how can i tell rpmbuild to *not* parallelize make during the build?

[Rick Stevens]

On 02/10/2014 12:09 PM, Robert P. J. Day issued this missive:
>
>    grrrrrr ... following the instructions here:
>
> https://fedoraproject.org/wiki/Building_a_custom_kernel
>
> on how to build a custom kernel (some of which is incorrect, more on
> that later), and builds keep failing at random places, i'm guessing
> because i have a hyperthreaded quad-core laptop, and the "make -j8" is
> simply tripping over itself in arbitrary places.
>
>    what's the easiest way to specify a single-threaded build? yes, it
> will take forever, but it will be nice to verify that that's the
> problem.
>
>    thanks.
>
> rday

Theoretically you could do

	MAKEFLAGS="-j 1" rpmbuild blah-blah

gmake looks for the environment variable "MAKEFLAGS". Most reasonable
makefiles do "MAKEFLAGS+=other-specific-flags", so it should honor it.
Keep in mind that if there are multiple "-j" variables to gmake, it will
only honor the LAST one specified. YMMV.
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