From 449227d505edd52c24928b78da164435d61153ad Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 30 Apr 2012 11:45:51 +0200
Subject: Add empty source file to facilitate VC++ symbol exporting

---
 odb/callback.cxx | 11 +++++++++++
 odb/makefile     |  1 +
 2 files changed, 12 insertions(+)
 create mode 100644 odb/callback.cxx

diff --git a/odb/callback.cxx b/odb/callback.cxx
new file mode 100644
index 0000000..94a618e
--- /dev/null
+++ b/odb/callback.cxx
@@ -0,0 +1,11 @@
+// file      : odb/callback.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/callback.hxx>
+
+namespace odb
+{
+  // This otherwise unnecessary file is here to allow instantiation
+  // of inline functions for exporting.
+}
diff --git a/odb/makefile b/odb/makefile
index fd61513..5a5b48a 100644
--- a/odb/makefile
+++ b/odb/makefile
@@ -5,6 +5,7 @@
 include $(dir $(lastword $(MAKEFILE_LIST)))../build/bootstrap.make
 
 cxx :=             \
+callback.cxx       \
 exceptions.cxx     \
 database.cxx       \
 connection.cxx     \
-- 
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