(package
    (name "postgresql")
    (version "18.2")
    (homepage "https://www.postgresql.org/")
    (dependencies pkg-config bison flex perl libreadline zlib)
    (src (tar
        (url "https://ftp.postgresql.org/pub/source/v18.2/postgresql-18.2.tar.gz")
        (dir "postgresql-18.2")
        (blake3 "ae352f4fecabf9ada3fe22e46f952507d6970864b6f9494d7a7e3b65bd009463")))
    (build
        (configure_make
            (configure_flags "--without-icu"))))