Linux 4.9: deal with demise of GROUP_AT
[openafs.git] / acinclude.m4
1 dnl This file contains the common configuration code which would
2 dnl otherwise be duplicated between configure and configure-libafs.
3 dnl
4 dnl NB: Because this code is a macro, references to positional shell
5 dnl parameters must be done like $[]1 instead of $1
6
7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
8 AH_BOTTOM([
9 #undef HAVE_RES_SEARCH
10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
12 # if ENDIANESS_IN_SYS_PARAM_H
13 #  ifndef KERNEL
14 #   include <sys/types.h>
15 #   include <sys/param.h>
16 #   if BYTE_ORDER == BIG_ENDIAN
17 #    define WORDS_BIGENDIAN 1
18 #   endif
19 #  else
20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
21 #    define WORDS_BIGENDIAN 1
22 #   else
23 #    undef WORDS_BIGENDIAN
24 #   endif
25 #  endif
26 # else
27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
28 #   define WORDS_BIGENDIAN 1
29 #  else
30 #   undef WORDS_BIGENDIAN
31 #  endif
32 # endif
33 #else
34 # if defined(__BIG_ENDIAN__)
35 #  define WORDS_BIGENDIAN 1
36 # else
37 #  undef WORDS_BIGENDIAN
38 # endif
39 #endif
40 #ifdef UKERNEL
41 /*
42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
43  * play nice with some other interfaces like FUSE. We technically only would
44  * need to define this when building for such interfaces, but set it always to
45  * try and reduce potential confusion. 
46  */
47 # define _FILE_OFFSET_BITS 64
48 # define AFS_CACHE_VNODE_PATH
49 #endif
50
51 #undef AFS_NAMEI_ENV
52 #undef BITMAP_LATER
53 #undef FAST_RESTART
54 #undef DEFINED_FOR_EACH_PROCESS
55 #undef DEFINED_PREV_TASK
56 #undef EXPORTED_SYS_CALL_TABLE
57 #undef EXPORTED_IA32_SYS_CALL_TABLE
58 #undef IRIX_HAS_MEM_FUNCS
59 #undef RECALC_SIGPENDING_TAKES_VOID
60 #undef STRUCT_FS_HAS_FS_ROLLED
61 #undef ssize_t
62 /* glue for RedHat kernel bug */
63 #undef ENABLE_REDHAT_BUILDSYS
64 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
65 # include "redhat-fix.h"
66 #endif])
67
68 AC_CANONICAL_HOST
69 SRCDIR_PARENT=`pwd`
70
71 #BOZO_SAVE_CORES pam
72
73 dnl System identity.
74 AC_ARG_WITH([afs-sysname],
75     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])
76 ])
77
78 dnl General feature options.
79 AC_ARG_ENABLE([namei-fileserver],
80     [AS_HELP_STRING([--enable-namei-fileserver],
81         [force compilation of namei fileserver in preference to inode
82          fileserver])],
83     [],
84     [enable_namei_fileserver="default"])
85 AC_ARG_ENABLE([supergroups],
86     [AS_HELP_STRING([--enable-supergroups],
87         [enable support for nested pts groups])],
88     [],
89     [enable_supergroups="no"])
90 AC_ARG_ENABLE([bitmap-later],
91     [AS_HELP_STRING([--enable-bitmap-later],
92         [enable fast startup of file server by not reading bitmap till
93          needed])],
94     [AS_IF([test x"$withval" = xyes],
95         [AC_MSG_WARN([bitmap-later is only used by non-demand-attach
96             fileservers.  Please migrate to demand-attach instead.])])],
97     [enable_bitmap_later="no"])
98 AC_ARG_ENABLE([unix-sockets],
99     [AS_HELP_STRING([--disable-unix-sockets],
100         [disable use of unix domain sockets for fssync (defaults to enabled)])],
101     [],
102     [enable_unix_sockets="yes"])
103 AC_ARG_ENABLE([tivoli-tsm],
104     [AS_HELP_STRING([--enable-tivoli-tsm],
105         [enable use of the Tivoli TSM API libraries for butc support])],
106     [],
107     [enable_tivoli_tsm="no"])
108 AC_ARG_ENABLE([pthreaded-ubik],
109     [AS_HELP_STRING([--disable-pthreaded-ubik],
110         [disable installation of pthreaded ubik applications (defaults to
111          enabled)])],
112     [],
113     [enable_pthreaded_ubik="yes"])
114 AC_ARG_ENABLE([ubik-read-while-write],
115     [AS_HELP_STRING([--enable-ubik-read-while-write],
116         [enable vlserver read from db cache during write locks (EXPERIMENTAL)])],
117     [],
118     [enable_ubik_read_while_write="no"])
119
120 dnl Kernel module build options.
121 AC_ARG_WITH([linux-kernel-headers],
122     [AS_HELP_STRING([--with-linux-kernel-headers=path],
123         [use the kernel headers found at path (optional, defaults to
124          /lib/modules/`uname -r`/build, then /lib/modules/`uname -r`/source,
125          then /usr/src/linux-2.4, and lastly /usr/src/linux)])
126 ])
127 AC_ARG_WITH([linux-kernel-build],
128     [AS_HELP_STRING([--with-linux-kernel-build=path],
129         [use the kernel build found at path(optional, defaults to
130         kernel headers path)]
131 )])
132 AC_ARG_WITH([bsd-kernel-headers],
133     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
134         [use the kernel headers found at path (optional, defaults to
135          /usr/src/sys)])
136 ])
137 AC_ARG_WITH([bsd-kernel-build],
138     [AS_HELP_STRING([--with-bsd-kernel-build=path],
139         [use the kernel build found at path (optional, defaults to
140          KSRC/i386/compile/GENERIC)])
141 ])
142 AC_ARG_WITH([linux-kernel-packaging],
143     [AS_HELP_STRING([--with-linux-kernel-packaging],
144         [use standard naming conventions to aid Linux kernel build packaging
145          (disables MPS, sets the kernel module name to openafs.ko, and
146          installs kernel modules into the standard Linux location)])],
147     [AC_SUBST([LINUX_KERNEL_PACKAGING], [yes])
148      AC_SUBST([LINUX_LIBAFS_NAME], [openafs])],
149     [AC_SUBST([LINUX_LIBAFS_NAME], [libafs])
150 ])
151 AC_ARG_ENABLE([kernel-module],
152     [AS_HELP_STRING([--disable-kernel-module],
153         [disable compilation of the kernel module (defaults to enabled)])],
154     [],
155     [enable_kernel_module="yes"])
156 AC_ARG_ENABLE([redhat-buildsys],
157     [AS_HELP_STRING([--enable-redhat-buildsys],
158         [enable compilation of the redhat build system kernel (defaults to
159          disabled)])],
160     [],
161     [enable_redhat_buildsys="no"])
162
163 dnl Installation locations.
164 AC_ARG_ENABLE([transarc-paths],
165     [AS_HELP_STRING([--enable-transarc-paths],
166         [use Transarc style paths like /usr/afs and /usr/vice])],
167     [],
168     [enable_transarc_paths="no"])
169
170 dnl Deprecated crypto
171 AC_ARG_ENABLE([kauth],
172     [AS_HELP_STRING([--enable-kauth],
173         [install the deprecated kauth server, pam modules, and utilities
174          (defaults to disabled)])],
175     [enable_pam="yes"],
176     [enable_kauth="no"
177      enable_pam="no"])
178
179 dnl Optimization and debugging flags.
