Add CI script for MPI-enabled configurations on Breeze with Clang 12.0.1.

.ci/bb/breeze-mpim/test.all.clang-12.0.1

+#!/bin/bash
+
+set -eu
+set -o pipefail
+
+script_dir=$(cd "$(dirname "$0")"; pwd)
+top_srcdir=$(cd "${script_dir}/../../.."; pwd)
+
+. "${script_dir}/utils.sh"
+init_clang1201
+
+test -f "${top_srcdir}/configure" || "${top_srcdir}/autogen.sh"
+
+"${top_srcdir}/configure" \
+--disable-maintainer-mode \
+--enable-cf-interface \
+--enable-iso-c-interface \
+--enable-mpi \
+--enable-option-checking=fatal \
+--enable-ppm-dist-array \
+--with-eccodes="${ECCODES_ROOT}" \
+--with-netcdf="${NETCDF_ROOT}" \
+CC="${MPICC}" \
+FC="${MPIFC}" \
+MPI_LAUNCH="${MPI_LAUNCH}" \
+PKG_CONFIG_PATH="${YAXT_ROOT}/lib/pkgconfig:${PPM_ROOT}/lib/pkgconfig"
+
+make -j8
+
+make -j8 check || { cat tests/test-suite.log; exit 1; }
+
+check_all_tests_passed tests/test-suite.log

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

@@ -137,6 +137,38 @@ init_nv2130 ()
   export LD_LIBRARY_PATH="${ECCODES_ROOT}/lib:${HDF5_ROOT}/lib:${LD_LIBRARY_PATH-}"
 }
 
+#
+# Sets variables for tests with Clang 12.0.1.
+#
+init_clang1201 ()
+{
+  init_env
+  switch_for_module gcc/6.3.0
+
+  export PATH="/data/mpi/sclab/sip/m300488/clang/12.0.1/bin:${PATH-}"
+  # Clang does not inject RPATHs to the standard library in use:
+  export LD_LIBRARY_PATH="/sw/stretch-x64/gcc/gcc-6.3.0/lib64:${LD_LIBRARY_PATH-}"
+
+  CC=clang
+  CXX=clang++
+  FC=gfortran
+
+  export PATH="/data/mpi/sclab/sip/m300488/libcdi-ci-sw/clang-12.0.1-sandybridge/openmpi-4.1.1-6ydagyy/bin:${PATH-}"
+  MPICC=mpicc
+  MPIFC=mpif90
+  MPI_LAUNCH="$(which mpirun) --oversubscribe"
+
+  ECCODES_ROOT='/data/mpi/sclab/sip/m300488/libcdi-ci-sw/gcc-6.3.0-sandybridge/eccodes-2.21.0-3sdngaq'
+  NETCDF_ROOT='/data/mpi/sclab/sip/m300488/libcdi-ci-sw/clang-12.0.1-sandybridge/netcdf-c-4.8.0-z6r5guk'
+  PPM_ROOT='/data/mpi/sclab/sip/m300488/libcdi-ci-sw/clang-12.0.1-sandybridge/scales-ppm-1.0.7-5mhatgx'
+  YAXT_ROOT='/data/mpi/sclab/sip/m300488/libcdi-ci-sw/clang-12.0.1-sandybridge/yaxt-0.9.2.1-cj2nf5j'
+
+  # Here we fix a never-ending story with Libtool overlinkning, absence of
+  # '*.la' files when they could help, and '-Wl,--disable/enable-new-dtags':
+  HDF5_ROOT='/data/mpi/sclab/sip/m300488/libcdi-ci-sw/clang-12.0.1-sandybridge/hdf5-1.10.7-4y54xnh'
+  export LD_LIBRARY_PATH="${ECCODES_ROOT}/lib:${HDF5_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