dnl  configure.in for linux strongSwan
dnl  Copyright (C) 2006 Martin Willi
dnl  Hochschule fuer Technik Rapperswil
dnl 
dnl  This program is free software; you can redistribute it and/or modify it
dnl  under the terms of the GNU General Public License as published by the
dnl  Free Software Foundation; either version 2 of the License, or (at your
dnl  option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
dnl 
dnl  This program is distributed in the hope that it will be useful, but
dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
dnl  for more details.

dnl ===========================
dnl  initialize & set some vars
dnl ===========================

AC_INIT(strongSwan,4.3.2)
AM_INIT_AUTOMAKE(tar-ustar)
AC_SUBST(confdir, '${sysconfdir}')
PKG_PROG_PKG_CONFIG

dnl =================================
dnl  check --enable-xxx & --with-xxx
dnl =================================

AC_ARG_WITH(
	[default-pkcs11],
	AS_HELP_STRING([--with-default-pkcs11=lib],[set the default PKCS11 library other than "/usr/lib/opensc-pkcs11.so"]),
	[AC_DEFINE_UNQUOTED(PKCS11_DEFAULT_LIB, "$withval")],
	[AC_DEFINE_UNQUOTED(PKCS11_DEFAULT_LIB, "/usr/lib/opensc-pkcs11.so")]
)

AC_ARG_WITH(
	[xauth-module],
	AS_HELP_STRING([--with-xauth-module=lib],[set the path to the XAUTH module]),
	[AC_DEFINE_UNQUOTED(XAUTH_DEFAULT_LIB, "$withval")],
)

AC_ARG_WITH(
	[random-device],
	AS_HELP_STRING([--with-random-device=dev],[set the device for real random data other than "/dev/random"]),
	[AC_DEFINE_UNQUOTED(DEV_RANDOM, "$withval")],
	[AC_DEFINE_UNQUOTED(DEV_RANDOM, "/dev/random")]
)
AC_ARG_WITH(
	[resolv-conf],
	AS_HELP_STRING([--with-resolv-conf=file],[set the file to use in DNS handler plugin other than "sysconfdir/resolv.conf"]),
	[AC_SUBST(resolv_conf, "$withval")],
	[AC_SUBST(resolv_conf, "${sysconfdir}/resolv.conf")]
)

AC_ARG_WITH(
	[strongswan-conf],
	AS_HELP_STRING([--with-strongswan-conf=file],[strongswan.conf file other than "sysconfdir/strongswan.conf"]),
	[AC_SUBST(strongswan_conf, "$withval")],
	[AC_SUBST(strongswan_conf, "${sysconfdir}/strongswan.conf")]
)

AC_ARG_WITH(
	[urandom-device],
	AS_HELP_STRING([--with-urandom-device=dev],[set the device for pseudo random data other than "/dev/urandom"]),
	[AC_DEFINE_UNQUOTED(DEV_URANDOM, "$withval")],
	[AC_DEFINE_UNQUOTED(DEV_URANDOM, "/dev/urandom")]
)

AC_ARG_WITH(
	[piddir],
	AS_HELP_STRING([--with-piddir=dir],[path for PID and UNIX socket files other than "/var/run"]),
	[AC_SUBST(piddir, "$withval")],
	[AC_SUBST(piddir, "/var/run")]
)

AC_ARG_WITH(
	[ipsecdir],
	AS_HELP_STRING([--with-ipsecdir=dir],[installation path for ipsec tools other than "libexecdir/ipsec"]),
	[AC_SUBST(ipsecdir, "$withval")],
	[AC_SUBST(ipsecdir, "${libexecdir%/}/ipsec")]
)
AC_SUBST(plugindir, "${ipsecdir%/}/plugins")

AC_ARG_WITH(
	[plugindir],
	AS_HELP_STRING([--with-plugindir=dir],[installation path for plugins other than "ipsecdir/plugins"]),
	[AC_SUBST(plugindir, "$withval")],
	[AC_SUBST(plugindir, "${ipsecdir%/}/plugins")]
)

AC_ARG_WITH(
	[sim-reader],
	AS_HELP_STRING([--with-sim-reader=library.so],[library containing the sim_run_alg()/sim_get_triplet() function for EAP-SIM]),
	[AC_SUBST(simreader, "$withval")],
	[AC_SUBST(simreader, "${plugindir%/}/libeapsim-file.so")]
)

AC_ARG_WITH(
	[linux-headers],
	AS_HELP_STRING([--with-linux-headers=dir],[use the linux header files in dir instead of the supplied ones in "src/include"]),
	[AC_SUBST(linuxdir, "$withval")], [AC_SUBST(linuxdir, "\${top_srcdir}/src/include")]
)
AC_SUBST(LINUX_HEADERS)

AC_ARG_WITH(
	[routing-table],
	AS_HELP_STRING([--with-routing-table=num],[use routing table for IPsec routes (default: 220)]),
	[AC_DEFINE_UNQUOTED(IPSEC_ROUTING_TABLE, $withval) AC_SUBST(IPSEC_ROUTING_TABLE, "$withval")], 
	[AC_DEFINE_UNQUOTED(IPSEC_ROUTING_TABLE, 220) AC_SUBST(IPSEC_ROUTING_TABLE, "220")]
)

AC_ARG_WITH(
	[routing-table-prio],
	AS_HELP_STRING([--with-routing-table-prio=prio],[priority for IPsec routing table (default: 220)]),
	[AC_DEFINE_UNQUOTED(IPSEC_ROUTING_TABLE_PRIO, $withval) AC_SUBST(IPSEC_ROUTING_TABLE_PRIO, "$withval")], 
	[AC_DEFINE_UNQUOTED(IPSEC_ROUTING_TABLE_PRIO, 220) AC_SUBST(IPSEC_ROUTING_TABLE_PRIO, "220")]
)

AC_ARG_WITH(
	[uid],,[AC_MSG_ERROR([--with-uid is gone, use --with-user instead!])]
)

AC_ARG_WITH(
	[gid],,[AC_MSG_ERROR([--with-gid is gone, use --with-group instead!])]
)

AC_ARG_WITH(
	[user],
	AS_HELP_STRING([--with-user=user],[change user of the daemons to "user" after startup (default is 0).]),
	[AC_DEFINE_UNQUOTED(IPSEC_USER, "$withval") AC_SUBST(ipsecuser, "$withval")],
	[AC_SUBST(ipsecuser, "root")]
)

AC_ARG_WITH(
	[group],
	AS_HELP_STRING([--with-group=group],[change group of the daemons to "group" after startup (default is 0).]),
	[AC_DEFINE_UNQUOTED(IPSEC_GROUP, "$withval") AC_SUBST(ipsecgroup, "$withval")],
	[AC_SUBST(ipsecgroup, "root")]
)

dnl Will be extended to --with-capabilities=libcap|libcap2
AC_ARG_WITH(
	[capabilities],
	AS_HELP_STRING([--with-capabilities=libcap],[capability dropping using libcap. Currenlty only the value "libcap" is supported (default is NO).]),
	[capabilities="$withval"],
	[capabilities=no]
)

AC_ARG_ENABLE(
	[curl],
	AS_HELP_STRING([--enable-curl],[enable CURL fetcher plugin to fetch files via libcurl (default is NO). Requires libcurl.]),
	[if test x$enableval = xyes; then
		curl=true
	fi]
)

AC_ARG_ENABLE(
	[ldap],
	AS_HELP_STRING([--enable-ldap],[enable LDAP fetching plugin to fetch files via libldap (default is NO). Requires openLDAP.]),
	[if test x$enableval = xyes; then
		ldap=true
	fi]
)

AC_ARG_ENABLE(
	[aes],
	AS_HELP_STRING([--disable-aes],[disable own AES software implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		aes=true
	 else
		aes=false
	fi],
	aes=true
)

AC_ARG_ENABLE(
	[des],
	AS_HELP_STRING([--disable-des],[disable own DES/3DES software implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		des=true
	 else
		des=false
	fi],
	des=true
)

AC_ARG_ENABLE(
	[blowfish],
	AS_HELP_STRING([--enable-blowfish],[enable Blowfish software implementation plugin (default is NO).]),
	[if test x$enableval = xyes; then
		blowfish=true
	fi]
)

AC_ARG_ENABLE(
	[serpent],
	AS_HELP_STRING([--enable-serpent],[enable Serpent software implementation plugin (default is NO).]),
	[if test x$enableval = xyes; then
		serpent=true
	fi]
)

AC_ARG_ENABLE(
	[twofish],
	AS_HELP_STRING([--enable-twofish],[enable Twofish software implementation plugin (default is NO).]),
	[if test x$enableval = xyes; then
		twofish=true
	fi]
)

AC_ARG_ENABLE(
	[md4],
	AS_HELP_STRING([--enable-md4],[enable MD4 software implementation plugin (default is NO).]),
	[if test x$enableval = xyes; then
		md4=true
	fi]
)

AC_ARG_ENABLE(
	[md5],
	AS_HELP_STRING([--disable-md5],[disable own MD5 software implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		md5=true
	 else
		md5=false
	fi],
	md5=true
)

AC_ARG_ENABLE(
	[sha1],
	AS_HELP_STRING([--disable-sha1],[disable own SHA1 software implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		sha1=true
	 else
		sha1=false
	fi],
	sha1=true
)

AC_ARG_ENABLE(
	[sha2],
	AS_HELP_STRING([--disable-sha2],[disable own SHA256/SHA384/SHA512 software implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		sha2=true
	 else
		sha2=false
	fi],
	sha2=true
)

AC_ARG_ENABLE(
	[fips-prf],
	AS_HELP_STRING([--disable-fips-prf],[disable FIPS PRF software implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		fips_prf=true
	 else
		fips_prf=false
	fi],
	fips_prf=true
)

AC_ARG_ENABLE(
	[gmp],
	AS_HELP_STRING([--disable-gmp],[disable own GNU MP (libgmp) based crypto implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		gmp=true
	 else
		gmp=false
	fi],
	gmp=true
)

AC_ARG_ENABLE(
	[random],
	AS_HELP_STRING([--disable-random],[disable RNG implementation on top of /dev/(u)random. (default is NO).]),
	[if test x$enableval = xyes; then
		random=true
	 else
		random=false
	fi],
	random=true
)

AC_ARG_ENABLE(
	[x509],
	AS_HELP_STRING([--disable-x509],[disable own X509 certificate implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		x509=true
	 else
		x509=false
	fi],
	x509=true
)

AC_ARG_ENABLE(
	[pubkey],
	AS_HELP_STRING([--disable-pubkey],[disable RAW public key support plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		pubkey=true
	 else
		pubkey=false
	fi],
	pubkey=true
)

AC_ARG_ENABLE(
	[hmac],
	AS_HELP_STRING([--disable-hmac],[disable HMAC crypto implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		hmac=true
	 else
		hmac=false
	fi],
	hmac=true
)

AC_ARG_ENABLE(
	[xcbc],
	AS_HELP_STRING([--disable-xcbc],[disable xcbc crypto implementation plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		xcbc=true
	 else
		xcbc=false
	fi],
	xcbc=true
)

AC_ARG_ENABLE(
	[mysql],
	AS_HELP_STRING([--enable-mysql],[enable MySQL database support (default is NO). Requires libmysqlclient_r.]),
	[if test x$enableval = xyes; then
		mysql=true
	fi]
)

AC_ARG_ENABLE(
	[sqlite],
	AS_HELP_STRING([--enable-sqlite],[enable SQLite database support (default is NO). Requires libsqlite3.]),
	[if test x$enableval = xyes; then
		sqlite=true
	fi]
)

