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authorGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2016-08-06 12:02:44 +0200
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2016-08-09 15:48:30 +0200
commit3695759b91c548453107bfa9524149dba69f170f (patch)
treeed3bec3e8e006a370a1af6aef83c75814d099332 /package/webrtc-audio-processing/webrtc-audio-processing.mk
parentfe7babeeb0a2be4a29bfbae275e0dd8fe972c711 (diff)
downloadbuildroot-3695759b91c548453107bfa9524149dba69f170f.tar.gz
buildroot-3695759b91c548453107bfa9524149dba69f170f.tar.bz2
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>
Diffstat (limited to 'package/webrtc-audio-processing/webrtc-audio-processing.mk')
-rw-r--r--package/webrtc-audio-processing/webrtc-audio-processing.mk2
1 files changed, 2 insertions, 0 deletions
diff --git a/package/webrtc-audio-processing/webrtc-audio-processing.mk b/package/webrtc-audio-processing/webrtc-audio-processing.mk
index 587f1aa899..5a5d1ce29b 100644
--- a/package/webrtc-audio-processing/webrtc-audio-processing.mk
+++ b/package/webrtc-audio-processing/webrtc-audio-processing.mk
@@ -10,6 +10,8 @@ WEBRTC_AUDIO_PROCESSING_SITE = http://freedesktop.org/software/pulseaudio/webrtc
WEBRTC_AUDIO_PROCESSING_INSTALL_STAGING = YES
WEBRTC_AUDIO_PROCESSING_LICENSE = BSD-3c
WEBRTC_AUDIO_PROCESSING_LICENSE_FILES = COPYING
+# 0001-configure.ac-fix-architecture-detection.patch
+WEBRTC_AUDIO_PROCESSING_AUTORECONF = YES
ifeq ($(BR2_SOFT_FLOAT),y)
WEBRTC_AUDIO_PROCESSING_CONF_OPTS += --with-ns-mode=fixed