--- /dev/null
+# -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+#
+# @(#) configure.ac
+#
+# 2008-06-27 initial setup
+# 2008-06-29 add of BIND path checking
+# 2008-06-30 add of arg checkings
+# 2008-07-02 additional arg checkings
+# 2008-07-04 check for getopt_long() added
+# 2008-08-30 check for unsigned integer types
+# 2008-10-01 if BIND_UTIL_PATH check failed, use config_zkt.h setting as last resort
+# 2009-07-30 check for timegm() added
+#
+
+AC_PREREQ(2.59)
+
+### Package name and current version
+AC_INIT(ZKT, 0.99c, Holger Zuleger hznet.de)
+dnl AC_REVISION($Revision: 1.1 $)
+
+### Files to test to check if src dir contains the package
+AC_CONFIG_SRCDIR([dnssec-zkt.c])
+AC_CONFIG_HEADER([config.h])
+
+
+### Checks for programs.
+AC_PROG_CC
+
+### find out the path to BIND utils and version
+AC_PATH_PROG([SIGNZONE_PROG], dnssec-signzone)
+if test -z "$SIGNZONE_PROG" ; then
+# AC_MSG_ERROR([*** 'BIND dnssec-signzone dnssec-keygen' missing, please install or fix your \$PATH ***])
+ AC_MSG_WARN([*** 'BIND dnssec-signzone' missing, use default BIND_UTIL_PATH and BIND_VERSION setting out of config_zkt.h ***])
+else
+ bind_util_path=`dirname "$SIGNZONE_PROG"`
+ # define BIND_UTIL_PATH in config.h.in
+ AC_DEFINE_UNQUOTED(BIND_UTIL_PATH, "$bind_util_path/", Path to BIND utilities)
+ # define BIND_VERSION in config.h.in
+ bind_version=`$SIGNZONE_PROG 2>&1 | grep "Version:" | tr -cd "0-9" | sed "s/^\(...\).*/\1/"`
+ AC_DEFINE_UNQUOTED(BIND_VERSION, $bind_version, BIND version as integer number without dots)
+fi
+
+AC_CHECK_TYPE(uint, unsigned int)
+AC_CHECK_TYPE(ulong, unsigned long)
+AC_CHECK_TYPE(ushort, unsigned short)
+AC_CHECK_TYPE(uchar, unsigned char)
+
+### define configure arguments
+AC_ARG_ENABLE([printtimezone], AC_HELP_STRING( [--enable-print-timezone], [print out timezone]), [printtimezone=$enableval])
+printtimezone=0
+test "$printtimezone" = yes && printtimezone=1
+AC_DEFINE_UNQUOTED(PRINT_TIMEZONE, $printtimezone, print out timezone)
+
+AC_ARG_ENABLE([printyear], AC_HELP_STRING( [--enable-print-age], [print age of year]), [printyear=$enableval])
+printyear=0
+test "$printyear" = yes && printyear=1
+AC_DEFINE_UNQUOTED(PRINT_AGE_OF_YEAR, $printyear, print age of year)
+
+AC_ARG_ENABLE([logprogname], AC_HELP_STRING( [--enable-log-progname], [log with progname]), [logprogname=$enableval])
+logprogname=0
+test "$logprogname" = yes && logprogname=1
+AC_DEFINE_UNQUOTED(LOG_WITH_PROGNAME, $logprogname, log with progname)
+
+AC_ARG_ENABLE([logtimestamp], AC_HELP_STRING( [--disable-log-timestamp], [do not log with timestamp]), [logtimestamp=$enableval])
+logtimestamp=1
+test "$logtimestamp" = no && logtimestamp=0
+AC_DEFINE_UNQUOTED(LOG_WITH_TIMESTAMP, $logtimestamp, log with timestamp)
+
+AC_ARG_ENABLE([loglevel], AC_HELP_STRING( [--disable-log-level], [do not log with level]), [loglevel=$enableval])
+loglevel=1
+test "$loglevel" = no && loglevel=0
+AC_DEFINE_UNQUOTED(LOG_WITH_LEVEL, $loglevel, log with level)
+
+AC_ARG_ENABLE([ttl_in_keyfile], AC_HELP_STRING( [--disable-ttl-in-keyfiles], [do not allow TTL values in keyfiles]), [ttl_in_keyfile=$enableval])
+ttl_in_keyfile=1
+test "$ttl_in_keyfile" = no && ttl_in_keyfile=0
+AC_DEFINE_UNQUOTED(TTL_IN_KEYFILE_ALLOWED, $ttl_in_keyfile, TTL in keyfiles allowed)
+
+configpath="/var/named"
+AC_ARG_ENABLE([configpath],
+ AC_HELP_STRING( [--enable-configpath=PATH], [set path of config file (defaults to /var/named)]),
+ [configpath=$enableval])
+case "$configpath" in
+yes)
+ configpath="/var/named"
+ ;;
+no)
+ configpath=""
+ ;;
+*)
+ ;;
+esac
+AC_DEFINE_UNQUOTED(CONFIG_PATH, "$configpath/", [set path of config file (defaults to /var/named)])
+
+usetree=1
+t="T"
+AC_ARG_ENABLE([tree],
+ AC_HELP_STRING( [--disable-tree], [use single linked list instead of binary tree data structure for dnssec-zkt]),
+ [usetree=$enableval])
+if test "$usetree" = no
+then
+ usetree=0
+ t=""
+fi
+AC_DEFINE_UNQUOTED(USE_TREE, $usetree, Use TREE data structure for dnssec-zkt)
+
+AC_DEFINE_UNQUOTED(ZKT_VERSION, "v$t$PACKAGE_VERSION (c) Feb 2005 - Aug 2009 Holger Zuleger hznet.de", ZKT version string)
+
+### Checks for libraries.
+
+
+### Checks for header files.
+AC_HEADER_DIRENT
+AC_HEADER_STDC
+AC_CHECK_HEADERS([fcntl.h netdb.h stdlib.h getopt.h string.h strings.h sys/socket.h sys/time.h sys/types.h syslog.h unistd.h utime.h])
+
+
+### Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+AC_STRUCT_TM
+AC_TYPE_UID_T
+
+
+### Checks for library functions.
+AC_FUNC_CLOSEDIR_VOID
+AC_FUNC_ERROR_AT_LINE
+AC_FUNC_MALLOC
+AC_FUNC_MKTIME
+AC_FUNC_STAT
+AC_FUNC_STRFTIME
+AC_FUNC_UTIME_NULL
+AC_FUNC_VPRINTF
+# 2008-07-04 getopt_long added
+# 2009-07-30 timegm added
+AC_CHECK_FUNCS([getopt_long gettimeofday memset putenv socket strcasecmp strchr strdup strerror strncasecmp strrchr tzset utime getuid timegm])
+
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT