[  --with-opensc           Enable smartcard support using OpenSC],

	AC_HELP_STRING([--with-opensc=PFX],

	[

		       [Enable smartcard support using OpenSC]),

		if test "x$withval" != "xno" ; then

	opensc_config_prefix="$withval", opensc_config_prefix="")

			if test "x$withval" != "xyes" ; then

if test x$opensc_config_prefix != x ; then

				CPPFLAGS="$CPPFLAGS -I${withval}"

  OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config

				LDFLAGS="$LDFLAGS -L${withval}"

  AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)

				if test ! -z "$need_dash_r" ; then

  if test "$OPENSC_CONFIG" != "no"; then

					LDFLAGS="$LDFLAGS -R${withval}"

    LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`

				fi

    LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`

				if test ! -z "$blibpath" ; then

    CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"

					blibpath="$blibpath:${withval}"

    LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"

				fi

    AC_DEFINE(SMARTCARD)

			fi

    AC_DEFINE(USE_OPENSC)

			AC_CHECK_HEADERS(opensc/pkcs15.h)

    SCARD_MSG="yes, using OpenSC" 

			if test "$ac_cv_header_opensc_pkcs15_h" != yes; then

  fi

				AC_MSG_ERROR(Can't find opensc/pkcs15.h)

fi

			fi

			AC_CHECK_LIB(opensc, sc_pkcs15_bind)

			if test "$ac_cv_lib_opensc_sc_pkcs15_bind" != yes; then

				AC_MSG_ERROR(Can't find libopensc)

			fi

			AC_DEFINE(SMARTCARD)

			AC_DEFINE(USE_OPENSC)

			SCARD_MSG="yes, using OpenSC" 

		fi

	]

)