dnl -*-fundamental-*-
dnl
dnl $Id: configure.in,v 1.9 1997/09/18 11:24:27 mdw Exp $
dnl
dnl Source for auto configuration for `become'
dnl
dnl (c) 1997 Mark Wooding
dnl

dnl----- Licensing notice ---------------------------------------------------
dnl 
dnl This file is part of `become'
dnl 
dnl `Become' is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl 
dnl `Become' is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl 
dnl You should have received a copy of the GNU General Public License
dnl along with `become'; if not, write to the Free Software Foundation,
dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

dnl----- Revision history ---------------------------------------------------
dnl
dnl $Log: configure.in,v $
dnl Revision 1.9  1997/09/18 11:24:27  mdw
dnl Add `conf' directory.  Add an `htmldir' installation directory too.
dnl
dnl Revision 1.8  1997/09/17  10:36:30  mdw
dnl Remove `set.c'.  No longer necessary.
dnl
dnl Revision 1.7  1997/09/09 18:18:41  mdw
dnl Check for setgroups(2), to see whether subsidiary group lists need to be
dnl fiddled with.
dnl
dnl Revision 1.6  1997/09/08  13:41:14  mdw
dnl Check for `setreuid' for changing permissions.
dnl
dnl Revision 1.5  1997/09/05  11:45:18  mdw
dnl Add support for different login styles, and environment variable
dnl manipulation in a safe and useful way.
dnl
dnl Revision 1.4  1997/08/20  16:10:56  mdw
dnl Lowercase `mdw_' prefixes to macros.  Add a `--with-etcdir=PATH'
dnl option.  Update `stamp-h' as required by the Automake docs (silly
dnl me).
dnl
dnl Revision 1.3  1997/08/07 09:34:32  mdw
dnl Added `ElectricFence' support, and support for the `deep' package
dnl structure.
dnl
dnl Revision 1.2  1997/08/04 10:24:21  mdw
dnl Sources placed under CVS control.
dnl
dnl Revision 1.1  1997/07/21  13:47:51  mdw
dnl Initial revision
dnl

AC_INIT(src/icrypt.c)
AC_CONFIG_HEADER(config.h)
PACKAGE=become VERSION=1.2-pre
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
AC_DEFINE(VERSION, "1.2-pre (17 September 1997)")

dnl --- Check for compilers and things ---

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LEX
AC_CHECK_PROG(AR, ar, ar)
AC_PROG_RANLIB
AC_PROG_MAKE_SET
AC_PROG_YACC
AC_ARG_PROGRAM
if test "$GCC" = "yes"; then
  CFLAGS="$CFLAGS -pedantic -Wall"
fi

dnl --- Set default become style ---

AC_ARG_ENABLE([style],
[  --enable-style=STYLE	  set default style to preserve, setuser, or login],
[case "$enableval" in
  preserve) style="l_preserve" ;;
  su|setuser) style="l_setuser" ;;
  login) style="l_login" ;;
  *) AC_MSG_ERROR([unknown login style: choose preserve, setuser, or login])
     ;;
esac],
[style="l_preserve"])
AC_DEFINE_UNQUOTED(DEFAULT_LOGIN_STYLE, $style)

dnl --- Set configuration directory ---

AC_ARG_WITH([etcdir],
[  --with-etcdir=PATH	  set directory for configuration and key files
			  [default is /etc/become]],
[etcdir="$withval"], [etcdir="/etc/become"])
AC_SUBST(etcdir)
AC_DEFINE_UNQUOTED(ETCDIR, "$etcdir")

AC_ARG_WITH([htmldir],
[  --with-htmldir=PATH	  set directory for HTML documentation
			  [default is PREFIX/html/become]],
[htmldir="$withval"], [htmldir="${prefix}/html/become"])
AC_SUBST(htmldir)

dnl --- Debugging stuff ---

AC_ARG_WITH(electric-fence,
[  --with-electric-fence	  link programs with Electric Fence],
  [if test "$withval" = "yes"; then
    AC_CHECK_LIB(efence, malloc)
  fi])

AC_ARG_ENABLE(debugging,
[  --enable-debugging	  spews vast swathes of useless information],
  [if test "$enableval" = "no"; then
    AC_DEFINE(NDEBUG, 1)
  fi],
  AC_DEFINE(NDEBUG, 1))

AC_ARG_ENABLE(tracing,
[  --enable-tracing	  enable output of tracing information],
  [if test "$enableval" = "yes"; then
    AC_DEFINE(TRACING)
  fi],
  AC_DEFINE(TRACING))

dnl --- Libraries ---

mdw_CHECK_MANYLIBS(socket, socket,,
  AC_MSG_ERROR([Socket library not found]))

mdw_CHECK_MANYLIBS(gethostbyname, resolv nsl,,
  AC_MSG_ERROR([Resolver library not found]))

mdw_CHECK_MANYLIBS(yp_all, nsl, AC_DEFINE(HAVE_YP))

dnl --- Types ---

AC_TYPE_PID_T
AC_TYPE_UID_T
AC_CHECK_TYPE(ssize_t, int)

dnl --- Check on type sizes ---

AC_CHECK_SIZEOF(int, 2)

dnl --- Set the path separator ---

AC_DEFINE(PATHSEP, '/')

dnl --- Check for some useful functions ---

AC_CHECK_FUNCS(setreuid setgroups)
AC_CHECK_FUNCS(getrusage vtimes)

dnl --- Done ---

AC_OUTPUT(Makefile conf/Makefile src/Makefile manual/Makefile,
          [test -z "$CONFIG_HEADERS" || echo timestamp >stamp-h])

dnl----- That's all, folks --------------------------------------------------