diff --git a/owlps-positioning/Makefile b/owlps-positioning/Makefile
index 247ea3c..183793d 100644
--- a/owlps-positioning/Makefile
+++ b/owlps-positioning/Makefile
@@ -18,15 +18,14 @@ CPPCHECK = cppcheck --enable=all
 DOXYGEN = doxygen
 
 GXX = g++-4.4
-DEBUG = -g
-STLPORTGXXFLAGS = -I/usr/include/stlport -pthread -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
+#DEBUG = -g
 GXXFLAGS = $(DEBUG) -Wall -Wextra $(STLPORTGXXFLAGS)
 LD = $(GXX)
-LDFLAGS = -lm -lstlport
+LDFLAGS = -lm -lrt
 LIBS = -lpq -lboost_program_options-mt
 
 TARGET = owlps-positioning
-HEADER = owlps-positioning.hh
+#HEADER = owlps-positioning.hh
 OBJ = posutil.o point3d.o referencepoint.o waypoint.o building.o \
 			area.o wifidevice.o accesspoint.o mobile.o measurement.o \
 			calibrationmeasurement.o request.o inputcsv.o stock.o
@@ -35,6 +34,7 @@ all: $(TARGET)
 
 %: %.o
 	$(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
+
 %.o: %.cc $(HEADER)
 	$(GXX) $(GXXFLAGS) -c $<
 
@@ -81,7 +81,10 @@ uninstall:
 	@$(RM) $(INSTALL_DIR)/$(TARGET)
 
 style:
-	@$(STYLE) $(OBJ:.o=.hh) $(OBJ:.o=.cc) inputmedium.hh
+	@$(STYLE) \
+		$(OBJ:.o=.hh) \
+		$(OBJ:.o=.cc) \
+		inputmedium.hh
 
 check:
 	@$(CPPCHECK) $(OBJ:.o=.hh) $(OBJ:.o=.cc) inputmedium.hh
diff --git a/owlps-positioning/TODO b/owlps-positioning/TODO
index a1ad98f..f8b4370 100644
--- a/owlps-positioning/TODO
+++ b/owlps-positioning/TODO
@@ -33,9 +33,6 @@
    les Waypoint. Si oui, faut-il aussi les enlever des listes dans
    Stock ? (Pour l'instant ils ne sont pas dans Stock.)
 
-- Request
-   Constructeur par recopie, operator==(), etc.
-
 - PosUtil
    Remplacer timespec_equals() par operator==(timespec, timespec) ?
 
diff --git a/owlps-positioning/inputcsv.cc b/owlps-positioning/inputcsv.cc
index 4cfc131..1fb0751 100644
--- a/owlps-positioning/inputcsv.cc
+++ b/owlps-positioning/inputcsv.cc
@@ -5,7 +5,7 @@
 #include <stdint.h>
 
 #include <iostream>
-#include <unordered_map>
+#include <boost/tr1/unordered_map.hpp>
 
 using namespace std ;
 using std::tr1::unordered_map ;
diff --git a/owlps-positioning/request.cc b/owlps-positioning/request.cc
index 07a85b7..cb89133 100644
--- a/owlps-positioning/request.cc
+++ b/owlps-positioning/request.cc
@@ -36,6 +36,14 @@ Request::Request(const Mobile *_mobile, const struct timespec &_timestamp,
 }
 
 
+Request::Request(const Request &source)
+{
+  mobile = source.mobile ;
+  timestamp = source.timestamp ;
+  measurements = source.measurements ;
+}
+
+
 
 /**
  * Note that the value pointed by #mobile is not deleted.
@@ -68,6 +76,32 @@ void Request::clear()
 /* *** Operators *** */
 
 
+const Request& Request::operator=(const Request &source)
+{
+  if (this == &source)
+    return *this ;
+
+  mobile = source.mobile ;
+  timestamp = source.timestamp ;
+  measurements = source.measurements ;
+
+  return *this ;
+}
+
+
+bool Request::operator==(const Request &comp) const
+{
+  if (this == &comp)
+    return true ;
+
+  return
+    mobile == comp.mobile &&
+    PosUtil::timespec_equals(timestamp, comp.timestamp) &&
+    measurements == comp.measurements ;
+}
+
+
+
 ostream &operator<<(ostream &os, const Request &r)
 {
   // Timestamp
diff --git a/owlps-positioning/request.hh b/owlps-positioning/request.hh
index dda88c7..b64c3e7 100644
--- a/owlps-positioning/request.hh
+++ b/owlps-positioning/request.hh
@@ -6,7 +6,7 @@ class Mobile ;
 #include "measurement.hh"
 
 #include <ctime>
-#include <unordered_map>
+#include <boost/tr1/unordered_map.hpp>
 #include <ostream>
 
 /// Represents a request sent by a Mobile
@@ -35,6 +35,8 @@ public:
   Request(const Mobile *_mobile, const struct timespec &_timestamp,
           const std::tr1::unordered_map<std::string, Measurement> &_measurements
           = std::tr1::unordered_map<std::string, Measurement>()) ;
+  /// Copy constructor
+  Request(const Request &source) ;
 
   ~Request(void) ; ///< Destructor
 
@@ -61,6 +63,9 @@ public:
 
   /** @name Operators */
   //@{
+  const Request& operator=(const Request &source) ;
+  bool operator==(const Request &comp) const ;
+  bool operator!=(const Request &comp) const ;
   operator bool(void) const ; ///< Cast to bool operator
   //@}
 
@@ -112,6 +117,12 @@ inline void Request::set_measurements(const std::tr1::unordered_map
 /* *** Operators *** */
 
 
+inline bool Request::operator!=(const Request &comp) const
+{
+  return !(*this == comp) ;
+}
+
+
 /**
  * @return \em false if the Request is empty.
  * @return \em true if at least one attribute is initialised.
diff --git a/owlps-positioning/stock.hh b/owlps-positioning/stock.hh
index 194a040..b43ef5d 100644
--- a/owlps-positioning/stock.hh
+++ b/owlps-positioning/stock.hh
@@ -4,7 +4,7 @@
 #include "mobile.hh"
 #include "accesspoint.hh"
 
-#include <unordered_map>
+#include <boost/tr1/unordered_map.hpp>
 
 /// Storage class
 class Stock