Add an experimental flag -fauto-module-import that automatically turns

#include or #import direcctives of framework headers into module
imports of the corresponding framework module.

llvm-svn: 139860

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index c56cc3d9db4..92798c8c292 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -228,7 +228,10 @@ void CompilerInstance::createPreprocessor() {
   if (!getHeaderSearchOpts().DisableModuleHash)
     llvm::sys::path::append(SpecificModuleCache, 
                             getInvocation().getModuleHash());
-  PP->getHeaderSearchInfo().setModuleCachePath(SpecificModuleCache);
+  PP->getHeaderSearchInfo().configureModules(SpecificModuleCache,
+    getPreprocessorOpts().ModuleBuildPath.empty()
+      ? std::string() 
+      : getPreprocessorOpts().ModuleBuildPath.back());
   
   // Handle generating dependencies, if requested.
   const DependencyOutputOptions &DepOpts = getDependencyOutputOpts();