AC_ARG_ENABLE(
	[stroke],
	AS_HELP_STRING([--disable-stroke],[disable charons stroke (pluto compatibility) configuration backend. (default is NO).]),
	[if test x$enableval = xyes; then
		stroke=true
	 else
		stroke=false
	fi],
	stroke=true
)

AC_ARG_ENABLE(
	[medsrv],
	AS_HELP_STRING([--enable-medsrv],[enable mediation server web frontend and daemon plugin (default is NO).]),
	[if test x$enableval = xyes; then
		medsrv=true
	fi]
)

AC_ARG_ENABLE(
	[medcli],
	AS_HELP_STRING([--enable-medcli],[enable mediation client configuration database plugin (default is NO).]),
	[if test x$enableval = xyes; then
		medcli=true
	fi]
)

AC_ARG_ENABLE(
	[smp],
	AS_HELP_STRING([--enable-smp],[enable SMP configuration and control interface (default is NO). Requires libxml.]),
	[if test x$enableval = xyes; then
		smp=true
	fi]
)

AC_ARG_ENABLE(
	[sql],
	AS_HELP_STRING([--enable-sql],[enable SQL database configuration backend (default is NO).]),
	[if test x$enableval = xyes; then
		sql=true
	fi]
)

AC_ARG_ENABLE(
	[smartcard],
	AS_HELP_STRING([--enable-smartcard],[enable smartcard support (default is NO).]),
	[if test x$enableval = xyes; then
		smartcard=true
	fi]
)

AC_ARG_ENABLE(
	[cisco-quirks],
	AS_HELP_STRING([--enable-cisco-quirks],[enable support of Cisco VPN client (default is NO).]),
	[if test x$enableval = xyes; then
		cisco_quirks=true
	fi]
)

AC_ARG_ENABLE(
	[leak-detective],
	AS_HELP_STRING([--enable-leak-detective],[enable malloc hooks to find memory leaks (default is NO).]),
	[if test x$enableval = xyes; then
		leak_detective=true
	fi]
)

AC_ARG_ENABLE(
	[lock-profiler],
	AS_HELP_STRING([--enable-lock-profiler],[enable lock/mutex profiling code (default is NO).]),
	[if test x$enableval = xyes; then
		lock_profiler=true
	fi]
)

AC_ARG_ENABLE(
	[unit-tests],
	AS_HELP_STRING([--enable-unit-tests],[enable unit tests on IKEv2 daemon startup (default is NO).]),
	[if test x$enableval = xyes; then
		unittest=true
	fi]
)

AC_ARG_ENABLE(
	[load-tests],
	AS_HELP_STRING([--enable-load-tests],[enable load testing plugin for IKEv2 daemon (default is NO).]),
	[if test x$enableval = xyes; then
		loadtest=true
	fi]
)

AC_ARG_ENABLE(
	[eap-sim],
	AS_HELP_STRING([--enable-eap-sim],[build SIM authenication module for EAP (default is NO).]),
	[if test x$enableval = xyes; then
		eap_sim=true
	fi]
)

AC_ARG_ENABLE(
	[eap-sim-file],
	AS_HELP_STRING([--enable-eap-sim-file],[build EAP-SIM backend based on a triplet file (default is NO).]),
	[if test x$enableval = xyes; then
		eap_sim_file=true
	fi]
)

AC_ARG_ENABLE(
	[eap-identity],
	AS_HELP_STRING([--enable-eap-identity],[build EAP module providing EAP-Identity helper (default is NO).]),
	[if test x$enableval = xyes; then
		eap_identity=true
	fi]
)

AC_ARG_ENABLE(
	[eap-md5],
	AS_HELP_STRING([--enable-eap-md5],[build MD5 (CHAP) authenication module for EAP (default is NO).]),
	[if test x$enableval = xyes; then
		eap_md5=true
	fi]
)

AC_ARG_ENABLE(
	[eap-gtc],
	AS_HELP_STRING([--enable-eap-gtc],[build PAM based GTC authenication module for EAP (default is NO).]),
	[if test x$enableval = xyes; then
		eap_gtc=true
	fi]
)

AC_ARG_ENABLE(
	[eap-aka],
	AS_HELP_STRING([--enable-eap-aka],[build AKA authentication module for EAP (default is NO).]),
	[if test x$enableval = xyes; then
		eap_aka=true
	fi]
)

AC_ARG_ENABLE(
	[eap-mschapv2],
	AS_HELP_STRING([--enable-eap-mschapv2],[build MS-CHAPv2 authenication module for EAP (default is NO).]),
	[if test x$enableval = xyes; then
		eap_mschapv2=true
	fi]
)

AC_ARG_ENABLE(
	[eap-radius],
	AS_HELP_STRING([--enable-eap-radius],[build RADIUS proxy authenication module for EAP (default is NO).]),
	[if test x$enableval = xyes; then
		eap_radius=true
	fi]
)

AC_ARG_ENABLE(
	[kernel-netlink],
	AS_HELP_STRING([--disable-kernel-netlink],[disable the netlink kernel interface. (default is NO).]),
	[if test x$enableval = xyes; then
		kernel_netlink=true
	 else
		kernel_netlink=false
	fi],
	kernel_netlink=true
)

AC_ARG_ENABLE(
	[kernel-pfkey],
	AS_HELP_STRING([--enable-kernel-pfkey],[enable the PF_KEY kernel interface. (default is NO).]),
	[if test x$enableval = xyes; then
		kernel_pfkey=true
	fi]
)

AC_ARG_ENABLE(
	[kernel-pfroute],
	AS_HELP_STRING([--enable-kernel-pfroute],[enable the PF_ROUTE kernel interface. (default is NO).]),
	[if test x$enableval = xyes; then
		kernel_pfroute=true
	fi]
)

