b7408f3106c2e9b0d65c63da71e03beb75913725
[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
9 AC_CANONICAL_HOST
10 SRCDIR_PARENT=`pwd`
11
12 #BOZO_SAVE_CORES pam sia
13 AC_ARG_WITH(afs-sysname,
14 [  --with-afs-sysname=sys    use sys for the afs sysname]
15 )
16 AC_ARG_ENABLE( obsolete,
17 [  --enable-obsolete                    enable obsolete portions of AFS (mpp and package)],, enable_obsolete="no")
18 AC_ARG_ENABLE( afsdb,
19 [  --disable-afsdb                      disable AFSDB DNS RR support],, enable_afsdb="yes")
20 AC_ARG_ENABLE( pam,
21 [  --disable-pam                        disable PAM support],, enable_pam="yes")
22 AC_ARG_ENABLE( bos-restricted-mode,
23 [  --enable-bos-restricted-mode         enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
24 AC_ARG_ENABLE( bos-new-config,
25 [  --enable-bos-new-config              enable bosserver pickup of BosConfig.new on restarts],, enable_bos_new_config="no")
26 AC_ARG_ENABLE( largefile-fileserver,
27 [  --disable-largefile-fileserver       disable large file support in fileserver],, enable_largefile_fileserver="yes")
28 AC_ARG_ENABLE( namei-fileserver,
29 [  --enable-namei-fileserver            force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
30 AC_ARG_ENABLE( supergroups,
31 [  --enable-supergroups                 enable support for nested pts groups],, enable_supergroups="no")
32 AC_ARG_ENABLE( fast-restart,
33 [  --enable-fast-restart                enable fast startup of file server without salvaging],, enable_fast_restart="no")
34 AC_ARG_ENABLE( bitmap-later,
35 [  --enable-bitmap-later                enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
36 AC_ARG_ENABLE( demand-attach-fs,
37 [  --enable-demand-attach-fs            enable Demand Attach Fileserver (please see documentation)],, enable_demand_attach_fs="no")
38 AC_ARG_ENABLE( unix-sockets,
39 [  --enable-unix-sockets                enable use of unix domain sockets for fssync],, enable_unix_sockets="yes")
40 AC_ARG_ENABLE( full-vos-listvol-switch,
41 [  --disable-full-vos-listvol-switch    disable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="yes")
42 AC_ARG_WITH(dux-kernel-headers,
43 [  --with-dux-kernel-headers=path       use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
44 )
45 AC_ARG_WITH(linux-kernel-headers,
46 [  --with-linux-kernel-headers=path     use the kernel headers found at path(optional, defaults to /usr/src/linux-2.4, then /usr/src/linux)]
47 )
48 AC_ARG_WITH(bsd-kernel-headers,
49 [  --with-bsd-kernel-headers=path       use the kernel headers found at path(optional, defaults to /usr/src/sys)]
50 )
51 AC_ARG_WITH(bsd-kernel-build,
52 [  --with-bsd-kernel-build=path         use the kernel build found at path(optional, defaults to KSRC/i386/compile/GENERIC)]
53 )
54 AC_ARG_ENABLE(kernel-module,
55 [  --disable-kernel-module              disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
56 )
57 AC_ARG_ENABLE(redhat-buildsys,
58 [  --enable-redhat-buildsys             enable compilation of the redhat build system kernel (defaults to disabled)],, enable_redhat_buildsys="no"
59 )
60 AC_ARG_ENABLE(transarc-paths,
61 [  --enable-transarc-paths                      Use Transarc style paths like /usr/afs and /usr/vice],, enable_transarc_paths="no"
62 )
63 AC_ARG_ENABLE(tivoli-tsm,
64 [  --enable-tivoli-tsm                  Enable use of the Tivoli TSM API libraries for butc support],, enable_tivoli_tsm="no"
65 )
66 AC_ARG_ENABLE(debug-kernel,
67 [  --enable-debug-kernel                enable compilation of the kernel module with debugging information (defaults to disabled)],, enable_debug_kernel="no"
68 )
69 AC_ARG_ENABLE(optimize-kernel,
70 [  --disable-optimize-kernel            disable compilation of the kernel module with optimization (defaults based on platform)],, enable_optimize_kernel="yes"
71 )
72 AC_ARG_ENABLE(debug,
73 [  --enable-debug                       enable compilation of the user space code with debugging information (defaults to disabled)],, enable_debug="no"
74 )
75 AC_ARG_ENABLE(optimize,
76 [  --disable-optimize                   disable optimization for compilation of the user space code (defaults to enabled)],, enable_optimize="yes"
77 )
78 AC_ARG_ENABLE(debug-lwp,
79 [  --enable-debug-lwp                   enable compilation of the LWP code with debugging information (defaults to disabled)],, enable_debug_lwp="no"
80 )
81 AC_ARG_ENABLE(optimize-lwp,
82 [  --disable-optimize-lwp               disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
83 )
84 AC_ARG_ENABLE(debug-pam,
85 [  --enable-debug-pam                   enable compilation of the PAM code with debugging information (defaults to disabled)],, enable_debug_pam="no"
86 )
87 AC_ARG_ENABLE(optimize-pam,
88 [  --disable-optimize-pam               disable optimization for compilation of the PAM code (defaults to enabled)],, enable_optimize_pam="yes"
89 )
90
91
92 enable_login="no"
93
94 dnl weird ass systems
95 AC_AIX
96 AC_ISC_POSIX
97 AC_MINIX
98
99 dnl Various compiler setup.
100 AC_TYPE_PID_T
101 AC_TYPE_SIZE_T
102 AC_TYPE_SIGNAL
103 COMPILER_HAS_FUNCTION_MACRO
104
105 dnl Checks for programs.
106 AC_PROG_INSTALL
107 AC_PROG_LN_S
108 AC_PROG_RANLIB
109 AC_PROG_YACC
110 AM_PROG_LEX
111
112 OPENAFS_CHECK_BIGENDIAN
113
114 AC_MSG_CHECKING(your OS)
115 system=$host
116 case $system in
117         *-linux*)
118
119                 MKAFS_OSTYPE=LINUX
120                 if test "x$enable_redhat_buildsys" = "xyes"; then
121                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
122                 fi
123                 if test "x$enable_kernel_module" = "xyes"; then
124                  if test "x$with_linux_kernel_headers" != "x"; then
125                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
126                  else
127                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
128                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
129                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
130                    fi
131                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
132                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
133                    fi
134                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
135                      LINUX_KERNEL_PATH="/usr/src/linux"
136                    fi
137                  fi
138                if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
139                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
140                  LINUX_VERSION="$linux_kvers"
141                else
142                  if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
143                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
144                   if test "x$linux_kvers" = "x"; then
145                     if test -f "$LINUX_KERNEL_PATH/include/linux/version-up.h"; then
146                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
147                       if test "x$linux_kvers" = "x"; then
148
149                         AC_MSG_ERROR(Linux headers lack version definition [2])
150                         exit 1
151                       else
152                         LINUX_VERSION="$linux_kvers"
153                       fi
154                     else
155                       AC_MSG_ERROR(Linux headers lack version definition)
156                       exit 1
157                     fi
158                   else
159                     LINUX_VERSION="$linux_kvers"
160                   fi
161                  else
162                     enable_kernel_module="no"
163                  fi
164                fi
165                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
166                      enable_kernel_module="no"
167                  fi
168                  if test "x$enable_kernel_module" = "xno"; then
169                   if test "x$with_linux_kernel_headers" != "x"; then
170                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
171                    exit 1
172                   else
173                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
174                   fi
175                  fi
176                  dnl do we need to determine SUBARCH from autoconf.h
177                  SUBARCH=default
178                 fi
179                 AC_MSG_RESULT(linux)
180                 if test "x$enable_kernel_module" = "xyes"; then
181                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
182                  if test "x${AFS_SYSKVERS}" = "x"; then
183                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
184                  fi
185                 fi
186                 ;;
187         *-solaris*)
188                 MKAFS_OSTYPE=SOLARIS
189                 AC_MSG_RESULT(sun4)
190                 SOLARIS_UFSVFS_HAS_DQRWLOCK
191                 SOLARIS_PROC_HAS_P_COREFILE
192                 SOLARIS_FS_HAS_FS_ROLLED
193                 ;;
194         *-sunos*)
195                 MKAFS_OSTYPE=SUNOS
196                 enable_kernel_module=no
197                 AC_MSG_RESULT(sun4)
198                 ;;
199         *-hpux*)
200                 MKAFS_OSTYPE=HPUX
201                 AC_MSG_RESULT(hp_ux)
202                 if test -f "/usr/old/usr/include/ndir.h"; then
203                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
204                 fi
205                 ;;
206         *-irix*)
207                 if test -d /usr/include/sys/SN/SN1; then
208                  IRIX_BUILD_IP35="IP35"
209                 fi
210                 MKAFS_OSTYPE=IRIX
211                 AC_MSG_RESULT(sgi)
212                 ;;
213         *-aix*)
214                 MKAFS_OSTYPE=AIX
215                 AC_MSG_RESULT(rs_aix)
216                 ;;
217         *-osf*)
218                 MKAFS_OSTYPE=DUX
219                 AC_MSG_RESULT(alpha_dux)
220                 if test "x$enable_kernel_module" = "xyes"; then
221                  if test "x$with_dux_kernel_headers" != "x"; then
222                    HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
223                  else
224                    HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
225                  fi
226                 fi
227                 if test "$HEADER_RT" = "*" ; then
228                         AC_MSG_ERROR([Need a configured kernel directory])
229                 fi
230                 AC_SUBST([HEADER_RT])
231                 ;;
232         powerpc-*-darwin*)
233                 MKAFS_OSTYPE=DARWIN
234                 AC_MSG_RESULT(ppc_darwin)
235                 ;;
236         i386-*-darwin*)
237                 MKAFS_OSTYPE=DARWIN
238                 AC_MSG_RESULT(x86_darwin)
239                 ;;
240         *-freebsd*)
241                 MKAFS_OSTYPE=FBSD
242                 AC_MSG_RESULT(i386_fbsd)
243                 ;;
244         *-netbsd*)
245                 MKAFS_OSTYPE=NBSD
246                 AC_MSG_RESULT(nbsd)
247                 ;;
248         *-openbsd*)
249                 MKAFS_OSTYPE=OBSD
250                 AC_MSG_RESULT(i386_obsd)
251                 ;;
252         *)
253                 AC_MSG_RESULT($system)
254                 ;;
255 esac
256
257 if test "x$with_afs_sysname" != "x"; then
258         AFS_SYSNAME="$with_afs_sysname"
259 else
260         AC_MSG_CHECKING(your AFS sysname)
261         case $host in
262                 i?86-*-openbsd?.?)
263                         v=${host#*openbsd}
264                         vM=${v%.*}
265                         vm=${v#*.}
266                         AFS_SYSNAME="i386_obsd${vM}${vm}"
267                         ;;
268                 sparc64-*-openbsd?.?)
269                         v=${host#*openbsd}
270                         vM=${v%.*}
271                         vm=${v#*.}
272                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
273                         ;;
274                 i?86-*-freebsd?.*)
275                         v=${host#*freebsd}
276                         vM=${v%.*}
277                         vm=${v#*.}
278                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
279                         ;;
280                 i?86-*-netbsd*1.5*)
281                         AFS_PARAM_COMMON=param.nbsd15.h
282                         AFS_SYSNAME="i386_nbsd15"
283                         ;;
284                 alpha-*-netbsd*1.5*)
285                         AFS_PARAM_COMMON=param.nbsd15.h
286                         AFS_SYSNAME="alpha_nbsd15"
287                         ;;
288                 i?86-*-netbsd*1.6[[M-Z]]*)
289                         AFS_PARAM_COMMON=param.nbsd20.h
290                         AFS_SYSNAME="i386_nbsd20"
291                         ;;
292                 powerpc-*-netbsd*1.6[[M-Z]]*)
293                         AFS_PARAM_COMMON=param.nbsd20.h
294                         AFS_SYSNAME="ppc_nbsd20"
295                         ;;
296                 i?86-*-netbsd*2.0*)
297                         AFS_PARAM_COMMON=param.nbsd20.h
298                         AFS_SYSNAME="i386_nbsd20"
299                         ;;
300                 amd64-*-netbsd*2.0*)
301                         AFS_PARAM_COMMON=param.nbsd20.h
302                         AFS_SYSNAME="amd64_nbsd20"
303                         ;;
304                 powerpc-*-netbsd*2.0*)
305                         AFS_PARAM_COMMON=param.nbsd20.h
306                         AFS_SYSNAME="ppc_nbsd20"
307                         ;;
308                 i?86-*-netbsd*1.6*)
309                         AFS_PARAM_COMMON=param.nbsd16.h
310                         AFS_SYSNAME="i386_nbsd16"
311                         ;;
312                 alpha-*-netbsd*1.6*)
313                         AFS_PARAM_COMMON=param.nbsd16.h
314                         AFS_SYSNAME="alpha_nbsd16"
315                         ;;
316                 powerpc-*-netbsd*1.6*)
317                         AFS_PARAM_COMMON=param.nbsd16.h
318                         AFS_SYSNAME="ppc_nbsd16"
319                         ;;
320                 i?86-*-netbsd*2.1*)
321                         AFS_PARAM_COMMON=param.nbsd21.h
322                         AFS_SYSNAME="i386_nbsd21"
323                         ;;
324                 i?86-*-netbsd*2.99*)
325                         AFS_PARAM_COMMON=param.nbsd30.h
326                         AFS_SYSNAME="i386_nbsd30"
327                         ;;
328                 i?86-*-netbsd*3.[[0-8]]*)
329                         AFS_PARAM_COMMON=param.nbsd30.h
330                         AFS_SYSNAME="i386_nbsd30"
331                         ;;
332                 i?86-*-netbsd*3.99*)
333                         AFS_PARAM_COMMON=param.nbsd30.h
334                         AFS_SYSNAME="i386_nbsd30"
335                         ;;
336                 i?86-*-netbsd*4.[[0-8]]*)
337                         AFS_PARAM_COMMON=param.nbsd40.h
338                         AFS_SYSNAME="i386_nbsd40"
339                         ;;
340                 i?86-*-netbsd*4.99*)
341                         AFS_PARAM_COMMON=param.nbsd40.h
342                         AFS_SYSNAME="i386_nbsd40"
343                         ;;
344                 hppa*-hp-hpux11.0*)
345                         AFS_SYSNAME="hp_ux110"
346                         ;;
347                 hppa*-hp-hpux11.11)
348                         AFS_SYSNAME="hp_ux11i"
349                         ;;
350                 ia64-hp-hpux11.22)
351                         AFS_SYSNAME="ia64_hpux1122"
352                         ;;
353                 ia64-hp-hpux*)
354                         AFS_SYSNAME="ia64_hpux1123"
355                         ;;
356                 hppa*-hp-hpux10*)
357                         AFS_SYSNAME="hp_ux102"
358                         ;;
359                 powerpc-apple-darwin1.2*)
360                         AFS_SYSNAME="ppc_darwin_12"
361                         ;;
362                 powerpc-apple-darwin1.3*)
363                         AFS_SYSNAME="ppc_darwin_13"
364                         ;;
365                 powerpc-apple-darwin1.4*)
366                         AFS_SYSNAME="ppc_darwin_14"
367                         ;;
368                 powerpc-apple-darwin5.1*)
369                         AFS_SYSNAME="ppc_darwin_14"
370                         ;;
371                 powerpc-apple-darwin5.2*)
372                         AFS_SYSNAME="ppc_darwin_14"
373                         ;;
374                 powerpc-apple-darwin5.3*)
375                         AFS_SYSNAME="ppc_darwin_14"
376                         ;;
377                 powerpc-apple-darwin5.4*)
378                         AFS_SYSNAME="ppc_darwin_14"
379                         ;;
380                 powerpc-apple-darwin5.5*)
381                         AFS_SYSNAME="ppc_darwin_14"
382                         ;;
383                 powerpc-apple-darwin6.0*)
384                         AFS_SYSNAME="ppc_darwin_60"
385                         ;;
386                 powerpc-apple-darwin6.1*)
387                         AFS_SYSNAME="ppc_darwin_60"
388                         ;;
389                 powerpc-apple-darwin6.2*)
390                         AFS_SYSNAME="ppc_darwin_60"
391                         ;;
392                 powerpc-apple-darwin6.3*)
393                         AFS_SYSNAME="ppc_darwin_60"
394                         ;;
395                 powerpc-apple-darwin6.4*)
396                         AFS_SYSNAME="ppc_darwin_60"
397                         ;;
398                 powerpc-apple-darwin6.5*)
399                         AFS_SYSNAME="ppc_darwin_60"
400                         ;;
401                 powerpc-apple-darwin7.0*)
402                         AFS_SYSNAME="ppc_darwin_70"
403                         ;;
404                 powerpc-apple-darwin7.1*)
405                         AFS_SYSNAME="ppc_darwin_70"
406                         ;;
407                 powerpc-apple-darwin7.2*)
408                         AFS_SYSNAME="ppc_darwin_70"
409                         ;;
410                 powerpc-apple-darwin7.3*)
411                         AFS_SYSNAME="ppc_darwin_70"
412                         ;;
413                 powerpc-apple-darwin7.4*)
414                         AFS_SYSNAME="ppc_darwin_70"
415                         ;;
416                 powerpc-apple-darwin7.5*)
417                         AFS_SYSNAME="ppc_darwin_70"
418                         ;;
419                 powerpc-apple-darwin8.0*)
420                         AFS_SYSNAME="ppc_darwin_80"
421                         ;;
422                 powerpc-apple-darwin8.*)
423                         AFS_SYSNAME="ppc_darwin_80"
424                         ;;
425                 i386-apple-darwin8.*)
426                         AFS_SYSNAME="x86_darwin_80"
427                         ;;
428                 powerpc-apple-darwin9.*)
429                         AFS_SYSNAME="ppc_darwin_90"
430                         ;;
431                 i386-apple-darwin9.*)
432                         AFS_SYSNAME="x86_darwin_90"
433                         ;;
434                 sparc-sun-solaris2.5*)
435                         AFS_SYSNAME="sun4x_55"
436                         enable_login="yes"
437                         ;;
438                 sparc-sun-solaris2.6)
439                         AFS_SYSNAME="sun4x_56"
440                         ;;
441                 sparc-sun-solaris2.7)
442                         AFS_SYSNAME="sun4x_57"
443                         ;;
444                 sparc-sun-solaris2.8)
445                         AFS_SYSNAME="sun4x_58"
446                         ;;
447                 sparc-sun-solaris2.9)
448                         AFS_SYSNAME="sun4x_59"
449                         ;;
450                 sparc-sun-solaris2.10)
451                         AFS_SYSNAME="sun4x_510"
452                         ;;
453                 sparc-sun-solaris2.11)
454                         AFS_SYSNAME="sun4x_511"
455                         ;;
456                 sparc-sun-sunos4*)
457                         AFS_SYSNAME="sun4_413"
458                         enable_login="yes"
459                         ;;
460                 i386-pc-solaris2.7)
461                         AFS_SYSNAME="sunx86_57"
462                         ;;
463                 i386-pc-solaris2.8)
464                         AFS_SYSNAME="sunx86_58"
465                         ;;
466                 i386-pc-solaris2.9)
467                         AFS_SYSNAME="sunx86_59"
468                         ;;
469                 i386-pc-solaris2.10)
470                         AFS_SYSNAME="sunx86_510"
471                         ;;
472                 i386-pc-solaris2.11)
473                         AFS_SYSNAME="sunx86_511"
474                         ;;
475                 alpha*-dec-osf4.0*)
476                         AFS_SYSNAME="alpha_dux40"
477                         ;;
478                 alpha*-dec-osf5.0*)
479                         AFS_SYSNAME="alpha_dux50"
480                         ;;
481                 alpha*-dec-osf5.1*)
482                         AFS_SYSNAME="alpha_dux51"
483                         ;;
484                 mips-sgi-irix6.5)
485                         AFS_SYSNAME="sgi_65"
486                         ;;
487                 ia64-*-linux*)
488                         AFS_SYSNAME="ia64_linuxXX"
489                         ;;
490                 powerpc-*-linux*)
491                         AFS_SYSNAME="`/bin/arch`_linuxXX"
492                         ;;
493                 powerpc64-*-linux*)
494                         AFS_SYSNAME="ppc64_linuxXX"
495                         ;;
496                 alpha*-linux*)
497                         AFS_SYSNAME="alpha_linux_XX"
498                         ;;
499                 s390-*-linux*)
500                         AFS_SYSNAME="s390_linuxXX"
501                         ;;
502                 s390x-*-linux*)
503                         AFS_SYSNAME="s390x_linuxXX"
504                         ;;
505                 sparc-*-linux*)
506                         AFS_SYSNAME="`/bin/arch`_linuxXX"
507                         ;;
508                 sparc64-*-linux*)
509                         AFS_SYSNAME="sparc64_linuxXX"
510                         ;;
511                 i?86-*-linux*)
512                         AFS_SYSNAME="i386_linuxXX"
513                         ;;
514                 parisc-*-linux-gnu|hppa-*-linux-gnu)
515                         AFS_SYSNAME="parisc_linuxXX"
516                         enable_pam="no"
517                         ;;
518                 power*-ibm-aix4.2*)
519                         AFS_SYSNAME="rs_aix42"
520                         enable_pam="no"
521                         ;;
522                 power*-ibm-aix4.3*)
523                         AFS_SYSNAME="rs_aix42"
524                         enable_pam="no"
525                         ;;
526                 power*-ibm-aix5.1*)
527                         AFS_SYSNAME="rs_aix51"
528                         enable_pam="no"
529                         ;;
530                 power*-ibm-aix5.2*)
531                         AFS_SYSNAME="rs_aix52"
532                         enable_pam="no"
533                         ;;
534                 power*-ibm-aix5.3*)
535                         AFS_SYSNAME="rs_aix53"
536                         enable_pam="no"
537                         ;;
538                 x86_64-*-linux-gnu)
539                         AFS_SYSNAME="amd64_linuxXX"
540                         enable_pam="no"
541                         ;;
542                 *)
543                         AC_MSG_ERROR(An AFS sysname is required)
544                         exit 1
545                         ;;
546         esac
547         case $AFS_SYSNAME in
548                 *_linux* | *_umlinux*)
549                         if test "x${AFS_SYSKVERS}" = "x"; then
550                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
551                         fi
552                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
553                         AFS_SYSNAME="$_AFS_SYSNAME"
554                         save_CPPFLAGS="$CPPFLAGS"
555                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
556                         AC_TRY_COMPILE(
557                          [#include <linux/autoconf.h>],
558                          [#ifndef CONFIG_USERMODE
559                           #error not UML
560                           #endif],
561                          ac_cv_linux_is_uml=yes,)
562                         if test "${ac_cv_linux_is_uml}" = yes; then
563                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
564                         fi
565                         CPPFLAGS="$save_CPPFLAGS"
566                         AFS_SYSNAME="$_AFS_SYSNAME"
567                         ;;
568         esac
569         AC_MSG_RESULT($AFS_SYSNAME)
570 fi
571
572 case $AFS_SYSNAME in *_linux* | *_umlinux*)
573
574                 # Add (sub-) architecture-specific paths needed by conftests
575                 case $AFS_SYSNAME  in
576                         *_umlinux26)
577                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
578                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
579                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
580                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
581                 esac
582
583                 if test "x$enable_kernel_module" = "xyes"; then
584                  if test "x$enable_debug_kernel" = "xno"; then
585                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
586                  fi
587                  OPENAFS_GCC_SUPPORTS_MARCH
588                  AC_SUBST(P5PLUS_KOPTS)
589                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
590                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
591                  OPENAFS_GCC_SUPPORTS_NO_COMMON
592                  OPENAFS_GCC_SUPPORTS_PIPE
593                  AC_SUBST(LINUX_GCC_KOPTS)
594                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
595                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
596                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
597                  )
598
599                  LINUX_KERNEL_COMPILE_WORKS
600                  LINUX_HAVE_KMEM_CACHE_T
601                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
602                  LINUX_CONFIG_H_EXISTS
603                  LINUX_COMPLETION_H_EXISTS
604                  LINUX_EXPORTFS_H_EXISTS
605                  LINUX_DEFINES_FOR_EACH_PROCESS
606                  LINUX_DEFINES_PREV_TASK
607                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
608                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
609                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
610                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
611                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
612                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
613                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
614                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
615                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
616                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
617                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
618                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
619                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
620                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
621                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
622                  LINUX_INODE_SETATTR_RETURN_TYPE
623                  LINUX_WRITE_INODE_RETURN_TYPE
624                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
625                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
626                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
627                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
628                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
629                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
630                  LINUX_AOP_WRITEBACK_CONTROL
631                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
632                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
633                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
634                  LINUX_KERNEL_LINUX_SYSCALL_H
635                  LINUX_KERNEL_LINUX_SEQ_FILE_H
636                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
637                  LINUX_KERNEL_SELINUX
638                  LINUX_KERNEL_SOCK_CREATE
639                  LINUX_KERNEL_PAGE_FOLLOW_LINK