180 AC_ARG_ENABLE([strip-binaries],
181     [AS_HELP_STRING([--disable-strip-binaries],
182         [disable stripping of symbol information from binaries (defaults to
183          enabled)])],
184     [],
185     [enable_strip_binaries="maybe"])
186 AC_ARG_ENABLE([debug],
187     [AS_HELP_STRING([--enable-debug],
188         [enable compilation of the user space code with debugging information
189          (defaults to disabled)])],
190     [],
191     [enable_debug="no"])
192 AC_ARG_ENABLE([optimize],
193     [AS_HELP_STRING([--disable-optimize],
194         [disable optimization for compilation of the user space code (defaults
195          to enabled)])],
196     [],
197     [enable_optimize="yes"])
198 AC_ARG_ENABLE([warnings],
199     [AS_HELP_STRING([--enable-warnings],
200         [enable compilation warnings when building with gcc (defaults to
201          disabled)])],
202     [],
203     [enable_warnings="no"])
204 AC_ARG_ENABLE([checking],
205     [AS_HELP_STRING([--enable-checking],
206         [turn compilation warnings into errors when building with gcc (defaults
207          to disabled)])],
208     [enable_checking="$enableval"],
209     [enable_checking="no"])
210 AC_ARG_ENABLE([debug-locks],
211     [AS_HELP_STRING([--enable-debug-locks],
212         [turn on lock debugging assertions (defaults to disabled)])],
213     [enable_debug_locks="$enableval"],
214     [enable_debug_locks="no"])
215 AC_ARG_ENABLE([debug-kernel],
216     [AS_HELP_STRING([--enable-debug-kernel],
217         [enable compilation of the kernel module with debugging information
218          (defaults to disabled)])],
219     [],
220     [enable_debug_kernel="no"])
221 AC_ARG_ENABLE([optimize-kernel],
222     [AS_HELP_STRING([--disable-optimize-kernel],
223         [disable compilation of the kernel module with optimization (defaults
224          based on platform)])],
225     [],
226     [enable_optimize_kernel=""])
227 AC_ARG_ENABLE([debug-lwp],
228     [AS_HELP_STRING([--enable-debug-lwp],
229         [enable compilation of the LWP code with debugging information
230          (defaults to disabled)])],
231     [],
232     [enable_debug_lwp="no"])
233 AC_ARG_ENABLE([optimize-lwp],
234     [AS_HELP_STRING([--disable-optimize-lwp],
235         [disable optimization for compilation of the LWP code (defaults to
236          enabled)])],
237     [],
238     [enable_optimize_lwp="yes"])
239 AC_ARG_ENABLE([debug-pam],
240     [AS_HELP_STRING([--enable-debug-pam],
241         [enable compilation of the PAM code with debugging information
242          (defaults to disabled)])],
243     [],
244     [enable_debug_pam="no"])
245 AC_ARG_ENABLE([optimize-pam],
246     [AS_HELP_STRING([--disable-optimize-pam],
247         [disable optimization for compilation of the PAM code (defaults to
248          enabled)])],
249     [],
250     [enable_optimize_pam="yes"])
251 AC_ARG_ENABLE([linux-syscall-probing],
252     [AS_HELP_STRING([--enable-linux-syscall-probing],
253         [enable Linux syscall probing (defaults to autodetect)])],
254     [],
255     [enable_linux_syscall_probing="maybe"])
256 AC_ARG_ENABLE([linux-d_splice_alias-extra-iput],
257     [AS_HELP_STRING([--enable-linux-d_splice_alias-extra-iput],
258         [Linux kernels in the 3.17 series prior to 3.17.3 had a bug
259          wherein error returns from the d_splice_alias() function were
260          leaking a reference on the inode.  The bug was fixed for the
261          3.17.3 kernel, and the possibility of an error return was only
262          introduced in kernel 3.17, so only the narrow range of kernels
263          is affected.  Enable this option for builds on systems with
264          kernels affected by this bug, to manually release the reference
265          on error returns and correct the reference counting.
266          Linux commit 51486b900ee92856b977eacfc5bfbe6565028070 (or
267          equivalent) is the fix for the upstream bug, so if such a commit
268          is present, leave this option disabled.  We apologize
269          that you are required to know this about your running kernel,
270          but luckily only a narrow range of versions is affected.])],
271     [],
272     [enable_linux_d_splice_alias_extra_iput="no"])
273 AC_ARG_WITH([crosstools-dir],
274     [AS_HELP_STRING([--with-crosstools-dir=path],
275         [use path for native versions of rxgen, compile_et and config])
276 ])
277
278 AC_ARG_WITH([xslt-processor],
279         AS_HELP_STRING([--with-xslt-processor=ARG],
280         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
281         [XSLTPROC="$withval"],
282         [AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo])])
283
284 AC_ARG_WITH([html-xsl],
285         AS_HELP_STRING([--with-html-xsl],
286         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
287         [HTML_XSL="$withval"],
288         [HTML_XSL="html/chunk.xsl"])
289
290 AC_ARG_WITH([docbook2pdf],
291         AS_HELP_STRING([--with-docbook2pdf=ARG],
292         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
293         [DOCBOOK2PDF="$withval"],
294         [AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo])])
295
296 AC_ARG_WITH([docbook-stylesheets],
297         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
298         [location of DocBook stylesheets (default is to search a set of likely paths)]),
299         [DOCBOOK_STYLESHEETS="$withval"],
300         [OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS],
301                 [/usr/share/xml/docbook/stylesheet/nwalsh/current \
302                  /usr/share/xml/docbook/stylesheet/nwalsh \
303                  /usr/share/xml/docbook/xsl-stylesheets \
304                  /usr/share/sgml/docbook/docbook-xsl-stylesheets \
305                  /usr/share/sgml/docbook/xsl-stylesheets \
306                  /usr/share/docbook-xsl \
307                  /usr/share/sgml/docbkxsl \
308                  /usr/local/share/xsl/docbook \
309                  /sw/share/xml/xsl/docbook-xsl \
310                  /opt/local/share/xsl/docbook-xsl],
311                 [$HTML_XSL])
312            AS_IF([test "x$DOCBOOK_STYLESHEETS" = "x"],
313                 [AC_WARN([Docbook stylesheets not found; some documentation can't be built])
314            ])
315         ])
316
317 AC_ARG_WITH([dot],
318         AS_HELP_STRING([--with-dot@<:@=PATH@:>@],
319         [use graphviz dot to generate dependency graphs with doxygen (defaults to autodetect)]),
320         [], [with_dot="maybe"])
321
322 enable_login="no"
323
324 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
325 dnl documentation build.
326 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
327 AC_CHECK_PROGS([DOXYGEN], [doxygen])
328
329 dnl Optionally generate graphs with doxygen.
330 case "$with_dot" in
331 maybe)
332     AC_CHECK_PROGS([DOT], [dot])
333     AS_IF([test "x$DOT" = "x"], [HAVE_DOT="no"], [HAVE_DOT="yes"])
334     ;;
335 yes)
336     HAVE_DOT="yes"
337     ;;
338 no)
339     HAVE_DOT="no"
340     ;;
341 *)
342     HAVE_DOT="yes"
343     DOT_PATH=$with_dot
344 esac
345 AC_SUBST(HAVE_DOT)
346 AC_SUBST(DOT_PATH)
347
348 dnl Checks for UNIX variants.
349 AC_ISC_POSIX
350
351 dnl Various compiler setup.
352 AC_TYPE_PID_T
353 AC_TYPE_SIZE_T
354
355 dnl Checks for programs.
