When forming the link options for an imported module, also include the

link options for the modules it imports.

llvm-svn: 172448

1 files changed, 7 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index c43528866b0..4b662e0b899 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -2822,8 +2822,7 @@ void CodeGenModule::EmitTopLevelDecl(Decl *D) {
         Metadata->addOperand(llvm::MDNode::get(getLLVMContext(), OptString));
       }
 
-      // We've imported this module; now import any of its children that haven't
-      // already been imported.
+      // Import this module's (non-explicit) submodules.
       for (clang::Module::submodule_iterator Sub = Mod->submodule_begin(),
                                           SubEnd = Mod->submodule_end();
            Sub != SubEnd; ++Sub) {
@@ -2833,6 +2832,12 @@ void CodeGenModule::EmitTopLevelDecl(Decl *D) {
         if (ImportedModules.insert(*Sub))
           Stack.push_back(*Sub);
       }
+
+      // Import this module's dependencies.
+      for (unsigned I = 0, N = Mod->Imports.size(); I != N; ++I) {
+        if (ImportedModules.insert(Mod->Imports[I]))
+          Stack.push_back(Mod->Imports[I]);
+      }
     }
     break;
  }