removed _kill_r() from syscalls (due to provided by precompiled gnu t…

…oolchain)

added kill_r() to syscalls (due to required by newlib)
unblacklisted board from example Makefile
added CXX flags to board Makefile

boards/stm32f0discovery/Makefile.include

@@ -17,6 +17,7 @@ export PORT
 # define tools used for building the project
 export PREFIX = arm-none-eabi-
 export CC = $(PREFIX)gcc
+export CXX = $(PREFIX)g++
 export AR = $(PREFIX)ar
 export AS = $(PREFIX)as
 export LINK = $(PREFIX)gcc
@@ -41,6 +42,10 @@ export FFLAGS = write bin/$(BOARD)/$(APPLICATION).hex 0x08000000
 export DEBUGGER_FLAGS = $(RIOTBOARD)/$(BOARD)/dist/gdb.conf bin/$(BOARD)/$(APPLICATION).elf
 export TERMFLAGS += -p "$(PORT)"
 
+# unwanted (CXXUWFLAGS) and extra (CXXEXFLAGS) flags for c++
+export CXXUWFLAGS +=
+export CXXEXFLAGS +=
+
 # use the nano-specs of the NewLib when available
 ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
 export LINKFLAGS += -specs=nano.specs -lc -lnosys

cpu/stm32f0/syscalls.c

@@ -147,21 +147,6 @@ int _getpid(void)
     return sched_active_pid;
 }
 
-/**
- * @brief Send a signal to a given thread
- *
- * @param r     TODO
- * @param pid   TODO
- * @param sig   TODO
- *
- * @return      TODO
- */
-int _kill_r(struct _reent *r, int pid, int sig)
-{
-    r->_errno = ESRCH;                      /* not implemented yet */
-    return -1;
-}
-
 /**
  * @brief Open a file
  *
@@ -324,3 +309,5 @@ int _unlink_r(struct _reent *r, char* path)
     r->_errno = ENODEV;                     /* not implemented yet */
     return -1;
 }
+
+void _kill(void) {}

examples/riot_and_cpp/Makefile

@@ -29,7 +29,7 @@ QUIET ?= 1
 
 # Blacklist boards
 BOARD_BLACKLIST := arduino-due avsextrem chronos mbed_lpc1768 msb-430h msba2 redbee-econotag \
-                   telosb wsn430-v1_3b wsn430-v1_4 msb-430 pttu udoo qemu-i386 z1 stm32f0discovery \
+                   telosb wsn430-v1_3b wsn430-v1_4 msb-430 pttu udoo qemu-i386 z1 \
                    stm32f3discovery stm32f4discovery pca10000 pca10005 iot-lab_M3 arduino-mega2560 \
                    msbiot yunjia-nrf51822 samr21-xpro cc2538dk openmote spark-core airfy-beacon \
                    f4vi1