356 AC_PROG_INSTALL
357 AC_PROG_LN_S
358 AC_PROG_RANLIB
359 AC_PROG_YACC
360 AM_PROG_LEX
361 dnl if we are flex, be lex-compatible
362 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
363
364 OPENAFS_FORCE_ABS_INSTALL
365 OPENAFS_CHECK_BIGENDIAN
366 OPENAFS_PRINTF_TAKES_Z_LEN
367
368 AC_MSG_CHECKING(your OS)
369 system=$host
370 case $system in
371         *-linux*)
372
373                 MKAFS_OSTYPE=LINUX
374                 if test "x$enable_redhat_buildsys" = "xyes"; then
375                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
376                 fi
377                 if test "x$enable_kernel_module" = "xyes"; then
378                  if test "x$with_linux_kernel_headers" != "x"; then
379                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
380                  else
381                    for utsdir in "/lib/modules/`uname -r`/build" \
382                                  "/lib/modules/`uname -r`/source" \
383                                  "/usr/src/linux-2.4" \
384                                  "/usr/src/linux"; do
385                      LINUX_KERNEL_PATH="$utsdir"
386                      for utsfile in "include/generated/utsrelease.h" \
387                                     "include/linux/utsrelease.h" \
388                                     "include/linux/version.h" \
389                                     "include/linux/version-up.h"; do
390                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
391                          break 2
392                        fi
393                      done
394                    done
395                  fi
396                  if test "x$with_linux_kernel_build" != "x"; then
397                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
398                  else
399                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
400                  fi
401                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
402                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
403                    LINUX_VERSION="$linux_kvers"
404                  else
405                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
406                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
407                      LINUX_VERSION="$linux_kvers"
408                    else
409                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
410                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
411                        if test "x$linux_kvers" = "x"; then
412                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
413                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
414                            if test "x$linux_kvers" = "x"; then
415                              AC_MSG_ERROR(Linux headers lack version definition [2])
416                              exit 1
417                            else
418                              LINUX_VERSION="$linux_kvers"
419                            fi
420                          else
421                            AC_MSG_ERROR(Linux headers lack version definition)
422                            exit 1
423                          fi
424                        else
425                          LINUX_VERSION="$linux_kvers"
426                        fi
427                      else
428                        enable_kernel_module="no"
429                      fi
430                    fi
431                  fi
432                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
433                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
434                      enable_kernel_module="no"
435                  fi
436                  if test "x$enable_kernel_module" = "xno"; then
437                   if test "x$with_linux_kernel_headers" != "x"; then
438                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
439                    exit 1
440                   else
441                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
442                   fi
443                  fi
444                  dnl do we need to determine SUBARCH from autoconf.h
445                  SUBARCH=default
446                 fi
447                 AC_MSG_RESULT(linux)
448                 GUESS_LINUX_VERSION=
449                 if test "x$enable_kernel_module" = "xyes"; then
450                  GUESS_LINUX_VERSION=${LINUX_VERSION}
451                 else
452                  GUESS_LINUX_VERSION=`uname -r`
453                 fi
454                 case "$GUESS_LINUX_VERSION" in
455                   2.2.*) AFS_SYSKVERS=22 ;;
456                   2.4.*) AFS_SYSKVERS=24 ;;
457                   [2.6.* | [3-9]* | [1-2][0-9]*]) AFS_SYSKVERS=26 ;;
458                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
459                 esac
460                 ;;
461         *-solaris*)
462                 MKAFS_OSTYPE=SOLARIS
463                 AC_MSG_RESULT(sun4)
464                 AC_PATH_PROG(SOLARISCC, [cc], ,
465                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
466                 if test "x$SOLARISCC" = "x" ; then
467                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
468                 fi
469                 SOLARIS_UFSVFS_HAS_DQRWLOCK
470                 SOLARIS_FS_HAS_FS_ROLLED
471                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
472                 SOLARIS_HAVE_VN_RENAMEPATH
473                 ;;
474         *-sunos*)
475                 MKAFS_OSTYPE=SUNOS
476                 enable_kernel_module=no
477                 AC_MSG_RESULT(sun4)
478                 ;;
479         *-hpux*)
480                 MKAFS_OSTYPE=HPUX
481                 AC_MSG_RESULT(hp_ux)
482                 if test -f "/usr/old/usr/include/ndir.h"; then
483                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
484                 fi
485                 ;;
486         *-irix*)
487                 if test -d /usr/include/sys/SN/SN1; then
488                  IRIX_BUILD_IP35="IP35"
489                 fi
490                 MKAFS_OSTYPE=IRIX
491                 AC_MSG_RESULT(sgi)
492                 ;;
493         *-aix*)
494                 MKAFS_OSTYPE=AIX
495                 AC_MSG_RESULT(rs_aix)
496                 ;;
497         arm-*-darwin*)
498                 MKAFS_OSTYPE=DARWIN
499                 AC_MSG_RESULT(arm_darwin)
500                 ;;
501         powerpc-*-darwin*)
502                 MKAFS_OSTYPE=DARWIN
503                 AC_MSG_RESULT(ppc_darwin)
504                 ;;
505         i386-*-darwin*)
506                 MKAFS_OSTYPE=DARWIN
507                 AC_MSG_RESULT(x86_darwin)
508                 ;;
509         x86_64-*-darwin*)
510                 MKAFS_OSTYPE=DARWIN
511                 AC_MSG_RESULT(x86_darwin)
512                 ;;
513         i386-*-freebsd*)
514                 MKAFS_OSTYPE=FBSD
515                 AC_MSG_RESULT(i386_fbsd)
516                 ;;
517         x86_64-*-freebsd*)
518                 MKAFS_OSTYPE=FBSD
519                 AC_MSG_RESULT(amd64_fbsd)
520                 ;;
521         *-netbsd*)
522                 MKAFS_OSTYPE=NBSD
523                 AC_MSG_RESULT(nbsd)
524                 ;;
525         x86_64-*-openbsd*)
526                 MKAFS_OSTYPE=OBSD
527                 AC_MSG_RESULT(amd64_obsd)
528                 ;;
529         i386-*-openbsd*)
530                 MKAFS_OSTYPE=OBSD
531                 AC_MSG_RESULT(i386_obsd)
532                 ;;
533         *-dragonfly*)
534                 MKAFS_OSTYPE=DFBSD
535                 AC_MSG_RESULT(i386_dfbsd)
536                 ;;
537         *)
538                 AC_MSG_RESULT($system)
539                 ;;
540 esac
541
542 if test "x$with_afs_sysname" != "x"; then
543         AFS_SYSNAME="$with_afs_sysname"
544 else
545         AC_MSG_CHECKING(your AFS sysname)
546         case $host in
547                 i?86-*-openbsd?.?)
548                         v=${host#*openbsd}
549                         vM=${v%.*}
550                         vm=${v#*.}
551                         AFS_SYSNAME="i386_obsd${vM}${vm}"
552                         ;;
553                 sparc64-*-openbsd?.?)
554                         v=${host#*openbsd}
555                         vM=${v%.*}
556                         vm=${v#*.}
557                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
558                         ;;
559                 x86_64-*-openbsd?.?)
