Previous thread about essentially the same issue: From: Florian Weimer <fweimer@xxxxxxxxxx> Subject: Using @bindir@ etc. in C headers To: autoconf@xxxxxxx Date: Fri, 05 Jun 2020 12:57:48 +0200 Message-ID: <87ftb9u6dv.fsf@xxxxxxxxxxxxxxxxxxxxxxxxx> I must say the current approach is a bit painful. Thanks, Florian -- Red Hat GmbH, https://de.redhat.com/ , Registered seat: Grasbrunn, Commercial register: Amtsgericht Muenchen, HRB 153243, Managing Directors: Charles Cachera, Brian Klemm, Laurie Krebs, Michael O'Neill