Import .gyp files into the Chromium tree

third_party/libevent/libevent.gyp

+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'chromium_code': 1,
+  },
+  'includes': [
+    '../../build/common.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'libevent',
+      'product_name': 'event',
+      'type': 'static_library',
+      'sources': [
+        'buffer.c',
+        'evbuffer.c',
+        'evdns.c',
+        'event.c',
+        'event_tagging.c',
+        'evrpc.c',
+        'evutil.c',
+        'http.c',
+        'log.c',
+        'poll.c',
+        'select.c',
+        'signal.c',
+        'strlcpy.c',
+      ],
+      'defines': [
+        'HAVE_CONFIG_H',
+      ],
+      'include_dirs': [
+        '.',   # libevent includes some of its own headers with #include <...>
+               # instead of #include "..."
+      ],
+      'conditions': [
+        # libevent has platform-specific implementation files.  Since its
+        # native build uses autoconf, platform-specific config.h files are
+        # provided and live in platform-specific directories.
+        [ 'OS == "linux"', { 'sources': [ 'epoll.c', 'epoll_sub.c' ],
+                             'include_dirs': [ 'linux' ] } ],
+        [ 'OS == "mac"',   { 'sources': [ 'kqueue.c' ],
+                             'include_dirs': [ 'mac' ] } ],
+      ],
+    },
+  ],
+}