Fixes build with glibc-2.22.
Also fixes hard-to-trigger deadlock in highly threaded case, and fix
libraries dependencies.
Misc minor improvements in test programs as well.
Fixes #8446.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: gamadril.dev@gmail.com
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
#
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-RPI_USERLAND_VERSION = b864a841e5a459a66a890c22b3a34127cd226238
+RPI_USERLAND_VERSION = 8306b7c757f4b8e8d9148789eeb64c666d9244a5
RPI_USERLAND_SITE = $(call github,raspberrypi,userland,$(RPI_USERLAND_VERSION))
RPI_USERLAND_LICENSE = BSD-3c
RPI_USERLAND_LICENSE_FILES = LICENCE