X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.in;h=b6a4d0fda850c8fe3fd97c452f3b7cb21b6febd5;hb=2b65cef7870c385b9b56b34701ced62528f3f7c0;hp=fc39c37ababf7ed0149f067c5150102d45015b97;hpb=4377f740c442ce752f0dc9a17bbb36114d071e74;p=collectd.git

diff --git a/configure.in b/configure.in
index fc39c37a..b6a4d0fd 100644
--- a/configure.in
+++ b/configure.in
@@ -65,14 +65,20 @@ then
 	AC_SUBST(KERNEL_CFLAGS)
 fi
 
+if test "x$ac_system" = "xSolaris"
+then
+	CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
+fi
+
 #
 # Checks for header files.
 #
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_HEADER_DIRENT
+AC_HEADER_STDBOOL
 
-AC_CHECK_HEADERS(stdio.h stdint.h stdbool.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 sys/isa_defs.h)
+AC_CHECK_HEADERS(stdio.h stdint.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 sys/isa_defs.h)
 
 # For ping library
 AC_CHECK_HEADERS(netinet/in_systm.h, [], [],
@@ -240,7 +246,8 @@ AC_CHECK_HEADERS(IOKit/ps/IOPowerSources.h, [], [],
 ])
 
 # For the swap module
-AC_CHECK_HEADERS(sys/swap.h, [], [],
+have_sys_swap_h="yes"
+AC_CHECK_HEADERS(sys/swap.h, [], [have_sys_swap_h="no"],
 [
 #if HAVE_SYS_TYPES_H
 #  include <sys/types.h>
@@ -250,6 +257,11 @@ AC_CHECK_HEADERS(sys/swap.h, [], [],
 #endif
 ])
 
+if test "x$have_sys_swap_h$ac_system" = "xnoSolaris"
+then
+	AC_MSG_NOTICE([Solaris detected and sys/swap.h not found: Try building a 64bit binary.])
+fi
+
 # For load module
 # For the processes plugin
 # For users module
@@ -394,7 +406,7 @@ AC_CHECK_FUNCS(gettimeofday select strdup strtol getaddrinfo getnameinfo strchr
 AC_FUNC_STRERROR_R
 
 AC_CACHE_CHECK([for strtok_r],
-  [have_strtok_r_default],
+  [c_cv_have_strtok_r_default],
   AC_LINK_IFELSE(
     AC_LANG_PROGRAM(
     [[[[
@@ -416,18 +428,18 @@ AC_CACHE_CHECK([for strtok_r],
         printf ("token = %s;\n", token);
       }
     ]]]]),
-    [have_strtok_r_default="yes"],
-    [have_strtok_r_default="no"]
+    [c_cv_have_strtok_r_default="yes"],
+    [c_cv_have_strtok_r_default="no"]
   )
 )
 
-if test "x$have_strtok_r_default" = "xno"
+if test "x$c_cv_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],
+    [c_cv_have_strtok_r_reentrant],
     AC_LINK_IFELSE(
       AC_LANG_PROGRAM(
       [[[[
@@ -449,7 +461,7 @@ then
           printf ("token = %s;\n", token);
         }
       ]]]]),
-      [have_strtok_r_reentrant="yes"],
+      [c_cv_have_strtok_r_reentrant="yes"],
       [AC_MSG_FAILURE([strtok_r isn't available. Please file a bugreport!])]
     )
   )
@@ -493,7 +505,7 @@ AC_ARG_WITH(nan-emulation, [AS_HELP_STRING([--with-nan-emulation], [use emulated
 [nan_type="none"])
 if test "x$nan_type" = "xnone"; then
   AC_CACHE_CHECK([whether NAN is defined by default],
-    [have_nan_default],
+    [c_cv_have_nan_default],
     AC_COMPILE_IFELSE(
       AC_LANG_PROGRAM(
       [[
@@ -507,18 +519,18 @@ static float foo = NAN;
        else
 	return 1;
       ]]),
-      [have_nan_default="yes"],
-      [have_nan_default="no"]
+      [c_cv_have_nan_default="yes"],
+      [c_cv_have_nan_default="no"]
     )
   )
-  if test "x$have_nan_default" = "xyes"
+  if test "x$c_cv_have_nan_default" = "xyes"
   then
     nan_type="default"
   fi
 fi
 if test "x$nan_type" = "xnone"; then
   AC_CACHE_CHECK([whether NAN is defined by __USE_ISOC99],
-    [have_nan_isoc],
+    [c_cv_have_nan_isoc],
     AC_COMPILE_IFELSE(
       AC_LANG_PROGRAM(
       [[
@@ -533,18 +545,18 @@ static float foo = NAN;
        else
 	return 1;
       ]]),
-      [have_nan_isoc="yes"],
-      [have_nan_isoc="no"]
+      [c_cv_have_nan_isoc="yes"],
+      [c_cv_have_nan_isoc="no"]
     )
   )
-  if test "x$have_nan_isoc" = "xyes"
+  if test "x$c_cv_have_nan_isoc" = "xyes"
   then
     nan_type="isoc99"
   fi
 fi
 if test "x$nan_type" = "xnone"; then
   AC_CACHE_CHECK([whether NAN can be defined by 0/0],
-    [have_nan_zero],
+    [c_cv_have_nan_zero],
     AC_RUN_IFELSE(
       AC_LANG_PROGRAM(
       [[
@@ -565,11 +577,11 @@ static float foo = NAN;
        else
 	return 1;
       ]]),
-      [have_nan_zero="yes"],
-      [have_nan_zero="no"]
+      [c_cv_have_nan_zero="yes"],
+      [c_cv_have_nan_zero="no"]
     )
   )
-  if test "x$have_nan_zero" = "xyes"
+  if test "x$c_cv_have_nan_zero" = "xyes"
   then
     nan_type="zero"
   fi
@@ -604,7 +616,7 @@ fi; fi; fi
 
 if test "x$fp_layout_type" = "xunknown"; then
   AC_CACHE_CHECK([if doubles are stored in x86 representation],
-    [fp_layout_need_nothing],
+    [c_cv_fp_layout_need_nothing],
     AC_RUN_IFELSE(
       AC_LANG_PROGRAM(
       [[[[
@@ -633,17 +645,17 @@ if test "x$fp_layout_type" = "xunknown"; then
 	else
 		return (1);
       ]]]]),
-      [fp_layout_need_nothing="yes"],
-      [fp_layout_need_nothing="no"]
+      [c_cv_fp_layout_need_nothing="yes"],
+      [c_cv_fp_layout_need_nothing="no"]
     )
   )
-  if test "x$fp_layout_need_nothing" = "xyes"; then
+  if test "x$c_cv_fp_layout_need_nothing" = "xyes"; then
     fp_layout_type="nothing"
   fi
 fi
 if test "x$fp_layout_type" = "xunknown"; then
   AC_CACHE_CHECK([if endianflip converts to x86 representation],
-    [fp_layout_need_endianflip],
+    [c_cv_fp_layout_need_endianflip],
     AC_RUN_IFELSE(
       AC_LANG_PROGRAM(
       [[[[
@@ -680,17 +692,17 @@ if test "x$fp_layout_type" = "xunknown"; then
 	else
 		return (1);
       ]]]]),
-      [fp_layout_need_endianflip="yes"],
-      [fp_layout_need_endianflip="no"]
+      [c_cv_fp_layout_need_endianflip="yes"],
+      [c_cv_fp_layout_need_endianflip="no"]
     )
   )
-  if test "x$fp_layout_need_endianflip" = "xyes"; then
+  if test "x$c_cv_fp_layout_need_endianflip" = "xyes"; then
     fp_layout_type="endianflip"
   fi
 fi
 if test "x$fp_layout_type" = "xunknown"; then
   AC_CACHE_CHECK([if intswap converts to x86 representation],
-    [fp_layout_need_intswap],
+    [c_cv_fp_layout_need_intswap],
     AC_RUN_IFELSE(
       AC_LANG_PROGRAM(
       [[[[
@@ -721,11 +733,11 @@ if test "x$fp_layout_type" = "xunknown"; then
 	else
 		return (1);
       ]]]]),
-      [fp_layout_need_intswap="yes"],
-      [fp_layout_need_intswap="no"]
+      [c_cv_fp_layout_need_intswap="yes"],
+      [c_cv_fp_layout_need_intswap="no"]
     )
   )
-  if test "x$fp_layout_need_intswap" = "xyes"; then
+  if test "x$c_cv_fp_layout_need_intswap" = "xyes"; then
     fp_layout_type="intswap"
   fi
 fi
@@ -764,10 +776,9 @@ fi
 
 if test "x$have_getmntent" = "xc"; then
 	AC_CACHE_CHECK([whether getmntent takes one argument],
-		[have_one_getmntent],
+		[c_cv_have_one_getmntent],
 		AC_COMPILE_IFELSE(
 			AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
-#include <mntent.h>
 #include "$srcdir/src/utils_mount.h"]],
 				[[
 				 FILE *fh;
@@ -776,15 +787,14 @@ if test "x$have_getmntent" = "xc"; then
 				 me = getmntent (fh);
 				]]
 			),
-			[have_one_getmntent="yes"],
-			[have_one_getmntent="no"]
+			[c_cv_have_one_getmntent="yes"],
+			[c_cv_have_one_getmntent="no"]
 		)
 	)
 	AC_CACHE_CHECK([whether getmntent takes two arguments],
-		[have_two_getmntent],
+		[c_cv_have_two_getmntent],
 		AC_COMPILE_IFELSE(
 			AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
-#include <sys/mnttab.h>
 #include "$srcdir/src/utils_mount.h"]],
 				[[
 				 FILE *fh;
@@ -794,8 +804,8 @@ if test "x$have_getmntent" = "xc"; then
 				 status = getmntent (fh, &mt);
 				]]
 			),
-			[have_two_getmntent="yes"],
-			[have_two_getmntent="no"]
+			[c_cv_have_two_getmntent="yes"],
+			[c_cv_have_two_getmntent="no"]
 		)
 	)
 fi
@@ -803,11 +813,11 @@ fi
 # Check for different versions of `getmntent' here..
 
 if test "x$have_getmntent" = "xc"; then
-	if test "x$have_one_getmntent" = "xyes"; then
+	if test "x$c_cv_have_one_getmntent" = "xyes"; then
 		AC_DEFINE(HAVE_ONE_GETMNTENT, 1,
 			  [Define if the function getmntent exists and takes one argument.])
 	fi
-	if test "x$have_two_getmntent" = "xyes"; then
+	if test "x$c_cv_have_two_getmntent" = "xyes"; then
 		AC_DEFINE(HAVE_TWO_GETMNTENT, 1,
 			  [Define if the function getmntent exists and takes two arguments.])
 	fi
@@ -844,6 +854,37 @@ AC_CHECK_MEMBERS([struct net_device_stats.rx_bytes, struct net_device_stats.tx_p
 	#include <linux/netdevice.h>
 	])
 
+AC_CHECK_MEMBERS([struct kinfo_proc.ki_pid, struct kinfo_proc.ki_rssize, struct kinfo_proc.ki_rusage],
+	[
+		AC_DEFINE(HAVE_STRUCT_KINFO_PROC_FREEBSD, 1,
+			[Define if struct kinfo_proc exists in the FreeBSD variant.])
+		have_struct_kinfo_proc_freebsd="yes"
+	],
+	[
+		have_struct_kinfo_proc_freebsd="no"
+	],
+	[
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+	])
+
+AC_CHECK_MEMBERS([struct kinfo_proc.kp_proc, struct kinfo_proc.kp_eproc],
+	[
+		AC_DEFINE(HAVE_STRUCT_KINFO_PROC_OPENBSD, 1,
+			[Define if struct kinfo_proc exists in the OpenBSD variant.])
+		have_struct_kinfo_proc_openbsd="yes"
+	],
+	[
+		have_struct_kinfo_proc_openbsd="no"
+	],
+	[
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <kvm.h>
+	])
+
 AC_CHECK_MEMBERS([struct udphdr.uh_dport, struct udphdr.uh_sport], [], [],
 [#if HAVE_STDINT_H
 # include <stdint.h>
@@ -1263,6 +1304,15 @@ then
 fi
 AM_CONDITIONAL(BUILD_WITH_LIBKVM_NLIST, test "x$with_kvm_nlist" = "xyes")
 
+AC_CHECK_LIB(kvm, kvm_openfiles, [with_kvm_openfiles="yes"], [with_kvm_openfiles="no"])
+if test "x$with_kvm_openfiles" = "xyes"
+then
+	AC_DEFINE(HAVE_LIBKVM_NLIST, 1,
+		  [Define to 1 if you have the 'kvm' library with the 'kvm_openfiles' symbol (-lkvm)])
+	with_libkvm="yes"
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBKVM_OPENFILES, test "x$with_kvm_openfiles" = "xyes")
+
 with_sensors_cflags=""
 with_sensors_ldflags=""
 AC_ARG_WITH(lm-sensors, [AS_HELP_STRING([--with-lm-sensors@<:@=PREFIX@:>@], [Path to lm_sensors.])],
@@ -1359,12 +1409,24 @@ then
 
 	if test $mysql_config_status -ne 0
 	then
-		with_libmysql="no"
+		with_libmysql="no ($with_mysql_config failed)"
 	else
 		SAVE_CPPFLAGS="$CPPFLAGS"
 		CPPFLAGS="$CPPFLAGS $with_mysql_cflags"
 
-		AC_CHECK_HEADERS(mysql/mysql.h, [], [with_libmysql="no (mysql/mysql.h not found)"], [])
+		have_mysql_h="no"
+		have_mysql_mysql_h="no"
+		AC_CHECK_HEADERS(mysql.h, [have_mysql_h="yes"])
+
+		if test "x$have_mysql_h" = "xno"
+		then
+			AC_CHECK_HEADERS(mysql/mysql.h, [have_mysql_mysql_h="yes"])
+		fi
+
+		if test "x$have_mysql_h$have_mysql_mysql_h" = "xnono"
+		then
+			with_libmysql="no (mysql.h not found)"
+		fi
 
 		CPPFLAGS="$SAVE_CPPFLAGS"
 	fi
@@ -1376,12 +1438,17 @@ then
 
 	if test $mysql_config_status -ne 0
 	then
-		with_libmysql="no"
+		with_libmysql="no ($with_mysql_config failed)"
 	else
 		AC_CHECK_LIB(mysqlclient, mysql_init,
 		 [with_libmysql="yes"],
 		 [with_libmysql="no (symbol 'mysql_init' not found)"],
 		 [$with_mysql_libs])
+
+		AC_CHECK_LIB(mysqlclient, mysql_get_server_version,
+		 [with_libmysql="yes"],
+		 [with_libmysql="no (symbol 'mysql_get_server_version' not found)"],
+		 [$with_mysql_libs])
 	fi
 fi
 if test "x$with_libmysql" = "xyes"
@@ -1616,7 +1683,11 @@ AM_CONDITIONAL(BUILD_WITH_LIBESMTP, test "x$with_libesmtp" = "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"
+ 	if test -x "$withval"
+	then
+		perl_interpreter="$withval"
+		with_libperl="yes"
+	else if test "x$withval" != "xno" && test "x$withval" != "xyes"
 	then
 		LDFLAGS="$LDFLAGS -L$withval/lib"
 		CPPFLAGS="$CPPFLAGS -I$withval/include"
@@ -1624,7 +1695,7 @@ AC_ARG_WITH(libperl, [AS_HELP_STRING([--with-libperl@<:@=PREFIX@:>@], [Path to l
 		with_libperl="yes"
 	else
 		with_libperl="$withval"
-	fi
+	fi; fi
 ],
 [
 	with_libperl="yes"
@@ -1634,7 +1705,7 @@ AC_MSG_CHECKING([for perl])
 perl_interpreter=`which "$perl_interpreter" 2> /dev/null`
 if test -x "$perl_interpreter"
 then
-	AC_MSG_RESULT([yes])
+	AC_MSG_RESULT([yes ($perl_interpreter)])
 else
 	perl_interpreter=""
 	AC_MSG_RESULT([no])
@@ -1647,32 +1718,34 @@ 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`
+dnl ARCHFLAGS="" -> disable multi -arch on OSX (see Config_heavy.pl:fetch_string)
+  PERL_CFLAGS=`ARCHFLAGS="" $perl_interpreter -MExtUtils::Embed -e ccopts`
+  PERL_LDFLAGS=`ARCHFLAGS="" $perl_interpreter -MExtUtils::Embed -e ldopts`
   CFLAGS="$CFLAGS $PERL_CFLAGS"
   LDFLAGS="$LDFLAGS $PERL_LDFLAGS"
 
   AC_CACHE_CHECK([for libperl],
-    [have_libperl],
+    [c_cv_have_libperl],
     AC_LINK_IFELSE(
       AC_LANG_PROGRAM(
       [[
+#define PERL_NO_GET_CONTEXT
 #include <EXTERN.h>
 #include <perl.h>
 #include <XSUB.h>
       ]],
       [[
-       PerlInterpreter *perl = NULL;
-       Perl_load_module (perl, PERL_LOADMOD_NOIMPORT,
+       dTHX;
+       load_module (PERL_LOADMOD_NOIMPORT,
 			 newSVpv ("Collectd::Plugin::FooBar", 24),
 			 Nullsv);
       ]]),
-      [have_libperl="yes"],
-      [have_libperl="no"]
+      [c_cv_have_libperl="yes"],
+      [c_cv_have_libperl="no"]
     )
   )
 
-  if test "x$have_libperl" = "xyes"
+  if test "x$c_cv_have_libperl" = "xyes"
   then
 	  AC_DEFINE(HAVE_LIBPERL, 1, [Define if libperl is present and usable.])
 	  AC_SUBST(PERL_CFLAGS)
@@ -1685,7 +1758,7 @@ then
   LDFLAGS=$SAVE_LDFLAGS
 else if test -z "$perl_interpreter"; then
   with_libperl="no (no perl interpreter found)"
-  have_libperl="no"
+  c_cv_have_libperl="no"
 fi; fi
 AM_CONDITIONAL(BUILD_WITH_LIBPERL, test "x$with_libperl" = "xyes")
 
@@ -1697,7 +1770,7 @@ then
 	LDFLAGS="$LDFLAGS $PERL_LDFLAGS"
 
 	AC_CACHE_CHECK([if perl supports ithreads],
-		[have_perl_ithreads],
+		[c_cv_have_perl_ithreads],
 		AC_LINK_IFELSE(
 			AC_LANG_PROGRAM(
 			[[
@@ -1710,12 +1783,12 @@ then
 #endif /* !defined(USE_ITHREADS) */
 			]],
 			[[ ]]),
-			[have_perl_ithreads="yes"],
-			[have_perl_ithreads="no"]
+			[c_cv_have_perl_ithreads="yes"],
+			[c_cv_have_perl_ithreads="no"]
 		)
 	)
 
-	if test "x$have_perl_ithreads" = "xyes"
+	if test "x$c_cv_have_perl_ithreads" = "xyes"
 	then
 		AC_DEFINE(HAVE_PERL_ITHREADS, 1, [Define if Perl supports ithreads.])
 	fi
@@ -1857,32 +1930,93 @@ PKG_CHECK_MODULES([LIBNOTIFY], [libnotify],
 		[with_libnotify="yes"],
 		[with_libnotify="no ($LIBNOTIFY_PKG_ERRORS)"])
 
-with_libupsclient="no (pkg-config isn't available)"
+with_libupsclient_config=""
 with_libupsclient_cflags=""
 with_libupsclient_libs=""
-if test "x$PKG_CONFIG" != "x"
-then
-	pkg-config --exists 'libupsclient' 2>/dev/null
-	if test "$?" = "0"
+AC_ARG_WITH(libupsclient, [AS_HELP_STRING([--with-libupsclient@<:@=PREFIX@:>@], [Path to the Net-SNMPD library.])],
+[
+	if test "x$withval" = "xno"
+	then
+		with_libupsclient="no"
+	else if test "x$withval" = "xyes"
 	then
-		with_libupsclient="yes"
+		with_libupsclient="use_pkgconfig"
 	else
+		if test -x "$withval"
+		then
+			with_libupsclient_config="$withval"
+			with_libupsclient="use_libupsclient_config"
+		else if test -x "$withval/bin/libupsclient-config"
+		then
+			with_libupsclient_config="$withval/bin/net-snmp-config"
+			with_libupsclient="use_libupsclient_config"
+		else
+			AC_MSG_NOTICE([Not checking for libupsclient: Manually configured])
+			with_libupsclient_cflags="-I$withval/include"
+			with_libupsclient_libs="-L$withval/lib -lupsclient"
+			with_libupsclient="yes"
+		fi; fi
+	fi; fi
+],
+[with_libupsclient="use_pkgconfig"])
+
+# configure using libupsclient-config
+if test "x$with_libupsclient" = "xuse_libupsclient_config"
+then
+	AC_MSG_NOTICE([Checking for libupsclient using $with_libupsclient_config])
+	with_libupsclient_cflags="`$with_libupsclient_config --cflags`"
+	if test $? -ne 0
+	then
+		with_libupsclient="no ($with_libupsclient_config failed)"
+	fi
+	with_libupsclient_libs="`$with_libupsclient_config --libs`"
+	if test $? -ne 0
+	then
+		with_libupsclient="no ($with_libupsclient_config failed)"
+	fi
+fi
+if test "x$with_libupsclient" = "xuse_libupsclient_config"
+then
+	with_libupsclient="yes"
+fi
+
+# configure using pkg-config
+if test "x$with_libupsclient" = "xuse_pkgconfig"
+then
+	if test "x$PKG_CONFIG" = "x"
+	then
+		with_libupsclient="no (Don't have pkg-config)"
+	fi
+fi
+if test "x$with_libupsclient" = "xuse_pkgconfig"
+then
+	AC_MSG_NOTICE([Checking for libupsclient using $PKG_CONFIG])
+	$PKG_CONFIG --exists 'libupsclient' 2>/dev/null
+	if test $? -ne 0
+	then
 		with_libupsclient="no (pkg-config doesn't know library)"
 	fi
 fi
-if test "x$with_libupsclient" = "xyes"
+if test "x$with_libupsclient" = "xuse_pkgconfig"
 then
-	with_libupsclient_cflags="`pkg-config --cflags 'libupsclient'`"
+	with_libupsclient_cflags="`$PKG_CONFIG --cflags 'libupsclient'`"
 	if test $? -ne 0
 	then
-		with_libupsclient="no"
+		with_libupsclient="no ($PKG_CONFIG failed)"
 	fi
-	with_libupsclient_libs="`pkg-config --libs 'libupsclient'`"
+	with_libupsclient_libs="`$PKG_CONFIG --libs 'libupsclient'`"
 	if test $? -ne 0
 	then
-		with_libupsclient="no"
+		with_libupsclient="no ($PKG_CONFIG failed)"
 	fi
 fi
+if test "x$with_libupsclient" = "xuse_pkgconfig"
+then
+	with_libupsclient="yes"
+fi
+
+# with_libupsclient_cflags and with_libupsclient_libs are set up now, let's do
+# the actual checks.
 if test "x$with_libupsclient" = "xyes"
 then
 	SAVE_CPPFLAGS="$CPPFLAGS"
@@ -2474,7 +2608,13 @@ AC_DEFUN(
     ])
     if test "x$enable_plugin" = "xyes"
     then
-	    AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
+	    if test "x$2" = "xyes"
+	    then
+		    AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
+	    else # User passed "yes" but dependency checking yielded "no" => Dependency problem.
+		    dependency_error="yes"
+		    enable_plugin="no (dependency error)"
+	    fi
     fi
     AM_CONDITIONAL([BUILD_PLUGIN_]my_toupper([$1]), test "x$enable_plugin" = "xyes")
     enable_$1="$enable_plugin"
@@ -2488,6 +2628,7 @@ AC_COLLECTD([debug],     [enable],  [feature], [debugging])
 AC_COLLECTD([daemon],    [disable], [feature], [daemon mode])
 AC_COLLECTD([getifaddrs],[enable],  [feature], [getifaddrs under Linux])
 
+dependency_error="no"
 plugin_ascent="no"
 plugin_battery="no"
 plugin_cpu="no"
@@ -2563,10 +2704,14 @@ then
 	plugin_disk="yes"
 	plugin_interface="yes"
 	plugin_memory="yes"
-	plugin_swap="yes"
 	plugin_tape="yes"
 fi
 
+if test "x$have_sys_swap_h$with_kstat$ac_system" = "xyesyesSolaris"
+then
+	plugin_swap="yes"
+fi
+
 # libstatgrab
 if test "x$with_libstatgrab" = "xyes"
 then
@@ -2600,14 +2745,40 @@ then
 	plugin_tcpconns="yes"
 fi
 
-if test "x$have_statfs" = "xyes"
+# Df plugin: Check if we know how to determine mount points first.
+#if test "x$have_listmntent" = "xyes"; then
+#	plugin_df="yes"
+#fi
+if test "x$have_getvfsstat" = "xyes" || test "x$have_getfsstat" = "xyes"
 then
 	plugin_df="yes"
 fi
-if test "x$have_statvfs" = "xyes"
+if test "x$c_cv_have_two_getmntent" = "xyes" || test "x$have_getmntent" = "xgen" || test "x$have_getmntent" = "xsun"
 then
 	plugin_df="yes"
 fi
+#if test "x$have_getmntent" = "xseq"
+#then
+#	plugin_df="yes"
+#fi
+if test "x$c_cv_have_one_getmntent" = "xyes"
+then
+	plugin_df="yes"
+fi
+
+# Df plugin: Check if we have either `statfs' or `statvfs' second.
+if test "x$plugin_df" = "xyes"
+then
+	plugin_df="no"
+	if test "x$have_statfs" = "xyes"
+	then
+		plugin_df="yes"
+	fi
+	if test "x$have_statvfs" = "xyes"
+	then
+		plugin_df="yes"
+	fi
+fi
 
 if test "x$have_getifaddrs" = "xyes"
 then
@@ -2624,7 +2795,7 @@ then
 	plugin_load="yes"
 fi
 
-if test "x$have_libperl$have_perl_ithreads" = "xyesyes"
+if test "x$c_cv_have_libperl$c_cv_have_perl_ithreads" = "xyesyes"
 then
 	plugin_perl="yes"
 fi
@@ -2645,7 +2816,7 @@ then
 	plugin_processes="yes"
 fi
 
-if test "x$with_kvm_getprocs" = "xyes"
+if test "x$with_kvm_getprocs" = "xyes" && test "x$have_struct_kinfo_proc_freebsd" = "xyes"
 then
 	plugin_processes="yes"
 fi
@@ -2655,7 +2826,7 @@ then
 	plugin_swap="yes"
 fi
 
-if test "x$with_kvm_nlist" = "xyes"
+if test "x$with_kvm_openfiles$with_kvm_nlist" = "xyesyes"
 then
 	plugin_tcpconns="yes"
 fi
@@ -2856,6 +3027,7 @@ Configuration:
     email . . . . . . . . $enable_email
     entropy . . . . . . . $enable_entropy
     exec  . . . . . . . . $enable_exec
+    filecount . . . . . . $enable_filecount
     hddtemp . . . . . . . $enable_hddtemp
     interface . . . . . . $enable_interface
     iptables  . . . . . . $enable_iptables
@@ -2904,3 +3076,7 @@ Configuration:
     xmms  . . . . . . . . $enable_xmms
 
 EOF
+
+if test "x$dependency_error" = "xyes"; then
+	AC_MSG_ERROR("Some plugins are missing dependencies - see above summary for details")
+fi