openbsd and freebsd fixes for base

build/common.gypi

 # Copyright (c) 2011 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1088 matching lines @@
       }],
       ['enable_web_intents==1', {
         'defines': [
           'ENABLE_WEB_INTENTS=1',
         ],
       }],
     ],  # conditions for 'target_defaults'
     'target_conditions': [
       ['chromium_code==0', {
         'conditions': [
-          [ 'os_posix==1 and OS!="mac"', {
+          [ 'os_posix==1 and OS!="mac" and OS!="openbsd"', {
             # We don't want to get warnings from third-party code,
             # so remove any existing warning-enabling flags like -Wall.
             'cflags!': [
               '-Wall',
               '-Wextra',
               '-Werror',
             ],
             'cflags': [
               # Don't warn about hash_map in third-party code.
               '-Wno-deprecated',
               # Don't warn about printf format problems.
               # This is off by default in gcc but on in Ubuntu's gcc(!).
               '-Wno-format',
             ],
             'cflags_cc!': [
               # TODO(fischman): remove this.
               # http://code.google.com/p/chromium/issues/detail?id=90453
               '-Wsign-compare',
             ]
           }],
-          [ 'os_posix==1 and OS!="mac" and chromeos==0', {
+          [ 'os_posix==1 and OS!="mac" and OS!="openbsd" and chromeos==0', {
             'cflags': [
               # Don't warn about ignoring the return value from e.g. close().
               # This is off by default in some gccs but on by default in others.
               # Currently this option is not set for Chrome OS build because
               # the current version of gcc (4.3.4) used for building Chrome in
               # Chrome OS chroot doesn't support this option.
               # TODO(mazda): remove the conditional for Chrome OS when gcc
               # version is upgraded.
               '-Wno-unused-result',
             ],
@@ skipping 1379 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }