diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -636,6 +636,11 @@
   // Check if this is a console device. This is not equivalent to isatty.
   IsWindowsConsole =
       ::GetFileType((HANDLE)::_get_osfhandle(fd)) == FILE_TYPE_CHAR;
+
+  // If this isn't a Windows console device, don't try to use API to set color.
+  // Switch to ANSI escape codes instead.
+  if (!IsWindowsConsole)
+    llvm::sys::Process::UseANSIEscapeCodes(true);
 #endif
 
   // Get the starting position.