AC_CHECK_LIB(resolv, res_gethostbyaddr, [LIBS="-lresolv $LIBS"], AC_MSG_ERROR([You need the libresolv library to compile Ekiga]), -lresolv)

  	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for res_gethostbyaddr in -lresolv" >&5

$as_echo_n "checking for res_gethostbyaddr in -lresolv... " >&6; }

if ${ac_cv_lib_resolv_res_gethostbyaddr+:} false; then :

  $as_echo_n "(cached) " >&6

else

  ac_check_lib_save_LIBS=$LIBS

LIBS="-lresolv -lresolv $LIBS"

cat confdefs.h - <<_ACEOF >conftest.$ac_ext

/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.

   Use char because int might match the return type of a GCC

   builtin and then its argument prototype would still apply.  */

#ifdef __cplusplus

extern "C"

#endif

char res_gethostbyaddr ();

int

main ()

{

return res_gethostbyaddr ();

  ;

  return 0;

}

_ACEOF

if ac_fn_cxx_try_link "$LINENO"; then :

  ac_cv_lib_resolv_res_gethostbyaddr=yes

else

  ac_cv_lib_resolv_res_gethostbyaddr=no

fi

rm -f core conftest.err conftest.$ac_objext \

    conftest$ac_exeext conftest.$ac_ext

LIBS=$ac_check_lib_save_LIBS

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_res_gethostbyaddr" >&5

$as_echo "$ac_cv_lib_resolv_res_gethostbyaddr" >&6; }

if test "x$ac_cv_lib_resolv_res_gethostbyaddr" = xyes; then :

  LIBS="-lresolv $LIBS"

else

  as_fn_error $? "You need the libresolv library to compile Ekiga" "$LINENO" 5

fi