[Buildroot] ARM cross compiler path error "no such file or directory"

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Hello,

On Thu, 6 Jul 2017 23:50:39 +0200, Arnout Vandecappelle wrote:

> > On Thu, 6 Jul 2017 15:34:27 +0100, Mark Jackson wrote:
> >   
> >> I can successfully compile "beaglebone_defconfig".
> >>
> >> $ make clean
> >> $ make beaglebone_defconfig
> >> $ make
> >>
> >> And in output/host/usr/bin, I can find all the "arm-linux-xyz" cross compiler tools (gcc, strings, strip, etc).
> >>
> >> But when I try to use these to compile my own code, I get an error as follows:-
> >>
> >> $ which arm-linux-gcc
> >> /home/mpfj/buildroot/output/host/usr/bin/arm-linux-gcc
> >> $ arm-linux-gcc
> >> /home/mpfj/buildroot/output/usr/bin/arm-linux-gcc.br_real: No such file or directory
> >>
> >> Quite correctly, "output/usr/bin" doesn't exist ... the files are in "output/host/usr/bin"
> >>
> >> arm-linux-gcc is just a symlink to toolchain-wrapper, so toolchain-wrapper seems to be pointing to the wrong directory!!
> >>
> >> I'm sure was working yesterday, but I did a "git pull" this morning, so it may be something quite recent ??  
> > 
> > We pushed some changes over the last few days that moved everything in
> > $(HOST_DIR)/usr up into $(HOST_DIR), so it is possible that there are
> > some regressions.  
> 
>  You need to rebuild the toolchain (actually the toolchain wrapper) after this
> change. And probably other things need to be rebuilt as well. To be safe, do a
> "make clean; make".

Re-read the original message from Mark: he starts by saying that he has
done "make clean; make beaglebone_defconfig; make".

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com