linux-symlink-handling-avoid-crash-20070418
[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
13 AC_ARG_WITH(afs-sysname,
14 [  --with-afs-sysname=sys    use sys for the afs sysname]
15 )
16 AC_ARG_ENABLE( afsdb,
17 [  --disable-afsdb                      disable AFSDB DNS RR support],, enable_afsdb="yes")
18 AC_ARG_ENABLE( pam,
19 [  --disable-pam                        disable PAM support],, enable_pam="yes")
20 AC_ARG_ENABLE( bos-restricted-mode,
21 [  --enable-bos-restricted-mode         enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
22 AC_ARG_ENABLE( bos-new-config,
23 [  --enable-bos-new-config              enable bosserver pickup of BosConfig.new on restarts],, enable_bos_new_config="no")
24 AC_ARG_ENABLE( largefile-fileserver,
25 [  --disable-largefile-fileserver       disable large file support in fileserver],, enable_largefile_fileserver="yes")
26 AC_ARG_ENABLE( namei-fileserver,
27 [  --enable-namei-fileserver            force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
28 AC_ARG_ENABLE( supergroups,
29 [  --enable-supergroups                 enable support for nested pts groups],, enable_supergroups="no")
30 AC_ARG_ENABLE( fast-restart,
31 [  --enable-fast-restart                enable fast startup of file server without salvaging],, enable_fast_restart="no")
32 AC_ARG_ENABLE( bitmap-later,
33 [  --enable-bitmap-later                enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
34 AC_ARG_ENABLE( demand-attach-fs,
35 [  --enable-demand-attach-fs            enable Demand Attach Fileserver (please see documentation)],, enable_demand_attach_fs="no")
36 AC_ARG_ENABLE( unix-sockets,
37 [  --enable-unix-sockets                enable use of unix domain sockets for fssync],, enable_unix_sockets="yes")
38 AC_ARG_ENABLE( full-vos-listvol-switch,
39 [  --disable-full-vos-listvol-switch    disable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="yes")
40 AC_ARG_WITH(dux-kernel-headers,
41 [  --with-dux-kernel-headers=path       use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
42 )
43 AC_ARG_WITH(linux-kernel-headers,
44 [  --with-linux-kernel-headers=path     use the kernel headers found at path(optional, defaults to /usr/src/linux-2.4, then /usr/src/linux)]
45 )
46 AC_ARG_WITH(bsd-kernel-headers,
47 [  --with-bsd-kernel-headers=path       use the kernel headers found at path(optional, defaults to /usr/src/sys)]
48 )
49 AC_ARG_WITH(bsd-kernel-build,
50 [  --with-bsd-kernel-build=path         use the kernel build found at path(optional, defaults to KSRC/i386/compile/GENERIC)]
51 )
52 AC_ARG_ENABLE(kernel-module,
53 [  --disable-kernel-module              disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
54 )
55 AC_ARG_ENABLE(redhat-buildsys,
56 [  --enable-redhat-buildsys             enable compilation of the redhat build system kernel (defaults to disabled)],, enable_redhat_buildsys="no"
57 )
58 AC_ARG_ENABLE(transarc-paths,
59 [  --enable-transarc-paths                      Use Transarc style paths like /usr/afs and /usr/vice],, enable_transarc_paths="no"
60 )
61 AC_ARG_ENABLE(tivoli-tsm,
62 [  --enable-tivoli-tsm                  Enable use of the Tivoli TSM API libraries for butc support],, enable_tivoli_tsm="no"
63 )
64 AC_ARG_ENABLE(debug-kernel,
65 [  --enable-debug-kernel                enable compilation of the kernel module with debugging information (defaults to disabled)],, enable_debug_kernel="no"
66 )
67 AC_ARG_ENABLE(optimize-kernel,
68 [  --disable-optimize-kernel            disable compilation of the kernel module with optimization (defaults based on platform)],, enable_optimize_kernel="yes"
69 )
70 AC_ARG_ENABLE(debug,
71 [  --enable-debug                       enable compilation of the user space code with debugging information (defaults to disabled)],, enable_debug="no"
72 )
73 AC_ARG_ENABLE(optimize,
74 [  --disable-optimize                   disable optimization for compilation of the user space code (defaults to enabled)],, enable_optimize="yes"
75 )
76 AC_ARG_ENABLE(debug-lwp,
77 [  --enable-debug-lwp                   enable compilation of the LWP code with debugging information (defaults to disabled)],, enable_debug_lwp="no"
78 )
79 AC_ARG_ENABLE(optimize-lwp,
80 [  --disable-optimize-lwp               disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
81 )
82 AC_ARG_ENABLE(debug-pam,
83 [  --enable-debug-pam                   enable compilation of the PAM code with debugging information (defaults to disabled)],, enable_debug_pam="no"
84 )
85 AC_ARG_ENABLE(optimize-pam,
86 [  --disable-optimize-pam               disable optimization for compilation of the PAM code (defaults to enabled)],, enable_optimize_pam="yes"
87 )
88
89
90 enable_login="no"
91
92 dnl weird ass systems
93 AC_AIX
94 AC_ISC_POSIX
95 AC_MINIX
96
97 dnl Various compiler setup.
98 AC_TYPE_PID_T
99 AC_TYPE_SIZE_T
100 AC_TYPE_SIGNAL
101 COMPILER_HAS_FUNCTION_MACRO
102
103 dnl Checks for programs.
104 AC_PROG_INSTALL
105 AC_PROG_LN_S
106 AC_PROG_RANLIB
107 AC_PROG_YACC
108 AM_PROG_LEX
109
110 OPENAFS_CHECK_BIGENDIAN
111
112 AC_MSG_CHECKING(your OS)
113 system=$host
114 case $system in
115         *-linux*)
116
117                 MKAFS_OSTYPE=LINUX
118                 if test "x$enable_redhat_buildsys" = "xyes"; then
119                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
120                 fi
121                 if test "x$enable_kernel_module" = "xyes"; then
122                  if test "x$with_linux_kernel_headers" != "x"; then
123                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
124                  else
125                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
126                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
127                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
128                    fi
129                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
130                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
131                    fi
132                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
133                      LINUX_KERNEL_PATH="/usr/src/linux"
134                    fi
135                  fi
136                if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
137                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
138                  LINUX_VERSION="$linux_kvers"
139                else
140                  if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
141                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
142                   if test "x$linux_kvers" = "x"; then
143                     if test -f "$LINUX_KERNEL_PATH/include/linux/version-up.h"; then
144                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
145                       if test "x$linux_kvers" = "x"; then
146
147                         AC_MSG_ERROR(Linux headers lack version definition [2])
148                         exit 1
149                       else
150                         LINUX_VERSION="$linux_kvers"
151                       fi
152                     else
153                       AC_MSG_ERROR(Linux headers lack version definition)
154                       exit 1
155                     fi
156                   else
157                     LINUX_VERSION="$linux_kvers"
158                   fi
159                  else
160                     enable_kernel_module="no"
161                  fi
162                fi
163                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
164                      enable_kernel_module="no"
165                  fi
166                  if test "x$enable_kernel_module" = "xno"; then
167                   if test "x$with_linux_kernel_headers" != "x"; then
168                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
169                    exit 1
170                   else
171                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
172                   fi
173                  fi
174                  dnl do we need to determine SUBARCH from autoconf.h
175                  SUBARCH=default
176                 fi
177                 AC_MSG_RESULT(linux)
178                 if test "x$enable_kernel_module" = "xyes"; then
179                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
180                  if test "x${AFS_SYSKVERS}" = "x"; then
181                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
182                  fi
183                 fi
184                 ;;
185         *-solaris*)
186                 MKAFS_OSTYPE=SOLARIS
187                 AC_MSG_RESULT(sun4)
188                 SOLARIS_UFSVFS_HAS_DQRWLOCK
189                 SOLARIS_PROC_HAS_P_COREFILE
190                 SOLARIS_FS_HAS_FS_ROLLED
191                 ;;
192         *-sunos*)
193                 MKAFS_OSTYPE=SUNOS
194                 enable_kernel_module=no
195                 AC_MSG_RESULT(sun4)
196                 ;;
197         *-hpux*)
198                 MKAFS_OSTYPE=HPUX
199                 AC_MSG_RESULT(hp_ux)
200                 if test -f "/usr/old/usr/include/ndir.h"; then
201                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
202                 fi
203                 ;;
204         *-irix*)
205                 if test -d /usr/include/sys/SN/SN1; then
206                  IRIX_BUILD_IP35="IP35"
207                 fi
208                 MKAFS_OSTYPE=IRIX
209                 AC_MSG_RESULT(sgi)
210                 ;;
211         *-aix*)
212                 MKAFS_OSTYPE=AIX
213                 AC_MSG_RESULT(rs_aix)
214                 ;;
215         *-osf*)
216                 MKAFS_OSTYPE=DUX
217                 AC_MSG_RESULT(alpha_dux)
218                 ;;
219         powerpc-*-darwin*)
220                 MKAFS_OSTYPE=DARWIN
221                 AC_MSG_RESULT(ppc_darwin)
222                 ;;
223         i386-*-darwin*)
224                 MKAFS_OSTYPE=DARWIN
225                 AC_MSG_RESULT(x86_darwin)
226                 ;;
227         *-freebsd*)
228                 MKAFS_OSTYPE=FBSD
229                 AC_MSG_RESULT(i386_fbsd)
230                 ;;
231         *-netbsd*)
232                 MKAFS_OSTYPE=NBSD
233                 AC_MSG_RESULT(nbsd)
234                 ;;
235         *-openbsd*)
236                 MKAFS_OSTYPE=OBSD
237                 AC_MSG_RESULT(i386_obsd)
238                 ;;
239         *)
240                 AC_MSG_RESULT($system)
241                 ;;
242 esac
243
244 if test "x$with_afs_sysname" != "x"; then
245         AFS_SYSNAME="$with_afs_sysname"
246 else
247         AC_MSG_CHECKING(your AFS sysname)
248         case $host in
249                 i?86-*-openbsd?.?)
250                         v=${host#*openbsd}
251                         vM=${v%.*}
252                         vm=${v#*.}
253                         AFS_SYSNAME="i386_obsd${vM}${vm}"
254                         ;;
255                 sparc64-*-openbsd?.?)
