mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
352 lines
11 KiB
Plaintext
352 lines
11 KiB
Plaintext
/* This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details. */
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AC_DEFUN([ACX_WITH_GSSAPI],[
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#
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# Use --with-gssapi[=DIR] to enable GSSAPI support.
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#
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# defaults to enabled with DIR in default list below
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#
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# Search for /SUNHEA/ and read the comments about this default below.
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#
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AC_ARG_WITH(
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[gssapi],
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AC_HELP_STRING(
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[--with-gssapi],
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[GSSAPI directory (default autoselects)]), ,
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[with_gssapi=yes])dnl
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dnl
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dnl FIXME - cache withval and obliterate later cache values when options change
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dnl
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#
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# Try to locate a GSSAPI installation if no location was specified, assuming
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# GSSAPI was enabled (the default).
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#
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if test -n "$acx_gssapi_cv_gssapi"; then
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# Granted, this is a slightly ugly way to print this info, but the
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# AC_CHECK_HEADER used in the search for a GSSAPI installation makes using
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# AC_CACHE_CHECK worse
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AC_MSG_CHECKING([for GSSAPI])
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else :; fi
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AC_CACHE_VAL([acx_gssapi_cv_gssapi], [
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if test x$with_gssapi = xyes; then
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# --with but no location specified
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# assume a gssapi.h or gssapi/gssapi.h locates our install.
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#
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# This isn't always strictly true. For instance Solaris 7's SUNHEA (header)
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# package installs gssapi.h whether or not the necessary libraries are
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# installed. I'm still not sure whether to consider this a bug. The long
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# way around is to not consider GSSPAI installed unless gss_import_name is
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# found, but that brings up a lot of other hassles, like continuing to let
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# gcc & ld generate the error messages when the user uses --with-gssapi=dir
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# as a debugging aid. The short way around is to disable GSSAPI by default,
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# but I think Sun users have been faced with this for awhile and I haven't
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# heard many complaints.
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acx_gssapi_save_CPPFLAGS=$CPPFLAGS
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for acx_gssapi_cv_gssapi in yes /usr/kerberos /usr/cygnus/kerbnet no; do
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if test x$acx_gssapi_cv_gssapi = xno; then
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break
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fi
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if test x$acx_gssapi_cv_gssapi = xyes; then
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AC_MSG_CHECKING([for GSSAPI])
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AC_MSG_RESULT([])
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else
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CPPFLAGS="$acx_gssapi_save_CPPFLAGS -I$acx_gssapi_cv_gssapi/include"
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AC_MSG_CHECKING([for GSSAPI in $acx_gssapi_cv_gssapi])
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AC_MSG_RESULT([])
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fi
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unset ac_cv_header_gssapi_h
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unset ac_cv_header_gssapi_gssapi_h
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unset ac_cv_header_krb5_h
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AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h krb5.h])
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if (test "$ac_cv_header_gssapi_h" = yes ||
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test "$ac_cv_header_gssapi_gssapi_h" = yes) &&
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test "$ac_cv_header_krb5_h" = yes; then
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break
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fi
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done
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CPPFLAGS=$acx_gssapi_save_CPPFLAGS
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else
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acx_gssapi_cv_gssapi=$with_gssapi
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fi
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AC_MSG_CHECKING([for GSSAPI])
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])dnl
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AC_MSG_RESULT([$acx_gssapi_cv_gssapi])
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#
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# Set up GSSAPI includes for later use. We don't bother to check for
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# $acx_gssapi_cv_gssapi=no here since that will be caught later.
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#
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if test x$acx_gssapi_cv_gssapi = xyes; then
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# no special includes necessary
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GSSAPI_INCLUDES=""
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else
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# GSSAPI at $acx_gssapi_cv_gssapi (could be 'no')
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GSSAPI_INCLUDES=" -I$acx_gssapi_cv_gssapi/include"
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fi
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#
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# Get the rest of the information CVS needs to compile with GSSAPI support
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#
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if test x$acx_gssapi_cv_gssapi != xno; then
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# define HAVE_GSSAPI and set up the includes
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AC_DEFINE([HAVE_GSSAPI], ,
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[Define if you have GSSAPI with Kerberos version 5 available.])
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includeopt=$includeopt$GSSAPI_INCLUDES
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# locate any other headers
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acx_gssapi_save_CPPFLAGS=$CPPFLAGS
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CPPFLAGS=$CPPFLAGS$GSSAPI_INCLUDES
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dnl We don't use HAVE_KRB5_H anywhere, but including it here might make it
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dnl easier to spot errors by reading configure output
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AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h krb5.h])
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# And look through them for GSS_C_NT_HOSTBASED_SERVICE or its alternatives
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AC_CACHE_CHECK(
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[for GSS_C_NT_HOSTBASED_SERVICE],
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[acx_gssapi_cv_gss_c_nt_hostbased_service],
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[
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acx_gssapi_cv_gss_c_nt_hostbased_service=no
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if test "$ac_cv_header_gssapi_h" = "yes"; then
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AC_EGREP_HEADER(
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[GSS_C_NT_HOSTBASED_SERVICE], [gssapi.h],
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[acx_gssapi_cv_gss_c_nt_hostbased_service=yes],
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[
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AC_EGREP_HEADER(
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[gss_nt_service_name], [gssapi.h],
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[acx_gssapi_cv_gss_c_nt_hostbased_service=gss_nt_service_name])
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])
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fi
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if test $acx_gssapi_cv_gss_c_nt_hostbased_service = no &&
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test "$ac_cv_header_gssapi_gssapi_h" = "yes"; then
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AC_EGREP_HEADER(
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[GSS_C_NT_HOSTBASED_SERVICE], [gssapi/gssapi.h],
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[acx_gssapi_cv_gss_c_nt_hostbased_service=yes],
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[
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AC_EGREP_HEADER([gss_nt_service_name], [gssapi/gssapi.h],
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[acx_gssapi_cv_gss_c_nt_hostbased_service=gss_nt_service_name])
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])
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else :; fi
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if test $acx_gssapi_cv_gss_c_nt_hostbased_service = no &&
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test "$ac_cv_header_gssapi_gssapi_generic_h" = "yes"; then
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AC_EGREP_HEADER(
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[GSS_C_NT_HOSTBASED_SERVICE], [gssapi/gssapi_generic.h],
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[acx_gssapi_cv_gss_c_nt_hostbased_service=yes],
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[
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AC_EGREP_HEADER(
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[gss_nt_service_name], [gssapi/gssapi_generic.h],
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[acx_gssapi_cv_gss_c_nt_hostbased_service=gss_nt_service_name])
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])
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else :; fi
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])
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if test $acx_gssapi_cv_gss_c_nt_hostbased_service != yes &&
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test $acx_gssapi_cv_gss_c_nt_hostbased_service != no; then
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# don't define for yes since that means it already means something and
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# don't define for no since we'd rather the compiler catch the error
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# It's debatable whether we'd prefer that the compiler catch the error
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# - it seems our estranged developer is more likely to be familiar with
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# the intricacies of the compiler than with those of autoconf, but by
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# the same token, maybe we'd rather alert them to the fact that most
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# of the support they need to fix the problem is installed if they can
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# simply locate the appropriate symbol.
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AC_DEFINE_UNQUOTED(
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[GSS_C_NT_HOSTBASED_SERVICE],
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[$acx_gssapi_cv_gss_c_nt_hostbased_service],
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[Define to an alternative value if GSS_C_NT_HOSTBASED_SERVICE isn't defined
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in the gssapi.h header file. MIT Kerberos 1.2.1 requires this. Only relevant
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when using GSSAPI.])
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else :; fi
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CPPFLAGS=$acx_gssapi_save_CPPFLAGS
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# Expect the libs to be installed parallel to the headers
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#
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# We could try once with and once without, but I'm not sure it's worth the
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# trouble.
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if test x$acx_gssapi_cv_gssapi != xyes; then
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if test -z "$LIBS"; then
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LIBS="-L$acx_gssapi_cv_gssapi/lib"
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else
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LIBS="-L$acx_gssapi_cv_gssapi/lib $LIBS"
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fi
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else :; fi
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dnl What happens if we want to enable, say, krb5 and some other GSSAPI
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dnl authentication method at the same time?
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#
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# Some of the order below is particular due to library dependencies
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#
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#
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# des Heimdal K 0.3d, but Heimdal seems to be set up such
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# that it could have been installed from elsewhere.
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#
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AC_SEARCH_LIBS([des_set_odd_parity], [des])
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#
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# com_err Heimdal K 0.3d
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#
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# com_err MIT K5 v1.2.2-beta1
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#
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AC_SEARCH_LIBS([com_err], [com_err])
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#
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# asn1 Heimdal K 0.3d -lcom_err
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#
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AC_SEARCH_LIBS([initialize_asn1_error_table_r], [asn1])
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#
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# resolv required, but not installed by Heimdal K 0.3d
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#
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# resolv MIT K5 1.2.2-beta1
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# Linux 2.2.17
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#
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AC_SEARCH_LIBS([__dn_expand], [resolv])
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#
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# crypt Needed by roken under FreeBSD 4.6.
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#
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AC_SEARCH_LIBS([crypt], [crypt])
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#
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# roken Heimdal K 0.3d -lresolv
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# roken FreeBSD 4.6 -lcrypt
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#
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AC_SEARCH_LIBS([roken_gethostbyaddr], [roken])
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#
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# k5crypto MIT K5 v1.2.2-beta1
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#
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AC_SEARCH_LIBS([valid_enctype], [k5crypto])
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#
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# gen ? ? ? Needed on Irix 5.3 with some
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# Irix 5.3 version of Kerberos. I'm not
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# sure which since Irix didn't
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# get any testing this time
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# around. Original comment:
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#
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# This is necessary on Irix 5.3, in order to link against libkrb5 --
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# there, an_to_ln.o refers to things defined only in -lgen.
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#
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AC_SEARCH_LIBS([compile], [gen])
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#
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# krb5 ? ? ? -lgen -l???
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# Irix 5.3
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#
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# krb5 MIT K5 v1.1.1
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#
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# krb5 MIT K5 v1.2.2-beta1 -lcrypto -lcom_err
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# Linux 2.2.17
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#
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# krb5 MIT K5 v1.2.2-beta1 -lcrypto -lcom_err -lresolv
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#
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# krb5 Heimdal K 0.3d -lasn1 -lroken -ldes
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#
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AC_SEARCH_LIBS([krb5_free_context], [krb5])
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#
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# gssapi_krb5 Only lib needed with MIT K5 v1.2.1, so find it first in
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# order to prefer MIT Kerberos. If both MIT & Heimdal
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# Kerberos are installed and in the path, this will leave
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# some of the libraries above in LIBS unnecessarily, but
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# noone would ever do that, right?
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#
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# gssapi_krb5 MIT K5 v1.2.2-beta1 -lkrb5
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#
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# gssapi Heimdal K 0.3d -lkrb5
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#
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AC_SEARCH_LIBS([gss_import_name], [gssapi_krb5 gssapi])
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fi
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])dnl
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# size_max.m4 serial 2
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dnl Copyright (C) 2003 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible.
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AC_DEFUN([gl_SIZE_MAX],
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[
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AC_CHECK_HEADERS(stdint.h)
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dnl First test whether the system already has SIZE_MAX.
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AC_MSG_CHECKING([for SIZE_MAX])
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result=
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AC_EGREP_CPP([Found it], [
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#include <limits.h>
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#if HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#ifdef SIZE_MAX
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Found it
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#endif
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], result=yes)
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if test -z "$result"; then
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dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
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dnl than the type 'unsigned long'.
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dnl The _AC_COMPUTE_INT macro works up to LONG_MAX, since it uses 'expr',
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dnl which is guaranteed to work from LONG_MIN to LONG_MAX.
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_AC_COMPUTE_INT([~(size_t)0 / 10], res_hi,
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[#include <stddef.h>], result=?)
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_AC_COMPUTE_INT([~(size_t)0 % 10], res_lo,
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[#include <stddef.h>], result=?)
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_AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint,
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[#include <stddef.h>], result=?)
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if test "$fits_in_uint" = 1; then
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dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
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dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
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AC_TRY_COMPILE([#include <stddef.h>
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extern size_t foo;
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extern unsigned long foo;
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], [], fits_in_uint=0)
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fi
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if test -z "$result"; then
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if test "$fits_in_uint" = 1; then
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result="$res_hi$res_lo"U
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else
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result="$res_hi$res_lo"UL
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fi
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else
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dnl Shouldn't happen, but who knows...
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result='~(size_t)0'
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fi
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fi
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AC_MSG_RESULT([$result])
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if test "$result" != yes; then
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AC_DEFINE_UNQUOTED([SIZE_MAX], [$result],
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[Define as the maximum value of type 'size_t', if the system doesn't define it.])
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fi
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])
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# xsize.m4 serial 3
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dnl Copyright (C) 2003-2004 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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AC_DEFUN([gl_XSIZE],
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[
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dnl Prerequisites of lib/xsize.h.
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AC_REQUIRE([gl_SIZE_MAX])
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AC_REQUIRE([AC_C_INLINE])
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AC_CHECK_HEADERS(stdint.h)
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])
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