Only define NO_POSIX_MEMALIGN when needed

gyp/dng_sdk.gyp

 # Copyright 2016 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # The Adobe DNG SDK, an API for reading and writing DNG files.
 {
 'variables': {
   'other_cflags': [
     '-DqDNGBigEndian=0',
     '-DqDNGReportErrors=0',
     '-DqDNGThreadSafe=1',
     '-DqDNGUseLibJPEG=1',
     '-DqDNGUseXMP=0',
     '-DqDNGValidate=0',
     '-DqDNGValidateTarget=1',
     '-fexceptions',
     '-frtti',
     '-w',
     '-Wframe-larger-than=20000',
     '-DUNIX_ENV=1',
-    
-    # FIXME: only disable ::posix_memalign() when needed.
-    '-DNO_POSIX_MEMALIGN',
   ],
   'headers': [
     '../third_party/externals/dng_sdk/source/RawEnvironment.h',
     '../third_party/externals/dng_sdk/source/dng_1d_function.h',
     '../third_party/externals/dng_sdk/source/dng_1d_table.h',
     '../third_party/externals/dng_sdk/source/dng_abort_sniffer.h',
     '../third_party/externals/dng_sdk/source/dng_area_task.h',
     '../third_party/externals/dng_sdk/source/dng_assertions.h',
     '../third_party/externals/dng_sdk/source/dng_auto_ptr.h',
     '../third_party/externals/dng_sdk/source/dng_bad_pixels.h',
@@ skipping 79 matching lines @@
         'dependencies': [ 'dng_sdk.gyp:dng_sdk' ],
         'export_dependent_settings': [ 'dng_sdk.gyp:dng_sdk' ],
     }]
   ]
 },{
   'target_name': 'dng_sdk',
   'type': 'static_library',
   'cflags_cc!': [ '-fno-rtti' ],
   'cflags': [ '<@(other_cflags)' ],
   'conditions': [
+    ['skia_os == "android"', {
+      'cflags': [
+        # FIXME: only disable ::posix_memalign() when needed.
+        '-DNO_POSIX_MEMALIGN',
+      ],
+    }],
     ['skia_os == "ios" or skia_os == "mac"', {
       'xcode_settings': {
         'OTHER_CFLAGS': [ '<@(other_cflags)' ],
         'OTHER_CPLUSPLUSFLAGS': [ '<@(other_cflags)' ],
       },
     }],
+    ['skia_os == "win"', {
+      'msvs_settings': {
+        'VCCLCompilerTool': {
+          'WarningLevel': '0',
+          'AdditionalOptions': ['/wd4189', ],
+        },
+      },
+    }],
     ['skia_os != "linux"', {
       'sources': ['<@(headers)'],
     }],
   ],
-  'msvs_settings': {
-    'VCCLCompilerTool': {
-      'WarningLevel': '0',
-      'AdditionalOptions': ['/wd4189', ],
-    },
-  },
   'dependencies': [
     'libjpeg-turbo-selector.gyp:libjpeg-turbo-selector',
     'zlib.gyp:zlib',
   ],
   'include_dirs': [
     '../third_party/externals/dng_sdk/source',
     '../third_party/externals/libjpeg-turbo',
   ],
   'direct_dependent_settings': {
     'include_dirs': [
@@ skipping 61 matching lines @@
     '../third_party/externals/dng_sdk/source/dng_temperature.cpp',
     '../third_party/externals/dng_sdk/source/dng_tile_iterator.cpp',
     '../third_party/externals/dng_sdk/source/dng_tone_curve.cpp',
     '../third_party/externals/dng_sdk/source/dng_utils.cpp',
     '../third_party/externals/dng_sdk/source/dng_xy_coord.cpp',
     '../third_party/externals/dng_sdk/source/dng_jpeg_memory_source.cpp',
     '../third_party/externals/dng_sdk/source/dng_safe_arithmetic.cpp',
   ],
 }],
 }