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extra/chromium: aarch64 support

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This commit is contained in:
Kevin Mihelich 2016-03-07 04:49:36 +00:00
parent 005eb511e9
commit 567884da80
7 changed files with 256 additions and 124 deletions
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65
extra/chromium/0001-system-ffmpeg-fixes.patch Normal file
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@ -0,0 +1,65 @@
From 8790632dee783eb26997715df33c600128cf217b Mon Sep 17 00:00:00 2001
From: Kevin Mihelich <kevin@archlinuxarm.org>
Date: Sun, 6 Mar 2016 20:26:53 -0700
Subject: [PATCH 1/3] system ffmpeg fixes
---
media/ffmpeg/ffmpeg_common.h | 5 -----
media/filters/ffmpeg_demuxer.cc | 18 ------------------
2 files changed, 23 deletions(-)
diff --git a/media/ffmpeg/ffmpeg_common.h b/media/ffmpeg/ffmpeg_common.h
index 55e3ab7..0ec595c 100644
--- a/media/ffmpeg/ffmpeg_common.h
+++ b/media/ffmpeg/ffmpeg_common.h
@@ -21,10 +21,6 @@
// Include FFmpeg header files.
extern "C" {
-// Disable deprecated features which result in spammy compile warnings. This
-// list of defines must mirror those in the 'defines' section of BUILD.gn file &
-// ffmpeg.gyp file or the headers below will generate different structures!
-#define FF_API_CONVERGENCE_DURATION 0
// Upstream libavcodec/utils.c still uses the deprecated
// av_dup_packet(), causing deprecation warnings.
// The normal fix for such things is to disable the feature as below,
@@ -38,7 +34,6 @@ extern "C" {
MSVC_PUSH_DISABLE_WARNING(4244);
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
-#include <libavformat/internal.h>
#include <libavformat/avio.h>
#include <libavutil/avutil.h>
#include <libavutil/imgutils.h>
diff --git a/media/filters/ffmpeg_demuxer.cc b/media/filters/ffmpeg_demuxer.cc
index 18863e6..a7cd444 100644
--- a/media/filters/ffmpeg_demuxer.cc
+++ b/media/filters/ffmpeg_demuxer.cc
@@ -1035,24 +1035,6 @@ void FFmpegDemuxer::OnFindStreamInfoDone(const PipelineStatusCB& status_cb,
// If no estimate is found, the stream entry will be kInfiniteDuration().
std::vector<base::TimeDelta> start_time_estimates(format_context->nb_streams,
kInfiniteDuration());
- const AVFormatInternal* internal = format_context->internal;
- if (internal && internal->packet_buffer &&
- format_context->start_time != static_cast<int64_t>(AV_NOPTS_VALUE)) {
- struct AVPacketList* packet_buffer = internal->packet_buffer;
- while (packet_buffer != internal->packet_buffer_end) {
- DCHECK_LT(static_cast<size_t>(packet_buffer->pkt.stream_index),
- start_time_estimates.size());
- const AVStream* stream =
- format_context->streams[packet_buffer->pkt.stream_index];
- if (packet_buffer->pkt.pts != static_cast<int64_t>(AV_NOPTS_VALUE)) {
- const base::TimeDelta packet_pts =
- ConvertFromTimeBase(stream->time_base, packet_buffer->pkt.pts);
- if (packet_pts < start_time_estimates[stream->index])
- start_time_estimates[stream->index] = packet_pts;
- }
- packet_buffer = packet_buffer->next;
- }
- }
AVStream* audio_stream = NULL;
AudioDecoderConfig audio_config;
--
2.7.2

