Source: http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=patch;h=a197431414088a417b407b9b20583b2e8f7363bd

diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 70b0168..1ce9922 100644
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -586,6 +586,7 @@ AC_SUBST([datadir],        ['${datarootdir}'])dnl
 AC_SUBST([sysconfdir],     ['${prefix}/etc'])dnl
 AC_SUBST([sharedstatedir], ['${prefix}/com'])dnl
 AC_SUBST([localstatedir],  ['${prefix}/var'])dnl
+AC_SUBST([runstatedir],    ['${localstatedir}/run'])dnl
 AC_SUBST([includedir],     ['${prefix}/include'])dnl
 AC_SUBST([oldincludedir],  ['/usr/include'])dnl
 AC_SUBST([docdir],         [m4_ifset([AC_PACKAGE_TARNAME],
@@ -812,6 +813,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -921,7 +931,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1058,6 +1068,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
-- 
1.9.1