man-db: fix build on Darwin (second attempt) (#347936)

, zstd

}:

let

  libiconv' = if stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.isFreeBSD then libiconvReal else libiconv;

in

stdenv.mkDerivation rec {

  pname = "man-db";

  version = "2.13.0";

  strictDeps = true;

  nativeBuildInputs = [ groff makeWrapper pkg-config zstd ];

  buildInputs = [ libpipeline db groff ] # (Yes, 'groff' is both native and build input)

    ++ lib.optional stdenv.isFreeBSD libiconvReal;

  nativeCheckInputs = [ (if stdenv.isFreeBSD then libiconvReal else libiconv) ]; # for 'iconv' binary; make very sure it matches buildinput libiconv

  buildInputs = [ libpipeline db groff libiconv' ]; # (Yes, 'groff' is both native and build input)

  nativeCheckInputs = [ libiconv' ]; # for 'iconv' binary; make very sure it matches buildinput libiconv

  patches = [

    ./systemwide-man-db-conf.patch

    # Add mandb locations for the above

    echo "MANDB_MAP	/nix/var/nix/profiles/default/share/man	/var/cache/man/nixpkgs" >> src/man_db.conf.in

  '' + lib.optionalString stdenv.hostPlatform.isDarwin ''

    # This test fails on Darwin. man-db expects libiconv to skip over the invalid character in the source data, but

    # Darwin’s libiconv returns EILSEQ without skipping it. This causes the `manconv` to go into an infinite loop

    # because it keeps trying to convert the invalid character.

    sed -i '/manconv-odd-combinations/d' src/tests/Makefile.am

  '';

  configureFlags = [