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	diff --git a/configure.ac b/configure.ac
	index 56124540..88695c77 100644
	--- a/configure.ac
	+++ b/configure.ac
	@@ -1,506 +1,506 @@
	#
	# Copyright (C) 2010-2020 Red Hat, Inc. All rights reserved.
	#
	# Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
	# Federico Simoncelli <fsimon@kronosnet.org>
	#
	# This software licensed under GPL-2.0+
	#

	# -- Autoconf --
	# Process this file with autoconf to produce a configure script.
	#

	AC_PREREQ([2.63])
	AC_INIT([kronosnet],
	m4_esyscmd([build-aux/git-version-gen .tarball-version .gitarchivever]),
	[devel@lists.kronosnet.org])
	# Don't let AC_PROC_CC (invoked by AC_USE_SYSTEM_EXTENSIONS) replace
	# undefined CFLAGS with -g -O2, overriding our special OPT_CFLAGS.
	: ${CFLAGS=""}
	AC_USE_SYSTEM_EXTENSIONS
	AM_INIT_AUTOMAKE([1.13 dist-bzip2 dist-xz color-tests -Wno-portability subdir-objects])

	LT_PREREQ([2.2.6])
	# --enable-new-dtags: Use RUNPATH instead of RPATH.
	# It is necessary to have this done before libtool does linker detection.
	# See also: https://github.com/kronosnet/kronosnet/issues/107
	# --as-needed: Modern systems have builtin ceil() making -lm superfluous but
	# AC_SEARCH_LIBS can't detect this because it tests with a false prototype
	AX_CHECK_LINK_FLAG([-Wl,--enable-new-dtags],
	[AM_LDFLAGS=-Wl,--enable-new-dtags],
	[AC_MSG_ERROR(["Linker support for --enable-new-dtags is required"])])
	AX_CHECK_LINK_FLAG([-Wl,--as-needed], [AM_LDFLAGS="$AM_LDFLAGS -Wl,--as-needed"])

	AC_SUBST([AM_LDFLAGS])
	saved_LDFLAGS="$LDFLAGS"
	LDFLAGS="$AM_LDFLAGS $LDFLAGS"
	LT_INIT
	LDFLAGS="$saved_LDFLAGS"

	AC_CONFIG_MACRO_DIR([m4])
	AC_CONFIG_SRCDIR([kronosnetd/main.c])
	AC_CONFIG_HEADERS([config.h])

	AC_CANONICAL_HOST

	AC_LANG([C])

	systemddir=${prefix}/lib/systemd/system

	if test "$prefix" = "NONE"; then
	prefix="/usr"
	if test "$localstatedir" = "\${prefix}/var"; then
	localstatedir="/var"
	fi
	if test "$sysconfdir" = "\${prefix}/etc"; then
	sysconfdir="/etc"
	fi
	if test "$systemddir" = "NONE/lib/systemd/system"; then
	systemddir=/lib/systemd/system
	fi
	if test "$libdir" = "\${exec_prefix}/lib"; then
	if test -e /usr/lib64; then
	libdir="/usr/lib64"
	else
	libdir="/usr/lib"
	fi
	fi
	fi

	AC_PROG_AWK
	AC_PROG_GREP
	AC_PROG_SED
	AC_PROG_CPP
	AC_PROG_CC
	AC_PROG_CC_C99
	if test "x$ac_cv_prog_cc_c99" = "xno"; then
	AC_MSG_ERROR(["C99 support is required"])
	fi
	AC_PROG_LN_S
	AC_PROG_INSTALL
	AC_PROG_MAKE_SET
	PKG_PROG_PKG_CONFIG

	AC_CHECK_PROGS([VALGRIND_EXEC], [valgrind])
	AM_CONDITIONAL([HAS_VALGRIND], [test x$VALGRIND_EXEC != "x"])

	AC_CHECK_PROGS([COVBUILD_EXEC], [cov-build])
	AM_CONDITIONAL([HAS_COVBUILD], [test x$COVBUILD_EXEC != "x"])

	AC_CHECK_PROGS([COVANALYZE_EXEC], [cov-analyze])
	AM_CONDITIONAL([HAS_COVANALYZE], [test x$COVANALYZE_EXEC != "x"])

	AC_CHECK_PROGS([COVFORMATERRORS_EXEC], [cov-format-errors])
	AM_CONDITIONAL([HAS_COVFORMATERRORS], [test x$COVFORMATERRORS_EXEC != "x"])