69
extra/chromium/0002-sandbox-arm64-align-stack-16-bytes.patch Normal file
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@ -0,0 +1,69 @@
From a6a7d9a4ad84da293071fbbbc7eedd2ce51abdf4 Mon Sep 17 00:00:00 2001
From: "riku.voipio" <riku.voipio@linaro.org>
Date: Wed, 27 Jan 2016 09:13:57 -0800
Subject: [PATCH 2/3] sandbox arm64: align stack 16 bytes
chrome fails to start with user namespace sandboxing:
[866:866:0120/134742:FATAL:zygote_host_impl_linux.cc(182)] Check failed: process.IsValid().
Failed to launch zygote process
With strace..
clone(child_stack=0x7ffd28fd98, flags=CLONE_NEWUSER|CLONE_NEWPID|CLONE_NEWNET|SIGCHLD) = -1 EINVAL (Invalid argument)
Which compared to kernel sources[1], shows that stack needs to be 16
bytes aligned. because stack grows downward, this patch assumes
PTHREAD_STACK_MIN is dividable by 16 too.
[1] http://lxr.free-electrons.com/source/arch/arm64/kernel/process.c#L267
BUG=581018
R=keescook@chromium.org,jln@chromium.org,rsesek@chromium.org,thakis@chromium.org
TEST=base_unittests ProcessUtilTest.* and sandbox_linux_unittests NamespaceSandboxTest.*
Review URL: https://codereview.chromium.org/1617763002
Cr-Commit-Position: refs/heads/master@{#371809}
---
base/process/launch_posix.cc | 2 +-
sandbox/linux/services/credentials.cc | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/base/process/launch_posix.cc b/base/process/launch_posix.cc
index 4bd3da3..4019de5 100644
--- a/base/process/launch_posix.cc
+++ b/base/process/launch_posix.cc
@@ -736,7 +736,7 @@ NOINLINE pid_t CloneAndLongjmpInChild(unsigned long flags,
// internal pid cache. The libc interface unfortunately requires
// specifying a new stack, so we use setjmp/longjmp to emulate
// fork-like behavior.
- char stack_buf[PTHREAD_STACK_MIN];
+ char stack_buf[PTHREAD_STACK_MIN] ALIGNAS(16);
#if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY) || \
defined(ARCH_CPU_MIPS64_FAMILY) || defined(ARCH_CPU_MIPS_FAMILY)
// The stack grows downward.
diff --git a/sandbox/linux/services/credentials.cc b/sandbox/linux/services/credentials.cc
index fb6b6b4..76038af 100644
--- a/sandbox/linux/services/credentials.cc
+++ b/sandbox/linux/services/credentials.cc
@@ -16,6 +16,7 @@
#include <unistd.h>
#include "base/bind.h"
+#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
@@ -94,7 +95,7 @@ bool ChrootToSafeEmptyDir() {
// /proc/tid directory for the thread (since /proc may not be aware of the
// PID namespace). With a process, we can just use /proc/self.
pid_t pid = -1;
- char stack_buf[PTHREAD_STACK_MIN];
+ char stack_buf[PTHREAD_STACK_MIN] ALIGNAS(16);
#if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY) || \
defined(ARCH_CPU_MIPS64_FAMILY) || defined(ARCH_CPU_MIPS_FAMILY)
// The stack grows downward.
--
2.7.2

