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# LIBRESOLV_CHECK_CONFIG ([DEFAULT-ACTION])2
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# ----------------------------------------------------------3
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#4
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# Checks for DNS functions.5
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AC_DEFUN([LIBRESOLV_TRY_LINK],7
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[8
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am_save_LIBS="$LIBS"9
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LIBS="$LIBS $1"10
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AC_TRY_LINK(11
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[10
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[12
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#ifdef HAVE_SYS_TYPES_H13
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# include <sys/types.h>14
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#endif15
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#ifdef HAVE_NETINET_IN_H16
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# include <netinet/in.h>17
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#endif18
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#ifdef HAVE_ARPA_NAMESER_H19
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# include <arpa/nameser.h>20
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#endif21
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#ifdef HAVE_RESOLV_H22
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# include <resolv.h>23
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#endif24
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#ifndef C_IN25
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# define C_IN ns_c_in26
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#endif /* C_IN */27
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#ifndef T_SOA28
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# define T_SOA ns_t_soa29
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#endif /* T_SOA */30
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],31
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[29
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]], [[32
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char *buf;33
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res_init();35
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res_query("", C_IN, T_SOA, (unsigned char *)buf, 0);36
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],37
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found_resolv="yes"38
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RESOLV_LIBS="$1")34
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]])],[found_resolv="yes"35
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RESOLV_LIBS="$1"],[])39
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LIBS="$am_save_LIBS"40
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])dnl41
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AC_DEFUN([LIBRESOLV_CHECK_CONFIG],43
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[44
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AC_MSG_CHECKING(for DNS lookup functions)45
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LIBRESOLV_TRY_LINK([])47
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if test "x$found_resolv" != "xyes"; then