560                         v=${host#*openbsd}
561                         vM=${v%.*}
562                         vm=${v#*.}
563                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
564                         ;;
565                 i?86-*-freebsd*.*)
566                         v=${host#*freebsd}
567                         vM=${v%.*}
568                         vm=${v#*.}
569                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
570                         ;;
571                 x86_64-*-freebsd*.*)
572                         v=${host#*freebsd}
573                         vM=${v%.*}
574                         vm=${v#*.}
575                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
576                         ;;
577                 i386-*-dragonfly?.*)
578                         v=${host#*dragonfly}
579                         vM=${v%.*}
580                         vm=${v#*.}
581                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
582                         ;;
583                 i?86-*-netbsd*1.6[[M-Z]]*)
584                         AFS_SYSNAME="i386_nbsd20"
585                         ;;
586                 powerpc-*-netbsd*1.6[[M-Z]]*)
587                         AFS_SYSNAME="ppc_nbsd20"
588                         ;;
589                 *-*-netbsd*)
590                         arch=${host%%-unknown*}
591                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
592                                                -e 's/powerpc/ppc/g')
593                         v=${host#*netbsd}
594                         v=${v#*aout}
595                         v=${v#*ecoff}
596                         v=${v#*elf}
597                         vM=${v%%.*}
598                         vM=${vM%.*}
599                         v=${v#*.}
600                         vm=${v%%.*}
601                         vm=${vm%.*}
602                         vm=${vm%%[[_A-Z]]*}
603                         if test $vm -eq 99 ; then
604                                 vM=$((vM+1))
605                         fi
606                         if test $vM -gt 1 ; then
607                                 vm=0
608                         fi
609                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
610                         ;;
611                 hppa*-hp-hpux11.0*)
612                         AFS_SYSNAME="hp_ux110"
613                         ;;
614                 hppa*-hp-hpux11.11)
615                         AFS_SYSNAME="hp_ux11i"
616                         ;;
617                 hppa*-hp-hpux11.23)
618                         AFS_SYSNAME="hp_ux1123"
619                         ;;
620                 ia64-hp-hpux11.22)
621                         AFS_SYSNAME="ia64_hpux1122"
622                         ;;
623                 ia64-hp-hpux*)
624                         AFS_SYSNAME="ia64_hpux1123"
625                         ;;
626                 hppa*-hp-hpux10*)
627                         AFS_SYSNAME="hp_ux102"
628                         ;;
629                 powerpc-apple-darwin7*)
630                         AFS_SYSNAME="ppc_darwin_70"
631                         OSXSDK="macosx10.3"
632                         ;;
633                 powerpc-apple-darwin8.*)
634                         AFS_SYSNAME="ppc_darwin_80"
635                         OSXSDK="macosx10.4"
636                         ;;
637                 i386-apple-darwin8.*)
638                         AFS_SYSNAME="x86_darwin_80"
639                         OSXSDK="macosx10.4"
640                         ;;
641                 powerpc-apple-darwin9.*)
642                         AFS_SYSNAME="ppc_darwin_90"
643                         OSXSDK="macosx10.5"
644                         ;;
645                 i386-apple-darwin9.*)
646                         AFS_SYSNAME="x86_darwin_90"
647                         OSXSDK="macosx10.5"
648                         ;;
649                 i?86-apple-darwin10.*)
650                         AFS_SYSNAME="x86_darwin_100"
651                         OSXSDK="macosx10.6"
652                         ;;
653                 x86_64-apple-darwin10.*)
654                         AFS_SYSNAME="x86_darwin_100"
655                         OSXSDK="macosx10.6"
656                         ;;
657                 arm-apple-darwin10.*)
658                         AFS_SYSNAME="arm_darwin_100"
659                         OSXSDK="iphoneos4.0"
660                         ;;
661                 x86_64-apple-darwin11.*)
662                         AFS_SYSNAME="x86_darwin_110"
663                         OSXSDK="macosx10.7"
664                         ;;
665                 i?86-apple-darwin11.*)
666                         AFS_SYSNAME="x86_darwin_110"
667                         OSXSDK="macosx10.7"
668                         ;;
669                 x86_64-apple-darwin12.*)
670                         AFS_SYSNAME="x86_darwin_120"
671                         OSXSDK="macosx10.8"
672                         ;;
673                 i?86-apple-darwin12.*)
674                         AFS_SYSNAME="x86_darwin_120"
675                         OSXSDK="macosx10.8"
676                         ;;
677                 x86_64-apple-darwin13.*)
678                         AFS_SYSNAME="x86_darwin_130"
679                         OSXSDK="macosx10.9"
680                         ;;
681                 i?86-apple-darwin13.*)
682                         AFS_SYSNAME="x86_darwin_130"
683                         OSXSDK="macosx10.9"
684                         ;;
685                 x86_64-apple-darwin14.*)
686                         AFS_SYSNAME="x86_darwin_140"
687                         OSXSDK="macosx10.10"
688                         ;;
689                 i?86-apple-darwin14.*)
690                         AFS_SYSNAME="x86_darwin_140"
691                         OSXSDK="macosx10.10"
692                         ;;
693                 x86_64-apple-darwin15.*)
694                         AFS_SYSNAME="x86_darwin_150"
695                         OSXSDK="macosx10.11"
696                         ;;
697                 i?86-apple-darwin15.*)
698                         AFS_SYSNAME="x86_darwin_150"
699                         OSXSDK="macosx10.11"
700                         ;;
701                 sparc-sun-solaris2.8)
702                         AFS_SYSNAME="sun4x_58"
703                         ;;
704                 sparc-sun-solaris2.9)
705                         AFS_SYSNAME="sun4x_59"
706                         ;;
707                 sparc-sun-solaris2.10)
708                         AFS_SYSNAME="sun4x_510"
709                         ;;
710                 sparc-sun-solaris2.11)
711                         AFS_SYSNAME="sun4x_511"
712                         ;;
713                 i386-pc-solaris2.8)
714                         AFS_SYSNAME="sunx86_58"
715                         ;;
716                 i386-pc-solaris2.9)
717                         AFS_SYSNAME="sunx86_59"
718                         ;;
719                 i386-pc-solaris2.10)
720                         AFS_SYSNAME="sunx86_510"
721                         ;;
722                 i386-pc-solaris2.11)
723                         AFS_SYSNAME="sunx86_511"
724                         ;;
725                 alpha*-dec-osf4.0*)
726                         AFS_SYSNAME="alpha_dux40"
727                         ;;
728                 alpha*-dec-osf5.0*)
729                         AFS_SYSNAME="alpha_dux50"
730                         ;;
731                 alpha*-dec-osf5.1*)
732                         AFS_SYSNAME="alpha_dux51"
733                         ;;
734                 mips-sgi-irix6.5)
735                         AFS_SYSNAME="sgi_65"
736                         enable_pam="no"
737                         ;;
738                 ia64-*-linux*)
739                         AFS_SYSNAME="ia64_linuxXX"
740                         ;;
741                 powerpc-*-linux*)
742                         AFS_SYSNAME="`/bin/arch`_linuxXX"
743                         ;;
744                 powerpc64-*-linux*)
745                         AFS_SYSNAME="ppc64_linuxXX"
746                         ;;
747                 alpha*-linux*)
748                         AFS_SYSNAME="alpha_linux_XX"
749                         ;;
750                 s390-*-linux*)
751                         AFS_SYSNAME="s390_linuxXX"
752                         ;;
753                 s390x-*-linux*)
754                         AFS_SYSNAME="s390x_linuxXX"
755                         ;;
756                 sparc-*-linux*)
757                         AFS_SYSNAME="`/bin/arch`_linuxXX"
758                         ;;
759                 sparc64-*-linux*)
760                         AFS_SYSNAME="sparc64_linuxXX"
761                         ;;
762                 i?86-*-linux*)
763                         AFS_SYSNAME="i386_linuxXX"
764                         ;;
765                 arm*-linux*)
766                         AFS_SYSNAME="arm_linuxXX"
767                         ;;
768                 parisc-*-linux-gnu|hppa-*-linux-gnu)
769                         AFS_SYSNAME="parisc_linuxXX"
770                         enable_pam="no"
771                         ;;
772                 power*-ibm-aix4.2*)
773                         AFS_SYSNAME="rs_aix42"
774                         enable_pam="no"
775                         ;;
776                 power*-ibm-aix4.3*)
777                         AFS_SYSNAME="rs_aix42"
778                         enable_pam="no"
779                         ;;
780                 power*-ibm-aix5.1*)
781                         AFS_SYSNAME="rs_aix51"
782                         enable_pam="no"
783                         ;;
784                 power*-ibm-aix5.2*)
785                         AFS_SYSNAME="rs_aix52"
786                         enable_pam="no"
787                         ;;
788                 power*-ibm-aix5.3*)
789                         AFS_SYSNAME="rs_aix53"
790                         enable_pam="no"
791                         ;;
792                 power*-ibm-aix6.1*)
793                         AFS_SYSNAME="rs_aix61"
794                         enable_pam="no"
795                         ;;
796                 x86_64-*-linux-gnu)
797                         AFS_SYSNAME="amd64_linuxXX"
798                         enable_pam="yes"
799                         ;;
800                 *)
801                         AC_MSG_ERROR(An AFS sysname is required)
802                         exit 1
803                         ;;
804         esac
805         case $AFS_SYSNAME in
806                 *_linux* | *_umlinux*)
807                         if test "x${AFS_SYSKVERS}" = "x"; then
808                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
809                         fi
810                         if test "x${AFS_SYSKVERS}" = "x24" ||
811                                 test "x${AFS_SYSKVERS}" = "x22"; then
812                             AC_MSG_ERROR([Linux 2.4.x and older are no longer supported by OpenAFS.  Please use an OpenAFS 1.6.x release on those systems.])
813                         fi
814                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
815                         AFS_SYSNAME="$_AFS_SYSNAME"
816                         AC_TRY_KBUILD(
817                          [],
818                          [#ifndef CONFIG_USERMODE
819                           #error not UML
820                           #endif],
821                          ac_cv_linux_is_uml=yes,)
822                         if test "${ac_cv_linux_is_uml}" = yes; then
823                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
824                         fi
825                         AFS_SYSNAME="$_AFS_SYSNAME"
826                         ;;
827         esac
828         AC_MSG_RESULT($AFS_SYSNAME)
829 fi
830
831 case $AFS_SYSNAME in
832         *_darwin*)
833                 AC_CHECK_HEADERS(crt_externs.h)
834                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
835                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
836                 AC_SUBST(OSXSDK)
837                 ;;
838 esac
839
840 dnl Some hosts have a separate common param file they should include.  Figure
841 dnl out if we're on one of them now that we know the sysname.
