diff --git a/lib/Archive/ArchiveReader.cpp b/lib/Archive/ArchiveReader.cpp
index a78c0f5..68873e2 100644
--- a/lib/Archive/ArchiveReader.cpp
+++ b/lib/Archive/ArchiveReader.cpp
@@ -16,6 +16,7 @@
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Module.h"
+#include <cstdio>
 #include <cstdlib>
 #include <memory>
 using namespace llvm;
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index efa54d2..69f0ff8 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -33,8 +33,9 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Config/config.h"
 #include <algorithm>
-#include <set>
+#include <cstdio>
 #include <map>
+#include <set>
 using namespace llvm;
 
 static cl::opt<std::string>
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 3280e09..d2ddf23 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -19,8 +19,9 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include <set>
 #include <algorithm>
+#include <cstdio>
+#include <set>
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index 0d27828..9a07970 100644
--- a/utils/TableGen/InstrInfoEmitter.cpp
+++ b/utils/TableGen/InstrInfoEmitter.cpp
@@ -18,6 +18,7 @@
 #include "llvm/TableGen/Record.h"
 #include "llvm/ADT/StringExtras.h"
 #include <algorithm>
+#include <cstdio>
 using namespace llvm;
 
 static void PrintDefList(const std::vector<Record*> &Uses,