Jun Sun wrote:
Is this allowed? Can't find any such usage in kernel other
than the worrisome comment below:
arch/arm/Makefile:# Grr, ?= doesn't work as all the other assignment operators do. Make bug?
It worked for me when I tested the patch, at least for this simple case. Might have something to do with the make version, when was the comment written? brm@brian:~$ make -v GNU Make version 3.79.1, by Richard Stallman and Roland McGrath. /Brian
