mailutils: fix build break

{ fetchurl, stdenv, gettext, gdbm, libtool, pam, readline

, ncurses, gnutls, mysql, guile, texinfo, gnum4, dejagnu, sendmailPath ? "/var/setuid-wrappers/sendmail" }:

/* TODO: Add GNU SASL, GNU GSSAPI, and FreeBidi.  */

, ncurses, gnutls, sasl, fribidi, gss , mysql, guile, texinfo,

  gnum4, dejagnu, nettools }:

stdenv.mkDerivation rec {

  name = "mailutils-2.2";

    sha256 = "0szbqa12zqzldqyw97lxqax3ja2adis83i7brdfsxmrfw68iaf65";

  };

  patches = [ ./path-to-cat.patch ./no-gets.patch ];

  patches = [ ./path-to-cat.patch ./no-gets.patch ./scm_c_string.patch ];

  configureFlags = "--with-path-sendmail=${sendmailPath}";

  configureFlags = [

    "--with-gsasl"

    "--with-gssapi=${gss}"

  ];

  buildInputs =

   [ gettext gdbm libtool pam readline ncurses

     gnutls mysql.lib guile texinfo gnum4 ]

     gnutls mysql.lib guile texinfo gnum4 sasl fribidi gss nettools ]

   ++ stdenv.lib.optional doCheck dejagnu;

  # Tests fail since gcc 4.8

  doCheck = false;

  doCheck = true;

  meta = with stdenv.lib; {

    description = "Rich and powerful protocol-independent mail framework";

      gpl3Plus /* tools */

    ];

    maintainers = [ ];

    maintainers = with maintainers; [ vrthra ];

    homepage = http://www.gnu.org/software/mailutils/;

See https://lists.gnu.org/archive/html/bug-mailutils/2010-10/msg00005.html

diff -u mailutils-2.2/libmu_scm/mu_message.c mailutils-2.2.new/libmu_scm/mu_message.c

--- mailutils-2.2/libmu_scm/mu_message.c	2010-04-18 10:29:07.000000000 -0700

+++ mailutils-2.2.new/libmu_scm/mu_message.c	2016-07-03 21:18:53.746185547 -0700

@@ -510,8 +510,8 @@

     {

       SCM car = SCM_CAR (lst);

       if (scm_is_string (car)

 	  && mu_c_strncasecmp (scm_i_string_chars (car), name,

-			       scm_i_string_length (car)) == 0)

+			       scm_c_string_length (car)) == 0)

 	return 1;

     }

   return 0;

  mailpile = callPackage ../applications/networking/mailreaders/mailpile { };

  mailutils = callPackage ../tools/networking/mailutils {

    guile = guile_1_8;

    sasl = gsasl;

  };

  email = callPackage ../tools/networking/email { };