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1 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
2 # | |
3 # Use of this source code is governed by a BSD-style license | |
4 # that can be found in the LICENSE file in the root of the source | |
5 # tree. An additional intellectual property rights grant can be found | |
6 # in the file PATENTS. All contributing project authors may | |
7 # be found in the AUTHORS file in the root of the source tree. | |
8 | |
9 # This file sets correct neon flags. Include it if you want to build | |
10 # source with neon intrinsics. | |
11 # To use this, create a gyp target with the following form: | |
12 # { | |
13 # 'target_name': 'my_lib', | |
14 # 'type': 'static_library', | |
15 # 'sources': [ | |
16 # 'foo.c', | |
17 # 'bar.cc', | |
18 # ], | |
19 # 'includes': ['path/to/this/gypi/file'], | |
20 # } | |
21 | |
22 { | |
23 'cflags!': [ | |
24 '-mfpu=vfpv3-d16', | |
25 ], | |
26 'conditions': [ | |
27 # "-mfpu=neon" is not required for arm64 in GCC. | |
28 ['target_arch!="arm64"', { | |
29 'cflags': [ | |
30 '-mfpu=neon', | |
31 ], | |
32 }], | |
33 # Disable GCC LTO on NEON targets due to compiler bug. | |
34 # TODO(fdegans): Enable this. See crbug.com/408997. | |
35 ['clang==0 and use_lto==1', { | |
36 'cflags!': [ | |
37 '-flto', | |
38 '-ffat-lto-objects', | |
39 ], | |
40 }], | |
41 ], | |
42 } | |
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