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linux: kconfig needs the toolchain

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Starting with linux-4.18, the kconfig from the kernel can call
to the compiler to test its capabilities; see:

    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/Kconfig.include

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Tested-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Yann E. MORIN 2018-08-17 18:06:52 +02:00 committed by Thomas Petazzoni
parent 43ac3c8432
commit 3fc990a798
1 changed files with 5 additions and 0 deletions
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5
linux/linux.mk
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@ -71,6 +71,11 @@ LINUX_KCONFIG_DEPENDENCIES = \
$(BR2_BISON_HOST_DEPENDENCY) \
$(BR2_FLEX_HOST_DEPENDENCY)
# Starting with 4.18, the kconfig in the kernel calls the
# cross-compiler to check its capabilities. So we need the
# toolchain before we can call the configurators.
LINUX_KCONFIG_DEPENDENCIES += toolchain
# host tools needed for kernel compression
ifeq ($(BR2_LINUX_KERNEL_LZ4),y)
LINUX_DEPENDENCIES += host-lz4