Add iOS support to ssl.gyp and zlib.gyp

third_party/zlib/zlib.gyp

 # Copyright (c) 2012 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': {
     'conditions': [
-      [ 'os_posix == 1 and OS != "mac" and OS != "openbsd"', {
+      [ 'os_posix == 1 and OS != "mac" and OS != "ios" and OS != "openbsd"', {
         # Link to system .so since we already use it due to GTK.
         # TODO(pvalchev): OpenBSD is purposefully left out, as the system
         # zlib brings up an incompatibility that breaks rendering.
         'use_system_zlib%': 1,
-      }, {  # os_posix != 1 or OS == "mac" or OS == "openbsd"
+      }, {  # os_posix != 1 or OS == "mac" or OS == "ios" or OS == "openbsd"
         'use_system_zlib%': 0,
       }],
     ],
   },
   'targets': [
     {
       'target_name': 'zlib',
       'type': 'static_library',
       'conditions': [
         ['use_system_zlib==0', {
@@ skipping 69 matching lines @@
             ['OS=="android"', {
               'toolsets': ['target', 'host'],
             }],
           ],
           'link_settings': {
             'libraries': [
               '-lz',
             ],
           },
         }],
-        ['OS=="mac" or os_bsd==1 or OS=="android"', {
+        ['OS=="mac" or OS=="ios" or os_bsd==1 or OS=="android"', {
           # Mac, Android and the BSDs don't have fopen64, ftello64, or
           # fseeko64. We use fopen, ftell, and fseek instead on these
           # systems.
           'defines': [
             'USE_FILE32API'
           ],
         }],
         ['clang==1', {
           'xcode_settings': {
             'WARNING_CFLAGS': [
               # zlib uses `if ((a == b))` for some reason.
               '-Wno-parentheses-equality',
             ],
           },
           'cflags': [
             '-Wno-parentheses-equality',
           ],
         }],
       ],
     }
   ],
 }