256                         v=${host#*openbsd}
257                         vM=${v%.*}
258                         vm=${v#*.}
259                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
260                         ;;
261                 i?86-*-freebsd?.*)
262                         v=${host#*freebsd}
263                         vM=${v%.*}
264                         vm=${v#*.}
265                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
266                         ;;
267                 i?86-*-netbsd*1.5*)
268                         AFS_SYSNAME="i386_nbsd15"
269                         ;;
270                 alpha-*-netbsd*1.5*)
271                         AFS_SYSNAME="alpha_nbsd15"
272                         ;;
273                 i?86-*-netbsd*1.6[[M-Z]]*)
274                         AFS_SYSNAME="i386_nbsd20"
275                         ;;
276                 powerpc-*-netbsd*1.6[[M-Z]]*)
277                         AFS_SYSNAME="ppc_nbsd20"
278                         ;;
279                 i?86-*-netbsd*2.0*)
280                         AFS_SYSNAME="i386_nbsd20"
281                         ;;
282                 amd64-*-netbsd*2.0*)
283                         AFS_SYSNAME="amd64_nbsd20"
284                         ;;
285                 powerpc-*-netbsd*2.0*)
286                         AFS_SYSNAME="ppc_nbsd20"
287                         ;;
288                 i?86-*-netbsd*1.6*)
289                         AFS_SYSNAME="i386_nbsd16"
290                         ;;
291                 alpha-*-netbsd*1.6*)
292                         AFS_SYSNAME="alpha_nbsd16"
293                         ;;
294                 powerpc-*-netbsd*1.6*)
295                         AFS_SYSNAME="ppc_nbsd16"
296                         ;;
297                 i?86-*-netbsd*2.1*)
298                         AFS_SYSNAME="i386_nbsd21"
299                         ;;
300                 i?86-*-netbsd*2.99*)
301                         AFS_SYSNAME="i386_nbsd30"
302                         ;;
303                 i?86-*-netbsd*3.[[0-8]]*)
304                         AFS_SYSNAME="i386_nbsd30"
305                         ;;
306                 i?86-*-netbsd*3.99*)
307                         AFS_SYSNAME="i386_nbsd30"
308                         ;;
309                 i?86-*-netbsd*4.[[0-8]]*)
310                         AFS_SYSNAME="i386_nbsd40"
311                         ;;
312                 i?86-*-netbsd*4.99*)
313                         AFS_SYSNAME="i386_nbsd40"
314                         ;;
315                 hppa*-hp-hpux11.0*)
316                         AFS_SYSNAME="hp_ux110"
317                         ;;
318                 hppa*-hp-hpux11.11)
319                         AFS_SYSNAME="hp_ux11i"
320                         ;;
321                 ia64-hp-hpux11.22)
322                         AFS_SYSNAME="ia64_hpux1122"
323                         ;;
324                 ia64-hp-hpux*)
325                         AFS_SYSNAME="ia64_hpux1123"
326                         ;;
327                 hppa*-hp-hpux10*)
328                         AFS_SYSNAME="hp_ux102"
329                         ;;
330                 powerpc-apple-darwin1.2*)
331                         AFS_SYSNAME="ppc_darwin_12"
332                         ;;
333                 powerpc-apple-darwin1.3*)
334                         AFS_SYSNAME="ppc_darwin_13"
335                         ;;
336                 powerpc-apple-darwin1.4*)
337                         AFS_SYSNAME="ppc_darwin_14"
338                         ;;
339                 powerpc-apple-darwin5.1*)
340                         AFS_SYSNAME="ppc_darwin_14"
341                         ;;
342                 powerpc-apple-darwin5.2*)
343                         AFS_SYSNAME="ppc_darwin_14"
344                         ;;
345                 powerpc-apple-darwin5.3*)
346                         AFS_SYSNAME="ppc_darwin_14"
347                         ;;
348                 powerpc-apple-darwin5.4*)
349                         AFS_SYSNAME="ppc_darwin_14"
350                         ;;
351                 powerpc-apple-darwin5.5*)
352                         AFS_SYSNAME="ppc_darwin_14"
353                         ;;
354                 powerpc-apple-darwin6.0*)
355                         AFS_SYSNAME="ppc_darwin_60"
356                         ;;
357                 powerpc-apple-darwin6.1*)
358                         AFS_SYSNAME="ppc_darwin_60"
359                         ;;
360                 powerpc-apple-darwin6.2*)
361                         AFS_SYSNAME="ppc_darwin_60"
362                         ;;
363                 powerpc-apple-darwin6.3*)
364                         AFS_SYSNAME="ppc_darwin_60"
365                         ;;
366                 powerpc-apple-darwin6.4*)
367                         AFS_SYSNAME="ppc_darwin_60"
368                         ;;
369                 powerpc-apple-darwin6.5*)
370                         AFS_SYSNAME="ppc_darwin_60"
371                         ;;
372                 powerpc-apple-darwin7.0*)
373                         AFS_SYSNAME="ppc_darwin_70"
374                         ;;
375                 powerpc-apple-darwin7.1*)
376                         AFS_SYSNAME="ppc_darwin_70"
377                         ;;
378                 powerpc-apple-darwin7.2*)
379                         AFS_SYSNAME="ppc_darwin_70"
380                         ;;
381                 powerpc-apple-darwin7.3*)
382                         AFS_SYSNAME="ppc_darwin_70"
383                         ;;
384                 powerpc-apple-darwin7.4*)
385                         AFS_SYSNAME="ppc_darwin_70"
386                         ;;
387                 powerpc-apple-darwin7.5*)
388                         AFS_SYSNAME="ppc_darwin_70"
389                         ;;
390                 powerpc-apple-darwin8.0*)
391                         AFS_SYSNAME="ppc_darwin_80"
392                         ;;
393                 powerpc-apple-darwin8.*)
394                         AFS_SYSNAME="ppc_darwin_80"
395                         ;;
396                 i386-apple-darwin8.*)
397                         AFS_SYSNAME="x86_darwin_80"
398                         ;;
399                 powerpc-apple-darwin9.*)
