which "make" target simply builds the scripts/dtc/dtc executable?

Robert P. J. Day rpjday at crashcourse.ca
Wed Mar 18 03:47:59 EDT 2020

On Sat, 14 Mar 2020, Stefan Wahren wrote:

> Hi,
> Am 13.03.20 um 19:13 schrieb rpjday at crashcourse.ca:
> >   colleague has a kernel-compile infrastructure which builds the
> > kernel just fine, but croaks trying to compile .dts files, complaining
> > that there is no "./scripts/dtc/dtc" file.
> >
> >   ok, so that sounds like whatever it is that compiles dtc.c (and
> > friends) into dtc is being omitted. i just want to test whatever
> > make target would normally compile that, but i'm having trouble
> > figuring which make processing does that.
> >
> >   is there a top-level target that wanders into scripts/dtc, and
> > compiles that?
> for a ARM target you could try to (PowerPC or MIPS should work too)
> export ARCH=arm
> make mxs_defconfig # random arm defconfig
> make dtbs
> this should build the devicetree compiler and the devicetree sources,
> but AFAIK newer kernel versions uses the dtc from the Host system. So
> it's possible that the dtc is omitted.

  ah, i had completely missed that newer kernels use the host dtc.


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