From 774bfb559ecaef2aac1dcb7a0414bc6895a9b9d5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 17 Jun 2016 16:42:38 +0200
Subject: Initial take on DLL support for MinGW toolchain

---
 build2/algorithm | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'build2/algorithm')

diff --git a/build2/algorithm b/build2/algorithm
index 19b3971..d7dddba 100644
--- a/build2/algorithm
+++ b/build2/algorithm
@@ -220,6 +220,18 @@ namespace build2
   //
   target_state
   perform_clean_depdb (action, target&);
+
+  // Helper for custom perform(clean) implementations that cleans extra files
+  // specified as a list of extensions. The extension string can be NULL, in
+  // which case it is ignored. Otherwise, the first character can be '+', in
+  // which case the extension is added (without the plus) to the existing
+  // extension (if any). In all other cases, the old extension is replaced
+  // with the new one. For example:
+  //
+  // clean_extra (a, t, {"+.d", ".lib"});
+  //
+  target_state
+  clean_extra (action, file&, initializer_list<const char*> extra_ext);
 }
 
 #include <build2/algorithm.ixx>
-- 
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