[thirdparty/collectd.git] / configure.in

dnl Process this file with autoconf to produce a configure script.
AC_INIT(collectd, m4_esyscmd(./version-gen.sh))
AC_CONFIG_SRCDIR(src/collectd.c)
AC_CONFIG_HEADERS(src/config.h)
AM_INIT_AUTOMAKE(dist-bzip2)
AC_LANG(C)

AC_PREFIX_DEFAULT("/opt/collectd")

AC_SYS_LARGEFILE

#
# Checks for programs.
#
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_CONDITIONAL(COMPILER_IS_GCC, test "x$GCC" = "xyes")

dnl configure libtool
AC_DISABLE_STATIC
AC_LIBLTDL_CONVENIENCE
AC_SUBST(LTDLINCL)
AC_SUBST(LIBLTDL)
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
AC_PROG_LEX
AC_PROG_YACC
AC_CONFIG_SUBDIRS(libltdl)

AC_MSG_CHECKING([for kernel type ($host_os)])
case $host_os in
	*linux*)
	AC_DEFINE([KERNEL_LINUX], 1, [True if program is to be compiled for a Linux kernel])
	ac_system="Linux"
	;;
	*solaris*)
	AC_DEFINE([KERNEL_SOLARIS], 1, [True if program is to be compiled for a Solaris kernel])
	ac_system="Solaris"
	;;
	*darwin*)
	ac_system="Darwin"
	;;
	*)
	ac_system="unknown"
esac
AC_MSG_RESULT([$ac_system])

#
# Checks for header files.
#
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_DIRENT

AC_CHECK_HEADERS(stdint.h stdio.h errno.h math.h stdarg.h syslog.h fcntl.h signal.h assert.h sys/types.h sys/socket.h sys/select.h poll.h netdb.h arpa/inet.h sys/resource.h sys/param.h kstat.h regex.h sys/ioctl.h)

# For ping library
AC_CHECK_HEADERS(netinet/in_systm.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
])
AC_CHECK_HEADERS(netinet/in.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip_icmp.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip_var.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
])
AC_CHECK_HEADERS(netinet/ip6.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])
AC_CHECK_HEADERS(netinet/icmp6.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP6_H
# include <netinet/ip6.h>
#endif
])
AC_CHECK_HEADERS(netinet/tcp.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
])
AC_CHECK_HEADERS(netinet/udp.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
])

# For cpu modules
AC_CHECK_HEADERS(sys/dkstat.h)
if test "x$ac_system" = "xDarwin"
then
	AC_CHECK_HEADERS(mach/mach_init.h mach/host_priv.h mach/mach_error.h mach/mach_host.h mach/mach_port.h mach/mach_types.h mach/message.h mach/processor_set.h mach/processor.h mach/processor_info.h mach/task.h mach/thread_act.h mach/vm_region.h mach/vm_map.h mach/vm_prot.h mach/vm_statistics.h mach/kern_return.h)
	AC_CHECK_HEADERS(CoreFoundation/CoreFoundation.h IOKit/IOKitLib.h IOKit/IOTypes.h IOKit/ps/IOPSKeys.h IOKit/IOBSD.h IOKit/storage/IOBlockStorageDriver.h)
fi
AC_CHECK_HEADERS(sys/sysctl.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])

# For hddtemp module
AC_CHECK_HEADERS(linux/major.h libgen.h)

# For the battery plugin
AC_CHECK_HEADERS(IOKit/ps/IOPowerSources.h, [], [],
[
#if HAVE_IOKIT_IOKITLIB_H
#  include <IOKit/IOKitLib.h>
#endif
#if HAVE_IOKIT_IOTYPES_H
#  include <IOKit/IOTypes.h>
#endif
])

# For the swap module
AC_CHECK_HEADERS(sys/swap.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])

# For load module
# For the processes plugin
# For users module
AC_CHECK_HEADERS(sys/loadavg.h linux/config.h utmp.h utmpx.h)

# For interface plugin
AC_CHECK_HEADERS(ifaddrs.h)
AC_CHECK_HEADERS(net/if.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
#  include <sys/socket.h>
#endif
])
AC_CHECK_HEADERS(linux/if.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
#  include <sys/socket.h>
#endif
])
AC_CHECK_HEADERS(linux/netdevice.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
#  include <sys/socket.h>
#endif
#if HAVE_LINUX_IF_H
# include <linux/if.h>
#endif
])

# For quota module
AC_CHECK_HEADERS(sys/ucred.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])

# For mount interface
AC_CHECK_HEADERS(sys/mount.h, [], [],
[
#if HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])

# For the email plugin
AC_CHECK_HEADERS(linux/un.h, [], [],
[
#if HAVE_SYS_SOCKET_H
#	include <sys/socket.h>
#endif
])

AC_CHECK_HEADERS(pwd.h grp.h sys/un.h ctype.h limits.h sys/quota.h xfs/xqm.h fs_info.h fshelp.h paths.h mntent.h mnttab.h sys/fstyp.h sys/fs_types.h sys/mntent.h sys/mnttab.h sys/statfs.h sys/statvfs.h sys/vfs.h sys/vfstab.h kvm.h)

# For the dns plugin
AC_CHECK_HEADERS(arpa/nameser.h)
AC_CHECK_HEADERS(arpa/nameser_compat.h, [], [],
[
#if HAVE_ARPA_NAMESER_H
# include <arpa/nameser.h>
#endif
])

AC_CHECK_HEADERS(net/if_arp.h, [], [],
[#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
])
AC_CHECK_HEADERS(net/ppp_defs.h)
AC_CHECK_HEADERS(net/if_ppp.h, [], [],
[#if HAVE_NET_PPP_DEFS_H
# include <net/ppp_defs.h>
#endif
])
AC_CHECK_HEADERS(netinet/if_ether.h, [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#if HAVE_NET_IF_H
# include <net/if.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
])

# For the multimeter plugin
have_termios_h="no"
AC_CHECK_HEADERS(termios.h, [have_termios_h="yes"])

#
# Checking for libraries
#
AC_CHECK_LIB(m, ext)

#
# Checks for typedefs, structures, and compiler characteristics.
#
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_HEADER_TIME

#
# Checks for library functions.
#
AC_PROG_GCC_TRADITIONAL
AC_CHECK_FUNCS(gettimeofday select strdup strtol getaddrinfo getnameinfo strchr memcpy strstr strcmp strncmp strncpy strlen strncasecmp strcasecmp openlog closelog)

AC_FUNC_STRERROR_R

AC_CHECK_FUNCS(getpwnam_r)
AC_CHECK_FUNCS(getgrnam_r)

socket_needs_socket="no"
AC_CHECK_FUNCS(socket, [], AC_CHECK_LIB(socket, socket, [socket_needs_socket="yes"], AC_MSG_ERROR(cannot find socket)))
AM_CONDITIONAL(BUILD_WITH_LIBSOCKET, test "x$socket_needs_socket" = "xyes")

nanosleep_needs_rt="no"
AC_CHECK_FUNCS(nanosleep, [], AC_CHECK_LIB(rt, nanosleep, [nanosleep_needs_rt="yes"], AC_MSG_ERROR(cannot find nanosleep)))
AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")

AC_CHECK_FUNCS(regcomp regerror regexec regfree)

