From 95f4f2cf6102f95abf6948d74907c44c3540eddd Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Mon, 4 Oct 2010 16:16:19 +0000
Subject: * If std::tr1::unordered_set is unavailable, use std::set.

---
 src/libexpr/symbol-table.hh | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/libexpr/symbol-table.hh')

diff --git a/src/libexpr/symbol-table.hh b/src/libexpr/symbol-table.hh
index 424c23538..20ebe5fed 100644
--- a/src/libexpr/symbol-table.hh
+++ b/src/libexpr/symbol-table.hh
@@ -1,8 +1,13 @@
 #ifndef __SYMBOL_TABLE_H
 #define __SYMBOL_TABLE_H
 
+#include "config.h"
+
 #include <map>
+
+#if HAVE_TR1_UNORDERED_SET
 #include <tr1/unordered_set>
+#endif
 
 #include "types.hh"
 
@@ -60,7 +65,11 @@ inline std::ostream & operator << (std::ostream & str, const Symbol & sym)
 class SymbolTable
 {
 private:
+#if HAVE_TR1_UNORDERED_SET 
     typedef std::tr1::unordered_set<string> Symbols;
+#else
+    typedef std::set<string> Symbols;
+#endif
     Symbols symbols;
 
 public:
-- 
cgit v1.2.3