From e5d4c47040e526f0302a53c75ccf1f8c3f5981a1 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 29 Oct 2019 14:17:30 +0200
Subject: Add forward declaration header for build state types

---
 libbuild2/target-type.hxx | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'libbuild2/target-type.hxx')

diff --git a/libbuild2/target-type.hxx b/libbuild2/target-type.hxx
index 3325df1..120e6e0 100644
--- a/libbuild2/target-type.hxx
+++ b/libbuild2/target-type.hxx
@@ -8,18 +8,13 @@
 #include <map>
 
 #include <libbuild2/types.hxx>
+#include <libbuild2/forward.hxx>
 #include <libbuild2/utility.hxx>
 
 #include <libbuild2/export.hxx>
 
 namespace build2
 {
-  class scope;
-  class target;
-  class context;
-  class target_key;
-  class prerequisite_key;
-
   // Target type.
   //
   // Note that we assume there is always a single instance of this class for
-- 
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