FreeBSD: patch expat, kerberos, libedit, ossp-uuid, lz4, sharutils, add libelf-freebsd

pkgs/development/libraries/expat/default.nix

@@ -10,6 +10,9 @@ stdenv.mkDerivation rec {
 
   patches = [ ./CVE-2015-1283.patch ];
 
+  configureFlags = stdenv.lib.optionalString stdenv.isFreeBSD "--with-pic";
+  # NIX_CFLAGS_COMPILE = stdenv.lib.optionalString (stdenv.isFreeBSD) "-fPIC";
+
   meta = with stdenv.lib; {
     homepage = http://www.libexpat.org/;
     description = "A stream-oriented XML parser library written in C";