diff --git a/EESSI-install-software.sh b/EESSI-install-software.sh
index 8a5789c2b2..0299d5d61b 100755
--- a/EESSI-install-software.sh
+++ b/EESSI-install-software.sh
@@ -217,7 +217,7 @@ pr_diff=$(ls [0-9]*.diff | head -1)
 # for now, this just reinstalls all scripts. Note the most elegant, but works
 ${TOPDIR}/install_scripts.sh --prefix ${EESSI_PREFIX}
 
-# Install full CUDA SDK in host_injections
+# Install full CUDA SDK and cu* libraries in host_injections
 # Hardcode this for now, see if it works
 # TODO: We should make a nice yaml and loop over all CUDA versions in that yaml to figure out what to install
 # Allow skipping CUDA SDK install in e.g. CI environments
@@ -233,9 +233,12 @@ else
 fi
 
 if [ -z "${skip_cuda_install}" ] || [ ! "${skip_cuda_install}" ]; then
-    ${EESSI_PREFIX}/scripts/gpu_support/nvidia/install_cuda_host_injections.sh -c 12.1.1 --accept-cuda-eula
+    ${EESSI_PREFIX}/scripts/gpu_support/nvidia/install_cuda_and_libraries.sh \
+        -e ${EESSI_PREFIX}/scripts/gpu_support/nvidia/eessi-2023.06-cuda-and-libraries.yml \
+        -t /tmp/temp \
+        --accept-cuda-eula
 else
-    echo "Skipping installation of CUDA SDK in host_injections, since the --skip-cuda-install flag was passed OR no EasyBuild module was found"
+    echo "Skipping installation of CUDA SDK and cu* libraries in host_injections, since the --skip-cuda-install flag was passed OR no EasyBuild module was found"
 fi
 
 # Install drivers in host_injections
diff --git a/create_lmodsitepackage.py b/create_lmodsitepackage.py
index 47aa20e51e..33796e56cb 100755
--- a/create_lmodsitepackage.py
+++ b/create_lmodsitepackage.py
@@ -107,35 +107,41 @@
 end
 
 
-local function eessi_cuda_enabled_load_hook(t)
+local function eessi_cuda_and_libraries_enabled_load_hook(t)
     local frameStk  = require("FrameStk"):singleton()
     local mt        = frameStk:mt()
     local simpleName = string.match(t.modFullName, "(.-)/")
-    -- If we try to load CUDA itself, check if the full CUDA SDK was installed on the host in host_injections. 
-    -- This is required for end users to build additional CUDA software. If the full SDK isn't present, refuse
-    -- to load the CUDA module and print an informative message on how to set up GPU support for EESSI
+    local packagesList = { ["CUDA"] = true, ["cuDNN"] = true }
+    -- If we try to load any of the modules in packagesList, we check if the
+    -- full package was installed on the host in host_injections.
+    -- This is required for end users to build additional software that depends
+    -- on the package. If the full SDK isn't present, refuse
+    -- to load the module and print an informative message on how to set up GPU support for EESSI
     local refer_to_docs = "For more information on how to do this, see https://www.eessi.io/docs/gpu/.\\n"
-    if simpleName == 'CUDA' then
+    if packagesList[simpleName] then
+        -- simpleName is a module in packagesList
         -- get the full host_injections path
         local hostInjections = string.gsub(os.getenv('EESSI_SOFTWARE_PATH') or "", 'versions', 'host_injections')
-        -- build final path where the CUDA software should be installed
-        local cudaEasyBuildDir = hostInjections .. "/software/" .. t.modFullName .. "/easybuild"
-        local cudaDirExists = isDir(cudaEasyBuildDir)
-        if not cudaDirExists then
+
+        -- build final path where the software should be installed
+        local packageEasyBuildDir = hostInjections .. "/software/" .. t.modFullName .. "/easybuild"
+        local packageDirExists = isDir(packageEasyBuildDir)
+        if not packageDirExists then
             local advice = "but while the module file exists, the actual software is not entirely shipped with EESSI "
-            advice = advice .. "due to licencing. You will need to install a full copy of the CUDA SDK where EESSI "
+            advice = advice .. "due to licencing. You will need to install a full copy of the " .. simpleName .. " package where EESSI "
             advice = advice .. "can find it.\\n"
             advice = advice .. refer_to_docs
             LmodError("\\nYou requested to load ", simpleName, " ", advice)
         end
     end
-    -- when loading CUDA enabled modules check if the necessary driver libraries are accessible to the EESSI linker,
+    -- when loading CUDA (and cu*) enabled modules check if the necessary driver libraries are accessible to the EESSI linker,
     -- otherwise, refuse to load the requested module and print error message
     local haveGpu = mt:haveProperty(simpleName,"arch","gpu")
     if haveGpu then
         local arch = os.getenv("EESSI_CPU_FAMILY") or ""
-        local cudaVersionFile = "/cvmfs/software.eessi.io/host_injections/nvidia/" .. arch .. "/latest/cuda_version.txt"
-        local cudaDriverFile = "/cvmfs/software.eessi.io/host_injections/nvidia/" .. arch .. "/latest/libcuda.so"
+        local cvmfs_repo = os.getenv("EESSI_CVMFS_REPO") or ""
+        local cudaVersionFile = cvmfs_repo .. "/host_injections/nvidia/" .. arch .. "/latest/cuda_version.txt"
+        local cudaDriverFile = cvmfs_repo .. "/host_injections/nvidia/" .. arch .. "/latest/libcuda.so"
         local cudaDriverExists = isFile(cudaDriverFile)
         local singularityCudaExists = isFile("/.singularity.d/libs/libcuda.so")
         if not (cudaDriverExists or singularityCudaExists)  then
@@ -175,10 +181,10 @@
 -- Combine both functions into a single one, as we can only register one function as load hook in lmod
 -- Also: make it non-local, so it can be imported and extended by other lmodrc files if needed
 function eessi_load_hook(t)
-    -- Only apply CUDA hooks if the loaded module is in the EESSI prefix
-    -- This avoids getting an Lmod Error when trying to load a CUDA module from a local software stack
+    -- Only apply CUDA and cuDNN hooks if the loaded module is in the EESSI prefix
+    -- This avoids getting an Lmod Error when trying to load a CUDA and cuDNN module from a local software stack
     if from_eessi_prefix(t) then
-        eessi_cuda_enabled_load_hook(t)
+        eessi_cuda_and_libraries_enabled_load_hook(t)
     end
 end
 
diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml
index 46ac979719..4e043f3c48 100644
--- a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml
@@ -3,3 +3,4 @@ easyconfigs:
       options:
         from-pr: 20299
   - EESSI-extend-2023.06-easybuild.eb
+  - cuDNN-8.9.2.26-CUDA-12.1.1.eb
diff --git a/eb_hooks.py b/eb_hooks.py
index 8b0a11b0ed..d3fefe2558 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -567,6 +567,47 @@ def post_sanitycheck_hook(self, *args, **kwargs):
         POST_SANITYCHECK_HOOKS[self.name](self, *args, **kwargs)
 
 
+def replace_non_distributable_files_with_symlinks(log, install_dir, package, allowlist):
+    """
+    Replace files that cannot be distributed with symlinks into host_injections
+    """
+    extension_based = { "CUDA": False, "cuDNN": True }
+    if not package in extension_based:
+        raise EasyBuildError("Don't know how to strip non-distributable files from package %s.", package)
+
+    # iterate over all files in the package installation directory
+    for dir_path, _, files in os.walk(install_dir):
+        for filename in files:
+            full_path = os.path.join(dir_path, filename)
+            # we only really care about real files, i.e. not symlinks
+            if not os.path.islink(full_path):
+                # check if the current file name stub is part of the allowlist
+                basename =  filename.split('.')[0]
+                if extension_based[package]:
+                    if '.' in filename:
+                        extension = '.' + filename.split('.')[1]
+                if basename in allowlist:
+                    log.debug("%s is found in allowlist, so keeping it: %s", basename, full_path)
+                elif extension_based[package] and '.' in filename and extension in allowlist:
+                    log.debug("%s is found in allowlist, so keeping it: %s", extension, full_path)
+                else:
+                    if extension_based[package]:
+                        print_name = filename
+                    else:
+                        print_name = basename
+                    log.debug("%s is not found in allowlist, so replacing it with symlink: %s",
+                              print_name, full_path)
+                    # if it is not in the allowlist, delete the file and create a symlink to host_injections
+                    host_inj_path = full_path.replace('versions', 'host_injections')
+                    # make sure source and target of symlink are not the same
+                    if full_path == host_inj_path:
+                        raise EasyBuildError("Source (%s) and target (%s) are the same location, are you sure you "
+                                             "are using this hook for an EESSI installation?",
+                                             full_path, host_inj_path)
+                    remove_file(full_path)
+                    symlink(host_inj_path, full_path)
+
+
 def post_sanitycheck_cuda(self, *args, **kwargs):
     """
     Remove files from CUDA installation that we are not allowed to ship,
@@ -606,56 +647,91 @@ def post_sanitycheck_cuda(self, *args, **kwargs):
         if 'libcudart' not in allowlist:
             raise EasyBuildError("Did not find 'libcudart' in allowlist: %s" % allowlist)
 
