nixpkgs/pkgs/development/libraries/lmdb/default.nix

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{ stdenv, fetchzip }:
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let optional = stdenv.lib.optional;
in stdenv.mkDerivation rec {
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name = "lmdb-${version}";
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version = "0.9.16";
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src = fetchzip {
url = "https://github.com/LMDB/lmdb/archive/LMDB_${version}.tar.gz";
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sha256 = "1lkmngscijwiz09gdkqygdp87x55vp8gb4fh4vq7s34k4jv0327l";
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};
postUnpack = "sourceRoot=\${sourceRoot}/libraries/liblmdb";
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makeFlags = ["prefix=$(out)"]
++ optional stdenv.cc.isClang "CC=clang";
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doCheck = true;
checkPhase = "make test";
preInstall = ''
mkdir -p $out/{man/man1,bin,lib,include}
'';
meta = with stdenv.lib; {
description = "Lightning memory-mapped database";
longDescription = ''
LMDB is an ultra-fast, ultra-compact key-value embedded data store
developed by Symas for the OpenLDAP Project. It uses memory-mapped files,
so it has the read performance of a pure in-memory database while still
offering the persistence of standard disk-based databases, and is only
limited to the size of the virtual address space.
'';
homepage = http://symas.com/mdb/;
maintainers = with maintainers; [ jb55 ];
license = licenses.openldap;
platforms = platforms.all;
};
}