2016-11-06 23:18:58 +01:00
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config BR2_PACKAGE_WEBRTC_AUDIO_PROCESSING_ARCH_SUPPORTS
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bool
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default y if BR2_arm || BR2_i386 || BR2_x86_64
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2012-05-20 00:28:07 +02:00
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config BR2_PACKAGE_WEBRTC_AUDIO_PROCESSING
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bool "webrtc-audio-processing"
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2016-11-06 23:18:58 +01:00
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depends on BR2_PACKAGE_WEBRTC_AUDIO_PROCESSING_ARCH_SUPPORTS
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2012-05-20 00:28:07 +02:00
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depends on BR2_INSTALL_LIBSTDCPP
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2016-07-04 00:32:49 +02:00
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depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
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webrtc-audio-processing: fix build on ARM Cortex-M
The webrtc-audio-processing configure script assumes that if the
host_cpu part of the tuple is "arm", then ARM instructions are
available. This is obviously incorrect for ARM Cortex-M platforms, which
only support the Thumb-2 instruction set.
In order to address this, we add a patch,
0001-configure.ac-fix-architecture-detection.patch, which changes how
webrtc-audio-processing detects the architecture: instead of relying on
the host_cpu part of the tuple, it relies on the built-in definitions of
the compiler.
Not only it fixes the Cortex-M detection, but it also enables ARMv7
optimizations on ARMv7-A: until now they were only enabled when the
host_cpu part of the tuple was armv7, which is never the case in
Buildroot.
However, once this issue is fixed for Cortex-M, the build nonetheless
fails later due to the usage of NPTL-only functions. So we change the
thread dependency to a NPTL dependency.
Fixes:
http://autobuild.buildroot.net/results/4933082cd7cc5781404c77ccef5c2b9333c5f714/
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-08-06 12:02:44 +02:00
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# pthread_condattr_setclock
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depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
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2012-05-20 00:28:07 +02:00
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help
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AudioProcessing library based on Google's implementation of
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WebRTC.
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http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/
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webrtc-audio-processing: fix build on ARM Cortex-M
The webrtc-audio-processing configure script assumes that if the
host_cpu part of the tuple is "arm", then ARM instructions are
available. This is obviously incorrect for ARM Cortex-M platforms, which
only support the Thumb-2 instruction set.
In order to address this, we add a patch,
0001-configure.ac-fix-architecture-detection.patch, which changes how
webrtc-audio-processing detects the architecture: instead of relying on
the host_cpu part of the tuple, it relies on the built-in definitions of
the compiler.
Not only it fixes the Cortex-M detection, but it also enables ARMv7
optimizations on ARMv7-A: until now they were only enabled when the
host_cpu part of the tuple was armv7, which is never the case in
Buildroot.
However, once this issue is fixed for Cortex-M, the build nonetheless
fails later due to the usage of NPTL-only functions. So we change the
thread dependency to a NPTL dependency.
Fixes:
http://autobuild.buildroot.net/results/4933082cd7cc5781404c77ccef5c2b9333c5f714/
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-08-06 12:02:44 +02:00
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comment "webrtc-audio-processing needs a toolchain w/ C++, NPTL, gcc >= 4.8"
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2016-11-06 23:18:58 +01:00
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depends on BR2_PACKAGE_WEBRTC_AUDIO_PROCESSING_ARCH_SUPPORTS
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webrtc-audio-processing: fix build on ARM Cortex-M
The webrtc-audio-processing configure script assumes that if the
host_cpu part of the tuple is "arm", then ARM instructions are
available. This is obviously incorrect for ARM Cortex-M platforms, which
only support the Thumb-2 instruction set.
In order to address this, we add a patch,
0001-configure.ac-fix-architecture-detection.patch, which changes how
webrtc-audio-processing detects the architecture: instead of relying on
the host_cpu part of the tuple, it relies on the built-in definitions of
the compiler.
Not only it fixes the Cortex-M detection, but it also enables ARMv7
optimizations on ARMv7-A: until now they were only enabled when the
host_cpu part of the tuple was armv7, which is never the case in
Buildroot.
However, once this issue is fixed for Cortex-M, the build nonetheless
fails later due to the usage of NPTL-only functions. So we change the
thread dependency to a NPTL dependency.
Fixes:
http://autobuild.buildroot.net/results/4933082cd7cc5781404c77ccef5c2b9333c5f714/
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-08-06 12:02:44 +02:00
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depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS_NPTL \
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2016-07-04 00:32:49 +02:00
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|| !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
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