842 case $AFS_SYSNAME in
843     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
844     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
845     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
846     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
847     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
848     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
849     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
850     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
851     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
852     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
853     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
854     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
855     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
856     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
857     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
858     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
859     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
860     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
861     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
862     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
863     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
864     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
865     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
866     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
867     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
868     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
869     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
870     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
871     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
872     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
873     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
874     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
875     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
876     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
877 # Linux alpha adds an extra underscore for no good reason.
878     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
879     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
880 esac
881
882 OPENAFS_OSCONF
883
884 case $AFS_SYSNAME in *_linux* | *_umlinux*)
885
886                 # Add (sub-) architecture-specific paths needed by conftests
887                 case $AFS_SYSNAME  in
888                         *_umlinux26)
889                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
890                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
891                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
892                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
893                 esac
894
895                 if test "x$enable_kernel_module" = "xyes"; then
896                  if test "x$enable_debug_kernel" = "xno"; then
897                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
898                  fi
899                  OPENAFS_GCC_SUPPORTS_MARCH
900                  AC_SUBST(P5PLUS_KOPTS)
901                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
902                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
903                  OPENAFS_GCC_SUPPORTS_NO_COMMON
904                  OPENAFS_GCC_SUPPORTS_PIPE
905                  AC_SUBST(LINUX_GCC_KOPTS)
906
907                  dnl Setup the kernel build environment
908                  LINUX_KBUILD_USES_EXTRA_CFLAGS
909                  LINUX_KERNEL_COMPILE_WORKS
910
911                  dnl Operation signature checks
912                  AC_CHECK_LINUX_OPERATION([inode_operations], [follow_link], [no_nameidata],
913                                           [#include <linux/fs.h>],
914                                           [const char *],
915                                           [struct dentry *dentry, void **link_data])
916                  AC_CHECK_LINUX_OPERATION([inode_operations], [put_link], [no_nameidata],
917                                           [#include <linux/fs.h>],
918                                           [void],
919                                           [struct inode *inode, void *link_data])
920
921                  dnl Check for header files
922                  AC_CHECK_LINUX_HEADER([config.h])
923                  AC_CHECK_LINUX_HEADER([exportfs.h])
924                  AC_CHECK_LINUX_HEADER([freezer.h])
925                  AC_CHECK_LINUX_HEADER([key-type.h])
926                  AC_CHECK_LINUX_HEADER([semaphore.h])
927                  AC_CHECK_LINUX_HEADER([seq_file.h])
928
929                  dnl Type existence checks
930                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
931                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
932
933                  dnl Check for structure elements
934                  AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
935                  AC_CHECK_LINUX_STRUCT([address_space_operations],
936                                        [write_begin], [fs.h])
937                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
938                                        [backing-dev.h])
939                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
940                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
941                  AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
942                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
943                  AC_CHECK_LINUX_STRUCT([group_info], [gid], [cred.h])
944                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
945                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
946                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
947                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
948                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
949                  AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
950                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
951                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
952                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
953                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
954                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
955                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
956                  AC_CHECK_LINUX_STRUCT([inode_operations], [get_link], [fs.h])
957                  AC_CHECK_LINUX_STRUCT([key], [payload.value], [key.h])
958                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
959                  AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
960                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
961                  AC_CHECK_LINUX_STRUCT([msghdr], [msg_iter], [socket.h])
962                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
963                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
964                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
965                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
966                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
967                                        [fs.h])
968                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
969                                        [fs.h])
970                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
971                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
972                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
973                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
974                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
975                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
976                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
977                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
978                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
979                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
980                  AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h])
981                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
982
983                  dnl Check for typed structure elements
984                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
985                                              [buf], [fs.h])
986
987                  dnl Function existence checks
988
989                  AC_CHECK_LINUX_FUNC([__vfs_read],
990                                      [#include <linux/fs.h>],
991                                      [__vfs_read(NULL, NULL, 0, NULL);])
992                  AC_CHECK_LINUX_FUNC([bdi_init],
993                                      [#include <linux/backing-dev.h>],
994                                      [bdi_init(NULL);])
995                  AC_CHECK_LINUX_FUNC([PageChecked],
996                                      [#include <linux/mm.h>
997 #include <linux/page-flags.h>],
998                                      [struct page *_page;
999                                       int bchecked = PageChecked(_page);])
1000                  AC_CHECK_LINUX_FUNC([PageFsMisc],
1001                                      [#include <linux/mm.h>
1002 #include <linux/page-flags.h>],
1003                                      [struct page *_page;
1004                                       int bchecked = PageFsMisc(_page);])
1005                  AC_CHECK_LINUX_FUNC([clear_inode],
1006                                      [#include <linux/fs.h>],
1007                                      [clear_inode(NULL);])
1008                  AC_CHECK_LINUX_FUNC([current_kernel_time],
1009                                      [#include <linux/time.h>],
1010                                      [struct timespec s;
1011                                       s = current_kernel_time();])
1012                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
1013                                      [#include <linux/fs.h>],
1014                                      [d_alloc_anon(NULL);])
1015                  AC_CHECK_LINUX_FUNC([d_count],
1016                                      [#include <linux/dcache.h>],
1017                                      [d_count(NULL);])
1018                  AC_CHECK_LINUX_FUNC([d_make_root],
1019                                      [#include <linux/fs.h>],
1020                                      [d_make_root(NULL);])
1021                  AC_CHECK_LINUX_FUNC([do_sync_read],
1022                                      [#include <linux/fs.h>],
1023                                      [do_sync_read(NULL, NULL, 0, NULL);])
1024                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
1025                                      [#include <linux/sched.h>],
1026                                      [pid_t p; find_task_by_pid(p);])
1027                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
1028                                      [#include <linux/fs.h>],
1029                                      [generic_file_aio_read(NULL,NULL,0,0);])
1030                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
1031                                      [#include <linux/pagemap.h>],
1032                                      [grab_cache_page_write_begin(NULL, 0, 0);])
1033                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
1034                                      [#include <linux/list.h>],
1035                                      [hlist_unhashed(0);])
1036                  AC_CHECK_LINUX_FUNC([ihold],
1037                                      [#include <linux/fs.h>],
1038                                      [ihold(NULL);])
1039                  AC_CHECK_LINUX_FUNC([i_size_read],
1040                                      [#include <linux/fs.h>],
1041                                      [i_size_read(NULL);])
1042                  AC_CHECK_LINUX_FUNC([inode_setattr],
1043                                      [#include <linux/fs.h>],
1044                                      [inode_setattr(NULL, NULL);])
1045                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
1046                                      [#include <linux/fs.h>],
1047                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
1048                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
1049                                      [#include <linux/net.h>],
1050                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
1051                  AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
1052                                      [#include <linux/fs.h>],
1053                                      [locks_lock_file_wait(NULL, NULL);])
1054                  AC_CHECK_LINUX_FUNC([page_follow_link],
1055                                      [#include <linux/fs.h>],
