{ stdenv, fetchurl, apr, expat , bdbSupport ? false, db4 ? null , ldapSupport ? true, openldap }: assert bdbSupport -> db4 != null; stdenv.mkDerivation rec { name = "apr-util-1.3.10"; src = fetchurl { url = "mirror://apache/apr/${name}.tar.bz2"; sha256 = "1vhps080b0f9z6ibq7xqbhdrclb89min7xwvc2zzc5wf0x4w1h0s"; }; configureFlags = '' --with-apr=${apr} --with-expat=${expat} ${if bdbSupport then "--with-berkeley-db=${db4}" else ""} ${if ldapSupport then "--with-ldap" else ""} ''; buildInputs = if ldapSupport then [ openldap ] else []; passthru = { inherit bdbSupport; inherit ldapSupport; }; meta = { homepage = http://apr.apache.org/; description = "A companion library to APR, the Apache Portable Runtime"; }; }