X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.in;h=9c1910ef49981d48585c56526dc14a55d55bf358;hb=bacc5b925ea8c63eb57dc4b55f4b4abbe1b1d07c;hp=3770910fe5a54c33ae2ea70b118bd4437d5bbc1b;hpb=33163ee3018711073cafd31b12bb497626d9aaa0;p=collectd.git

diff --git a/configure.in b/configure.in
index 3770910f..9c1910ef 100644
--- a/configure.in
+++ b/configure.in
@@ -2,6 +2,25 @@ 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)
+
+m4_ifdef([LT_PACKAGE_VERSION],
+	# libtool >= 2.2
+	[
+	 LT_CONFIG_LTDL_DIR([libltdl])
+	 LT_INIT([dlopen])
+	 LTDL_INIT([convenience])
+	]
+,
+	# libtool <= 1.5
+	[
+	 AC_LIBLTDL_CONVENIENCE
+	 AC_SUBST(LTDLINCL)
+	 AC_SUBST(LIBLTDL)
+	 AC_LIBTOOL_DLOPEN
+	 AC_CONFIG_SUBDIRS(libltdl)
+	]
+)
+
 AM_INIT_AUTOMAKE(dist-bzip2)
 AC_LANG(C)
 
@@ -20,17 +39,11 @@ AC_PROG_MAKE_SET
 AM_PROG_CC_C_O
 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
 PKG_PROG_PKG_CONFIG
-AC_CONFIG_SUBDIRS(libltdl)
 
 AC_MSG_CHECKING([for kernel type ($host_os)])
 case $host_os in
@@ -94,8 +107,9 @@ AM_CONDITIONAL(BUILD_FEATURE_STANDARDS, test "x$enable_standards" = "xyes")
 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, [], [],
@@ -264,8 +278,10 @@ AC_CHECK_HEADERS(IOKit/ps/IOPowerSources.h, [], [],
 
 # For the swap module
 have_sys_swap_h="yes"
-AC_CHECK_HEADERS(sys/swap.h, [], [have_sys_swap_h="no"],
+AC_CHECK_HEADERS(sys/swap.h vm/anon.h, [], [have_sys_swap_h="no"],
 [
+#undef _FILE_OFFSET_BITS
+#undef _LARGEFILE64_SOURCE
 #if HAVE_SYS_TYPES_H
 #  include <sys/types.h>
 #endif
@@ -276,7 +292,14 @@ AC_CHECK_HEADERS(sys/swap.h, [], [have_sys_swap_h="no"],
 
 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.])
+	hint_64=""
+	if test "x$GCC" = "xyes"
+	then
+		hint_64="CFLAGS='-m64'"
+	else
+		hint_64="CFLAGS='-xarch=v9'"
+	fi
+	AC_MSG_NOTICE([Solaris detected and sys/swap.h not usable. Try building a 64-bit binary ($hint_64 ./configure).])
 fi
 
 # For load module
@@ -813,7 +836,6 @@ if test "x$have_getmntent" = "xc"; then
 		[c_cv_have_one_getmntent],
 		AC_COMPILE_IFELSE(
 			AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
-#include <mntent.h>
 #include "$srcdir/src/utils_mount.h"]],
 				[[
 				 FILE *fh;
@@ -830,7 +852,6 @@ if test "x$have_getmntent" = "xc"; then
 		[c_cv_have_two_getmntent],
 		AC_COMPILE_IFELSE(
 			AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
-#include <sys/mnttab.h>
 #include "$srcdir/src/utils_mount.h"]],
 				[[
 				 FILE *fh;
@@ -1383,6 +1404,10 @@ then
 	AC_CHECK_LIB(gcrypt, gcry_md_hash_buffer,
 		[with_libgcrypt="yes"],
 		[with_libgcrypt="no (symbol gcry_md_hash_buffer not found)"])
+
+	if test "$with_libgcrypt" != "no"; then
+		AM_PATH_LIBGCRYPT(1:1.2.0,,with_libgcrypt="no (version 1.2.0+ required)")
+	fi
 fi
 
 CPPFLAGS="$SAVE_CPPFLAGS"
@@ -1471,6 +1496,7 @@ with_java_home="$JAVA_HOME"
 with_java_vmtype="client"
 with_java_cflags=""
 with_java_libs=""
+JAVAC="$JAVAC"
 AC_ARG_WITH(java, [AS_HELP_STRING([--with-java@<:@=PREFIX@:>@], [Path to Java home.])],
 [
 	if test "x$withval" = "xno"
@@ -1490,7 +1516,7 @@ then
 	if test -d "$with_java_home"
 	then
 		AC_MSG_CHECKING([for jni.h])
-		TMPDIR=`find -L "$with_java_home" -name jni.h -exec 'dirname' '{}' ';' | head -n 1`
+		TMPDIR=`find -L "$with_java_home" -name jni.h -type f -exec 'dirname' '{}' ';' | head -n 1`
 		if test "x$TMPDIR" != "x"
 		then
 			AC_MSG_RESULT([found in $TMPDIR])
@@ -1500,7 +1526,7 @@ then
 		fi
 
 		AC_MSG_CHECKING([for jni_md.h])
-		TMPDIR=`find -L "$with_java_home" -name jni_md.h -exec 'dirname' '{}' ';' | head -n 1`
+		TMPDIR=`find -L "$with_java_home" -name jni_md.h -type f -exec 'dirname' '{}' ';' | head -n 1`
 		if test "x$TMPDIR" != "x"
 		then
 			AC_MSG_RESULT([found in $TMPDIR])
@@ -1510,14 +1536,27 @@ then
 		fi
 
 		AC_MSG_CHECKING([for libjvm.so])
-		TMPDIR=`find -L "$with_java_home" -name libjvm.so -exec 'dirname' '{}' ';' | head -n 1`
+		TMPDIR=`find -L "$with_java_home" -name libjvm.so -type f -exec 'dirname' '{}' ';' | head -n 1`
 		if test "x$TMPDIR" != "x"
 		then
 			AC_MSG_RESULT([found in $TMPDIR])
-			JAVA_LDFLAGS="$JAVA_LDFLAGS -L$TMPDIR"
+			JAVA_LDFLAGS="$JAVA_LDFLAGS -L$TMPDIR -Wl,-rpath -Wl,$TMPDIR"
 		else
 			AC_MSG_RESULT([not found])
 		fi
+
+		if test "x$JAVAC" = "x"
+		then
+			AC_MSG_CHECKING([for javac])
+			TMPDIR=`find -L "$with_java_home" -name javac -type f | head -n 1`
+			if test "x$TMPDIR" != "x"
+			then
+				JAVAC="$TMPDIR"
+				AC_MSG_RESULT([$JAVAC])
+			else
+				AC_MSG_RESULT([not found])
+			fi
+		fi
 	else if test "x$with_java_home" != "x"
 	then
 		AC_MSG_WARN([JAVA_HOME: No such directory: $with_java_home])
@@ -1536,6 +1575,24 @@ if test "x$JAVA_LDFLAGS" != "x"
 then
 	AC_MSG_NOTICE([Building with JAVA_LDFLAGS set to: $JAVA_LDFLAGS])
 fi
+if test "x$JAVAC" = "x"
+then
+	with_javac_path="$PATH"
+	if test "x$with_java_home" != "x"
+	then
+		with_javac_path="$with_java_home:with_javac_path"
+		if test -d "$with_java_home/bin"
+		then
+			with_javac_path="$with_java_home/bin:with_javac_path"
+		fi
+	fi
+
+	AC_PATH_PROG(JAVAC, javac, [], "$with_javac_path")
+fi
+if test "x$JAVAC" = "x"
+then
+	with_java="no (javac not found)"
+fi
 
 SAVE_CPPFLAGS="$CPPFLAGS"
 SAVE_CFLAGS="$CFLAGS"
@@ -1691,6 +1748,11 @@ then
 		 [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$with_libmysql" = "xyes"
@@ -2904,6 +2966,57 @@ AC_DEFINE_UNQUOTED(HAVE_LIBXMMS, [$with_libxmms_numeric], [Define to 1 if you ha
 AM_CONDITIONAL(BUILD_WITH_LIBXMMS, test "x$with_libxmms" = "xyes")
 # }}}
 
+# --with-libyajl {{{
+with_libyajl_cppflags=""
+with_libyajl_ldflags=""
+AC_ARG_WITH(libyajl, [AS_HELP_STRING([--with-libyajl@<:@=PREFIX@:>@], [Path to libyajl.])],
+[
+	if test "x$withval" != "xno" && test "x$withval" != "xyes"
+	then
+		with_libyajl_cppflags="-I$withval/include"
+		with_libyajl_ldflags="-L$withval/lib"
+		with_libyajl="yes"
+	else
+		with_libyajl="$withval"
+	fi
+],
+[
+	with_libyajl="yes"
+])
+if test "x$with_libyajl" = "xyes"
+then
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_libyajl_cppflags"
+
+	AC_CHECK_HEADERS(yajl/yajl_parse.h, [with_libyajl="yes"], [with_libyajl="no (yajl/yajl_parse.h not found)"])
+
+	CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libyajl" = "xyes"
+then
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	SAVE_LDFLAGS="$LDFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_libyajl_cppflags"
+	LDFLAGS="$LDFLAGS $with_libyajl_ldflags"
+
+	AC_CHECK_LIB(yajl, yajl_alloc, [with_libyajl="yes"], [with_libyajl="no (Symbol 'yajl_alloc' not found)"])
+
+	CPPFLAGS="$SAVE_CPPFLAGS"
+	LDFLAGS="$SAVE_LDFLAGS"
+fi
+if test "x$with_libyajl" = "xyes"
+then
+	BUILD_WITH_LIBYAJL_CPPFLAGS="$with_libyajl_cppflags"
+	BUILD_WITH_LIBYAJL_LDFLAGS="$with_libyajl_ldflags"
+	BUILD_WITH_LIBYAJL_LIBS="-lyajl"
+	AC_SUBST(BUILD_WITH_LIBYAJL_CPPFLAGS)
+	AC_SUBST(BUILD_WITH_LIBYAJL_LDFLAGS)
+	AC_SUBST(BUILD_WITH_LIBYAJL_LIBS)
+	AC_DEFINE(HAVE_LIBYAJL, 1, [Define if libyajl is present and usable.])
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBYAJL, test "x$with_libyajl" = "xyes")
+# }}}
+
 # pkg-config --exists 'libxml-2.0'; pkg-config --exists libvirt {{{
 with_libxml2="no (pkg-config isn't available)"
 with_libxml2_cflags=""
@@ -3176,28 +3289,42 @@ AC_DEFUN(
   [AC_PLUGIN],
   [
     enable_plugin="no"
+    force="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$2" = "xyes"
+     else if test "x$enableval" = "xforce"
      then
 	     enable_plugin="yes"
+	     force="yes"
      else
 	     enable_plugin="no"
-     fi
+     fi; fi
+    ],
+    [
+	 if test "x$enable_all_plugins" = "xauto"
+	 then
+	     if test "x$2" = "xyes"
+	     then
+		     enable_plugin="yes"
+	     else
+		     enable_plugin="no"
+	     fi
+	 else
+	     enable_plugin="$enable_all_plugins"
+	 fi
     ])
     if test "x$enable_plugin" = "xyes"
     then
-	    if test "x$2" = "xyes"
+	    if test "x$2" = "xyes" || test "x$force" = "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
+			    dependency_warning="yes"
+		    fi
 	    else # User passed "yes" but dependency checking yielded "no" => Dependency problem.
 		    dependency_error="yes"
 		    enable_plugin="no (dependency error)"
@@ -3215,11 +3342,14 @@ AC_COLLECTD([debug],     [enable],  [feature], [debugging])
 AC_COLLECTD([daemon],    [disable], [feature], [daemon mode])
 AC_COLLECTD([getifaddrs],[enable],  [feature], [getifaddrs under Linux])
 
+dependency_warning="no"
 dependency_error="no"
+
 plugin_ascent="no"
 plugin_battery="no"
 plugin_bind="no"
 plugin_conntrack="no"
+plugin_couchdb="no"
 plugin_cpu="no"
 plugin_cpufreq="no"
 plugin_df="no"
@@ -3337,6 +3467,11 @@ then
 	plugin_ipmi="yes"
 fi
 
+if test "x$with_libcurl" = "xyes" && test "x$with_libyajl" = "xyes"
+then
+	plugin_couchdb="yes"
+fi
+
 if test "x$have_processor_info" = "xyes"
 then
 	plugin_cpu="yes"
@@ -3355,15 +3490,41 @@ 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
 	plugin_interface="yes"
@@ -3433,6 +3594,24 @@ fi
 m4_divert_once([HELP_ENABLE], [
 collectd plugins:])
 
+AC_ARG_ENABLE([all-plugins],
+		AC_HELP_STRING([--enable-all-plugins],
+				[enable all plugins (auto by def)]),
+		[
+		 if test "x$enableval" = "xyes"
+		 then
+			 enable_all_plugins="yes"
+		 else if test "x$enableval" = "xauto"
+		 then
+			 enable_all_plugins="auto"
+		 else
+			 enable_all_plugins="no"
+		 fi; fi
+		],
+		[enable_all_plugins="auto"])
+
+m4_divert_once([HELP_ENABLE], [])
+
 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])
@@ -3440,6 +3619,7 @@ AC_PLUGIN([ascent],      [$plugin_ascent],     [AscentEmu player statistics])
 AC_PLUGIN([battery],     [$plugin_battery],    [Battery statistics])
 AC_PLUGIN([bind],        [$plugin_bind],       [ISC Bind nameserver statistics])
 AC_PLUGIN([conntrack],   [$plugin_conntrack],  [nf_conntrack statistics])
+AC_PLUGIN([couchdb],     [$plugin_couchdb],    [CouchDB statistics])
 AC_PLUGIN([cpufreq],     [$plugin_cpufreq],    [CPU frequency statistics])
 AC_PLUGIN([cpu],         [$plugin_cpu],        [CPU usage statistics])
 AC_PLUGIN([csv],         [yes],                [CSV output plugin])
@@ -3452,6 +3632,7 @@ AC_PLUGIN([email],       [yes],                [EMail statistics])
 AC_PLUGIN([entropy],     [$plugin_entropy],    [Entropy statistics])
 AC_PLUGIN([exec],        [yes],                [Execution of external programs])
 AC_PLUGIN([filecount],   [yes],                [Count files in directories])
+AC_PLUGIN([fscache],     [$plugin_fscache],    [fscache statistics])
 AC_PLUGIN([gmond],       [$with_libganglia],   [Ganglia plugin])
 AC_PLUGIN([hddtemp],     [yes],                [Query hddtempd])
 AC_PLUGIN([interface],   [$plugin_interface],  [Interface traffic statistics])
@@ -3475,12 +3656,12 @@ AC_PLUGIN([mysql],       [$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([fscache],     [$plugin_fscache],    [fscache statistics])
 AC_PLUGIN([nginx],       [$with_libcurl],      [nginx statistics])
 AC_PLUGIN([notify_desktop], [$with_libnotify], [Desktop notifications])
 AC_PLUGIN([notify_email], [$with_libesmtp],    [Email notifier])
 AC_PLUGIN([ntpd],        [yes],                [NTPd statistics])
 AC_PLUGIN([nut],         [$with_libupsclient], [Network UPS tools statistics])
+AC_PLUGIN([olsrd],       [yes],                [olsrd statistics])
 AC_PLUGIN([onewire],     [$with_libowcapi],    [OneWire sensor statistics])
 AC_PLUGIN([openvpn],     [yes],                [OpenVPN client statistics])
 AC_PLUGIN([oracle],      [$with_oracle],       [Oracle plugin])
@@ -3650,7 +3831,7 @@ AC_SUBST(LCC_VERSION_STRING)
 
 AC_CONFIG_FILES(src/libcollectdclient/lcc_features.h)
 
-AC_OUTPUT(Makefile src/Makefile src/collectd.conf src/libiptc/Makefile src/libcollectdclient/Makefile src/libcollectdclient/libcollectdclient.pc src/liboconfig/Makefile bindings/Makefile)
+AC_OUTPUT(Makefile src/Makefile src/collectd.conf src/libiptc/Makefile src/libcollectdclient/Makefile src/libcollectdclient/libcollectdclient.pc src/liboconfig/Makefile bindings/Makefile bindings/java/Makefile)
 
 if test "x$with_librrd" = "xyes" \
 	&& test "x$librrd_threadsafe" != "xyes"
@@ -3670,6 +3851,11 @@ else
 	enable_perl="no (needs libperl)"
 fi
 
+if test "x$enable_perl" = "xno" && test "x$c_cv_have_perl_ithreads" = "xno"
+then
+	enable_perl="no (libperl doesn't support ithreads)"
+fi
+
 if test "x$with_perl_bindings" = "xyes" \
 	&& test "x$PERL_BINDINGS_OPTIONS" != "x"
 then
@@ -3683,12 +3869,14 @@ Configuration:
     libcurl . . . . . . . $with_libcurl
     libdbi  . . . . . . . $with_libdbi
     libesmtp  . . . . . . $with_libesmtp
+    libganglia  . . . . . $with_libganglia
     libgcrypt . . . . . . $with_libgcrypt
     libiokit  . . . . . . $with_libiokit
     libiptc . . . . . . . $with_libiptc
     libjvm  . . . . . . . $with_java
     libkstat  . . . . . . $with_kstat
     libkvm  . . . . . . . $with_libkvm
+    libmemcached  . . . . $with_libmemcached
     libmysql  . . . . . . $with_libmysql
     libnetlink  . . . . . $with_libnetlink
     libnetsnmp  . . . . . $with_libnetsnmp
@@ -3707,6 +3895,7 @@ Configuration:
     libvirt . . . . . . . $with_libvirt
     libxml2 . . . . . . . $with_libxml2
     libxmms . . . . . . . $with_libxmms
+    libyajl . . . . . . . $with_libyajl
     oracle  . . . . . . . $with_oracle
 
   Features:
@@ -3724,6 +3913,7 @@ Configuration:
     battery . . . . . . . $enable_battery
     bind  . . . . . . . . $enable_bind
     conntrack . . . . . . $enable_conntrack
+    couchdb . . . . . . . $enable_couchdb
     cpu . . . . . . . . . $enable_cpu
     cpufreq . . . . . . . $enable_cpufreq
     csv . . . . . . . . . $enable_csv
@@ -3736,6 +3926,7 @@ Configuration:
     entropy . . . . . . . $enable_entropy
     exec  . . . . . . . . $enable_exec
     filecount . . . . . . $enable_filecount
+    fscache . . . . . . . $enable_fscache
     gmond . . . . . . . . $enable_gmond
     hddtemp . . . . . . . $enable_hddtemp
     interface . . . . . . $enable_interface
@@ -3759,12 +3950,12 @@ Configuration:
     netlink . . . . . . . $enable_netlink
     network . . . . . . . $enable_network
     nfs . . . . . . . . . $enable_nfs
-    fscache . . . . . . . $enable_fscache
     nginx . . . . . . . . $enable_nginx
     notify_desktop  . . . $enable_notify_desktop
     notify_email  . . . . $enable_notify_email
     ntpd  . . . . . . . . $enable_ntpd
     nut . . . . . . . . . $enable_nut
+    olsrd . . . . . . . . $enable_olsrd
     onewire . . . . . . . $enable_onewire
     openvpn . . . . . . . $enable_openvpn
     oracle  . . . . . . . $enable_oracle
@@ -3803,7 +3994,11 @@ Configuration:
 EOF
 
 if test "x$dependency_error" = "xyes"; then
-	AC_MSG_ERROR("Some plugins are missing dependencies - see above summary for details")
+	AC_MSG_ERROR("Some plugins are missing dependencies - see the summary above for details")
+fi
+
+if test "x$dependency_warning" = "xyes"; then
+	AC_MSG_WARN("Some plugins seem to have missing dependencies but have been enabled forcibly - see the summary above for details")
 fi
 
 # vim: set fdm=marker :