[Buildroot] [PATCH] Makefile: revert BUILD_DIR export

[Peter Korsgaard]

>>>>> "Gustavo" == Gustavo Zacarias <gustavo at zacarias.com.ar> writes:

 > Revert commit feb0877015cc0c644129e69276b3000c83742750
 > U-Boot uses $(BUILD_DIR) and causes issues, other packages might as
 > well. Fixes:
 > http://autobuild.buildroot.net/results/1f6/1f65289d5c284caa82a4e9137613f792797ee08a/
 > http://autobuild.buildroot.net/results/6a5/6a5f77483e908dc96d08824cf9113402431bace7/

 > It should probably be named somewhat more uniquely.

Committed, thanks.

-- 
Bye, Peter Korsgaard