Upgrade Boost to 1.54.0; support C++11 for Clang in OS X only.

Author: deanberris

CMakeLists.txt

@@ -20,7 +20,7 @@ else()
 endif()
 
 set(Boost_USE_MULTI_THREADED ON)
-find_package( Boost 1.45.0 REQUIRED unit_test_framework system regex date_time thread filesystem program_options chrono )
+find_package( Boost 1.54.0 REQUIRED unit_test_framework system regex date_time thread filesystem program_options chrono )
 find_package( OpenSSL )
 find_package( Threads )
 set(CMAKE_VERBOSE_MAKEFILE true)
@@ -37,9 +37,17 @@ endif()
 if (${CMAKE_CXX_COMPILER_ID} MATCHES GNU)
   set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 elseif (${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
-  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -ftemplate-depth=256")
+  if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    # We want to link in C++11 mode if we're using Clang and on OS X.
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -ftemplate-depth=256 -std=c++11 -stdlib=libc++")
+  else()
+    # We just add the -Wall and a high enough template depth
+    # flag for Clang in other systems.
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -ftemplate-dempth=256")
+  endif()
 endif()
 
+
 if (Boost_FOUND)
     if (MSVC)
       add_definitions(-D_SCL_SECURE_NO_WARNINGS)