diff --git a/.ci/bb/mistral-dkrz/test.all.gcc-6.4.0 b/.ci/bb/levante-dkrz/test.all.gcc-11.2.0
similarity index 57%
rename from .ci/bb/mistral-dkrz/test.all.gcc-6.4.0
rename to .ci/bb/levante-dkrz/test.all.gcc-11.2.0
index 2f98abbee04a4bea6ac5f30fe443eb729b59ec3c..7b7b8a524e4a150079d63724b0577b9b22c2f2e5 100755
--- a/.ci/bb/mistral-dkrz/test.all.gcc-6.4.0
+++ b/.ci/bb/levante-dkrz/test.all.gcc-11.2.0
@@ -7,10 +7,20 @@ script_dir=$(cd "$(dirname "$0")"; pwd)
top_srcdir=$(cd "${script_dir}/../../.."; pwd)
. "${script_dir}/utils.sh"
-init_gcc640
+init_gcc1120
test -f "${top_srcdir}/configure" || "${top_srcdir}/autogen.sh"
+# The configure script does not check the 'lib64' subdirectory, therefore we
+# run it with '--with-eccodes' and the following flags. Note that fixing this
+# in the configure script might be tricky: the 'lib64' subdirectory should be
+# checked first but if it does not exist or does not contain the library, we
+# might end up linking to a library from the linker's default search path
+# (e.g. /usr/lib) instead of the one from "$with_eccodes/lib" because
+# "-L${with_eccodes}/lib64" would be ignored in that case:
+CPPFLAGS="-I${ECCODES_ROOT}/include"
+LDFLAGS="-L${ECCODES_ROOT}/lib64"
+
# We expect --enable-cf-interface and --enable-ppm-dist-array to be set to
# 'yes' automatically because of --enable-mpi. Function
# 'check_all_tests_passed' that we run at the end makes sure that the options
@@ -20,10 +30,12 @@ test -f "${top_srcdir}/configure" || "${top_srcdir}/autogen.sh"
--enable-iso-c-interface \
--enable-mpi \
--enable-option-checking=fatal \
---with-grib-api="${GRIBAPI_ROOT}" \
+--with-eccodes \
--with-netcdf="${NETCDF_ROOT}" \
CC="${MPICC}" \
+CPPFLAGS="${CPPFLAGS}" \
FC="${MPIFC}" \
+LDFLAGS="${LDFLAGS}" \
MPI_LAUNCH="${MPI_LAUNCH}" \
PKG_CONFIG_PATH="${YAXT_ROOT}/lib/pkgconfig:${PPM_ROOT}/lib/pkgconfig"
diff --git a/.ci/bb/levante-dkrz/utils.sh b/.ci/bb/levante-dkrz/utils.sh
new file mode 100644
index 0000000000000000000000000000000000000000..0113ac6f8b4a04b5a40d96a411535767dba06982
--- /dev/null
+++ b/.ci/bb/levante-dkrz/utils.sh
@@ -0,0 +1,140 @@
+#
+# Accepts a list of environment modules and loads them witch conflict
+# resolution.
