ARM Skia NEON patches - 14bis - Fix optional NEON on Linux

gyp/core.gyp

 # Core Skia library code.
 {
   'targets': [
     {
       'target_name': 'core',
       'product_name': 'skia_core',
       'type': 'static_library',
       'standalone_static_library': 1,
       'msvs_guid': 'B7760B5E-BFA8-486B-ACFD-49E3A6DE8E76',
 
@@ skipping 63 matching lines @@
         [ 'skia_os == "win"', {
           'include_dirs': [
             'config/win',
           ],
         }],
         [ 'skia_os == "android"', {
           'sources': [
             '../src/core/SkPaintOptionsAndroid.cpp',
           ],
         }],
-        [ 'skia_os == "android" and skia_arch_type == "arm" and armv7 == 1', {
-          # The code in SkUtilsArm.cpp can be used on an ARM-based Linux system, not only Android.
-          'sources': [
-            '../src/core/SkPaintOptionsAndroid.cpp',
-            '../src/core/SkUtilsArm.cpp',
-            '../src/core/SkUtilsArm.h',
+        [ 'skia_arch_type == "arm" and armv7 == 1', {
+          'conditions': [
+            ['skia_os in ["android", "linux"]', {
+              'sources': [
+                '../src/core/SkUtilsArm.cpp',
+                '../src/core/SkUtilsArm.h',
+              ],
+            }],
+            ['skia_os == "android"', {
+              'sources': [
+                '../src/core/SkPaintOptionsAndroid.cpp',
+              ],
+            }],
           ],
         }],
         ['skia_gpu == 1', {
           'include_dirs': [
               '../include/gpu',
               '../src/gpu',
           ],
         }],
       ],
       'direct_dependent_settings': {
@@ skipping 27 matching lines @@
       },
     },
   ],
 }
 
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