[LEDE-DEV] -mcpu export

[Dragan Stancevic]

On 05/13/2018 10:14 AM, Dragan Stancevic wrote:
> Morning,
> 
> trying to port a utility to openwrt and I would like to capture the
> global make file -mcpu parameter export to use as a config variable.
> 
> 
> I tried using "$(ARCH)" and "$(OPTIMIZE_FOR_CPU)" but that is only
> producing "arm" and not a more specific sub type such as "cortex-a8"
> that comes from the "-mcpu=cortex-a8" parameter.

Well I just figured it out after a lot more digging, so in case anyone
else wonders in the future. There is a variable $(CONFIG_CPU_TYPE) that
contains both CPU and FPU, to get -mcpu= paramer equivalent you can just
do this:

MYCPU:=$(firstword $(subst +, ,$(CONFIG_CPU_TYPE)))



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