	# KNET_OPTION_DEFINES(stem,type,detection code)
	# stem: enters name of option, Automake conditional and preprocessor define
	# type: compress or crypto, determines where the default comes from
	AC_DEFUN([KNET_OPTION_DEFINES],[
	AC_ARG_ENABLE([$2-$1],[AS_HELP_STRING([--disable-$2-$1],[disable libknet $1 support])],,
	[enable_$2_$1="$enable_$2_all"])
	AM_CONDITIONAL([BUILD_]m4_toupper([$2_$1]),[test "x$enable_$2_$1" = xyes])
	if test "x$enable_$2_$1" = xyes; then
	$3
	fi
	AC_DEFINE_UNQUOTED([WITH_]m4_toupper([$2_$1]), [`test "x$enable_$2_$1" != xyes; echo $?`], $1 $2 [built in])
	])

	AC_ARG_ENABLE([man],
	[AS_HELP_STRING([--disable-man],[disable man page creation])],,
	[ enable_man="yes" ])
	AM_CONDITIONAL([BUILD_MAN], [test x$enable_man = xyes])

	AC_ARG_ENABLE([libknet-sctp],
	[AS_HELP_STRING([--disable-libknet-sctp],[disable libknet SCTP support])],,
	[ enable_libknet_sctp="yes" ])
	AM_CONDITIONAL([BUILD_SCTP], [test x$enable_libknet_sctp = xyes])

	AC_ARG_ENABLE([crypto-all],
	[AS_HELP_STRING([--disable-crypto-all],[disable libknet all crypto modules support])],,
	[ enable_crypto_all="yes" ])

	KNET_OPTION_DEFINES([nss],[crypto],[PKG_CHECK_MODULES([nss], [nss])])
	KNET_OPTION_DEFINES([openssl],[crypto],[PKG_CHECK_MODULES([openssl],[libcrypto])])

	AC_ARG_ENABLE([compress-all],
	[AS_HELP_STRING([--disable-compress-all],[disable libknet all compress modules support])],,
	[ enable_compress_all="yes" ])

	KNET_OPTION_DEFINES([zstd],[compress],[PKG_CHECK_MODULES([libzstd], [libzstd])])
	KNET_OPTION_DEFINES([zlib],[compress],[PKG_CHECK_MODULES([zlib], [zlib])])
	KNET_OPTION_DEFINES([lz4],[compress],[PKG_CHECK_MODULES([liblz4], [liblz4])])
	KNET_OPTION_DEFINES([lzo2],[compress],[
	PKG_CHECK_MODULES([lzo2], [lzo2],
	[# work around broken pkg-config file in v2.10
	AC_SUBST([lzo2_CFLAGS],[`echo $lzo2_CFLAGS \| sed 's,/lzo *, ,'`])],
	[AC_CHECK_HEADERS([lzo/lzo1x.h],
	[AC_CHECK_LIB([lzo2], [lzo1x_decompress_safe],
	[AC_SUBST([lzo2_LIBS], [-llzo2])])],
	[AC_MSG_ERROR(["missing required lzo/lzo1x.h header"])])])
	])
	KNET_OPTION_DEFINES([lzma],[compress],[PKG_CHECK_MODULES([liblzma], [liblzma])])
	KNET_OPTION_DEFINES([bzip2],[compress],[
	PKG_CHECK_MODULES([bzip2], [bzip2],,
	[AC_CHECK_HEADERS([bzlib.h],
	[AC_CHECK_LIB([bz2], [BZ2_bzBuffToBuffCompress],
	[AC_SUBST([bzip2_LIBS], [-lbz2])])],
	[AC_MSG_ERROR(["missing required bzlib.h"])])])
	])

	AC_ARG_ENABLE([install-tests],
	[AS_HELP_STRING([--enable-install-tests],[install tests])],,
	[ enable_install_tests="no" ])
	AM_CONDITIONAL([INSTALL_TESTS], [test x$enable_install_tests = xyes])

	AC_ARG_ENABLE([poc],
	[AS_HELP_STRING([--enable-poc],[enable building poc code])],,
	[ enable_poc="no" ])
	AM_CONDITIONAL([BUILD_POC], [test x$enable_poc = xyes])

	AC_ARG_ENABLE([kronosnetd],
	[AS_HELP_STRING([--enable-kronosnetd],[Kronosnetd support])],,
	[ enable_kronosnetd="no" ])
	AM_CONDITIONAL([BUILD_KRONOSNETD], [test x$enable_kronosnetd = xyes])

	AC_ARG_ENABLE([runautogen],
	[AS_HELP_STRING([--enable-runautogen],[run autogen.sh])],,
	[ enable_runautogen="no" ])
	AM_CONDITIONAL([BUILD_RUNAUTOGEN], [test x$enable_runautogen = xyes])

	override_rpm_debuginfo_option="yes"
	AC_ARG_ENABLE([rpm-debuginfo],
	[AS_HELP_STRING([--enable-rpm-debuginfo],[build debuginfo packages])],,
	[ enable_rpm_debuginfo="no", override_rpm_debuginfo_option="no" ])
	AM_CONDITIONAL([BUILD_RPM_DEBUGINFO], [test x$enable_rpm_debuginfo = xyes])
	AM_CONDITIONAL([OVERRIDE_RPM_DEBUGINFO], [test x$override_rpm_debuginfo_option = xyes])

	AC_ARG_ENABLE([libnozzle],
	[AS_HELP_STRING([--enable-libnozzle],[libnozzle support])],,
	[ enable_libnozzle="yes" ])

	if test "x$enable_kronosnetd" = xyes; then
	enable_libnozzle=yes
	fi
	AM_CONDITIONAL([BUILD_LIBNOZZLE], [test x$enable_libnozzle = xyes])

	# Checks for libraries.
	AX_PTHREAD(,[AC_MSG_ERROR([POSIX threads support is required])])
	saved_LIBS="$LIBS"
	LIBS=
	AC_SEARCH_LIBS([ceil], [m], , [AC_MSG_ERROR([ceil not found])])
	AC_SUBST([m_LIBS], [$LIBS])
	LIBS=
	AC_SEARCH_LIBS([clock_gettime], [rt], , [AC_MSG_ERROR([clock_gettime not found])])
	AC_SUBST([rt_LIBS], [$LIBS])
	LIBS=
	AC_SEARCH_LIBS([dlopen], [dl dld], , [AC_MSG_ERROR([dlopen not found])])
	AC_SUBST([dl_LIBS], [$LIBS])
	LIBS="$saved_LIBS"

	# Check RTLD_DI_ORIGIN (not decalred by musl. glibc has it as an enum so cannot use ifdef)
	AC_CHECK_DECL([RTLD_DI_ORIGIN], [AC_DEFINE([HAVE_RTLD_DI_ORIGIN], 1,
	[define when RTLD_DI_ORIGIN is declared])], ,[[#include <dlfcn.h>]])

	# OS detection

	AC_MSG_CHECKING([for os in ${host_os}])
	case "$host_os" in
	linux)
	AC_DEFINE_UNQUOTED([KNET_LINUX], [1], [Compiling for Linux platform])
	AC_MSG_RESULT([Linux])
	;;
	bsd)
	AC_DEFINE_UNQUOTED([KNET_BSD], [1], [Compiling for BSD platform])
	AC_MSG_RESULT([BSD])
	;;
	*)
	AC_MSG_ERROR([Unsupported OS? hmmmm])
	;;
	esac

	# Checks for header files.
	AC_CHECK_HEADERS([sys/epoll.h])
	AC_CHECK_FUNCS([kevent])
	# if neither sys/epoll.h nor kevent are present, we should fail.

	if test "x$ac_cv_header_sys_epoll_h" = xno && test "x$ac_cv_func_kevent" = xno; then
	AC_MSG_ERROR([Both epoll and kevent unavailable on this OS])
	fi

	if test "x$ac_cv_header_sys_epoll_h" = xyes && test "x$ac_cv_func_kevent" = xyes; then
	AC_MSG_ERROR([Both epoll and kevent available on this OS, please contact the maintainers to fix the code])
	fi

	if test "x$enable_libknet_sctp" = xyes; then
	AC_CHECK_HEADERS([netinet/sctp.h],, [AC_MSG_ERROR(["missing required SCTP headers"])])
	fi

	# Checks for typedefs, structures, and compiler characteristics.
	AC_C_INLINE
	AC_TYPE_PID_T
	AC_TYPE_SIZE_T
	AC_TYPE_SSIZE_T
	AC_TYPE_UINT8_T
	AC_TYPE_UINT16_T
	AC_TYPE_UINT32_T
	AC_TYPE_UINT64_T
	AC_TYPE_INT8_T
	AC_TYPE_INT16_T
	AC_TYPE_INT32_T
	AC_TYPE_INT64_T

	PKG_CHECK_MODULES([libqb], [libqb])

	if test "x$enable_man" = "xyes"; then
	AC_ARG_VAR([DOXYGEN], [override doxygen executable])
	AC_CHECK_PROGS([DOXYGEN], [doxygen], [no])
	if test "x$DOXYGEN" = xno; then
	AC_MSG_ERROR(["Doxygen command not found"])
	fi

	AC_ARG_VAR([DOXYGEN2MAN], [override doxygen2man executable])
	if test "x$cross_compiling" = "xno"; then
	PKG_CHECK_VAR([libqb_PREFIX], [libqb], [prefix])
	AC_PATH_PROG([DOXYGEN2MAN], [doxygen2man], [no], [$libqb_PREFIX/bin$PATH_SEPARATOR$PATH])
	fi
	if test "x$DOXYGEN2MAN" = "xno"; then
	# required by doxyxml to build man pages dynamically
	# Don't let AC_PROC_CC (invoked by AX_PROG_CC_FOR_BUILD) replace
	# undefined CFLAGS_FOR_BUILD with -g -O2, overriding our special OPT_CFLAGS.
	: ${CFLAGS_FOR_BUILD=""}
	AX_PROG_CC_FOR_BUILD
	saved_PKG_CONFIG="$PKG_CONFIG"
	saved_ac_cv_path_PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
	unset PKG_CONFIG ac_cv_path_PKG_CONFIG
	AC_PATH_PROG([PKG_CONFIG], [pkg-config])
	PKG_CHECK_MODULES([libqb_BUILD], [libqb])
	PKG_CHECK_VAR([libqb_BUILD_PREFIX], [libqb], [prefix])
	AC_PATH_PROG([DOXYGEN2MAN], [doxygen2man], [no], [$libqb_BUILD_PREFIX/bin$PATH_SEPARATOR$PATH])
	if test "x$DOXYGEN2MAN" = "xno"; then
	PKG_CHECK_MODULES([libxml_BUILD], [libxml-2.0])
	DOXYGEN2MAN="\${abs_top_builddir}/man/doxyxml"
	build_doxy=yes
	fi
	PKG_CONFIG="$saved_PKG_CONFIG"
	ac_cv_path_PKG_CONFIG="$saved_ac_cv_path_PKG_CONFIG"
	fi
	AC_SUBST([DOXYGEN2MAN])
	- AM_CONDITIONAL([BUILD_DOXYXML], [test "x$build_doxy" = "xyes"])
	fi
	+AM_CONDITIONAL([BUILD_DOXYXML], [test "x$build_doxy" = "xyes"])

	# checks for libnozzle
	if test "x$enable_libnozzle" = xyes; then
	if `echo $host_os \| grep -q linux`; then
	PKG_CHECK_MODULES([libnl], [libnl-3.0])
	PKG_CHECK_MODULES([libnlroute], [libnl-route-3.0 >= 3.3], [],
	[PKG_CHECK_MODULES([libnlroute], [libnl-route-3.0 < 3.3],
	[AC_DEFINE_UNQUOTED([LIBNL3_WORKAROUND], [1], [Enable libnl < 3.3 build workaround])], [])])
	fi
	fi

	# checks for kronosnetd
	if test "x$enable_kronosnetd" = xyes; then
	AC_CHECK_HEADERS([security/pam_appl.h],
	[AC_CHECK_LIB([pam], [pam_start],
	[AC_SUBST([pam_LIBS], [-lpam])],
	[AC_MSG_ERROR([Unable to find LinuxPAM devel files])])])

	AC_CHECK_HEADERS([security/pam_misc.h],
	[AC_CHECK_LIB([pam_misc], [misc_conv],
	[AC_SUBST([pam_misc_LIBS], [-lpam_misc])],
	[AC_MSG_ERROR([Unable to find LinuxPAM MISC devel files])])])

	AC_CHECK_LIB([qb], [qb_log_thread_priority_set],
	[have_qb_log_thread_priority_set="yes"],
	[have_qb_log_thread_priority_set="no"])
	if test "x${have_qb_log_thread_priority_set}" = xyes; then
	AC_DEFINE_UNQUOTED([HAVE_QB_LOG_THREAD_PRIORITY_SET], [1], [have qb_log_thread_priority_set])
	fi
	fi

	# local options
	AC_ARG_ENABLE([debug],
	[AS_HELP_STRING([--enable-debug],[enable debug build])])

	AC_ARG_WITH([testdir],
	[AS_HELP_STRING([--with-testdir=DIR],[path to /usr/lib../kronosnet/tests/ dir where to install the test suite])],
	[ TESTDIR="$withval" ],
	[ TESTDIR="$libdir/kronosnet/tests" ])

	AC_ARG_WITH([initdefaultdir],
	[AS_HELP_STRING([--with-initdefaultdir=DIR],[path to /etc/sysconfig or /etc/default dir])],
	[ INITDEFAULTDIR="$withval" ],
	[ INITDEFAULTDIR="$sysconfdir/default" ])

	AC_ARG_WITH([initddir],
	[AS_HELP_STRING([--with-initddir=DIR],[path to init script directory])],
	[ INITDDIR="$withval" ],
	[ INITDDIR="$sysconfdir/init.d" ])

	AC_ARG_WITH([systemddir],
	[AS_HELP_STRING([--with-systemddir=DIR],[path to systemd unit files directory])],
	[ SYSTEMDDIR="$withval" ],
	[ SYSTEMDDIR="$systemddir" ])

	AC_ARG_WITH([syslogfacility],
	[AS_HELP_STRING([--with-syslogfacility=FACILITY],[default syslog facility])],
	[ SYSLOGFACILITY="$withval" ],
	[ SYSLOGFACILITY="LOG_DAEMON" ])

	AC_ARG_WITH([sysloglevel],
	[AS_HELP_STRING([--with-sysloglevel=LEVEL],[default syslog level])],
	[ SYSLOGLEVEL="$withval" ],
	[ SYSLOGLEVEL="LOG_INFO" ])

	AC_ARG_WITH([defaultadmgroup],
	[AS_HELP_STRING([--with-defaultadmgroup=GROUP],
	[define PAM group. Users part of this group will be allowed to configure
	kronosnet. Others will only receive read-only rights.])],
	[ DEFAULTADMGROUP="$withval" ],
	[ DEFAULTADMGROUP="kronosnetadm" ])

	## random vars
	LOGDIR=${localstatedir}/log/
	RUNDIR=${localstatedir}/run/
	DEFAULT_CONFIG_DIR=${sysconfdir}/kronosnet

	## do subst

	AC_SUBST([TESTDIR])
	AC_SUBST([DEFAULT_CONFIG_DIR])
	AC_SUBST([INITDEFAULTDIR])
	AC_SUBST([INITDDIR])
	AC_SUBST([SYSTEMDDIR])
	AC_SUBST([LOGDIR])
	AC_SUBST([DEFAULTADMGROUP])

	AC_DEFINE_UNQUOTED([DEFAULT_CONFIG_DIR],
	["$(eval echo ${DEFAULT_CONFIG_DIR})"],
	[Default config directory])

	AC_DEFINE_UNQUOTED([DEFAULT_CONFIG_FILE],
	["$(eval echo ${DEFAULT_CONFIG_DIR}/kronosnetd.conf)"],
	[Default config file])

	AC_DEFINE_UNQUOTED([LOGDIR],
	["$(eval echo ${LOGDIR})"],
	[Default logging directory])

	AC_DEFINE_UNQUOTED([DEFAULT_LOG_FILE],
	["$(eval echo ${LOGDIR}/kronosnetd.log)"],
	[Default log file])

	AC_DEFINE_UNQUOTED([RUNDIR],
	["$(eval echo ${RUNDIR})"],
	[Default run directory])

	AC_DEFINE_UNQUOTED([SYSLOGFACILITY],
	[$(eval echo ${SYSLOGFACILITY})],
	[Default syslog facility])

	AC_DEFINE_UNQUOTED([SYSLOGLEVEL],
	[$(eval echo ${SYSLOGLEVEL})],
	[Default syslog level])

	AC_DEFINE_UNQUOTED([DEFAULTADMGROUP],
	["$(eval echo ${DEFAULTADMGROUP})"],
	[Default admin group])

