diff --git a/mbed-client-libservice/ns_list.h b/mbed-client-libservice/ns_list.h
index 090cecefa5..0030d56dea 100644
--- a/mbed-client-libservice/ns_list.h
+++ b/mbed-client-libservice/ns_list.h
@@ -96,6 +96,9 @@ typedef struct ns_list {
  * always assign returned entry pointers to a properly typed pointer variable.
  * This assignment will be then type-checked where the compiler supports it, and
  * will dereference correctly on compilers that don't support this extension.
+ *
+ * If you need to support C++03 compilers that cannot return properly-typed
+ * pointers, such as IAR 7, you need to use NS_LIST_TYPECOERCE to force the type.
  * ~~~
  *     NS_LIST_HEAD(example_entry_t, link) my_list;
  *
@@ -199,6 +202,27 @@ union \
 #define NS_LIST_TYPECAST_(list, val) (0 ? (list)->type : (val))
 #endif
 
+/** \brief Macro to force correct type if necessary.
+ *
+ * In C, doesn't matter if NS_LIST_TYPECAST_ works or not, as it's legal
+ * to assign void * to a pointer. In C++, we can't do that, so need
+ * a back-up plan for C++03. This forces the type, so breaks type-safety -
+ * only activate when needed, meaning we still get typechecks on other
+ * toolchains.
+ *
+ * If a straight assignment of a ns_list function to a pointer fails
+ * on a C++03 compiler, use the following construct. This will not be
+ * required with C++11 compilers.
+ * ~~~
+ *     type *elem = NS_LIST_TYPECOERCE(type *, ns_list_get_first(list));
+ * ~~~
+ */
+#if defined(NS_LIST_PTR_TYPE_) || !defined(__cplusplus)
+#define NS_LIST_TYPECOERCE(type, val) (val)
+#else
+#define NS_LIST_TYPECOERCE(type, val) (type) (val)
+#endif
+
 /** \brief Internal macro to check types of input entry pointer. */
 #define NS_LIST_TYPECHECK_(list, entry) \
     (NS_PTR_MATCH_((list)->type, (entry), "incorrect entry type for list"), (entry))
@@ -480,7 +504,8 @@ typedef struct ns_list_link {
  * \param list `(const list_t *)` Pointer to list - evaluated multiple times.
  */
 #define ns_list_foreach(type, e, list) \
-    for (type *e = ns_list_get_first(list); e; e = ns_list_get_next(list, e))
+    for (type *e = NS_LIST_TYPECOERCE(type *, ns_list_get_first(list)); \
+        e; e = NS_LIST_TYPECOERCE(type *, ns_list_get_next(list, e)))
 
 /** \brief Iterate forwards over a list, where user may delete.
  *
@@ -500,8 +525,8 @@ typedef struct ns_list_link {
  * \param list `(list_t *)`  Pointer to list - evaluated multiple times.
  */
 #define ns_list_foreach_safe(type, e, list) \
-    for (type *e = ns_list_get_first(list), *_next##e; \
-        e && (_next##e = ns_list_get_next(list, e), true); e = _next##e)
+    for (type *e = NS_LIST_TYPECOERCE(type *, ns_list_get_first(list)), *_next##e; \
+        e && (_next##e = NS_LIST_TYPECOERCE(type *, ns_list_get_next(list, e)), true); e = _next##e)
 
 /** \brief Iterate backwards over a list.
  *
@@ -509,7 +534,8 @@ typedef struct ns_list_link {
  * Iterating forwards is *slightly* more efficient.
  */
 #define ns_list_foreach_reverse(type, e, list) \
-    for (type *e = ns_list_get_last(list); e; e = ns_list_get_previous(list, e))
+    for (type *e = NS_LIST_TYPECOERCE(type *, ns_list_get_last(list)); \
+        e; e = NS_LIST_TYPECOERCE(type *, ns_list_get_previous(list, e)))
 
 /** \brief Iterate backwards over a list, where user may delete.
  *
@@ -517,8 +543,8 @@ typedef struct ns_list_link {
  * Iterating forwards is *slightly* more efficient.
