commit 44e688d46a2d20fdb2cf83f8a81f57e8c85f5f2b
author Douglas Gregor <dgregor@apple.com> Thu Sep 29 00:52:27 2011 +0000
committer Douglas Gregor <dgregor@apple.com> Thu Sep 29 00:52:27 2011 +0000
tree 6b88c5d39ecf599ec9dffca2691b9f0e402c2a24
parent d299dccf9188b740e4e34a6e1d8f6a8345c796fe

Introduce an opt-in warning when a module is being implicitly built
from sources.

llvm-svn: 140746

clang/lib/Frontend/CompilerInstance.cpp

diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 554ca35..27fe3f1 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -752,6 +752,8 @@
       return 0;
     }
     
+    getDiagnostics().Report(ModuleNameLoc, diag::warn_module_build)
+      << ModuleName.getName();
     BuildingModule = true;
     compileModule(*this, ModuleName.getName(), ModuleFileName, UmbrellaHeader);
     ModuleFile = PP->getHeaderSearchInfo().lookupModule(ModuleName.getName());