More ARM GYP fixes

Review URL: https://codereview.chromium.org/13902014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14292 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Makefile

@@ -122,8 +122,6 @@ ifeq ($(armv7), false)
 else
 ifeq ($(armv7), true)
   GYPFLAGS += -Darmv7=1
-else
-  GYPFLAGS += -Darmv7=default
 endif
 endif
 # vfp2=off. Deprecated, use armfpu=
@@ -166,8 +164,6 @@ ifeq ($(armthumb), off)
 else
 ifeq ($(armthumb), on)
   GYPFLAGS += -Darm_thumb=1
-else
-  GYPFLAGS += -Darm_thumb=default
 endif
 endif
 # armtest=on

build/standalone.gypi

@@ -76,9 +76,11 @@
       }],
     ],
     # Default ARM variable settings.
-    'armv7%': 1,
+    'armv7%': 'default',
     'arm_neon%': 0,
     'arm_fpu%': 'vfpv3',
+    'arm_float_abi%': 'default',
+    'arm_thumb': 'default',
   },
   'target_defaults': {
     'default_configuration': 'Debug',