AC_CHECK_FUNCS(sysctlbyname, [have_sysctlbyname="yes"], [have_sysctlbyname="no"])
AC_CHECK_FUNCS(host_statistics, [have_host_statistics="yes"], [have_host_statistics="no"])
AC_CHECK_FUNCS(processor_info, [have_processor_info="yes"], [have_processor_info="no"])
AC_CHECK_FUNCS(thread_info, [have_thread_info="yes"], [have_thread_info="no"])
AC_CHECK_FUNCS(statfs, [have_statfs="yes"], [have_statfs="no"])
AC_CHECK_FUNCS(statvfs, [have_statvfs="yes"], [have_statvfs="no"])
AC_CHECK_FUNCS(getifaddrs, [have_getifaddrs="yes"], [have_getifaddrs="no"])
AC_CHECK_FUNCS(syslog, [have_syslog="yes"], [have_syslog="no"])
AC_CHECK_FUNCS(getutent, [have_getutent="yes"], [have_getutent="no"])
AC_CHECK_FUNCS(getutxent, [have_getutxent="yes"], [have_getutxent="no"])

# For load module
AC_CHECK_FUNCS(getloadavg, [have_getloadavg="yes"], [have_getloadavg="no"])

# Check for NAN
AC_ARG_WITH(nan-emulation, [AS_HELP_STRING([--with-nan-emulation], [use emulated NAN. For crosscompiling only.])],
[
 if test "x$withval" = "xno"; then
	 nan_type="none"
 else if test "x$withval" = "xyes"; then
	 nan_type="zero"
 else
	 nan_type="$withval"
 fi; fi
],
[nan_type="none"])
if test "x$nan_type" = "xnone"; then
  AC_CACHE_CHECK([whether NAN is defined by default],
    [have_nan_default],
    AC_COMPILE_IFELSE(
      AC_LANG_PROGRAM(
      [[
#include <stdlib.h>
#include <math.h>
static float foo = NAN;
      ]],
      [[
       if (isnan (foo))
        return 0;
       else
	return 1;
      ]]),
      [have_nan_default="yes"],
      [have_nan_default="no"]
    )
  )
  if test "x$have_nan_default" = "xyes"
  then
    nan_type="default"
  fi
fi
if test "x$nan_type" = "xnone"; then
  AC_CACHE_CHECK([whether NAN is defined by __USE_ISOC99],
    [have_nan_isoc],
    AC_COMPILE_IFELSE(
      AC_LANG_PROGRAM(
      [[
#include <stdlib.h>
#define __USE_ISOC99 1
#include <math.h>
static float foo = NAN;
      ]],
      [[
       if (isnan (foo))
        return 0;
       else
	return 1;
      ]]),
      [have_nan_isoc="yes"],
      [have_nan_isoc="no"]
    )
  )
  if test "x$have_nan_isoc" = "xyes"
  then
    nan_type="isoc99"
  fi
fi
if test "x$nan_type" = "xnone"; then
  AC_CACHE_CHECK([whether NAN can be defined by 0/0],
    [have_nan_zero],
    AC_RUN_IFELSE(
      AC_LANG_PROGRAM(
      [[
#include <stdlib.h>
#include <math.h>
#ifdef NAN
# undef NAN
#endif
#define NAN (0.0 / 0.0)
#ifndef isnan
# define isnan(f) ((f) != (f))
#endif
static float foo = NAN;
      ]],
      [[
       if (isnan (foo))
        return 0;
       else
	return 1;
      ]]),
      [have_nan_zero="yes"],
      [have_nan_zero="no"]
    )
  )
  if test "x$have_nan_zero" = "xyes"
  then
    nan_type="zero"
  fi
fi

if test "x$nan_type" = "xdefault"; then
  AC_DEFINE(NAN_STATIC_DEFAULT, 1,
    [Define if NAN is defined by default and can initialize static variables.])
else if test "x$nan_type" = "xisoc99"; then
  AC_DEFINE(NAN_STATIC_ISOC, 1,
    [Define if NAN is defined by __USE_ISOC99 and can initialize static variables.])
else if test "x$nan_type" = "xzero"; then
  AC_DEFINE(NAN_ZERO_ZERO, 1,
    [Define if NAN can be defined as (0.0 / 0.0)])
else
  AC_MSG_ERROR([Didn't find out how to statically initialize variables to NAN. Sorry.])
fi; fi; fi

# For mount interface
#AC_CHECK_FUNCS(getfsent getvfsent)

have_getfsstat="no"
AC_CHECK_FUNCS(getfsstat, [have_getfsstat="yes"])
have_getvfsstat="no"
AC_CHECK_FUNCS(getvfsstat, [have_getvfsstat="yes"])
have_listmntent="no"
AC_CHECK_FUNCS(listmntent, [have_listmntent="yes"])

have_getmntent="no"
AC_CHECK_FUNCS(getmntent, [have_getmntent="c"])
if test "x$have_getmntent" = "xno"; then
	AC_CHECK_LIB(sun, getmntent, [have_getmntent="sun"])
fi
if test "x$have_getmntent" = "xno"; then
	AC_CHECK_LIB(seq, getmntent, [have_getmntent="seq"])
fi
if test "x$have_getmntent" = "xno"; then
	AC_CHECK_LIB(gen, getmntent, [have_getmntent="gen"])
fi

if test "x$have_getmntent" = "xc"; then
	AC_CACHE_CHECK([whether getmntent takes one argument],
		[have_one_getmntent],
		AC_COMPILE_IFELSE(
			AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
#include <mntent.h>
#include "$srcdir/src/utils_mount.h"]],
				[[
				 FILE *fh;
				 struct mntent *me;
				 fh = setmntent ("/etc/mtab", "r");
				 me = getmntent (fh);
				]]
			),
			[have_one_getmntent="yes"],
			[have_one_getmntent="no"]
		)
	)
	AC_CACHE_CHECK([whether getmntent takes two arguments],
		[have_two_getmntent],
		AC_COMPILE_IFELSE(
			AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
#include <sys/mnttab.h>
#include "$srcdir/src/utils_mount.h"]],
				[[
				 FILE *fh;
				 struct mnttab mt;
				 int status;
				 fh = fopen ("/etc/mnttab", "r");
				 status = getmntent (fh, &mt);
				]]
			),
			[have_two_getmntent="yes"],
			[have_two_getmntent="no"]
		)
	)
fi

# Check for different versions of `getmntent' here..

if test "x$have_getmntent" = "xc"; then
	if test "x$have_one_getmntent" = "xyes"; then
		AC_DEFINE(HAVE_ONE_GETMNTENT, 1,
			  [Define if the function getmntent exists and takes one argument.])
	fi
	if test "x$have_two_getmntent" = "xyes"; then
		AC_DEFINE(HAVE_TWO_GETMNTENT, 1,
			  [Define if the function getmntent exists and takes two arguments.])
	fi
fi
if test "x$have_getmntent" = "xsun"; then
	AC_DEFINE(HAVE_SUN_GETMNTENT, 1,
		  [Define if the function getmntent exists. It's the version from libsun.])
fi
if test "x$have_getmntent" = "xseq"; then
	AC_DEFINE(HAVE_SEQ_GETMNTENT, 1,
		  [Define if the function getmntent exists. It's the version from libseq.])
fi
if test "x$have_getmntent" = "xgen"; then
	AC_DEFINE(HAVE_GEN_GETMNTENT, 1,
		  [Define if the function getmntent exists. It's the version from libgen.])
fi

