Add Lumi CCE17 (17.0.1 with rocm 6.0.3) toolchain and env file

arch/eurohpc/lumi/cray-gpu/17.0.1/env.sh

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+# (C) Copyright 1988- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
+
+# Source me to get the correct configure/build/run environment
+
+# Store tracing and disable (module is *way* too verbose)
+{ tracing_=${-//[^x]/}; set +x; } 2>/dev/null
+
+module_load() {
+  echo "+ module load $1"
+  module load $1
+}
+module_unload() {
+  echo "+ module unload $1"
+  module unload $1
+}
+
+# Unload to be certain
+module reset
+
+# Load modules
+module_load LUMI/24.03
+module_load partition/G
+module_load PrgEnv-cray/8.5.0
+module_load cray-mpich/8.1.29
+module_load craype-network-ofi
+module_load rocm/6.0.3
+module_load buildtools/24.03
+module_load cray-python/3.10.10
+module_load craype-x86-trento
+module_load craype-accel-amd-gfx90a
+
+### Handling of "magic" cray modules
+# 1) Load the cray modules
+module_load cray-hdf5/1.12.2.11
+# 2) Store variables to locate the packages
+_HDF5_ROOT=${CRAY_HDF5_PREFIX}
+# 3) Unload the cray modules in reverse order, removing all the magic
+module_unload cray-hdf5
+# 4) Define variables that CMake introspects
+export HDF5_ROOT=${_HDF5_ROOT}
+
+# Export environment variable3s
+export MPI_HOME=${MPICH_DIR}
+export CC=cc
+export CXX=CC
+export FC=ftn
+export HIPCXX=$(hipconfig --hipclangpath)/clang++
+
+module list
+
+set -x
+
+# Restore tracing to stored setting
+{ if [[ -n "$tracing_" ]]; then set -x; else set +x; fi } 2>/dev/null
+
+export ECBUILD_TOOLCHAIN="./toolchain.cmake"

arch/eurohpc/lumi/cray-gpu/17.0.1/toolchain.cmake

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+# (C) Copyright 1988- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
+
+####################################################################
+# COMPILER
+####################################################################
+
+set( ECBUILD_FIND_MPI OFF )
+set( ENABLE_USE_STMT_FUNC ON CACHE STRING "" )
+
+####################################################################
+# OpenMP FLAGS
+####################################################################
+
+set( OpenMP_C_FLAGS           "-fopenmp" CACHE STRING "" )
+set( OpenMP_CXX_FLAGS         "-fopenmp" CACHE STRING "" )
+set( OpenMP_Fortran_FLAGS     "-homp -hlist=aimd" CACHE STRING "" )
+set( OpenMP_C_LIB_NAMES       "craymp" CACHE STRING "" )
+set( OpenMP_CXX_LIB_NAMES     "craymp" CACHE STRING "" )
+set( OpenMP_Fortran_LIB_NAMES "craymp" CACHE STRING "" )
+set( OpenMP_craymp_LIBRARY    "/opt/cray/pe/cce/17.0.1/cce/x86_64/lib/libcraymp.so" CACHE STRING "" )
+
+####################################################################
+# OpenACC FLAGS
+####################################################################
+
+set( OpenACC_C_FLAGS "-hacc" CACHE STRING "" )
+set( OpenACC_CXX_FLAGS "-hacc" CACHE STRING "" )
+set( OpenACC_Fortran_FLAGS "-hacc" CACHE STRING "" )
+
+####################################################################
+# Compiler FLAGS
+####################################################################
+
+# General Flags (add to default)
+set(ECBUILD_Fortran_FLAGS "-hcontiguous")
+set(ECBUILD_Fortran_FLAGS "${ECBUILD_Fortran_FLAGS} -hbyteswapio")
+set(ECBUILD_Fortran_FLAGS "${ECBUILD_Fortran_FLAGS} -Wl, --as-needed")
+
+set(ECBUILD_Fortran_FLAGS_BIT "-O3 -hfp1 -hscalar3 -hvector3 -G2 -haggress -DNDEBUG")
+
+if(NOT DEFINED CMAKE_HIP_ARCHITECTURES)
+  set(CMAKE_HIP_ARCHITECTURES gfx90a)
+endif()
+
+# select OpenMP pragma to be used
+set( HAVE_OMP_TARGET_LOOP_CONSTRUCT_BIND_PARALLEL OFF CACHE BOOL "" )