	# debug build stuff
	if test "x${enable_debug}" = xyes; then
	AC_DEFINE_UNQUOTED([DEBUG], [1], [Compiling Debugging code])
	OPT_CFLAGS="-O0"
	else
	OPT_CFLAGS="-O3"
	fi

	# gdb flags
	if test "x${GCC}" = xyes; then
	GDB_FLAGS="-ggdb3"
	else
	GDB_FLAGS="-g"
	fi

	DEFAULT_CFLAGS="-Werror -Wall -Wextra"

	# manual overrides
	# generates too much noise for stub APIs
	UNWANTED_CFLAGS="-Wno-unused-parameter"

	AC_SUBST([AM_CFLAGS],["$OPT_CFLAGS $GDB_FLAGS $DEFAULT_CFLAGS $UNWANTED_CFLAGS"])

	AX_PROG_DATE
	AS_IF([test "$ax_cv_prog_date_gnu_date:$ax_cv_prog_date_gnu_utc" = yes:yes],
	[UTC_DATE_AT="date -u -d@"],
	[AS_IF([test "x$ax_cv_prog_date_bsd_date" = xyes],
	[UTC_DATE_AT="date -u -r"],
	[AC_MSG_ERROR([date utility unable to convert epoch to UTC])])])
	AC_SUBST([UTC_DATE_AT])

	AC_ARG_VAR([SOURCE_EPOCH],[last modification date of the source])
	AC_MSG_NOTICE([trying to determine source epoch])
	AC_MSG_CHECKING([for source epoch in \$SOURCE_EPOCH])
	AS_IF([test -n "$SOURCE_EPOCH"],
	[AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no])
	AC_MSG_CHECKING([for source epoch in source_epoch file])
	AS_IF([test -e "$srcdir/source_epoch"],
	[read SOURCE_EPOCH <"$srcdir/source_epoch"
	AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no])
	AC_MSG_CHECKING([for source epoch baked in by gitattributes export-subst])
	SOURCE_EPOCH='$Format:%at$' # template for rewriting by git-archive
	AS_CASE([$SOURCE_EPOCH],
	[?Format:*], # was not rewritten
	[AC_MSG_RESULT([no])
	AC_MSG_CHECKING([for source epoch in \$SOURCE_DATE_EPOCH])
	AS_IF([test "x$SOURCE_DATE_EPOCH" != x],
	[SOURCE_EPOCH="$SOURCE_DATE_EPOCH"
	AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no])
	AC_MSG_CHECKING([whether git log can provide a source epoch])
	SOURCE_EPOCH=f${SOURCE_EPOCH#\$F} # convert into git log --pretty format
	SOURCE_EPOCH=$(cd "$srcdir" && git log -1 --pretty=${SOURCE_EPOCH%$} 2>/dev/null)
	AS_IF([test -n "$SOURCE_EPOCH"],
	[AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no, using current time and breaking reproducibility])
	SOURCE_EPOCH=$(date +%s)])])],
	[AC_MSG_RESULT([yes])]
	)])
	])
	AC_MSG_NOTICE([using source epoch $($UTC_DATE_AT$SOURCE_EPOCH +'%F %T %Z')])

	AC_CONFIG_FILES([
	Makefile
	init/Makefile
	libnozzle/Makefile
	libnozzle/libnozzle.pc
	libnozzle/tests/Makefile
	kronosnetd/Makefile
	kronosnetd/kronosnetd.logrotate
	libknet/Makefile
	libknet/libknet.pc
	libknet/tests/Makefile
	man/Makefile
	man/Doxyfile-knet
	man/Doxyfile-nozzle
	poc-code/Makefile
	poc-code/iov-hash/Makefile
	])

	if test "x$VERSION" = "xUNKNOWN"; then
	AC_MSG_ERROR([m4_text_wrap([
	configure was unable to determine the source tree's current version. This
	generally happens when using git archive (or the github download button)
	generated tarball/zip file. In order to workaround this issue, either use git
	clone https://github.com/kronosnet/kronosnet.git or use an official release
	tarball, available at https://kronosnet.org/releases/. Alternatively you
	can add a compatible version in a .tarball-version file at the top of the
	source tree, wipe your autom4te.cache dir and generated configure, and rerun
	autogen.sh.
	], [ ], [ ], [76])])
	fi

	AC_OUTPUT

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