1 files changed, 7 insertions, 2 deletions
diff --git a/clang/lib/Tooling/CustomCompilationDatabase.h b/clang/lib/Tooling/CustomCompilationDatabase.h
index a24915a08f7..b375f8d2563 100644
--- a/clang/lib/Tooling/CustomCompilationDatabase.h
+++ b/clang/lib/Tooling/CustomCompilationDatabase.h
@@ -19,14 +19,14 @@
 //  custom compilation databases and make enabling that a build option.
 //
 //===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_TOOLING_CUSTOM_COMPILATION_DATABASE_H
+#define LLVM_CLANG_TOOLING_CUSTOM_COMPILATION_DATABASE_H
 
 #include "llvm/ADT/StringRef.h"
 
 namespace clang {
 namespace tooling {
 class CompilationDatabase;
-}
-}
 
 /// \brief Returns a CompilationDatabase for the given \c Directory.
 ///
@@ -35,3 +35,8 @@ class CompilationDatabase;
 /// parents. If a compilation database cannot be found or loaded, returns NULL.
 clang::tooling::CompilationDatabase *findCompilationDatabaseForDirectory(
   llvm::StringRef Directory);
+
+} // namespace tooling
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLING_CUSTOM_COMPILATION_DATABASE_H