+ find_file(COUNTRY_GRID_FILE country_osm_grid.sql.gz
+ PATHS ${PROJECT_SOURCE_DIR}/data
+ NO_DEFAULT_PATH
+ DOC "Location of the country grid file."
+ )
+
+ if (NOT COUNTRY_GRID_FILE)
+ message(FATAL_ERROR "\nYou need to download the country_osm_grid first:\n"
+ " wget -O ${PROJECT_SOURCE_DIR}/data/country_osm_grid.sql.gz https://www.nominatim.org/data/country_grid.sql.gz")
+ endif()
+