This bug was fixed in the package partconf - 1.50ubuntu1
--------------- partconf (1.50ubuntu1) cosmic; urgency=medium
* Include <sys/sysmacros.h> to fix FTBFS with glibc 2.28 (LP: #1794137)
-- Adam Conrad <email address hidden> Mon, 24 Sep 2018 10:59:36 -0600
This bug was fixed in the package partconf - 1.50ubuntu1
---------------
partconf (1.50ubuntu1) cosmic; urgency=medium
* Include <sys/sysmacros.h> to fix FTBFS with glibc 2.28 (LP: #1794137)
-- Adam Conrad <email address hidden> Mon, 24 Sep 2018 10:59:36 -0600