From 8b55e8151bd69e4ef11a67aff57618193f559618 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 7 Dec 2015 12:16:29 +0200
Subject: Add support for specifying minimum required build2 version

The syntax is:

using build@0.1.0-a1

The idea is that we will later also use it for modules and 'build' is
a special, the "build system itself" module.

Also fix a problem with peeking and lexer mode switching.
---
 build/types | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'build/types')

diff --git a/build/types b/build/types
index c119839..2dc9b04 100644
--- a/build/types
+++ b/build/types
@@ -7,6 +7,7 @@
 
 #include <vector>
 #include <string>
+#include <utility>     // pair
 #include <memory>      // unique_ptr, shared_ptr
 #include <functional>  // reference_wrapper
 
@@ -19,6 +20,7 @@ namespace build
 {
   // Commonly-used types.
   //
+  using std::pair;
   using std::string;
   using std::unique_ptr;
   using std::shared_ptr;
-- 
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