DEVEL15-linux-byte-range-locks-sensibility-20090526
[openafs.git] / acinclude.m4
1 dnl This file contains the common configuration code which would
2 dnl otherwise be duplicated between configure and configure-libafs.
3 dnl
4 dnl NB: Because this code is a macro, references to positional shell
5 dnl parameters must be done like $[]1 instead of $1
6
7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
8 AH_VERBATIM([RCSID],
9 [#define RCSID(msg) \
10 static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
11 #undef HAVE_CONNECT
12 #undef HAVE_GETHOSTBYNAME
13 #undef HAVE_RES_SEARCH
14 #undef HAVE_SOCKET
15 #undef STRUCT_SOCKADDR_HAS_SA_LEN
16 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
17 # if ENDIANESS_IN_SYS_PARAM_H
18 #  ifndef KERNEL
19 #   include <sys/types.h>
20 #   include <sys/param.h>
21 #   if BYTE_ORDER == BIG_ENDIAN
22 #   define WORDS_BIGENDIAN 1
23 #   endif
24 #  else
25 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
26 #    define WORDS_BIGENDIAN 1
27 #   else
28 #    undef WORDS_BIGENDIAN
29 #   endif
30 #  endif
31 # else
32 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
33 #   define WORDS_BIGENDIAN 1
34 #  else
35 #   undef WORDS_BIGENDIAN
36 #  endif
37 # endif
38 #else
39 # if defined(__BIG_ENDIAN__)
40 #  define WORDS_BIGENDIAN 1
41 # else
42 #  undef WORDS_BIGENDIAN
43 # endif
44 #endif
45 #ifdef UKERNEL
46 /*
47  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
48  * play nice with some other interfaces like FUSE. We technically only would
49  * need to define this when building for such interfaces, but set it always to
50  * try and reduce potential confusion. 
51  */
52 #define _FILE_OFFSET_BITS 64
53 #endif
54
55 #undef AFS_AFSDB_ENV
56 #undef AFS_LARGEFILE_ENV
57 #undef AFS_NAMEI_ENV
58 #undef BITMAP_LATER
59 #undef BOS_RESTRICTED_MODE
60 #undef BOS_NEW_CONFIG
61 #undef FAST_RESTART
62 #undef FULL_LISTVOL_SWITCH
63 #undef COMPLETION_H_EXISTS
64 #undef DEFINED_FOR_EACH_PROCESS
65 #undef DEFINED_PREV_TASK
66 #undef EXPORTED_KALLSYMS_ADDRESS
67 #undef EXPORTED_KALLSYMS_SYMBOL
68 #undef EXPORTED_SYS_CALL_TABLE
69 #undef EXPORTED_IA32_SYS_CALL_TABLE
70 #undef EXPORTED_TASKLIST_LOCK
71 #undef INODE_SETATTR_NOT_VOID
72 #undef IRIX_HAS_MEM_FUNCS
73 #undef RECALC_SIGPENDING_TAKES_VOID
74 #undef STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
75 #undef STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
76 #undef STRUCT_FS_HAS_FS_ROLLED
77 #undef STRUCT_INODE_HAS_I_DEVICES
78 #undef STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
79 #undef STRUCT_INODE_HAS_I_ALLOC_SEM
80 #undef STRUCT_INODE_HAS_I_TRUNCATE_SEM
81 #undef STRUCT_TASK_STRUCT_HAS_PARENT
82 #undef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
83 #undef STRUCT_TASK_STRUCT_HAS_SIG
84 #undef STRUCT_TASK_STRUCT_HAS_SIGHAND
85 #undef STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
86 #undef ssize_t
87 #undef HAVE_STRUCT_BUF
88 #undef HAVE_ARPA_NAMESER_COMPAT_H
89 /* glue for RedHat kernel bug */
90 #undef ENABLE_REDHAT_BUILDSYS
91 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
92 #include "redhat-fix.h"
93 #endif])
94
95 AC_CANONICAL_HOST
96 SRCDIR_PARENT=`pwd`
97
98 #BOZO_SAVE_CORES pam sia
99
100 dnl System identity.
101 AC_ARG_WITH([afs-sysname],
102     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
103
104 dnl General feature options.
105 AC_ARG_ENABLE([afsdb],
106     [AS_HELP_STRING([--disable-afsdb], [disable AFSDB DNS RR support])],
107     ,
108     [enable_afsdb="yes"])
109 AC_ARG_ENABLE([obsolete],
110     [AC_HELP_STRING([--enable-obsolete],
111         [enable obsolete portions of AFS (mpp and package)])],
112     ,
113     [enable_obsolete="no"])
114 AC_ARG_ENABLE([pam],
115     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
116     ,
117     [enable_pam="yes"])
118 AC_ARG_ENABLE([bos-restricted-mode],
119     [AS_HELP_STRING([--enable-bos-restricted-mode],
120         [enable bosserver restricted mode which disables certain bosserver
121          functionality])],
122     , 
123     [enable_bos_restricted_mode="no"])
124 AC_ARG_ENABLE([bos-new-config],
125     [AS_HELP_STRING([--enable-bos-new-config],
126         [enable bosserver pickup of BosConfig.new on restarts])],
127     ,
128     [enable_bos_new_config="no"])
129 AC_ARG_ENABLE([largefile-fileserver],
130     [AS_HELP_STRING([--disable-largefile-fileserver],
131         [disable large file support in fileserver])],
132     ,
133     [enable_largefile_fileserver="yes"])
134 AC_ARG_ENABLE([namei-fileserver],
135     [AS_HELP_STRING([--enable-namei-fileserver],
136         [force compilation of namei fileserver in preference to inode
137          fileserver])],
138     , 
139     [enable_namei_fileserver="default"])
140 AC_ARG_ENABLE([cache-bypass],
141     [AS_HELP_STRING([--enable-cache-bypass],
142         [enable client support for cache bypass])],
143     , 
144     [enable_cache_bypass="no"])
145 AC_ARG_ENABLE([supergroups],
146     [AS_HELP_STRING([--enable-supergroups],
147         [enable support for nested pts groups])],
148     , 
149     [enable_supergroups="no"])
150 AC_ARG_ENABLE([fast-restart],
151     [AS_HELP_STRING([--enable-fast-restart],
152         [enable fast startup of file server without salvaging])],
153     , 
154     [enable_fast_restart="no"])
155 AC_ARG_ENABLE([bitmap-later],
156     [AS_HELP_STRING([--enable-bitmap-later],
157         [enable fast startup of file server by not reading bitmap till
158          needed])],
159     , 
160     [enable_bitmap_later="no"])
161 AC_ARG_ENABLE([demand-attach-fs],
162     [AS_HELP_STRING([--enable-demand-attach-fs],
163         [enable Demand Attach Fileserver (please see documentation)])],
164     , 
165     [enable_demand_attach_fs="no"])
166 AC_ARG_ENABLE([disconnected],
167     [AS_HELP_STRING([--enable-disconnected],
168         [enable disconnected support in cache manager (experimental)])],
169     , 
170     [enable_disconnected="no"])
171 AC_ARG_ENABLE([unix-sockets],
172     [AS_HELP_STRING([--enable-unix-sockets],
173         [enable use of unix domain sockets for fssync])],
174     ,
175     [enable_unix_sockets="yes"])
176 AC_ARG_ENABLE([full-vos-listvol-switch],
177     [AS_HELP_STRING([--disable-full-vos-listvol-switch],
178         [disable vos full listvol switch for formatted output])],
179     , 
180     [enable_full_vos_listvol_switch="yes"])
181 AC_ARG_ENABLE([icmp-pmtu-discovery],
182     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
183         [enable path MTU discovery by decoding ICMP unreachable replies])],
184     , 
185     [enable_icmp_pmtu_discovery="no"])
186 AC_ARG_ENABLE([tivoli-tsm],
187     [AS_HELP_STRING([--enable-tivoli-tsm],
188         [enable use of the Tivoli TSM API libraries for butc support])],
189     , 
190     [enable_tivoli_tsm="no"])
191 AC_ARG_ENABLE([pthreaded-ubik],
192     [AS_HELP_STRING([--enable-pthreaded-ubik],
193         [enable installation of pthreaded ubik applications (defaults to
194          disabled)])],
195     ,
196     [enable_pthreaded_ubik="no"])
197
198 dnl Kernel module build options.
199 AC_ARG_WITH([dux-kernel-headers],
200     [AS_HELP_STRING([--with-dux-kernel-headers=path],
201         [use the kernel headers found at path (optional, defaults to first
202          match in /usr/sys)])])
203 AC_ARG_WITH([linux-kernel-headers],
204     [AS_HELP_STRING([--with-linux-kernel-headers=path],
205         [use the kernel headers found at path (optional, defaults to
206          /usr/src/linux-2.4, then /usr/src/linux)])])
207 AC_ARG_WITH([linux-kernel-build],
208     [AS_HELP_STRING([--with-linux-kernel-build=path],
209         [use the kernel build found at path(optional, defaults to 
210         /usr/src/linux-2.4, then /usr/src/linux)])])
211 AC_ARG_WITH([bsd-kernel-headers],
212     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
213         [use the kernel headers found at path (optional, defaults to
214          /usr/src/sys)])])
215 AC_ARG_WITH([bsd-kernel-build],
216     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
217         [use the kernel build found at path (optional, defaults to
218          KSRC/i386/compile/GENERIC)])])
219 AC_ARG_WITH([linux-kernel-packaging],
220     [AS_HELP_STRING([--with-linux-kernel-packaging],
221         [use standard naming conventions to aid Linux kernel build packaging
222          (disables MPS, sets the kernel module name to openafs.ko, and
223          installs kernel modules into the standard Linux location)])],
224     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
225      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
226     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
227 AC_ARG_ENABLE([kernel-module],
228     [AS_HELP_STRING([--disable-kernel-module],
229         [disable compilation of the kernel module (defaults to enabled)])],
230     , 
231     [enable_kernel_module="yes"])
232 AC_ARG_ENABLE([redhat-buildsys],
233     [AS_HELP_STRING([--enable-redhat-buildsys],
234         [enable compilation of the redhat build system kernel (defaults to
235          disabled)])],
236     ,
237     [enable_redhat_buildsys="no"])
238
239 dnl Installation locations.
240 AC_ARG_ENABLE([transarc-paths],
241     [AS_HELP_STRING([--enable-transarc-paths],
242         [use Transarc style paths like /usr/afs and /usr/vice])],
243     , 
244     [enable_transarc_paths="no"])
245
246 dnl Optimization and debugging flags.
247 AC_ARG_ENABLE([strip-binaries],
248     [AS_HELP_STRING([--disable-strip-binaries],
249         [disable stripping of symbol information from binaries (defaults to
250          enabled)])],
251     ,
252     [enable_strip_binaries="maybe"])
253 AC_ARG_ENABLE([debug],
254     [AS_HELP_STRING([--enable-debug],
255         [enable compilation of the user space code with debugging information
256          (defaults to disabled)])],
257     , 
258     [enable_debug="no"])
259 AC_ARG_ENABLE([optimize],
260     [AS_HELP_STRING([--disable-optimize],
261         [disable optimization for compilation of the user space code (defaults
262          to enabled)])],
263     , 
264     [enable_optimize="yes"])
265 AC_ARG_ENABLE([warnings],
266     [AS_HELP_STRING([--enable-warnings],
267         [enable compilation warnings when building with gcc (defaults to
268          disabled)])],
269     ,
270     [enable_warnings="no"])
271 AC_ARG_ENABLE([debug-kernel],
272     [AS_HELP_STRING([--enable-debug-kernel],
273         [enable compilation of the kernel module with debugging information
274          (defaults to disabled)])],
275     ,
276     [enable_debug_kernel="no"])
277 AC_ARG_ENABLE([optimize-kernel],
278     [AS_HELP_STRING([--disable-optimize-kernel],
279         [disable compilation of the kernel module with optimization (defaults
280          based on platform)])],
281     , 
282     [enable_optimize_kernel="yes"])
283 AC_ARG_ENABLE([debug-lwp],
284     [AS_HELP_STRING([--enable-debug-lwp],
285         [enable compilation of the LWP code with debugging information
286          (defaults to disabled)])],
287     ,
288     [enable_debug_lwp="no"])
289 AC_ARG_ENABLE([optimize-lwp],
290     [AS_HELP_STRING([--disable-optimize-lwp],
291         [disable optimization for compilation of the LWP code (defaults to
292          enabled)])],
293     ,
294     [enable_optimize_lwp="yes"])
295 AC_ARG_ENABLE([debug-pam],
296     [AS_HELP_STRING([--enable-debug-pam],
297         [enable compilation of the PAM code with debugging information
298          (defaults to disabled)])],
299     ,
300     [enable_debug_pam="no"])
301 AC_ARG_ENABLE([optimize-pam],
302     [AS_HELP_STRING([--disable-optimize-pam],
303         [disable optimization for compilation of the PAM code (defaults to
304          enabled)])],
305     ,
306     [enable_optimize_pam="yes"])
307
308
309 enable_login="no"
310
311 dnl weird ass systems
312 dnl AC_AIX
313 AC_ISC_POSIX
314 dnl AC_MINIX
315
316 dnl Various compiler setup.
317 AC_TYPE_PID_T
318 AC_TYPE_SIZE_T
319 AC_TYPE_SIGNAL
320 AC_TYPE_SOCKLEN_T
321 AC_CHECK_TYPES(sig_t, , ,
322   [#include <sys/types.h>
323    #include <signal.h> ])
324 AH_BOTTOM(
325 [#ifndef HAVE_SIG_T
326 #ifndef SIG_T_DEFINED
327 #define SIG_T_DEFINED
328 typedef RETSIGTYPE (*sig_t) ();
329 #endif
330 #endif])
331 COMPILER_HAS_FUNCTION_MACRO
332
333 dnl Checks for programs.
334 AC_PROG_INSTALL
335 AC_PROG_LN_S
336 AC_PROG_RANLIB
337 AC_PROG_YACC
338 AM_PROG_LEX
339
340 OPENAFS_CHECK_BIGENDIAN
341
342 AC_MSG_CHECKING(your OS)
343 system=$host
344 case $system in
345         *-linux*)
346
347                 MKAFS_OSTYPE=LINUX
348                 if test "x$enable_redhat_buildsys" = "xyes"; then
349                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
350                 fi
351                 if test "x$enable_kernel_module" = "xyes"; then
352                  if test "x$with_linux_kernel_headers" != "x"; then
353                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
354                  else
355                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
356                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
357                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
358                    fi
359                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
360                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
361                    fi
362                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
363                      LINUX_KERNEL_PATH="/usr/src/linux"
364                    fi
365                  fi
366                  if test "x$with_linux_kernel_build" != "x"; then
367                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
368                  else
369                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
370                  fi
371                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
372                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
373                  LINUX_VERSION="$linux_kvers"
374                else
375                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
376                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
377                   if test "x$linux_kvers" = "x"; then
378                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
379                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
380                       if test "x$linux_kvers" = "x"; then
381
382                         AC_MSG_ERROR(Linux headers lack version definition [2])
383                         exit 1
384                       else
385                         LINUX_VERSION="$linux_kvers"
386                       fi
387                     else
388                       AC_MSG_ERROR(Linux headers lack version definition)
389                       exit 1
390                     fi
391                   else
392                     LINUX_VERSION="$linux_kvers"
393                   fi
394                  else
395                     enable_kernel_module="no"
396                  fi
397                fi
398                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
399                      enable_kernel_module="no"
400                  fi
401                  if test "x$enable_kernel_module" = "xno"; then
402                   if test "x$with_linux_kernel_headers" != "x"; then
403                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
404                    exit 1
405                   else
406                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
407                   fi
408                  fi
409                  dnl do we need to determine SUBARCH from autoconf.h
410                  SUBARCH=default
411                 fi
412                 AC_MSG_RESULT(linux)
413                 if test "x$enable_kernel_module" = "xyes"; then
414                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
415                  if test "x${AFS_SYSKVERS}" = "x"; then
416                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
417                  fi
418                 fi
419                 ;;
420         *-solaris*)
421                 MKAFS_OSTYPE=SOLARIS
422                 AC_MSG_RESULT(sun4)
423                 SOLARIS_UFSVFS_HAS_DQRWLOCK
424                 SOLARIS_PROC_HAS_P_COREFILE
425                 SOLARIS_FS_HAS_FS_ROLLED
426                 ;;
427         *-sunos*)
428                 MKAFS_OSTYPE=SUNOS
429                 enable_kernel_module=no
430                 AC_MSG_RESULT(sun4)
431                 ;;
432         *-hpux*)
433                 MKAFS_OSTYPE=HPUX
434                 AC_MSG_RESULT(hp_ux)
435                 if test -f "/usr/old/usr/include/ndir.h"; then
436                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
437                 fi
438                 ;;
439         *-irix*)
440                 if test -d /usr/include/sys/SN/SN1; then
441                  IRIX_BUILD_IP35="IP35"
442                 fi
443                 MKAFS_OSTYPE=IRIX
444                 AC_MSG_RESULT(sgi)
445                 ;;
446         *-aix*)
447                 MKAFS_OSTYPE=AIX
448                 AC_MSG_RESULT(rs_aix)
449                 ;;
450         *-osf*)
451                 MKAFS_OSTYPE=DUX
452                 AC_MSG_RESULT(alpha_dux)
453                 if test "x$enable_kernel_module" = "xyes"; then
454                  if test "x$with_dux_kernel_headers" != "x"; then
455                    HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
456                  else
457                    HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
458                  fi
459                 fi
460                 if test "$HEADER_RT" = "*" ; then
461                         AC_MSG_ERROR([Need a configured kernel directory])
462                 fi
463                 AC_SUBST([HEADER_RT])
464                 ;;
465         powerpc-*-darwin*)
466                 MKAFS_OSTYPE=DARWIN
467                 AC_MSG_RESULT(ppc_darwin)
468                 ;;
469         i386-*-darwin*)
470                 MKAFS_OSTYPE=DARWIN
471                 AC_MSG_RESULT(x86_darwin)
472                 ;;
473         i386-*-freebsd*)
474                 MKAFS_OSTYPE=FBSD
475                 AC_MSG_RESULT(i386_fbsd)
476                 ;;
477         x86_64-*-freebsd*)
478                 MKAFS_OSTYPE=FBSD
479                 AC_MSG_RESULT(amd64_fbsd)
480                 ;;
481         *-netbsd*)
482                 MKAFS_OSTYPE=NBSD
483                 AC_MSG_RESULT(nbsd)
484                 ;;
485         *-openbsd*)
486                 MKAFS_OSTYPE=OBSD
487                 AC_MSG_RESULT(i386_obsd)
488                 ;;
489         *-dragonfly*)
490                 MKAFS_OSTYPE=DFBSD
491                 AC_MSG_RESULT(i386_dfbsd)
492                 ;;
493         *)
494                 AC_MSG_RESULT($system)
495                 ;;
496 esac
497
498 if test "x$with_afs_sysname" != "x"; then
499         AFS_SYSNAME="$with_afs_sysname"
500 else
501         AC_MSG_CHECKING(your AFS sysname)
502         case $host in
503                 i?86-*-openbsd?.?)
504                         v=${host#*openbsd}
505                         vM=${v%.*}
506                         vm=${v#*.}
507                         AFS_SYSNAME="i386_obsd${vM}${vm}"
508                         ;;
509                 sparc64-*-openbsd?.?)
510                         v=${host#*openbsd}
511                         vM=${v%.*}
512                         vm=${v#*.}
513                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
514                         ;;
515                 i?86-*-freebsd?.*)
516                         v=${host#*freebsd}
517                         vM=${v%.*}
518                         vm=${v#*.}
519                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
520                         ;;
521                 x86_64-*-freebsd?.*)
522                         v=${host#*freebsd}
523                         vM=${v%.*}
524                         vm=${v#*.}
525                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
526                         ;;
527                 i386-*-dragonfly2.2*)
528                         AFS_SYSNAME="i386_dfbsd_23"
529                         ;;
530                 i386-*-dragonfly2.3*)
531                         AFS_SYSNAME="i386_dfbsd_23"
532                         ;;
533                 i?86-*-netbsd*1.5*)
534                         AFS_PARAM_COMMON=param.nbsd15.h
535                         AFS_SYSNAME="i386_nbsd15"
536                         ;;
537                 alpha-*-netbsd*1.5*)
538                         AFS_PARAM_COMMON=param.nbsd15.h
539                         AFS_SYSNAME="alpha_nbsd15"
540                         ;;
541                 i?86-*-netbsd*1.6[[M-Z]]*)
542                         AFS_PARAM_COMMON=param.nbsd20.h
543                         AFS_SYSNAME="i386_nbsd20"
544                         ;;
545                 powerpc-*-netbsd*1.6[[M-Z]]*)
546                         AFS_PARAM_COMMON=param.nbsd20.h
547                         AFS_SYSNAME="ppc_nbsd20"
548                         ;;
549                 i?86-*-netbsd*2.0*)
550                         AFS_PARAM_COMMON=param.nbsd20.h
551                         AFS_SYSNAME="i386_nbsd20"
552                         ;;
553                 amd64-*-netbsd*2.0*)
554                         AFS_PARAM_COMMON=param.nbsd20.h
555                         AFS_SYSNAME="amd64_nbsd20"
556                         ;;
557                 x86_64-*-netbsd*3.[[0-8]]*)
558                         AFS_PARAM_COMMON=param.nbsd30.h
559                         AFS_SYSNAME="amd64_nbsd30"
560                         ;;
561                 x86_64-*-netbsd*4.[[0-8]]*)
562                         AFS_PARAM_COMMON=param.nbsd40.h
563                         AFS_SYSNAME="amd64_nbsd40"
564                         ;;
565                 powerpc-*-netbsd*2.0*)
566                         AFS_PARAM_COMMON=param.nbsd20.h
567                         AFS_SYSNAME="ppc_nbsd20"
568                         ;;
569                 i?86-*-netbsd*1.6*)
570                         AFS_PARAM_COMMON=param.nbsd16.h
571                         AFS_SYSNAME="i386_nbsd16"
572                         ;;
573                 alpha-*-netbsd*1.6*)
574                         AFS_PARAM_COMMON=param.nbsd16.h
575                         AFS_SYSNAME="alpha_nbsd16"
576                         ;;
577                 powerpc-*-netbsd*1.6*)
578                         AFS_PARAM_COMMON=param.nbsd16.h
579                         AFS_SYSNAME="ppc_nbsd16"
580                         ;;
581                 i?86-*-netbsd*2.1*)
582                         AFS_PARAM_COMMON=param.nbsd21.h
583                         AFS_SYSNAME="i386_nbsd21"
584                         ;;
585                 i?86-*-netbsd*2.99*)
586                         AFS_PARAM_COMMON=param.nbsd30.h
587                         AFS_SYSNAME="i386_nbsd30"
588                         ;;
589                 i?86-*-netbsd*3.[[0-8]]*)
590                         AFS_PARAM_COMMON=param.nbsd30.h
591                         AFS_SYSNAME="i386_nbsd30"
592                         ;;
593                 i?86-*-netbsd*3.99*)
594                         AFS_PARAM_COMMON=param.nbsd30.h
595                         AFS_SYSNAME="i386_nbsd30"
596                         ;;
597                 i?86-*-netbsd*4.[[0-8]]*)
598                         AFS_PARAM_COMMON=param.nbsd40.h
599                         AFS_SYSNAME="i386_nbsd40"
600                         ;;
601                 i?86-*-netbsd*4.99*)
602                         AFS_PARAM_COMMON=param.nbsd40.h
603                         AFS_SYSNAME="i386_nbsd40"
604                         ;;
605                 hppa*-hp-hpux11.0*)
606                         AFS_SYSNAME="hp_ux110"
607                         ;;
608                 hppa*-hp-hpux11.11)
609                         AFS_SYSNAME="hp_ux11i"
610                         ;;
611                 hppa*-hp-hpux11.23)
612                         AFS_SYSNAME="hp_ux1123"
613                         ;;
614                 ia64-hp-hpux11.22)
615                         AFS_SYSNAME="ia64_hpux1122"
616                         ;;
617                 ia64-hp-hpux*)
618                         AFS_SYSNAME="ia64_hpux1123"
619                         ;;
620                 hppa*-hp-hpux10*)
621                         AFS_SYSNAME="hp_ux102"
622                         ;;
623                 powerpc-apple-darwin1.2*)
624                         AFS_SYSNAME="ppc_darwin_12"
625                         ;;
626                 powerpc-apple-darwin1.3*)
627                         AFS_SYSNAME="ppc_darwin_13"
628                         ;;
629                 powerpc-apple-darwin1.4*)
630                         AFS_SYSNAME="ppc_darwin_14"
631                         ;;
632                 powerpc-apple-darwin5.1*)
633                         AFS_SYSNAME="ppc_darwin_14"
634                         ;;
635                 powerpc-apple-darwin5.2*)
636                         AFS_SYSNAME="ppc_darwin_14"
637                         ;;
638                 powerpc-apple-darwin5.3*)
639                         AFS_SYSNAME="ppc_darwin_14"
640                         ;;
641                 powerpc-apple-darwin5.4*)
642                         AFS_SYSNAME="ppc_darwin_14"
643                         ;;
644                 powerpc-apple-darwin5.5*)
645                         AFS_SYSNAME="ppc_darwin_14"
646                         ;;
647                 powerpc-apple-darwin6.0*)
648                         AFS_SYSNAME="ppc_darwin_60"
649                         ;;
650                 powerpc-apple-darwin6.1*)
651                         AFS_SYSNAME="ppc_darwin_60"
652                         ;;
653                 powerpc-apple-darwin6.2*)
654                         AFS_SYSNAME="ppc_darwin_60"
655                         ;;
656                 powerpc-apple-darwin6.3*)
657                         AFS_SYSNAME="ppc_darwin_60"
658                         ;;
659                 powerpc-apple-darwin6.4*)
660                         AFS_SYSNAME="ppc_darwin_60"
661                         ;;
662                 powerpc-apple-darwin6.5*)
663                         AFS_SYSNAME="ppc_darwin_60"
664                         ;;
665                 powerpc-apple-darwin7.0*)
666                         AFS_SYSNAME="ppc_darwin_70"
667                         ;;
668                 powerpc-apple-darwin7.1*)
669                         AFS_SYSNAME="ppc_darwin_70"
670                         ;;
671                 powerpc-apple-darwin7.2*)
672                         AFS_SYSNAME="ppc_darwin_70"
673                         ;;
674                 powerpc-apple-darwin7.3*)
675                         AFS_SYSNAME="ppc_darwin_70"
676                         ;;
677                 powerpc-apple-darwin7.4*)
678                         AFS_SYSNAME="ppc_darwin_70"
679                         ;;
680                 powerpc-apple-darwin7.5*)
681                         AFS_SYSNAME="ppc_darwin_70"
682                         ;;
683                 powerpc-apple-darwin8.0*)
684                         AFS_SYSNAME="ppc_darwin_80"
685                         ;;
686                 powerpc-apple-darwin8.*)
687                         AFS_SYSNAME="ppc_darwin_80"
688                         ;;
689                 i386-apple-darwin8.*)
690                         AFS_SYSNAME="x86_darwin_80"
691                         ;;
692                 powerpc-apple-darwin9.*)
693                         AFS_SYSNAME="ppc_darwin_90"
694                         ;;
695                 i386-apple-darwin9.*)
696                         AFS_SYSNAME="x86_darwin_90"
697                         ;;
698                 sparc-sun-solaris2.5*)
699                         AFS_SYSNAME="sun4x_55"
700                         enable_login="yes"
701                         ;;
702                 sparc-sun-solaris2.6)
703                         AFS_SYSNAME="sun4x_56"
704                         ;;
705                 sparc-sun-solaris2.7)
706                         AFS_SYSNAME="sun4x_57"
707                         ;;
708                 sparc-sun-solaris2.8)
709                         AFS_SYSNAME="sun4x_58"
710                         ;;
711                 sparc-sun-solaris2.9)
712                         AFS_SYSNAME="sun4x_59"
713                         ;;
714                 sparc-sun-solaris2.10)
715                         AFS_SYSNAME="sun4x_510"
716                         ;;
717                 sparc-sun-solaris2.11)
718                         AFS_SYSNAME="sun4x_511"
719                         ;;
720                 sparc-sun-sunos4*)
721                         AFS_SYSNAME="sun4_413"
722                         enable_login="yes"
723                         ;;
724                 i386-pc-solaris2.7)
725                         AFS_SYSNAME="sunx86_57"
726                         ;;
727                 i386-pc-solaris2.8)
728                         AFS_SYSNAME="sunx86_58"
729                         ;;
730                 i386-pc-solaris2.9)
731                         AFS_SYSNAME="sunx86_59"
732                         ;;
733                 i386-pc-solaris2.10)
734                         AFS_SYSNAME="sunx86_510"
735                         ;;
736                 i386-pc-solaris2.11)
737                         AFS_SYSNAME="sunx86_511"
738                         ;;
739                 alpha*-dec-osf4.0*)
740                         AFS_SYSNAME="alpha_dux40"
741                         ;;
742                 alpha*-dec-osf5.0*)
743                         AFS_SYSNAME="alpha_dux50"
744                         ;;
745                 alpha*-dec-osf5.1*)
746                         AFS_SYSNAME="alpha_dux51"
747                         ;;
748                 mips-sgi-irix6.5)
749                         AFS_SYSNAME="sgi_65"
750                         ;;
751                 ia64-*-linux*)
752                         AFS_SYSNAME="ia64_linuxXX"
753                         ;;
754                 powerpc-*-linux*)
755                         AFS_SYSNAME="`/bin/arch`_linuxXX"
756                         ;;
757                 powerpc64-*-linux*)
758                         AFS_SYSNAME="ppc64_linuxXX"
759                         ;;
760                 alpha*-linux*)
761                         AFS_SYSNAME="alpha_linux_XX"
762                         ;;
763                 s390-*-linux*)
764                         AFS_SYSNAME="s390_linuxXX"
765                         ;;
766                 s390x-*-linux*)
767                         AFS_SYSNAME="s390x_linuxXX"
768                         ;;
769                 sparc-*-linux*)
770                         AFS_SYSNAME="`/bin/arch`_linuxXX"
771                         ;;
772                 sparc64-*-linux*)
773                         AFS_SYSNAME="sparc64_linuxXX"
774                         ;;
775                 i?86-*-linux*)
776                         AFS_SYSNAME="i386_linuxXX"
777                         ;;
778                 parisc-*-linux-gnu|hppa-*-linux-gnu)
779                         AFS_SYSNAME="parisc_linuxXX"
780                         enable_pam="no"
781                         ;;
782                 power*-ibm-aix4.2*)
783                         AFS_SYSNAME="rs_aix42"
784                         enable_pam="no"
785                         ;;
786                 power*-ibm-aix4.3*)
787                         AFS_SYSNAME="rs_aix42"
788                         enable_pam="no"
789                         ;;
790                 power*-ibm-aix5.1*)
791                         AFS_SYSNAME="rs_aix51"
792                         enable_pam="no"
793                         ;;
794                 power*-ibm-aix5.2*)
795                         AFS_SYSNAME="rs_aix52"
796                         enable_pam="no"
797                         ;;
798                 power*-ibm-aix5.3*)
799                         AFS_SYSNAME="rs_aix53"
800                         enable_pam="no"
801                         ;;
802                 power*-ibm-aix6.1*)
803                         AFS_SYSNAME="rs_aix61"
804                         enable_pam="no"
805                         ;;
806                 x86_64-*-linux-gnu)
807                         AFS_SYSNAME="amd64_linuxXX"
808                         enable_pam="no"
809                         ;;
810                 *)
811                         AC_MSG_ERROR(An AFS sysname is required)
812                         exit 1
813                         ;;
814         esac
815         case $AFS_SYSNAME in
816                 *_linux* | *_umlinux*)
817                         if test "x${AFS_SYSKVERS}" = "x"; then
818                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
819                         fi
820                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
821                         AFS_SYSNAME="$_AFS_SYSNAME"
822                         save_CPPFLAGS="$CPPFLAGS"
823                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
824                         AC_TRY_COMPILE(
825                          [#include <linux/autoconf.h>],
826                          [#ifndef CONFIG_USERMODE
827                           #error not UML
828                           #endif],
829                          ac_cv_linux_is_uml=yes,)
830                         if test "${ac_cv_linux_is_uml}" = yes; then
831                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
832                         fi
833                         CPPFLAGS="$save_CPPFLAGS"
834                         AFS_SYSNAME="$_AFS_SYSNAME"
835                         ;;
836         esac
837         AC_MSG_RESULT($AFS_SYSNAME)
838 fi
839
840 case $AFS_SYSNAME in *_linux* | *_umlinux*)
841
842                 # Add (sub-) architecture-specific paths needed by conftests
843                 case $AFS_SYSNAME  in
844                         *_umlinux26)
845                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
846                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
847                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
848                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
849                 esac
850
851                 if test "x$enable_kernel_module" = "xyes"; then
852                  if test "x$enable_debug_kernel" = "xno"; then
853                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
854                  fi
855                  OPENAFS_GCC_SUPPORTS_MARCH
856                  AC_SUBST(P5PLUS_KOPTS)
857                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
858                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
859                  OPENAFS_GCC_SUPPORTS_NO_COMMON
860                  OPENAFS_GCC_SUPPORTS_PIPE
861                  AC_SUBST(LINUX_GCC_KOPTS)
862                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
863                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
864                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
865                  )
866
867                  LINUX_KBUILD_USES_EXTRA_CFLAGS
868                  LINUX_KERNEL_COMPILE_WORKS
869                  LINUX_EXPORTS_FIND_TASK_BY_PID
870                  LINUX_EXPORTS_PROC_ROOT_FS
871                  LINUX_HAVE_CURRENT_KERNEL_TIME
872                  LINUX_HAVE_WRITE_BEGIN_AOP
873                  LINUX_HAVE_BDI_INIT
874                  LINUX_KMEM_CACHE_INIT
875                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
876                  LINUX_STRUCT_TASK_HAS_CRED
877                  LINUX_STRUCT_PROC_DIR_ENTRY_HAS_OWNER
878                  LINUX_HAVE_KMEM_CACHE_T
879                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
880                  LINUX_D_PATH_TAKES_STRUCT_PATH
881                  LINUX_NEW_EXPORT_OPS
882                  LINUX_CONFIG_H_EXISTS
883                  LINUX_COMPLETION_H_EXISTS
884                  LINUX_SEMAPHORE_H_EXISTS
885                  LINUX_EXPORTFS_H_EXISTS
886                  LINUX_DEFINES_FOR_EACH_PROCESS
887                  LINUX_DEFINES_PREV_TASK
888                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
889                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
890                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
891                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
892                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
893                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
894                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
895                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
896                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
897                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
898                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
899                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
900                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
901                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
902                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
903                  LINUX_INODE_SETATTR_RETURN_TYPE
904                  LINUX_WRITE_INODE_RETURN_TYPE
905                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
906                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
907                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
908                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
909                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
910                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
911                  LINUX_AOP_WRITEBACK_CONTROL
912                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
913                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
914                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
915                  LINUX_KERNEL_LINUX_SYSCALL_H
916                  LINUX_KERNEL_LINUX_SEQ_FILE_H
917                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
918                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
919                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
920                  LINUX_KERNEL_SELINUX
921                  LINUX_KERNEL_SOCK_CREATE
922                  LINUX_KERNEL_PAGE_FOLLOW_LINK
923                  LINUX_KERNEL_HLIST_UNHASHED
924                  LINUX_KEY_TYPE_H_EXISTS
925                  LINUX_NEED_RHCONFIG
926                  LINUX_RECALC_SIGPENDING_ARG_TYPE
927                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
928                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
929                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
930                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
931                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
932                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
933                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
934                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
935                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
936                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
937                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
938                  LINUX_EXPORTS_TASKLIST_LOCK
939                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
940                  LINUX_STATFS_TAKES_DENTRY
941                  LINUX_FREEZER_H_EXISTS
942                  LINUX_HAVE_SVC_ADDR_IN
943                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
944                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
945                  fi
946                  LINUX_REFRIGERATOR
947                  LINUX_LINUX_KEYRING_SUPPORT
948                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
949                  LINUX_KEY_ALLOC_NEEDS_CRED
950                  LINUX_DO_SYNC_READ
951                  LINUX_GENERIC_FILE_AIO_READ
952                  LINUX_INIT_WORK_HAS_DATA
953                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
954                  LINUX_SYSCTL_TABLE_CHECKING
955                  LINUX_HAVE_IGET
956                  if test "x$ac_cv_linux_have_iget" = "xno"; then
957                    AC_DEFINE([LINUX_USE_FH], 1, [define to use linux file handles for cache files])
958                  fi
959                  LINUX_HAVE_I_SIZE_READ
960                  LINUX_HAVE_D_ALLOC_ANON
961                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
962                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
963                  fi
964                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
965                  LINUX_EXPORTS_INIT_MM
966                  LINUX_EXPORTS_SYS_CHDIR
967                  LINUX_EXPORTS_SYS_CLOSE
968                  LINUX_EXPORTS_SYS_OPEN
969                  LINUX_EXPORTS_SYS_WAIT4
970                  LINUX_EXPORTS_RCU_READ_LOCK
971                  if test "x$with_linux_kernel_packaging" = "xno" ; then
972                    LINUX_WHICH_MODULES
973                  else
974                    AC_SUBST(MPS,'SP')
975                  fi
976                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
977                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
978                    ac_cv_linux_exports_sys_call_table=no
979                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
980                      ac_cv_linux_exports_ia32_sys_call_table=yes
981                    fi
982                  else
983                    LINUX_EXPORTS_KALLSYMS_ADDRESS
984                    LINUX_EXPORTS_KALLSYMS_SYMBOL
985                    LINUX_EXPORTS_SYS_CALL_TABLE
986                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
987                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
988                          linux_syscall_method=none
989                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
990                             linux_syscall_method=scan
991                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
992                                linux_syscall_method=scan_with_kallsyms_address
993                             fi
994                          fi
995                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
996                             linux_syscall_method=kallsyms_symbol
997                          fi
998                          if test "x$linux_syscall_method" = "xnone"; then
999                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1000                             linux_syscall_method=scan
1001                          fi
1002                    fi
1003                  fi
1004                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1005                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1006                  fi
1007                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1008                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1009                  fi
1010                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1011                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1012                  fi
1013                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1014                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1015                  fi
1016                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1017                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1018                  fi
1019                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1020                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1021                  fi
1022                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1023                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1024                  fi
1025                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1026                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1027                  fi
1028                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1029                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1030                  fi
1031                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1032                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1033                  fi
1034                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1035                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1036                  fi
1037                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1038                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1039                  fi
1040                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1041                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1042                  fi
1043                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1044                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1045                  fi
1046                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1047                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1048                  fi
1049                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1050                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1051                  fi
1052                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1053                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1054                  fi
1055                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1056                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1057                  fi
1058                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1059                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1060                  fi
1061                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1062                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1063                  fi
1064                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
1065                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1066                  fi
1067                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then 
1068                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1069                  fi
1070                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then 
1071                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1072                  fi
1073                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then 
1074                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1075                  fi
1076                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then 
1077                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1078                  fi
1079                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
1080                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1081                  fi
1082                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then 
1083                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1084                  fi
1085                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then 
1086                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1087                  fi
1088                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then 
1089                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1090                  fi
1091                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
1092                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1093                  fi
1094                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then 
1095                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1096                  fi
1097                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then 
1098                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1099                  fi
1100                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then 
1101                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1102                  fi
1103                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1104                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1105                  fi
1106                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1107                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1108                  fi
1109                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1110                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1111                  fi
1112                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1113                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1114                  fi
1115                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1116                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1117                  fi
1118                  if test "x$ac_linux_syscall" = "xyes" ; then
1119                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1120                  fi
1121                  if test "x$ac_linux_seq_file" = "xyes" ; then
1122                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1123                  fi
1124                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then 
1125                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1126                  fi
1127                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then 
1128                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1129                  fi
1130                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then 
1131                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1132                  fi
1133                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then 
1134                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1135                  fi
1136                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then 
1137                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1138                  fi
1139                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then 
1140                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1141                  fi
1142                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then 
1143                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1144                  fi
1145                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then 
1146                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1147                  fi
1148                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then 
1149                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1150                  fi
1151                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then 
1152                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1153                  fi
1154                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then 
1155                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1156                  fi
1157                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1158                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1159                  fi
1160                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1161                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1162                  fi
1163                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1164                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1165                  fi
1166                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1167                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1168                  fi
1169                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1170                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1171                  fi
1172                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1173                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1174                  fi
1175                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1176                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1177                  fi
1178                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1179                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1180                  fi
1181                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1182                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1183                  fi
1184                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1185                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1186                  fi
1187                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1188                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1189                  fi
1190                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1191                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1192                  fi
1193                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1194                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1195                  fi
1196                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1197                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1198                  fi
1199                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1200                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1201                  fi
1202                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1203                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1204                  fi
1205                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1206                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1207                  fi
1208                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1209                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1210                  fi
1211                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1212                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1213                  fi
1214                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1215                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1216                  fi
1217                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1218                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1219                  fi
1220                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1221                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1222                  fi
1223                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1224                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1225                  fi
1226                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1227                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1228                  else
1229                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1230                  fi
1231                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1232                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1233                  fi
1234                 :
1235                 fi
1236 esac
1237
1238 case $AFS_SYSNAME in
1239         *_darwin*)
1240                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1241                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1242                 dnl the test below fails on darwin, even if the CPPFLAGS below
1243                 dnl are added. the headers from Kernel.framework must be used
1244                 dnl when KERNEL is defined.
1245
1246                 dnl really, such a thing isn't guaranteed to work on any 
1247                 dnl platform until the kernel cflags from MakefileProto are
1248                 dnl known to configure
1249                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1250                 ;;
1251         *)
1252 AC_MSG_CHECKING(for definition of struct buf)
1253 dnl save_CPPFLAGS="$CPPFLAGS"
1254 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1255 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1256         ac_cv_have_struct_buf=no
1257         AC_TRY_COMPILE(
1258                 [#include <sys/buf.h>],
1259                 [struct buf x;
1260                 printf("%d\n", sizeof(x));],
1261                 ac_cv_have_struct_buf=yes,)
1262         ]
1263 )
1264 dnl CPPFLAGS="$save_CPPFLAGS"
1265 AC_MSG_RESULT($ac_cv_have_struct_buf)
1266 if test "$ac_cv_have_struct_buf" = yes; then
1267         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1268 fi
1269 ;;
1270 esac
1271
1272
1273 AC_CACHE_VAL(ac_cv_sockaddr_len,
1274 [
1275 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1276 AC_TRY_COMPILE( [#include <sys/types.h>
1277 #include <sys/socket.h>],
1278 [struct sockaddr *a;
1279 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1280 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1281 if test "$ac_cv_sockaddr_len" = "yes"; then
1282    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1283 fi
1284 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1285         echo Skipping library tests because they confuse Irix.
1286 else
1287   AC_CHECK_FUNCS(socket)
1288
1289   if test "$ac_cv_func_socket" = no; then
1290     for lib in socket inet; do
1291         if test "$HAVE_SOCKET" != 1; then
1292                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
1293         fi
1294     done
1295   fi
1296   
1297   AC_CHECK_FUNCS(connect)       
1298
1299   if test "$ac_cv_func_connect" = no; then
1300     for lib in nsl; do
1301         if test "$HAVE_CONNECT" != 1; then
1302                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
1303         fi
1304     done
1305   fi
1306
1307   AC_CHECK_FUNCS(gethostbyname)
1308   if test "$ac_cv_func_gethostbyname" = no; then
1309         for lib in dns nsl resolv; do
1310           if test "$HAVE_GETHOSTBYNAME" != 1; then
1311             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
1312           fi
1313         done    
1314   fi    
1315
1316   dnl darwin wants it, aix hates it
1317   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1318   AC_TRY_COMPILE([
1319   #include <stdlib.h>
1320   #include <stdio.h>
1321   #include <sys/types.h>
1322   #include <sys/socket.h>
1323   #include <netinet/in.h>
1324   #include <arpa/inet.h>
1325   #include <arpa/nameser.h>
1326   #include <arpa/nameser_compat.h>
1327   #include <resolv.h>
1328   ], [static int i; i = 0;],
1329   [AC_MSG_RESULT(yes)
1330    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1331   [AC_MSG_RESULT(no)
1332    ])
1333
1334   openafs_save_libs="$LIBS"
1335   AC_MSG_CHECKING([for res_search])
1336   AC_FUNC_RES_SEARCH
1337
1338   if test "$ac_cv_func_res_search" = no; then
1339       for lib in dns nsl resolv; do
1340         if test "$ac_cv_func_res_search" != yes; then
1341           LIBS="-l$lib $LIBS"
1342           AC_FUNC_RES_SEARCH
1343           LIBS="$openafs_save_libs"
1344         fi
1345       done    
1346       if test "$ac_cv_func_res_search" = yes; then
1347         LIB_res_search="-l$lib"       
1348         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1349         AC_MSG_RESULT([yes, in lib$lib])
1350       else
1351         AC_MSG_RESULT(no)
1352       fi
1353   else
1354     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1355     AC_MSG_RESULT(yes)
1356   fi
1357   
1358 fi
1359
1360 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1361 [
1362 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1363 AC_TRY_COMPILE( [#include <sys/types.h>
1364 #include <sys/socket.h>
1365 #include <netinet/in.h>],
1366 [int on=1;
1367 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1368 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1369 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1370    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1371 fi
1372
1373 PTHREAD_LIBS=error
1374 if test "x$MKAFS_OSTYPE" = OBSD; then
1375         PTHREAD_LIBS="-pthread"
1376 fi
1377 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1378         PTHREAD_LIBS="-pthread"
1379 fi
1380 if test "x$PTHREAD_LIBS" = xerror; then
1381         AC_CHECK_LIB(pthread, pthread_attr_init,
1382                 PTHREAD_LIBS="-lpthread")
1383 fi
1384 if test "x$PTHREAD_LIBS" = xerror; then
1385         AC_CHECK_LIB(pthreads, pthread_attr_init,
1386                 PTHREAD_LIBS="-lpthreads")
1387 fi
1388 if test "x$PTHREAD_LIBS" = xerror; then
1389         AC_CHECK_LIB(c_r, pthread_attr_init,
1390                 PTHREAD_LIBS="-lc_r")
1391 fi
1392 if test "x$PTHREAD_LIBS" = xerror; then
1393         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1394 fi
1395 if test "x$PTHREAD_LIBS" = xerror; then
1396         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1397         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1398                 PTHREAD_LIBS="-lpthread")
1399 fi
1400 if test "x$PTHREAD_LIBS" = xerror; then
1401         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1402 fi
1403 AC_SUBST(PTHREAD_LIBS)
1404
1405 WITH_OBSOLETE=NO
1406 if test "$enable_obsolete" = "yes"; then
1407         WITH_OBSOLETE=YES
1408 fi
1409
1410 HOST_CPU="$host_cpu"
1411
1412 if test "x$with_bsd_kernel_headers" != "x"; then
1413         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1414 else
1415         BSD_KERNEL_PATH="/usr/src/sys"
1416 fi
1417
1418 if test "x$with_bsd_kernel_build" != "x"; then
1419         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1420 else
1421         case $AFS_SYSNAME in
1422                 *_fbsd_4?)
1423                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1424                         ;;
1425                 *_fbsd_*)
1426                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1427                         ;;
1428         esac
1429 fi
1430
1431 # Fast restart
1432 if test "$enable_supergroups" = "yes"; then
1433         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1434 fi
1435
1436 if test "$enable_fast_restart" = "yes"; then
1437         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1438 fi
1439
1440 if test "$enable_bitmap_later" = "yes"; then
1441         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1442 fi
1443
1444 if test "$enable_demand_attach_fs" = "yes"; then
1445         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1446         DEMAND_ATTACH="yes"
1447 else
1448         DEMAND_ATTACH="no"
1449 fi
1450 AC_SUBST(DEMAND_ATTACH)
1451
1452 if test "$enable_disconnected" = "yes"; then
1453         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1454 fi
1455
1456 if test "$enable_unix_sockets" = "yes"; then
1457         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1458         USE_UNIX_SOCKETS="yes"
1459 else
1460         USE_UNIX_SOCKETS="no"
1461 fi
1462 AC_SUBST(USE_UNIX_SOCKETS)
1463
1464 if test "$enable_fast_restart" = "yes" &&
1465    test "$enable_demand_attach_fs" = "yes" ; then
1466         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1467         exit 1
1468 fi
1469
1470 if test "$enable_full_vos_listvol_switch" = "yes"; then
1471         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1472 fi
1473
1474 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1475    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1476         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1477    fi
1478 fi
1479
1480 if test "$enable_bos_restricted_mode" = "yes"; then
1481         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1482 fi
1483
1484 if test "$enable_bos_new_config" = "yes"; then
1485         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1486 fi
1487
1488 if test "$enable_largefile_fileserver" = "yes"; then
1489         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1490 fi
1491
1492 if test "$enable_cache_bypass" = "yes"; then
1493         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1494 fi
1495
1496 if test "$enable_namei_fileserver" = "yes"; then
1497         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1498 else
1499         if test "$enable_namei_fileserver" = "default"; then
1500                 case $host in
1501                         *-solaris2.10*)
1502                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1503                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1504                                 ;;
1505                         *-solaris2.11*)
1506                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1507                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1508                                 ;;
1509                         *)
1510                                 ;;
1511                 esac
1512         fi
1513 fi
1514
1515 if test "$enable_afsdb" = "yes"; then
1516         LIB_AFSDB="$LIB_res_search"
1517         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1518 fi
1519
1520 dnl check for tivoli
1521 AC_MSG_CHECKING(for tivoli tsm butc support)
1522 XBSA_CFLAGS=""
1523 if test "$enable_tivoli_tsm" = "yes"; then
1524         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1525         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1526         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1527         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1528
1529         if test -r "$XBSADIR3/dsmapifp.h"; then
1530                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1531                 XBSA_XLIBS="-ldl"
1532                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1533         elif test -r "$XBSADIR4/dsmapifp.h"; then
1534                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1535                 XBSA_XLIBS="-ldl"
1536                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1537         elif test -r "$XBSADIR1/xbsa.h"; then
1538                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1539                 XBSA_XLIBS=""
1540                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1541         elif test -r "$XBSADIR2/xbsa.h"; then
1542                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1543                 XBSA_XLIBS=""
1544                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1545         else
1546                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1547         fi
1548 else
1549         AC_MSG_RESULT([no])
1550 fi
1551 AC_SUBST(XBSA_CFLAGS)
1552 AC_SUBST(XBSA_XLIBS) 
1553
1554 dnl checks for header files.
1555 AC_HEADER_STDC
1556 AC_HEADER_SYS_WAIT
1557 AC_HEADER_DIRENT
1558 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1559 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1560 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1561 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1562 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1563 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1564 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1565
1566 AC_CHECK_TYPES([fsblkcnt_t],,,[
1567 #include <sys/types.h>
1568 #ifdef HAVE_SYS_BITYPES_H
1569 #include <sys/bitypes.h>
1570 #endif
1571 #ifdef HAVE_SYS_STATFS_H
1572 #include <sys/statfs.h>
1573 #endif
1574 #ifdef HAVE_SYS_STATVFS_H
1575 #include <sys/statvfs.h>
1576 #endif
1577 ])
1578
1579 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1580         HAVE_PAM="yes"
1581 else
1582         HAVE_PAM="no"
1583 fi
1584 AC_SUBST(HAVE_PAM)
1585
1586 if test "$enable_login" = yes; then
1587         BUILD_LOGIN="yes"
1588 else
1589         BUILD_LOGIN="no"
1590 fi
1591 AC_SUBST(BUILD_LOGIN)
1592
1593 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1594 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1595 AC_CHECK_FUNCS(setvbuf vsyslog)
1596 AC_FUNC_SETVBUF_REVERSED
1597 AC_CHECK_FUNCS(regcomp regexec regerror)
1598 AC_MSG_CHECKING([for POSIX regex library])
1599 if test "$ac_cv_header_regex_h" = "yes" && \
1600         test "$ac_cv_func_regcomp" = "yes" && \
1601         test "$ac_cv_func_regexec" = "yes" && \
1602         test "$ac_cv_func_regerror" = "yes"; then
1603     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1604     AC_MSG_RESULT(yes)
1605 else
1606     AC_MSG_RESULT(no)
1607 fi
1608         
1609 AC_CHECK_TYPE(ssize_t, int)
1610 AC_SIZEOF_TYPE(long)
1611
1612 AC_CHECK_FUNCS(timegm)
1613 AC_CHECK_FUNCS(daemon)
1614
1615 dnl Directory PATH handling
1616 if test "x$enable_transarc_paths" = "xyes"  ; then 
1617     afsconfdir=${afsconfdir=/usr/afs/etc}
1618     viceetcdir=${viceetcdir=/usr/vice/etc}
1619     afskerneldir=${afskerneldir=${viceetcdir}}
1620     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1621     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1622     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1623     afsdbdir=${afsdbdir=/usr/afs/db}
1624     afslogsdir=${afslogsdir=/usr/afs/logs}
1625     afslocaldir=${afslocaldir=/usr/afs/local}
1626     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1627     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1628 else 
1629     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1630     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1631     afskerneldir=${afskerneldir='${libdir}/openafs'}
1632     afssrvbindir=${afssrvbindir='${bindir}'}
1633     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1634     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1635     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1636     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1637     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1638     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1639     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1640 fi
1641 AC_SUBST(afsconfdir)
1642 AC_SUBST(viceetcdir)
1643 AC_SUBST(afskerneldir)
1644 AC_SUBST(afssrvbindir)
1645 AC_SUBST(afssrvsbindir)
1646 AC_SUBST(afssrvlibexecdir)
1647 AC_SUBST(afsdbdir)
1648 AC_SUBST(afslogsdir)
1649 AC_SUBST(afslocaldir)
1650 AC_SUBST(afsbackupdir)
1651 AC_SUBST(afsbosconfigdir)
1652
1653 if test "x$enable_kernel_module" = "xyes"; then
1654 ENABLE_KERNEL_MODULE=libafs
1655 fi
1656
1657 if test "x$enable_pthreaded_ubik" = "xyes"; then
1658 ENABLE_PTHREADED_UBIK=yes
1659 fi
1660
1661 AC_SUBST(AFS_SYSNAME)
1662 AC_SUBST(AFS_PARAM_COMMON)
1663 AC_SUBST(ENABLE_KERNEL_MODULE)
1664 AC_SUBST(ENABLE_PTHREADED_UBIK)
1665 AC_SUBST(LIB_AFSDB)
1666 AC_SUBST(LINUX_KERNEL_PATH)
1667 AC_SUBST(LINUX_KERNEL_BUILD)
1668 AC_SUBST(HOST_CPU)
1669 AC_SUBST(BSD_KERNEL_PATH)
1670 AC_SUBST(BSD_KERNEL_BUILD)
1671 AC_SUBST(LINUX_VERSION)
1672 AC_SUBST(MKAFS_OSTYPE)
1673 AC_SUBST(TOP_OBJDIR)
1674 AC_SUBST(TOP_SRCDIR)
1675 AC_SUBST(TOP_INCDIR)
1676 AC_SUBST(TOP_LIBDIR)
1677 AC_SUBST(DEST)
1678 AC_SUBST(WITH_OBSOLETE)
1679 AC_SUBST(DARWIN_INFOFILE)
1680 AC_SUBST(IRIX_BUILD_IP35)
1681
1682 OPENAFS_OSCONF
1683 OPENAFS_KRB5CONF
1684
1685 TOP_SRCDIR="${srcdir}/src"
1686 dnl
1687 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1688 dnl
1689 case $TOP_SRCDIR in
1690         /*)
1691                 ;;
1692         *)
1693                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1694                 ;;
1695 esac
1696
1697 TOP_OBJDIR="${SRCDIR_PARENT}"
1698 TOP_INCDIR="${SRCDIR_PARENT}/include"
1699 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1700 if test "${DEST}x" = "x"; then
1701         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1702 fi
1703
1704 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1705 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1706 AC_SUBST(HELPER_SPLINT)
1707 AC_SUBST(HELPER_SPLINTCFG)
1708
1709 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1710
1711 ])