fix invalid installs of docs/man and config into /usr/local

--- xen-4.2.2-orig/tools/Makefile	2013-04-23 18:42:55.000000000 +0200
+++ xen-4.2.2/tools/Makefile	2013-07-29 17:01:33.764093405 +0200
@@ -199,6 +199,9 @@
 		--bindir=$(LIBEXEC) \
 		--datadir=$(SHAREDIR)/qemu-xen \
 		--disable-kvm \
+		--mandir=/usr/share/man \
+		--docdir=/usr/share/doc/xen \
+		--sysconfdir=/etc \
 		--python=$(PYTHON) \
 		$(IOEMU_CONFIGURE_CROSS); \
 	$(MAKE) all
diff --git a/tools/qemu-xen-traditional/configure b/tools/qemu-xen-traditional/configure
index 904e019..b70ee25 100755
--- a/tools/qemu-xen-traditional/configure
+++ b/tools/qemu-xen-traditional/configure
@@ -1107,10 +1107,7 @@ elif $cc $ARCH_CFLAGS -o $TMPE $TMPC -lrt > /dev/null 2> /dev/null ; then
   rt=yes
 fi
 
-if test "$rt" = "yes" ; then
-  # Hack, we should have a general purpose LIBS for this sort of thing
-  AIOLIBS="$AIOLIBS -lrt"
-fi
+AIOLIBS="$AIOLIBS -lrt"
 
 if test "$mingw32" = "yes" ; then
   if test -z "$prefix" ; then