[coverage] Filter some files from instrumentation.

build/standalone.gypi

Index: build/standalone.gypi
diff --git a/build/standalone.gypi b/build/standalone.gypi
index 5269b95f64dbd9cf2f6ecba7c9c0d8764a4bf550..8ec841da498cd70a2691760f96fe9f568ae1dfd5 100644
--- a/build/standalone.gypi
+++ b/build/standalone.gypi
@@ -362,6 +362,23 @@
         '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',
@@ -1261,12 +1278,12 @@
     # 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', {