AC_ARG_ENABLE(
	[kernel-klips],
	AS_HELP_STRING([--enable-kernel-klips],[enable the KLIPS kernel interface. (default is NO).]),
	[if test x$enableval = xyes; then
		kernel_klips=true
	fi]
)

AC_ARG_ENABLE(
	[nat-transport],
	AS_HELP_STRING([--enable-nat-transport],[enable NAT traversal with IPsec transport mode (default is NO).]),
	[if test x$enableval = xyes; then
		nat_transport=true
	fi]
)

AC_ARG_ENABLE(
	[vendor-id],
	AS_HELP_STRING([--disable-vendor-id],[disable the sending of the strongSwan vendor ID (default is NO).]),
	[if test x$enableval = xyes; then
		vendor_id=true
	 else
		vendor_id=false
	fi],
	vendor_id=true
)

AC_ARG_ENABLE(
	[xauth-vid],
	AS_HELP_STRING([--disable-xauth-vid],[disable the sending of the XAUTH vendor ID (default is NO).]),
	[if test x$enableval = xyes; then
		xauth_vid=true
	 else
		xauth_vid=false
	fi],
	xauth_vid=true
)

AC_ARG_ENABLE(
	[dumm],
	AS_HELP_STRING([--enable-dumm],[build the DUMM UML test framework (default is NO).]),
	[if test x$enableval = xyes; then
		dumm=true
	fi]
)

AC_ARG_ENABLE(
	[fast],
	AS_HELP_STRING([--enable-fast],[build libfast (FastCGI Application Server w/ templates (default is NO).]),
	[if test x$enableval = xyes; then
		fast=true
	fi]
)

AC_ARG_ENABLE(
	[manager],
	AS_HELP_STRING([--enable-manager],[build web management console (default is NO).]),
	[if test x$enableval = xyes; then
		manager=true
		xml=true
	fi]
)

AC_ARG_ENABLE(
	[mediation],
	AS_HELP_STRING([--enable-mediation],[enable IKEv2 Mediation Extension (default is NO).]),
	[if test x$enableval = xyes; then
		me=true
	fi]
)

AC_ARG_ENABLE(
	[integrity-test],
	AS_HELP_STRING([--enable-integrity-test],[enable the integrity test of the crypto library (default is NO).]),
	[if test x$enableval = xyes; then
		integrity_test=true 
	fi]
)

AC_ARG_ENABLE(
	[self-test],
	AS_HELP_STRING([--disable-self-test],[disable the self-test of the crypto library (default is NO).]),
	[if test x$enableval = xyes; then
		self_test=true
	 else
		self_test=false
	fi],
	self_test=true
)

AC_ARG_ENABLE(
	[pluto],
	AS_HELP_STRING([--disable-pluto],[disable the IKEv1 keying daemon pluto. (default is NO).]),
	[if test x$enableval = xyes; then
		pluto=true
	 else
		pluto=false
	fi],
	pluto=true
)

AC_ARG_ENABLE(
	[threads],
	AS_HELP_STRING([--disable-threads],[disable the use of threads in pluto. Charon always uses threads. (default is NO).]),
	[if test x$enableval = xyes; then
		threads=true
	 else
		threads=false
	fi],
	threads=true
)

AC_ARG_ENABLE(
	[charon],
	AS_HELP_STRING([--disable-charon],[disable the IKEv2 keying daemon charon. (default is NO).]),
	[if test x$enableval = xyes; then
		charon=true
	 else
		charon=false
	fi],
	charon=true
)

AC_ARG_ENABLE(
	[tools],
	AS_HELP_STRING([--disable-tools],[disable additional utilities (openac and scepclient). (default is NO).]),
	[if test x$enableval = xyes; then
		tools=true
	 else
		tools=false
	fi],
	tools=true
)

AC_ARG_ENABLE(
	[updown],
	AS_HELP_STRING([--disable-updown],[disable updown firewall script plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		updown=true
	 else
		updown=false
	fi],
	updown=true
)

AC_ARG_ENABLE(
	[attr],
	AS_HELP_STRING([--disable-attr],[disable strongswan.conf based configuration attribute plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		attr=true
	 else
		attr=false
	fi],
	attr=true
)

AC_ARG_ENABLE(
	[resolv-conf],
	AS_HELP_STRING([--disable-resolv-conf],[disable resolv.conf DNS handler plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		resolvconf=true
	 else
		resolvconf=false
	fi],
	resolvconf=true
)

AC_ARG_ENABLE(
	[padlock],
	AS_HELP_STRING([--enable-padlock],[enables VIA Padlock crypto plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		padlock=true
	 else
		padlock=false
	fi],
)

AC_ARG_ENABLE(
	[openssl],
	AS_HELP_STRING([--enable-openssl],[enables the OpenSSL crypto plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		openssl=true
	 else
		openssl=false
	fi],
)

AC_ARG_ENABLE(
	[agent],
	AS_HELP_STRING([--enable-agent],[enables the ssh-agent signing plugin. (default is NO).]),
	[if test x$enableval = xyes; then
		agent=true
	 else
		agent=false
	fi],
)

AC_ARG_ENABLE(
	[uci],
	AS_HELP_STRING([--enable-uci],[enable OpenWRT UCI configuration plugin (default is NO).]),
	[if test x$enableval = xyes; then
		uci=true
	fi]
)

AC_ARG_ENABLE(
	[nm],
	AS_HELP_STRING([--enable-nm],[enable NetworkManager plugin (default is NO).]),
	[if test x$enableval = xyes; then
		nm=true
	fi]
)

AC_ARG_ENABLE(
	[vstr],
	AS_HELP_STRING([--enable-vstr],[enforce using the Vstr string library to replace glibc-like printf hooks (default is NO).]),
	[if test x$enableval = xyes; then
	 	vstr=true
	fi]
)

dnl =========================
dnl  set up compiler and flags
dnl =========================

if test -z "$CFLAGS"; then
	AC_SUBST(CFLAGS, "-g -O2 -Wall -Wno-format -Wno-pointer-sign -Wno-strict-aliasing")
fi
AC_PROG_CC
AC_C_BIGENDIAN

dnl =========================
dnl  check required programs
dnl =========================

AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_LEX
AC_PROG_YACC
AC_PATH_PROG([GPERF], [gperf], [], [$PATH:/bin:/usr/bin:/usr/local/bin])
AC_PATH_PROG([PERL], [perl], [], [$PATH:/bin:/usr/bin:/usr/local/bin])

dnl =========================
dnl  dependency calculation
dnl =========================

if test x$pluto = xtrue; then
	gmp=true;
fi

if test x$tools = xtrue; then
	gmp=true;
fi

if test x$smp = xtrue; then
	xml=true
fi

if test x$manager = xtrue; then
	fast=true
fi

if test x$medsrv = xtrue; then
	me=true
	fast=true
fi

if test x$medcli = xtrue; then
	me=true
fi

dnl ===========================================
dnl  check required libraries and header files
dnl ===========================================

AC_HEADER_STDBOOL

saved_LIBS=$LIBS
LIBS=""
AC_SEARCH_LIBS(dlopen, dl, [DLLIB=$LIBS])
LIBS=$saved_LIBS
AC_SUBST(DLLIB)

AC_MSG_CHECKING(for dladdr)
AC_TRY_COMPILE(
	[#define _GNU_SOURCE
	 #include <dlfcn.h>],
	[Dl_info* info = 0;
	 dladdr(0, info);],
	[AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_DLADDR])],
	[AC_MSG_RESULT([no])]
)

AC_CHECK_FUNCS(backtrace)
AC_CHECK_FUNCS(prctl)
AC_CHECK_FUNCS(gethostbyname_r)

AC_CHECK_HEADERS(net/pfkeyv2.h netipsec/ipsec.h netinet6/ipsec.h)

AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [],
[
	#include <sys/types.h>
	#include <sys/socket.h>
])

AC_CHECK_MEMBERS([struct sadb_x_policy.sadb_x_policy_priority], [], [],
[
	#include <sys/types.h>
	#ifdef HAVE_NET_PFKEYV2_H
	#include <net/pfkeyv2.h>
	#else
	#include <stdint.h>
	#include <linux/pfkeyv2.h>
	#endif
])

AC_MSG_CHECKING([for IPSEC_MODE_BEET])
AC_TRY_COMPILE(
	[#include <sys/types.h>
	#ifdef HAVE_NETIPSEC_IPSEC_H
	#include <netipsec/ipsec.h>
	#elif defined(HAVE_NETINET6_IPSEC_H)
	#include <netinet6/ipsec.h>
	#else
	#include <stdint.h>
	#include <linux/ipsec.h>
	#endif],
	[int mode = IPSEC_MODE_BEET;
	 return mode;],
	[AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_IPSEC_MODE_BEET])],
	[AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([for IPSEC_DIR_FWD])
AC_TRY_COMPILE(
	[#include <sys/types.h>
	#ifdef HAVE_NETIPSEC_IPSEC_H
	#include <netipsec/ipsec.h>
	#elif defined(HAVE_NETINET6_IPSEC_H)
	#include <netinet6/ipsec.h>
	#else
	#include <stdint.h>
	#include <linux/ipsec.h>
	#endif],
	[int dir = IPSEC_DIR_FWD;
	 return dir;],
	[AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_IPSEC_DIR_FWD])],
	[AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([for gcc atomic operations])
AC_TRY_RUN(
[
	int main() {
		volatile int ref = 1;
		__sync_fetch_and_add (&ref, 1);
		__sync_sub_and_fetch (&ref, 1);
		/* Make sure test fails if operations are not supported */
		__sync_val_compare_and_swap(&ref, 1, 0);
		return ref;
	}
],
[AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_GCC_ATOMIC_OPERATIONS)],
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([no])])

AC_CHECK_FUNC(
	[register_printf_function],
	[AC_DEFINE(HAVE_PRINTF_HOOKS)],
	[
		AC_MSG_NOTICE([printf does not support custom format specifiers!])
		vstr=true
	]
)

if test x$vstr = xtrue; then
	AC_HAVE_LIBRARY([vstr],[LIBS="$LIBS"],[AC_MSG_ERROR([Vstr string library not found])])
	AC_DEFINE(USE_VSTR)
fi

if test x$gmp = xtrue; then
	AC_HAVE_LIBRARY([gmp],[LIBS="$LIBS"],[AC_MSG_ERROR([GNU Multi Precision library gmp not found])])
	AC_MSG_CHECKING([gmp.h version >= 4.1.4])
	AC_TRY_COMPILE(
		[#include "gmp.h"],
		[
			#if (__GNU_MP_VERSION*100 +  __GNU_MP_VERSION_MINOR*10 + __GNU_MP_VERSION_PATCHLEVEL) < 414
				#error bad gmp
			#endif
		], 
		[AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); AC_MSG_ERROR([No usable gmp.h found!])]
	)
fi

if test x$ldap = xtrue; then
	AC_HAVE_LIBRARY([ldap],[LIBS="$LIBS"],[AC_MSG_ERROR([LDAP library ldap not found])])
	AC_HAVE_LIBRARY([lber],[LIBS="$LIBS"],[AC_MSG_ERROR([LDAP library lber not found])])
	AC_CHECK_HEADER([ldap.h],,[AC_MSG_ERROR([LDAP header ldap.h not found!])])
fi

if test x$curl = xtrue; then
	AC_HAVE_LIBRARY([curl],[LIBS="$LIBS"],[AC_MSG_ERROR([CURL library curl not found])])
	AC_CHECK_HEADER([curl/curl.h],,[AC_MSG_ERROR([CURL header curl/curl.h not found!])])
fi