# Check for structures
AC_CHECK_MEMBERS([struct if_data.ifi_ibytes, struct if_data.ifi_opackets, struct if_data.ifi_ierrors],
	[AC_DEFINE(HAVE_STRUCT_IF_DATA, 1, [Define if struct if_data exists and is usable.])],
	[],
	[
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <net/if.h>
	])
AC_CHECK_MEMBERS([struct net_device_stats.rx_bytes, struct net_device_stats.tx_packets, struct net_device_stats.rx_errors],
	[AC_DEFINE(HAVE_STRUCT_NET_DEVICE_STATS, 1, [Define if struct net_device_stats exists and is usable.])],
	[],
	[
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <linux/if.h>
	#include <linux/netdevice.h>
	])

AC_CHECK_MEMBERS([struct udphdr.uh_dport, struct udphdr.uh_sport], [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
#if HAVE_NETINET_UDP_H
# include <netinet/udp.h>
#endif
])
AC_CHECK_MEMBERS([struct udphdr.dest, struct udphdr.source], [], [],
[#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
#if HAVE_NETINET_UDP_H
# include <netinet/udp.h>
#endif
])

AC_CHECK_MEMBERS([kstat_io_t.nwritten, kstat_io_t.writes, kstat_io_t.nwrites, kstat_io_t.wtime],
	[],
	[],
	[
#if HAVE_KSTAT_H
# include <kstat.h>
#endif
	])

with_libresolv="yes"
AC_CHECK_LIB(resolv, res_search,
[
	AC_DEFINE(HAVE_LIBRESOLV, 1, [Define to 1 if you have the 'resolv' library (-lresolv).])
],
[with_libresolv="no"])
AM_CONDITIONAL(BUILD_WITH_LIBRESOLV, test "x$with_libresolv" = "xyes")


m4_divert_once([HELP_WITH], [
collectd additional packages:])

# AC_ARG_WITH (package, help-string, [action-if-given], [action-if-not-given])
AC_ARG_WITH(rrdtool, [AS_HELP_STRING([--with-rrdtool@<:@=PREFIX@:>@], [Path to rrdtool.])],
[	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_rrdtool="yes"
	fi
], [with_rrdtool="yes"])
if test "x$with_rrdtool" = "xyes"
then
	AC_CHECK_LIB(rrd, rrd_update,
	[
		AC_DEFINE(HAVE_LIBRRD, 1, [Define to 1 if you have the rrd library (-lrrd).])
	],
	[with_rrdtool="no (librrd not found)"], [-lm])
fi
if test "x$with_rrdtool" = "xyes"
then
	AC_CHECK_HEADERS(rrd.h,, [with_rrdtool="no (rrd.h not found)"])
fi
if test "x$with_rrdtool" = "xyes"
then
	collect_rrdtool=1
else
	collect_rrdtool=0
fi
AC_DEFINE_UNQUOTED(COLLECT_RRDTOOL, [$collect_rrdtool],
	[Wether or not to use rrdtool library])
AM_CONDITIONAL(BUILD_WITH_RRDTOOL, test "x$with_rrdtool" = "xyes")

AC_ARG_WITH(libpthread, [AS_HELP_STRING([--with-libpthread=@<:@=PREFIX@:>@], [Path to libpthread.])],
[	if test "x$withval" != "xno" -a "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_libpthread="yes"
	else
		if test "x$withval" = "xno"
		then
			with_libpthread="no (disabled)"
		fi
	fi
], [with_libpthread="yes"])
if test "x$with_libpthread" = "xyes"
then
	AC_CHECK_LIB(pthread, pthread_create, [with_libpthread="yes"], [with_libpthread="no (libpthread not found)"], [])
fi
if test "x$with_libpthread" = "xyes"
then
	AC_CHECK_HEADERS(pthread.h,, [with_libpthread="no (pthread.h not found)"])
fi
if test "x$with_libpthread" = "xyes"
then
	collect_pthread=1
else
	collect_pthread=0
fi
AC_DEFINE_UNQUOTED(HAVE_LIBPTHREAD, [$collect_pthread],
	[Wether or not to use pthread (POSIX threads) library])
AM_CONDITIONAL(BUILD_WITH_LIBPTHREAD, test "x$with_libpthread" = "xyes")

if test "x$ac_system" = "xSolaris"
then
	with_kstat="yes"
	with_devinfo="yes"
else
	with_kstat="no (Solaris only)"
	with_devinfo="no (Solaris only)"
fi

if test "x$with_kstat" = "xyes"
then
	AC_CHECK_LIB(kstat, kstat_open, [with_kstat="yes"], [with_kstat="no (libkstat not found)"], [])
fi
if test "x$with_kstat" = "xyes"
then
	AC_CHECK_LIB(devinfo, di_init, [with_devinfo="yes"], [with_devinfo="no (not found)"], [])
	AC_CHECK_HEADERS(kstat.h,, [with_kstat="no (kstat.h not found)"])
fi
if test "x$with_kstat" = "xyes"
then
	AC_DEFINE(HAVE_LIBKSTAT, 1,
		  [Define to 1 if you have the 'kstat' library (-lkstat)])
fi
AM_CONDITIONAL(BUILD_WITH_LIBKSTAT, test "x$with_kstat" = "xyes")
AM_CONDITIONAL(BUILD_WITH_LIBDEVINFO, test "x$with_devinfo" = "xyes")

### BEGIN of check for libcurl ###
with_curl_config="curl-config"
with_curl_cflags=""
with_curl_libs=""
AC_ARG_WITH(libcurl, [AS_HELP_STRING([--with-libcurl@<:@=PREFIX@:>@], [Path to libcurl.])],
[
	if test "x$withval" = "xno"
	then
		with_libcurl="no"
	else if test "x$withval" = "xyes"
	then
		with_libcurl="yes"
	else
		if test -x "$withval"
		then
			with_curl_config="$withval"
		else if test -x "$withval/bin/curl-config"
		then
			with_curl_config="$withval/bin/curl-config"
		fi; fi
	fi; fi
],
[
	with_libcurl="yes"
])
if test "x$with_libcurl" = "xyes"
then
	with_curl_cflags=`$with_curl_config --cflags 2>/dev/null`
	curl_config_status=$?

	if test $curl_config_status -ne 0
	then
		with_libcurl="no ($with_curl_config failed)"
	else
		SAVE_CFLAGS=$CFLAGS
		CFLAGS="$CFLAGS $with_curl_cflags"

		AC_CHECK_HEADERS(curl/curl.h, [], [with_libcurl="no (curl/curl.h not found)"], [])

		CFLAGS="$SAVE_CFLAGS"
	fi
fi
if test "x$with_libcurl" = "xyes"
then
	with_curl_libs=`$with_curl_config --libs 2>/dev/null`
	curl_config_status=$?

	if test $curl_config_status -ne 0
	then
		with_libcurl="no ($with_curl_config failed)"
	else
		AC_CHECK_LIB(curl, curl_easy_init,
		 [with_libcurl="yes"],
		 [with_libcurl="no (symbol 'curl_easy_init' not found)"],
		 [$with_curl_libs])
	fi
fi
if test "x$with_libcurl" = "xyes"
then
	BUILD_WITH_LIBCURL_CFLAGS="$with_curl_cflags"
	BUILD_WITH_LIBCURL_LIBS="$with_curl_libs"
	AC_SUBST(BUILD_WITH_LIBCURL_CFLAGS)
	AC_SUBST(BUILD_WITH_LIBCURL_LIBS)
fi
AM_CONDITIONAL(BUILD_WITH_LIBCURL, test "x$with_libcurl" = "xyes")
### END of check for libcurl ###

with_libiokit="no"
collectd_libiokit=0
AC_CHECK_LIB(IOKit, IOServiceGetMatchingServices,
[
	with_libiokit="yes"
	collectd_libiokit=1
], 
[
	with_libiokit="no"
	collectd_libiokit=0
])
AC_DEFINE_UNQUOTED(COLLECT_LIBIOKIT, [$collect_libiokit], [Wether or not to use the IOKit library])
AM_CONDITIONAL(BUILD_WITH_LIBIOKIT, test "x$with_libiokit" = "xyes")

with_libstatgrab="yes"
with_libdevstat="no"
AC_ARG_WITH(libstatgrab, [AS_HELP_STRING([--with-libstatgrab@<:@=PREFIX@:>@], [Path to libstatgrab.])],
[
	if test "x$withval" != "xno" -a "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_libstatgrab="yes"
	fi
],
[
	if test "x$ac_system" == "xunknown"
	then
		with_libstatgrab="yes"
	else
		with_libstatgrab="no"
	fi
])
if test "x$with_libstatgrab" = "xyes"
then
	AC_CHECK_LIB(statgrab, sg_init, [with_libstatgrab="yes"], [with_libstatgrab="no (libstatgrab not found)"])
fi
if test "x$with_libstatgrab" = "xyes"
then
	AC_CHECK_HEADERS(statgrab.h,,    [with_libstatgrab="no (statgrab.h not found)"])
fi
if test "x$with_libstatgrab" = "xyes"
then
	AC_CHECK_LIB(devstat, getdevs, [with_libdevstat="yes"], [with_libdevstat="no"])
fi
if test "x$with_libstatgrab" = "xyes"
then
	collect_libstatgrab=1
else
	collect_libstatgrab=0
fi
AC_DEFINE_UNQUOTED(COLLECT_LIBSTATGRAB, [$collect_libstatgrab],
	[Wether or not to use statgrab library])
AM_CONDITIONAL(BUILD_WITH_LIBSTATGRAB, test "x$with_libstatgrab" = "xyes")
AM_CONDITIONAL(BUILD_WITH_LIBDEVSTAT,  test "x$with_libdevstat"  = "xyes")

AC_CHECK_LIB(kvm, kvm_getswapinfo, [with_libkvm="yes"], [with_libkvm="no"])
if test "x$with_libkvm" = "xyes"
then
	AC_DEFINE(HAVE_LIBKVM, 1, [Define to 1 if you have the 'kvm' library (-lkvm)])
fi
AM_CONDITIONAL(BUILD_WITH_LIBKVM, test "x$with_libkvm" = "xyes")

AC_ARG_WITH(lm-sensors, [AS_HELP_STRING([--with-lm-sensors@<:@=PREFIX@:>@], [Path to lm_sensors.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_lm_sensors="yes"
	fi
],
[
	if test "x$ac_system" = "xLinux"
	then
		with_lm_sensors="yes"
	else
		with_lm_sensors="no (Linux only library)"
	fi
])
if test "x$with_lm_sensors" = "xyes"
then
	AC_CHECK_LIB(sensors, sensors_init,
	[
		AC_DEFINE(HAVE_LIBSENSORS, 1, [Define to 1 if you have the sensors library (-lsensors).])
	],
	[with_lm_sensors="no (libsensors not found)"])
fi
if test "x$with_lm_sensors" = "xyes"
then
	AC_CHECK_HEADERS(sensors/sensors.h,
	[
		AC_DEFINE(HAVE_SENSORS_SENSORS_H, 1, [Define to 1 if you have the <sensors/sensors.h> header file.])
	],
	[with_lm_sensors="no (sensors/sensors.h not found)"])
fi
if test "x$with_lm_sensors" = "xyes"
then
	collect_lm_sensors=1
else
	collect_lm_sensors=0
fi
AC_DEFINE_UNQUOTED(COLLECT_LM_SENSORS, [$collect_lm_sensors],
	[Wether or not to use sensors library])
AM_CONDITIONAL(BUILD_WITH_LM_SENSORS, test "x$with_lm_sensors" = "xyes")

with_mysql_config="mysql_config"
with_mysql_cflags=""
with_mysql_libs=""
AC_ARG_WITH(libmysql, [AS_HELP_STRING([--with-libmysql@<:@=PREFIX@:>@], [Path to libmysql.])],
[
	if test "x$withval" = "xno"
	then
		with_libmysql="no"
	else if test "x$withval" = "xyes"
	then
		with_libmysql="yes"
	else
		if test -x "$withval";
		then
			with_mysql_config="$withval"
		else if test -x "$withval/bin/mysql_config"
		then
			with_mysql_config="$withval/bin/mysql_config"
		fi; fi
	fi; fi
],
[
	with_libmysql="yes"
])
if test "x$with_libmysql" = "xyes"
then
	with_mysql_cflags=`$with_mysql_config --cflags 2>/dev/null`
	mysql_config_status=$?

	if test $mysql_config_status -ne 0
	then
		with_libmysql="no"
	else
		SAVE_CFLAGS=$CFLAGS
		CFLAGS="$CFLAGS $with_mysql_cflags"

		AC_CHECK_HEADERS(mysql/mysql.h, [], [with_libmysql="no (mysql/mysql.h not found)"], [])

		CFLAGS="$SAVE_CFLAGS"
	fi
fi
if test "x$with_libmysql" = "xyes"
then
	with_mysql_libs=`$with_mysql_config --libs 2>/dev/null`
	mysql_config_status=$?

	if test $mysql_config_status -ne 0
	then
		with_libmysql="no"
	else
		AC_CHECK_LIB(mysqlclient, mysql_init,
		 [with_libmysql="yes"],
		 [with_libmysql="no (symbol 'mysql_init' not found)"],
		 [$with_mysql_libs])
	fi
fi
if test "x$with_libmysql" = "xyes"
then
	BUILD_WITH_LIBMYSQL_CFLAGS="$with_mysql_cflags"
	BUILD_WITH_LIBMYSQL_LIBS="$with_mysql_libs"
	AC_SUBST(BUILD_WITH_LIBMYSQL_CFLAGS)
	AC_SUBST(BUILD_WITH_LIBMYSQL_LIBS)
fi
AM_CONDITIONAL(BUILD_WITH_LIBMYSQL, test "x$with_libmysql" = "xyes")

with_own_liboconfig="no"
liboconfig_LDFLAGS="$LDFLAGS"
liboconfig_CPPFLAGS="$CPPFLAGS"
AC_ARG_WITH(liboconfig, [AS_HELP_STRING([--with-liboconfig@<:@=PREFIX@:>@], [Path to liboconfig.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		if test -d "$withval/lib"
		then
			liboconfig_LDFLAGS="$LDFLAGS -L$withval/lib"
		fi
		if test -d "$withval/include"
		then
			liboconfig_CPPFLAGS="$CPPFLAGS -I$withval/include"
		fi
	fi
	if test "x$withval" = "xno"
	then
		AC_MSG_ERROR("liboconfig is required")
	fi
],
[
	with_liboconfig="yes"
])

save_LDFLAGS="$LDFLAGS"
save_CPPFLAGS="$CPPFLAGS"
LDFLAGS="$liboconfig_LDFLAGS"
CPPFLAGS="$liboconfig_CPPFLAGS"
AC_CHECK_LIB(oconfig, oconfig_parse_fh,
[
	with_liboconfig="yes"
	with_own_liboconfig="no"
],
[
	with_liboconfig="yes"
	with_own_liboconfig="yes"
	LDFLAGS="$save_LDFLAGS"
	CPPFLAGS="$save_CPPFLAGS"
])

AM_CONDITIONAL(BUILD_WITH_OWN_LIBOCONFIG, test "x$with_own_liboconfig" = "xyes")
if test "x$with_own_liboconfig" = "xyes"
then
	with_liboconfig="yes (shipped version)"
fi

#with_liboping="yes"
with_own_liboping="no"
liboping_LDFLAGS="$LDFLAGS"
liboping_CPPFLAGS="$CPPFLAGS"
AC_ARG_WITH(liboping, [AS_HELP_STRING([--with-liboping@<:@=PREFIX@:>@], [Path to liboping.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		if test -d "$withval/lib"
		then
			liboping_LDFLAGS="$LDFLAGS -L$withval/lib"
		fi
		if test -d "$withval/include"
		then
			liboping_CPPFLAGS="$CPPFLAGS -I$withval/include"
		fi
	fi
	if test "x$withval" = "xno"
	then
		with_liboping="no"
		with_own_liboping="no"
	fi
],
[
 	#753
	with_liboping="yes"
])

if test "x$with_liboping" = "xyes"
then
	save_LDFLAGS="$LDFLAGS"
	save_CPPFLAGS="$CPPFLAGS"
	LDFLAGS="$liboping_LDFLAGS"
	CPPFLAGS="$liboping_CPPFLAGS"
	AC_CHECK_LIB(oping, ping_construct,
	[
		with_liboping="yes"
		with_own_liboping="no"
	],
	[
		with_liboping="yes"
		with_own_liboping="yes"
		LDFLAGS="$save_LDFLAGS"
		CPPFLAGS="$save_CPPFLAGS"
	])
fi
AM_CONDITIONAL(BUILD_WITH_LIBOPING, test "x$with_liboping" = "xyes")
AM_CONDITIONAL(BUILD_WITH_OWN_LIBOPING, test "x$with_own_liboping" = "xyes")

AC_ARG_WITH(libpcap, [AS_HELP_STRING([--with-libpcap@<:@=PREFIX@:>@], [Path to libpcap.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_libpcap="yes"
	fi
],
[
	with_libpcap="yes"
])
if test "x$with_libpcap" = "xyes"
then
	AC_CHECK_LIB(pcap, pcap_open_live,
	[
		AC_DEFINE(HAVE_LIBPCAP, 1, [Define to 1 if you have the pcap library (-lpcap).])
	], [with_libpcap="no (libpcap not found)"])
fi
if test "x$with_libpcap" = "xyes"
then
	AC_CHECK_HEADERS(pcap.h,
	[
		AC_DEFINE(HAVE_PCAP_H, 1, [Define to 1 if you have the <pcap.h> header file.])
	], [with_libpcap="no (pcap.h not found)"])
fi
if test "x$with_libpcap" = "xyes"
then
	collect_libpcap=1
else
	collect_libpcap=0
fi
AC_DEFINE_UNQUOTED(COLLECT_LIBPCAP, [$collect_libpcap],
	[Wether or not to use the pcap library])
AM_CONDITIONAL(BUILD_WITH_LIBPCAP, test "x$with_libpcap" = "xyes")

perl_interpreter="perl"
AC_ARG_WITH(libperl, [AS_HELP_STRING([--with-libperl@<:@=PREFIX@:>@], [Path to libperl.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		perl_interpreter="$withval/bin/perl"
		with_libperl="yes"
	fi
],
[
	with_libperl="yes"
])
if test "x$with_libperl" = "xyes"
then
  SAVE_CFLAGS=$CFLAGS
  SAVE_LDFLAGS=$LDFLAGS
  PERL_CFLAGS=`$perl_interpreter -MExtUtils::Embed -e ccopts`
  PERL_LDFLAGS=`$perl_interpreter -MExtUtils::Embed -e ldopts`
  CFLAGS="$CFLAGS $PERL_CFLAGS"
  LDFLAGS="$LDFLAGS $PERL_LDFLAGS"

  AC_CACHE_CHECK([for libperl],
    [have_libperl],
    AC_LINK_IFELSE(
      AC_LANG_PROGRAM(
      [[
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
      ]],
      [[
       PerlInterpreter *perl = NULL;
       Perl_load_module (perl, PERL_LOADMOD_NOIMPORT,
			 newSVpv ("Collectd::Plugin::FooBar", 24),
			 Nullsv);
      ]]),
      [have_libperl="yes"],
      [have_libperl="no"]
    )
  )

  if test "x$have_libperl" = "xyes"
  then
	  AC_DEFINE(HAVE_LIBPERL, 1, [Define if libperl is present and usable.])
	  AC_SUBST(PERL_CFLAGS)
	  AC_SUBST(PERL_LDFLAGS)
  else
	  with_libperl="no"
  fi

  CFLAGS=$SAVE_CFLAGS
  LDFLAGS=$SAVE_LDFLAGS
fi
AM_CONDITIONAL(BUILD_WITH_LIBPERL, test "x$with_libperl" = "xyes")

AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to libiptc.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_libiptc="yes"
	fi
],
[
 	if test "x$ac_system" = "xLinux"
	then
		with_libiptc="yes"
	else
		with_libiptc="no (Linux only)"
	fi
])
if test "x$with_libiptc" = "xyes"
then
	AC_CHECK_LIB(iptc, iptc_init,
	[
		AC_DEFINE(HAVE_LIBIPTC, 1, [Define to 1 if you have the iptc library (-liptc).])
	], [with_libiptc="no (libiptc not found)"])
fi
if test "x$with_libiptc" = "xyes"
then
	AC_CHECK_HEADERS(libiptc/libiptc.h,
	[
		AC_DEFINE(HAVE_LIBIPTC_LIBIPTC_H, 1, [Define to 1 if you have the <libiptc/libiptc.h> header file.])
	], [with_libiptc="no (libiptc/libiptc.h not found)"])
fi
if test "x$with_libiptc" = "xyes"
then
	collect_libiptc=1
else
	collect_libiptc=0
fi
AM_CONDITIONAL(BUILD_WITH_LIBIPTC, test "x$with_libiptc" = "xyes")

AC_ARG_WITH(libnetsnmp, [AS_HELP_STRING([--with-libnetsnmp@<:@=PREFIX@:>@], [Path to the Net-SNMPD library.])],
[
	if test "x$withval" != "xno" && test "x$withval" != "xyes"
	then
		LDFLAGS="$LDFLAGS -L$withval/lib"
		CPPFLAGS="$CPPFLAGS -I$withval/include"
		with_libnetsnmp="yes"
	fi
],
[with_libnetsnmp="yes"])
if test "x$with_libnetsnmp" = "xyes"
then
	AC_CHECK_LIB(netsnmp, init_snmp,
	[
		AC_DEFINE(HAVE_LIBSNMP, 1, [Define to 1 if you have the Net-SNMP library (-lnetsnmp).])
	], [with_libnetsnmp="no (libnetsnmp not found)"])
fi
if test "x$with_libnetsnmp" = "xyes"
then
	AC_CHECK_HEADERS(net-snmp/net-snmp-config.h,
	[
		AC_DEFINE(HAVE_NET_SNMP_NET_SNMP_CONFIG_H, 1, [Define to 1 if you have the <net-snmp/net-snmp-config.h> header file.])
	], [with_libnetsnmp="no (net-snmp/net-snmp-config.h not found)"])
fi
AM_CONDITIONAL(BUILD_WITH_LIBNETSNMP, test "x$with_libnetsnmp" = "xyes")

with_upsclient_config="libupsclient-config"
with_upsclient_cflags=""
with_upsclient_libs=""
AC_ARG_WITH(libupsclient, [AS_HELP_STRING([--with-libupsclient@<:@=PREFIX@:>@], [Path to libupsclient.])],
[
	if test "x$withval" = "xno"
	then
		with_libupsclient="no"
	else
		with_libupsclient="yes"
		if test "x$withval" != "xyes"
		then
			if test -x "$withval"
			then
				with_upsclient_config="$withval"
			else
				with_upsclient_config="$withval/bin/libupsclient-config"
			fi
		fi
	fi
],
[
	with_libupsclient="yes"
])
if test "x$with_libupsclient" = "xyes"
then
	with_upsclient_cflags=`$with_upsclient_config --cflags 2>/dev/null`
	upsclient_config_status=$?

	if test $upsclient_config_status -ne 0
	then
		with_libupsclient="no ($with_upsclient_config failed)"
	fi
fi
if test "x$with_libupsclient" = "xyes"
then
	SAVE_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $with_upsclient_cflags"

	AC_CHECK_HEADERS(upsclient.h, [], [with_libupsclient="no (upsclient.h not found)"])

	CFLAGS="$SAVE_CFLAGS"
fi
if test "x$with_libupsclient" = "xyes"
then
	with_upsclient_libs=`$with_upsclient_config --libs 2>/dev/null`
	upsclient_config_status=$?

	if test $upsclient_config_status -ne 0
	then
		with_libupsclient="no ($with_upsclient_config failed)"
	fi
fi
if test "x$with_libupsclient" = "xyes"
then
	AC_CHECK_LIB(upsclient, upscli_connect,
	[
		BUILD_WITH_LIBUPSCLIENT_CFLAGS="$with_upsclient_cflags"
		BUILD_WITH_LIBUPSCLIENT_LIBS="$with_upsclient_libs"
		AC_SUBST(BUILD_WITH_LIBUPSCLIENT_CFLAGS)
		AC_SUBST(BUILD_WITH_LIBUPSCLIENT_LIBS)
	],
	[
		with_libupsclient="no (symbol 'upscli_connect' not found)"
	], [$with_upsclient_libs])
fi
if test "x$with_libupsclient" = "xyes"
then
	AC_CHECK_TYPES([UPSCONN_t, UPSCONN], [], [], 
[#include <stdlib.h>
#include <stdio.h>
#include <upsclient.h>])
fi
AM_CONDITIONAL(BUILD_WITH_LIBUPSCLIENT, test "x$with_libupsclient" = "xyes")

### BEGIN of check for libxmms ###
with_xmms_config="xmms-config"
with_xmms_cflags=""
with_xmms_libs=""
AC_ARG_WITH(libxmms, [AS_HELP_STRING([--with-libxmms@<:@=PREFIX@:>@], [Path to libxmms.])],
[
	if test "x$withval" != "xno" -a "x$withval" != "xyes"
	then
		if test -x "$withval/bin/xmms-config"
		then
			with_xmms_config="$withval/bin/xmms-config"
		fi
	fi
	if test "x$withval" = "xno"
	then
		with_libxmms="no"
	else
		with_libxmms="yes"
	fi
],
[
	with_libxmms="yes"
])
if test "x$with_libxmms" = "xyes"
then
	with_xmms_cflags=`$with_xmms_config --cflags 2>/dev/null`
	xmms_config_status=$?

	if test $xmms_config_status -ne 0
	then
		with_libxmms="no"
	fi
fi
if test "x$with_libxmms" = "xyes"
then
	with_xmms_libs=`$with_xmms_config --libs 2>/dev/null`
	xmms_config_status=$?

	if test $xmms_config_status -ne 0
	then
		with_libxmms="no"
	fi
fi
if test "x$with_libxmms" = "xyes"
then
	AC_CHECK_LIB(xmms, xmms_remote_get_info,
	[
		BUILD_WITH_LIBXMMS_CFLAGS="$with_xmms_cflags"
		BUILD_WITH_LIBXMMS_LIBS="$with_xmms_libs"
		AC_SUBST(BUILD_WITH_LIBXMMS_CFLAGS)
		AC_SUBST(BUILD_WITH_LIBXMMS_LIBS)
	],
	[
		with_libxmms="no"
	],
	[$with_xmms_libs])
fi
with_libxmms_numeric=0
if test "x$with_libxmms" = "xyes"
then
	with_libxmms_numeric=1
fi
AC_DEFINE_UNQUOTED(HAVE_LIBXMMS, [$with_libxmms_numeric], [Define to 1 if you have the 'xmms' library (-lxmms).])
AM_CONDITIONAL(BUILD_WITH_LIBXMMS, test "x$with_libxmms" = "xyes")
### END of check for libxmms ###

with_libnetlink_cflags=""
with_libnetlink_libs="-lnetlink"
AC_ARG_WITH(libnetlink, [AS_HELP_STRING([--with-libnetlink@<:@=PREFIX@:>@], [Path to libnetlink.])],
[
 echo "libnetlink: withval = $withval"
 if test "x$withval" = "xyes"
 then
	 with_libnetlink="yes"
 else if test "x$withval" = "xno"
 then
	 with_libnetlink="no"
 else
	 if test -d "$withval/include"
	 then
		 with_libnetlink_cflags="-I$withval/include"
		 with_libnetlink_libs="-L$withval/lib -lnetlink"
		 with_libnetlink="yes"
	 else
		 AC_MSG_ERROR("no such directory: $withval/include")
	 fi
 fi; fi
],
[
 if test "x$ac_system" = "xLinux"
 then
	 with_libnetlink="yes"
 else
	 with_libnetlink="no (Linux only library)"
 fi
])
if test "x$with_libnetlink" = "xyes"
then
	SAVE_CFLAGS=$CFLAGS
	CFLAGS="$CFLAGS $with_libnetlink_cflags"

	with_libnetlink="no (libnetlink.h not found)"

	AC_CHECK_HEADERS(libnetlink.h iproute/libnetlink.h linux/libnetlink.h,
	[
	 with_libnetlink="yes"
	 break
	], [],
[#include <stdio.h>
#include <sys/types.h>
#include <asm/types.h>
#include <sys/socket.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>])

	CFLAGS="$SAVE_CFLAGS"
fi
if test "x$with_libnetlink" = "xyes"
then
	AC_CHECK_LIB(netlink, rtnl_open,
		     [with_libnetlink="yes"],
		     [with_libnetlink="no (symbol 'rtnl_open' not found)"],
		     [$with_libnetlink_libs])
fi
if test "x$with_libnetlink" = "xyes"
then
	BUILD_WITH_LIBNETLINK_CFLAGS="$with_libnetlink_cflags"
	BUILD_WITH_LIBNETLINK_LIBS="$with_libnetlink_libs"
	AC_SUBST(BUILD_WITH_LIBNETLINK_CFLAGS)
	AC_SUBST(BUILD_WITH_LIBNETLINK_LIBS)
fi
AM_CONDITIONAL(BUILD_WITH_LIBNETLINK, test "x$with_libnetlink" = "xyes")

# Check for enabled/disabled features
#

# AC_COLLECTD(name, enable/disable, info-text, feature/module)
# ------------------------------------------------------------
dnl
m4_define([my_toupper], [m4_translit([$1], m4_defn([m4_cr_letters]), m4_defn([m4_cr_LETTERS]))])
dnl
AC_DEFUN(
	[AC_COLLECTD],
	[
	m4_if([$1], [], [AC_FATAL([AC_COLLECTD([$1], [$2], [$3], [$4]): 1st argument must not be empty])])dnl
	m4_if(
		[$2],
		[enable],
		[dnl
		m4_define([EnDis],[disabled])dnl
		m4_define([YesNo],[no])dnl
		],dnl
		[m4_if(
			[$2],
			[disable],
			[dnl
			m4_define([EnDis],[enabled])dnl
			m4_define([YesNo],[yes])dnl
			],
			[dnl
			AC_FATAL([AC_COLLECTD([$1], [$2], [$3], [$4]): 2nd argument must be either enable or disable])dnl
			]dnl
		)]dnl
	)dnl
	m4_if([$3], [feature], [],
		[m4_if(
			[$3], [module], [],
			[dnl
			AC_FATAL([AC_COLLECTD([$1], [$2], [$3], [$4]): 3rd argument must be either feature or disable])dnl
			]dnl
		)]dnl
	)dnl
	AC_ARG_ENABLE(
		[$1],
		AS_HELP_STRING([--$2-$1], [$2 $4 (EnDis by def)]),
		[],
		enable_$1='[YesNo]'dnl
	)# AC_ARG_ENABLE
if test "x$enable_$1" = "xno"
then
	collectd_$1=0
else
	if test "x$enable_$1" = "xyes"
	then
		collectd_$1=1
	else
		AC_MSG_NOTICE([please specify either --enable-$1 or --disable-$1; enabling $1.])
		collectd_$1=1
		enable_$1='yes'
	fi
fi
	AC_DEFINE_UNQUOTED([COLLECT_]my_toupper([$1]), [$collectd_$1], [wether or not to enable $3 $4])
	AM_CONDITIONAL([BUILD_]my_toupper([$3])[_]my_toupper([$1]), [test "x$enable_$1" = "xyes"])dnl
	]dnl
)# AC_COLLECTD(name, enable/disable, info-text, feature/module)

# AC_PLUGIN(name, default, info)
# ------------------------------------------------------------
dnl
AC_DEFUN(
  [AC_PLUGIN],
  [
    enable_plugin="no"
    AC_ARG_ENABLE([$1], AC_HELP_STRING([--enable-$1], [$3]),
    [
     if test "x$enableval" = "xyes"
     then
	     enable_plugin="yes"
     else
	     enable_plugin="no"
     fi
    ],
    [
     if test "x$2" = "xyes"
     then
	     enable_plugin="yes"
     else
	     enable_plugin="no"
     fi
    ])
    if test "x$enable_plugin" = "xyes"
    then
	    AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
    fi
    AM_CONDITIONAL([BUILD_PLUGIN_]my_toupper([$1]), test "x$enable_plugin" = "xyes")
    enable_$1="$enable_plugin"
  ]
)# AC_PLUGIN(name, default, info)

m4_divert_once([HELP_ENABLE], [
collectd features:])
# FIXME: Remove these calls to `AC_COLLECTD' and then remove that macro.
AC_COLLECTD([debug],     [enable],  [feature], [debugging])
AC_COLLECTD([daemon],    [disable], [feature], [daemon mode])
AC_COLLECTD([getifaddrs],[enable],  [feature], [getifaddrs under Linux])

plugin_battery="no"
plugin_cpu="no"
plugin_cpufreq="no"
plugin_df="no"
plugin_disk="no"
plugin_entropy="no"
plugin_interface="no"
plugin_irq="no"
plugin_load="no"
plugin_memory="no"
plugin_multimeter="no"
plugin_nfs="no"
plugin_processes="no"
plugin_serial="no"
plugin_swap="no"
plugin_tape="no"
plugin_users="no"
plugin_vserver="no"
plugin_wireless="no"

# Linux
if test "x$ac_system" = "xLinux"
then
	plugin_battery="yes"
	plugin_cpu="yes"
	plugin_cpufreq="yes"
	plugin_disk="yes"
	plugin_entropy="yes"
	plugin_interface="yes"
	plugin_irq="yes"
	plugin_load="yes"
	plugin_memory="yes"
	plugin_nfs="yes"
	plugin_processes="yes"
	plugin_serial="yes"
	plugin_swap="yes"
	plugin_vserver="yes"
	plugin_wireless="yes"
fi

# Mac OS X devices
if test "x$with_libiokit" = "xyes"
then
	plugin_battery="yes"
	plugin_disk="yes"
fi

# Solaris
if test "x$with_devinfo$with_kstat" = "xyesyes"
then
	plugin_cpu="yes"
	plugin_disk="yes"
	plugin_interface="yes"
	plugin_memory="yes"
	plugin_swap="yes"
	plugin_tape="yes"
fi

# libstatgrab
if test "x$with_libstatgrab" = "xyes"
then
	plugin_interface="yes"
	plugin_load="yes"
	plugin_memory="yes"
	plugin_swap="yes"
fi

if test "x$have_processor_info" = "xyes"
then
	plugin_cpu="yes"
fi
if test "x$have_sysctlbyname" = "xyes"
then
	plugin_cpu="yes"
	plugin_memory="yes"
fi

if test "x$have_statfs" = "xyes"
then
	plugin_df="yes"
fi
if test "x$have_statvfs" = "xyes"
then
	plugin_df="yes"
fi

if test "x$have_getifaddrs" = "xyes"
then
	plugin_interface="yes"
fi

if test "x$have_getloadavg" = "xyes"
then
	plugin_load="yes"
fi

# Mac OS X memory interface
if test "x$have_host_statistics" = "xyes"
then
	plugin_memory="yes"
fi

if test "x$have_termios_h" = "xyes"
then
	plugin_multimeter="yes"
fi

if test "x$have_thread_info" = "xyes"
then
	plugin_processes="yes"
fi

if test "x$with_libkvm" = "xyes"
then
	plugin_swap="yes"
fi

if test "x$have_getutent" = "xyes"
then
	plugin_users="yes"
fi
if test "x$have_getutxent" = "xyes"
then
	plugin_users="yes"
fi