400                         AFS_SYSNAME="ppc_darwin_90"
401                         ;;
402                 i386-apple-darwin9.*)
403                         AFS_SYSNAME="x86_darwin_90"
404                         ;;
405                 sparc-sun-solaris2.5*)
406                         AFS_SYSNAME="sun4x_55"
407                         enable_login="yes"
408                         ;;
409                 sparc-sun-solaris2.6)
410                         AFS_SYSNAME="sun4x_56"
411                         ;;
412                 sparc-sun-solaris2.7)
413                         AFS_SYSNAME="sun4x_57"
414                         ;;
415                 sparc-sun-solaris2.8)
416                         AFS_SYSNAME="sun4x_58"
417                         ;;
418                 sparc-sun-solaris2.9)
419                         AFS_SYSNAME="sun4x_59"
420                         ;;
421                 sparc-sun-solaris2.10)
422                         AFS_SYSNAME="sun4x_510"
423                         ;;
424                 sparc-sun-solaris2.11)
425                         AFS_SYSNAME="sun4x_511"
426                         ;;
427                 sparc-sun-sunos4*)
428                         AFS_SYSNAME="sun4_413"
429                         enable_login="yes"
430                         ;;
431                 i386-pc-solaris2.7)
432                         AFS_SYSNAME="sunx86_57"
433                         ;;
434                 i386-pc-solaris2.8)
435                         AFS_SYSNAME="sunx86_58"
436                         ;;
437                 i386-pc-solaris2.9)
438                         AFS_SYSNAME="sunx86_59"
439                         ;;
440                 i386-pc-solaris2.10)
441                         AFS_SYSNAME="sunx86_510"
442                         ;;
443                 i386-pc-solaris2.11)
444                         AFS_SYSNAME="sunx86_511"
445                         ;;
446                 alpha*-dec-osf4.0*)
447                         AFS_SYSNAME="alpha_dux40"
448                         ;;
449                 alpha*-dec-osf5.0*)
450                         AFS_SYSNAME="alpha_dux50"
451                         ;;
452                 alpha*-dec-osf5.1*)
453                         AFS_SYSNAME="alpha_dux51"
454                         ;;
455                 mips-sgi-irix6.5)
456                         AFS_SYSNAME="sgi_65"
457                         ;;
458                 ia64-*-linux*)
459                         AFS_SYSNAME="ia64_linuxXX"
460                         ;;
461                 powerpc-*-linux*)
462                         AFS_SYSNAME="`/bin/arch`_linuxXX"
463                         ;;
464                 powerpc64-*-linux*)
465                         AFS_SYSNAME="ppc64_linuxXX"
466                         ;;
467                 alpha*-linux*)
468                         AFS_SYSNAME="alpha_linux_XX"
469                         ;;
470                 s390-*-linux*)
471                         AFS_SYSNAME="s390_linuxXX"
472                         ;;
473                 s390x-*-linux*)
474                         AFS_SYSNAME="s390x_linuxXX"
475                         ;;
476                 sparc-*-linux*)
477                         AFS_SYSNAME="sparc_linuxXX"
478                         ;;
479                 sparc64-*-linux*)
480                         AFS_SYSNAME="sparc64_linuxXX"
481                         ;;
482                 i?86-*-linux*)
483                         AFS_SYSNAME="i386_linuxXX"
484                         ;;
485                 parisc-*-linux-gnu|hppa-*-linux-gnu)
486                         AFS_SYSNAME="parisc_linuxXX"
487                         enable_pam="no"
488                         ;;
489                 power*-ibm-aix4.2*)
490                         AFS_SYSNAME="rs_aix42"
491                         enable_pam="no"
492                         ;;
493                 power*-ibm-aix4.3*)
494                         AFS_SYSNAME="rs_aix42"
495                         enable_pam="no"
496                         ;;
497                 power*-ibm-aix5.1*)
498                         AFS_SYSNAME="rs_aix51"
499                         enable_pam="no"
500                         ;;
501                 power*-ibm-aix5.2*)
502                         AFS_SYSNAME="rs_aix52"
503                         enable_pam="no"
504                         ;;
505                 power*-ibm-aix5.3*)
506                         AFS_SYSNAME="rs_aix53"
507                         enable_pam="no"
508                         ;;
509                 x86_64-*-linux-gnu)
510                         AFS_SYSNAME="amd64_linuxXX"
511                         enable_pam="no"
512                         ;;
513                 *)
514                         AC_MSG_ERROR(An AFS sysname is required)
515                         exit 1
516                         ;;
517         esac
518         case $AFS_SYSNAME in
519                 *_linux* | *_umlinux*)
520                         if test "x${AFS_SYSKVERS}" = "x"; then
521                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
522                         fi
523                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
524                         AFS_SYSNAME="$_AFS_SYSNAME"
525                         save_CPPFLAGS="$CPPFLAGS"
526                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
527                         AC_TRY_COMPILE(
528                          [#include <linux/autoconf.h>],
529                          [#ifndef CONFIG_USERMODE
530                           #error not UML
531                           #endif],
532                          ac_cv_linux_is_uml=yes,)
533                         if test "${ac_cv_linux_is_uml}" = yes; then
534                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
535                         fi
536                         CPPFLAGS="$save_CPPFLAGS"
537                         AFS_SYSNAME="$_AFS_SYSNAME"
538                         ;;
539         esac
540         AC_MSG_RESULT($AFS_SYSNAME)
541 fi
542
543 dnl Some hosts have a separate common param file they should include.  Figure
544 dnl out if we're on one of them now that we know the sysname.
