Update CI scripts on Breeze: check building with the Debian version of Libtool.

In contrast to the vanilla version of Libtool, the Debian one avoids
overlinking.

.ci/bb/breeze-mpim/test.all.nv-21.3.0

@@ -9,7 +9,10 @@ top_srcdir=$(cd "${script_dir}/../../.."; pwd)
 . "${script_dir}/utils.sh"
 init_nv2130
 
-test -f "${top_srcdir}/configure" || ( cd "${top_srcdir}" && ./autogen.sh )
+# We want to check with the Debian version of Libtool, which is patched to
+# avoid overlinking. Therefore, we regenerate the Autotools files even if they
+# are already available:
+cd "${top_srcdir}" && ./autogen.sh
 
 "${top_srcdir}/configure" \
 --disable-maintainer-mode \

.ci/bb/breeze-mpim/utils.sh

@@ -98,9 +98,12 @@ init_env ()
   set +eu
   . /etc/profile.d/mpim.sh
   module use /data/mpi/sclab/sip/m300488/nvhpc/modulefiles
-  module use /data/mpi/sclab/sip/m300488/cdi-pio-sw/modulefiles
   set -${saved_set}
-  switch_for_module automake libtool autoconf
+  switch_for_module automake/1.16.1
+
+  # Tell the custom installation of Automake 1.16 where to look for the libtool
+  # macros:
+  export ACLOCAL_PATH="/usr/share/aclocal:${ACLOCAL_PATH-}"
 }
 
 #