From eba69d2728c5c9119d992cf33bfff9422fbed45a Mon Sep 17 00:00:00 2001
From: "Peter D. Barnes, Jr." <barnes26@llnl.gov>
Date: Wed, 14 Aug 2013 16:55:47 -0700
Subject: [PATCH] Handle showpos bug in gcc libstc++ 4.2.

---
 src/core/model/time.cc | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/core/model/time.cc b/src/core/model/time.cc
index ce8e9de6f..d95433238 100644
--- a/src/core/model/time.cc
+++ b/src/core/model/time.cc
@@ -323,7 +323,17 @@ operator<< (std::ostream& os, const Time & time)
   int64_t v = time.ToInteger (res);
   
   std::ios_base::fmtflags ff = os.flags ();
-  os << std::showpos << v << ".0" << unit;
+  { // See bug 1737:  gcc libstc++ 4.2 bug
+    if (v == 0)
+      { 
+	os << '+';
+      }
+    else
+      {
+	os << std::showpos;
+      }
+  }
+  os << v << ".0" << unit;
   os.flags (ff);  // Restore stream flags
   return os;
 }