diff --git a/bindings/python/Android.mk b/bindings/python/Android.mk
index 977ffb79c..2b8f7909e 100644
--- a/bindings/python/Android.mk
+++ b/bindings/python/Android.mk
@@ -38,9 +38,6 @@ include $(CLEAR_VARS)
 LOCAL_MODULE := _PyPfw
 
 LOCAL_CPP_EXTENSION := .cxx
-# As long as the parameter-framework is compiled with gcc, we must avoid
-# compiling the bindings with clang and compile with gcc instead.
-LOCAL_CLANG := false
 # Android only provides a 32bit version of python.
 LOCAL_32_BIT_ONLY := true
 
@@ -51,13 +48,11 @@ LOCAL_C_INCLUDES := \
     prebuilts/python/linux-x86/2.7.5/include/python2.7 \
     $(HOST_OUT_HEADERS)/parameter
 
-# The 'unused-but-set-variable' warning must be disabled because SWIG generates
-# files that do not respect that constraint.
 # '-DSWIG_PYTHON_SILENT_MEMLEAK' is needed because the "memleak" warning
 # pollutes the standard output. At the time of writing, the only warning is
 # spurious anyway, as it relates to "ILogger *" which is an abstract
 # class/interface class and as such cannot be destroyed.
-LOCAL_CFLAGS := -Wno-unused-but-set-variable -fexceptions -DSWIG_PYTHON_SILENT_MEMLEAK
+LOCAL_CFLAGS := -fexceptions -DSWIG_PYTHON_SILENT_MEMLEAK
 
 # Undefined symbols will be resolved at runtime
 LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
diff --git a/bindings/python/CMakeLists.txt b/bindings/python/CMakeLists.txt
index a885febd2..4f47fb1c6 100644
--- a/bindings/python/CMakeLists.txt
+++ b/bindings/python/CMakeLists.txt
@@ -54,13 +54,11 @@ swig_link_libraries(PyPfw parameter ${PYTHON_LIBRARIES})
 # ${CMAKE_CURRENT_BINARY_DIR}.
 set_property(TARGET _PyPfw PROPERTY LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
-# The 'unused-but-set-variable' warning must be disabled because SWIG generates
-# files that do not respect that contraint.
 # '-DSWIG_PYTHON_SILENT_MEMLEAK' is needed because the "memleak" warning
 # pollutes the standard output. At the time of writing, the only warning is
 # spurious anyway, as it relates to "ILogger *" which is an abstract
 # class/interface class and as such cannot be destroyed.
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-but-set-variable -DSWIG_PYTHON_SILENT_MEMLEAK")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DSWIG_PYTHON_SILENT_MEMLEAK")
 
 
 # Find the python modules install path.
diff --git a/parameter/Android.mk b/parameter/Android.mk
index 90e33f09b..f8d9a0bab 100644
--- a/parameter/Android.mk
+++ b/parameter/Android.mk
@@ -158,7 +158,6 @@ LOCAL_STATIC_LIBRARIES := libxmlserializer libpfw_utility libxml2
 
 LOCAL_REQUIRED_MODULES := libremote-processor
 
-LOCAL_CLANG := false
 include external/stlport/libstlport.mk
 include $(BUILD_SHARED_LIBRARY)
 
@@ -186,7 +185,7 @@ LOCAL_STATIC_LIBRARIES := libxmlserializer_host libpfw_utility_host libxml2
 
 LOCAL_LDLIBS += -ldl
 
-LOCAL_CLANG := false
+#LOCAL_CLANG := false
 include $(BUILD_HOST_SHARED_LIBRARY)
 
 ################################
diff --git a/parameter/BitParameter.cpp b/parameter/BitParameter.cpp
index fb853e479..2a53afd90 100644
--- a/parameter/BitParameter.cpp
+++ b/parameter/BitParameter.cpp
@@ -87,7 +87,7 @@ bool CBitParameter::accessAsBoolean(bool& bValue, bool bSet, CParameterAccessCon
     }
 
     // Rely on integer access
-    uint64_t uiValue;
+    uint32_t uiValue;
 
     if (bSet) {
 
@@ -108,7 +108,7 @@ bool CBitParameter::accessAsBoolean(bool& bValue, bool bSet, CParameterAccessCon
 }
 
 // Integer Access
-bool CBitParameter::accessAsInteger(uint64_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
+bool CBitParameter::accessAsInteger(uint32_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
 {
     uint32_t uiOffset = getOffset();
 
diff --git a/parameter/BitParameter.h b/parameter/BitParameter.h
index 436f32118..f9e2b9d2d 100644
--- a/parameter/BitParameter.h
+++ b/parameter/BitParameter.h
@@ -49,7 +49,7 @@ class CBitParameter : public CBaseParameter
     virtual bool accessAsBoolean(bool& bValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
 
     // Integer Access
-    virtual bool accessAsInteger(uint64_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
+    virtual bool accessAsInteger(uint32_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
 
