Using spack to satisfy bzip2 dependency.

templates/common/build_icon.sh

@@ -42,6 +42,11 @@ if [ ! -f "${definitions_tar_file}" ]; then
   defs_url=https://opendata.dwd.de/weather/lib/grib/${definitions_tar_file}
   wget "${defs_url}"
 
+  if [ ! $(rpm -qa | grep bzip2) ]; then
+    spack install bzip2
+    spack load bzip2
+  fi
+
   # Decompress definitions file
   tar -xf "${definitions_tar_file}"
   # Create a file containing the environment variable that needs to be set in order to use DWD's definitions: