--- mint-display-manager-1.0.8/configure.ac~	2014-04-14 15:35:02.052000000 +0400
+++ mint-display-manager-1.0.8/configure.ac	2014-04-14 15:42:06.156000000 +0400
@@ -696,6 +696,7 @@ fi
 xinerama_save_cppflags="$CPPFLAGS"
 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 
+X_EXTRA_LIBS="$X_EXTRA_LIBS -lm"
 ALL_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
 
 if test ! x$with_xinerama = xno ; then