X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.in;h=cd2110f70db68804e6c57b0238e38ace6d2e2959;hb=5aac2498eeacce2ab28302bca2103960a11474f7;hp=07c9b4270f16d7df4192bb933ca756e8eb1cecc9;hpb=7237c726f589df921a26d6951c2d1bf853580c43;p=collectd.git

diff --git a/configure.in b/configure.in
index 07c9b427..cd2110f7 100644
--- a/configure.in
+++ b/configure.in
@@ -17,6 +17,7 @@ AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
+AM_PROG_CC_C_O
 AM_CONDITIONAL(COMPILER_IS_GCC, test "x$GCC" = "xyes")
 
 dnl configure libtool
@@ -55,7 +56,7 @@ 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 sys/ioctl.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 endian.h)
 
 # For ping library
 AC_CHECK_HEADERS(netinet/in_systm.h, [], [],
@@ -310,7 +311,7 @@ AC_CHECK_HEADERS(linux/un.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)
+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 wordexp.h)
 
 # For the dns plugin
 AC_CHECK_HEADERS(arpa/nameser.h)
@@ -371,6 +372,68 @@ AC_CHECK_FUNCS(gettimeofday select strdup strtol getaddrinfo getnameinfo strchr
 
 AC_FUNC_STRERROR_R
 
+AC_CACHE_CHECK([for strtok_r],
+  [have_strtok_r_default],
+  AC_LINK_IFELSE(
+    AC_LANG_PROGRAM(
+    [[[[
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+    ]]]],
+    [[[[
+      char buffer[] = "foo,bar,baz";
+      char *token;
+      char *dummy;
+      char *saveptr;
+
+      dummy = buffer;
+      saveptr = NULL;
+      while ((token = strtok_r (dummy, ",", &saveptr)) != NULL)
+      {
+	dummy = NULL;
+        printf ("token = %s;\n", token);
+      }
+    ]]]]),
+    [have_strtok_r_default="yes"],
+    [have_strtok_r_default="no"]
+  )
+)
+
+if test "x$have_strtok_r_default" = "xno"
+then
+  SAVE_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -D_REENTRANT=1"
+
+  AC_CACHE_CHECK([if strtok_r needs _REENTRANT],
+    [have_strtok_r_reentrant],
+    AC_LINK_IFELSE(
+      AC_LANG_PROGRAM(
+      [[[[
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+      ]]]],
+      [[[[
+        char buffer[] = "foo,bar,baz";
+        char *token;
+        char *dummy;
+        char *saveptr;
+
+        dummy = buffer;
+        saveptr = NULL;
+        while ((token = strtok_r (dummy, ",", &saveptr)) != NULL)
+        {
+	  dummy = NULL;
+          printf ("token = %s;\n", token);
+        }
+      ]]]]),
+      [have_strtok_r_reentrant="yes"],
+      [AC_MSG_FAILURE([strtok_r isn't available. Please file a bugreport!])]
+    )
+  )
+fi
+
 AC_CHECK_FUNCS(getpwnam_r getgrnam_r setgroups regcomp regerror regexec regfree)
 
 socket_needs_socket="no"
@@ -504,8 +567,160 @@ 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)
+AC_ARG_WITH(fp-layout, [AS_HELP_STRING([--with-fp-layout], [set the memory layout of doubles. For crosscompiling only.])],
+[
+ if test "x$withval" = "xnothing"; then
+ 	fp_layout_type="nothing"
+ else if test "x$withval" = "xendianflip"; then
+ 	fp_layout_type="endianflip"
+ else if test "x$withval" = "xintswap"; then
+ 	fp_layout_type="intswap"
+ else
+ 	AC_MSG_ERROR([Invalid argument for --with-fp-layout. Valid arguments are: nothing, endianflip, intswap]);
+fi; fi; fi
+],
+[fp_layout_type="unknown"])
+
+if test "x$fp_layout_type" = "xunknown"; then
+  AC_CACHE_CHECK([if doubles are stored in x86 representation],
+    [fp_layout_need_nothing],
+    AC_RUN_IFELSE(
+      AC_LANG_PROGRAM(
+      [[[[
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+      ]]]],
+      [[[[
+	uint64_t i0;
+	uint64_t i1;
+	uint8_t c[8];
+	double d;
+
+	d = 8.642135e130; 
+	memcpy ((void *) &i0, (void *) &d, 8);
+
+	i1 = i0;
+	memcpy ((void *) c, (void *) &i1, 8);
+
+	if ((c[0] == 0x2f) && (c[1] == 0x25)
+			&& (c[2] == 0xc0) && (c[3] == 0xc7)
+			&& (c[4] == 0x43) && (c[5] == 0x2b)
+			&& (c[6] == 0x1f) && (c[7] == 0x5b))
+		return (0);
+	else
+		return (1);
+      ]]]]),
+      [fp_layout_need_nothing="yes"],
+      [fp_layout_need_nothing="no"]
+    )
+  )
+  if test "x$fp_layout_need_nothing" = "xyes"; then
+    fp_layout_type="nothing"
+  fi
+fi
+if test "x$fp_layout_type" = "xunknown"; then
+  AC_CACHE_CHECK([if endianflip converts to x86 representation],
+    [fp_layout_need_endianflip],
+    AC_RUN_IFELSE(
+      AC_LANG_PROGRAM(
+      [[[[
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#define endianflip(A) ((((uint64_t)(A) & 0xff00000000000000LL) >> 56) | \
+                       (((uint64_t)(A) & 0x00ff000000000000LL) >> 40) | \
+                       (((uint64_t)(A) & 0x0000ff0000000000LL) >> 24) | \
+                       (((uint64_t)(A) & 0x000000ff00000000LL) >> 8)  | \
+                       (((uint64_t)(A) & 0x00000000ff000000LL) << 8)  | \
+                       (((uint64_t)(A) & 0x0000000000ff0000LL) << 24) | \
+                       (((uint64_t)(A) & 0x000000000000ff00LL) << 40) | \
+                       (((uint64_t)(A) & 0x00000000000000ffLL) << 56))
+      ]]]],
+      [[[[
+	uint64_t i0;
+	uint64_t i1;
+	uint8_t c[8];
+	double d;
+
+	d = 8.642135e130; 
+	memcpy ((void *) &i0, (void *) &d, 8);
+
+	i1 = endianflip (i0);
+	memcpy ((void *) c, (void *) &i1, 8);
+
+	if ((c[0] == 0x2f) && (c[1] == 0x25)
+			&& (c[2] == 0xc0) && (c[3] == 0xc7)
+			&& (c[4] == 0x43) && (c[5] == 0x2b)
+			&& (c[6] == 0x1f) && (c[7] == 0x5b))
+		return (0);
+	else
+		return (1);
+      ]]]]),
+      [fp_layout_need_endianflip="yes"],
+      [fp_layout_need_endianflip="no"]
+    )
+  )
+  if test "x$fp_layout_need_endianflip" = "xyes"; then
+    fp_layout_type="endianflip"
+  fi
+fi
+if test "x$fp_layout_type" = "xunknown"; then
+  AC_CACHE_CHECK([if intswap converts to x86 representation],
+    [fp_layout_need_intswap],
+    AC_RUN_IFELSE(
+      AC_LANG_PROGRAM(
+      [[[[
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#define intswap(A)    ((((uint64_t)(A) & 0xffffffff00000000LL) >> 32) | \
+                       (((uint64_t)(A) & 0x00000000ffffffffLL) << 32))
+      ]]]],
+      [[[[
+	uint64_t i0;
+	uint64_t i1;
+	uint8_t c[8];
+	double d;
+
+	d = 8.642135e130; 
+	memcpy ((void *) &i0, (void *) &d, 8);
+
+	i1 = intswap (i0);
+	memcpy ((void *) c, (void *) &i1, 8);
+
+	if ((c[0] == 0x2f) && (c[1] == 0x25)
+			&& (c[2] == 0xc0) && (c[3] == 0xc7)
+			&& (c[4] == 0x43) && (c[5] == 0x2b)
+			&& (c[6] == 0x1f) && (c[7] == 0x5b))
+		return (0);
+	else
+		return (1);
+      ]]]]),
+      [fp_layout_need_intswap="yes"],
+      [fp_layout_need_intswap="no"]
+    )
+  )
+  if test "x$fp_layout_need_intswap" = "xyes"; then
+    fp_layout_type="intswap"
+  fi
+fi
+
+if test "x$fp_layout_type" = "xnothing"; then
+  AC_DEFINE(FP_LAYOUT_NEED_NOTHING, 1,
+  [Define if doubles are stored in x86 representation.])
+else if test "x$fp_layout_type" = "xendianflip"; then
+  AC_DEFINE(FP_LAYOUT_NEED_ENDIANFLIP, 1,
+  [Define if endianflip is needed to convert to x86 representation.])
+else if test "x$fp_layout_type" = "xintswap"; then
+  AC_DEFINE(FP_LAYOUT_NEED_INTSWAP, 1,
+  [Define if intswap is needed to convert to x86 representation.])
+else
+  AC_MSG_ERROR([Didn't find out how doubles are stored in memory. Sorry.])
+fi; fi; fi
 
 have_getfsstat="no"
 AC_CHECK_FUNCS(getfsstat, [have_getfsstat="yes"])
@@ -666,6 +881,20 @@ AC_CHECK_LIB(resolv, res_search,
 [with_libresolv="no"])
 AM_CONDITIONAL(BUILD_WITH_LIBRESOLV, test "x$with_libresolv" = "xyes")
 
+dnl Check for HAL (hardware abstraction library)
+with_libhal="yes"
+AC_CHECK_LIB(hal,libhal_device_property_exists,
+	     [AC_DEFINE(HAVE_LIBHAL, 1, [Define to 1 if you have 'hal' library])],
+	     [with_libhal="no"])
+if test "x$with_libhal" = "xyes"; then
+	PKG_PROG_PKG_CONFIG
+	if test "x$PKG_CONFIG" != "x"; then
+		BUILD_WITH_LIBHAL_CFLAGS="`pkg-config --cflags hal`"
+		BUILD_WITH_LIBHAL_LIBS="`pkg-config --libs hal`"
+		AC_SUBST(BUILD_WITH_LIBHAL_CFLAGS)
+		AC_SUBST(BUILD_WITH_LIBHAL_LIBS)
+	fi
+fi
 
 m4_divert_once([HELP_WITH], [
 collectd additional packages:])
@@ -680,6 +909,8 @@ AC_ARG_WITH(rrdtool, [AS_HELP_STRING([--with-rrdtool@<:@=PREFIX@:>@], [Path to r
 		librrd_cflags="-I$withval/include"
 		librrd_ldflags="-L$withval/lib"
 		with_rrdtool="yes"
+	else
+		with_rrdtool="$withval"
 	fi
 ], [with_rrdtool="yes"])
 if test "x$with_rrdtool" = "xyes"
@@ -714,7 +945,7 @@ then
 	 ],
 	 [with_rrdtool="no (symbol 'rrd_update' not found)"],
 	 [-lm])
-	]
+	],
 	[-lm])
 
 	CPPFLAGS="$SAVE_CPPFLAGS"
@@ -826,12 +1057,12 @@ then
 	then
 		with_libcurl="no ($with_curl_config failed)"
 	else
-		SAVE_CFLAGS=$CFLAGS
-		CFLAGS="$CFLAGS $with_curl_cflags"
+		SAVE_CPPFLAGS="$CPPFLAGS"
+		CPPFLAGS="$CPPFLAGS $with_curl_cflags"
 
 		AC_CHECK_HEADERS(curl/curl.h, [], [with_libcurl="no (curl/curl.h not found)"], [])
 
-		CFLAGS="$SAVE_CFLAGS"
+		CPPFLAGS="$SAVE_CPPFLAGS"
 	fi
 fi
 if test "x$with_libcurl" = "xyes"
@@ -865,7 +1096,7 @@ AC_CHECK_LIB(IOKit, IOServiceGetMatchingServices,
 [
 	with_libiokit="yes"
 	collectd_libiokit=1
-], 
+],
 [
 	with_libiokit="no"
 	collectd_libiokit=0
@@ -873,8 +1104,6 @@ AC_CHECK_LIB(IOKit, IOServiceGetMatchingServices,
 AC_DEFINE_UNQUOTED(COLLECT_LIBIOKIT, [$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"
@@ -882,6 +1111,8 @@ AC_ARG_WITH(libstatgrab, [AS_HELP_STRING([--with-libstatgrab@<:@=PREFIX@:>@], [P
 		LDFLAGS="$LDFLAGS -L$withval/lib"
 		CPPFLAGS="$CPPFLAGS -I$withval/include"
 		with_libstatgrab="yes"
+	else
+		with_libstatgrab="$withval"
 	fi
 ],
 [
@@ -1020,12 +1251,12 @@ then
 	then
 		with_libmysql="no"
 	else
-		SAVE_CFLAGS=$CFLAGS
-		CFLAGS="$CFLAGS $with_mysql_cflags"
+		SAVE_CPPFLAGS="$CPPFLAGS"
+		CPPFLAGS="$CPPFLAGS $with_mysql_cflags"
 
 		AC_CHECK_HEADERS(mysql/mysql.h, [], [with_libmysql="no (mysql/mysql.h not found)"], [])
 
-		CFLAGS="$SAVE_CFLAGS"
+		CPPFLAGS="$SAVE_CPPFLAGS"
 	fi
 fi
 if test "x$with_libmysql" = "xyes"
@@ -1120,10 +1351,12 @@ AC_ARG_WITH(liboping, [AS_HELP_STRING([--with-liboping@<:@=PREFIX@:>@], [Path to
 	then
 		with_liboping="no"
 		with_own_liboping="no"
-	fi
+	else if test "x$withval" = "xyes"
+	then
+		with_liboping="yes"
+	fi; fi
 ],
 [
- 	#753
 	with_liboping="yes"
 ])
 
@@ -1155,6 +1388,8 @@ AC_ARG_WITH(libpcap, [AS_HELP_STRING([--with-libpcap@<:@=PREFIX@:>@], [Path to l
 		LDFLAGS="$LDFLAGS -L$withval/lib"
 		CPPFLAGS="$CPPFLAGS -I$withval/include"
 		with_libpcap="yes"
+	else
+		with_libpcap="$withval"
 	fi
 ],
 [
@@ -1193,15 +1428,27 @@ AC_ARG_WITH(libperl, [AS_HELP_STRING([--with-libperl@<:@=PREFIX@:>@], [Path to l
 		CPPFLAGS="$CPPFLAGS -I$withval/include"
 		perl_interpreter="$withval/bin/perl"
 		with_libperl="yes"
+	else
+		with_libperl="$withval"
 	fi
 ],
 [
 	with_libperl="yes"
 ])
 
+AC_MSG_CHECKING([for perl])
+perl_interpreter=`which "$perl_interpreter" 2> /dev/null`
+if test -x "$perl_interpreter"
+then
+	AC_MSG_RESULT([yes])
+else
+	perl_interpreter=""
+	AC_MSG_RESULT([no])
+fi
+
 AC_SUBST(PERL, "$perl_interpreter")
 
-if test "x$with_libperl" = "xyes"
+if test "x$with_libperl" = "xyes" -a -n "$perl_interpreter"
 then
   SAVE_CFLAGS=$CFLAGS
   SAVE_LDFLAGS=$LDFLAGS
@@ -1241,9 +1488,47 @@ then
 
   CFLAGS=$SAVE_CFLAGS
   LDFLAGS=$SAVE_LDFLAGS
-fi
+else if test -z "$perl_interpreter"; then
+  with_libperl="no (no perl interpreter found)"
+  have_libperl="no"
+fi; fi
 AM_CONDITIONAL(BUILD_WITH_LIBPERL, test "x$with_libperl" = "xyes")
 
+if test "x$with_libperl" = "xyes"
+then
+	SAVE_CFLAGS=$CFLAGS
+	SAVE_LDFLAGS=$LDFLAGS
+	CFLAGS="$CFLAGS $PERL_CFLAGS"
+	LDFLAGS="$LDFLAGS $PERL_LDFLAGS"
+
+	AC_CACHE_CHECK([if perl supports ithreads],
+		[have_perl_ithreads],
+		AC_LINK_IFELSE(
+			AC_LANG_PROGRAM(
+			[[
+#include <EXTERN.h>
+#include <perl.h>
+#include <XSUB.h>
+
+#if !defined(USE_ITHREADS)
+# error "Perl does not support ithreads!"
+#endif /* !defined(USE_ITHREADS) */
+			]],
+			[[ ]]),
+			[have_perl_ithreads="yes"],
+			[have_perl_ithreads="no"]
+		)
+	)
+
+	if test "x$have_perl_ithreads" = "xyes"
+	then
+		AC_DEFINE(HAVE_PERL_ITHREADS, 1, [Define if Perl supports ithreads.])
+	fi
+
+	CFLAGS=$SAVE_CFLAGS
+	LDFLAGS=$SAVE_LDFLAGS
+fi
+
 AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to libiptc.])],
 [
 	if test "x$withval" != "xno" && test "x$withval" != "xyes"
@@ -1251,10 +1536,12 @@ AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to l
 		LDFLAGS="$LDFLAGS -L$withval/lib"
 		CPPFLAGS="$CPPFLAGS -I$withval/include"
 		with_libiptc="yes"
+	else
+		with_libiptc="$withval"
 	fi
 ],
 [
- 	if test "x$ac_system" = "xLinux"
+	if test "x$ac_system" = "xLinux"
 	then
 		with_libiptc="yes"
 	else
@@ -1288,14 +1575,14 @@ with_snmp_cflags=""
 with_snmp_libs=""
 AC_ARG_WITH(libnetsnmp, [AS_HELP_STRING([--with-libnetsnmp@<:@=PREFIX@:>@], [Path to the Net-SNMPD library.])],
 [
- 	if test "x$withval" = "xno"
+	if test "x$withval" = "xno"
 	then
 		with_libnetsnmp="no"
 	else if test "x$withval" = "xyes"
 	then
 		with_libnetsnmp="yes"
 	else
-	       	if test -x "$withval"
+		if test -x "$withval"
 		then
 			with_snmp_config="$withval"
 			with_libnetsnmp="yes"
@@ -1315,12 +1602,12 @@ then
 	then
 		with_libnetsnmp="no ($with_snmp_config failed)"
 	else
-		SAVE_CFLAGS=$CFLAGS
-		CFLAGS="$CFLAGS $with_snmp_cflags"
+		SAVE_CPPFLAGS="$CPPFLAGS"
+		CPPFLAGS="$CPPFLAGS $with_snmp_cflags"
 		
 		AC_CHECK_HEADERS(net-snmp/net-snmp-config.h, [], [with_libnetsnmp="no (net-snmp/net-snmp-config.h not found)"])
 
-		CFLAGS="$SAVE_CFLAGS"
+		CPPFLAGS="$SAVE_CPPFLAGS"
 	fi
 fi
 if test "x$with_libnetsnmp" = "xyes"
@@ -1383,12 +1670,12 @@ then
 fi
 if test "x$with_libupsclient" = "xyes"
 then
-	SAVE_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS $with_upsclient_cflags"
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_upsclient_cflags"
 
 	AC_CHECK_HEADERS(upsclient.h, [], [with_libupsclient="no (upsclient.h not found)"])
 
-	CFLAGS="$SAVE_CFLAGS"
+	CPPFLAGS="$SAVE_CPPFLAGS"
 fi
 if test "x$with_libupsclient" = "xyes"
 then
@@ -1415,10 +1702,15 @@ then
 fi
 if test "x$with_libupsclient" = "xyes"
 then
-	AC_CHECK_TYPES([UPSCONN_t, UPSCONN], [], [], 
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_upsclient_cflags"
+
+	AC_CHECK_TYPES([UPSCONN_t, UPSCONN], [], [],
 [#include <stdlib.h>
 #include <stdio.h>
 #include <upsclient.h>])
+
+	CPPFLAGS="$SAVE_CPPFLAGS"
 fi
 AM_CONDITIONAL(BUILD_WITH_LIBUPSCLIENT, test "x$with_libupsclient" = "xyes")
 
@@ -1595,6 +1887,125 @@ then
 fi
 AM_CONDITIONAL(BUILD_WITH_LIBNETLINK, test "x$with_libnetlink" = "xyes")
 
+dnl Check for libvirt and libxml2 libraries.
+with_libxml2="no (pkg-config isn't available)"
+with_libxml2_cflags=""
+with_libxml2_ldflags=""
+with_libvirt="no (pkg-config isn't available)"
+with_libvirt_cflags=""
+with_libvirt_ldflags=""
+PKG_PROG_PKG_CONFIG
+if test "x$PKG_CONFIG" != "x"
+then
+	pkg-config --exists 'libxml-2.0' 2>/dev/null
+	if test "$?" = "0"
+	then
+		with_libxml2="yes"
+	else
+		with_libxml2="no (pkg-config doesn't know library)"
+	fi
+
+	pkg-config --exists libvirt 2>/dev/null
+	if test "$?" = "0"
+	then
+		with_libvirt="yes"
+	else
+		with_libvirt="no (pkg-config doesn't know library)"
+	fi
+fi
+if test "x$with_libxml2" = "xyes"
+then
+	with_libxml2_cflags="`pkg-config --cflags libxml-2.0`"
+	if test $? -ne 0
+	then
+		with_libxml2="no"
+	fi
+	with_libxml2_ldflags="`pkg-config --libs libxml-2.0`"
+	if test $? -ne 0
+	then
+		with_libxml2="no"
+	fi
+fi
+if test "x$with_libxml2" = "xyes"
+then
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_libxml2_cflags"
+
+	AC_CHECK_HEADERS(libxml/parser.h, [],
+		      [with_libxml2="no (libxml/parser.h not found)"])
+
+	CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libxml2" = "xyes"
+then
+	SAVE_CFLAGS="$CFLAGS"
+	SAVE_LD_FLAGS="$LDFLAGS"
+
+	CFLAGS="$CFLAGS $with_libxml2_cflags"
+	LDFLAGS="$LDFLAGS $with_libxml2_ldflags"
+
+	AC_CHECK_LIB(xml2, xmlXPathEval,
+		     [with_libxml2="yes"],
+		     [with_libxml2="no (symbol xmlXPathEval not found)"])
+
+	CFLAGS="$SAVE_CFLAGS"
+	LDFLAGS="$SAVE_LDFLAGS"
+fi
+dnl Add the right compiler flags and libraries.
+if test "x$with_libxml2" = "xyes"; then
+	BUILD_WITH_LIBXML2_CFLAGS="$with_libxml2_cflags"
+	BUILD_WITH_LIBXML2_LIBS="$with_libxml2_ldflags"
+	AC_SUBST(BUILD_WITH_LIBXML2_CFLAGS)
+	AC_SUBST(BUILD_WITH_LIBXML2_LIBS)
+fi
+if test "x$with_libvirt" = "xyes"
+then
+	with_libvirt_cflags="`pkg-config --cflags libvirt`"
+	if test $? -ne 0
+	then
+		with_libvirt="no"
+	fi
+	with_libvirt_ldflags="`pkg-config --libs libvirt`"
+	if test $? -ne 0
+	then
+		with_libvirt="no"
+	fi
+fi
+if test "x$with_libvirt" = "xyes"
+then
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_libvirt_cflags"
+
+	AC_CHECK_HEADERS(libvirt/libvirt.h, [],
+		      [with_libvirt="no (libvirt/libvirt.h not found)"])
+
+	CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libvirt" = "xyes"
+then
+	SAVE_CFLAGS="$CFLAGS"
+	SAVE_LD_FLAGS="$LDFLAGS"
+
+	CFLAGS="$CFLAGS $with_libvirt_cflags"
+	LDFLAGS="$LDFLAGS $with_libvirt_ldflags"
+
+	AC_CHECK_LIB(virt, virDomainBlockStats,
+		     [with_libvirt="yes"],
+		     [with_libvirt="no (symbol virDomainBlockStats not found)"])
+
+	CFLAGS="$SAVE_CFLAGS"
+	LDFLAGS="$SAVE_LDFLAGS"
+fi
+dnl Add the right compiler flags and libraries.
+if test "x$with_libvirt" = "xyes"; then
+	BUILD_WITH_LIBVIRT_CFLAGS="$with_libvirt_cflags"
+	BUILD_WITH_LIBVIRT_LIBS="$with_libvirt_ldflags"
+	AC_SUBST(BUILD_WITH_LIBVIRT_CFLAGS)
+	AC_SUBST(BUILD_WITH_LIBVIRT_LIBS)
+fi
+
+dnl End of check for libvirt and libxml2 libraries.
+
 # Check for enabled/disabled features
 #
 
@@ -1707,10 +2118,12 @@ plugin_entropy="no"
 plugin_interface="no"
 plugin_ipvs="no"
 plugin_irq="no"
+plugin_libvirt="no"
 plugin_load="no"
 plugin_memory="no"
 plugin_multimeter="no"
 plugin_nfs="no"
+plugin_perl="no"
 plugin_processes="no"
 plugin_serial="no"
 plugin_swap="no"
@@ -1798,11 +2211,21 @@ then
 	plugin_interface="yes"
 fi
 
+if test "x$with_libxml2" = "xyes" && test "x$with_libvirt" = "xyes"
+then
+	plugin_libvirt="yes"
+fi
+
 if test "x$have_getloadavg" = "xyes"
 then
 	plugin_load="yes"
 fi
 
+if test "x$have_libperl$have_perl_ithreads" = "xyesyes"
+then
+	plugin_perl="yes"
+fi
+
 # Mac OS X memory interface
 if test "x$have_host_statistics" = "xyes"
 then
@@ -1856,6 +2279,7 @@ AC_PLUGIN([interface],   [$plugin_interface],  [Interface traffic statistics])
 AC_PLUGIN([iptables],    [$with_libiptc],      [IPTables rule counters])
 AC_PLUGIN([ipvs],        [$plugin_ipvs],       [IPVS connection statistics])
 AC_PLUGIN([irq],         [$plugin_irq],        [IRQ statistics])
+AC_PLUGIN([libvirt],     [$plugin_libvirt],    [Virtual machine statistics])
 AC_PLUGIN([load],        [$plugin_load],       [System load])
 AC_PLUGIN([logfile],     [yes],                [File logging plugin])
 AC_PLUGIN([mbmon],       [yes],                [Query mbmond])
@@ -1869,7 +2293,7 @@ AC_PLUGIN([nfs],         [$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],        [$with_libperl],      [Embed a Perl interpreter])
+AC_PLUGIN([perl],        [$plugin_perl],       [Embed a Perl interpreter])
 AC_PLUGIN([ping],        [$with_liboping],     [Network latency statistics])
 AC_PLUGIN([processes],   [$plugin_processes],  [Process statistics])
 AC_PLUGIN([rrdtool],     [$with_rrdtool],      [RRDTool output plugin])
@@ -1882,6 +2306,7 @@ AC_PLUGIN([tape],        [$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([uuid],        [yes],                [UUID as hostname plugin])
 AC_PLUGIN([vserver],     [$plugin_vserver],    [Linux VServer statistics])
 AC_PLUGIN([wireless],    [$plugin_wireless],   [Wireless statistics])
 AC_PLUGIN([xmms],        [$with_libxmms],      [XMMS statistics])
@@ -1906,7 +2331,12 @@ AC_ARG_WITH(perl-bindings, [AS_HELP_STRING([--with-perl-bindings@<:@=OPTIONS@:>@
 ],
 [
 	PERL_BINDINGS_OPTIONS=""
-	with_perl_bindings="yes"
+	if test -n "$perl_interpreter"
+	then
+		with_perl_bindings="yes"
+	else
+		with_perl_bindings="no (no perl interpreter found)"
+	fi
 ])
 if test "x$with_perl_bindings" = "xyes"
 then
@@ -1919,6 +2349,11 @@ AC_SUBST(PERL_BINDINGS_OPTIONS)
 
 AC_OUTPUT(Makefile src/Makefile src/collectd.conf src/liboconfig/Makefile src/liboping/Makefile bindings/Makefile)
 
+if test "x$with_rrdtool" = "xyes" -a "x$librrd_threadsafe" != "xyes"
+then
+	with_rrdtool="yes (warning: librrd is not thread-safe)"
+fi
+
 if test "x$with_liboping" = "xyes" -a "x$with_own_liboping" = "xyes"
 then
 	with_liboping="yes (shipped version)"
@@ -1957,6 +2392,8 @@ Configuration:
     libsensors  . . . . $with_lm_sensors
     libstatgrab . . . . $with_libstatgrab
     libupsclient  . . . $with_libupsclient
+    libvirt . . . . . . $with_libvirt
+    libxml2 . . . . . . $with_libxml2
     libxmms . . . . . . $with_libxmms
 
   Features:
@@ -1985,6 +2422,7 @@ Configuration:
     iptables  . . . . . $enable_iptables
     ipvs  . . . . . . . $enable_ipvs
     irq . . . . . . . . $enable_irq
+    libvirt . . . . . . $enable_libvirt
     load  . . . . . . . $enable_load
     logfile . . . . . . $enable_logfile
     mbmon . . . . . . . $enable_mbmon
@@ -2011,6 +2449,7 @@ Configuration:
     tcpconns  . . . . . $enable_tcpconns
     unixsock  . . . . . $enable_unixsock
     users . . . . . . . $enable_users
+    uuid  . . . . . . . $enable_uuid
     vserver . . . . . . $enable_vserver
     wireless  . . . . . $enable_wireless
     xmms  . . . . . . . $enable_xmms