Fuchsia: Initial check-in.

tools/gyp/configurations_fuchsia.gypi

Index: tools/gyp/configurations_fuchsia.gypi
diff --git a/tools/gyp/configurations_fuchsia.gypi b/tools/gyp/configurations_fuchsia.gypi
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+# Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+# Definitions for building standalone Dart binaries to run on Fuchsia.
+
+{
+  'variables': {
+    'fuchsia_tools': '<(PRODUCT_DIR)/../../third_party/fuchsia_tools/',
+  },  # variables
+  'target_defaults': {
+    'configurations': {
+      'Dart_Fuchsia_Base': {
+        'abstract': 1,
+        'cflags': [
+          '-Werror',
+          '<@(common_gcc_warning_flags)',
+          '-Wnon-virtual-dtor',
+          '-Wvla',
+          '-Woverloaded-virtual',
+          '-g3',
+          '-ggdb3',
+          '-fno-rtti',
+          '-fno-exceptions',
+          '-fstack-protector',
+          '-Wa,--noexecstack',
+        ],
+        'target_conditions': [
+          ['_toolset=="target"', {
+            'cflags!': [
+              '-pthread',  # Not supported by Android toolchain.
+            ],
+          }],
+        ],
+      },
+      'Dart_Fuchsia_Debug': {
+        'abstract': 1,
+        'defines': [
+          'DEBUG',
+        ],
+        'cflags': [
+          '-fno-omit-frame-pointer',
+        ],
+      },
+      'Dart_Fuchsia_Release': {
+        'abstract': 1,
+        'defines': [
+          'NDEBUG',
+        ],
+        'cflags!': [
+          '-O2',
+          '-Os',
+        ],
+        'cflags': [
+          '-fno-omit-frame-pointer',
+          '-fdata-sections',
+          '-ffunction-sections',
+          '-O3',
+        ],
+      },
+      'Dart_Fuchsia_Product': {
+        'abstract': 1,
+        'defines': [
+          'NDEBUG',
+          'PRODUCT',
+        ],
+        'cflags!': [
+          '-O2',
+          '-Os',
+        ],
+        'cflags': [
+          '-fdata-sections',
+          '-ffunction-sections',
+          '-O3',
+        ],
+      },
+      'Dart_Fuchsia_x64_Base': {
+        'abstract': 1,
+        'variables': {
+          'fuchsia_sysroot': '<(fuchsia_tools)/sysroot/x86_64',
+          'fuchsia_include': '<(fuchsia_sysroot)/usr/include',
+          'fuchsia_lib': '<(fuchsia_sysroot)/usr/lib',
+        },
+        'target_conditions': [
+          ['_toolset=="target"', {
+            'defines': [
+              'TARGET_OS_FUCHSIA',
+            ],
+            'cflags': [
+              '--sysroot=<(fuchsia_sysroot)',
+              '-I<(fuchsia_include)',
+              '-fno-threadsafe-statics',
+            ],
+            'ldflags': [
+              'x64', '>(_type)', 'target',
+              '-nostdlib',
+              '-T<(fuchsia_sysroot)/usr/user.ld',
+              '-L<(fuchsia_lib)',
+              '-Wl,-z,noexecstack',
+              '-Wl,-z,now',
+              '-Wl,-z,relro',
+              '<(fuchsia_lib)/crt1.o',
+              '<(fuchsia_lib)/crti.o',
+            ],
+            'ldflags!': [
+              '-pthread',
+            ],
+          }],
+          ['_toolset=="host"', {
+            'cflags': [ '-pthread' ],
+            'ldflags': [ '-pthread' ],
+          }],
+        ],
+      },
+      'Dart_Fuchsia_arm64_Base': {
+        'abstract': 1,
+        'variables': {
+          'fuchsia_sysroot': '<(fuchsia_tools)/sysroot/arm64',
+          'fuchsia_include': '<(fuchsia_sysroot)/usr/include',
+          'fuchsia_lib': '<(fuchsia_sysroot)/usr/lib',
+        },
+        'target_conditions': [
+          ['_toolset=="target"', {
+            'defines': [
+              'TARGET_OS_FUCHSIA',
+            ],
+            'cflags': [
+              '--sysroot=<(fuchsia_sysroot)',
+              '-I<(fuchsia_include)',
+              '-fno-threadsafe-statics',
+            ],
+            'ldflags': [
+              'arm64', '>(_type)', 'target',
+              '-nostdlib',
+              '-L<(fuchsia_lib)',
+              '-Wl,-z,noexecstack',
+              '-Wl,-z,now',
+              '-Wl,-z,relro',
+            ],
+            'ldflags!': [
+              '-pthread',
+            ],
+          }],
+          ['_toolset=="host"', {
+            'cflags': [ '-pthread' ],
+            'ldflags': [ '-pthread' ],
+          }],
+        ],
+      },  # Dart_Fuchsia_arm64_Base
+    },  # configurations
+  },  # target_defaults
+}