Assume Autoconf >= 2.63. * DEPENDENCIES: Mention the requirement. * gnulib-tool (DEFAULT_AUTOCONF_MINVERSION): Bump to 2.63. (func_get_filelist): Don't list m4/onceonly.m4 any more. * pygnulib/GLModuleSystem.py (getFiles): Likewise. * m4/onceonly.m4: Remove file. * m4/openmp.m4: Remove file. * modules/openmp (Files): Remove m4/openmp.m4. * m4/configmake.m4 (gl_CONFIGMAKE_PREP): Don't set datarootdir, docdir, htmldir, dvidir, pdfdir, psdir, localedir. * m4/po.m4 (AM_PO_SUBDIRS): Don't set localedir. * m4/gnulib-common.m4 (m4_foreach_w): Remove fallback for Autoconf < 2.60. (AC_PROG_MKDIR_P): Remove definition for Autoconf < 2.62. (AC_PROG_SED): Remove fallback for Autoconf < 2.60. * m4/errno_h.m4 (AC_COMPUTE_INT): Remove fallback for Autoconf < 2.61. * m4/size_max.m4 (AC_COMPUTE_INT): Likewise. * m4/stdint.m4 (AC_COMPUTE_INT): Likewise. * m4/fcntl-o.m4 (gl_FCNTL_O_FLAGS): Assume AC_USE_SYSTEM_EXTENSIONS exists. * m4/threadlib.m4 (gl_THREADLIB_EARLY_BODY): Likewise, * m4/lib-link.m4 (AC_LIB_LINKFLAGS_BODY): Remove workaround for Autoconf < 2.61. * m4/lib-prefix.m4 (AC_LIB_ARG_WITH): Remove macro. (AC_LIB_PREFIX): Use AC_ARG_WITH, assuming semantics of Autoconf >= 2.52. * m4/longlong.m4: Require Autoconf >= 2.62. Update comments. * m4/ls-mntd-fs.m4: Require Autoconf >= 2.60. Update comments. * m4/gettext.m4 (AM_GNU_GETTEXT): Update comment.

# configmake.m4 serial 3
dnl Copyright (C) 2010-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_PREREQ([2.60])

# gl_CONFIGMAKE_PREP
# ------------------
# Guarantee all of the standard directory variables, even when used with
# autoconf 2.63 (runstatedir wasn't supported before 2.70) or
# automake 1.11 (runstatedir isn't supported even in 1.16.1).
AC_DEFUN([gl_CONFIGMAKE_PREP],
[
  if test "x$lispdir" = x; then
    AC_SUBST([lispdir], ['${datarootdir}/emacs/site-lisp'])
  fi
  dnl Added in autoconf 2.70.
  if test "x$runstatedir" = x; then
    AC_SUBST([runstatedir], ['${localstatedir}/run'])
  fi

  dnl Automake 1.11 provides pkglibexecdir merely without AC_SUBST.
  dnl This blind use of AC_SUBST is safe.
  AC_SUBST([pkglibexecdir], ['${libexecdir}/${PACKAGE}'])
])