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# LIBRESOLV_CHECK_CONFIG ([DEFAULT-ACTION])
# ----------------------------------------------------------
#
# Checks for DNS functions.
AC_DEFUN([LIBRESOLV_TRY_LINK],
[
am_save_LIBS="$LIBS"
LIBS="$LIBS $1"
AC_TRY_LINK(
[
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_NAMESER_H
# include <arpa/nameser.h>
#endif
#ifdef HAVE_RESOLV_H
# include <resolv.h>
#endif
#ifndef C_IN
# define C_IN ns_c_in
#endif /* C_IN */
#ifndef T_SOA
# define T_SOA ns_t_soa
#endif /* T_SOA */
],
[
char *buf;
res_init();
res_query("", C_IN, T_SOA, (unsigned char *)buf, 0);
],
found_resolv="yes"
RESOLV_LIBS="$1")
LIBS="$am_save_LIBS"
])dnl
AC_DEFUN([LIBRESOLV_CHECK_CONFIG],
[
AC_MSG_CHECKING(for DNS lookup functions)
LIBRESOLV_TRY_LINK([])
if test "x$found_resolv" != "xyes"; then
LIBRESOLV_TRY_LINK([-lresolv])
fi
if test "x$found_resolv" != "xyes"; then
LIBRESOLV_TRY_LINK([-lbind])
fi
if test "x$found_resolv" != "xyes"; then
LIBRESOLV_TRY_LINK([-lsocket])
fi
if test "x$found_resolv" = "xyes"; then
AC_DEFINE([HAVE_RES_QUERY], 1, [Define to 1 if you have the DNS functions])
else
AC_MSG_RESULT(no)
fi
AC_MSG_RESULT($found_resolv)
AC_SUBST(RESOLV_LIBS)
])dnl
|
