Streamline SIMD targets in media.gyp

third_party/yasm/yasm_compile.gypi

 # 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 is an gyp include to use YASM for compiling assembly files.
 #
 # Files to be compiled with YASM should have an extension of .asm.
 #
-# There are two variables for this include:
+# There are three variables for this include:
 # yasm_flags : Pass additional flags into YASM.
 # yasm_output_path : Output directory for the compiled object files.
+# yasm_includes : Includes used by .asm code.  Changes to which should force
+#                 recompilation.
 #
 # Sample usage:
 # 'sources': [
 #   'ultra_optimized_awesome.asm',
 # ],
 # 'variables': {
 #   'yasm_flags': [
 #     '-I', 'assembly_include',
 #   ],
 #   'yasm_output_path': '<(SHARED_INTERMEDIATE_DIR)/project',
+#   'yasm_includes': ['ultra_optimized_awesome.inc']
 # },
 # 'includes': [
 #   'third_party/yasm/yasm_compile.gypi'
 # ],
 
 {
   'variables': {
     'yasm_flags': [],
+    'yasm_includes': [],
 
     'conditions': [
       [ 'use_system_yasm==0', {
         'yasm_path': '<(PRODUCT_DIR)/yasm<(EXECUTABLE_SUFFIX)',
       }, {
         'yasm_path': '<!(which yasm)',
       }],
 
       # Define yasm_flags that pass into YASM.
       [ 'os_posix==1 and OS!="mac" and target_arch=="ia32"', {
@@ skipping 51 matching lines @@
       'dependencies': [
         '<(DEPTH)/third_party/yasm/yasm.gyp:yasm#host',
       ],
     }],
   ],  # conditions
 
   'rules': [
     {
       'rule_name': 'assemble',
       'extension': 'asm',
-      'inputs': [ '<(yasm_path)', ],
+      'inputs': [ '<(yasm_path)', '<@(yasm_includes)'],
       'outputs': [
         '<(yasm_output_path)/<(RULE_INPUT_ROOT).<(asm_obj_extension)',
       ],
       'action': [
         '<(yasm_path)',
         '<@(yasm_flags)',
         '-o', '<(yasm_output_path)/<(RULE_INPUT_ROOT).<(asm_obj_extension)',
         '<(RULE_INPUT_PATH)',
       ],
       'process_outputs_as_sources': 1,
       'message': 'Compile assembly <(RULE_INPUT_PATH).',
     },
   ],  # rules
 }