545 case $AFS_SYSNAME in
546     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
547     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
548     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
549     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
550     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
551     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
552     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
553     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
554     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
555 esac
556
557 case $AFS_SYSNAME in *_linux* | *_umlinux*)
558
559                 # Add (sub-) architecture-specific paths needed by conftests
560                 case $AFS_SYSNAME  in
561                         *_umlinux26)
562                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
563                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
564                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
565                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
566                 esac
567
568                 if test "x$enable_kernel_module" = "xyes"; then
569                  if test "x$enable_debug_kernel" = "xno"; then
570                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
571                  fi
572                  OPENAFS_GCC_SUPPORTS_MARCH
573                  AC_SUBST(P5PLUS_KOPTS)
574                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
575                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
576                  OPENAFS_GCC_SUPPORTS_NO_COMMON
577                  OPENAFS_GCC_SUPPORTS_PIPE
578                  AC_SUBST(LINUX_GCC_KOPTS)
579                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
580                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
581                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
582                  )
583
584                  LINUX_KERNEL_COMPILE_WORKS
585                  LINUX_CONFIG_H_EXISTS
586                  LINUX_COMPLETION_H_EXISTS
587                  LINUX_DEFINES_FOR_EACH_PROCESS
588                  LINUX_DEFINES_PREV_TASK
589                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
590                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
591                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
592                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
593                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
594                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
595                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
596                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
597                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
598                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
599                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
600                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
601                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
602                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
603                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
604                  LINUX_INODE_SETATTR_RETURN_TYPE
605                  LINUX_WRITE_INODE_RETURN_TYPE
606                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
607                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
608                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
609                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
610                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
611                  LINUX_AOP_WRITEBACK_CONTROL
612                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
613                  LINUX_KERNEL_LINUX_SYSCALL_H
614                  LINUX_KERNEL_LINUX_SEQ_FILE_H
615                  LINUX_KERNEL_SELINUX
616                  LINUX_KERNEL_SOCK_CREATE
617                  LINUX_KERNEL_PAGE_FOLLOW_LINK
618                  LINUX_NEED_RHCONFIG
619                  LINUX_RECALC_SIGPENDING_ARG_TYPE
620                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
621                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
622                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
623                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
624                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
625                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
626                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
627                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
628                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
629                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
630                  LINUX_EXPORTS_TASKLIST_LOCK
631                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
632                  LINUX_STATFS_TAKES_DENTRY
633                  LINUX_FREEZER_H_EXISTS
634                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
635                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
636                  fi
637                  LINUX_REFRIGERATOR
638                  LINUX_LINUX_KEYRING_SUPPORT
639                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
640                  LINUX_DO_SYNC_READ
641                  LINUX_GENERIC_FILE_AIO_READ
642                  LINUX_INIT_WORK_HAS_DATA
643                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
644                  LINUX_EXPORTS_SYS_CHDIR
645                  LINUX_EXPORTS_SYS_CLOSE
646                  LINUX_EXPORTS_SYS_OPEN
647                  LINUX_EXPORTS_SYS_WAIT4
648                  LINUX_WHICH_MODULES
649                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
650                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
651                    ac_cv_linux_exports_sys_call_table=no
652                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
653                      ac_cv_linux_exports_ia32_sys_call_table=yes
654                    fi
655                  else
656                    LINUX_EXPORTS_INIT_MM
657                    LINUX_EXPORTS_KALLSYMS_ADDRESS
658                    LINUX_EXPORTS_KALLSYMS_SYMBOL
659                    LINUX_EXPORTS_SYS_CALL_TABLE
660                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
661                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
662                          linux_syscall_method=none
663                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
664                             linux_syscall_method=scan
665                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
666                                linux_syscall_method=scan_with_kallsyms_address
667                             fi
668                          fi
669                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
670                             linux_syscall_method=kallsyms_symbol
671                          fi
672                          if test "x$linux_syscall_method" = "xnone"; then
673                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
674                             linux_syscall_method=scan
675                          fi
676                    fi
677                  fi
678                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
679                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
680                  fi
681                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
682                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
683                  fi
684                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
685                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
686                  fi
687                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
688                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
689                  fi
690                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
691                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
692                  fi
693                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
694                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
695                  fi
696                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
697                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
698                  fi
699                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