90
extra/chromium/0003-Linux-Sandbox-whitelist-arm64-syscalls.patch Normal file
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@ -0,0 +1,90 @@
From 76610303d10f886c382fe6ba54f0d89ed652497f Mon Sep 17 00:00:00 2001
From: "riku.voipio" <riku.voipio@linaro.org>
Date: Tue, 1 Mar 2016 08:02:43 -0800
Subject: [PATCH 3/3] Linux Sandbox: whitelist arm64 syscalls
On debian/arm64, two syscalls needed whitelisting for chromium to work with seccomp:
epoll_pwait, replacing epoll_wait which is a legacy syscall not available on arm64. epoll_wait implmentation in glibc calls epoll_pwait behind scenes, so this needs to be enabled.
getrlimit, missing #ifdef for arm64 in several policy definitions. test for arm64 added for each case.
BUG=581018
R=keescook@chromium.org,jln@chromium.org,rsesek@chromium.org
TEST=Start chrome on arm64 with seccomp enabled kernel
Review URL: https://codereview.chromium.org/1613883002
Cr-Commit-Position: refs/heads/master@{#378440}
---
components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.cc | 3 ++-
content/common/sandbox_linux/bpf_renderer_policy_linux.cc | 3 ++-
content/common/sandbox_linux/bpf_utility_policy_linux.cc | 3 ++-
sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc | 2 +-
4 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.cc b/components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.cc
index 66a606a..3e88304 100644
--- a/components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.cc
+++ b/components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.cc
@@ -106,7 +106,8 @@ ResultExpr NaClBPFSandboxPolicy::EvaluateSyscall(int sysno) const {
// NaCl uses custom signal stacks.
case __NR_sigaltstack:
// Below is fairly similar to the policy for a Chromium renderer.
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__aarch64__)
case __NR_getrlimit:
#endif
#if defined(__i386__) || defined(__arm__)
diff --git a/content/common/sandbox_linux/bpf_renderer_policy_linux.cc b/content/common/sandbox_linux/bpf_renderer_policy_linux.cc
index e799273..993e2a5 100644
--- a/content/common/sandbox_linux/bpf_renderer_policy_linux.cc
+++ b/content/common/sandbox_linux/bpf_renderer_policy_linux.cc
@@ -60,7 +60,8 @@ ResultExpr RendererProcessPolicy::EvaluateSyscall(int sysno) const {
// Allow the system calls below.
case __NR_fdatasync:
case __NR_fsync:
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__aarch64__)
case __NR_getrlimit:
#endif
#if defined(__i386__) || defined(__arm__)
diff --git a/content/common/sandbox_linux/bpf_utility_policy_linux.cc b/content/common/sandbox_linux/bpf_utility_policy_linux.cc
index 3ead1c8..1336796 100644
--- a/content/common/sandbox_linux/bpf_utility_policy_linux.cc
+++ b/content/common/sandbox_linux/bpf_utility_policy_linux.cc
@@ -32,7 +32,8 @@ ResultExpr UtilityProcessPolicy::EvaluateSyscall(int sysno) const {
// Allow the system calls below.
case __NR_fdatasync:
case __NR_fsync:
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+ defined(__aarch64__)
case __NR_getrlimit:
#endif
#if defined(__i386__) || defined(__arm__)
diff --git a/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc b/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
index c217d47..21147b4 100644
--- a/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+++ b/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
@@ -414,6 +414,7 @@ bool SyscallSets::IsAllowedEpoll(int sysno) {
case __NR_epoll_create:
case __NR_epoll_wait:
#endif
+ case __NR_epoll_pwait:
case __NR_epoll_create1:
case __NR_epoll_ctl:
return true;
@@ -421,7 +422,6 @@ bool SyscallSets::IsAllowedEpoll(int sysno) {
#if defined(__x86_64__)
case __NR_epoll_ctl_old:
#endif
- case __NR_epoll_pwait:
#if defined(__x86_64__)
case __NR_epoll_wait_old:
#endif
--
2.7.2

