7b3de4b7d0
LTO was disabled due to a GCC compiler bug that does not affect LLVM. This fixes the build in the cfi_vptr==1 configuration, which requires LLVM LTO. TBR=pcc@google.com BUG=chromium:469376 patch from issue 1295663002 at patchset 1 (http://crrev.com/1295663002#ps1) Review URL: https://codereview.webrtc.org/1294293003 . Patch from Peter Collingbourne <pcc@google.com>. Cr-Commit-Position: refs/heads/master@{#9721}
43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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# This file sets correct neon flags. Include it if you want to build
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# source with neon intrinsics.
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# To use this, create a gyp target with the following form:
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# {
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# 'target_name': 'my_lib',
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# 'type': 'static_library',
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# 'sources': [
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# 'foo.c',
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# 'bar.cc',
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# ],
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# 'includes': ['path/to/this/gypi/file'],
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# }
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{
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'cflags!': [
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'-mfpu=vfpv3-d16',
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],
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'conditions': [
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# "-mfpu=neon" is not required for arm64 in GCC.
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['target_arch!="arm64"', {
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'cflags': [
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'-mfpu=neon',
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],
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}],
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# Disable GCC LTO on NEON targets due to compiler bug.
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# TODO(fdegans): Enable this. See crbug.com/408997.
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['clang==0 and use_lto==1', {
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'cflags!': [
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'-flto',
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'-ffat-lto-objects',
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],
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}],
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],
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}
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