Clean up Makefile, enable MIPS cross-compilation

build/common.gypi

 # Copyright 2012 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 155 matching lines @@
           }],
           ['v8_target_arch=="ia32"', {
             'defines': [
               'V8_TARGET_ARCH_IA32',
             ],
           }],
           ['v8_target_arch=="mips"', {
             'defines': [
               'V8_TARGET_ARCH_MIPS',
             ],
+            'variables': {
+              'mipscompiler': '<!($(echo ${CXX:-$(which g++)}) -v 2>&1 | grep -q "^Target: mips" && echo "yes" || echo "no")',

[Sven Panne, 2012/05/03 07:46:41]

Nit: mips => mips-

[Jakob Kummerow, 2012/05/03 08:11:02]

Done.

+            },
             'conditions': [
-              [ 'target_arch=="mips"', {
+              ['mipscompiler=="yes"', {
                 'target_conditions': [
                   ['_toolset=="target"', {
                     'cflags': ['-EL'],
                     'ldflags': ['-EL'],
                     'conditions': [
                       [ 'v8_use_mips_abi_hardfloat=="true"', {
                         'cflags': ['-mhard-float'],
                         'ldflags': ['-mhard-float'],
                       }, {
                         'cflags': ['-msoft-float'],
@@ skipping 223 matching lines @@
                 # some test cases can cause stack overflow.
                 # 'StackReserveSize': '297152',
               },
             },
           }],  # OS=="win"
         ],  # conditions
       },  # Release
     },  # configurations
   },  # target_defaults
 }