From f0edc0e2b67fa43c4e2410c7d3d8f1841d576749 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 26 Aug 2016 16:37:16 +0200
Subject: Add pkg-config support for import installed

Redesign library importing/exporting while at it.
---
 build2/utility.cxx | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'build2/utility.cxx')

diff --git a/build2/utility.cxx b/build2/utility.cxx
index ef90084..db0d6b2 100644
--- a/build2/utility.cxx
+++ b/build2/utility.cxx
@@ -31,10 +31,15 @@ namespace build2
   ostream&
   operator<< (ostream& os, const process_path& p)
   {
-    os << p.recall_string ();
+    if (p.empty ())
+      os << "<empty>";
+    else
+    {
+      os << p.recall_string ();
 
-    if (!p.effect.empty ())
-      os << '@' << p.effect.string (); // Suppress relative().
+      if (!p.effect.empty ())
+        os << '@' << p.effect.string (); // Suppress relative().
+    }
 
     return os;
   }
-- 
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