;
+        }
+      }
 
     // Make sure the target does not already exist.
     if(this->Makefile->FindTargetToUse(libName.c_str()))