1056                                      [page_follow_link(0,0);])
1057                  AC_CHECK_LINUX_FUNC([page_get_link],
1058                                      [#include <linux/fs.h>],
1059                                      [page_get_link(0,0,0);])
1060                  AC_CHECK_LINUX_FUNC([page_offset],
1061                                      [#include <linux/pagemap.h>],
1062                                      [page_offset(NULL);])
1063                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
1064                                      [#include <linux/pagevec.h>],
1065                                      [__pagevec_lru_add_file(NULL);])
1066                  AC_CHECK_LINUX_FUNC([path_lookup],
1067                                      [#include <linux/fs.h>
1068                                       #include <linux/namei.h>],
1069                                      [path_lookup(NULL, 0, NULL);])
1070                  AC_CHECK_LINUX_FUNC([proc_create],
1071                                      [#include <linux/proc_fs.h>],
1072                                      [proc_create(NULL, 0, NULL, NULL);])
1073                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
1074                                      [#include <linux/rcupdate.h>],
1075                                      [rcu_read_lock();])
1076                  AC_CHECK_LINUX_FUNC([set_nlink],
1077                                      [#include <linux/fs.h>],
1078                                      [set_nlink(NULL, 1);])
1079                  AC_CHECK_LINUX_FUNC([sock_create_kern],
1080                                      [#include <linux/net.h>],
1081                                      [sock_create_kern(0, 0, 0, NULL);])
1082                  AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
1083                                      [#include <linux/net.h>],
1084                                      [sock_create_kern(NULL, 0, 0, 0, NULL);])
1085                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
1086                                      [#include <linux/splice.h>],
1087                                      [splice_direct_to_actor(NULL,NULL,NULL);])
1088                  AC_CHECK_LINUX_FUNC([default_file_splice_read],
1089                                      [#include <linux/fs.h>],
1090                                      [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
1091                  AC_CHECK_LINUX_FUNC([svc_addr_in],
1092                                      [#include <linux/sunrpc/svc.h>],
1093                                      [svc_addr_in(NULL);])
1094                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1095                                      [#include <linux/highmem.h>],
1096                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1097                  AC_CHECK_LINUX_FUNC([noop_fsync],
1098                                      [#include <linux/fs.h>],
1099                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1100                  AC_CHECK_LINUX_FUNC([kthread_run],
1101                                      [#include <linux/kernel.h>
1102                                       #include <linux/kthread.h>],
1103                                      [kthread_run(NULL, NULL, "test");])
1104                  AC_CHECK_LINUX_FUNC([inode_nohighmem],
1105                                      [#include <linux/fs.h>],
1106                                      [inode_nohighmem(NULL);])
1107                  AC_CHECK_LINUX_FUNC([inode_lock],
1108                                      [#include <linux/fs.h>],
1109                                      [inode_lock(NULL);])
1110
1111                  dnl Consequences - things which get set as a result of the
1112                  dnl                above tests
1113                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1114                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1115                                   [define to disable the nfs translator])])
1116
1117                  dnl Assorted more complex tests
1118                  LINUX_AIO_NONVECTOR
1119                  LINUX_EXPORTS_PROC_ROOT_FS
1120                  LINUX_KMEM_CACHE_INIT
1121                  LINUX_HAVE_KMEM_CACHE_T
1122                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1123                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1124                  LINUX_D_PATH_TAKES_STRUCT_PATH
1125                  LINUX_NEW_EXPORT_OPS
1126                  LINUX_INODE_SETATTR_RETURN_TYPE
1127                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1128                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1129                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1130                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1131                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1132                  LINUX_DOP_D_DELETE_TAKES_CONST
1133                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1134                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1135                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1136                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1137                  LINUX_AOP_WRITEBACK_CONTROL
1138                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1139                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1140                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1141                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1142                  LINUX_KERNEL_SOCK_CREATE
1143                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1144                  LINUX_NEED_RHCONFIG
1145                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1146                  LINUX_EXPORTS_TASKLIST_LOCK
1147                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1148                  LINUX_STATFS_TAKES_DENTRY
1149                  LINUX_REFRIGERATOR
1150                  LINUX_HAVE_TRY_TO_FREEZE
1151                  LINUX_LINUX_KEYRING_SUPPORT
1152                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1153                  LINUX_KEY_ALLOC_NEEDS_CRED
1154                  LINUX_INIT_WORK_HAS_DATA
1155                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1156                  LINUX_HAVE_DCACHE_LOCK
1157                  LINUX_D_COUNT_IS_INT
1158                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1159                  LINUX_IOP_CREATE_TAKES_UMODE_T
1160                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1161                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1162                  LINUX_DENTRY_OPEN_TAKES_PATH
1163                  LINUX_D_ALIAS_IS_HLIST
1164                  LINUX_HLIST_ITERATOR_NO_NODE
1165                  LINUX_IOP_I_CREATE_TAKES_BOOL
1166                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1167                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1168                  LINUX_D_INVALIDATE_IS_VOID
1169
1170                  dnl If we are guaranteed that keyrings will work - that is
1171                  dnl  a) The kernel has keyrings enabled
1172                  dnl  b) The code is new enough to give us a key_type_keyring
1173                  dnl then we just disable syscall probing unless we've been
1174                  dnl told otherwise
1175
1176                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1177                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1178                           [enable_linux_syscall_probing="no"],
1179                           [enable_linux_syscall_probing="yes"])
1180                  ])
1181
1182                  dnl Syscall probing needs a few tests of its own, and just
1183                  dnl won't work if the kernel doesn't export init_mm
1184                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1185                    LINUX_EXPORTS_INIT_MM
1186                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1187                      AC_MSG_ERROR(
1188                        [Can't do syscall probing without exported init_mm])
1189                    ])
1190                    LINUX_EXPORTS_SYS_CHDIR
1191                    LINUX_EXPORTS_SYS_OPEN
1192                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1193                              [define to enable syscall table probes])
1194                  ])
1195
1196                  dnl Packaging and SMP build
1197                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1198                    LINUX_WHICH_MODULES
1199                  else
1200                    AC_SUBST(MPS,'SP')
1201                  fi
1202
1203                  dnl Syscall probing
1204                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1205                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1206                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1207                    ])
1208                    ac_cv_linux_exports_sys_call_table=no
1209                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1210                      ac_cv_linux_exports_ia32_sys_call_table=yes
1211                    fi
1212                  else
1213                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1214                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1215                    LINUX_EXPORTS_SYS_CALL_TABLE
1216                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1217                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1218                          linux_syscall_method=none
1219                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1220                             linux_syscall_method=scan
1221                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1222                                linux_syscall_method=scan_with_kallsyms_address
1223                             fi
1224                          fi
1225                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1226                             linux_syscall_method=kallsyms_symbol
1227                          fi
1228                          if test "x$linux_syscall_method" = "xnone"; then
1229                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1230                             linux_syscall_method=scan
1231                          fi
1232                    fi
1233                  fi
1234                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1235                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1236                  fi
1237                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1238                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1239                  fi
1240                  if test "x$ac_cv_linux_func_page_get_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1241                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1242                  else
1243                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1244                  fi
1245                  if test "x$ac_cv_linux_func_page_get_link" != "xyes" -a "x$ac_cv_linux_struct_inode_operations_has_get_link" = "xyes"; then
1246                         AC_MSG_ERROR([Your kernel does not use follow_link - not supported without symlink cache API])
1247                         exit 1
1248                  fi
1249                 :
1250                 fi
1251                 if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
1252                     AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
1253                 fi
1254 dnl Linux-only, but just enable always.
1255                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1256 esac
1257
1258 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1259     [ac_cv_sync_fetch_and_add],
1260     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1261                     [ac_cv_sync_fetch_and_add=yes],
1262                     [ac_cv_sync_fetch_and_add=no])
1263 ])
1264 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1265       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1266                 [define if your C compiler has __sync_add_and_fetch])])
1267
1268 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1269     [ac_cv_sockaddr_len],
1270     [AC_TRY_COMPILE( [#include <sys/types.h>
1271 #include <sys/socket.h>],
1272                      [struct sockaddr *a; a->sa_len=0;],
1273                      [ac_cv_sockaddr_len=yes],
1274                      [ac_cv_sockaddr_len=no])
1275 ])
1276 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1277       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1278                  [define if you struct sockaddr sa_len])])
1279
1280 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1281         echo Skipping library tests because they confuse Irix.
1282 else
1283   AC_SEARCH_LIBS([socket], [socket inet])
1284   AC_SEARCH_LIBS([connect], [nsl])
1285   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1286
1287   dnl darwin wants it, aix hates it
1288   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1289   AC_TRY_COMPILE([
1290   #include <stdlib.h>
1291   #include <stdio.h>
1292   #include <sys/types.h>
1293   #include <sys/socket.h>
1294   #include <netinet/in.h>
1295   #include <arpa/inet.h>
1296   #include <arpa/nameser.h>
1297   #include <arpa/nameser_compat.h>
1298   #include <resolv.h>
1299   ], [static int i; i = 0;],
1300   [AC_MSG_RESULT(yes)
1301    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1302   [AC_MSG_RESULT(no)
1303    ])
1304
1305   openafs_save_libs="$LIBS"
1306   AC_MSG_CHECKING([for res_search])
1307   AC_FUNC_RES_SEARCH
1308
1309   if test "$ac_cv_func_res_search" = no; then
1310       for lib in dns nsl resolv; do
1311         if test "$ac_cv_func_res_search" != yes; then
1312           LIBS="-l$lib $LIBS"
1313           AC_FUNC_RES_SEARCH
1314           LIBS="$openafs_save_libs"
1315         fi
1316       done    
1317       if test "$ac_cv_func_res_search" = yes; then
1318         LIB_AFSDB="-l$lib"
1319         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1320         AC_MSG_RESULT([yes, in lib$lib])
1321       else
1322         AC_MSG_RESULT(no)
1323       fi
1324   else
1325     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1326     AC_MSG_RESULT(yes)
1327   fi
1328   
1329 fi
1330 XLIBS="$LIB_AFSDB $XLIBS"
1331
1332 AC_CHECK_RESOLV_RETRANS
1333
1334 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1335     [ac_cv_setsockopt_iprecverr],
1336     [AC_TRY_COMPILE( [
1337 #include <sys/types.h>
1338 #include <sys/socket.h>
1339 #include <netinet/in.h>],
1340 [int on=1;
1341 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1342         [ac_cv_setsockopt_iprecverr=yes],
1343         [ac_cv_setsockopt_iprecverr=no])])
1344
1345 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1346       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1347                  [define if we can receive socket errors via IP_RECVERR])])
1348
1349 PTHREAD_LIBS=error
1350 if test "x$MKAFS_OSTYPE" = OBSD; then
1351         PTHREAD_LIBS="-pthread"
1352 fi
1353 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1354         PTHREAD_LIBS="-pthread"
1355 fi
1356 if test "x$PTHREAD_LIBS" = xerror; then
1357         AC_CHECK_LIB(pthread, pthread_attr_init,
1358                 PTHREAD_LIBS="-lpthread")
1359 fi
1360 if test "x$PTHREAD_LIBS" = xerror; then
1361         AC_CHECK_LIB(pthreads, pthread_attr_init,
1362                 PTHREAD_LIBS="-lpthreads")
1363 fi
1364 if test "x$PTHREAD_LIBS" = xerror; then
1365         AC_CHECK_LIB(c_r, pthread_attr_init,
1366                 PTHREAD_LIBS="-lc_r")
1367 fi
1368 if test "x$PTHREAD_LIBS" = xerror; then
1369         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1370 fi
1371 if test "x$PTHREAD_LIBS" = xerror; then
1372         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1373         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1374                 PTHREAD_LIBS="-lpthread")
1375 fi
1376 if test "x$PTHREAD_LIBS" = xerror; then
1377         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1378 fi
1379 AC_SUBST(PTHREAD_LIBS)
1380
1381 HOST_CPU="$host_cpu"
1382
1383 if test "x$with_bsd_kernel_headers" != "x"; then
1384         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1385 else
1386         BSD_KERNEL_PATH="/usr/src/sys"
1387 fi
1388
1389 if test "x$with_bsd_kernel_build" != "x"; then
1390         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1391 else
1392         case $AFS_SYSNAME in
1393                 *_fbsd_*)
1394                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1395                         ;;
1396                 *_nbsd*)
1397                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1398         esac
1399 fi
1400
1401 # Fast restart
1402 if test "$enable_supergroups" = "yes"; then
1403         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1404 fi
1405
1406 if test "$enable_bitmap_later" = "yes"; then
1407         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1408 fi
1409
1410 if test "$enable_unix_sockets" = "yes"; then
1411         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1412         USE_UNIX_SOCKETS="yes"
1413 else
1414         USE_UNIX_SOCKETS="no"
1415 fi
1416 AC_SUBST(USE_UNIX_SOCKETS)
1417
1418 if test "$enable_ubik_read_while_write" = "yes"; then
1419         AC_DEFINE(UBIK_READ_WHILE_WRITE, 1, [define if you want to enable ubik read while write])
1420 fi
1421
1422 if test "$enable_namei_fileserver" = "yes"; then
1423         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1424         VFSCK=""
1425 else
1426         if test "$enable_namei_fileserver" = "default"; then
1427                 case $host in
1428                         *-solaris2.10*)
1429                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1430                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1431                                 VFSCK=""
1432                                 ;;
1433                         *-solaris2.11*)
1434                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1435                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1436                                 VFSCK=""
1437                                 ;;
1438                         *)
1439                                 VFSCK="vfsck"
1440                                 ;;
1441                 esac
1442         else
1443                 VFSCK="vfsck"
1444         fi
1445 fi
1446
1447 dnl check for tivoli
1448 AC_MSG_CHECKING(for tivoli tsm butc support)
1449 XBSA_CFLAGS=""
1450 if test "$enable_tivoli_tsm" = "yes"; then
1451         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1452         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1453         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1454         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1455         XBSADIR5=/usr/tivoli/tsm/client/api/bin64/sample
1456         XBSADIR6=/opt/tivoli/tsm/client/api/bin64/sample
1457
1458         if test -r "$XBSADIR3/dsmapifp.h"; then
1459                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1460                 XBSA_XLIBS="-ldl"
1461                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1462         elif test -r "$XBSADIR4/dsmapifp.h"; then
1463                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1464                 XBSA_XLIBS="-ldl"
1465                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1466         elif test -r "$XBSADIR5/dsmapifp.h"; then
1467                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR5"
1468                 XBSA_XLIBS="-ldl"
1469                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1470         elif test -r "$XBSADIR6/dsmapifp.h"; then
1471                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR6"
1472                 XBSA_XLIBS="-ldl"
1473                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1474         elif test -r "$XBSADIR1/xbsa.h"; then
1475                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1476                 XBSA_XLIBS=""
1477                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1478         elif test -r "$XBSADIR2/xbsa.h"; then
1479                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1480                 XBSA_XLIBS=""
1481                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1482         else
1483                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1484         fi
1485 else
1486         AC_MSG_RESULT([no])
1487 fi
1488 AC_SUBST(XBSA_CFLAGS)
1489 AC_SUBST(XBSA_XLIBS) 
1490 XLIBS="$XBSA_XLIBS $XLIBS"
1491
1492 dnl checks for header files.
