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dnl Process this file with autoconf to produce a configure script.
dnl
dnl   Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl   This file is free software; the copyright holder
dnl   gives unlimited permission to copy and/or distribute it,
dnl   with or without modifications, as long as this notice is preserved.
dnl
AC_INIT([vlna for TeX Live], [1.3], [tex-live@tug.org])
AC_PREREQ([2.63])
AC_CONFIG_SRCDIR([vlna.w])
AC_CONFIG_AUX_DIR([../../build-aux])

AM_INIT_AUTOMAKE([foreign dist-bzip2 no-define])
AM_MAINTAINER_MODE

# Checks for programs.
AC_PROG_CC

# With --enable-maintainer-mode we may want to regenerate
# vlna.c, vlna.tex, and vlna.dvi, this requires ctangle, cweave, and csplain.
AC_CHECK_PROGS([CTANGLE], [ctangle], [none])
AC_CHECK_PROGS([CWEAVE], [cweave], [none])
AC_CHECK_PROGS([CSPLAIN], [csplain], [none])

do_cweb=$enable_maintainer_mode
if test x"$do_cweb" = xyes; then
  case :$CTANGLE:$CWEAVE:$CSPLAIN: in
  *:none:*)
    AC_MSG_WARN([Can not regenerate vlna.c, vlna.tex, and vlna.dvi -- requires ctangle, cweave, and csplain.])
    do_cweb=no
  ;;
  esac
fi
AM_CONDITIONAL([do_cweb], [test "x$do_cweb" = xyes])

AC_CONFIG_FILES([Makefile])
AC_OUTPUT