diff --git a/games-sports/xmoto/patches/xmoto-0.5.11.patch b/games-sports/xmoto/patches/xmoto-0.5.11.patch
index a21deb0fd..6fe7e593b 100644
--- a/games-sports/xmoto/patches/xmoto-0.5.11.patch
+++ b/games-sports/xmoto/patches/xmoto-0.5.11.patch
@@ -1,64 +1,83 @@
 Only in xmoto-0.5.11-patch/: autom4te.cache
 diff -ur xmoto-0.5.11/configure xmoto-0.5.11-patch/configure
 --- xmoto-0.5.11/configure	2014-03-29 10:38:54.037748736 +0000
-+++ xmoto-0.5.11-patch/configure	2014-12-11 05:23:06.159383552 +0000
-@@ -7565,13 +7565,13 @@
++++ xmoto-0.5.11-patch/configure	2014-12-11 21:25:12.893386752 +0000
+@@ -7565,13 +7565,12 @@
  
  
  # m
 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for floor in -lm" >&5
 -$as_echo_n "checking for floor in -lm... " >&6; }
 -if ${ac_cv_lib_m_floor+:} false; then :
-+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for floor in -lroot" >&5
-+$as_echo_n "checking for floor in -lroot... " >&6; }
-+if ${ac_cv_lib_root_floor+:} false; then :
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing floor" >&5
++$as_echo_n "checking for library containing floor... " >&6; }
++if ${ac_cv_search_floor+:} false; then :
    $as_echo_n "(cached) " >&6
  else
-   ac_check_lib_save_LIBS=$LIBS
+-  ac_check_lib_save_LIBS=$LIBS
 -LIBS="-lm  $LIBS"
-+LIBS="-lroot  $LIBS"
++  ac_func_search_save_LIBS=$LIBS
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  /* end confdefs.h.  */
  
-@@ -7591,22 +7591,22 @@
+@@ -7590,23 +7589,35 @@
+   return 0;
  }
  _ACEOF
- if ac_fn_c_try_link "$LINENO"; then :
+-if ac_fn_c_try_link "$LINENO"; then :
 -  ac_cv_lib_m_floor=yes
-+  ac_cv_lib_root_floor=yes
- else
+-else
 -  ac_cv_lib_m_floor=no
-+  ac_cv_lib_root_floor=no
++for ac_lib in '' ; do
++  if test -z "$ac_lib"; then
++    ac_res="none required"
++  else
++    ac_res=-l$ac_lib
++    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
++  fi
++  if ac_fn_c_try_link "$LINENO"; then :
++  ac_cv_search_floor=$ac_res
  fi
  rm -f core conftest.err conftest.$ac_objext \
-     conftest$ac_exeext conftest.$ac_ext
- LIBS=$ac_check_lib_save_LIBS
+-    conftest$ac_exeext conftest.$ac_ext
+-LIBS=$ac_check_lib_save_LIBS
++    conftest$ac_exeext
++  if ${ac_cv_search_floor+:} false; then :
++  break
  fi
 -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_floor" >&5
 -$as_echo "$ac_cv_lib_m_floor" >&6; }
 -if test "x$ac_cv_lib_m_floor" = xyes; then :
-+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_root_floor" >&5
-+$as_echo "$ac_cv_lib_root_floor" >&6; }
-+if test "x$ac_cv_lib_root_floor" = xyes; then :
-   cat >>confdefs.h <<_ACEOF
+-  cat >>confdefs.h <<_ACEOF
 -#define HAVE_LIBM 1
-+#define HAVE_LIBROOT 1
- _ACEOF
+-_ACEOF
++done
++if ${ac_cv_search_floor+:} false; then :
  
 -  LIBS="-lm $LIBS"
-+  LIBS="-lroot $LIBS"
++else
++  ac_cv_search_floor=no
++fi
++rm conftest.$ac_ext
++LIBS=$ac_func_search_save_LIBS
++fi
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_floor" >&5
++$as_echo "$ac_cv_search_floor" >&6; }
++ac_res=$ac_cv_search_floor
++if test "$ac_res" != no; then :
++  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
  
  else
    as_fn_error $? "No math library found" "$LINENO" 5
 diff -ur xmoto-0.5.11/configure.in xmoto-0.5.11-patch/configure.in
 --- xmoto-0.5.11/configure.in	2014-03-29 10:35:24.036700160 +0000
-+++ xmoto-0.5.11-patch/configure.in	2014-12-11 05:18:39.246153216 +0000
++++ xmoto-0.5.11-patch/configure.in	2014-12-11 21:40:34.446955520 +0000
 @@ -155,7 +155,7 @@
  AM_CONDITIONAL([USE_SDLGFX], test "$USE_SDLGFX" = "1")
  
  # m
 -AC_CHECK_LIB(m, floor, , AC_MSG_ERROR(No math library found))
-+AC_CHECK_LIB(root, floor, , AC_MSG_ERROR(No math library found))
++AC_SEARCH_LIBS(floor, , , AC_MSG_ERROR(No math library found))
  
  AC_SEARCH_LIBS(lua_pushboolean,lua lua5.1 lua50, [], [AC_MSG_ERROR(liblua5.1, liblua50, or liblua required)])
  AC_SEARCH_LIBS(luaopen_math,lualib lualib5.1 lualib50, [], [AC_MSG_ERROR(liblualib5.1, liblualib50, or liblualib required)])