[Buildroot] [PATCH] toolchain-external: fix potential entire root filesystem removal

[Peter Korsgaard]

>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni at free-electrons.com> writes:

 > Hello,
 > On Thu, 15 Sep 2016 12:04:03 +0200, Peter Korsgaard wrote:

 >> > When such conditions are met, Buildroot will run "rm -rf /*" due to
 >> > TOOLCHAIN_EXTERNAL_INSTALL_DIR being empty.  
 >> 
 >> > This bug does not exist in 2016.05, and appeared in 2016.08 due to
 >> > commit a0aa7e0e1750f6ace2879ea8adb1425a41431b79.  
 >> 
 >> Gaah - Committed, thanks!

 > I hope you did some good review on it. The last patches touching this
 > have seen how catastrophic "apparently good looking" patches can be.

Yeah :/

I did try to take a good look at it, but I'll do some more tests before
releasing 2016.08.1

-- 
Venlig hilsen,
Peter Korsgaard