diff --git a/CMakeLists.txt b/CMakeLists.txt
index 29ab19e..666f21f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ IF(NOT WIN32)
     ENDIF(NOT CMAKE_BUILD_TYPE)
 ENDIF(NOT WIN32)
 
+SET(DEBUG_LIBNAME_SUFFIX "" CACHE STRING "Optional suffix to append to the library name for a debug build")
 SET(LIB_SUFFIX "" CACHE STRING "Optional arch-dependent suffix for the library installation directory")
 
 SET(RUNTIME_INSTALL_DIR bin
@@ -62,7 +63,7 @@ ENDMACRO(jsoncpp_parse_version)
 #SET( JSONCPP_VERSION_MAJOR X )
 #SET( JSONCPP_VERSION_MINOR Y )
 #SET( JSONCPP_VERSION_PATCH Z )
-SET( JSONCPP_VERSION 0.10.2 )
+SET( JSONCPP_VERSION 0.10.3 )
 jsoncpp_parse_version( ${JSONCPP_VERSION} JSONCPP_VERSION )
 #IF(NOT JSONCPP_VERSION_FOUND)
 #    MESSAGE(FATAL_ERROR "Failed to parse version string properly. Expect X.Y.Z")
@@ -96,7 +97,7 @@ endif( MSVC )
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   # using regular Clang or AppleClang
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wshorten-64-to-32")
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
   # using GCC
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wno-long-long")
diff --git a/devtools/fixeol.py b/devtools/fixeol.py
index 054eb9b..b55e146 100644
--- a/devtools/fixeol.py
+++ b/devtools/fixeol.py
@@ -5,6 +5,7 @@
 
 from __future__ import print_function
 import os.path
+import sys
 
 def fix_source_eol(path, is_dry_run = True, verbose = True, eol = '\n'):
     """Makes sure that all sources have the specified eol sequence (default: unix)."""
diff --git a/include/json/version.h b/include/json/version.h
index 1c52a5c..19a346f 100644
--- a/include/json/version.h
+++ b/include/json/version.h
@@ -4,10 +4,10 @@
 #ifndef JSON_VERSION_H_INCLUDED
 # define JSON_VERSION_H_INCLUDED
 
-# define JSONCPP_VERSION_STRING "0.10.2"
+# define JSONCPP_VERSION_STRING "0.10.3"
 # define JSONCPP_VERSION_MAJOR 0
 # define JSONCPP_VERSION_MINOR 10
-# define JSONCPP_VERSION_PATCH 2
+# define JSONCPP_VERSION_PATCH 3
 # define JSONCPP_VERSION_QUALIFIER
 # define JSONCPP_VERSION_HEXA ((JSONCPP_VERSION_MAJOR << 24) | (JSONCPP_VERSION_MINOR << 16) | (JSONCPP_VERSION_PATCH << 8))
 
diff --git a/src/lib_json/CMakeLists.txt b/src/lib_json/CMakeLists.txt
index 97b7019..79ffa2e 100644
--- a/src/lib_json/CMakeLists.txt
+++ b/src/lib_json/CMakeLists.txt
@@ -2,7 +2,7 @@ if( CMAKE_COMPILER_IS_GNUCXX )
   #Get compiler version.
   execute_process( COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
                    OUTPUT_VARIABLE GNUCXX_VERSION )
- 
+
   #-Werror=* was introduced -after- GCC 4.1.2
   if( GNUCXX_VERSION VERSION_GREATER 4.1.2 )
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=strict-aliasing")
@@ -43,7 +43,8 @@ IF(BUILD_SHARED_LIBS)
     ADD_DEFINITIONS( -DJSON_DLL_BUILD )
     ADD_LIBRARY(jsoncpp_lib SHARED ${PUBLIC_HEADERS} ${jsoncpp_sources})
     SET_TARGET_PROPERTIES( jsoncpp_lib PROPERTIES VERSION ${JSONCPP_VERSION} SOVERSION ${JSONCPP_VERSION_MAJOR})
-    SET_TARGET_PROPERTIES( jsoncpp_lib PROPERTIES OUTPUT_NAME jsoncpp )
+    SET_TARGET_PROPERTIES( jsoncpp_lib PROPERTIES OUTPUT_NAME jsoncpp
+                           DEBUG_OUTPUT_NAME jsoncpp${DEBUG_LIBNAME_SUFFIX} )
 
     INSTALL( TARGETS jsoncpp_lib ${INSTALL_EXPORT}
          RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR}
@@ -61,7 +62,8 @@ ENDIF()
 IF(BUILD_STATIC_LIBS)
     ADD_LIBRARY(jsoncpp_lib_static STATIC ${PUBLIC_HEADERS} ${jsoncpp_sources})
     SET_TARGET_PROPERTIES( jsoncpp_lib_static PROPERTIES VERSION ${JSONCPP_VERSION} SOVERSION ${JSONCPP_VERSION_MAJOR})
-    SET_TARGET_PROPERTIES( jsoncpp_lib_static PROPERTIES OUTPUT_NAME jsoncpp )
+    SET_TARGET_PROPERTIES( jsoncpp_lib_static PROPERTIES OUTPUT_NAME jsoncpp
+                           DEBUG_OUTPUT_NAME jsoncpp${DEBUG_LIBNAME_SUFFIX} )
 
     INSTALL( TARGETS jsoncpp_lib_static ${INSTALL_EXPORT}
          RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR}
diff --git a/src/lib_json/json_value.cpp b/src/lib_json/json_value.cpp
index 5a7a548..8e9af94 100644
--- a/src/lib_json/json_value.cpp
+++ b/src/lib_json/json_value.cpp
@@ -126,7 +126,7 @@ inline static void decodePrefixedString(
     unsigned* length, char const** value)
 {
   if (!isPrefixed) {
-    *length = strlen(prefixed);
+    *length = static_cast<unsigned>(strlen(prefixed));
     *value = prefixed;
   } else {
     *length = *reinterpret_cast<unsigned const*>(prefixed);
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
index 0a48f95..b2f5583 100644
--- a/src/lib_json/json_writer.cpp
+++ b/src/lib_json/json_writer.cpp
@@ -343,7 +343,7 @@ void FastWriter::writeValue(const Value& value) {
       const std::string& name = *it;
       if (it != members.begin())
         document_ += ',';
-      document_ += valueToQuotedStringN(name.data(), name.length());
+      document_ += valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length()));
       document_ += yamlCompatiblityEnabled_ ? ": " : ":";
       writeValue(value[name]);
     }
@@ -903,7 +903,7 @@ void BuiltStyledStreamWriter::writeValue(Value const& value) {
         std::string const& name = *it;
         Value const& childValue = value[name];
         writeCommentBeforeValue(childValue);
-        writeWithIndent(valueToQuotedStringN(name.data(), name.length()));
+        writeWithIndent(valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length())));
         *sout_ << colonSymbol_;
         writeValue(childValue);
         if (++it == members.end()) {
diff --git a/version b/version
index 5eef0f1..a3f5a8e 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.10.2
+0.10.3