From a7432e49d4c5009990da9bafb9c62a9542b04ac6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 25 Apr 2017 12:56:59 +0200
Subject: Rename version header to version-impl to give way to version module

---
 build2/version-impl | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 build2/version-impl

(limited to 'build2/version-impl')

diff --git a/build2/version-impl b/build2/version-impl
new file mode 100644
index 0000000..3df315e
--- /dev/null
+++ b/build2/version-impl
@@ -0,0 +1,37 @@
+// file      : build2/version-impl -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD2_VERSION // Note: using the version macro itself.
+
+#include <butl/version> // LIBBUTL_VERSION
+
+// Version format is AABBCCDD where
+//
+// AA - major version number
+// BB - minor version number
+// CC - bugfix version number
+// DD - alpha / beta (DD + 50) version number
+//
+// When DD is not 00, 1 is subtracted from AABBCC. For example:
+//
+// Version     AABBCCDD
+// 2.0.0       02000000
+// 2.1.0       02010000
+// 2.1.1       02010100
+// 2.2.0-a1    02019901
+// 3.0.0-b2    02999952
+//
+#define BUILD2_VERSION 49901
+#define BUILD2_VERSION_STR "0.5.0-a1"
+
+// Generally, we expect minor versions to be source code backwards-
+// compatible, thought we might have a minimum version requirement.
+//
+// Note: does not apply during early development.
+//
+#if LIBBUTL_VERSION != 49901
+#  error incompatible libbutl version
+#endif
+
+#endif // BUILD2_VERSION
-- 
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