700                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
701                  fi
702                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
703                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
704                  fi
705                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
706                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
707                  fi
708                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
709                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
710                  fi
711                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
712                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
713                  fi
714                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
715                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
716                  fi
717                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
718                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
719                  fi
720                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
721                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
722                  fi
723                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
724                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
725                  fi
726                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
727                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
728                  fi
729                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
730                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
731                  fi
732                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
733                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
734                  fi
735                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then 
736                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
737                  fi
738                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then 
739                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
740                  fi
741                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then 
742                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
743                  fi
744                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then 
745                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
746                  fi
747                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
748                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
749                  fi
750                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then 
751                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
752                  fi
753                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then 
754                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
755                  fi
756                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then 
757                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
758                  fi
759                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
760                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
761                  fi
762                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then 
763                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
764                  fi
765                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then 
766                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
767                  fi
768                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then 
769                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
770                  fi
771                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
772                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
773                  fi
774                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
775                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
776                  fi
777                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
778                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
779                  fi
780                  if test "x$ac_linux_syscall" = "xyes" ; then
781                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
782                  fi
783                  if test "x$ac_linux_seq_file" = "xyes" ; then
784                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
785                  fi
786                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then 
787                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
788                  fi
789                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then 
790                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
791                  fi
792                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then 
793                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
794                  fi
795                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then 
796                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
797                  fi
798                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then 
799                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
800                  fi
801                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then 
802                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
803                  fi
804                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then 
805                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
806                  fi
807                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then 
808                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
809                  fi
810                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then 
811                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
812                  fi
813                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then 
814                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
815                  fi
816                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
817                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
818                  fi
819                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
820                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
821                  fi
822                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
823                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
824                  fi
825                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
826                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
827                  fi
828                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
829                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
830                  fi
831                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
832                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
833                  fi
834                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
835                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
836                  fi
837                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
838                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
839                  fi
840                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
841                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
842                  fi
843                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
844                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
845                  fi
846                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
847                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
848                  fi
849                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
850                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
851                  fi
852                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
853                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
854                  else
