From 7c3eada02a3a22ff109ef0631e75586308ab2587 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 4 Dec 2017 13:24:37 +0200
Subject: Recognize empty cc.pattern

---
 build2/utility.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'build2/utility.cxx')

diff --git a/build2/utility.cxx b/build2/utility.cxx
index 36f8a4d..4945514 100644
--- a/build2/utility.cxx
+++ b/build2/utility.cxx
@@ -452,7 +452,7 @@ namespace build2
   string
   apply_pattern (const char* s, const string* p)
   {
-    if (p == nullptr)
+    if (p == nullptr || p->empty ())
       return s;
 
     size_t i (p->find ('*'));
-- 
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