+#
+switch_for_module ()
+{
+ for sfm_module in "$@"; do
+ sfm_module_full=
+ sfm_module_short=
+ case $sfm_module in
+ */*)
+ # The module is provided with the version part:
+ sfm_module_full=$sfm_module
+ sfm_module_short=`echo $sfm_module | sed 's%/[^/]*$%%'` ;;
+ *)
+ # Only the name of the module is provided, get the default version:
+ sfm_module_full=`module show $sfm_module 2>&1 | sed -n "s%^[^ \t]*/\\($sfm_module.*\\):%\\1%p"`
+ sfm_module_short=$sfm_module ;;
+ esac
+
+ # A space-separated list of modules that are already loaded:
+ sfm_loaded_full=`module -t list 2>&1 | tr '\n' ' ' | sed 's/^.*Modulefiles://' | sed 's/(default)//g'`
+
+ # Check whether the requested module if already loaded:
+ if test -n "$sfm_module_full"; then
+ case " $sfm_loaded_full " in
+ *" $sfm_module_full "*)
+ echo "module $sfm_module is already loaded"
+ continue ;;
+ esac
+ fi
+
+ # A list of modules in conflict:
+ sfm_conflicts=`module show $sfm_module 2>&1 | sed -n 's/^conflict\(.*\)/\1/p' | tr '\n\t' ' '`
+
+ # A list of loaded modules without version parts:
+ sfm_loaded_short=`echo "$sfm_loaded_full" | sed 's%\([^ ][^ ]*\)/[^ ]*%\1%g'`
+
+ # Add the short name of the module to the list of conflicts:
+ sfm_conflicts="$sfm_conflicts $sfm_module_short"
+
+ # A list of loaded modules that are in conflict with the requested module:
+ sfm_loaded_conflicts=
+ for sfm_conflict in $sfm_conflicts""; do
+ sfm_loaded_list=
+ case $sfm_conflict in
+ */*)
+ # The conflict is specified with the version part:
+ sfm_loaded_list=$sfm_loaded_full ;;
+ *)
+ # The conflict is specified without the version part:
+ sfm_loaded_list=$sfm_loaded_short ;;
+ esac
+
+ # Check that the conflicted module is loaded:
+ case " $sfm_loaded_list " in
+ *" $sfm_conflict "*)
+ # The conflict is loaded, check whether it is already added to the
+ # list:
+ case " $sfm_loaded_conflicts " in
+ *" $sfm_conflict "*) ;;
+ *)
+ # The conflict is not in the list, append:
+ sfm_loaded_conflicts="$sfm_loaded_conflicts $sfm_conflict" ;;
+ esac
+ ;;
+ esac
+ done
+
+ # Calculate the number of modules that must be unloaded to before loading
+ # the requested module:
+ sfm_loaded_conflicts_count=`echo $sfm_loaded_conflicts | wc -w`
+
+ case $sfm_loaded_conflicts_count in
+ 0)
+ # None of the conflicting modules is loaded:
+ sfm_cmd="module load $sfm_module" ;;
+ 1)
+ # There is only one module that must be unloaded, use switch command:
+ sfm_cmd="module switch $sfm_loaded_conflicts $sfm_module" ;;
+ *)
+ # There is more than one module that must be unloaded, unload all of
+ # them and then load the requested one:
+ sfm_cmd="module unload $sfm_loaded_conflicts && module load $sfm_module" ;;
+ esac
+
+ echo "$sfm_cmd"
+ eval "$sfm_cmd"
+ done
+}
+
+#
+# Initializes the environment.
+#
+init_env ()
+{
+ :
+}
+
+#
+# Sets variables for tests with GCC 11.2.0.
+#
+init_gcc1120 ()
+{
+ init_env
+ switch_for_module gcc/11.2.0-gcc-11.2.0 openmpi/4.1.2-gcc-11.2.0
+
+ CC=gcc
+ CXX=g++
+ FC=gfortran
+ MPICC=mpicc
+ MPIFC=mpif90
+ MPI_LAUNCH="$(which mpirun)"
+
+ ECCODES_ROOT='/sw/spack-levante/eccodes-2.21.0-4ywkk4'
+ NETCDF_ROOT='/sw/spack-levante/netcdf-c-4.8.1-6qheqr'
+ PPM_ROOT='/work/mh0287/m300488/libcdi-ci-sw/install/ppm-1.0.8-gcc-11.2.0'
+ YAXT_ROOT='/work/mh0287/m300488/libcdi-ci-sw/install/yaxt-0.9.3-gcc-11.2.0'
+
+ # Here we fix a never-ending story with Libtool overlinkning, absence of
+ # '*.la' files when they could help, and '-Wl,--disable/enable-new-dtags':
+ export LD_LIBRARY_PATH="${ECCODES_ROOT}/lib64:${NETCDF_ROOT}/lib:${LD_LIBRARY_PATH-}"
+}
+
+#
+# Accepts a path to a file containing the testsuite summary (either the
+# 'test-suite.log' or the standard output of the 'make check' command) and
+# checks whether all tests were run and passed.
+#
+check_all_tests_passed ()
+{
+ awk '/^# TOTAL: /{ total=$3 };
+ /^# PASS: /{ pass=$3 };
+ END {
+ if ( total == "" || total != pass ) {
+ print "ERROR: the total number of tests is not equal to the number of passed tests";
+ exit 1;
+ }
+ }' $1 >&2
+}