-        # iterate over all files in the CUDA installation directory
-        for dir_path, _, files in os.walk(self.installdir):
-            for filename in files:
-                full_path = os.path.join(dir_path, filename)
-                # we only really care about real files, i.e. not symlinks
-                if not os.path.islink(full_path):
-                    # check if the current file name stub is part of the allowlist
-                    basename = filename.split('.')[0]
-                    if basename in allowlist:
-                        self.log.debug("%s is found in allowlist, so keeping it: %s", basename, full_path)
-                    else:
-                        self.log.debug("%s is not found in allowlist, so replacing it with symlink: %s",
-                                       basename, full_path)
-                        # if it is not in the allowlist, delete the file and create a symlink to host_injections
-                        host_inj_path = full_path.replace('versions', 'host_injections')
-                        # make sure source and target of symlink are not the same
-                        if full_path == host_inj_path:
-                            raise EasyBuildError("Source (%s) and target (%s) are the same location, are you sure you "
-                                                 "are using this hook for an EESSI installation?",
-                                                 full_path, host_inj_path)
-                        remove_file(full_path)
-                        symlink(host_inj_path, full_path)
+        # replace files that are not distributable with symlinks into
+        # host_injections
+        replace_non_distributable_files_with_symlinks(self.log, self.installdir, self.name, allowlist)
     else:
         raise EasyBuildError("CUDA-specific hook triggered for non-CUDA easyconfig?!")
 
 
+
+def post_sanitycheck_cudnn(self, *args, **kwargs):
+    """
+    Remove files from cuDNN installation that we are not allowed to ship,
+    and replace them with a symlink to a corresponding installation under host_injections.
+    """
+    if self.name == 'cuDNN':
+        print_msg("Replacing files in cuDNN installation that we can not ship with symlinks to host_injections...")
+
+        allowlist = ['LICENSE']
+
+        # read cuDNN LICENSE, construct allowlist based on section "2. Distribution" that specifies list of files that can be shipped
+        license_path = os.path.join(self.installdir, 'LICENSE')
+        search_string = "2. Distribution. The following portions of the SDK are distributable under the Agreement:"
+        with open(license_path) as infile:
+            for line in infile:
+                if line.strip().startswith(search_string):
+                    # remove search string, split into words, remove trailing
+                    # dots '.' and only retain words starting with a dot '.'
+                    distributable = line[len(search_string):]
+                    for word in distributable.split():
+                        if word[0] == '.':
+                            allowlist.append(word.rstrip('.'))
+
+        allowlist = sorted(set(allowlist))
+        self.log.info("Allowlist for files in cuDNN installation that can be redistributed: " + ', '.join(allowlist))
+
+        # replace files that are not distributable with symlinks into
+        # host_injections
+        replace_non_distributable_files_with_symlinks(self.log, self.installdir, self.name, allowlist)
+    else:
+        raise EasyBuildError("cuDNN-specific hook triggered for non-cuDNN easyconfig?!")
+
+
 def inject_gpu_property(ec):
     """
-    Add 'gpu' property, via modluafooter easyconfig parameter
+    Add 'gpu' property EESSI<PACKAGE>VERSION envvars and drop dependencies to
+    build dependencies, via modluafooter easyconfig parameter
     """
     ec_dict = ec.asdict()
-    # Check if CUDA is in the dependencies, if so add the 'gpu' Lmod property
-    if ('CUDA' in [dep[0] for dep in iter(ec_dict['dependencies'])]):
-        ec.log.info("Injecting gpu as Lmod arch property and envvar with CUDA version")
+    # check if CUDA, cuDNN, you-name-it is in the dependencies, if so
+    # - drop dependency to build dependency
+    # - add 'gpu' Lmod property
+    # - add envvar with package version
+    packages_list = ( "CUDA", "cuDNN" )
+    packages_version = { }
+    add_gpu_property = ''
+
+    for package in packages_list:
+        # Check if package is in the dependencies, if so drop dependency to build
+        # dependency and set variable for later adding the 'gpu' Lmod property
+        if (package in [dep[0] for dep in iter(ec_dict['dependencies'])]):
+            add_gpu_property = 'add_property("arch","gpu")'
+            for dep in iter(ec_dict['dependencies']):
+                if package in dep[0]:
+                    # make package a build dependency only (rpathing saves us from link errors)
+                    ec.log.info("Dropping dependency on %s to build dependency" % package)
+                    ec_dict['dependencies'].remove(dep)
+                    if dep not in ec_dict['builddependencies']:
+                        ec_dict['builddependencies'].append(dep)
+                    # take note of version for creating the modluafooter
+                    packages_version[package] = dep[1]
+    if add_gpu_property:
+        ec.log.info("Injecting gpu as Lmod arch property and envvars for dependencies with their version")
         key = 'modluafooter'
-        value = 'add_property("arch","gpu")'
-        cuda_version = 0
-        for dep in iter(ec_dict['dependencies']):
-            # Make CUDA a build dependency only (rpathing saves us from link errors)
-            if 'CUDA' in dep[0]:
-                cuda_version = dep[1]
-                ec_dict['dependencies'].remove(dep)
-                if dep not in ec_dict['builddependencies']:
-                    ec_dict['builddependencies'].append(dep)
-        value = '\n'.join([value, 'setenv("EESSICUDAVERSION","%s")' % cuda_version])
-        if key in ec_dict:
-            if not value in ec_dict[key]:
-                ec[key] = '\n'.join([ec_dict[key], value])
+        values = [add_gpu_property]
+        for package, version in packages_version.items():
+            envvar = "EESSI%sVERSION" % package.upper()
+            values.append('setenv("%s","%s")' % (envvar, version))
+        if not key in ec_dict:
+            ec[key] = '\n'.join(values)
         else:
-            ec[key] = value
+            new_value = ec_dict[key]
+            for value in values:
+                if not value in new_value:
+                    new_value = '\n'.join([new_value, value])
+            ec[key] = new_value
+
     return ec
 
