diff --git a/lrzsz-0.12.20-automake-1.13.patch b/lrzsz-0.12.20-automake-1.13.patch
index ec031c8..5b73e7f 100644
--- a/lrzsz-0.12.20-automake-1.13.patch
+++ b/lrzsz-0.12.20-automake-1.13.patch
@@ -1,10 +1,11 @@
-diff -urN lrzsz-0.12.20/configure.in lrzsz-0.12.20-new/configure.in
---- lrzsz-0.12.20/configure.in	1998-12-30 16:50:07.000000000 +0900
-+++ lrzsz-0.12.20-new/configure.in	2013-04-26 18:53:29.020100620 +0900
+Index: lrzsz-0.12.21rc/configure.in
+===================================================================
+--- lrzsz-0.12.21rc.orig/configure.in
++++ lrzsz-0.12.21rc/configure.in
 @@ -1,7 +1,7 @@
  dnl Process this file with autoconf to produce a configure script.
  AC_INIT(src/crctab.c)
- AM_INIT_AUTOMAKE(lrzsz, 0.12.20)
+ AM_INIT_AUTOMAKE(lrzsz, 0.12.21rc)
 -AM_CONFIG_HEADER(config.h)
 +AC_CONFIG_HEADERS([config.h])
  
diff --git a/lrzsz-0.12.20.tar.gz b/lrzsz-0.12.20.tar.gz
deleted file mode 100644
index 6707b56..0000000
--- a/lrzsz-0.12.20.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c28b36b14bddb014d9e9c97c52459852f97bd405f89113f30bee45ed92728ff1
-size 280938
diff --git a/lrzsz-0.12.21rc.tar.gz b/lrzsz-0.12.21rc.tar.gz
new file mode 100644
index 0000000..04efa8e
--- /dev/null
+++ b/lrzsz-0.12.21rc.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4d845f239ddcd86735b5dbf01f3869b072ffb6f6c8aa24c346dc4a3c95453c55
+size 277069
diff --git a/lrzsz-autotools.patch b/lrzsz-autotools.patch
index 9798ae6..54ac408 100644
--- a/lrzsz-autotools.patch
+++ b/lrzsz-autotools.patch
@@ -1,7 +1,8 @@
-diff -Nru lrzsz-0.12.20.orig/acinclude.m4 lrzsz-0.12.20/acinclude.m4
---- lrzsz-0.12.20.orig/acinclude.m4	1998-12-27 23:08:59.000000000 +0100
-+++ lrzsz-0.12.20/acinclude.m4	2010-09-25 00:43:43.000000000 +0200
-@@ -13,7 +13,7 @@
+Index: lrzsz-0.12.21rc/acinclude.m4
+===================================================================
+--- lrzsz-0.12.21rc.orig/acinclude.m4
++++ lrzsz-0.12.21rc/acinclude.m4
+@@ -13,7 +13,7 @@ AC_CACHE_VAL(lrzsz_cv_decl_errno,
  lrzsz_cv_decl_errno=yes, lrzsz_cv_decl_errno=no)])
  AC_MSG_RESULT($lrzsz_cv_decl_errno)
  if test $lrzsz_cv_decl_errno = yes; then
@@ -10,7 +11,7 @@ diff -Nru lrzsz-0.12.20.orig/acinclude.m4 lrzsz-0.12.20/acinclude.m4
  fi
  ])
  
-@@ -57,7 +57,7 @@
+@@ -57,7 +57,7 @@ AC_CACHE_VAL(ac_cv_type_speed_t,
  ], ac_cv_type_speed_t=yes, ac_cv_type_speed_t=no)])dnl
  AC_MSG_RESULT($ac_cv_type_speed_t)
  if test $ac_cv_type_speed_t = no; then
@@ -19,7 +20,7 @@ diff -Nru lrzsz-0.12.20.orig/acinclude.m4 lrzsz-0.12.20/acinclude.m4
  fi
  ])
  
-@@ -69,7 +69,7 @@
+@@ -69,7 +69,7 @@ AC_DEFUN(lrzsz_HEADER_SYS_SELECT,
  #include <sys/select.h>],
  [struct tm *tp;], lrzsz_cv_header_sys_select=yes, lrzsz_cv_header_sys_select=no)])
  if test $lrzsz_cv_header_sys_select = no; then
@@ -28,10 +29,19 @@ diff -Nru lrzsz-0.12.20.orig/acinclude.m4 lrzsz-0.12.20/acinclude.m4
  fi
  ])
  
-diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
---- lrzsz-0.12.20.orig/configure.in	1998-12-30 08:50:07.000000000 +0100
-+++ lrzsz-0.12.20/configure.in	2010-09-25 00:45:10.000000000 +0200
-@@ -20,6 +20,11 @@
+@@ -90,6 +90,6 @@ if test $ac_cv_type_socklen_t = no; then
+ cat >> confdefs.h <<\EOF
+ #define socklen_t int
+ EOF
+-  AC_DEFINE([socklen_t],int)
++  AC_DEFINE([socklen_t],int, [socklen_t])
+ fi
+ ]) dnl DEFUN
+Index: lrzsz-0.12.21rc/configure.in
+===================================================================
+--- lrzsz-0.12.21rc.orig/configure.in
++++ lrzsz-0.12.21rc/configure.in
+@@ -20,6 +20,11 @@ ALL_LINGUAS="de"
  AC_SUBST(PACKAGE)
  AC_SUBST(VERSION)
  
@@ -43,7 +53,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  changequote(,)dnl
  case $VERSION in
  	[0-9]*.[0-9]*.[0-9]*) README_ALPHA="README-alpha";;
-@@ -33,25 +38,25 @@
+@@ -33,25 +38,25 @@ AC_ARG_ENABLE(timesync,
  	[if test "$enableval" = "no" ; then 
  		:
  	  else
@@ -74,7 +84,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  AC_ARG_ENABLE(syslog,
  	[--enable-syslog=FACILITY,{force,default,optional} include syslogsupport],
  	[
-@@ -62,7 +67,7 @@
+@@ -62,7 +67,7 @@ AC_ARG_ENABLE(syslog,
  	    *,*)
  			level=`echo $enableval|sed -e 's/^.*,//'`
  			fac=`echo $enableval|sed -e 's/,.*$//'`
@@ -83,7 +93,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  			;;
  		*)
  			lookup_facility=LOG_UUCP
-@@ -70,16 +75,16 @@
+@@ -70,16 +75,16 @@ AC_ARG_ENABLE(syslog,
  			;;
  		esac
  	  	if test "$level" = "force" ; then
@@ -103,7 +113,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  		lookup_facility=LOG_UUCP
  	  ])
  
-@@ -90,8 +95,8 @@
+@@ -101,8 +106,8 @@ dnl AC_PROG_INSTALL  included in AM_INIT
  dnl AC_PROG_MAKE_SET included in AM_INIT_AUTOMAKE
  AC_PROG_RANLIB
  AC_ISC_POSIX
@@ -114,7 +124,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  AM_C_PROTOTYPES
  AC_C_CONST
  AC_C_INLINE
-@@ -113,7 +118,7 @@
+@@ -124,7 +129,7 @@ if test `hostname` = tirka.ohse.de -a "$
  fi
  case "$CFLAGS" in
  *-Wstrict-prototypes*)
@@ -123,7 +133,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  	;;
  esac
  
-@@ -131,7 +136,7 @@
+@@ -142,7 +147,7 @@ AC_CHECK_HEADERS(fcntl.h limits.h sys/io
  LRZSZ_HEADERS_TERM_IO
  AC_CHECK_HEADERS(termios.h sys/termios.h termio.h sys/termio.h sgtty.h)
  AC_CHECK_HEADERS(sys/mman.h utime.h syslog.h sys/syslog.h sys/param.h)
@@ -132,16 +142,26 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  
  dnl Checks for typedefs, structures, and compiler characteristics.
  AC_TYPE_SIZE_T
-@@ -153,7 +158,7 @@
+@@ -165,7 +170,8 @@ dnl suggested by autoscan, but not reall
  dnl AC_FUNC_UTIME_NULL
  AC_FUNC_MMAP
  AC_FUNC_ALLOCA
 -AC_EGREP_HEADER([struct.*utimbuf], utime.h, AC_DEFINE(HAVE_STRUCT_UTIMBUF))
 +AC_EGREP_HEADER([struct.*utimbuf], utime.h, AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [HAVE_STRUCT_UTIMBUF]))
++
  