if test x$xml = xtrue; then
	PKG_CHECK_MODULES(xml, [libxml-2.0])
	AC_SUBST(xml_CFLAGS)
	AC_SUBST(xml_LIBS)
fi

if test x$dumm = xtrue; then
	PKG_CHECK_MODULES(gtk, [gtk+-2.0 vte])
	AC_SUBST(gtk_CFLAGS)
	AC_SUBST(gtk_LIBS)
	AC_CHECK_PROGS(RUBY, ruby)
	AC_MSG_CHECKING([for Ruby header files])
	if test -n "$RUBY"; then
		RUBYDIR=`($RUBY -rmkmf -e 'print Config::CONFIG[["archdir"]] || $archdir') 2>/dev/null`
		if test -n "$RUBYDIR"; then
			dirs="$RUBYDIR"
			RUBYINCLUDE=none
			for i in $dirs; do
				if test -r $i/ruby.h; then
					AC_MSG_RESULT([$i])
					RUBYINCLUDE="-I$i"
					break;
				fi
			done
			if test x"$RUBYINCLUDE" = xnone; then
				AC_MSG_ERROR([ruby.h not found])
			fi
			AC_SUBST(RUBYINCLUDE)
		else
			AC_MSG_ERROR([unable to determine ruby configuration])
		fi
	else
		AC_MSG_ERROR([don't know how to run ruby])
	fi
fi

if test x$fast = xtrue; then
	AC_HAVE_LIBRARY([neo_cgi],[LIBS="$LIBS"],[AC_MSG_ERROR([ClearSilver library neo_cgi not found!])])
	AC_HAVE_LIBRARY([neo_utl],[LIBS="$LIBS"],[AC_MSG_ERROR([ClearSilver library neo_utl not found!])])
	AC_HAVE_LIBRARY([z],[LIBS="$LIBS"],[AC_MSG_ERROR([ClearSilver dependency zlib not found!])])
dnl autoconf does not like CamelCase!? How to fix this?
dnl	AC_CHECK_HEADER([ClearSilver/ClearSilver.h],,[AC_MSG_ERROR([ClearSilver header file ClearSilver/ClearSilver.h not found!])])
	
	AC_HAVE_LIBRARY([fcgi],[LIBS="$LIBS"],[AC_MSG_ERROR([FastCGI library fcgi not found!])])
	AC_CHECK_HEADER([fcgiapp.h],,[AC_MSG_ERROR([FastCGI header file fcgiapp.h not found!])])
fi

if test x$mysql = xtrue; then
	AC_HAVE_LIBRARY([mysqlclient_r],[LIBS="$LIBS"],[AC_MSG_ERROR([MySQL library mysqlclient_r not found])])
	AC_CHECK_HEADER([mysql/mysql.h],,[AC_MSG_ERROR([MySQL header mysql/mysql.h not found!])])
fi

if test x$sqlite = xtrue; then
	AC_HAVE_LIBRARY([sqlite3],[LIBS="$LIBS"],[AC_MSG_ERROR([SQLite library sqlite3 not found])])
	AC_CHECK_HEADER([sqlite3.h],,[AC_MSG_ERROR([SQLite header sqlite3.h not found!])])
	AC_MSG_CHECKING([sqlite3_prepare_v2])
	AC_TRY_COMPILE(
		[#include <sqlite3.h>],
		[
			void *test = sqlite3_prepare_v2;
		], 
		[AC_MSG_RESULT([yes])]; AC_DEFINE_UNQUOTED(HAVE_SQLITE3_PREPARE_V2, 1), [AC_MSG_RESULT([no])])
	AC_MSG_CHECKING([sqlite3.h version >= 3.3.1])
	AC_TRY_COMPILE(
		[#include <sqlite3.h>],
		[
			#if SQLITE_VERSION_NUMBER < 3003001
				#error bad sqlite
			#endif
		], 
		[AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); AC_MSG_ERROR([SQLite version >= 3.3.1 required!])])
fi

if test x$openssl = xtrue; then
	AC_HAVE_LIBRARY([crypto],[LIBS="$LIBS"],[AC_MSG_ERROR([OpenSSL crypto library not found])])
	AC_CHECK_HEADER([openssl/evp.h],,[AC_MSG_ERROR([OpenSSL header openssl/evp.h not found!])])
fi

if test x$uci = xtrue; then
	AC_HAVE_LIBRARY([uci],[LIBS="$LIBS"],[AC_MSG_ERROR([UCI library libuci not found])])
	AC_CHECK_HEADER([uci.h],,[AC_MSG_ERROR([UCI header uci.h not found!])])
fi

if test x$nm = xtrue; then
	PKG_CHECK_MODULES(nm, [NetworkManager libnm_glib_vpn gthread-2.0])
	AC_SUBST(nm_CFLAGS)
	AC_SUBST(nm_LIBS)
fi

if test x$eap_gtc = xtrue; then
	AC_HAVE_LIBRARY([pam],[LIBS="$LIBS"],[AC_MSG_ERROR([PAM library not found])])
	AC_CHECK_HEADER([security/pam_appl.h],,[AC_MSG_ERROR([PAM header security/pam_appl.h not found!])])
fi

if test x$capabilities = xlibcap; then
	AC_HAVE_LIBRARY([cap],[LIBS="$LIBS"],[AC_MSG_ERROR([libcap library not found])])
	AC_CHECK_HEADER([sys/capability.h],,[AC_MSG_ERROR([libcap header sys/capability.h not found!])])
fi

dnl ======================================
dnl  collect all plugins for libstrongswan
dnl ======================================