     // AreaConfiguration creation
     virtual CAreaConfiguration* createAreaConfiguration(const CSyncerSet* pSyncerSet) const;
diff --git a/parameter/BitParameterType.cpp b/parameter/BitParameterType.cpp
index 2a400d40f..8488c18b5 100644
--- a/parameter/BitParameterType.cpp
+++ b/parameter/BitParameterType.cpp
@@ -191,7 +191,7 @@ bool CBitParameterType::toBlackboard(uint64_t uiUserValue, uint64_t& uiValue, CP
     return true;
 }
 
-void CBitParameterType::fromBlackboard(uint64_t& uiUserValue, uint64_t uiValue, CParameterAccessContext& parameterAccessContext) const
+void CBitParameterType::fromBlackboard(uint32_t& uiUserValue, uint64_t uiValue, CParameterAccessContext& parameterAccessContext) const
 {
     (void)parameterAccessContext;
 
diff --git a/parameter/BitParameterType.h b/parameter/BitParameterType.h
index 8f147e655..4c91a1a15 100644
--- a/parameter/BitParameterType.h
+++ b/parameter/BitParameterType.h
@@ -53,7 +53,7 @@ class CBitParameterType : public CTypeElement
     void fromBlackboard(std::string& strValue, const uint64_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
     // Integer
     bool toBlackboard(uint64_t uiUserValue, uint64_t& uiValue, CParameterAccessContext& parameterAccessContext) const;
-    void fromBlackboard(uint64_t& uiUserValue, uint64_t uiValue, CParameterAccessContext& parameterAccessContext) const;
+    void fromBlackboard(uint32_t& uiUserValue, uint64_t uiValue, CParameterAccessContext& parameterAccessContext) const;
     // Access from area configuration
     uint64_t merge(uint64_t uiOriginData, uint64_t uiNewData) const;
 
diff --git a/parameter/ConfigurableDomain.cpp b/parameter/ConfigurableDomain.cpp
index aa9da51a6..346b1f9ba 100644
--- a/parameter/ConfigurableDomain.cpp
+++ b/parameter/ConfigurableDomain.cpp
@@ -847,7 +847,7 @@ void CConfigurableDomain::validate(const CParameterBlackboard* pMainBlackboard)
 // Ensure validity on areas related to configurable element
 void CConfigurableDomain::validateAreas(const CConfigurableElement* pConfigurableElement, const CParameterBlackboard* pMainBlackboard)
 {
-    log_info("Validating domain \"" + getName() + "\" against main blackboard for configurable element \"" + pConfigurableElement->getPath() + "\"");
+    log_info("Validating domain \"%s\" against main blackboard for configurable element \"%s\"", getName().c_str(), pConfigurableElement->getPath().c_str());
 
     // Propagate
     size_t uiNbConfigurations = getNbChildren();
diff --git a/parameter/ConfigurableDomains.cpp b/parameter/ConfigurableDomains.cpp
index 844ade754..bfa9271cf 100644
--- a/parameter/ConfigurableDomains.cpp
+++ b/parameter/ConfigurableDomains.cpp
@@ -145,7 +145,7 @@ bool CConfigurableDomains::addDomain(CConfigurableDomain& domain, bool bOverwrit
         deleteDomain(*pExistingDomain);
     }
 
-    log_info("Adding configurable domain \"" + strDomainName + "\"");
+    log_info("Adding configurable domain \"%s\"", strDomainName.c_str());
 
     addChild(&domain);
 
@@ -154,7 +154,7 @@ bool CConfigurableDomains::addDomain(CConfigurableDomain& domain, bool bOverwrit
 
 void CConfigurableDomains::deleteDomain(CConfigurableDomain& configurableDomain)
 {
-    log_info("Deleting configurable domain \"" + configurableDomain.getName() + "\"");
+    log_info("Deleting configurable domain \"%s\"", configurableDomain.getName().c_str() );
 
     removeChild(&configurableDomain);
 
diff --git a/parameter/Element.cpp b/parameter/Element.cpp
index cacf49b6c..fc5863651 100644
--- a/parameter/Element.cpp
+++ b/parameter/Element.cpp
@@ -49,14 +49,14 @@ CElement::~CElement()
 }
 
 // Logging
-void CElement::log_info(const string& strMessage, ...) const
+void CElement::log_info(const char* strMessage, ...) const
 {
     char *pacBuffer;
     va_list listPointer;
 
     va_start(listPointer, strMessage);
 
-    vasprintf(&pacBuffer,  strMessage.c_str(), listPointer);
+    vasprintf(&pacBuffer,  strMessage, listPointer);
 
     va_end(listPointer);
 
@@ -67,14 +67,14 @@ void CElement::log_info(const string& strMessage, ...) const
     free(pacBuffer);
 }
 
-void CElement::log_warning(const string& strMessage, ...) const
+void CElement::log_warning(const char* strMessage, ...) const
 {
     char *pacBuffer;
     va_list listPointer;
 
     va_start(listPointer, strMessage);
 