855                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
856                  fi
857                 :
858                 fi
859 esac
860
861 case $AFS_SYSNAME in
862         *_darwin*)
863                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
864                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
865                 dnl the test below fails on darwin, even if the CPPFLAGS below
866                 dnl are added. the headers from Kernel.framework must be used
867                 dnl when KERNEL is defined.
868
869                 dnl really, such a thing isn't guaranteed to work on any 
870                 dnl platform until the kernel cflags from MakefileProto are
871                 dnl known to configure
872                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
873                 ;;
874         *)
875 AC_MSG_CHECKING(for definition of struct buf)
876 dnl save_CPPFLAGS="$CPPFLAGS"
877 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
878 AC_CACHE_VAL(ac_cv_have_struct_buf, [
879         ac_cv_have_struct_buf=no
880         AC_TRY_COMPILE(
881                 [#include <sys/buf.h>],
882                 [struct buf x;
883                 printf("%d\n", sizeof(x));],
884                 ac_cv_have_struct_buf=yes,)
885         ]
886 )
887 dnl CPPFLAGS="$save_CPPFLAGS"
888 AC_MSG_RESULT($ac_cv_have_struct_buf)
889 if test "$ac_cv_have_struct_buf" = yes; then
890         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
891 fi
892 ;;
893 esac
894
895
896 AC_CACHE_VAL(ac_cv_sockaddr_len,
897 [
898 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
899 AC_TRY_COMPILE( [#include <sys/types.h>
900 #include <sys/socket.h>],
901 [struct sockaddr *a;
902 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
903 AC_MSG_RESULT($ac_cv_sockaddr_len)])
904 if test "$ac_cv_sockaddr_len" = "yes"; then
905    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
906 fi
907 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
908         echo Skipping library tests because they confuse Irix.
909 else
910   AC_CHECK_FUNCS(socket)
911
912   if test "$ac_cv_func_socket" = no; then
913     for lib in socket inet; do
914         if test "$HAVE_SOCKET" != 1; then
915                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
916         fi
917     done
918   fi
919   
920   AC_CHECK_FUNCS(connect)       
921
922   if test "$ac_cv_func_connect" = no; then
923     for lib in nsl; do
924         if test "$HAVE_CONNECT" != 1; then
925                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
926         fi
927     done
928   fi
929
930   AC_CHECK_FUNCS(gethostbyname)
931   if test "$ac_cv_func_gethostbyname" = no; then
932         for lib in dns nsl resolv; do
933           if test "$HAVE_GETHOSTBYNAME" != 1; then
934             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
935           fi
936         done    
937   fi    
938
939   dnl darwin wants it, aix hates it
940   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
941   AC_TRY_COMPILE([
942   #include <stdlib.h>
943   #include <stdio.h>
944   #include <sys/types.h>
945   #include <sys/socket.h>
946   #include <netinet/in.h>
947   #include <arpa/inet.h>
948   #include <arpa/nameser.h>
949   #include <arpa/nameser_compat.h>
950   #include <resolv.h>
951   ], [static int i; i = 0;],
952   [AC_MSG_RESULT(yes)
953    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
954   [AC_MSG_RESULT(no)
955    ])
956
957   openafs_save_libs="$LIBS"
958   AC_MSG_CHECKING([for res_search])
959   AC_FUNC_RES_SEARCH
960
961   if test "$ac_cv_func_res_search" = no; then
962       for lib in dns nsl resolv; do
963         if test "$ac_cv_func_res_search" != yes; then
964           LIBS="-l$lib $LIBS"
965           AC_FUNC_RES_SEARCH
966           LIBS="$openafs_save_libs"
967         fi
968       done    
969       if test "$ac_cv_func_res_search" = yes; then
970         LIB_res_search="-l$lib"       
971         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
972         AC_MSG_RESULT([yes, in lib$lib])
973       else
974         AC_MSG_RESULT(no)
975       fi
976   else
977     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
978     AC_MSG_RESULT(yes)
979   fi
980   
981 fi
982
983 PTHREAD_LIBS=error
984 if test "x$MKAFS_OSTYPE" = OBSD; then
985         PTHREAD_LIBS="-pthread"
986 fi
987 if test "x$PTHREAD_LIBS" = xerror; then
988         AC_CHECK_LIB(pthread, pthread_attr_init,
989                 PTHREAD_LIBS="-lpthread")
990 fi
991 if test "x$PTHREAD_LIBS" = xerror; then
992         AC_CHECK_LIB(pthreads, pthread_attr_init,
993                 PTHREAD_LIBS="-lpthreads")
994 fi
995 if test "x$PTHREAD_LIBS" = xerror; then
996         AC_CHECK_LIB(c_r, pthread_attr_init,
997                 PTHREAD_LIBS="-lc_r")
998 fi
999 if test "x$PTHREAD_LIBS" = xerror; then
1000         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1001 fi
1002 if test "x$PTHREAD_LIBS" = xerror; then
1003         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1004         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1005                 PTHREAD_LIBS="-lpthread")
1006 fi
1007 if test "x$PTHREAD_LIBS" = xerror; then
1008         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1009 fi
1010 AC_SUBST(PTHREAD_LIBS)
1011
1012 HOST_CPU="$host_cpu"
1013
1014 if test "x$with_bsd_kernel_headers" != "x"; then
1015         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1016 else
1017         BSD_KERNEL_PATH="/usr/src/sys"
1018 fi
1019
1020 if test "x$with_bsd_kernel_build" != "x"; then
1021         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1022 else
1023         case $AFS_SYSNAME in
1024                 *_fbsd_4?)
1025                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1026                         ;;
1027                 *_fbsd_*)
1028                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1029                         ;;
1030         esac
1031 fi
1032
1033 # Fast restart
1034 if test "$enable_supergroups" = "yes"; then
1035         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1036 fi
1037
1038 if test "$enable_fast_restart" = "yes"; then
1039         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1040 fi
1041
1042 if test "$enable_bitmap_later" = "yes"; then
1043         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1044 fi
1045
1046 if test "$enable_demand_attach_fs" = "yes"; then
1047         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1048         DEMAND_ATTACH="yes"
1049 else
1050         DEMAND_ATTACH="no"
1051 fi
1052 AC_SUBST(DEMAND_ATTACH)
1053
1054 if test "$enable_unix_sockets" = "yes"; then
1055         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1056         USE_UNIX_SOCKETS="yes"
1057 else
1058         USE_UNIX_SOCKETS="no"
1059 fi
1060 AC_SUBST(USE_UNIX_SOCKETS)
1061
1062 if test "$enable_fast_restart" = "yes" &&
1063    test "$enable_demand_attach_fs" = "yes" ; then
1064         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1065         exit 1
1066 fi
1067
1068 if test "$enable_full_vos_listvol_switch" = "yes"; then
1069         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1070 fi
1071
1072 if test "$enable_bos_restricted_mode" = "yes"; then
1073         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1074 fi
1075
1076 if test "$enable_bos_new_config" = "yes"; then
1077         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1078 fi
1079
1080 if test "$enable_largefile_fileserver" = "yes"; then
1081         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1082 fi
1083
1084 if test "$enable_namei_fileserver" = "yes"; then
1085         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1086 fi
1087
1088 if test "$enable_afsdb" = "yes"; then
1089         LIB_AFSDB="$LIB_res_search"
1090         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1091 fi
1092
1093 dnl check for tivoli
1094 AC_MSG_CHECKING(for tivoli tsm butc support)
1095 XBSA_CFLAGS=""
1096 if test "$enable_tivoli_tsm" = "yes"; then
1097         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1098         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1099
1100         if test -r "$XBSADIR1/xbsa.h"; then
1101                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1102                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1103         elif test -r "$XBSADIR2/xbsa.h"; then
1104                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1105                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1106         else
1107                 AC_MSG_RESULT([no, missing xbsa.h header file])
1108         fi
1109 else
1110         AC_MSG_RESULT([no])
1111 fi
1112 AC_SUBST(XBSA_CFLAGS)
1113
1114 dnl checks for header files.