libstrongswan_plugins=
pluto_plugins=

if test x$curl = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" curl"
	pluto_plugins=${pluto_plugins}" curl"
fi
if test x$ldap = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" ldap"
	pluto_plugins=${pluto_plugins}" ldap"
fi
if test x$aes = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" aes"
	pluto_plugins=${pluto_plugins}" aes"
fi
if test x$des = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" des"
	pluto_plugins=${pluto_plugins}" des"
fi
if test x$blowfish = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" blowfish"
	pluto_plugins=${pluto_plugins}" blowfish"
fi
if test x$serpent = xtrue; then
	pluto_plugins=${pluto_plugins}" serpent"
fi
if test x$twofish = xtrue; then
	pluto_plugins=${pluto_plugins}" twofish"
fi
if test x$sha1 = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" sha1"
	pluto_plugins=${pluto_plugins}" sha1"
fi
if test x$sha2 = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" sha2"
	pluto_plugins=${pluto_plugins}" sha2"
fi
if test x$md4 = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" md4"
fi
if test x$md5 = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" md5"
	pluto_plugins=${pluto_plugins}" md5"
fi
if test x$fips_prf = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" fips-prf"
fi
if test x$random = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" random"
	pluto_plugins=${pluto_plugins}" random"
fi
if test x$x509 = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" x509"
fi
if test x$pubkey = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" pubkey"
	pluto_plugins=${pluto_plugins}" pubkey"
fi
if test x$xcbc = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" xcbc"
fi
if test x$hmac = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" hmac"
	pluto_plugins=${pluto_plugins}" hmac"
fi
if test x$mysql = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" mysql"
fi
if test x$sqlite = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" sqlite"
fi
if test x$padlock = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" padlock"
fi
if test x$openssl = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" openssl"
	pluto_plugins=${pluto_plugins}" openssl"
fi
if test x$agent = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" agent"
fi
if test x$gmp = xtrue; then
	libstrongswan_plugins=${libstrongswan_plugins}" gmp"
	pluto_plugins=${pluto_plugins}" gmp"
fi

AC_SUBST(libstrongswan_plugins)
AC_SUBST(pluto_plugins)

dnl =========================
dnl  set Makefile.am vars
dnl =========================

dnl libstrongswan plugins
dnl =====================
AM_CONDITIONAL(USE_CURL, test x$curl = xtrue)
AM_CONDITIONAL(USE_LDAP, test x$ldap = xtrue)
AM_CONDITIONAL(USE_AES, test x$aes = xtrue)
AM_CONDITIONAL(USE_DES, test x$des = xtrue)
AM_CONDITIONAL(USE_BLOWFISH, test x$blowfish = xtrue)
AM_CONDITIONAL(USE_SERPENT, test x$serpent = xtrue)
AM_CONDITIONAL(USE_TWOFISH, test x$twofish = xtrue)
AM_CONDITIONAL(USE_MD4, test x$md4 = xtrue)
AM_CONDITIONAL(USE_MD5, test x$md5 = xtrue)
AM_CONDITIONAL(USE_SHA1, test x$sha1 = xtrue)
AM_CONDITIONAL(USE_SHA2, test x$sha2 = xtrue)
AM_CONDITIONAL(USE_FIPS_PRF, test x$fips_prf = xtrue)
AM_CONDITIONAL(USE_GMP, test x$gmp = xtrue)
AM_CONDITIONAL(USE_RANDOM, test x$random = xtrue)
AM_CONDITIONAL(USE_X509, test x$x509 = xtrue)
AM_CONDITIONAL(USE_PUBKEY, test x$pubkey = xtrue)
AM_CONDITIONAL(USE_HMAC, test x$hmac = xtrue)
AM_CONDITIONAL(USE_XCBC, test x$xcbc = xtrue)
AM_CONDITIONAL(USE_MYSQL, test x$mysql = xtrue)
AM_CONDITIONAL(USE_SQLITE, test x$sqlite = xtrue)
AM_CONDITIONAL(USE_PADLOCK, test x$padlock = xtrue)
AM_CONDITIONAL(USE_OPENSSL, test x$openssl = xtrue)
AM_CONDITIONAL(USE_AGENT, test x$agent = xtrue)

dnl charon plugins
dnl ==============
AM_CONDITIONAL(USE_STROKE, test x$stroke = xtrue)
AM_CONDITIONAL(USE_MEDSRV, test x$medsrv = xtrue)
AM_CONDITIONAL(USE_MEDCLI, test x$medcli = xtrue)
AM_CONDITIONAL(USE_NM, test x$nm = xtrue)
AM_CONDITIONAL(USE_UCI, test x$uci = xtrue)
AM_CONDITIONAL(USE_SMP, test x$smp = xtrue)
AM_CONDITIONAL(USE_SQL, test x$sql = xtrue)
AM_CONDITIONAL(USE_UPDOWN, test x$updown = xtrue)
AM_CONDITIONAL(USE_ATTR, test x$attr = xtrue)
AM_CONDITIONAL(USE_RESOLV_CONF, test x$resolvconf = xtrue)
AM_CONDITIONAL(USE_UNIT_TESTS, test x$unittest = xtrue)
AM_CONDITIONAL(USE_LOAD_TESTS, test x$loadtest = xtrue)
AM_CONDITIONAL(USE_EAP_SIM, test x$eap_sim = xtrue)
AM_CONDITIONAL(USE_EAP_SIM_FILE, test x$eap_sim_file = xtrue)
AM_CONDITIONAL(USE_EAP_IDENTITY, test x$eap_identity = xtrue)
AM_CONDITIONAL(USE_EAP_MD5, test x$eap_md5 = xtrue)
AM_CONDITIONAL(USE_EAP_GTC, test x$eap_gtc = xtrue)
AM_CONDITIONAL(USE_EAP_AKA, test x$eap_aka = xtrue)
AM_CONDITIONAL(USE_EAP_MSCHAPV2, test x$eap_mschapv2 = xtrue)
AM_CONDITIONAL(USE_EAP_RADIUS, test x$eap_radius = xtrue)
AM_CONDITIONAL(USE_KERNEL_NETLINK, test x$kernel_netlink = xtrue)
AM_CONDITIONAL(USE_KERNEL_PFKEY, test x$kernel_pfkey = xtrue)
AM_CONDITIONAL(USE_KERNEL_PFROUTE, test x$kernel_pfroute = xtrue)
AM_CONDITIONAL(USE_KERNEL_KLIPS, test x$kernel_klips = xtrue)

