diff --git a/core/configuration-store.lib b/core/configuration-store.lib
index 8976289f1d..b06396c24f 100644
--- a/core/configuration-store.lib
+++ b/core/configuration-store.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/configuration-store/#f0a4c07cce8c84513f528e5939c5a1469385d2a8
\ No newline at end of file
+https://github.com/ARMmbed/configuration-store/#479cd1f033828d1577669d1f01eb56ce6f559cfd
diff --git a/frameworks/utest/utest/shim.h b/frameworks/utest/utest/shim.h
index 78a6f6048a..f9505d5f73 100644
--- a/frameworks/utest/utest/shim.h
+++ b/frameworks/utest/utest/shim.h
@@ -30,6 +30,8 @@
 #   ifndef __deprecated_message
 #       if defined(__CC_ARM)
 #           define __deprecated_message(msg) __attribute__((deprecated))
+#       elif defined (__ICCARM__)
+#           define __deprecated_message(msg)
 #       else
 #           define __deprecated_message(msg) __attribute__((deprecated(msg)))
 #       endif
diff --git a/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedPrint.c b/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedPrint.c
new file mode 100644
index 0000000000..8542c211a5
--- /dev/null
+++ b/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedPrint.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "mbed_error.h"
+
+size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
+
+int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
+{
+    int r;
+    char buffer[size];
+    memset(buffer, 0, size);
+    r = vsprintf(buffer, format, arg);
+    // this may not hit the heap but should alert the user anyways
+    if(r > (int32_t) size) {
+        error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
+        return 0;
+    }
+    if ( r > 0 ) {
+        BufferedSerialThunk(stream, buffer, r);
+    }
+    return r;
+}
diff --git a/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedSerial.cpp b/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedSerial.cpp
index da3cbfa168..9010cd3907 100644
--- a/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedSerial.cpp
+++ b/net/ESP8266Interface/ESP8266/ATParser/BufferedSerial/BufferedSerial.cpp
@@ -23,6 +23,8 @@
 #include "BufferedSerial.h"
 #include <stdarg.h>
 
+extern "C" int BufferedPrintfC(void *stream, int size, const char* format, va_list arg);
+
 BufferedSerial::BufferedSerial(PinName tx, PinName rx, uint32_t buf_size, uint32_t tx_multiple, const char* name)
     : RawSerial(tx, rx) , _rxbuf(buf_size), _txbuf((uint32_t)(tx_multiple*buf_size))
 {
@@ -79,26 +81,18 @@ int BufferedSerial::puts(const char *s)
     return 0;
 }
 
+extern "C" size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length)
+{
+    BufferedSerial *buffered_serial = (BufferedSerial *)buf_serial;
+    return buffered_serial->write(s, length);
+}
+
 int BufferedSerial::printf(const char* format, ...)
 {
-    char buffer[this->_buf_size];
-    memset(buffer,0,this->_buf_size);
-    int r = 0;
-
     va_list arg;
     va_start(arg, format);
-    r = vsprintf(buffer, format, arg);
-    // this may not hit the heap but should alert the user anyways
-    if(r > (int32_t) this->_buf_size) {
-        error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__,this->_buf_size,r);
-        va_end(arg);
-        return 0;
-    }
+    int r = BufferedPrintfC((void*)this, this->_buf_size, format, arg);
     va_end(arg);
-    if ( r > 0 ) {
-        r = BufferedSerial::write(buffer, r);
-    }
-
     return r;
 }
 
diff --git a/net/atmel-rf-driver.lib b/net/atmel-rf-driver.lib
index 409b903ec1..bcd9d0c13c 100644
--- a/net/atmel-rf-driver.lib
+++ b/net/atmel-rf-driver.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/atmel-rf-driver-mirror/#473759f1a37c1863cb2adfcb2a87ac3f1da144ed
+https://github.com/ARMmbed/atmel-rf-driver-mirror/#1583e99e11640986f5c0de272a21bc9143b4a1a8
diff --git a/net/mbed-client.lib b/net/mbed-client.lib
index aab5a6d72a..5cc200cae0 100644
--- a/net/mbed-client.lib
+++ b/net/mbed-client.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-client-mirror/#6bfb6655b47f0ede4cc278c6c5f933ecefaf136d
+https://github.com/ARMmbed/mbed-client-mirror/#0b66c1a11638949391c67775ec0b8a42e88a9dfe
diff --git a/net/mbed-mesh-api.lib b/net/mbed-mesh-api.lib
index 15ba5f511d..07c7e26a3b 100644
--- a/net/mbed-mesh-api.lib
+++ b/net/mbed-mesh-api.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-mesh-api-mirror/#7312d7621c5c6b89f7c0476a2b103a9f1ea71c3c
+https://github.com/ARMmbed/mbed-mesh-api-mirror/#8ceb56d87cd20d26d4db71aa42a2860cfaccaf9c
diff --git a/tools/toolchains/iar.py b/tools/toolchains/iar.py
index a27f1bb52e..bef166cbde 100644
--- a/tools/toolchains/iar.py
+++ b/tools/toolchains/iar.py
@@ -149,7 +149,7 @@ class IAR(mbedToolchain):
         cmd = [self.ld, "-o", output, "--skip_dynamic_initialization", "--map=%s" % map_file] + objects + libraries
 
         if mem_map:
-            args.extend(["--config", mem_map])
+            cmd.extend(["--config", mem_map])
 
         # Call cmdline hook
         cmd = self.hook.get_cmdline_linker(cmd)