diff --git a/boards/mbed_lpc1768/Makefile.features b/boards/mbed_lpc1768/Makefile.features
new file mode 100644
index 0000000000..990fa817be
--- /dev/null
+++ b/boards/mbed_lpc1768/Makefile.features
@@ -0,0 +1 @@
+FEATURES_PROVIDED += cpp
diff --git a/boards/mbed_lpc1768/Makefile.include b/boards/mbed_lpc1768/Makefile.include
index 9f13d89423..8c092b07b7 100644
--- a/boards/mbed_lpc1768/Makefile.include
+++ b/boards/mbed_lpc1768/Makefile.include
@@ -4,15 +4,23 @@ export CPU = lpc1768
 # toolchain config
 export PREFIX = arm-none-eabi-
 export CC = $(PREFIX)gcc
+export CXX = $(PREFIX)g++
 export AR = $(PREFIX)ar
-export CFLAGS += -DUSE_STDPERIPH_DRIVER -ggdb -g3 -O0 -Wall -Wstrict-prototypes -mcpu=cortex-m3 $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
-export ASFLAGS = -ggdb -g3 -mcpu=cortex-m3 $(FPU_USAGE) -mlittle-endian
 export AS = $(PREFIX)as
 export LINK = $(PREFIX)gcc
 export SIZE = $(PREFIX)size
 export OBJCOPY = $(PREFIX)objcopy
-#LINKFLAGS +=  -g3 -ggdb -mcpu=cortex-m3 $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles -T$(RIOTCPU)/$(CPU)/LPC1768.ld
-LINKFLAGS += -mcpu=cortex-m3 -mthumb -Wl,--gc-sections,--cref -lc -lgcc -lnosys -T$(RIOTCPU)/$(CPU)/LPC1768.ld -nostartfiles
+
+# define build options
+CPU_USAGE = -mcpu=cortex-m3
+FPU_USAGE =
+export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
+export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
+export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
+export LINKFLAGS += -g3 -ggdb -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles
+export LINKFLAGS += -T$(RIOTCPU)/$(CPU)/LPC1768.ld
+
+#LINKFLAGS += -mcpu=cortex-m3 -mthumb -Wl,--gc-sections,--cref -lc -lgcc -lnosys  -nostartfiles
 
 ifeq ($(strip $(PORT)),)
 	export PORT = /dev/ttyUSB0
@@ -25,3 +33,7 @@ export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include/ -I$(RIOTCPU)/$(CPU)/include
 export OFLAGS = -O binary
 
 export UNDEF += $(BINDIR)cpu/startup.o
+
+# unwanted (CXXUWFLAGS) and extra (CXXEXFLAGS) flags for c++
+export CXXUWFLAGS +=
+export CXXEXFLAGS +=
diff --git a/cpu/lpc1768/syscalls.c b/cpu/lpc1768/syscalls.c
index 96d4220e39..3d6fa2808f 100644
--- a/cpu/lpc1768/syscalls.c
+++ b/cpu/lpc1768/syscalls.c
@@ -224,10 +224,10 @@ pid_t _getpid(void)
     return sched_active_pid;
 }
 /*---------------------------------------------------------------------------*/
+__attribute__ ((weak))
 int _kill_r(struct _reent *r, int pid, int sig)
 {
-    /* not implemented */
-    r->_errno = ESRCH;      // no such process
+    r->_errno = ESRCH;                      /* not implemented yet */
     return -1;
 }
 /*---------------------------------------------------------------------------*/
@@ -241,3 +241,18 @@ int _gettimeofday(struct timeval *tp, void *restrict tzp) {
 
 void _init(void){}
 void _fini(void){}
+
+/**
+ * @brief Send a signal to a thread
+ *
+ * @param[in] pid the pid to send to
+ * @param[in] sig the signal to send
+ *
+ * @return TODO
+ */
+__attribute__ ((weak))
+int _kill(int pid, int sig)
+{
+    errno = ESRCH;                         /* not implemented yet */
+    return -1;
+}