53
extra/chromium/PKGBUILD
View file

@ -10,12 +10,13 @@
# ALARM: Kevin Mihelich <kevin@archlinuxarm.org> # ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
# - removed NaCl, not for ARM # - removed NaCl, not for ARM
# - adjusted gyp flags for v7h # - adjusted gyp flags for v7/aarch64
# - patch to fix webrtc code for non-android ARM # - makeflags to -j4 on v7, RAM constraints
# - patch (hack) to fix skia # - Gentoo patch to remove lingering built-in ffmpeg code
# - makeflags to -j3, seems to barf higher # - upstream patches to fix AArch64
buildarch=4 buildarch=12
highmem=1
pkgname=chromium pkgname=chromium
pkgver=49.0.2623.75 pkgver=49.0.2623.75
@ -29,7 +30,7 @@ depends=('gtk2' 'nss' 'alsa-lib' 'xdg-utils' 'bzip2' 'libevent' 'libxss' 'icu'
'libexif' 'libgcrypt' 'ttf-font' 'systemd' 'dbus' 'flac' 'snappy' 'libexif' 'libgcrypt' 'ttf-font' 'systemd' 'dbus' 'flac' 'snappy'
'speech-dispatcher' 'pciutils' 'libpulse' 'harfbuzz' 'libsecret' 'speech-dispatcher' 'pciutils' 'libpulse' 'harfbuzz' 'libsecret'
'libvpx' 'perl' 'perl-file-basedir' 'desktop-file-utils' 'libvpx' 'perl' 'perl-file-basedir' 'desktop-file-utils'
'hicolor-icon-theme') 'hicolor-icon-theme' 'ffmpeg')
makedepends=('python2' 'gperf' 'yasm' 'mesa' 'ninja') makedepends=('python2' 'gperf' 'yasm' 'mesa' 'ninja')
optdepends=('kdebase-kdialog: needed for file dialogs in KDE' optdepends=('kdebase-kdialog: needed for file dialogs in KDE'
'gnome-keyring: for storing passwords in GNOME keyring' 'gnome-keyring: for storing passwords in GNOME keyring'
@ -40,15 +41,17 @@ install=chromium.install
source=(https://commondatastorage.googleapis.com/chromium-browser-official/$pkgname-$pkgver.tar.xz source=(https://commondatastorage.googleapis.com/chromium-browser-official/$pkgname-$pkgver.tar.xz
chromium-launcher-$_launcher_ver.tar.gz::https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver.tar.gz chromium-launcher-$_launcher_ver.tar.gz::https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver.tar.gz
chromium.desktop chromium.desktop
arm-webrtc-fix.patch chromium-widevine.patch
chromium-arm-r0.patch 0001-system-ffmpeg-fixes.patch
chromium-widevine.patch) 0002-sandbox-arm64-align-stack-16-bytes.patch
0003-Linux-Sandbox-whitelist-arm64-syscalls.patch)
sha256sums=('a4fd4c85b12b021789d8afc33b27555396e47d9f67c8a062ee3609c4d6b582f5' sha256sums=('a4fd4c85b12b021789d8afc33b27555396e47d9f67c8a062ee3609c4d6b582f5'
'8b01fb4efe58146279858a754d90b49e5a38c9a0b36a1f84cbb7d12f92b84c28' '8b01fb4efe58146279858a754d90b49e5a38c9a0b36a1f84cbb7d12f92b84c28'
'028a748a5c275de9b8f776f97909f999a8583a4b77fd1cd600b4fc5c0c3e91e9' '028a748a5c275de9b8f776f97909f999a8583a4b77fd1cd600b4fc5c0c3e91e9'
'9db0f01517c52e3236ff52e8a664840542a19144a54923ae6aabea3dcfa92c52' '4660344789c45c9b9e52cb6d86f7cb6edb297b39320d04f6947e5216d6e5f64c'
'df4be49770d508b772f98eda9fc5f37fa71d4c0459437e12f7f3db5892aa1611' '9f0d843fcda221b97386f8686a00918a5e165e65e9eb34df19ba6bc11ec91eee'
'4660344789c45c9b9e52cb6d86f7cb6edb297b39320d04f6947e5216d6e5f64c') '48e83c69c33d5b0882982e71c1a3c55a093d2c0416374db6159a87fd4b836ece'