1115 AC_HEADER_STDC
1116 AC_HEADER_SYS_WAIT
1117 AC_HEADER_DIRENT
1118 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h)
1119 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1120 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1121 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
1122 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1123 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1124
1125 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1126 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1127         case $AFS_SYSNAME in
1128         sgi_*)
1129                 HAVE_PAM="no"
1130                 ;;
1131         *)
1132                 HAVE_PAM="yes"
1133                 ;;
1134         esac
1135 else
1136         HAVE_PAM="no"
1137 fi
1138 AC_SUBST(HAVE_PAM)
1139
1140 if test "$enable_login" = yes; then
1141         BUILD_LOGIN="yes"
1142 else
1143         BUILD_LOGIN="no"
1144 fi
1145 AC_SUBST(BUILD_LOGIN)
1146
1147 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1148 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1149 AC_CHECK_FUNCS(setvbuf)
1150 AC_FUNC_SETVBUF_REVERSED
1151 AC_CHECK_FUNCS(regcomp regexec regerror)
1152 AC_MSG_CHECKING([for POSIX regex library])
1153 if test "$ac_cv_header_regex_h" = "yes" && \
1154         test "$ac_cv_func_regcomp" = "yes" && \
1155         test "$ac_cv_func_regexec" = "yes" && \
1156         test "$ac_cv_func_regerror" = "yes"; then
1157     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1158     AC_MSG_RESULT(yes)
1159 else
1160     AC_MSG_RESULT(no)
1161 fi
1162
1163 AC_TYPE_SIGNAL
1164 AC_CHECK_TYPE(ssize_t, int)
1165 AC_CHECK_TYPE([sig_atomic_t], ,
1166     [AC_DEFINE([sig_atomic_t], [int],
1167         [Define to int if <signal.h> does not define.])],
1168 [#include <sys/types.h>
1169 #include <signal.h>])
1170 AC_SIZEOF_TYPE(long)
1171
1172 AC_MSG_CHECKING(size of time_t)
1173 AC_CACHE_VAL(ac_cv_sizeof_time_t,
1174 [AC_TRY_RUN([#include <stdio.h>
1175 #include <time.h>
1176 main()
1177 {
1178   FILE *f=fopen("conftestval", "w");
1179   if (!f) exit(1);
1180   fprintf(f, "%d\n", sizeof(time_t));
1181   exit(0);
1182 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
1183 ])
1184 AC_MSG_RESULT($ac_cv_sizeof_time_t)
1185 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
1186
1187 AC_CHECK_FUNCS(timegm)
1188 AC_CHECK_FUNCS(daemon)
1189
1190 dnl Directory PATH handling
1191 if test "x$enable_transarc_paths" = "xyes"  ; then 
1192     afsconfdir=${afsconfdir=/usr/afs/etc}
1193     viceetcdir=${viceetcdir=/usr/vice/etc}
1194     afskerneldir=${afskerneldir=${viceetcdir}}
1195     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1196     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1197     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1198     afsdbdir=${afsdbdir=/usr/afs/db}
1199     afslogsdir=${afslogsdir=/usr/afs/logs}
1200     afslocaldir=${afslocaldir=/usr/afs/local}
1201     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1202     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1203 else 
1204     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1205     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1206     afskerneldir=${afskerneldir='${libdir}/openafs'}
1207     afssrvbindir=${afssrvbindir='${bindir}'}
1208     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1209     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1210     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1211     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1212     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1213     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1214     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1215 fi
1216 AC_SUBST(afsconfdir)
1217 AC_SUBST(viceetcdir)
1218 AC_SUBST(afskerneldir)
1219 AC_SUBST(afssrvbindir)
1220 AC_SUBST(afssrvsbindir)
1221 AC_SUBST(afssrvlibexecdir)
1222 AC_SUBST(afsdbdir)
1223 AC_SUBST(afslogsdir)
1224 AC_SUBST(afslocaldir)
1225 AC_SUBST(afsbackupdir)
1226 AC_SUBST(afsbosconfigdir)
1227
1228 if test "x$enable_kernel_module" = "xyes"; then
1229 ENABLE_KERNEL_MODULE=libafs
1230 fi
1231
1232 AC_SUBST(AFS_SYSNAME)
1233 AC_SUBST(AFS_PARAM_COMMON)
1234 AC_SUBST(ENABLE_KERNEL_MODULE)
1235 AC_SUBST(LIB_AFSDB)
1236 AC_SUBST(LINUX_KERNEL_PATH)
1237 AC_SUBST(HOST_CPU)
1238 AC_SUBST(BSD_KERNEL_PATH)
1239 AC_SUBST(BSD_KERNEL_BUILD)
1240 AC_SUBST(LINUX_VERSION)
1241 AC_SUBST(MKAFS_OSTYPE)
1242 AC_SUBST(TOP_OBJDIR)
1243 AC_SUBST(TOP_SRCDIR)
1244 AC_SUBST(TOP_INCDIR)
1245 AC_SUBST(TOP_LIBDIR)
1246 AC_SUBST(DEST)
1247 AC_SUBST(DARWIN_INFOFILE)
1248 AC_SUBST(IRIX_BUILD_IP35)
1249
1250 OPENAFS_OSCONF
1251 OPENAFS_KRB5CONF
1252
1253 TOP_SRCDIR="${srcdir}/src"
1254 dnl
1255 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1256 dnl
1257 case $TOP_SRCDIR in
1258         /*)
1259                 ;;
1260         *)
1261                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1262                 ;;
1263 esac
1264
1265 TOP_OBJDIR="${SRCDIR_PARENT}"
1266 TOP_INCDIR="${SRCDIR_PARENT}/include"
1267 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1268 if test "${DEST}x" = "x"; then
1269         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1270 fi
1271
1272 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1273 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1274 AC_SUBST(HELPER_SPLINT)
1275 AC_SUBST(HELPER_SPLINTCFG)
1276
1277 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1278
1279 ])