 
@@ -709,4 +785,5 @@ def inject_gpu_property(ec):
 
 POST_SANITYCHECK_HOOKS = {
     'CUDA': post_sanitycheck_cuda,
+    'cuDNN': post_sanitycheck_cudnn,
 }
diff --git a/install_scripts.sh b/install_scripts.sh
index ab06e47997..a8a6c127ea 100755
--- a/install_scripts.sh
+++ b/install_scripts.sh
@@ -110,7 +110,10 @@ copy_files_by_list ${TOPDIR}/scripts ${INSTALL_PREFIX}/scripts "${script_files[@
 
 # Copy files for the scripts/gpu_support/nvidia directory
 nvidia_files=(
-    install_cuda_host_injections.sh link_nvidia_host_libraries.sh
+    eessi-2023.06-cuda-and-libraries.yml
+    install_cuda_and_libraries.sh
+    install_cuda_host_injections.sh
+    link_nvidia_host_libraries.sh
 )
 copy_files_by_list ${TOPDIR}/scripts/gpu_support/nvidia ${INSTALL_PREFIX}/scripts/gpu_support/nvidia "${nvidia_files[@]}"
 
diff --git a/scripts/gpu_support/nvidia/eessi-2023.06-cuda-and-libraries.yml b/scripts/gpu_support/nvidia/eessi-2023.06-cuda-and-libraries.yml
new file mode 100644
index 0000000000..e0e47bf2d8
--- /dev/null
+++ b/scripts/gpu_support/nvidia/eessi-2023.06-cuda-and-libraries.yml
@@ -0,0 +1,3 @@
+easyconfigs:
+ - CUDA-12.1.1.eb
+ - cuDNN-8.9.2.26-CUDA-12.1.1.eb
diff --git a/scripts/gpu_support/nvidia/install_cuda_and_libraries.sh b/scripts/gpu_support/nvidia/install_cuda_and_libraries.sh
new file mode 100755
index 0000000000..f04aa1aff6
--- /dev/null
+++ b/scripts/gpu_support/nvidia/install_cuda_and_libraries.sh
@@ -0,0 +1,205 @@
+#!/usr/bin/env bash
+
+# This script can be used to install CUDA and other libraries by NVIDIA under
+# the `.../host_injections` directory.
+#
+# This provides the parts of the CUDA installation and other libriaries that
+# cannot be redistributed as part of EESSI due to license limitations. While
+# GPU-based software from EESSI will _run_ without these, installation of
+# additional software that builds upon CUDA or other libraries requires that
+# these installation are present under `host_injections`.
+#
+# The `host_injections` directory is a variant symlink that by default points to
+# `/opt/eessi`, unless otherwise defined in the local CVMFS configuration (see
+# https://cvmfs.readthedocs.io/en/stable/cpt-repo.html#variant-symlinks). For the
+# installation to be successful, this directory needs to be writeable by the user
+# executing this script.
+
+# Initialise our bash functions
+TOPDIR=$(dirname $(realpath $BASH_SOURCE))
+source "$TOPDIR"/../../utils.sh
+
+# Function to display help message
+show_help() {
+    echo "Usage: $0 [OPTIONS]"
+    echo "Options:"
+    echo "  --help                           Display this help message"
+    echo "  --accept-cuda-eula               You _must_ accept the CUDA EULA to install"
+    echo "                                   CUDA, see the EULA at"
+    echo "                                   https://docs.nvidia.com/cuda/eula/index.html"
+    echo "  -e, --easystack EASYSTACKFILE    Path to easystack file that defines which"
+    echo "                                   packages shall be installed"
+    echo "  -t, --temp-dir /path/to/tmpdir   Specify a location to use for temporary"
+    echo "                                   storage during the installation of CUDA"
+    echo "                                   and/or other libraries (must have"
+    echo "                                   several GB available; depends on the number of installations)"