-    vasprintf(&pacBuffer,  strMessage.c_str(), listPointer);
+    vasprintf(&pacBuffer,  strMessage, listPointer);
 
     va_end(listPointer);
 
diff --git a/parameter/Element.h b/parameter/Element.h
index 8423e32be..41ab736b6 100644
--- a/parameter/Element.h
+++ b/parameter/Element.h
@@ -49,8 +49,8 @@ class CElement : public IXmlSink, public IXmlSource
     virtual ~CElement();
 
     // Logging
-    void log_info(const std::string& strMessage, ...) const;
-    void log_warning(const std::string& strMessage, ...) const;
+    void log_info(const char* strMessage, ...) const;
+    void log_warning(const char* strMessage, ...) const;
     void log_table(bool bIsWarning, const std::list<std::string> lstrMessage) const;
 
     // Description
diff --git a/parameter/ParameterMgr.cpp b/parameter/ParameterMgr.cpp
index 45f1ac2d4..8fca836ce 100644
--- a/parameter/ParameterMgr.cpp
+++ b/parameter/ParameterMgr.cpp
@@ -548,7 +548,7 @@ bool CParameterMgr::loadStructure(string& strError)
     // Retrieve system to load structure to
     CSystemClass* pSystemClass = getSystemClass();
 
-    log_info("Loading " + pSystemClass->getName() + " system class structure");
+    log_info("Loading %s system class structure", pSystemClass->getName().c_str());
 
     // Get structure description element
     const CFrameworkConfigurationLocation* pStructureDescriptionFileLocation = static_cast<const CFrameworkConfigurationLocation*>(getConstFrameworkConfiguration()->findChildOfKind("StructureDescriptionFileLocation"));
@@ -592,7 +592,7 @@ bool CParameterMgr::loadSettings(string& strError)
 
     if (!success && !_bFailOnFailedSettingsLoad) {
         // Load can not fail, ie continue but log the load errors
-        log_info(strLoadError);
+        log_info("%s", strLoadError.c_str());
         log_info("Failed to load settings, continue without domains.");
         success = true;
     }
diff --git a/parameter/SubsystemObject.cpp b/parameter/SubsystemObject.cpp
index 76b954907..0ffb7824a 100644
--- a/parameter/SubsystemObject.cpp
+++ b/parameter/SubsystemObject.cpp
@@ -149,7 +149,7 @@ bool CSubsystemObject::sync(CParameterBlackboard& parameterBlackboard, bool bBac
         strError = string("Unable to ") + (bBack ? "back" : "forward") + " synchronize configurable element " +
                 _pInstanceConfigurableElement->getPath() + ": " + strError;
 
-        log_warning(strError);
+        log_warning(strError.c_str());
 
         // Fall back to parameter default initialization
         if (bBack) {
@@ -213,14 +213,15 @@ void CSubsystemObject::blackboardWrite(const void* pvData, uint32_t uiSize)
 }
 
 // Logging
-void CSubsystemObject::log_info(const string& strMessage, ...) const
+void CSubsystemObject::log_info(const char* strMessage, ...) const
 {
+#if 1    
     char *pacBuffer;
     va_list listPointer;
 
     va_start(listPointer, strMessage);
 
-    vasprintf(&pacBuffer,  strMessage.c_str(), listPointer);
+    vasprintf(&pacBuffer, strMessage, listPointer);
 
     va_end(listPointer);
 
@@ -229,16 +230,20 @@ void CSubsystemObject::log_info(const string& strMessage, ...) const
     }
 
     free(pacBuffer);
+#else
+    _pInstanceConfigurableElement->log_info(strMessage.c_str());
+#endif
 }
 
-void CSubsystemObject::log_warning(const string& strMessage, ...) const
+void CSubsystemObject::log_warning(const char* strMessage, ...) const
 {
+#if 1
     char *pacBuffer;
     va_list listPointer;
 
     va_start(listPointer, strMessage);
 
-    vasprintf(&pacBuffer,  strMessage.c_str(), listPointer);
+    vasprintf(&pacBuffer, strMessage, listPointer);
 
     va_end(listPointer);
 
@@ -247,6 +252,9 @@ void CSubsystemObject::log_warning(const string& strMessage, ...) const
     }
 
     free(pacBuffer);
+#else
+    _pInstanceConfigurableElement->log_warning(strMessage.c_str());
+#endif
 }
 
 // Configurable element retrieval
diff --git a/parameter/SubsystemObject.h b/parameter/SubsystemObject.h
index ab085bc02..57349f95c 100644
--- a/parameter/SubsystemObject.h
+++ b/parameter/SubsystemObject.h
@@ -83,8 +83,8 @@ class CSubsystemObject : private ISyncer
     void blackboardRead(void* pvData, uint32_t uiSize);
     void blackboardWrite(const void* pvData, uint32_t uiSize);
     // Logging
-    void log_info(const std::string& strMessage, ...) const;
-    void log_warning(const std::string& strMessage, ...) const;
+    void log_info(const char* strMessage, ...) const;
+    void log_warning(const char* strMessage, ...) const;
     // Belonging Subsystem retrieval
     const CSubsystem* getSubsystem() const;