1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Basic/VirtualFileSystem.cpp b/clang/lib/Basic/VirtualFileSystem.cpp
index d559bee..dac0e5f 100644
--- a/clang/lib/Basic/VirtualFileSystem.cpp
+++ b/clang/lib/Basic/VirtualFileSystem.cpp
@@ -19,9 +19,17 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/YAMLParser.h"
+#include "llvm/Config/llvm-config.h"
 #include <atomic>
 #include <memory>
 
+// For chdir.
+#ifdef LLVM_ON_WIN32
+#  include <direct.h>
+#else
+#  include <unistd.h>
+#endif
+
 using namespace clang;
 using namespace clang::vfs;
 using namespace llvm;