This ticket bundles together #27258, #27259, and #27265 in such a way that the configure tarball is updated to contain the configure changes from each of those tickets.

Once all three have been merged (or at the same time) this ticket can also be merged to bump the configure version.

Updated configure:
http://users.ox.ac.uk/~coml0531/sage/configure-321.tar.gz

CC: @dimpase

Component: build: configure

Keywords: spkg-configure mpfr mpc ntl

Author: Erik Bray

Branch/Commit: cb88c8d

Reviewer: Dima Pasechnik

Issue created by migration from https://trac.sagemath.org/ticket/27822