AC_INIT(rlm_ldap.c)
AC_REVISION($Revision: 1.9 $)
AC_DEFUN(modname,[rlm_ldap])

fail=
SMART_LIBS=
SMART_CLFAGS=
if test x$with_[]modname != xno; then

	AC_PROG_CC

	AC_CHECK_LIB(resolv, inet_aton)

	dnl extra argument: --with-rlm-ldap-lib-dir
	rlm_ldap_lib_dir=
	AC_ARG_WITH(rlm-ldap-lib-dir,
	[  --with-rlm-ldap-lib-dir=DIR       Directory for LDAP library files []],
	[ case "$withval" in
	    no)
		AC_MSG_ERROR(Need rlm-ldap-lib-dir)
		;;
	    yes)
		;;
	    *)
		rlm_ldap_lib_dir="$withval"
		;;
	  esac ]
	)

	dnl extra argument: --with-rlm-ldap-include-dir
	rlm_ldap_inc_dir=
	AC_ARG_WITH(rlm-ldap-include-dir,
	[  --with-rlm-ldap-include-dir=DIR   Directory for LDAP include files []],
	[ case "$withval" in
	    no)
		AC_MSG_ERROR(Need rlm-ldap-include-dir)
		;;
	    yes)
		;;
	    *)
		rlm_ldap_include_dir="$withval"
		;;
	  esac ]
	)

	smart_try_dir=$rlm_ldap_include_dir
	AC_SMART_CHECK_INCLUDE(lber.h)
	AC_SMART_CHECK_INCLUDE(ldap.h)

	AC_SMART_CHECK_LIB(sasl, sasl_encode)
	AC_SMART_CHECK_LIB(crypto, DH_new)
	AC_SMART_CHECK_LIB(ssl, SSL_new)

	smart_try_dir=$rlm_ldap_lib_dir
	AC_SMART_CHECK_LIB(lber, ber_init)
        if test "x$ac_cv_lib_lber_ber_init" != "xyes"; then
	  fail="$fail liblber"
        else
          if test "x$ac_cv_header_pthread_h" = "xyes"; then
    	    AC_SMART_CHECK_LIB(ldap_r, ldap_init)
            if test "x$ac_cv_lib_ldap_r_ldap_init" != "xyes"; then
 	      fail="$fail libldap_r"
	    else
		libldap=ldap_r
            fi
          else
  	    AC_SMART_CHECK_LIB(ldap, ldap_init)
            if test "x$ac_cv_lib_ldap_ldap_init" != "xyes"; then
 	      fail="$fail libldap"
	    else
		libldap=ldap
           fi
          fi
        fi

	if test x"$libldap" != "x"; then
	  AC_SMART_CHECK_LIB("$libldap", ldap_start_tls_s)

	  if test "x${ac_cv_lib_ldap_ldap_start_tls_s}${ac_cv_lib_ldap_r_ldap_start_tls_s}" != "x"; then
	     SMART_CFLAGS="$SMART_CFLAGS -DHAVE_LDAP_START_TLS"
	  fi
	fi


	targetname=modname
else
	targetname=
	echo \*\*\* module modname is disabled.
fi

if test x"$fail" != x""; then
	if test x"${enable_strict_dependencies}" = x"yes"; then
		AC_MSG_ERROR([set --without-]modname[ to disable it explicitly.])
	else
		AC_MSG_WARN([silently not building ]modname[.])
		AC_MSG_WARN([FAILURE: ]modname[ requires: $fail.])
		if test x"$headersuggestion" != x; then
			AC_MSG_WARN([$headersuggestion]) 
		fi
		if test x"$libsuggestion" != x; then
			AC_MSG_WARN([$libsuggestion]) 
		fi
		targetname=""
	fi
fi

ldap_ldflags=$SMART_LIBS
ldap_cflags=$SMART_CFLAGS
AC_SUBST(ldap_ldflags)
AC_SUBST(ldap_cflags)
AC_SUBST(targetname)
AC_OUTPUT(Makefile)