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path: root/pkgs/development/libraries/gdbm/default.nix
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{ stdenv, lib, fetchurl }:

stdenv.mkDerivation rec {
  name = "gdbm-1.17";
  # FIXME: remove on update to > 1.17
  NIX_CFLAGS_COMPILE = if stdenv.cc.isClang then "-Wno-error=return-type" else null;

  src = fetchurl {
    url = "mirror://gnu/gdbm/${name}.tar.gz";
    sha256 = "0zcp2iv5dbab18859a5fvacg8lkp8k4pr9af13kfvami6lpcrn3w";
  };

  doCheck = true; # not cross;

  # Linking static stubs on cygwin requires correct ordering.
  # Consider upstreaming this.

  # Disable dbmfetch03.at test because it depends on unlink()
  # failing on a link in a chmod -w directory, which cygwin
  # apparently allows.
  postPatch = lib.optionalString stdenv.buildPlatform.isCygwin ''
      substituteInPlace tests/Makefile.in --replace \
        '_LDADD = ../src/libgdbm.la ../compat/libgdbm_compat.la' \
        '_LDADD = ../compat/libgdbm_compat.la ../src/libgdbm.la'
      substituteInPlace tests/testsuite.at --replace \
        'm4_include([dbmfetch03.at])' ""
  '';
  configureFlags = [ "--enable-libgdbm-compat" ];

  postInstall = ''
    # create symlinks for compatibility
    install -dm755 $out/include/gdbm
    (
      cd $out/include/gdbm
      ln -s ../gdbm.h gdbm.h
      ln -s ../ndbm.h ndbm.h
      ln -s ../dbm.h  dbm.h
    )
  '';

  meta = with lib; {
    description = "GNU dbm key/value database library";

    longDescription =
      '' GNU dbm (or GDBM, for short) is a library of database functions that
         use extensible hashing and work similar to the standard UNIX dbm.
         These routines are provided to a programmer needing to create and
         manipulate a hashed database.

         The basic use of GDBM is to store key/data pairs in a data file.
         Each key must be unique and each key is paired with only one data
         item.

         The library provides primitives for storing key/data pairs,
         searching and retrieving the data by its key and deleting a key
         along with its data.  It also support sequential iteration over all
         key/data pairs in a database.

         For compatibility with programs using old UNIX dbm function, the
         package also provides traditional dbm and ndbm interfaces.
      '';

    homepage = http://www.gnu.org/software/gdbm/;
    license = licenses.gpl3Plus;
    platforms = platforms.all;
    maintainers = [ maintainers.vrthra ];
  };
}