diff -up cups-2.3.0/cups-config.in.multilib cups-2.3.0/cups-config.in

--- cups-2.3.0/cups-config.in.multilib	2019-10-07 12:10:09.508859587 +0200

+++ cups-2.3.0/cups-config.in	2019-10-07 12:11:56.614025934 +0200

@@ -17,7 +17,9 @@ prefix=@prefix@

 exec_prefix=@exec_prefix@

 bindir=@bindir@

 includedir=@includedir@

-libdir=@libdir@

+# Fetch libdir from gnutls's pkg-config script.  This is a bit

+# of a cheat, but the cups-devel package requires gnutls-devel anyway.

+libdir=`pkg-config --variable=libdir gnutls`

 datarootdir=@datadir@

 datadir=@datadir@

 sysconfdir=@sysconfdir@