From 195de65a84864cf5931325eeb2356f7d98155055 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 21 Jun 2021 11:59:04 +0200
Subject: Add support for automatic generation of symbol exporting .def file

---
 libbuild2/bin/def-rule.hxx | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 libbuild2/bin/def-rule.hxx

(limited to 'libbuild2/bin/def-rule.hxx')

diff --git a/libbuild2/bin/def-rule.hxx b/libbuild2/bin/def-rule.hxx
new file mode 100644
index 0000000..32423a0
--- /dev/null
+++ b/libbuild2/bin/def-rule.hxx
@@ -0,0 +1,41 @@
+// file      : libbuild2/bin/def-rule.hxx -*- C++ -*-
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBBUILD2_BIN_DEF_RULE_HXX
+#define LIBBUILD2_BIN_DEF_RULE_HXX
+
+#include <libbuild2/types.hxx>
+#include <libbuild2/utility.hxx>
+
+#include <libbuild2/rule.hxx>
+
+#include <libbuild2/bin/export.hxx>
+
+namespace build2
+{
+  namespace bin
+  {
+    // Generate a .def file from one or more object files and/or utility
+    // libraries that exports all their symbols.
+    //
+    class LIBBUILD2_BIN_SYMEXPORT def_rule: public simple_rule
+    {
+    public:
+      def_rule () {}
+
+      virtual bool
+      match (action, target&, const string&) const override;
+
+      virtual recipe
+      apply (action, target&) const override;
+
+      static target_state
+      perform_update (action, const target&);
+
+    private:
+      static const string rule_id_;
+    };
+  }
+}
+
+#endif // LIBBUILD2_BIN_DEF_RULE_HXX
-- 
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