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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

# $Id$

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

AC_PREREQ(2.59)
AC_INIT([ivcall],[0.4],[mzvipnyy (at) 0pointer (dot) de])
AC_CONFIG_SRCDIR([src/ivcall.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([foreign -Wall])

AC_SUBST(PACKAGE_URL, [http://0pointer.de/lennart/projects/ivcall/])

if type -p stow > /dev/null && test -d /usr/local/stow ; then
   AC_MSG_NOTICE([*** Found /usr/local/stow: default install prefix set to /usr/local/stow/${PACKAGE_NAME}-${PACKAGE_VERSION} ***])
   ac_default_prefix="/usr/local/stow/${PACKAGE_NAME}-${PACKAGE_VERSION}"
fi

# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET

# If using GCC specify some additional parameters
if test "x$GCC" = "xyes" ; then
   CFLAGS="$CFLAGS -pipe -W -Wall -pedantic"

   AC_LANG_CONFTEST([int main() {}])
   $CC -c conftest.c -std=c99 -Wno-unused-parameter $CFLAGS > /dev/null 2> /dev/null && CFLAGS="$CFLAGS -std=c99 -Wno-unused-parameter"
   rm -f conftest.o
fi

# Specify the locking directory
AC_ARG_WITH(lockdir, 
    AS_HELP_STRING(--with-lockdir=LOCKDIR,Specify a UUCP lock dir), 
    LOCK_DIR="${withval}", 
    LOCK_DIR="/var/lock")
AC_SUBST(LOCK_DIR)
AC_MSG_NOTICE([*** Using $LOCK_DIR as lock directory ***])
    
AC_CHECK_FUNCS([alarm memset select strdup strerror strrchr])
AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h sys/ioctl.h sys/time.h termios.h unistd.h])

AC_TYPE_MODE_T
AC_FUNC_STAT
AC_C_CONST
AC_C_VOLATILE
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_REALLOC
AC_FUNC_SELECT_ARGTYPES
AC_HEADER_STDC
AC_PROG_GCC_TRADITIONAL
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T

SPANDSP_CFLAGS=
SPANDSP_LIBS=
AC_CHECK_HEADER(spandsp.h,[AC_CHECK_LIB(spandsp,fax_init,[HAVE_SPANDSP=1
SPANDSP_LIBS=-lspandsp],HAVE_SPANDSP=0)],HAVE_SPANDSP=0, [#include <inttypes.h>
#include <tiffio.h>
#include <time.h>])
AC_SUBST(SPANDSP_CFLAGS)
AC_SUBST(SPANDSP_LIBS)

AC_HEADER_TIME

if test "x$HAVE_SPANDSP" != "x0" ; then
   AC_DEFINE([HAVE_SPANDSP], 1, [Have spandsp?])
fi

AM_CONDITIONAL([HAVE_SPANDSP], [test "x$HAVE_SPANDSP" = x1])

# LYNX documentation generation
AC_ARG_ENABLE(lynx,
        AS_HELP_STRING(--disable-lynx,Turn off lynx usage for documentation generation),
[case "${enableval}" in
  yes) lynx=yes ;;
  no)  lynx=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-lynx) ;;
esac],[lynx=yes])

if test x$lynx = xyes ; then
   AC_CHECK_PROG(have_lynx, lynx, yes, no)

   if test x$have_lynx = xno ; then
     AC_MSG_ERROR([*** Sorry, you have to install lynx or use --disable-lynx ***])
   fi
fi

AM_CONDITIONAL([USE_LYNX], [test "x$lynx" = xyes])

# XMLTOMAN manpage generation
AC_ARG_ENABLE(xmltoman,
        AS_HELP_STRING(--disable-xmltoman,Disable rebuilding of man pages with xmltoman),
[case "${enableval}" in
  yes) xmltoman=yes ;;
  no)  xmltoman=no ;;
  *) AC_MSG_ERROR([bad value ${enableval} for --disable-xmltoman]) ;;
esac],[xmltoman=yes])

if test x$xmltoman = xyes ; then
   AC_CHECK_PROG(have_xmltoman, xmltoman, yes, no)

   if test x$have_xmltoman = xno ; then
     AC_MSG_WARN([*** Not rebuilding man pages as xmltoman is not found ***])
     xmltoman=no
   fi
fi

AM_CONDITIONAL([USE_XMLTOMAN], [test "x$xmltoman" = xyes])

AC_CONFIG_FILES([src/Makefile Makefile man/Makefile doc/Makefile doc/README.html])
AC_OUTPUT