From 8f8ab1e8f6d85748547c0d0e9987eed4f3c3e17b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 17 Apr 2015 15:08:05 +0200
Subject: Add support for target groups, use to handle obj/obja/objso object
 targets

---
 build/rule.cxx | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'build/rule.cxx')

diff --git a/build/rule.cxx b/build/rule.cxx
index 884b28d..a9afe1b 100644
--- a/build/rule.cxx
+++ b/build/rule.cxx
@@ -102,20 +102,21 @@ namespace build
     //
     timestamp mt (dynamic_cast<path_target&> (t).mtime ());
 
-    for (const prerequisite& p: t.prerequisites)
+    for (target* pt: t.prerequisites)
     {
-      target& pt (*p.target);
-      target_state ts (execute (a, pt));
+      assert (pt != nullptr); // We don't skip anything.
+
+      target_state ts (execute (a, *pt));
 
       // If this is an mtime-based target, then compare timestamps.
       //
-      if (auto mpt = dynamic_cast<const mtime_target*> (&pt))
+      if (auto mpt = dynamic_cast<const mtime_target*> (pt))
       {
         timestamp mp (mpt->mtime ());
 
         if (mt < mp)
           fail << "no recipe to " << diag_do (a, t) <<
-            info << "prerequisite " << pt << " is ahead of " << t
+            info << "prerequisite " << *pt << " is ahead of " << t
                << " by " << (mp - mt);
       }
       else
@@ -124,7 +125,7 @@ namespace build
         //
         if (ts == target_state::changed)
           fail << "no recipe to " << diag_do (a, t) <<
-            info << "prerequisite " << pt << " is ahead of " << t
+            info << "prerequisite " << *pt << " is ahead of " << t
                << " because it was updated";
       }
     }
-- 
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