in lib: * addext.c, backupfile.c, fsusage.c, human.c, pathmax.h, rpmatch.c, userspec.c, xreadlink.c, xstrtol.c: Include <limits.h> without checking for HAVE_LIMITS_H. * backupfile.c, fsusage.c, hash.c, human.c, safe-read.c, userspec.c, xstrtol.c (CHAR_BIT) : Don't define, since <limits.h> is guaranteed to do that. * fatal.c: Include <stdarg.h> without checking for __STDC__. * exclude.c: Include <stdbool.h> unconditionally. * tempname.c: Include <stddef.h> unconditionally. * hash.c: Include <limits.h>, since we no longer define CHAR_BIT. * modechange.c, rpmatch.c (NULL): Don't define, since <stddef.h> does that. * quote.c: Dont include <stddef.h> or <sys/types.h>; not needed. * safe-read.c (INT_MAX): Don't define, since <limits.h> does that. * safe-read.c (TYPE_MINIMUM, TYPE_MAXIMUM): Remove; no longer needed. * xstrtol.c: Likewise. * safe-read.c: Remove TYPE_SIGNED; no longer needed. * savedir.c: Include <stddef.h> instead of defining NULL. in m4: * backupfile.m4 (gl_BACKUPFILE): Don't check for limits.h. * fsusage.m4 (gl_PREREQ_FSUSAGE_EXTRA): Likewise. * human.m4 (gl_HUMAN): Likewise. * pathmax.m4 (gl_PATHMAX): Likewise. * rpmatch.m4 (gl_FUNC_RPMATCH): Likewise. * userspec.m4 (gl_USERSPEC): Likewise. * xreadlink.m4 (gl_XREADLINK): Likewise. * m4/xstrtol.m4 (gl_PREREQ_XSTRTOL): Likewise. * quote.m4 (gl_QUOTE): Don't check for stddef.h.

# backupfile.m4 serial 2
dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

AC_DEFUN([gl_BACKUPFILE],
[
  dnl Prerequisites of lib/backupfile.c.
  AC_REQUIRE([AC_HEADER_DIRENT])
  AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
  AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
  AC_CHECK_DECLS_ONCE(getenv malloc)
  jm_CHECK_TYPE_STRUCT_DIRENT_D_INO

  dnl Prerequisites of lib/addext.c.
  AC_REQUIRE([jm_AC_DOS])
  AC_SYS_LONG_FILE_NAMES
  AC_CHECK_HEADERS_ONCE(string.h unistd.h)
  AC_CHECK_FUNCS(pathconf)
])