+}
+
+# Initialize variables
+eula_accepted=0
+EASYSTACKFILE=
+TEMP_DIR=
+
+# Parse command-line options
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --help)
+            show_help
+            exit 0
+            ;;
+        --accept-cuda-eula)
+            eula_accepted=1
+            shift 1
+            ;;
+        -e|--easystack)
+            if [ -n "$2" ]; then
+                EASYSTACKFILE="$2"
+                shift 2
+            else
+                echo "Error: Argument required for $1"
+                show_help
+                exit 1
+            fi
+            ;;
+        -t|--temp-dir)
+            if [ -n "$2" ]; then
+                TEMP_DIR="$2"
+                shift 2
+            else
+                echo "Error: Argument required for $1"
+                show_help
+                exit 1
+            fi
+            ;;
+        *)
+            show_help
+            fatal_error "Error: Unknown option: $1"
+            ;;
+    esac
+done
+
+if [[ -z "${EASYSTACKFILE}" ]]; then
+    fatal_error "Need the name/path to an easystack file. See command line options\n"
+fi
+
+# Make sure EESSI is initialised
+check_eessi_initialised
+
+# As an installation location just use $EESSI_SOFTWARE_PATH but replacing `versions` with `host_injections`
+# (CUDA is a binary installation so no need to worry too much about the EasyBuild setup)
+export EESSI_SITE_INSTALL=${EESSI_SOFTWARE_PATH/versions/host_injections}
+
+# we need a directory we can use for temporary storage
+if [[ -z "${TEMP_DIR}" ]]; then
+    tmpdir=$(mktemp -d)
+else
+    mkdir -p ${TEMP_DIR}
+    tmpdir=$(mktemp -d --tmpdir=${TEMP_DIR} cuda_n_co.XXX)
+    if [[ ! -d "$tmpdir" ]] ; then
+        fatal_error "Could not create directory ${tmpdir}"
+    fi
+fi
+echo "Created temporary directory '${tmpdir}'"
+
+# workaround for EasyBuild not being found when loading "extend" module
+module load EasyBuild/4.9.1
+
+# load EESSI-extend/2023.06-easybuild module && verify that it is loaded
+EESSI_EXTEND_MODULE="EESSI-extend/2023.06-easybuild"
+module load ${EESSI_EXTEND_MODULE}
+ret=$?
+if [ "${ret}" -ne 0 ]; then
+    fatal_error "An error occured while trying to load ${EESSI_EXTEND_MODULE}\n"
+fi
+
+# do a 'eb --dry-run-short' with the EASYSTACKFILE and determine list of packages
+# to be installed
+echo ">> Determining if packages specified in ${EASYSTACKFILE} are missing under ${EESSI_SITE_INSTALL}"
+eb_dry_run_short_out=${tmpdir}/eb_dry_run_short.out
+eb --dry-run-short --rebuild --easystack ${EASYSTACKFILE} 2>&1 | tee ${eb_dry_run_short_out}
+ret=$?
+
+# Check if CUDA shall be installed
+cuda_install_needed=0
+cat ${eb_dry_run_short_out} | grep "^ \* \[[xR]\]" | grep "module: CUDA/"
+ret=$?
+if [ "${ret}" -eq 0 ]; then
+    cuda_install_needed=1
+fi
+
+# Make sure the CUDA EULA is accepted if it shall be installed
+if [ "${cuda_install_needed}" -eq 1 ] && [ "${eula_accepted}" -ne 1 ]; then
+  show_help
+  error="\nCUDA shall be installed. However, the CUDA EULA has not been accepted\nYou _must_ accept the CUDA EULA via the appropriate command line option.\n"
+  fatal_error "${error}"
+fi
+
+# determine the number of packages to be installed (assume 5 GB + num_packages *
+# 3GB space needed)
+number_of_packages=$(cat ${eb_dry_run_short_out} | grep "^ \* \[[xR]\]" | sed -e 's/^.*module: //' | uniq | wc -l)
