[coverage] Filter some files from instrumentation.

build/standalone.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 344 matching lines @@
         ],
         'android_libcpp_library': 'c++_static',
       }],  # OS=="android"
       ['host_clang==1', {
         'host_cc': '<(clang_dir)/bin/clang',
         'host_cxx': '<(clang_dir)/bin/clang++',
       }, {
         'host_cc': '<!(which gcc)',
         'host_cxx': '<!(which g++)',
       }],
+      ['use_goma==1 and ("<(GENERATOR)"=="ninja" or clang==1)', {

[Michael Achenbach, 2016/02/23 15:51:01]

Unfortunately gyp doesn't support clever chaining of wrappers, so I have to
enumerate the cross product of goma and coverage.

+        'conditions': [
+          ['coverage==1', {
+            'cc_wrapper': '<(base_dir)/build/coverage_wrapper.py <(gomadir)/gomacc',
+          }, {
+            'cc_wrapper': '<(gomadir)/gomacc',
+          }],
+        ],
+      }, {
+        'conditions': [
+          ['coverage==1', {
+            'cc_wrapper': '<(base_dir)/build/coverage_wrapper.py',
+          }, {
+            'cc_wrapper': 0,
+          }],
+        ],
+      }],
     ],
     # Default ARM variable settings.
     'arm_version%': 'default',
     'arm_fpu%': 'vfpv3',
     'arm_float_abi%': 'default',
     'arm_thumb': 'default',
 
     # Default MIPS variable settings.
     'mips_arch_variant%': 'r2',
     # Possible values fp32, fp64, fpxx.
@@ skipping 879 matching lines @@
       'make_global_settings': [
         ['CC', '<!(which arm-linux-gnueabihf-gcc)'],
         ['CXX', '<!(which arm-linux-gnueabihf-g++)'],
         ['CC.host', '<(host_cc)'],
         ['CXX.host', '<(host_cxx)'],
       ],
     }],
     # TODO(yyanagisawa): supports GENERATOR==make
     #  make generator doesn't support CC_wrapper without CC
     #  in make_global_settings yet.
-    ['use_goma==1 and ("<(GENERATOR)"=="ninja" or clang==1)', {
+    ['cc_wrapper!=0', {
       'make_global_settings': [
-       ['CC_wrapper', '<(gomadir)/gomacc'],
-       ['CXX_wrapper', '<(gomadir)/gomacc'],
-       ['CC.host_wrapper', '<(gomadir)/gomacc'],
-       ['CXX.host_wrapper', '<(gomadir)/gomacc'],
+       ['CC_wrapper', '<(cc_wrapper)'],
+       ['CXX_wrapper', '<(cc_wrapper)'],
+       ['CC.host_wrapper', '<(cc_wrapper)'],
+       ['CXX.host_wrapper', '<(cc_wrapper)'],
       ],
     }],
     ['use_lto==1', {
       'target_defaults': {
         'target_conditions': [
           ['_toolset=="target"', {
             'cflags': [
               '-flto',
             ],
           }],
@@ skipping 86 matching lines @@
               '-fsanitize=cfi-vcall',
               '-fsanitize=cfi-derived-cast',
               '-fsanitize=cfi-unrelated-cast',
             ],
           }],
         ],
       },
     }],
   ],
 }