  */
 #define ns_list_foreach_reverse_safe(type, e, list) \
-    for (type *e = ns_list_get_last(list), *_next##e; \
-        e && (_next##e = ns_list_get_previous(list, e), true); e = _next##e)
+    for (type *e = NS_LIST_TYPECOERCE(type *, ns_list_get_last(list)), *_next##e; \
+        e && (_next##e = NS_LIST_TYPECOERCE(type *, ns_list_get_previous(list, e)), true); e = _next##e)
 
 /** \hideinitializer \brief Count entries on a list
  *
diff --git a/mbed-client-libservice/ns_types.h b/mbed-client-libservice/ns_types.h
index f9b7815b26..bbb28dd369 100644
--- a/mbed-client-libservice/ns_types.h
+++ b/mbed-client-libservice/ns_types.h
@@ -121,7 +121,15 @@ typedef int_fast32_t int_fast24_t;
 #define alignas(n) __align(n)
 #define __alignas_is_defined 1
 #elif (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L) || (defined __cplusplus && __cplusplus >= 201103L)
-#include <stdalign.h>
+# if defined __ARMCC_VERSION && __ARMCC_VERSION < 6120000
+/* Workaround for Arm Compiler versions prior to 6.12 */
+#   if !defined __cplusplus
+#     define alignas _Alignas
+#   endif
+#   define __alignas_is_defined 1
+# else
+#   include <stdalign.h>
+# endif
 #elif defined __GNUC__
 #define alignas(n) __attribute__((__aligned__(n)))
 #define __alignas_is_defined 1
diff --git a/mbed_lib.json b/mbed_lib.json
new file mode 100644
index 0000000000..75957496a9
--- /dev/null
+++ b/mbed_lib.json
@@ -0,0 +1,3 @@
+{
+    "name": "nanostack-libservice"
+}
diff --git a/module.json b/module.json
deleted file mode 100644
index a7233e766f..0000000000
--- a/module.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "name": "nanostack-libservice",
-  "version": "3.6.0",
-  "description": "Helper libraries for mbed-client and 6LoWPAN stack.",
-  "keywords": [
-    "libservice"
-  ],
-  "author": "Seppo Takalo <seppo.takalo@arm.com>",
-  "homepage": "https://github.com/ARMmbed/mbed-client-libservice",
-  "license": "Apache-2.0",
-  "extraIncludes": [
-    "mbed-client-libservice"
-  ],
-  "dependencies": {
-      "mbed-trace": "ARMmbed/mbed-trace"
-  },
-  "targetDependencies": {}
-}
diff --git a/source/libBits/common_functions.c b/source/libBits/common_functions.c
index 67fe86ead8..2c4b8f3f94 100644
--- a/source/libBits/common_functions.c
+++ b/source/libBits/common_functions.c
@@ -35,7 +35,7 @@ bool bitsequal(const uint8_t *a, const uint8_t *b, uint_fast8_t bits)
     uint_fast8_t bytes = bits / 8;
     bits %= 8;
 
-    if (memcmp(a, b, bytes)) {
+    if (bytes && memcmp(a, b, bytes)) {
         return false;
     }
 
diff --git a/test/libService/unittest/stubs/mbed_trace_stub.c b/test/libService/unittest/stubs/mbed_trace_stub.c
index d3458b2223..e762aee785 100644
--- a/test/libService/unittest/stubs/mbed_trace_stub.c
+++ b/test/libService/unittest/stubs/mbed_trace_stub.c
@@ -18,13 +18,13 @@
 #include <stdarg.h>
 #include <stdlib.h>
 
-#ifndef YOTTA_CFG_MBED_TRACE
-#define YOTTA_CFG_MBED_TRACE 1
-#define YOTTA_CFG_MBED_TRACE_FEA_IPV6 1
+#ifndef MBED_CONF_MBED_TRACE_ENABLE
+#define MBED_CONF_MBED_TRACE_ENABLE 1
+#define MBED_CONF_MBED_TRACE_FEA_IPV6 1
 #endif
 
 #include "mbed-trace/mbed_trace.h"
-#if YOTTA_CFG_MBED_TRACE_FEA_IPV6 == 1
+#if MBED_CONF_MBED_TRACE_FEA_IPV6 == 1
 #include "mbed-client-libservice/ip6string.h"
 #include "mbed-client-libservice/common_functions.h"
 #endif
@@ -101,7 +101,7 @@ const char *mbed_trace_last(void)
 }
 
 /* Helping functions */
-#if YOTTA_CFG_MBED_TRACE_FEA_IPV6 == 1
+#if MBED_CONF_MBED_TRACE_FEA_IPV6 == 1
 char *mbed_trace_ipv6(const void *addr_ptr)
 {
     return NULL;
@@ -111,7 +111,7 @@ char *mbed_trace_ipv6_prefix(const uint8_t *prefix, uint8_t prefix_len)
 {
     return NULL;
 }
-#endif //YOTTA_CFG_MBED_TRACE_FEA_IPV6
+#endif //MBED_CONF_MBED_TRACE_FEA_IPV6
 
 char *mbed_trace_array(const uint8_t *buf, uint16_t len)
 {