'c5b6a12756eb50ecf9bf0763b9ab3e6822fe6365083b73595ca8c593c963145b')
# Google API keys (see http://www.chromium.org/developers/how-tos/api-keys) # Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
# Note: These are for Arch Linux use ONLY. For your own distribution, please # Note: These are for Arch Linux use ONLY. For your own distribution, please
@ -74,18 +77,19 @@ prepare() {
sed "s/@WIDEVINE_VERSION@/Pinkie Pie/" ../chromium-widevine.patch | sed "s/@WIDEVINE_VERSION@/Pinkie Pie/" ../chromium-widevine.patch |
patch -Np1 patch -Np1
# Fix WebRTC for ARM # Fix building with system ffmpeg
patch -Np0 -i "$srcdir/arm-webrtc-fix.patch" patch -Np1 -i ../0001-system-ffmpeg-fixes.patch
# Fix icu build on ARM # Upstream AArch64 fixes
patch -Np0 -i ../chromium-arm-r0.patch patch -Np1 -i ../0002-sandbox-arm64-align-stack-16-bytes.patch
patch -Np1 -i ../0003-Linux-Sandbox-whitelist-arm64-syscalls.patch
# Remove bundled ICU; its header files appear to get picked up instead of # Remove bundled ICU; its header files appear to get picked up instead of
# the system ones, leading to errors during the final link stage. # the system ones, leading to errors during the final link stage.
# https://groups.google.com/a/chromium.org/d/topic/chromium-packagers/BNGvJc08B6Q # https://groups.google.com/a/chromium.org/d/topic/chromium-packagers/BNGvJc08B6Q
find third_party/icu -type f \! -regex '.*\.\(gyp\|gypi\|isolate\)' -delete find third_party/icu -type f \! -regex '.*\.\(gyp\|gypi\|isolate\)' -delete
MAKEFLAGS=-j4 [[ $CARCH == "armv7h" ]] && MAKEFLAGS=-j4
# Use Python 2 # Use Python 2
find . -name '*.py' -exec sed -i -r 's|/usr/bin/python$|&2|g' {} + find . -name '*.py' -exec sed -i -r 's|/usr/bin/python$|&2|g' {} +
@ -135,7 +139,7 @@ build() {
-Duse_gnome_keyring=0 -Duse_gnome_keyring=0
-Duse_system_bzip2=1 -Duse_system_bzip2=1
-Duse_system_flac=1 -Duse_system_flac=1
-Duse_system_ffmpeg=0 -Duse_system_ffmpeg=1
-Duse_system_harfbuzz=1 -Duse_system_harfbuzz=1
-Duse_system_icu=1 -Duse_system_icu=1
-Duse_system_libevent=1 -Duse_system_libevent=1
@ -156,16 +160,23 @@ build() {
-Ddisable_fatal_linker_warnings=1 -Ddisable_fatal_linker_warnings=1
-Ddisable_glibc=1 -Ddisable_glibc=1
-Ddisable_sse2=1 -Ddisable_sse2=1
-Dtarget_arch=arm
-Darm_neon=1
-Ddisable_nacl=1 -Ddisable_nacl=1
-Ddisable_pnacl=1 -Ddisable_pnacl=1
-Dsysroot=)
[[ $CARCH == "armv7h" ]] && _chromium_conf+=(
-Dtarget_arch=arm
-Darm_neon=1
-Dv8_use_arm_eabi_hardfloat=true -Dv8_use_arm_eabi_hardfloat=true
-Darm_float_abi=hard -Darm_float_abi=hard
-Dsysroot=
-Darmv7=1 -Darmv7=1
-Darm_fpu=neon) -Darm_fpu=neon)
[[ $CARCH == "aarch64" ]] && _chromium_conf+=(
-Dtarget_arch=arm64
-Darm_neon=0
-Duse_allocator=none)
# Re-configure bundled ffmpeg. # Re-configure bundled ffmpeg.
#pushd third_party/ffmpeg > /dev/null || exit 1 #pushd third_party/ffmpeg > /dev/null || exit 1
#python2 chromium/scripts/build_ffmpeg.py linux arm --config-only || exit 1 #python2 chromium/scripts/build_ffmpeg.py linux arm --config-only || exit 1

