Compile flags into CFLAGS, set no-builtin boost 56

config/CMakeChaos.txt

@@ -603,7 +603,10 @@ IF(CHAOS_CC_COMPILER)
 	SET(CMAKE_C_COMPILER arm-infn-linux-gnueabi-gcc)
 	SET(CHAOS_CROSS_HOST arm-infn-linux-gnueabi)
 	SET(CHAOS_ENABLE_C11 "Enable C11" OFF)
-	SET(CHAOS_CXX_FLAGS "${CHAOS_CXX_FLAGS} -DCHAOS_NO_BACKTRACE -DBOOST_ASIO_DISABLE_EVENTFD -D__BSON_USEMEMCPY__ -mcpu=xscale -D__BSON_USEMEMCPY__ -DBOOST_ASIO_DISABLE_EVENTFD -mno-unaligned-access -DDISABLE_COMPARE_AND_SWAP -mfloat-abi=soft")
+	SET(CHAOS_BOOST_VERSION 56)
+        SET(CHAOS_BOOST_MINOR_VERSION 0)
+        SET (CHAOS_C_FLAGS "${CHAOS_C_FLAGS} -fno-builtin -DCHAOS_NO_BACKTRACE -DBOOST_ASIO_DISABLE_EVENTFD -D__BSON_USEMEMCPY__ -mcpu=xscale -D__BSON_USEMEMCPY__ -DBOOST_ASIO_DISABLE_EVENTFD -mno-unaligned-access -DDISABLE_COMPARE_AND_SWAP -mfloat-abi=soft")
+	SET(CHAOS_CXX_FLAGS "${CHAOS_CXX_FLAGS} ${CHAOS_C_FLAGS}")
 	SET(CHAOS_BOOST_FLAGS toolset=gcc-arm target-os=linux)
 	SET(CHAOS_DISABLE_EVENTFD ON)
       ELSE()