  AC_CHECK_FUNCS(gettimeofday settimeofday)
  AC_CHECK_FUNCS(strchr memcpy select vprintf)
-@@ -206,10 +211,10 @@
+@@ -176,7 +182,7 @@ AC_REPLACE_FUNCS(stpcpy strftime vasprin
+ AC_REPLACE_GNU_GETOPT
+ 
+ dnl for lib/error.c
+-AC_DEFINE(HAVE_STRERROR)
++AC_DEFINE(HAVE_STRERROR, 1, HAVE_STRERROR)
+ 
+ 
+ dnl special tests
+@@ -218,10 +224,10 @@ lrzsz_cv_sys_ftime_ok=yes,
  lrzsz_cv_sys_ftime_ok=no,
  lrzsz_cv_sys_ftime_ok=runtime)])
  case $lrzsz_cv_sys_ftime_ok in
@@ -154,7 +174,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  	AC_MSG_RESULT(will check at run time) ;;
  esac
  ])
-@@ -223,7 +228,7 @@
+@@ -235,7 +241,7 @@ AC_TRY_LINK([#include <time.h>],[return(
  ])
  if test $libquark_cv_var_timezone = yes ; then
  	AC_MSG_RESULT(yes)
@@ -163,7 +183,7 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  else
  	AC_MSG_RESULT(no)
  fi
-@@ -245,9 +250,9 @@
+@@ -257,9 +263,9 @@ ihave$lookup_facility
  	])
  	if test $lrzsz_cv_lookup_facility = yes ; then
  		AC_MSG_RESULT(yes)
@@ -175,30 +195,32 @@ diff -Nru lrzsz-0.12.20.orig/configure.in lrzsz-0.12.20/configure.in
  		AC_MSG_RESULT(no)
  	fi
  fi
-@@ -257,9 +262,8 @@
+@@ -269,9 +275,7 @@ AC_SUBST(CFLAGS)
  AC_SUBST(LDFLAGS)
  AC_SUBST(LIBS)
  
 -AM_GNU_GETTEXT
- 
+-
 -AC_DEFINE_UNQUOTED(LOCALEDIR,"$prefix/$DATADIRNAME")
 +AC_DEFINE_UNQUOTED(LOCALEDIR,"$prefix/$DATADIRNAME", [LOCALEDIR])
- AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl)
+ dnl AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl)
  
  AC_OUTPUT([Makefile intl/Makefile lib/Makefile testsuite/Makefile \
-diff -Nru lrzsz-0.12.20.orig/lib/Makefile.am lrzsz-0.12.20/lib/Makefile.am
---- lrzsz-0.12.20.orig/lib/Makefile.am	1998-12-27 17:25:26.000000000 +0100
-+++ lrzsz-0.12.20/lib/Makefile.am	2010-09-25 00:43:43.000000000 +0200
+Index: lrzsz-0.12.21rc/lib/Makefile.am
+===================================================================
+--- lrzsz-0.12.21rc.orig/lib/Makefile.am
++++ lrzsz-0.12.21rc/lib/Makefile.am
 @@ -1,5 +1,4 @@
  noinst_LIBRARIES=libzmodem.a
 -CFLAGS=@CFLAGS@
  AUTOMAKE_OPTIONS=ansi2knr
  
  EXTRA_DIST = alloca.c ansi2knr.1 ansi2knr.c \
-diff -Nru lrzsz-0.12.20.orig/po/Makefile.in.in lrzsz-0.12.20/po/Makefile.in.in
---- lrzsz-0.12.20.orig/po/Makefile.in.in	1998-04-26 15:22:40.000000000 +0200
-+++ lrzsz-0.12.20/po/Makefile.in.in	2010-09-25 00:43:43.000000000 +0200
-@@ -51,7 +51,7 @@
+Index: lrzsz-0.12.21rc/po/Makefile.in.in
+===================================================================
+--- lrzsz-0.12.21rc.orig/po/Makefile.in.in
++++ lrzsz-0.12.21rc/po/Makefile.in.in
+@@ -51,7 +51,7 @@ stamp-cat-id $(POFILES) $(GMOFILES) $(SO
  
  POTFILES = \
  
@@ -207,7 +229,7 @@ diff -Nru lrzsz-0.12.20.orig/po/Makefile.in.in lrzsz-0.12.20/po/Makefile.in.in
  CATOBJEXT = @CATOBJEXT@
  INSTOBJEXT = @INSTOBJEXT@
  
-@@ -118,8 +118,8 @@
+@@ -118,8 +118,8 @@ install-data-yes: all
  	for cat in $$catalogs; do \
  	  cat=`basename $$cat`; \
  	  case "$$cat" in \
@@ -218,10 +240,11 @@ diff -Nru lrzsz-0.12.20.orig/po/Makefile.in.in lrzsz-0.12.20/po/Makefile.in.in
  	  esac; \
  	  lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \
  	  dir=$$destdir/$$lang/LC_MESSAGES; \
-diff -Nru lrzsz-0.12.20.orig/src/Makefile.am lrzsz-0.12.20/src/Makefile.am
---- lrzsz-0.12.20.orig/src/Makefile.am	1998-12-28 09:38:47.000000000 +0100
-+++ lrzsz-0.12.20/src/Makefile.am	2010-09-25 00:43:43.000000000 +0200
-@@ -4,7 +4,6 @@
+Index: lrzsz-0.12.21rc/src/Makefile.am
+===================================================================
+--- lrzsz-0.12.21rc.orig/src/Makefile.am
++++ lrzsz-0.12.21rc/src/Makefile.am
+@@ -4,7 +4,6 @@ lsz_SOURCES=lsz.c timing.c zperr.c zread
  noinst_HEADERS = timing.h zglobal.h zmodem.h
  datadir = $(prefix)/@DATADIRNAME@
  localedir = $(datadir)/locale
@@ -229,7 +252,7 @@ diff -Nru lrzsz-0.12.20.orig/src/Makefile.am lrzsz-0.12.20/src/Makefile.am
  DISTCLEAN_FILES=lrzszbug
  
