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https://github.com/curl/curl.git
synced 2024-11-27 05:50:21 +08:00
configure script now checks availability of the inet_ntop() function,
and when not crosscompiling verifies if it is IPv6 capable. HAVE_INET_NTOP will only be defined when an IPv6 capable working inet_ntop function is available.
This commit is contained in:
Yang Tse
parent
142cb601f8
commit
267b942383
@ -2076,6 +2076,7 @@ CURL_CHECK_FUNC_GETHOSTNAME
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CURL_CHECK_FUNC_GETSERVBYPORT_R
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CURL_CHECK_FUNC_GMTIME_R
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CURL_CHECK_FUNC_INET_NTOA_R
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CURL_CHECK_FUNC_INET_NTOP
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CURL_CHECK_FUNC_LOCALTIME_R
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CURL_CHECK_FUNC_SIGACTION
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CURL_CHECK_FUNC_STRCASECMP
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@ -25,7 +25,6 @@
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#define HAVE_IO_H 1
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#define HAVE_IOCTLSOCKET 1
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#define HAVE_INET_PTON 1
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#define HAVE_INET_NTOP 1
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#define HAVE_LOCALE_H 1
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#define HAVE_LONGLONG 1
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#define HAVE_MEMORY_H 1
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@ -22,7 +22,7 @@
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 21
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# serial 22
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dnl CURL_INCLUDES_ARPA_INET
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@ -1270,6 +1270,163 @@ AC_DEFUN([CURL_CHECK_FUNC_INET_NTOA_R], [
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])
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dnl CURL_CHECK_FUNC_INET_NTOP
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dnl -------------------------------------------------
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dnl Verify if inet_ntop is available, prototyped, can
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dnl be compiled and seems to work. If all of these are
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dnl true, and usage has not been previously disallowed
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dnl with shell variable curl_disallow_inet_ntop, then
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dnl HAVE_INET_NTOP will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_INET_NTOP], [
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AC_REQUIRE([CURL_INCLUDES_ARPA_INET])dnl
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AC_REQUIRE([CURL_INCLUDES_STRING])dnl
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#
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tst_links_inet_ntop="unknown"
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tst_proto_inet_ntop="unknown"
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tst_compi_inet_ntop="unknown"
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tst_works_inet_ntop="unknown"
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tst_allow_inet_ntop="unknown"
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#
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AC_MSG_CHECKING([if inet_ntop can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([inet_ntop])
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],[
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AC_MSG_RESULT([yes])
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tst_links_inet_ntop="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_inet_ntop="no"
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])
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#
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if test "$tst_links_inet_ntop" = "yes"; then
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AC_MSG_CHECKING([if inet_ntop is prototyped])
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AC_EGREP_CPP([inet_ntop],[
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$curl_includes_arpa_inet
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],[
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AC_MSG_RESULT([yes])
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tst_proto_inet_ntop="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_inet_ntop="no"
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])
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fi
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#
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if test "$tst_proto_inet_ntop" = "yes"; then
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AC_MSG_CHECKING([if inet_ntop is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_arpa_inet
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]],[[
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if(0 != inet_ntop(0, 0, 0, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_inet_ntop="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_inet_ntop="no"
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])
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fi
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#
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dnl only do runtime verification when not cross-compiling
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if test "x$cross_compiling" != "xyes" &&
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test "$tst_compi_inet_ntop" = "yes"; then
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AC_MSG_CHECKING([if inet_ntop seems to work])
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AC_RUN_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_arpa_inet
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$curl_includes_string
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]],[[
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char ipv6res[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
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char ipv4res[sizeof "255.255.255.255"];
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unsigned char ipv6a[26];
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unsigned char ipv4a[5];
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char *ipv6ptr = 0;
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char *ipv4ptr = 0;
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/* - */
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ipv4res[0] = '\0';
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ipv4a[0] = 0xc0;
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ipv4a[1] = 0xa8;
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ipv4a[2] = 0x64;
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ipv4a[3] = 0x01;
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ipv4a[4] = 0x01;
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/* - */
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ipv4ptr = inet_ntop(AF_INET, ipv4a, ipv4res, sizeof(ipv4res));
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if(!ipv4ptr)
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exit(1); /* fail */
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if(ipv4ptr != ipv4res)
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exit(1); /* fail */
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if(!ipv4ptr[0])
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exit(1); /* fail */
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if(memcmp(ipv4res, "192.168.100.1", 13) != 0)
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exit(1); /* fail */
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/* - */
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ipv6res[0] = '\0';
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memset(ipv6a, 0, sizeof(ipv6a));
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ipv6a[0] = 0xfe;
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ipv6a[1] = 0x80;
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ipv6a[8] = 0x02;
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ipv6a[9] = 0x14;
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ipv6a[10] = 0x4f;
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ipv6a[11] = 0xff;
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ipv6a[12] = 0xfe;
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ipv6a[13] = 0x0b;
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ipv6a[14] = 0x76;
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ipv6a[15] = 0xc8;
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ipv6a[25] = 0x01;
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/* - */
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ipv6ptr = inet_ntop(AF_INET6, ipv6a, ipv6res, sizeof(ipv6res));
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if(!ipv6ptr)
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exit(1); /* fail */
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if(ipv6ptr != ipv6res)
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exit(1); /* fail */
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if(!ipv6ptr[0])
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exit(1); /* fail */
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if(memcmp(ipv6res, "fe80::214:4fff:fe0b:76c8", 24) != 0)
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exit(1); /* fail */
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/* - */
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exit(0);
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_works_inet_ntop="yes"
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],[
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AC_MSG_RESULT([no])
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tst_works_inet_ntop="no"
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])
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fi
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#
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if test "$tst_compi_inet_ntop" = "yes" &&
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test "$tst_works_inet_ntop" != "no"; then
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AC_MSG_CHECKING([if inet_ntop usage allowed])
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if test "x$curl_disallow_inet_ntop" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_inet_ntop="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_inet_ntop="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if inet_ntop might be used])
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if test "$tst_links_inet_ntop" = "yes" &&
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test "$tst_proto_inet_ntop" = "yes" &&
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test "$tst_compi_inet_ntop" = "yes" &&
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test "$tst_allow_inet_ntop" = "yes" &&
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test "$tst_works_inet_ntop" != "no"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_INET_NTOP, 1,
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[Define to 1 if you have a IPv6 capable working inet_ntop function.])
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ac_cv_func_inet_ntop="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_inet_ntop="no"
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fi
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])
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dnl CURL_CHECK_FUNC_LOCALTIME_R
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dnl -------------------------------------------------
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dnl Verify if localtime_r is available, prototyped, can
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@ -1,7 +1,6 @@
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/* MSK, 02/05/04, Hand edited for trail build on Alpha V7.3, DEC C 6.5-003 */
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/* MSK, 03/09/04, Seems to work for all platforms I've built on so far. */
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/* Added HAVE_SYS_IOCTL_H and IOCTL_3_ARGS defines */
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/* MSK, 06/04/04, Added HAVE_INET_NTOP */
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/* TES, 10/06/04, Added MAX_INITIAL_POST_SIZE, HAVE_BASENAME */
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/* MSK, 02/02/05, Changed HAVE_TERMIOS_H to an undef since the change in */
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/* getpass.c no longer undef'd it during compile. */
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@ -265,9 +264,6 @@
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/* IOCTL_3_ARGS defined to match the ioctl function in stropts.h */
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#define IOCTL_3_ARGS 1
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/* Somewhere around 7.12.0 HAVE_INET_NTOP was introduced. */
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#define HAVE_INET_NTOP 1
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/* to disable LDAP */
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#define CURL_DISABLE_LDAP 1
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