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