Support VTune's JIT interface.

runtime/tools/gyp/runtime-configurations.gypi

Index: runtime/tools/gyp/runtime-configurations.gypi
diff --git a/runtime/tools/gyp/runtime-configurations.gypi b/runtime/tools/gyp/runtime-configurations.gypi
index 6a52f2d9c2ad4ac568b6ebb120d4c052397210cd..ce343b9b93b922b414cf77a5bd0e066e42721be6 100644
--- a/runtime/tools/gyp/runtime-configurations.gypi
+++ b/runtime/tools/gyp/runtime-configurations.gypi
@@ -8,6 +8,23 @@
     # If we have not set dart_io_support to 1 in Dart's all.gypi or common.gypi,
     # then do not build the native libraries supporting  dart:io.
     'dart_io_support%': 0,
+    # Intel VTune related variables.
+    'dart_vtune_support%': 0,
+    'dart_vtune_root%': '/opt/intel/vtune_amplifier_xe',
+  },
+
+  'configurations': {
+    'Dart_ia32_Base': {
+      'variables': {
+        'dart_vtune_lib_dir': '<(dart_vtune_root)/lib32',
+      }
+    },
+
+    'Dart_x64_Base': {
+      'variables': {
+        'dart_vtune_lib_dir': '<(dart_vtune_root)/lib64',
+      }
+    },
   },
 
   'target_defaults': {
@@ -41,6 +58,11 @@
         'xcode_settings': {
           'ARCHS': [ 'i386' ],
         },
+        'conditions': [
+          ['OS=="linux" and dart_vtune_support == 1', {
+            'ldflags': ['-L<(dart_vtune_root)/lib32'],
+          }]
+        ],
       },
 
       'Dart_x64_Base': {
@@ -48,6 +70,11 @@
         'xcode_settings': {
           'ARCHS': [ 'x86_64' ],
         },
+        'conditions': [
+          ['OS=="linux" and dart_vtune_support == 1', {
+            'ldflags': ['-L<(dart_vtune_root)/lib64'],
+          }]
+        ],
       },
 
       'Dart_simarm_Base': {