improve support for systems that need unistd.h to get STDOUT_FILENO.
Patch contributed by Bjorn Reese!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55179 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index a5cf629..d776fa5 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -12,10 +12,15 @@
//===----------------------------------------------------------------------===//
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Config/config.h"
#include <ostream>
-using namespace llvm;
-#include <fcntl.h>
+#if defined(HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+#if defined(HAVE_FCNTL_H)
+# include <fcntl.h>
+#endif
#if defined(_MSC_VER)
#include <io.h>
@@ -30,6 +35,9 @@
#endif
#endif
+using namespace llvm;
+
+
// An out of line virtual method to provide a home for the class vtable.
void raw_ostream::handle() {}