{stdenv, fetchurl, unicodeSupport ? false, cplusplusSupport ? true}: stdenv.mkDerivation { name = "pcre-8.02"; src = fetchurl { url = mirror://sourceforge/pcre/pcre-8.02.tar.bz2; sha256 = "1gafmkmkbpdqjbdl85q2z5774gw4gfqjf238icz7gqf3v4v90xd4"; }; configureFlags = '' ${if unicodeSupport then "--enable-unicode-properties" else ""} ${if !cplusplusSupport then "--disable-cpp" else ""} ''; meta = { homepage = http://www.pcre.org/; description = "A library for Perl Compatible Regular Expressions"; }; }