  LDADD = ../lib/libzmodem.a @INTLLIBS@
-@@ -14,22 +13,16 @@
+@@ -14,22 +13,16 @@ INCLUDES = -I.. -I$(srcdir) -I$(top_srcd
  #DEFS = -DLOCALEDIR=\"$(localedir)\" -DOS=\"@host_os@\" -DCPU=\"@host_cpu@\"
  DEFS = -DNFGVMIN @DEFS@ -DLOCALEDIR=\"$(localedir)\"
  
diff --git a/lrzsz-po.patch b/lrzsz-po.patch
index 866a838..203053f 100644
--- a/lrzsz-po.patch
+++ b/lrzsz-po.patch
@@ -1,11 +1,13 @@
---- po/de.po
-+++ po/de.po	2001/01/22 09:52:51	1.3
-@@ -258,7 +258,7 @@
- #: src/lsz.c:1380
+Index: po/de.po
+===================================================================
+--- po/de.po.orig
++++ po/de.po
+@@ -254,7 +254,7 @@ msgstr "Keine Bestätigung für Übertragun
+ #: src/lsz.c:1361
  #, c-format
  msgid "Xmodem sectors/kbytes sent: %3d/%2dk"
 -msgstr "Ymodem Sektoren/Kilobytes gesendet: %3d/%2dk"
 +msgstr "Xmodem Sektoren/Kilobytes gesendet: %3d/%2dk"
  
- #: src/lsz.c:1382
+ #: src/lsz.c:1363
  #, c-format
diff --git a/rzsz.changes b/rzsz.changes
index 11b5244..8cc83a5 100644
--- a/rzsz.changes
+++ b/rzsz.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Thu Apr  5 07:51:03 UTC 2018 - tchvatal@suse.com
+
+- Update to 0.12.21~rc bsc#1086416:
+  * RC candidate from 1999 containing bunch of trivial fxies that
+    most other distributions ship
+- Rebase patches:
+  * lrzsz-0.12.20-automake-1.13.patch
+  * lrzsz-autotools.patch
+  * lrzsz-po.patch
+
 -------------------------------------------------------------------
 Sun Jan 21 13:35:25 UTC 2018 - benoit.monin@gmx.fr
 
diff --git a/rzsz.spec b/rzsz.spec
index 40b75b4..8be35ed 100644
--- a/rzsz.spec
+++ b/rzsz.spec
@@ -16,14 +16,15 @@
 #
 
 
+%define realver 0.12.21rc
 Name:           rzsz
-Version:        0.12.20
+Version:        0.12.21~rc
 Release:        0
 Summary:        X-, Y-, and Z-Modem Data Transfer Protocols
-License:        GPL-2.0+
+License:        GPL-2.0-or-later
 Group:          Hardware/Modem
-Url:            http://www.ohse.de/uwe/software/lrzsz.html
-Source:         http://www.ohse.de/uwe/releases/lrzsz-%{version}.tar.gz
+URL:            http://www.ohse.de/uwe/software/lrzsz.html
+Source:         http://www.ohse.de/uwe/testing/lrzsz-%{realver}.tar.gz
 Patch1:         lrzsz-po.patch
 Patch2:         lrzsz-0.12.20-use-after-free.patch
 Patch4:         lrzsz-autotools.patch
@@ -42,7 +43,7 @@ rzsz allows you to use "sz filename" to send a file to your local
 system.
 
 %prep
-%setup -q -n lrzsz-%{version}
+%setup -q -n lrzsz-%{realver}
 %patch1
 %patch2 -p1
 %patch4 -p1
@@ -59,9 +60,9 @@ rm -f missing
 # Broken header
 rm -f acconfig.h
 
-autoreconf -fvi
 
 %build
+autoreconf -fvi
 %configure
 make %{?_smp_mflags}
 
@@ -88,7 +89,8 @@ make vcheck -j1
 
 %files -f lrzsz.lang
 %{_mandir}/man1/*
-%doc README.* ABOUT-NLS AUTHORS COMPATABILITY COPYING ChangeLog NEWS THANKS TODO
+%license COPYING
+%doc README.* ABOUT-NLS AUTHORS COMPATABILITY ChangeLog NEWS THANKS TODO
 %{_bindir}/rb
 %{_bindir}/rx
 %{_bindir}/rz