# FIXME: sysctl for swap plugin

m4_divert_once([HELP_ENABLE], [
collectd plugins:])

AC_PLUGIN([apache],      [$with_libcurl],      [Apache httpd statistics])
AC_PLUGIN([apcups],      [yes],                [Statistics of UPSes by APC])
AC_PLUGIN([apple_sensors], [$with_libiokit],   [Apple's hardware sensors])
AC_PLUGIN([battery],     [$plugin_battery],    [Battery statistics])
AC_PLUGIN([cpu],         [$plugin_cpu],        [CPU usage statistics])
AC_PLUGIN([cpufreq],     [$plugin_cpufreq],    [CPU frequency statistics])
AC_PLUGIN([csv],         [yes],                [CSV output plugin])
AC_PLUGIN([df],          [$plugin_df],         [Filesystem usage statistics])
AC_PLUGIN([disk],        [$plugin_disk],       [Disk usage statistics])
AC_PLUGIN([dns],         [$with_libpcap],      [DNS traffic analysis])
AC_PLUGIN([email],       [yes],                [EMail statistics])
AC_PLUGIN([entropy],     [$plugin_entropy],    [Entropy statistics])
AC_PLUGIN([exec],        [yes],                [Execution of external programs])
AC_PLUGIN([hddtemp],     [yes],                [Query hddtempd])
AC_PLUGIN([interface],   [$plugin_interface],  [Interface traffic statistics])
AC_PLUGIN([iptables],    [$with_libiptc],      [IPTables rule counters])
AC_PLUGIN([irq],         [$plugin_irq],        [IRQ statistics])
AC_PLUGIN([load],        [$plugin_load],       [System load])
AC_PLUGIN([logfile],     [yes],                [File logging plugin])
AC_PLUGIN([mbmon],       [yes],                [Query mbmond])
AC_PLUGIN([memory],      [$plugin_memory],     [Memory usage])
AC_PLUGIN([multimeter],  [$plugin_multimeter], [Read multimeter values])
AC_PLUGIN([mysql],       [$with_libmysql],     [MySQL statistics])
AC_PLUGIN([netlink],     [$with_libnetlink],   [Enhanced Linux network statistics])
AC_PLUGIN([network],     [yes],                [Network communication plugin])
AC_PLUGIN([nfs],         [$plugin_nfs],        [NFS statistics])
AC_PLUGIN([ntpd],        [yes],                [NTPd statistics])
AC_PLUGIN([nut],         [$with_libupsclient], [Network UPS tools statistics])
AC_PLUGIN([perl],        [$with_libperl],      [Embed a Perl interpreter])
AC_PLUGIN([ping],        [$with_liboping],     [Network latency statistics])
AC_PLUGIN([processes],   [$plugin_processes],  [Process statistics])
AC_PLUGIN([rrdtool],     [$with_rrdtool],      [RRDTool output plugin])
AC_PLUGIN([sensors],     [$with_lm_sensors],   [lm_sensors statistics])
AC_PLUGIN([serial],      [$plugin_serial],     [serial port traffic])
AC_PLUGIN([snmp],        [$with_libnetsnmp],   [SNMP querying plugin])
AC_PLUGIN([swap],        [$plugin_swap],       [Swap usage statistics])
AC_PLUGIN([syslog],      [$have_syslog],       [Syslog logging plugin])
AC_PLUGIN([tape],        [$plugin_tape],       [Tape drive statistics])
AC_PLUGIN([unixsock],    [yes],                [Unixsock communication plugin])
AC_PLUGIN([users],       [$plugin_users],      [User statistics])
AC_PLUGIN([vserver],     [$plugin_vserver],    [Linux VServer statistics])
AC_PLUGIN([wireless],    [$plugin_wireless],   [Wireless statistics])
AC_PLUGIN([xmms],        [$with_libxmms],      [XMMS statistics])

AC_OUTPUT(Makefile src/Makefile src/collectd.conf src/liboconfig/Makefile src/liboping/Makefile)

if test "x$with_liboping" = "xyes" -a "x$with_own_liboping" = "xyes"
then
	with_liboping="yes (shipped version)"
fi

if test "x$with_libperl" = "xyes"
then
	with_libperl="yes (version `perl -MConfig -e 'print $Config{version};'`)"
else
	enable_perl="no (needs libperl)"
fi

cat <<EOF;

Configuration:
  Libraries:
    libcurl . . . . . . $with_libcurl
    libiokit  . . . . . $with_libiokit
    libiptc . . . . . . $with_libiptc
    libkstat  . . . . . $with_kstat
    libkvm  . . . . . . $with_libkvm
    libmysql  . . . . . $with_libmysql
    libnetlink  . . . . $with_libnetlink
    libnetsnmp  . . . . $with_libnetsnmp
    liboconfig  . . . . $with_liboconfig
    liboping  . . . . . $with_liboping
    libpcap . . . . . . $with_libpcap
    libperl . . . . . . $with_libperl
    libpthread  . . . . $with_libpthread
    librrd  . . . . . . $with_rrdtool
    libsensors  . . . . $with_lm_sensors
    libstatgrab . . . . $with_libstatgrab
    libupsclient  . . . $with_libupsclient
    libxmms . . . . . . $with_libxmms

  Features:
    daemon mode . . . . $enable_daemon
    debug . . . . . . . $enable_debug

  Modules:
    apache  . . . . . . $enable_apache
    apcups  . . . . . . $enable_apcups
    apple_sensors . . . $enable_apple_sensors
    battery . . . . . . $enable_battery
    cpu . . . . . . . . $enable_cpu
    cpufreq . . . . . . $enable_cpufreq
    csv . . . . . . . . $enable_csv
    df  . . . . . . . . $enable_df
    disk  . . . . . . . $enable_disk
    dns . . . . . . . . $enable_dns
    email . . . . . . . $enable_email
    entropy . . . . . . $enable_entropy
    exec  . . . . . . . $enable_exec
    hddtemp . . . . . . $enable_hddtemp
    interface . . . . . $enable_interface
    iptables  . . . . . $enable_iptables
    irq . . . . . . . . $enable_irq
    load  . . . . . . . $enable_load
    logfile . . . . . . $enable_logfile
    mbmon . . . . . . . $enable_mbmon
    memory  . . . . . . $enable_memory
    multimeter  . . . . $enable_multimeter
    mysql . . . . . . . $enable_mysql
    netlink . . . . . . $enable_netlink
    network . . . . . . $enable_network
    nfs . . . . . . . . $enable_nfs
    ntpd  . . . . . . . $enable_ntpd
    nut . . . . . . . . $enable_nut
    perl  . . . . . . . $enable_perl
    ping  . . . . . . . $enable_ping
    processes . . . . . $enable_processes
    sensors . . . . . . $enable_sensors
    serial  . . . . . . $enable_serial
    snmp  . . . . . . . $enable_snmp
    swap  . . . . . . . $enable_swap
    syslog  . . . . . . $enable_syslog
    tape  . . . . . . . $enable_tape
    unixsock  . . . . . $enable_unixsock
    users . . . . . . . $enable_users
    vserver . . . . . . $enable_vserver
    wireless  . . . . . $enable_wireless
    xmms  . . . . . . . $enable_xmms

EOF