From 74c9269e1363e33e4b3223a029049a13e6595e7e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 4 Nov 2024 07:44:34 +0200
Subject: Redo group_prerequisites to use snapshots of prerequisites (GH issue
 #408)

It turns out both target and group prerequisites can be replaced during
dependency synthesis in more obscure cases.
---
 libbuild2/prerequisite.cxx | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libbuild2/prerequisite.cxx')

diff --git a/libbuild2/prerequisite.cxx b/libbuild2/prerequisite.cxx
index bb77c9e..ec18665 100644
--- a/libbuild2/prerequisite.cxx
+++ b/libbuild2/prerequisite.cxx
@@ -91,4 +91,8 @@ namespace build2
 
     return r;
   }
+
+  // prerequisites
+  //
+  const prerequisites empty_prerequisites;
 }
-- 
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