Run autoreconf.

aclocal.m4

@@ -1,6 +1,6 @@
# generated automatically by aclocal 1.15 -*- Autoconf -*-
# generated automatically by aclocal 1.16.1 -*- Autoconf -*-

# Copyright (C) 1996-2014 Free Software Foundation, Inc.
# Copyright (C) 1996-2018 Free Software Foundation, Inc.

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,

configure

@@ -15542,6 +15542,8 @@ else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#include <stdlib.h>
#include <unistd.h>
int main()
{
	int val1 = nice(1);

pyconfig.h.in

@@ -144,18 +144,6 @@
/* Define to 1 if you have the `copysign' function. */
#undef HAVE_COPYSIGN

/* Define to 1 if you must link with -lrt for shm_open(). */
#undef SHM_NEEDS_LIBRT

/* Define to 1 if you have the <sys/mman.h> header file. */
#undef HAVE_SYS_MMAN_H

/* Define to 1 if you have the shm_open syscall */
#undef HAVE_SHM_OPEN

/* Define to 1 if you have the shm_unlink syscall */
#undef HAVE_SHM_UNLINK

/* Define to 1 if you have the <crypt.h> header file. */
#undef HAVE_CRYPT_H

@@ -930,6 +918,12 @@
/* Define to 1 if you have the <shadow.h> header file. */
#undef HAVE_SHADOW_H

/* Define to 1 if you have the `shm_open' function. */
#undef HAVE_SHM_OPEN

/* Define to 1 if you have the `shm_unlink' function. */
#undef HAVE_SHM_UNLINK

/* Define to 1 if you have the `sigaction' function. */
#undef HAVE_SIGACTION

@@ -1109,6 +1103,9 @@
/* Define to 1 if you have the <sys/mkdev.h> header file. */
#undef HAVE_SYS_MKDEV_H

/* Define to 1 if you have the <sys/mman.h> header file. */
#undef HAVE_SYS_MMAN_H

/* Define to 1 if you have the <sys/modem.h> header file. */
#undef HAVE_SYS_MODEM_H

@@ -1383,6 +1380,9 @@
/* Define if setpgrp() must be called as setpgrp(0, 0). */
#undef SETPGRP_HAVE_ARG

/* Define to 1 if you must link with -lrt for shm_open(). */
#undef SHM_NEEDS_LIBRT

/* Define if i>>j for signed int i does not extend the sign bit when i < 0 */
#undef SIGNED_RIGHT_SHIFT_ZERO_FILLS