dnl other options
dnl =============
AM_CONDITIONAL(USE_SMARTCARD, test x$smartcard = xtrue)
AM_CONDITIONAL(USE_CISCO_QUIRKS, test x$cisco_quirks = xtrue)
AM_CONDITIONAL(USE_LEAK_DETECTIVE, test x$leak_detective = xtrue)
AM_CONDITIONAL(USE_LOCK_PROFILER, test x$lock_profiler = xtrue)
AM_CONDITIONAL(USE_NAT_TRANSPORT, test x$nat_transport = xtrue)
AM_CONDITIONAL(USE_VENDORID, test x$vendor_id = xtrue)
AM_CONDITIONAL(USE_XAUTH_VID, test x$xauth_vid = xtrue)
AM_CONDITIONAL(USE_DUMM, test x$dumm = xtrue)
AM_CONDITIONAL(USE_FAST, test x$fast = xtrue)
AM_CONDITIONAL(USE_MANAGER, test x$manager = xtrue)
AM_CONDITIONAL(USE_ME, test x$me = xtrue)
AM_CONDITIONAL(USE_INTEGRITY_TEST, test x$integrity_test = xtrue)
AM_CONDITIONAL(USE_SELF_TEST, test x$self_test = xtrue)
AM_CONDITIONAL(USE_CAPABILITIES, test x$capabilities = xlibcap)
AM_CONDITIONAL(USE_PLUTO, test x$pluto = xtrue)
AM_CONDITIONAL(USE_THREADS, test x$threads = xtrue)
AM_CONDITIONAL(USE_CHARON, test x$charon = xtrue)
AM_CONDITIONAL(USE_TOOLS, test x$tools = xtrue)
AM_CONDITIONAL(USE_LIBSTRONGSWAN, test x$charon = xtrue -o x$pluto = xtrue -o x$tools = xtrue)
AM_CONDITIONAL(USE_FILE_CONFIG, test x$pluto = xtrue -o x$stroke = xtrue)
AM_CONDITIONAL(USE_VSTR, test x$vstr = xtrue)

dnl ==============================
dnl  set global definitions
dnl ==============================

if test x$me = xtrue; then
	AC_DEFINE(ME)
fi
if test x$capabilities = xlibcap; then
	AC_DEFINE(CAPABILITIES)
fi

dnl ==============================
dnl  build Makefiles
dnl ==============================

AC_OUTPUT(
	Makefile
	src/Makefile
	src/include/Makefile
	src/libstrongswan/Makefile
	src/libstrongswan/plugins/aes/Makefile
	src/libstrongswan/plugins/des/Makefile
	src/libstrongswan/plugins/blowfish/Makefile
	src/libstrongswan/plugins/serpent/Makefile
	src/libstrongswan/plugins/twofish/Makefile
	src/libstrongswan/plugins/md4/Makefile
	src/libstrongswan/plugins/md5/Makefile
	src/libstrongswan/plugins/sha1/Makefile
	src/libstrongswan/plugins/sha2/Makefile
	src/libstrongswan/plugins/fips_prf/Makefile
	src/libstrongswan/plugins/gmp/Makefile
	src/libstrongswan/plugins/random/Makefile
	src/libstrongswan/plugins/hmac/Makefile
	src/libstrongswan/plugins/xcbc/Makefile
	src/libstrongswan/plugins/x509/Makefile
	src/libstrongswan/plugins/pubkey/Makefile
	src/libstrongswan/plugins/curl/Makefile
	src/libstrongswan/plugins/ldap/Makefile
	src/libstrongswan/plugins/mysql/Makefile
	src/libstrongswan/plugins/sqlite/Makefile
	src/libstrongswan/plugins/padlock/Makefile
	src/libstrongswan/plugins/openssl/Makefile
	src/libstrongswan/plugins/agent/Makefile
	src/libstrongswan/fips/Makefile
	src/libfreeswan/Makefile
	src/pluto/Makefile
	src/whack/Makefile
	src/charon/Makefile
	src/charon/plugins/eap_aka/Makefile
	src/charon/plugins/eap_identity/Makefile
	src/charon/plugins/eap_md5/Makefile
	src/charon/plugins/eap_gtc/Makefile
	src/charon/plugins/eap_sim/Makefile
	src/charon/plugins/eap_sim_file/Makefile
	src/charon/plugins/eap_mschapv2/Makefile
	src/charon/plugins/eap_radius/Makefile
	src/charon/plugins/kernel_netlink/Makefile
	src/charon/plugins/kernel_pfkey/Makefile
	src/charon/plugins/kernel_pfroute/Makefile
	src/charon/plugins/kernel_klips/Makefile
	src/charon/plugins/smp/Makefile
	src/charon/plugins/sql/Makefile
	src/charon/plugins/medsrv/Makefile
	src/charon/plugins/medcli/Makefile
	src/charon/plugins/nm/Makefile
	src/charon/plugins/uci/Makefile
	src/charon/plugins/stroke/Makefile
	src/charon/plugins/updown/Makefile
	src/charon/plugins/attr/Makefile
	src/charon/plugins/resolv_conf/Makefile
	src/charon/plugins/unit_tester/Makefile
	src/charon/plugins/load_tester/Makefile
	src/stroke/Makefile
	src/ipsec/Makefile
	src/starter/Makefile
	src/_updown/Makefile
	src/_updown_espmark/Makefile
	src/_copyright/Makefile
	src/openac/Makefile
	src/scepclient/Makefile
	src/dumm/Makefile
	src/dumm/ext/extconf.rb
	src/libfast/Makefile
	src/manager/Makefile
	src/medsrv/Makefile
	scripts/Makefile
	testing/Makefile
)