Check for support in ARMC6

Author: theotherjimmy

tools/toolchains/arm.py

@@ -22,7 +22,7 @@
 
 from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS
 from tools.hooks import hook_tool
-from tools.utils import mkdir
+from tools.utils import mkdir, NotSupportedException
 
 class ARM(mbedToolchain):
     LINKER_EXT = '.sct'
@@ -276,6 +276,9 @@ def check_executable():
     def __init__(self, target, *args, **kwargs):
         mbedToolchain.__init__(self, target, *args, **kwargs)
 
+        if "ARM" not in target.supported_toolchains:
+            raise NotSupportedException("ARM compiler support is required for ARMC6 support")
+
         if target.core.lower().endswith("fd"):
             self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-2])
             self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-2])