Detect MIPS DSP and DSPR2 programattically.

gyp/common_conditions.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # conditions used in both common.gypi and skia.gyp in chromium
 #
 {
   'defines': [
     'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=<(skia_static_initializers)',
@@ skipping 278 matching lines @@
                 ],
               }],
               [ 'skia_os != "chromeos" and skia_os != "linux"', {
                 'cflags': [
                   '-mfloat-abi=softfp',
                 ],
               }],
             ],
           }],
           [ '"mips" in skia_arch_type', {
-            'cflags': [
-              '-EL',
-            ],
+            'cflags': [ '-EL' ],
             'conditions': [
               [ 'mips_arch_variant == "mips32r2"', {
-                'cflags': [
-                  '-march=mips32r2',
-                ],
+                'cflags': [ '-march=mips32r2' ],
                 'conditions': [
-                  [ 'mips_dsp == 1', {
-                    'cflags': [
-                      '-mdsp',
-                    ],
-                    'defines': [
-                      'SK_MIPS_HAS_DSP',
-                    ],
-                  }],
-                  [ 'mips_dsp == 2', {
-                    'cflags': [
-                      '-mdspr2',
-                    ],
-                    'defines': [
-                      'SK_MIPS_HAS_DSP',
-                      'SK_MIPS_HAS_DSPR2',
-                    ],
-                  }],
+                  [ 'mips_dsp == 1', { 'cflags': [ '-mdsp'   ] }],
+                  [ 'mips_dsp == 2', { 'cflags': [ '-mdspr2' ] }],
                 ],
               }],
             ],
           }],
         ],
       },
     ],
 
     ['skia_android_framework', {
       'cflags': [
@@ skipping 304 matching lines @@
     [ 'sknx_no_simd', {
       'defines': [ 'SKNX_NO_SIMD' ],
     }],
 
   ], # end 'conditions'
   # The Xcode SYMROOT must be at the root. See build/common.gypi in chromium for more details
   'xcode_settings': {
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }