When NEON disabled, always build ARM memset routines.

skia/skia_library_opts.gyp

 # Copyright 2013 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 gyp file contains the platform-specific optimizations for Skia
 {
   'targets': [
     # Due to an unfortunate intersection of lameness between gcc and gyp,
     # we have to build the *_SSE2.cpp files in a separate target.  The
@@ skipping 84 matching lines @@
             '-marm',
             '-mapcs-frame',
           ],
           'cflags': [
             '-fomit-frame-pointer',
           ],
           'sources': [
             '../third_party/skia/src/opts/SkBitmapProcState_opts_arm.cpp',
           ],
         }],
-        [ 'target_arch == "arm" and (arm_version < 7 or (arm_neon == 0 and arm_neon_optional == 1))', {
+        [ 'target_arch == "arm" and (arm_version < 7 or arm_neon == 0)', {
           'sources': [
             '../third_party/skia/src/opts/memset.arm.S',
           ],
         }],
         [ 'target_arch == "arm" and arm_version < 6', {
           'sources': [
             '../third_party/skia/src/opts/SkBlitMask_opts_none.cpp',
             '../third_party/skia/src/opts/SkBlitRow_opts_none.cpp',
             '../third_party/skia/src/opts/SkUtils_opts_none.cpp',
             '../third_party/skia/src/opts/SkXfermode_opts_none.cpp',
@@ skipping 207 matching lines @@
               'defines': [
                 '__ARM_HAVE_OPTIONAL_NEON_SUPPORT',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }