From f36d3e02033ff2f9d14cb20a6d338c8bb09a3962 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 1 Jun 2017 15:18:08 +0200
Subject: Implement module interface unit compilation for Clang and VC

---
 build2/algorithm.cxx | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'build2/algorithm.cxx')

diff --git a/build2/algorithm.cxx b/build2/algorithm.cxx
index 156a209..8f555dd 100644
--- a/build2/algorithm.cxx
+++ b/build2/algorithm.cxx
@@ -244,6 +244,33 @@ namespace build2
     sched.resume (t.task_count);
   }
 
+  target_lock
+  add_adhoc_member (action a, target& t, const target_type& tt, const char* s)
+  {
+    string n (t.name);
+    if (s != nullptr)
+    {
+      n += '.';
+      n += s;
+    }
+
+    const target& m (t.member != nullptr // Might already be there.
+                     ? *t.member
+                     : search (t, tt, t.dir, t.out, n));
+
+    target_lock l (lock (a, m));
+    assert (l.target != nullptr); // Someone messing with ad hoc members?
+
+    if (t.member == nullptr)
+      t.member = l.target;
+    else
+      // Basic sanity check.
+      //
+      assert (t.member->type () == tt && t.member->name == n);
+
+    return l;
+  };
+
   // Return the matching rule and the recipe action.
   //
   pair<const pair<const string, reference_wrapper<const rule>>*, action>
-- 
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