640                  LINUX_NEED_RHCONFIG
641                  LINUX_RECALC_SIGPENDING_ARG_TYPE
642                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
643                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
644                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
645                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
646                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
647                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
648                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
649                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
650                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
651                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
652                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
653                  LINUX_EXPORTS_TASKLIST_LOCK
654                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
655                  LINUX_STATFS_TAKES_DENTRY
656                  LINUX_FREEZER_H_EXISTS
657                  LINUX_HAVE_SVC_ADDR_IN
658                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
659                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
660                  fi
661                  LINUX_REFRIGERATOR
662                  LINUX_LINUX_KEYRING_SUPPORT
663                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
664                  LINUX_DO_SYNC_READ
665                  LINUX_GENERIC_FILE_AIO_READ
666                  LINUX_INIT_WORK_HAS_DATA
667                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
668                  LINUX_EXPORTS_SYS_CHDIR
669                  LINUX_EXPORTS_SYS_CLOSE
670                  LINUX_EXPORTS_SYS_OPEN
671                  LINUX_EXPORTS_SYS_WAIT4
672                  LINUX_WHICH_MODULES
673                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
674                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
675                    ac_cv_linux_exports_sys_call_table=no
676                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
677                      ac_cv_linux_exports_ia32_sys_call_table=yes
678                    fi
679                  else
680                    LINUX_EXPORTS_INIT_MM
681                    LINUX_EXPORTS_KALLSYMS_ADDRESS
682                    LINUX_EXPORTS_KALLSYMS_SYMBOL
683                    LINUX_EXPORTS_SYS_CALL_TABLE
684                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
685                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
686                          linux_syscall_method=none
687                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
688                             linux_syscall_method=scan
689                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
690                                linux_syscall_method=scan_with_kallsyms_address
691                             fi
692                          fi
693                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
694                             linux_syscall_method=kallsyms_symbol
695                          fi
696                          if test "x$linux_syscall_method" = "xnone"; then
697                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
698                             linux_syscall_method=scan
699                          fi
700                    fi
701                  fi
702                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
703                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
704                  fi
705                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
706                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
707                  fi
708                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
709                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
710                  fi
711                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
712                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
713                  fi
714                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
715                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
716                  fi
717                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
718                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
719                  fi
720                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
721                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
722                  fi
723                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
724                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
725                  fi
726                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
727                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
728                  fi
729                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
730                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
731                  fi
732                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
733                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
734                  fi
735                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
736                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
737                  fi
738                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
739                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
740                  fi
741                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
742                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
743                  fi
744                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
745                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
746                  fi
747                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
748                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
749                  fi
750                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
751                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
752                  fi
753                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
754                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
755                  fi
756                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
757                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
758                  fi
759                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
760                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
761                  fi
762                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then 
763                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
764                  fi
765                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then 
766                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
767                  fi
768                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then 
769                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
770                  fi
771                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then 
772                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
773                  fi
774                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
775                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
776                  fi
777                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then 
778                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
779                  fi
780                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then 
781                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
782                  fi
783                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then 
784                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
785                  fi
786                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
787                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
788                  fi
789                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then 
790                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
791                  fi
792                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then 
793                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
794                  fi
795                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then 
796                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
797                  fi
798                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
799                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
800                  fi
801                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
802                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
803                  fi
804                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
805                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
806                  fi
807                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
808                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
809                  fi
810                  if test "x$ac_linux_syscall" = "xyes" ; then
811                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
812                  fi
813                  if test "x$ac_linux_seq_file" = "xyes" ; then
814                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
815                  fi
816                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then 
817                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
818                  fi
819                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then 
820                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
821                  fi
822                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then 
823                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
824                  fi
825                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then 
826                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
827                  fi
828                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then 
829                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
830                  fi
831                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then 
832                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
833                  fi
834                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then 
835                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
836                  fi
837                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then 
838                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
839                  fi
840                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then 
841                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
842                  fi
843                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then 
844                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
845                  fi
846                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then 
847                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
848                  fi
849                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
850                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
851                  fi
852                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
853                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
854                  fi
855                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
856                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
857                  fi
858                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
859                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
860                  fi
861                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
862                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
863                  fi
864                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
865                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
866                  fi
867                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
868                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
869                  fi
870                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
871                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
872                  fi
873                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
874                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
875                  fi
876                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
877                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
878                  fi
879                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
880                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
881                  fi
882                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
883                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
884                  fi
885                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
886                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
887                  fi
888                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
889                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
890                  fi
891                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
892                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
893                  fi
894                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
895                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
896                  fi
897                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
898                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
899                  fi
900                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
901                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
902                  else
903                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
904                  fi
905                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
906                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
907                  fi
908                 :
909                 fi
910 esac
911
912 case $AFS_SYSNAME in
913         *_darwin*)
914                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
915                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
916                 dnl the test below fails on darwin, even if the CPPFLAGS below
917                 dnl are added. the headers from Kernel.framework must be used
918                 dnl when KERNEL is defined.
919
920                 dnl really, such a thing isn't guaranteed to work on any 
921                 dnl platform until the kernel cflags from MakefileProto are
922                 dnl known to configure
923                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
924                 ;;
925         *)
926 AC_MSG_CHECKING(for definition of struct buf)
927 dnl save_CPPFLAGS="$CPPFLAGS"
928 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
929 AC_CACHE_VAL(ac_cv_have_struct_buf, [
930         ac_cv_have_struct_buf=no
931         AC_TRY_COMPILE(
932                 [#include <sys/buf.h>],
933                 [struct buf x;
934                 printf("%d\n", sizeof(x));],
935                 ac_cv_have_struct_buf=yes,)
936         ]
937 )
938 dnl CPPFLAGS="$save_CPPFLAGS"
939 AC_MSG_RESULT($ac_cv_have_struct_buf)
940 if test "$ac_cv_have_struct_buf" = yes; then
941         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
942 fi
943 ;;
944 esac
945
946
947 AC_CACHE_VAL(ac_cv_sockaddr_len,
948 [
949 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
950 AC_TRY_COMPILE( [#include <sys/types.h>
951 #include <sys/socket.h>],
952 [struct sockaddr *a;
953 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
954 AC_MSG_RESULT($ac_cv_sockaddr_len)])
955 if test "$ac_cv_sockaddr_len" = "yes"; then
956    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
957 fi
958 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
959         echo Skipping library tests because they confuse Irix.
960 else
961   AC_CHECK_FUNCS(socket)
962
963   if test "$ac_cv_func_socket" = no; then
964     for lib in socket inet; do
965         if test "$HAVE_SOCKET" != 1; then
966                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
967         fi
968     done
969   fi
970   
971   AC_CHECK_FUNCS(connect)       
972
973   if test "$ac_cv_func_connect" = no; then
974     for lib in nsl; do
975         if test "$HAVE_CONNECT" != 1; then
976                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
977         fi
978     done
979   fi
980
981   AC_CHECK_FUNCS(gethostbyname)
982   if test "$ac_cv_func_gethostbyname" = no; then
983         for lib in dns nsl resolv; do
984           if test "$HAVE_GETHOSTBYNAME" != 1; then
985             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
986           fi
987         done    
988   fi    
989
990   dnl darwin wants it, aix hates it
991   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
992   AC_TRY_COMPILE([
993   #include <stdlib.h>
994   #include <stdio.h>
995   #include <sys/types.h>
996   #include <sys/socket.h>
997   #include <netinet/in.h>
998   #include <arpa/inet.h>
999   #include <arpa/nameser.h>
1000   #include <arpa/nameser_compat.h>
1001   #include <resolv.h>
1002   ], [static int i; i = 0;],
1003   [AC_MSG_RESULT(yes)
1004    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
1005   [AC_MSG_RESULT(no)
1006    ])
1007
1008   openafs_save_libs="$LIBS"
1009   AC_MSG_CHECKING([for res_search])
1010   AC_FUNC_RES_SEARCH
1011
1012   if test "$ac_cv_func_res_search" = no; then
1013       for lib in dns nsl resolv; do
1014         if test "$ac_cv_func_res_search" != yes; then
1015           LIBS="-l$lib $LIBS"
1016           AC_FUNC_RES_SEARCH
1017           LIBS="$openafs_save_libs"
1018         fi
1019       done    
1020       if test "$ac_cv_func_res_search" = yes; then
1021         LIB_res_search="-l$lib"       
1022         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1023         AC_MSG_RESULT([yes, in lib$lib])
1024       else
1025         AC_MSG_RESULT(no)
1026       fi
1027   else
1028     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1029     AC_MSG_RESULT(yes)
1030   fi
1031   
1032 fi
1033
1034 PTHREAD_LIBS=error
1035 if test "x$MKAFS_OSTYPE" = OBSD; then
1036         PTHREAD_LIBS="-pthread"
1037 fi
1038 if test "x$PTHREAD_LIBS" = xerror; then
1039         AC_CHECK_LIB(pthread, pthread_attr_init,
1040                 PTHREAD_LIBS="-lpthread")
1041 fi
1042 if test "x$PTHREAD_LIBS" = xerror; then
1043         AC_CHECK_LIB(pthreads, pthread_attr_init,
1044                 PTHREAD_LIBS="-lpthreads")
1045 fi
1046 if test "x$PTHREAD_LIBS" = xerror; then
1047         AC_CHECK_LIB(c_r, pthread_attr_init,
1048                 PTHREAD_LIBS="-lc_r")
1049 fi
1050 if test "x$PTHREAD_LIBS" = xerror; then
1051         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1052 fi
1053 if test "x$PTHREAD_LIBS" = xerror; then
1054         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1055         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1056                 PTHREAD_LIBS="-lpthread")
1057 fi
1058 if test "x$PTHREAD_LIBS" = xerror; then
1059         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1060 fi
1061 AC_SUBST(PTHREAD_LIBS)
1062
1063 WITH_OBSOLETE=NO
1064 if test "$enable_obsolete" = "yes"; then
1065         WITH_OBSOLETE=YES
1066 fi
1067
1068 HOST_CPU="$host_cpu"
1069
1070 if test "x$with_bsd_kernel_headers" != "x"; then
1071         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1072 else
1073         BSD_KERNEL_PATH="/usr/src/sys"
1074 fi
1075
1076 if test "x$with_bsd_kernel_build" != "x"; then
1077         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1078 else
1079         case $AFS_SYSNAME in
1080                 *_fbsd_4?)
1081                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1082                         ;;
1083                 *_fbsd_*)
1084                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1085                         ;;
1086         esac
1087 fi
1088
1089 # Fast restart
1090 if test "$enable_supergroups" = "yes"; then
1091         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1092 fi
1093
1094 if test "$enable_fast_restart" = "yes"; then
1095         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1096 fi
1097
1098 if test "$enable_bitmap_later" = "yes"; then
1099         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1100 fi
1101
1102 if test "$enable_demand_attach_fs" = "yes"; then
1103         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1104         DEMAND_ATTACH="yes"
1105 else
1106         DEMAND_ATTACH="no"
1107 fi
1108 AC_SUBST(DEMAND_ATTACH)
1109
1110 if test "$enable_unix_sockets" = "yes"; then
1111         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1112         USE_UNIX_SOCKETS="yes"
1113 else
1114         USE_UNIX_SOCKETS="no"
1115 fi
1116 AC_SUBST(USE_UNIX_SOCKETS)
1117
1118 if test "$enable_fast_restart" = "yes" &&
1119    test "$enable_demand_attach_fs" = "yes" ; then
1120         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1121         exit 1
1122 fi
1123
1124 if test "$enable_full_vos_listvol_switch" = "yes"; then
1125         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1126 fi
1127
1128 if test "$enable_bos_restricted_mode" = "yes"; then
1129         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1130 fi
1131
1132 if test "$enable_bos_new_config" = "yes"; then
1133         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1134 fi
1135
1136 if test "$enable_largefile_fileserver" = "yes"; then
1137         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1138 fi
1139
1140 if test "$enable_namei_fileserver" = "yes"; then
1141         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1142 fi
1143
1144 if test "$enable_afsdb" = "yes"; then
1145         LIB_AFSDB="$LIB_res_search"
1146         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1147 fi
1148
1149 dnl check for tivoli
1150 AC_MSG_CHECKING(for tivoli tsm butc support)
1151 XBSA_CFLAGS=""
1152 if test "$enable_tivoli_tsm" = "yes"; then
1153         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1154         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1155
1156         if test -r "$XBSADIR1/xbsa.h"; then
1157                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1158                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1159         elif test -r "$XBSADIR2/xbsa.h"; then
1160                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1161                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1162         else
1163                 AC_MSG_RESULT([no, missing xbsa.h header file])
1164         fi
1165 else
1166         AC_MSG_RESULT([no])
1167 fi
1168 AC_SUBST(XBSA_CFLAGS)
1169
1170 dnl checks for header files.
1171 AC_HEADER_STDC
1172 AC_HEADER_SYS_WAIT
1173 AC_HEADER_DIRENT
1174 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1175 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1176 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1177 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
1178 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1179 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1180
1181 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1182         HAVE_PAM="yes"
1183 else
1184         HAVE_PAM="no"
1185 fi
1186 AC_SUBST(HAVE_PAM)
1187
1188 if test "$enable_login" = yes; then
1189         BUILD_LOGIN="yes"
1190 else
1191         BUILD_LOGIN="no"
1192 fi
1193 AC_SUBST(BUILD_LOGIN)
1194
1195 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1196 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1197 AC_CHECK_FUNCS(setvbuf)
1198 AC_FUNC_SETVBUF_REVERSED
1199 AC_CHECK_FUNCS(regcomp regexec regerror)
1200 AC_MSG_CHECKING([for POSIX regex library])
1201 if test "$ac_cv_header_regex_h" = "yes" && \
1202         test "$ac_cv_func_regcomp" = "yes" && \
1203         test "$ac_cv_func_regexec" = "yes" && \
1204         test "$ac_cv_func_regerror" = "yes"; then
1205     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1206     AC_MSG_RESULT(yes)
1207 else
1208     AC_MSG_RESULT(no)
1209 fi
1210         
1211 AC_CHECK_TYPE(ssize_t, int)
1212 AC_SIZEOF_TYPE(long)
1213
1214 AC_MSG_CHECKING(size of time_t)
1215 AC_CACHE_VAL(ac_cv_sizeof_time_t,
1216 [AC_TRY_RUN([#include <stdio.h>
1217 #include <time.h>
1218 main()
1219 {
1220   FILE *f=fopen("conftestval", "w");
1221   if (!f) exit(1);
1222   fprintf(f, "%d\n", sizeof(time_t));
1223   exit(0);
1224 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
1225 ])
1226 AC_MSG_RESULT($ac_cv_sizeof_time_t)
1227 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
1228
1229 AC_CHECK_FUNCS(timegm)
1230 AC_CHECK_FUNCS(daemon)
1231
1232 dnl Directory PATH handling
1233 if test "x$enable_transarc_paths" = "xyes"  ; then 
1234     afsconfdir=${afsconfdir=/usr/afs/etc}
1235     viceetcdir=${viceetcdir=/usr/vice/etc}
1236     afskerneldir=${afskerneldir=${viceetcdir}}
1237     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1238     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1239     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1240     afsdbdir=${afsdbdir=/usr/afs/db}
1241     afslogsdir=${afslogsdir=/usr/afs/logs}
1242     afslocaldir=${afslocaldir=/usr/afs/local}
1243     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1244     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1245 else 
1246     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1247     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1248     afskerneldir=${afskerneldir='${libdir}/openafs'}
1249     afssrvbindir=${afssrvbindir='${bindir}'}
1250     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1251     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1252     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1253     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1254     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1255     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1256     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1257 fi
1258 AC_SUBST(afsconfdir)
1259 AC_SUBST(viceetcdir)
1260 AC_SUBST(afskerneldir)
1261 AC_SUBST(afssrvbindir)
1262 AC_SUBST(afssrvsbindir)
1263 AC_SUBST(afssrvlibexecdir)
1264 AC_SUBST(afsdbdir)
1265 AC_SUBST(afslogsdir)
1266 AC_SUBST(afslocaldir)
1267 AC_SUBST(afsbackupdir)
1268 AC_SUBST(afsbosconfigdir)
1269
1270 if test "x$enable_kernel_module" = "xyes"; then
1271 ENABLE_KERNEL_MODULE=libafs
1272 fi
1273
1274 AC_SUBST(AFS_SYSNAME)
1275 AC_SUBST(AFS_PARAM_COMMON)
1276 AC_SUBST(ENABLE_KERNEL_MODULE)
1277 AC_SUBST(LIB_AFSDB)
1278 AC_SUBST(LINUX_KERNEL_PATH)
1279 AC_SUBST(HOST_CPU)
1280 AC_SUBST(BSD_KERNEL_PATH)
1281 AC_SUBST(BSD_KERNEL_BUILD)
1282 AC_SUBST(LINUX_VERSION)
1283 AC_SUBST(MKAFS_OSTYPE)
1284 AC_SUBST(TOP_OBJDIR)
1285 AC_SUBST(TOP_SRCDIR)
1286 AC_SUBST(TOP_INCDIR)
1287 AC_SUBST(TOP_LIBDIR)
1288 AC_SUBST(DEST)
1289 AC_SUBST(WITH_OBSOLETE)
1290 AC_SUBST(DARWIN_INFOFILE)
1291 AC_SUBST(IRIX_BUILD_IP35)
1292
1293 OPENAFS_OSCONF
1294 OPENAFS_KRB5CONF
1295
1296 TOP_SRCDIR="${srcdir}/src"
1297 dnl
1298 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1299 dnl
1300 case $TOP_SRCDIR in
1301         /*)
1302                 ;;
1303         *)
1304                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1305                 ;;
1306 esac
1307
1308 TOP_OBJDIR="${SRCDIR_PARENT}"
1309 TOP_INCDIR="${SRCDIR_PARENT}/include"
1310 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1311 if test "${DEST}x" = "x"; then
1312         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1313 fi
1314
1315 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1316 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1317 AC_SUBST(HELPER_SPLINT)
1318 AC_SUBST(HELPER_SPLINTCFG)
1319
1320 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1321
1322 ])