+echo "number of packages to be (re-)installed: '${number_of_packages}'"
+base_storage_space=$((5000000 + ${number_of_packages} * 3000000))
+
+required_space_in_tmpdir=${base_storage_space}
+# Let's see if we have sources and build locations defined if not, we use the temporary space
+if [[ -z "${EASYBUILD_BUILDPATH}" ]]; then
+  export EASYBUILD_BUILDPATH=${tmpdir}/build
+  required_space_in_tmpdir=$((required_space_in_tmpdir + ${base_storage_space}))
+fi
+if [[ -z "${EASYBUILD_SOURCEPATH}" ]]; then
+  export EASYBUILD_SOURCEPATH=${tmpdir}/sources
+  required_space_in_tmpdir=$((required_space_in_tmpdir + ${base_storage_space}))
+fi
+
+# The install is pretty fat, you need lots of space for download/unpack/install
+# (~3*${base_storage_space}*1000 Bytes),
+# need to do a space check before we proceed
+avail_space=$(df --output=avail "${EESSI_SITE_INSTALL}"/ | tail -n 1 | awk '{print $1}')
+min_disk_storage=$((3 * ${base_storage_space}))
+if (( avail_space < ${min_disk_storage} )); then
+  fatal_error "Need at least $(echo "${min_disk_storage} / 1000000" | bc) GB disk space to install CUDA and other libraries under ${EESSI_SITE_INSTALL}, exiting now..."
+fi
+avail_space=$(df --output=avail "${tmpdir}"/ | tail -n 1 | awk '{print $1}')
+if (( avail_space < required_space_in_tmpdir )); then
+  error="Need at least $(echo "${required_space_in_tmpdir} / 1000000" | bc) temporary disk space under ${tmpdir}.\n"
+  error="${error}Set the environment variable TEMP_DIR to a location with adequate space to pass this check."
+  error="${error}You can alternatively set EASYBUILD_BUILDPATH and/or EASYBUILD_SOURCEPATH"
+  error="${error}to reduce this requirement. Exiting now..."
+  fatal_error "${error}"
+fi
+
+# Brief explanation of parameters:
+#  - prefix: using $tmpdir as default base directory for several EB settings
+#  - rebuild: we need the --rebuild option, as the CUDA module may or may not be on the
+#        `MODULEPATH` yet. Even if it is, we still want to redo this installation
+#        since it will provide the symlinked targets for the parts of the CUDA
+#        and/or other installation in the `.../versions/...` prefix
+#  - installpath-modules: We install the module in our `tmpdir` since we do not need the modulefile,
+#        we only care about providing the targets for the symlinks.
+#  - ${cuda_arg}: We only set the --accept-eula-for=CUDA option if CUDA will be installed and if
+#        this script was called with the argument --accept-cuda-eula.
+#  - hooks: We don't want hooks used in this install, we need vanilla
+#        installations of CUDA and/or other libraries
+#  - easystack: Path to easystack file that defines which packages shall be
+#        installed
+cuda_arg=
+if [[ ${eula_accepted} -eq 1 ]]; then
+    cuda_arg="--accept-eula-for=CUDA"
+fi
+touch "$tmpdir"/none.py
+eb --prefix="$tmpdir" \
+   --rebuild \
+   --installpath-modules=${tmpdir} \
+   "${cuda_arg}" \
+   --hooks="$tmpdir"/none.py \
+   --easystack ${EASYSTACKFILE}
+ret=$?
+if [ $ret -ne 0 ]; then
+  eb_last_log=$(unset EB_VERBOSE; eb --last-log)
+  cp -a ${eb_last_log} .
+  fatal_error "some installation failed, please check EasyBuild logs $(basename ${eb_last_log})..."
+else
+  echo_green "all installations at ${EESSI_SITE_INSTALL}/software/... succeeded!"
+fi
+# clean up tmpdir
+rm -rf "${tmpdir}"