Disable libjpeg turbo getenv()

libjpeg.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.
 
 {
   # This file is not used when use_system_libjepg==1. Settings for building with
   # the system libjpeg is in third_party/libjpeg/libjpeg.gyp.
   'variables': {
     'shared_generated_dir': '<(SHARED_INTERMEDIATE_DIR)/third_party/libjpeg_turbo',
     'conditions': [
       [ 'OS=="win"', {
         'object_suffix': 'obj',
       }, {
         'object_suffix': 'o',
       }],
     ],
   },
   'targets': [
     {
       'target_name': 'libjpeg',
       'type': 'static_library',
       'include_dirs': [
         '.',
       ],
       'defines': [
-        'WITH_SIMD', 'MOTION_JPEG_SUPPORTED',
+        'WITH_SIMD',
+        'MOTION_JPEG_SUPPORTED',
+        'NO_GETENV',
       ],
       'sources': [
         'jcapimin.c',
         'jcapistd.c',
         'jccoefct.c',
         'jccolor.c',
         'jcdctmgr.c',
         'jchuff.c',
         'jchuff.h',
         'jcinit.c',
@@ skipping 256 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: