diff -purN LVM2.2.02.91.orig/configure LVM2.2.02.91.new/configure
--- LVM2.2.02.91.orig/configure	2012-01-31 22:21:53.000000000 +0100
+++ LVM2.2.02.91.new/configure	2012-02-13 13:49:27.339271246 +0100
@@ -596,6 +596,7 @@ ac_default_prefix=/usr
 ac_subst_vars='LTLIBOBJS
 usrsbindir
 usrlibdir
+systemdsystemunitdir
 udevdir
 udev_prefix
 tmpdir
@@ -840,6 +841,7 @@ with_usrlibdir
 with_usrsbindir
 with_udev_prefix
 with_udevdir
+with_systemdsystemunitdir
 with_dmeventd_pidfile
 with_dmeventd_path
 with_default_run_dir
@@ -1580,6 +1582,8 @@ Optional Packages:
   --with-udev-prefix=UPREFIX
                           install udev rule files in UPREFIX [[EPREFIX]]
   --with-udevdir=DIR      udev rules in DIR [[UPREFIX/lib/udev/rules.d]]
+  --with-systemdsystemunitdir=DIR
+                          systemd service files in DIR
   --with-dmeventd-pidfile=PATH
                           dmeventd pidfile [[/var/run/dmeventd.pid]]
   --with-dmeventd-path=PATH
@@ -9695,6 +9699,23 @@ fi
 
 
 ################################################################################
+
+# Check whether --with-systemdsystemunitdir was given.
+if test "${with_systemdsystemunitdir+set}" = set; then :
+  withval=$with_systemdsystemunitdir; systemdsystemunitdir=$withval
+else
+  pkg_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
+fi
+
+
+if test -n "$pkg_systemdsystemunitdir"; then
+	    systemdsystemunitdir=$pkg_systemdsystemunitdir;
+fi
+
+if test -z "$systemdsystemunitdir"; then
+	    systemdsystemunitdir='/lib/systemd/system';
+fi
+################################################################################
 if test x$READLINE = xyes; then
 	for ac_header in readline/readline.h readline/history.h
 do :
@@ -10233,6 +10254,7 @@ LVM_LIBAPI=`echo "$VER" | $AWK -F '[()]'
 
 
 
+
 
 
 
diff -purN LVM2.2.02.91.orig/configure.in LVM2.2.02.91.new/configure.in
--- LVM2.2.02.91.orig/configure.in	2012-01-31 22:21:54.000000000 +0100
+++ LVM2.2.02.91.new/configure.in	2012-02-13 13:49:27.339271246 +0100
@@ -1159,6 +1159,22 @@ AC_ARG_WITH(udevdir,
 	    udevdir=$withval, udevdir='${udev_prefix}/lib/udev/rules.d')
 
 ################################################################################
+dnl -- Get the systemd system unit dir value from pkg_config automatically if value not given explicitly.
+dnl -- This follows the recommendation for systemd integration best practices mentioned in daemon(7) manpage.
+AC_ARG_WITH(systemdsystemunitdir,
+	    AC_HELP_STRING([--with-systemdsystemunitdir=DIR],
+			   [systemd service files in DIR]),
+	    systemdsystemunitdir=$withval,
+	    pkg_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd))
+
+if test -n "$pkg_systemdsystemunitdir"; then
+	    systemdsystemunitdir=$pkg_systemdsystemunitdir;
+fi
+
+if test -z "$systemdsystemunitdir"; then
+	    systemdsystemunitdir='/lib/systemd/system';
+fi
+################################################################################
 dnl -- Ensure additional headers required
 if test x$READLINE = xyes; then
 	AC_CHECK_HEADERS(readline/readline.h readline/history.h,,AC_MSG_ERROR(bailing out))
@@ -1426,6 +1442,7 @@ AC_SUBST(kernelvsn)
 AC_SUBST(tmpdir)
 AC_SUBST(udev_prefix)
 AC_SUBST(udevdir)
+AC_SUBST(systemdsystemunitdir)
 AC_SUBST(usrlibdir)
 AC_SUBST(usrsbindir)
 
diff -purN LVM2.2.02.91.orig/make.tmpl.in LVM2.2.02.91.new/make.tmpl.in
--- LVM2.2.02.91.orig/make.tmpl.in	2011-11-23 13:19:23.000000000 +0100
+++ LVM2.2.02.91.new/make.tmpl.in	2012-02-13 13:49:27.340271242 +0100
@@ -66,7 +66,7 @@ staticdir = $(DESTDIR)@STATICDIR@
 udevdir = $(DESTDIR)@udevdir@
 pkgconfigdir = $(usrlibdir)/pkgconfig
 initdir = $(DESTDIR)@sysconfdir@/rc.d/init.d
-systemd_dir = $(DESTDIR)/lib/systemd/system
+systemd_dir = $(DESTDIR)/@systemdsystemunitdir@
 ocf_scriptdir = $(DESTDIR)@OCFDIR@
 
 USRLIB_RELPATH = $(shell echo $(abspath $(usrlibdir) $(libdir)) | \
diff -purN LVM2.2.02.91.orig/WHATS_NEW LVM2.2.02.91.new/WHATS_NEW
--- LVM2.2.02.91.orig/WHATS_NEW	2012-02-13 00:02:52.000000000 +0100
+++ LVM2.2.02.91.new/WHATS_NEW	2012-02-13 13:51:04.104940437 +0100
@@ -1,3 +1,7 @@
+Version 2.02.92 -
+====================================
+  Add configure --with-systemdsystemunitdir.
+
 Version 2.02.91 - 12th February 2012
 ====================================
   Remove PV-based format instances (which are no longer needed).