From 30dcb00062969f914e1c6e02070287f499e02fbf Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 29 Jul 2017 14:18:52 +0200
Subject: Fix bug in installed import library search on Windows

---
 build2/cc/common.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'build2/cc/common.cxx')

diff --git a/build2/cc/common.cxx b/build2/cc/common.cxx
index 195c3b7..ce8415c 100644
--- a/build2/cc/common.cxx
+++ b/build2/cc/common.cxx
@@ -224,6 +224,9 @@ namespace build2
       {
         for (auto pt: l.prerequisite_targets)
         {
+          if (pt == nullptr)
+            continue;
+
           bool a;
           const file* f;
 
@@ -622,12 +625,13 @@ namespace build2
               if (!exist)
               {
                 if (l.owns_lock ())
+                {
                   s->member = i;
+                  l.unlock ();
+                }
                 else
                   assert (s->member == i);
 
-                l.unlock ();
-
                 i->mtime (mt);
                 i->path (move (f));
 
-- 
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