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authorEelco Dolstra <e.dolstra@tudelft.nl>2010-10-04 16:16:19 +0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2010-10-04 16:16:19 +0000
commit95f4f2cf6102f95abf6948d74907c44c3540eddd (patch)
treef3b6c986dac065190da8a3204a0eaa9b180feabf /src/libexpr
parent36a23e86b6ab1265bbf883dd71bc844f7c9183f3 (diff)
downloadguix-95f4f2cf6102f95abf6948d74907c44c3540eddd.tar.gz
* If std::tr1::unordered_set is unavailable, use std::set.
Diffstat (limited to 'src/libexpr')
-rw-r--r--src/libexpr/symbol-table.hh9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libexpr/symbol-table.hh b/src/libexpr/symbol-table.hh
index 424c235389..20ebe5fedb 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: