does not need a second argument

1 files changed, 7 insertions, 1 deletions

diff --git a/Source/cmTargetLinkLibrariesCommand.cxx b/Source/cmTargetLinkLibrariesCommand.cxx
index e2816ee156..c1ea454ee9 100644
--- a/Source/cmTargetLinkLibrariesCommand.cxx
+++ b/Source/cmTargetLinkLibrariesCommand.cxx
@@ -19,11 +19,17 @@
 // cmTargetLinkLibrariesCommand
 bool cmTargetLinkLibrariesCommand::InitialPass(std::vector<std::string> const& argsIn)
 {
-  if(argsIn.size() < 2)
+  // must have one argument
+  if(argsIn.size() < 1)
     {
     this->SetError("called with incorrect number of arguments");
     return false;
     }
+  // but we might not have any libs after variable expansion
+  if(argsIn.size() < 2)
+    {
+    return true;
+    }
   std::vector<std::string> args;
   cmSystemTools::ExpandListArguments(argsIn, args);
   // add libraries, nothe that there is an optional prefix