dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.50)
AC_INIT(capi20.c)
AC_ARG_ENABLE([V2],
  AS_HELP_STRING([--enable-V2],[build libcapi20 version 2 compatible library]),
     [case "${enableval}" in
       yes) LIBCAPI_VERSION=2
	    LIBCAPI_VERSION_AGE=0
	    LIBCAPI_VERSION_RELEASE=10
	    AC_DEFINE([CAPI_LIBRARY_V2],1)
	    ;;
       no) LIBCAPI_VERSION=3
	    LIBCAPI_VERSION_AGE=0
	    LIBCAPI_VERSION_RELEASE=4
	    ;;
       *) AC_MSG_ERROR(bad value ${enableval} for --enable-V2) ;;
     esac],
     [
        LIBCAPI_VERSION=3
	LIBCAPI_VERSION_AGE=0
	LIBCAPI_VERSION_RELEASE=4
])

AM_INIT_AUTOMAKE(libcapi20,${LIBCAPI_VERSION}.${LIBCAPI_VERSION_RELEASE})
AC_PREFIX_DEFAULT(/usr)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AM_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)
AC_OBJEXT
AC_PATH_PROG(SED,sed)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h unistd.h)
AC_CHECK_HEADERS(linux/capi.h)

dnl Checks for library functions.
AC_CHECK_FUNCS(select)

export SED
dnl Read the libtool configuration
rm -f conftest
./libtool --config > conftest
. ./conftest
dnl rm -f conftest

AC_SUBST(INSTALL)
AC_SUBST(LIBCAPI_VERSION)
AC_SUBST(LIBCAPI_VERSION_AGE)
AC_SUBST(LIBCAPI_VERSION_RELEASE)
AC_OUTPUT(Makefile)