--- configure.ac.orig	2011-12-26 23:46:57.000000000 +0200
+++ configure.ac	2012-05-16 17:39:50.000000000 +0300
@@ -23,11 +23,12 @@
 
 # Checks for libraries.
 AC_CHECK_LIB([m], [ceil], [], [missing_libraries="$missing_libraries libm"])
+AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
 
 # Checks for header files.
 AC_HEADER_DIRENT
 AC_HEADER_STDC
-AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h curses.h],[:],[
+AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h curses.h kvm.h paths.h fcntl.h sys/sysctl.h],[:],[
   missing_headers="$missing_headers $ac_header"
 ])
 AC_CHECK_HEADERS([execinfo.h],[:],[:])