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/rule-map.hxx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'libbuild2/rule-map.hxx')

diff --git a/libbuild2/rule-map.hxx b/libbuild2/rule-map.hxx
index 26f80a8..7994583 100644
--- a/libbuild2/rule-map.hxx
+++ b/libbuild2/rule-map.hxx
@@ -10,14 +10,13 @@
 #include <libbutl/prefix-map.mxx>
 
 #include <libbuild2/types.hxx>
+#include <libbuild2/forward.hxx>
 #include <libbuild2/utility.hxx>
 
 #include <libbuild2/action.hxx>
 
 namespace build2
 {
-  class rule;
-
   using hint_rule_map =
     butl::prefix_map<string, reference_wrapper<const rule>, '.'>;
 
-- 
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