Building FFmpeg in tree for arm

build/common.gypi

 # Copyright (c) 2009 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   'variables': {
     # .gyp files should set chromium_code to 1 if they build Chromium-specific
@@ skipping 652 matching lines @@
               }],
             ],
             'cflags': [
               '-m32',
             ],
             'ldflags': [
               '-m32',
             ],
           }],
           ['target_arch=="arm"', {
-            'target_conditions': [
-              ['armv7==1 and _toolset=="target"', {
-                'cflags': [
-                  '-march=armv7-a',
-                  '-mtune=cortex-a8',
-                  '-mfpu=neon',
-                  '-mfloat-abi=softfp',
+            'conditions': [
+              ['armv7==1', {
+                'target_conditions': [
+                  ['_toolset=="target"', {
+                    'cflags': [
+                      '-march=armv7-a',
+                      '-mtune=cortex-a8',
+                      '-mfpu=neon',
+                      '-mfloat-abi=softfp',
+                    ],
+                  }],
                 ],
               }],
             ],
           }],
           ['sysroot!=""', {
             'target_conditions': [
               ['_toolset=="target"', {
                 'cflags': [
                   '--sysroot=<(sysroot)',
                 ],
@@ skipping 270 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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