On Tue, Apr 18, 2017 at 02:00:11AM +0100, Ben Hutchings wrote: > This definition in Makefile.dtbinst: > > export dtbinst-root ?= $(obj) > > should define and export dtbinst-root when handling the root dts > directory, and do nothing in the subdirectories. However, the > variable does not reliably get exported to the environment, perhaps > because its name contains a hyphen. > > Rename the variable to dtbinst_root. Exported environment variables are usually in UPPPER CASE. And also listed in: Documentation/kbuild/kbuild.txt There are deviations from this already, so not something that is followed by all of kbuild. Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html