From f5fba11159da64e53829a151a9d19d022ac63662 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 27 May 2020 08:24:17 +0200
Subject: Don't export ad hoc rule implementation details

---
 libbuild2/rule.hxx | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/libbuild2/rule.hxx b/libbuild2/rule.hxx
index a674b05..efa4ec3 100644
--- a/libbuild2/rule.hxx
+++ b/libbuild2/rule.hxx
@@ -116,7 +116,9 @@ namespace build2
 
   // Ad hoc rule.
   //
-  class LIBBUILD2_SYMEXPORT adhoc_rule: rule
+  // Note: not exported
+  //
+  class adhoc_rule: public rule
   {
   public:
     location_value loc;     // Buildfile location of the recipe.
@@ -162,9 +164,9 @@ namespace build2
 
   // Ad hoc script rule.
   //
-  // Note: should not be used directly (i.e., registered).
+  // Note: not exported and should not be used directly (i.e., registered).
   //
-  class LIBBUILD2_SYMEXPORT adhoc_script_rule: public adhoc_rule
+  class adhoc_script_rule: public adhoc_rule
   {
   public:
     virtual bool
@@ -196,7 +198,7 @@ namespace build2
 
   // Ad hoc C++ rule.
   //
-  // Note: should not be used directly (i.e., registered).
+  // Note: exported but should not be used directly (i.e., registered).
   //
   class LIBBUILD2_SYMEXPORT cxx_rule: public rule
   {
@@ -219,7 +221,9 @@ namespace build2
     match (action, target&, const string&) const override;
   };
 
-  class LIBBUILD2_SYMEXPORT adhoc_cxx_rule: public adhoc_rule
+  // Note: not exported.
+  //
+  class adhoc_cxx_rule: public adhoc_rule
   {
   public:
     virtual bool
-- 
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