50
extra/chromium/arm-webrtc-fix.patch
View file

@ -1,50 +0,0 @@
--- third_party/webrtc/system_wrappers/source/cpu_features.cc.orig 2014-01-15 18:38:50.331954791 -0700
+++ third_party/webrtc/system_wrappers/source/cpu_features.cc 2014-01-15 18:38:37.902004379 -0700
@@ -18,6 +18,47 @@
#include "webrtc/typedefs.h"
+#include <elf.h>
+#ifdef __arm__
+#include <fcntl.h>
+#include <unistd.h>
+#include <linux/auxvec.h>
+#include <asm/hwcap.h>
+#endif
+
+#ifdef __arm__
+uint64_t WebRtc_GetCPUFeaturesARM() {
+ static bool detected = false;
+ static uint64_t have_neon = 0;
+
+ int fd;
+ Elf32_auxv_t auxv;
+ unsigned int hwcaps;
+
+ if (!detected) {
+ int fd;
+ Elf32_auxv_t auxv;
+ unsigned int hwcaps;
+
+ fd = open("/proc/self/auxv", O_RDONLY);
+ if (fd >= 0) {
+ while (read(fd, &auxv, sizeof(Elf32_auxv_t)) == sizeof(Elf32_auxv_t)) {
+ if (auxv.a_type == AT_HWCAP) {
+ have_neon = (auxv.a_un.a_val & HWCAP_NEON) ? kCPUFeatureNEON : 0;
+ break;
+ }
+ }
+ close (fd);
+ } else {
+ have_neon = 0;
+ }
+ detected = true;
+ }
+
+ return 0 | have_neon; // others here as we need them
+}
+#endif
+
// No CPU feature is available => straight C path.
int GetCPUInfoNoASM(CPUFeature feature) {
(void)feature;

11
extra/chromium/chromium-arm-r0.patch
View file

@ -1,11 +0,0 @@
--- third_party/icu/icu.gyp.orig 2014-05-20 19:17:22.879538568 -0600
+++ third_party/icu/icu.gyp 2014-05-20 19:19:42.204032167 -0600
@@ -30,7 +30,7 @@
}],
['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
- (target_arch=="arm" or target_arch=="ia32" or \
+ (target_arch=="ia32" or \
target_arch=="mipsel")', {
'target_conditions': [
['_toolset=="host"', {

42
extra/chromium/v6-ffmpeg.patch
View file

@ -1,42 +0,0 @@
--- ./third_party/ffmpeg/chromium/scripts/build_ffmpeg.sh.orig 2013-10-18 18:18:28.032701497 -0600
+++ ./third_party/ffmpeg/chromium/scripts/build_ffmpeg.sh 2013-10-18 18:37:10.817807244 -0600
@@ -310,13 +310,12 @@
# much smaller than optimized arm builds, hence we go with the global
# CrOS settings.
add_flag_common --enable-armv6
- add_flag_common --enable-armv6t2
+ add_flag_common --disable-armv6t2
add_flag_common --enable-vfp
- add_flag_common --enable-thumb
+ add_flag_common --disable-thumb
add_flag_common --disable-neon
- add_flag_common --extra-cflags=-march=armv7-a
- add_flag_common --extra-cflags=-mtune=cortex-a8
- add_flag_common --extra-cflags=-mfpu=vfpv3-d16
+ add_flag_common --extra-cflags=-march=armv6
+ add_flag_common --extra-cflags=-mfpu=vfp
# NOTE: softfp/hardfp selected at gyp time.
add_flag_common --extra-cflags=-mfloat-abi=hard
elif [ "$TARGET_ARCH" = "arm-neon" ]; then
--- ./third_party/ffmpeg/ffmpeg.gyp.orig 2013-10-18 18:07:27.025272782 -0600
+++ ./third_party/ffmpeg/ffmpeg.gyp 2013-10-18 18:38:58.462388238 -0600
@@ -234,9 +234,7 @@
'-marm',
],
'cflags': [
- '-mthumb',
- '-march=armv7-a',
- '-mtune=cortex-a8',
+ '-march=armv6',
],
# On arm we use gcc to compile the assembly.
'sources': [
@@ -245,7 +243,7 @@
'conditions': [
['arm_neon == 0', {
'cflags': [
- '-mfpu=vfpv3-d16',
+ '-mfpu=vfp',
],
}, {
'cflags': [