Add ARM_LINK_FLAGS when build d8 with arch=arm to make...

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 # Copyright 2010 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 25 matching lines @@
 import js2c, utils
 
 # ANDROID_TOP is the top of the Android checkout, fetched from the environment
 # variable 'TOP'.   You will also need to set the CXX, CC, AR and RANLIB
 # environment variables to the cross-compiling tools.
 ANDROID_TOP = os.environ.get('TOP')
 if ANDROID_TOP is None:
   ANDROID_TOP=""
 
 # ARM_TARGET_LIB is the path to the dynamic library to use on the target
-# machine if cross-compiling to an arm machine. You will also need to set 
+# machine if cross-compiling to an arm machine. You will also need to set
 # the additional cross-compiling environment variables to the cross compiler.
 ARM_TARGET_LIB = os.environ.get('ARM_TARGET_LIB')
 if ARM_TARGET_LIB:
   ARM_LINK_FLAGS = ['-Wl,-rpath=' + ARM_TARGET_LIB + '/lib:' +
                      ARM_TARGET_LIB + '/usr/lib',
                     '-Wl,--dynamic-linker=' + ARM_TARGET_LIB +
                     '/lib/ld-linux.so.3']
 else:
   ARM_LINK_FLAGS = []
 
@@ skipping 565 matching lines @@
     },
     'os:android': {
       'LIBPATH':     [ANDROID_TOP + '/out/target/product/generic/obj/lib',
                       ANDROID_TOP + '/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/interwork'],
       'LINKFLAGS':    ANDROID_LINKFLAGS,
       'LIBS':         ['log', 'c', 'stdc++', 'm', 'gcc'],
     },
     'os:win32': {
       'LIBS': ['winmm', 'ws2_32'],
     },
+    'arch:arm': {
+      'LINKFLAGS':   ARM_LINK_FLAGS
+    },
   },
   'msvc': {
     'all': {
       'LIBS': ['winmm', 'ws2_32']
     }
   }
 }
 
 
 SUFFIXES = {
@@ skipping 500 matching lines @@
 # version of scons.  Also, there's a bug in some revisions that
 # doesn't allow this flag to be set, so we swallow any exceptions.
 # Lovely.
 try:
   SetOption('warn', 'no-deprecated')
 except:
   pass
 
 
 Build()