# generated automatically by aclocal 1.7.9 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 # Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ AC_DEFUN([ACX_WITH_GSSAPI],[ # # Use --with-gssapi[=DIR] to enable GSSAPI support. # # defaults to enabled with DIR in default list below # # Search for /SUNHEA/ and read the comments about this default below. # AC_ARG_WITH( [gssapi], AC_HELP_STRING( [--with-gssapi], [GSSAPI directory (default autoselects)]), , [with_gssapi=yes])dnl dnl dnl FIXME - cache withval and obliterate later cache values when options change dnl # # Try to locate a GSSAPI installation if no location was specified, assuming # GSSAPI was enabled (the default). # if test -n "$acx_gssapi_cv_gssapi"; then # Granted, this is a slightly ugly way to print this info, but the # AC_CHECK_HEADER used in the search for a GSSAPI installation makes using # AC_CACHE_CHECK worse AC_MSG_CHECKING([for GSSAPI]) else :; fi AC_CACHE_VAL([acx_gssapi_cv_gssapi], [ if test x$with_gssapi = xyes; then # --with but no location specified # assume a gssapi.h or gssapi/gssapi.h locates our install. # # This isn't always strictly true. For instance Solaris 7's SUNHEA (header) # package installs gssapi.h whether or not the necessary libraries are # installed. I'm still not sure whether to consider this a bug. The long # way around is to not consider GSSPAI installed unless gss_import_name is # found, but that brings up a lot of other hassles, like continuing to let # gcc & ld generate the error messages when the user uses --with-gssapi=dir # as a debugging aid. The short way around is to disable GSSAPI by default, # but I think Sun users have been faced with this for awhile and I haven't # heard many complaints. acx_gssapi_save_CPPFLAGS=$CPPFLAGS for acx_gssapi_cv_gssapi in yes /usr/kerberos /usr/cygnus/kerbnet no; do if test x$acx_gssapi_cv_gssapi = xno; then break fi if test x$acx_gssapi_cv_gssapi = xyes; then AC_MSG_CHECKING([for GSSAPI]) AC_MSG_RESULT([]) else CPPFLAGS="$acx_gssapi_save_CPPFLAGS -I$acx_gssapi_cv_gssapi/include" AC_MSG_CHECKING([for GSSAPI in $acx_gssapi_cv_gssapi]) AC_MSG_RESULT([]) fi unset ac_cv_header_gssapi_h unset ac_cv_header_gssapi_gssapi_h unset ac_cv_header_krb5_h AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h krb5.h]) if (test "$ac_cv_header_gssapi_h" = yes || test "$ac_cv_header_gssapi_gssapi_h" = yes) && test "$ac_cv_header_krb5_h" = yes; then break fi done CPPFLAGS=$acx_gssapi_save_CPPFLAGS else acx_gssapi_cv_gssapi=$with_gssapi fi AC_MSG_CHECKING([for GSSAPI]) ])dnl AC_MSG_RESULT([$acx_gssapi_cv_gssapi]) # # Set up GSSAPI includes for later use. We don't bother to check for # $acx_gssapi_cv_gssapi=no here since that will be caught later. # if test x$acx_gssapi_cv_gssapi = xyes; then # no special includes necessary GSSAPI_INCLUDES="" else # GSSAPI at $acx_gssapi_cv_gssapi (could be 'no') GSSAPI_INCLUDES=" -I$acx_gssapi_cv_gssapi/include" fi # # Get the rest of the information CVS needs to compile with GSSAPI support # if test x$acx_gssapi_cv_gssapi != xno; then # define HAVE_GSSAPI and set up the includes AC_DEFINE([HAVE_GSSAPI], , [Define if you have GSSAPI with Kerberos version 5 available.]) includeopt=$includeopt$GSSAPI_INCLUDES # locate any other headers acx_gssapi_save_CPPFLAGS=$CPPFLAGS CPPFLAGS=$CPPFLAGS$GSSAPI_INCLUDES dnl We don't use HAVE_KRB5_H anywhere, but including it here might make it dnl easier to spot errors by reading configure output AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h krb5.h]) # And look through them for GSS_C_NT_HOSTBASED_SERVICE or its alternatives AC_CACHE_CHECK( [for GSS_C_NT_HOSTBASED_SERVICE], [acx_gssapi_cv_gss_c_nt_hostbased_service], [ acx_gssapi_cv_gss_c_nt_hostbased_service=no if test "$ac_cv_header_gssapi_h" = "yes"; then AC_EGREP_HEADER( [GSS_C_NT_HOSTBASED_SERVICE], [gssapi.h], [acx_gssapi_cv_gss_c_nt_hostbased_service=yes], [ AC_EGREP_HEADER( [gss_nt_service_name], [gssapi.h], [acx_gssapi_cv_gss_c_nt_hostbased_service=gss_nt_service_name]) ]) fi if test $acx_gssapi_cv_gss_c_nt_hostbased_service = no && test "$ac_cv_header_gssapi_gssapi_h" = "yes"; then AC_EGREP_HEADER( [GSS_C_NT_HOSTBASED_SERVICE], [gssapi/gssapi.h], [acx_gssapi_cv_gss_c_nt_hostbased_service=yes], [ AC_EGREP_HEADER([gss_nt_service_name], [gssapi/gssapi.h], [acx_gssapi_cv_gss_c_nt_hostbased_service=gss_nt_service_name]) ]) else :; fi if test $acx_gssapi_cv_gss_c_nt_hostbased_service = no && test "$ac_cv_header_gssapi_gssapi_generic_h" = "yes"; then AC_EGREP_HEADER( [GSS_C_NT_HOSTBASED_SERVICE], [gssapi/gssapi_generic.h], [acx_gssapi_cv_gss_c_nt_hostbased_service=yes], [ AC_EGREP_HEADER( [gss_nt_service_name], [gssapi/gssapi_generic.h], [acx_gssapi_cv_gss_c_nt_hostbased_service=gss_nt_service_name]) ]) else :; fi ]) if test $acx_gssapi_cv_gss_c_nt_hostbased_service != yes && test $acx_gssapi_cv_gss_c_nt_hostbased_service != no; then # don't define for yes since that means it already means something and # don't define for no since we'd rather the compiler catch the error # It's debatable whether we'd prefer that the compiler catch the error # - it seems our estranged developer is more likely to be familiar with # the intricacies of the compiler than with those of autoconf, but by # the same token, maybe we'd rather alert them to the fact that most # of the support they need to fix the problem is installed if they can # simply locate the appropriate symbol. AC_DEFINE_UNQUOTED( [GSS_C_NT_HOSTBASED_SERVICE], [$acx_gssapi_cv_gss_c_nt_hostbased_service], [Define to an alternative value if GSS_C_NT_HOSTBASED_SERVICE isn't defined in the gssapi.h header file. MIT Kerberos 1.2.1 requires this. Only relevant when using GSSAPI.]) else :; fi CPPFLAGS=$acx_gssapi_save_CPPFLAGS # Expect the libs to be installed parallel to the headers # # We could try once with and once without, but I'm not sure it's worth the # trouble. if test x$acx_gssapi_cv_gssapi != xyes; then if test -z "$LIBS"; then LIBS="-L$acx_gssapi_cv_gssapi/lib" else LIBS="-L$acx_gssapi_cv_gssapi/lib $LIBS" fi else :; fi dnl What happens if we want to enable, say, krb5 and some other GSSAPI dnl authentication method at the same time? # # Some of the order below is particular due to library dependencies # # # des Heimdal K 0.3d, but Heimdal seems to be set up such # that it could have been installed from elsewhere. # AC_SEARCH_LIBS([des_set_odd_parity], [des]) # # com_err Heimdal K 0.3d # # com_err MIT K5 v1.2.2-beta1 # AC_SEARCH_LIBS([com_err], [com_err]) # # asn1 Heimdal K 0.3d -lcom_err # AC_SEARCH_LIBS([initialize_asn1_error_table_r], [asn1]) # # resolv required, but not installed by Heimdal K 0.3d # # resolv MIT K5 1.2.2-beta1 # Linux 2.2.17 # AC_SEARCH_LIBS([__dn_expand], [resolv]) # # crypt Needed by roken under FreeBSD 4.6. # AC_SEARCH_LIBS([crypt], [crypt]) # # roken Heimdal K 0.3d -lresolv # roken FreeBSD 4.6 -lcrypt # AC_SEARCH_LIBS([roken_gethostbyaddr], [roken]) # # k5crypto MIT K5 v1.2.2-beta1 # AC_SEARCH_LIBS([valid_enctype], [k5crypto]) # # gen ? ? ? Needed on Irix 5.3 with some # Irix 5.3 version of Kerberos. I'm not # sure which since Irix didn't # get any testing this time # around. Original comment: # # This is necessary on Irix 5.3, in order to link against libkrb5 -- # there, an_to_ln.o refers to things defined only in -lgen. # AC_SEARCH_LIBS([compile], [gen]) # # krb5 ? ? ? -lgen -l??? # Irix 5.3 # # krb5 MIT K5 v1.1.1 # # krb5 MIT K5 v1.2.2-beta1 -lcrypto -lcom_err # Linux 2.2.17 # # krb5 MIT K5 v1.2.2-beta1 -lcrypto -lcom_err -lresolv # # krb5 Heimdal K 0.3d -lasn1 -lroken -ldes # AC_SEARCH_LIBS([krb5_free_context], [krb5]) # # gssapi_krb5 Only lib needed with MIT K5 v1.2.1, so find it first in # order to prefer MIT Kerberos. 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AC_MSG_CHECKING([for SIZE_MAX]) result= AC_EGREP_CPP([Found it], [ #include #if HAVE_STDINT_H #include #endif #ifdef SIZE_MAX Found it #endif ], result=yes) if test -z "$result"; then dnl Define it ourselves. Here we assume that the type 'size_t' is not wider dnl than the type 'unsigned long'. dnl The _AC_COMPUTE_INT macro works up to LONG_MAX, since it uses 'expr', dnl which is guaranteed to work from LONG_MIN to LONG_MAX. _AC_COMPUTE_INT([~(size_t)0 / 10], res_hi, [#include ], result=?) _AC_COMPUTE_INT([~(size_t)0 % 10], res_lo, [#include ], result=?) _AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint, [#include ], result=?) if test "$fits_in_uint" = 1; then dnl Even though SIZE_MAX fits in an unsigned int, it must be of type dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'. 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # serial 10 AC_PREREQ([2.54]) # Autoconf 2.50 wants to disallow AM_ names. We explicitly allow # the ones we care about. m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE]) # AM_INIT_AUTOMAKE([OPTIONS]) # ----------------------------------------------- # The call with PACKAGE and VERSION arguments is the old style # call (pre autoconf-2.50), which is being phased out. PACKAGE # and VERSION should now be passed to AC_INIT and removed from # the call to AM_INIT_AUTOMAKE. # We support both call styles for the transition. After # the next Automake release, Autoconf can make the AC_INIT # arguments mandatory, and then we can depend on a new Autoconf # release and drop the old call support. 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