X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FTDictionary.hh;h=4864630f969cf0c36bb117a7a5855300aead6de2;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=8807f83772e0e2076a86079b9d1ca12875ea25bc;hpb=84877da90dd68c88915b5ee54d31e9849f340eac;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/TDictionary.hh b/helm/DEVEL/mathml_editor/src/TDictionary.hh
index 8807f8377..4864630f9 100644
--- a/helm/DEVEL/mathml_editor/src/TDictionary.hh
+++ b/helm/DEVEL/mathml_editor/src/TDictionary.hh
@@ -30,7 +30,13 @@
 
 #include <string>
 #include <vector>
+#if defined(HAVE_EXT_HASH_MAP)
+#include <ext/hash_map>
+#elif defined(HAVE_HASH_MAP)
 #include <hash_map>
+#else
+#error "no hash_map could be found"
+#endif
 #include <list>
 
 #include "dom.hh"
@@ -93,8 +99,15 @@ public:
   std::string complete(const std::string, std::list<std::string>&) const;
 
 private:
+#if defined(HAVE_EXT_HASH_MAP)
+  struct StringHash : public std::unary_function< std::string, size_t >
+  { size_t operator()(const std::string& s) const { return __gnu_cxx::hash<char*>()(s.c_str()); } };
+#elif defined(HAVE_HASH_MAP)
   struct StringHash : public std::unary_function< std::string, size_t >
   { size_t operator()(const std::string& s) const { return hash<char*>()(s.c_str()); } };
+#else
+#error "no hash_map could be found"
+#endif
 
 #if 0
   struct StringEq : public std::binary_function< std::string, std::string, bool >