[Buildroot] using LINUX_DIR variable in BR

[Thomas Petazzoni]

Hello,

On Thu, 26 Jul 2018 22:13:10 +0530, ravi chandran wrote:

>      I am trying to include the path of the linux kernel(source located in
> output/build/linux) in one of the makefile which is located outside the
> linux directory.
> 
> KERNEL_DIR := $(LINUX_DIR).

Use the = operator and not the := operator.

See
https://ftp.gnu.org/old-gnu/Manuals/make-3.79.1/html_chapter/make_6.html#SEC59.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com