Re: To Tom Lane 2018-04-12 <20180412202717.GA32601@msg.df7cb.de>
> > ... or then again, maybe I do. Is it possible that your build
> > recipe involves invoking our makefiles from an outer "make" run?
> > If so, maybe you need to explicitly set MAKELEVEL=0 when invoking
> > our build, to keep it from thinking it is a sub-make. Not sure
> > about whether it'd be wise to reset MAKEFLAGS as well.
>
> I don't know about Devrim's case, but debian/rules is indeed a
> makefile. Will look closer again once I'm back from pgconf.de, thanks
> for the hint.
Fwiw, setting MAKELEVEL=0 worked. Thanks!
https://salsa.debian.org/postgresql/postgresql/blob/11/debian/rules#L147-148
Christoph