[Buildroot] [PATCH 6/7 v4] linux: kconfig needs the toolchain
Yann E. MORIN
yann.morin.1998 at free.fr
Fri Aug 17 16:06:52 UTC 2018
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 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Cc: Arnout Vandecappelle <arnout at mind.be>
Cc: Jan Kundrát <jan.kundrat at cesnet.cz>
Tested-by: Jan Kundrát <jan.kundrat at cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat at cesnet.cz>
---
Changes v1 -> v2:
- take advantage of the kconfig-package infra (Thomas)
---
linux/linux.mk | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/linux/linux.mk b/linux/linux.mk
index d6b0853518..675e7906a8 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -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
--
2.14.1
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