Code

Merge branch 'collectd-4.1'
[collectd.git] / configure.in
index 97bf973739e5a0b8ae58a00fdef2f069c5b359f3..4fb42420bd4451c814f8f08310446695e2130a7b 100644 (file)
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(collectd, 4.0.4)
+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)
@@ -30,6 +30,24 @@ 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.
 #
@@ -37,7 +55,7 @@ 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)
+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, [], [],
@@ -174,14 +192,25 @@ AC_CHECK_HEADERS(netinet/udp.h, [], [],
 ])
 
 # For cpu modules
-AC_CHECK_HEADERS(sys/sysctl.h sys/dkstat.h 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(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 apple_sensors module
-AC_CHECK_HEADERS(CoreFoundation/CoreFoundation.h IOKit/IOKitLib.h IOKit/IOTypes.h IOKit/ps/IOPSKeys.h IOKit/IOBSD.h IOKit/storage/IOBlockStorageDriver.h)
-
 # For the battery plugin
 AC_CHECK_HEADERS(IOKit/ps/IOPowerSources.h, [], [],
 [
@@ -193,11 +222,21 @@ AC_CHECK_HEADERS(IOKit/ps/IOPowerSources.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 the swap module
 # For users module
-AC_CHECK_HEADERS(sys/loadavg.h linux/config.h sys/swap.h utmp.h utmpx.h)
+AC_CHECK_HEADERS(sys/loadavg.h linux/config.h utmp.h utmpx.h)
 
 # For interface plugin
 AC_CHECK_HEADERS(ifaddrs.h)
@@ -232,10 +271,55 @@ AC_CHECK_HEADERS(linux/netdevice.h, [], [],
 #endif
 ])
 
-# For apache plugin
+# For ipvs module
+have_net_ip_vs_h="no"
+have_ip_vs_h="no"
+if test "x$ac_system" = "xLinux"
+then
+       AC_CHECK_HEADERS(net/ip_vs.h, [have_net_ip_vs_h="yes"])
+       AC_CHECK_HEADERS(ip_vs.h, [have_ip_vs_h="yes"])
+fi
+
+# 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(curl/curl.h pwd.h grp.h sys/un.h sys/ucred.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/mount.h sys/statfs.h sys/statvfs.h sys/vfs.h sys/vfstab.h kvm.h arpa/nameser.h arpa/nameser_compat.h)
+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
@@ -267,7 +351,8 @@ AC_CHECK_HEADERS(netinet/if_ether.h, [], [],
 ])
 
 # For the multimeter plugin
-AC_CHECK_HEADERS(termios.h sys/ioctl.h)
+have_termios_h="no"
+AC_CHECK_HEADERS(termios.h, [have_termios_h="yes"])
 
 #
 # Checking for libraries
@@ -289,6 +374,11 @@ AC_HEADER_TIME
 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")
@@ -576,21 +666,6 @@ AC_CHECK_MEMBERS([kstat_io_t.nwritten, kstat_io_t.writes, kstat_io_t.nwrites, ks
 #endif
        ])
 
-AC_MSG_CHECKING([for kernel type ($host_os)])
-case $host_os in
-       *linux*)
-       AC_DEFINE([KERNEL_LINUX], 1, [True if program is to be compiled for a Linux kernel])
-       ac_system="Linux"
-       ;;
-       *solaris*)
-       AC_DEFINE([KERNEL_SOLARIS], 1, [True if program is to be compiled for a Solaris kernel])
-       ac_system="Solaris"
-       ;;
-       *)
-       ac_system="unknown"
-esac
-AC_MSG_RESULT([$ac_system])
-
 with_libresolv="yes"
 AC_CHECK_LIB(resolv, res_search,
 [
@@ -604,35 +679,66 @@ m4_divert_once([HELP_WITH], [
 collectd additional packages:])
 
 # AC_ARG_WITH (package, help-string, [action-if-given], [action-if-not-given])
+librrd_cflags=""
+librrd_ldflags=""
+librrd_threadsafe="yes"
 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"
+               librrd_cflags="-I$withval/include"
+               librrd_ldflags="-L$withval/lib"
                with_rrdtool="yes"
        fi
 ], [with_rrdtool="yes"])
 if test "x$with_rrdtool" = "xyes"
 then
-       AC_CHECK_LIB(rrd, rrd_update,
-       [
-               AC_DEFINE(HAVE_LIBRRD, 1, [Define to 1 if you have the rrd library (-lrrd).])
-       ],
-       [with_rrdtool="no (librrd not found)"], [-lm])
+       SAVE_CPPFLAGS="$CPPFLAGS"
+       SAVE_LDFLAGS="$LDFLAGS"
+
+       CPPFLAGS="$CPPFLAGS $librrd_cflags"
+       LDFLAGS="$LDFLAGS $librrd_ldflags"
+
+       AC_CHECK_HEADERS(rrd.h,, [with_rrdtool="no (rrd.h not found)"])
+
+       CPPFLAGS="$SAVE_CPPFLAGS"
+       LDFLAGS="$SAVE_LDFLAGS"
 fi
 if test "x$with_rrdtool" = "xyes"
 then
-       AC_CHECK_HEADERS(rrd.h,, [with_rrdtool="no (rrd.h not found)"])
+       SAVE_CPPFLAGS="$CPPFLAGS"
+       SAVE_LDFLAGS="$LDFLAGS"
+
+       CPPFLAGS="$CPPFLAGS $librrd_cflags"
+       LDFLAGS="$LDFLAGS $librrd_ldflags"
+
+       AC_CHECK_LIB(rrd_th, rrd_update_r,
+       [with_rrdtool="yes"
+        librrd_ldflags="$librrd_ldflags -lrrd_th -lm"
+       ],
+       [librrd_threadsafe="no"
+        AC_CHECK_LIB(rrd, rrd_update,
+        [with_rrdtool="yes"
+         librrd_ldflags="$librrd_ldflags -lrrd -lm"
+        ],
+        [with_rrdtool="no (symbol 'rrd_update' not found)"],
+        [-lm])
+       ]
+       [-lm])
+
+       CPPFLAGS="$SAVE_CPPFLAGS"
+       LDFLAGS="$SAVE_LDFLAGS"
 fi
 if test "x$with_rrdtool" = "xyes"
 then
-       collect_rrdtool=1
-else
-       collect_rrdtool=0
+       BUILD_WITH_LIBRRD_CFLAGS="$librrd_cflags"
+       BUILD_WITH_LIBRRD_LDFLAGS="$librrd_ldflags"
+       AC_SUBST(BUILD_WITH_LIBRRD_CFLAGS)
+       AC_SUBST(BUILD_WITH_LIBRRD_LDFLAGS)
+fi
+if test "x$librrd_threadsafe" = "xyes"
+then
+       AC_DEFINE(HAVE_THREADSAFE_LIBRRD, 1, [Define to 1 if you have the threadsafe rrd library (-lrrd_th).])
 fi
-AC_DEFINE_UNQUOTED(COLLECT_RRDTOOL, [$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"
@@ -665,7 +771,7 @@ 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 "$ac_system" = "Solaris"
+if test "x$ac_system" = "xSolaris"
 then
        with_kstat="yes"
        with_devinfo="yes"
@@ -693,70 +799,71 @@ AM_CONDITIONAL(BUILD_WITH_LIBDEVINFO, test "x$with_devinfo" = "xyes")
 
 ### BEGIN of check for libcurl ###
 with_curl_config="curl-config"
-with_curl_prefix=0
+with_curl_cflags=""
 with_curl_libs=""
 AC_ARG_WITH(libcurl, [AS_HELP_STRING([--with-libcurl@<:@=PREFIX@:>@], [Path to libcurl.])],
 [
-       if test "x$withval" != "xno" -a "x$withval" != "xyes"
-       then
-               if test -x "$withval/bin/curl-config"
-               then
-                       with_curl_config="$withval/bin/curl-config"
-                       with_curl_prefix=1
-               fi
-       fi
        if test "x$withval" = "xno"
        then
                with_libcurl="no"
+       else if test "x$withval" = "xyes"
+       then
+               with_libcurl="yes"
        else
+               if test -f "$withval" && test -x "$withval"
+               then
+                       with_curl_config="$withval"
+                       with_libcurl="yes"
+               else if test -x "$withval/bin/curl-config"
+               then
+                       with_curl_config="$withval/bin/curl-config"
+                       with_libcurl="yes"
+               fi; fi
                with_libcurl="yes"
-       fi
+       fi; fi
 ],
 [
        with_libcurl="yes"
 ])
 if test "x$with_libcurl" = "xyes"
 then
-       with_curl_libs=`$with_curl_config --libs 2>/dev/null`
+       with_curl_cflags=`$with_curl_config --cflags 2>/dev/null`
        curl_config_status=$?
 
        if test $curl_config_status -ne 0
        then
-               with_libcurl="no"
+               with_libcurl="no ($with_curl_config failed)"
        else
-               AC_CHECK_LIB(curl, curl_easy_init,
-               [
-                       BUILD_WITH_LIBCURL_LIBS="$with_curl_libs"
-                       AC_SUBST(BUILD_WITH_LIBCURL_LIBS)
-               ],
-               [
-                       with_libcurl="no"
-               ],
-               [$with_curl_libs])
+               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" -a $with_curl_prefix -ne 0
+if test "x$with_libcurl" = "xyes"
 then
-       with_curl_prefix=`$with_curl_config --libs 2>/dev/null`
+       with_curl_libs=`$with_curl_config --libs 2>/dev/null`
        curl_config_status=$?
 
        if test $curl_config_status -ne 0
        then
-               with_libcurl="no"
+               with_libcurl="no ($with_curl_config failed)"
        else
-               if test -d "$with_curl_prefix/include"
-               then
-                       CPPFLAGS="$CPPFLAGS -I$with_curl_prefix/include"
-               fi
+               AC_CHECK_LIB(curl, curl_easy_init,
+                [with_libcurl="yes"],
+                [with_libcurl="no (symbol 'curl_easy_init' not found)"],
+                [$with_curl_libs])
        fi
 fi
-
-with_libcurl_numeric=0
 if test "x$with_libcurl" = "xyes"
 then
-       with_libcurl_numeric=1
+       BUILD_WITH_LIBCURL_CFLAGS="$with_curl_cflags"
+       BUILD_WITH_LIBCURL_LIBS="$with_curl_libs"
+       AC_SUBST(BUILD_WITH_LIBCURL_CFLAGS)
+       AC_SUBST(BUILD_WITH_LIBCURL_LIBS)
 fi
-AC_DEFINE_UNQUOTED(HAVE_LIBCURL, [$with_libcurl_numeric], [Define to 1 if you have the 'curl' library (-lcurl).])
 AM_CONDITIONAL(BUILD_WITH_LIBCURL, test "x$with_libcurl" = "xyes")
 ### END of check for libcurl ###
 
@@ -837,7 +944,7 @@ AC_ARG_WITH(lm-sensors, [AS_HELP_STRING([--with-lm-sensors@<:@=PREFIX@:>@], [Pat
        then
                with_lm_sensors="yes"
        else
-               with_lm_sensors="no"
+               with_lm_sensors="no (Linux only library)"
        fi
 ])
 if test "x$with_lm_sensors" = "xyes"
@@ -866,40 +973,70 @@ AC_DEFINE_UNQUOTED(COLLECT_LM_SENSORS, [$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$withval" != "xno" && test "x$withval" != "xyes"
+       if test "x$withval" = "xno"
+       then
+               with_libmysql="no"
+       else if test "x$withval" = "xyes"
        then
-               LDFLAGS="$LDFLAGS -L$withval/lib"
-               CPPFLAGS="$CPPFLAGS -I$withval/include"
                with_libmysql="yes"
-       fi
+       else
+               if test -f "$withval" && test -x "$withval";
+               then
+                       with_mysql_config="$withval"
+               else if test -x "$withval/bin/mysql_config"
+               then
+                       with_mysql_config="$withval/bin/mysql_config"
+               fi; fi
+               with_libmysql="yes"
+       fi; fi
 ],
 [
        with_libmysql="yes"
 ])
 if test "x$with_libmysql" = "xyes"
 then
-       AC_CHECK_LIB(mysqlclient, mysql_init,
-       [
-               AC_DEFINE(HAVE_LIBMYSQLCLIENT, 1, [Define to 1 if you have the mysqlclient library (-lmysqlclient).])
-       ], [with_libmysql="no (libmysql not found)"])
+       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$with_libmysql" = "xyes"
 then
-       AC_CHECK_HEADERS(mysql/mysql.h,
-       [
-               AC_DEFINE(HAVE_MYSQL_MYSQL_H, 1, [Define to 1 if you have the <mysql/mysql.h> header file.])
-       ], [with_libmysql="no (mysql/mysql.h not found)"])
+       with_mysql_libs=`$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$with_libmysql" = "xyes"
 then
-       collect_libmysql=1
-else
-       collect_libmysql=0
+       BUILD_WITH_LIBMYSQL_CFLAGS="$with_mysql_cflags"
+       BUILD_WITH_LIBMYSQL_LIBS="$with_mysql_libs"
+       AC_SUBST(BUILD_WITH_LIBMYSQL_CFLAGS)
+       AC_SUBST(BUILD_WITH_LIBMYSQL_LIBS)
 fi
-AC_DEFINE_UNQUOTED(COLLECT_LIBMYSQL, [$collect_libmysql],
-       [Wether or not to use mysql library])
 AM_CONDITIONAL(BUILD_WITH_LIBMYSQL, test "x$with_libmysql" = "xyes")
 
 with_own_liboconfig="no"
@@ -1048,6 +1185,9 @@ AC_ARG_WITH(libperl, [AS_HELP_STRING([--with-libperl@<:@=PREFIX@:>@], [Path to l
 [
        with_libperl="yes"
 ])
+
+AC_SUBST(PERL, "$perl_interpreter")
+
 if test "x$with_libperl" = "xyes"
 then
   SAVE_CFLAGS=$CFLAGS
@@ -1130,38 +1270,88 @@ else
 fi
 AM_CONDITIONAL(BUILD_WITH_LIBIPTC, test "x$with_libiptc" = "xyes")
 
+with_snmp_config="net-snmp-config"
+with_snmp_cflags=""
+with_snmp_libs=""
 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"
+       if test "x$withval" = "xno"
+       then
+               with_libnetsnmp="no"
+       else if "x$withval" = "xyes"
        then
-               LDFLAGS="$LDFLAGS -L$withval/lib"
-               CPPFLAGS="$CPPFLAGS -I$withval/include"
                with_libnetsnmp="yes"
-       fi
+       else
+               if test -x "$withval"
+               then
+                       with_snmp_config="$withval"
+                       with_libnetsnmp="yes"
+               else
+                       with_snmp_config="$withval/bin/net-snmp-config"
+                       with_libnetsnmp="yes"
+               fi
+       fi; fi
 ],
 [with_libnetsnmp="yes"])
 if test "x$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)"])
+       with_snmp_cflags=`$with_snmp_config --cflags 2>/dev/null`
+       snmp_config_status=$?
+
+       if test $snmp_config_status -ne 0
+       then
+               with_libnetsnmp="no ($with_snmp_config failed)"
+       else
+               SAVE_CFLAGS=$CFLAGS
+               CFLAGS="$CFLAGS $with_snmp_cflags"
+               
+               AC_CHECK_HEADERS(net-snmp/net-snmp-config.h, [], [with_libnetsnmp="no (net-snmp/net-snmp-config.h not found)"])
+
+               CFLAGS="$SAVE_CFLAGS"
+       fi
 fi
 if test "x$with_libnetsnmp" = "xyes"
 then
-       AC_CHECK_HEADERS(net-snmp/net-snmp-config.h,
-       [
-               AC_DEFINE(HAVE_NET_SNMP_NET_SNMP_CONFIG_H, 1, [Define to 1 if you have the <net-snmp/net-snmp-config.h> header file.])
-       ], [with_libnetsnmp="no (net-snmp/net-snmp-config.h not found)"])
+       with_snmp_libs=`$with_snmp_config --libs 2>/dev/null`
+       snmp_config_status=$?
+
+       if test $snmp_config_status -ne 0
+       then
+               with_libnetsnmp="no ($with_snmp_config failed)"
+       else
+               AC_CHECK_LIB(netsnmp, init_snmp,
+               [with_libnetsnmp="yes"],
+               [with_libnetsnmp="no (libnetsnmp not found)"],
+               [$with_snmp_libs])
+       fi
+fi
+if test "x$with_libnetsnmp" = "xyes"
+then
+       BUILD_WITH_LIBSNMP_CFLAGS="$with_snmp_cflags"
+       BUILD_WITH_LIBSNMP_LIBS="$with_snmp_libs"
+       AC_SUBST(BUILD_WITH_LIBSNMP_CFLAGS)
+       AC_SUBST(BUILD_WITH_LIBSNMP_LIBS)
 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$withval" != "xno" && test "x$withval" != "xyes"
+       if test "x$withval" = "xno"
        then
-               LDFLAGS="$LDFLAGS -L$withval/lib"
-               CPPFLAGS="$CPPFLAGS -I$withval/include"
+               with_libupsclient="no"
+       else
+               if test "x$withval" != "xyes"
+               then
+                       if test -f "$withval" && test -x "$withval";
+                       then
+                               with_upsclient_config="$withval"
+                       else
+                               with_upsclient_config="$withval/bin/libupsclient-config"
+                       fi
+               fi
                with_libupsclient="yes"
        fi
 ],
@@ -1169,42 +1359,78 @@ AC_ARG_WITH(libupsclient, [AS_HELP_STRING([--with-libupsclient@<:@=PREFIX@:>@],
        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$with_libupsclient" = "xyes"
 then
        AC_CHECK_LIB(upsclient, upscli_connect,
        [
-               AC_DEFINE(HAVE_LIBUPSCLIENT, 1, [Define to 1 if you have the upsclient library (-lupsclient).])
-       ], [with_libupsclient="no (libupsclient not found)"])
+               BUILD_WITH_LIBUPSCLIENT_CFLAGS="$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$with_libupsclient" = "xyes"
 then
-       AC_CHECK_HEADERS(upsclient.h,
-       [
-               AC_DEFINE(HAVE_UPSCLIENT_H, 1, [Define to 1 if you have the <upsclient.h> header file.])
-       ], [with_libupsclient="no (upsclient.h not found)"])
+       AC_CHECK_TYPES([UPSCONN_t, UPSCONN], [], [], 
+[#include <stdlib.h>
+#include <stdio.h>
+#include <upsclient.h>])
 fi
 AM_CONDITIONAL(BUILD_WITH_LIBUPSCLIENT, test "x$with_libupsclient" = "xyes")
 
 ### BEGIN of check for libxmms ###
 with_xmms_config="xmms-config"
-with_xmms_prefix=0
 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 "$withval/bin/xmms-config"
+               if test -f "$withval" && test -x "$withval";
+               then
+                       with_xmms_config="$withval"
+               else if test -x "$withval/bin/xmms-config"
                then
                        with_xmms_config="$withval/bin/xmms-config"
-                       with_xmms_prefix=1
-               fi
-       fi
-       if test "x$withval" = "xno"
+               fi; fi
+               with_libxmms="yes"
+       else if test "x$withval" = "xno"
        then
                with_libxmms="no"
        else
                with_libxmms="yes"
-       fi
+       fi; fi
 ],
 [
        with_libxmms="yes"
@@ -1252,6 +1478,110 @@ AC_DEFINE_UNQUOTED(HAVE_LIBXMMS, [$with_libxmms_numeric], [Define to 1 if you ha
 AM_CONDITIONAL(BUILD_WITH_LIBXMMS, test "x$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 $with_libnetlink_cflags"
+
+       with_libnetlink="no (libnetlink.h not found)"
+
+       AC_CHECK_HEADERS(libnetlink.h iproute/libnetlink.h linux/libnetlink.h,
+       [
+        with_libnetlink="yes"
+        break
+       ], [],
+[#include <stdio.h>
+#include <sys/types.h>
+#include <asm/types.h>
+#include <sys/socket.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>])
+       AC_CHECK_HEADERS(linux/gen_stats.h linux/pkt_sched.h, [], [],
+[#include <stdio.h>
+#include <sys/types.h>
+#include <asm/types.h>
+#include <sys/socket.h>])
+
+       AC_COMPILE_IFELSE(
+[#include <stdio.h>
+#include <sys/types.h>
+#include <asm/types.h>
+#include <sys/socket.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+
+int main (void)
+{
+       int retval = TCA_STATS2;
+       return (retval);
+}],
+       [AC_DEFINE([HAVE_TCA_STATS2], 1, [True if the enum-member TCA_STATS2 exists])]
+       []);
+
+       AC_COMPILE_IFELSE(
+[#include <stdio.h>
+#include <sys/types.h>
+#include <asm/types.h>
+#include <sys/socket.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+
+int main (void)
+{
+       int retval = TCA_STATS;
+       return (retval);
+}],
+       [AC_DEFINE([HAVE_TCA_STATS], 1, [True if the enum-member TCA_STATS exists])]
+       []);
+
+       CFLAGS="$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
 #
 
@@ -1362,14 +1692,17 @@ plugin_df="no"
 plugin_disk="no"
 plugin_entropy="no"
 plugin_interface="no"
+plugin_ipvs="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_tcpconns="no"
 plugin_users="no"
 plugin_vserver="no"
 plugin_wireless="no"
@@ -1390,8 +1723,14 @@ then
        plugin_processes="yes"
        plugin_serial="yes"
        plugin_swap="yes"
+       plugin_tcpconns="yes"
        plugin_vserver="yes"
        plugin_wireless="yes"
+
+       if test "x$have_net_ip_vs_h" = "xyes" -o "x$have_ip_vs_h" = "xyes"
+       then
+               plugin_ipvs="yes"
+       fi
 fi
 
 # Mac OS X devices
@@ -1429,6 +1768,7 @@ if test "x$have_sysctlbyname" = "xyes"
 then
        plugin_cpu="yes"
        plugin_memory="yes"
+       plugin_tcpconns="yes"
 fi
 
 if test "x$have_statfs" = "xyes"
@@ -1456,6 +1796,11 @@ 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"
@@ -1480,50 +1825,83 @@ fi
 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],  [no],                [Read multimeter values])
-AC_PLUGIN([mysql],       [$with_libmysql],    [MySQL statistics])
-AC_PLUGIN([network],     [yes],               [Network communication plugin])
-AC_PLUGIN([nfs],         [$plugin_nfs],       [NFS statistics])
-AC_PLUGIN([ntpd],        [yes],               [NTPd statistics])
+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],    [$with_libiptc],      [IPTables rule counters])
+AC_PLUGIN([ipvs],        [$plugin_ipvs],       [IPVS connection statistics])
+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([memcached],   [yes],                [memcached statistics])
+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],         [$plugin_nfs],        [NFS statistics])
+AC_PLUGIN([nginx],       [$with_libcurl],      [nginx 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],        [$with_libxmms],     [XMMS statistics])
-
-AC_OUTPUT(Makefile src/Makefile src/collectd.conf src/liboconfig/Makefile src/liboping/Makefile)
+AC_PLUGIN([perl],        [$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],        [$plugin_tape],       [Tape drive statistics])
+AC_PLUGIN([tcpconns],    [$plugin_tcpconns],   [TCP connection 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])
+
+dnl ip_vs.h
+if test "x$ac_system" = "xLinux" -a "x$have_net_ip_vs_h$have_ip_vs_h" = "xnono"
+then
+       enable_ipvs="$enable_ipvs (ip_vs.h not found)"
+fi
+
+dnl Perl bindings
+AC_ARG_WITH(perl-bindings, [AS_HELP_STRING([--with-perl-bindings@<:@=OPTIONS@:>@], [Options passed to "perl Makefile.PL".])],
+[
+       if test "x$withval" != "xno" && test "x$withval" != "xyes"
+       then
+               PERL_BINDINGS_OPTIONS="$withval"
+               with_perl_bindings="yes"
+       fi
+],
+[
+       PERL_BINDINGS_OPTIONS=""
+       with_perl_bindings="yes"
+])
+if test "x$with_perl_bindings" = "xyes"
+then
+       PERL_BINDINGS="perl"
+else
+       PERL_BINDINGS=""
+fi
+AC_SUBST(PERL_BINDINGS)
+AC_SUBST(PERL_BINDINGS_OPTIONS)
+
+AC_OUTPUT(Makefile src/Makefile src/collectd.conf src/liboconfig/Makefile src/liboping/Makefile bindings/Makefile)
 
 if test "x$with_liboping" = "xyes" -a "x$with_own_liboping" = "xyes"
 then
@@ -1532,11 +1910,16 @@ fi
 
 if test "x$with_libperl" = "xyes"
 then
-       with_libperl="yes (version `perl -MConfig -e 'print $Config{version};'`)"
+       with_libperl="yes (version `$perl_interpreter -MConfig -e 'print $Config{version};'`)"
 else
        enable_perl="no (needs libperl)"
 fi
 
+if test "x$with_perl_bindings" = "xyes" -a "x$PERL_BINDINGS_OPTIONS" != "x"
+then
+       with_perl_bindings="yes ($PERL_BINDINGS_OPTIONS)"
+fi
+
 cat <<EOF;
 
 Configuration:
@@ -1547,6 +1930,7 @@ Configuration:
     libkstat  . . . . . $with_kstat
     libkvm  . . . . . . $with_libkvm
     libmysql  . . . . . $with_libmysql
+    libnetlink  . . . . $with_libnetlink
     libnetsnmp  . . . . $with_libnetsnmp
     liboconfig  . . . . $with_liboconfig
     liboping  . . . . . $with_liboping
@@ -1563,6 +1947,9 @@ Configuration:
     daemon mode . . . . $enable_daemon
     debug . . . . . . . $enable_debug
 
+  Bindings:
+    perl  . . . . . . . $with_perl_bindings
+
   Modules:
     apache  . . . . . . $enable_apache
     apcups  . . . . . . $enable_apcups
@@ -1580,26 +1967,32 @@ Configuration:
     hddtemp . . . . . . $enable_hddtemp
     interface . . . . . $enable_interface
     iptables  . . . . . $enable_iptables
+    ipvs  . . . . . . . $enable_ipvs
     irq . . . . . . . . $enable_irq
     load  . . . . . . . $enable_load
     logfile . . . . . . $enable_logfile
     mbmon . . . . . . . $enable_mbmon
+    memcached . . . . . $enable_memcached
     memory  . . . . . . $enable_memory
     multimeter  . . . . $enable_multimeter
     mysql . . . . . . . $enable_mysql
+    netlink . . . . . . $enable_netlink
     network . . . . . . $enable_network
     nfs . . . . . . . . $enable_nfs
+    nginx . . . . . . . $enable_nginx
     ntpd  . . . . . . . $enable_ntpd
     nut . . . . . . . . $enable_nut
     perl  . . . . . . . $enable_perl
     ping  . . . . . . . $enable_ping
     processes . . . . . $enable_processes
+    rrdtool . . . . . . $enable_rrdtool
     sensors . . . . . . $enable_sensors
     serial  . . . . . . $enable_serial
     snmp  . . . . . . . $enable_snmp
     swap  . . . . . . . $enable_swap
     syslog  . . . . . . $enable_syslog
     tape  . . . . . . . $enable_tape
+    tcpconns  . . . . . $enable_tcpconns
     unixsock  . . . . . $enable_unixsock
     users . . . . . . . $enable_users
     vserver . . . . . . $enable_vserver