1493 AC_HEADER_STDC
1494 AC_HEADER_SYS_WAIT
1495 AC_HEADER_DIRENT
1496 AC_CHECK_HEADERS([ \
1497                    arpa/inet.h \
1498                    arpa/nameser.h \
1499                    curses.h\
1500                    direct.h \
1501                    errno.h \
1502                    fcntl.h \
1503                    grp.h \
1504                    math.h \
1505                    mntent.h \
1506                    ncurses.h \
1507                    ncurses/ncurses.h \
1508                    netdb.h \
1509                    netinet/in.h \
1510                    pthread_np.h \
1511                    pwd.h \
1512                    regex.h \
1513                    security/pam_appl.h \
1514                    signal.h \
1515                    stdint.h \
1516                    stdio_ext.h \
1517                    stdlib.h \
1518                    string.h \
1519                    strings.h \
1520                    sys/bitypes.h \
1521                    sys/bswap.h \
1522                    sys/dk.h \
1523                    sys/fcntl.h \
1524                    sys/file.h \
1525                    sys/fs_types.h \
1526                    sys/fstyp.h \
1527                    sys/ioctl.h \
1528                    sys/ipc.h \
1529                    sys/lockf.h \
1530                    sys/map.h \
1531                    sys/mount.h \
1532                    sys/mntent.h \
1533                    sys/mnttab.h \
1534                    sys/pag.h \
1535                    sys/param.h \
1536                    sys/resource.h \
1537                    sys/select.h \
1538                    sys/statfs.h \
1539                    sys/statvfs.h \
1540                    sys/socket.h \
1541                    sys/sysctl.h \
1542                    sys/time.h \
1543                    sys/types.h \
1544                    sys/uio.h \
1545                    sys/un.h \
1546                    sys/vfs.h \
1547                    syslog.h \
1548                    termios.h \
1549                    time.h \
1550                    ucontext.h \
1551                    unistd.h \
1552                    windows.h \
1553                 ])
1554
1555 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1556 #ifdef HAVE_NETINET_IN_H
1557 # include <netinet/in.h>
1558 #endif])
1559
1560 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1561 #ifdef HAVE_SYS_SOCKET_H
1562 # include <sys/socket.h>
1563 #endif])
1564
1565 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1566 #ifdef HAVE_SYS_SOCKET_H
1567 # include <sys/socket.h>
1568 #endif
1569 #ifdef HAVE_NETINET_IN_H
1570 # include <netinet/in.h>
1571 #endif
1572 #ifdef HAVE_NET_IF_H
1573 # include <net/if.h>
1574 #endif])
1575
1576 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1577 #ifdef HAVE_SECURITY_PAM_APPL_H
1578 # include <security/pam_appl.h>
1579 #endif])
1580
1581 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1582
1583 AC_CHECK_TYPES([fsblkcnt_t],,,[
1584 #include <sys/types.h>
1585 #ifdef HAVE_SYS_BITYPES_H
1586 #include <sys/bitypes.h>
1587 #endif
1588 #ifdef HAVE_SYS_STATFS_H
1589 #include <sys/statfs.h>
1590 #endif
1591 #ifdef HAVE_SYS_STATVFS_H
1592 #include <sys/statvfs.h>
1593 #endif
1594 ])
1595
1596 dnl see what struct stat has for timestamps
1597 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1598
1599 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1600
1601 if test "$enable_debug_locks" = yes; then
1602         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1603 fi
1604
1605 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1606         HAVE_PAM="yes"
1607 else
1608         HAVE_PAM="no"
1609 fi
1610 AC_SUBST(HAVE_PAM)
1611
1612 if test "$enable_login" = yes; then
1613         BUILD_LOGIN="yes"
1614 else
1615         BUILD_LOGIN="no"
1616 fi
1617 AC_SUBST(BUILD_LOGIN)
1618
1619 if test "$enable_kauth" = yes; then
1620         INSTALL_KAUTH="yes"
1621 else
1622         INSTALL_KAUTH="no"
1623 fi
1624 AC_SUBST(INSTALL_KAUTH)
1625
1626 AC_CHECK_FUNCS([ \
1627         arc4random \
1628         closelog \
1629         fcntl \
1630         fseeko64 \
1631         ftello64 \
1632         getcwd \
1633         getegid \
1634         geteuid \
1635         getgid \
1636         getuid \
1637         getrlimit \
1638         issetugid \
1639         mkstemp \
1640         openlog \
1641         poll \
1642         pread \
1643         preadv \
1644         preadv64 \
1645         pwrite \
1646         pwritev \
1647         pwritev64 \
1648         regcomp \
1649         regerror \
1650         regexec \
1651         setitimer \
1652         setvbuf \
1653         sigaction \
1654         strcasestr \
1655         strerror \
1656         sysconf \
1657         sysctl \
1658         syslog \
1659         tdestroy \
1660         timegm \
1661 ])
1662
1663 OPENAFS_ROKEN()
1664 OPENAFS_HCRYPTO()
1665 OPENAFS_CURSES()
1666 OPENAFS_C_ATTRIBUTE()
1667 OPENAFS_C_PRAGMA()
1668
1669 dnl Functions that Heimdal's libroken provides, but that we
1670 dnl haven't found a need for yet, and so haven't imported
1671 AC_CHECK_FUNCS([ \
1672         chown \
1673         fchown \
1674         gethostname \
1675         lstat \
1676         inet_aton \
1677         putenv \
1678         readv \
1679         setenv \
1680         strdup \
1681         strftime \
1682         strndup \
1683         strsep \
1684         unsetenv \
1685 ])
1686
1687 dnl Functions that are in objects that we always build from libroken
1688 AC_CHECK_FUNCS([ \
1689         asprintf \
1690         asnprintf \
1691         vasprintf \
1692         vasnprintf \
1693         vsnprintf \
1694         snprintf \
1695 ])
1696
1697 dnl Functions that we're going to try and get from libroken
1698 AC_REPLACE_FUNCS([ \
1699         daemon \
1700         ecalloc \
1701         emalloc \
1702         erealloc \
1703         err \
1704         errx \
1705         flock \
1706         freeaddrinfo \
1707         gai_strerror \
1708         getaddrinfo \
1709         getdtablesize \
1710         getnameinfo \
1711         getopt \
1712         getprogname \
1713         gettimeofday \
1714         inet_ntop \
1715         inet_pton \
1716         localtime_r \
1717         mkstemp \
1718         setenv \
1719         setprogname \
1720         strcasecmp \
1721         strlcat \
1722         strnlen \
1723         strlcpy \
1724         strsep \
1725         tdelete \
1726         tfind \
1727         tsearch \
1728         twalk \
1729         unsetenv \
1730         verr \
1731         verrx \
1732         vsyslog \
1733         vwarn \
1734         vwarnx \
1735         warn \
1736         warnx \
1737 ])
1738
1739 dnl Headers that we're going to try and get from libroken
1740 AC_CHECK_HEADERS([ \
1741         err.h \
1742         search.h \
1743 ])
1744
1745 AC_CHECK_DECLS([h_errno], [], [], [
1746 #include <sys/types.h>
1747 #ifdef HAVE_NETDB_H
1748 #include <netdb.h>
1749 #endif
1750 ])
1751
1752 AC_HEADER_TIME
1753
1754 ROKEN_HEADERS=
1755 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1756       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1757       [])
1758 AC_SUBST(ROKEN_HEADERS)
1759
1760 dnl Stuff that's harder ...
1761 AC_MSG_CHECKING([for bswap16])
1762 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1763 #ifdef HAVE_SYS_TYPES_H
1764 #include <sys/types.h>
1765 #endif
1766 #ifdef HAVE_SYS_BSWAP_H
1767 #include <sys/bswap.h>
1768 #endif
1769 ],
1770 [short a, b; b = bswap16(a); ])],
1771 [AC_MSG_RESULT(yes)
1772  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1773 ],
1774 [AC_MSG_RESULT(no)])
1775
1776 AC_MSG_CHECKING([for bswap32])
1777 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1778 #include <sys/types.h>
1779 #endif
1780 #ifdef HAVE_SYS_BSWAP_H
1781 #include <sys/bswap.h>
1782 #endif
1783 ],
1784 [int a, b; b = bswap32(a); ])],
1785 [AC_MSG_RESULT(yes)
1786  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1787 ],
1788 [AC_MSG_RESULT(no)])
1789
1790 case $AFS_SYSNAME in
1791 *hp_ux* | *hpux*)
1792    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1793    ;;
1794 *)
1795    AC_MSG_CHECKING([for positional I/O])
1796    if test "$ac_cv_func_pread" = "yes" && \
1797            test "$ac_cv_func_pwrite" = "yes"; then
1798       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1799       AC_MSG_RESULT(yes)
1800    else
1801      AC_MSG_RESULT(no)
1802    fi
1803    AC_MSG_CHECKING([for vectored positional I/O])
1804    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1805                "$ac_cv_func_pwritev" = "yes" -a \
1806                "$ac_cv_func_preadv64" = "yes" -a \
1807                "$ac_cv_func_pwritev64" = "yes"],
1808          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1809           AC_MSG_RESULT(yes)],
1810          [AC_MSG_RESULT(no)])
1811    ;;
1812 esac
1813
1814 AC_MSG_CHECKING([for POSIX regex library])
1815 if test "$ac_cv_header_regex_h" = "yes" && \
1816         test "$ac_cv_func_regcomp" = "yes" && \
1817         test "$ac_cv_func_regexec" = "yes" && \
1818         test "$ac_cv_func_regerror" = "yes"; then
1819     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1820     AC_MSG_RESULT(yes)
1821 else
1822     AC_MSG_RESULT(no)
1823 fi
1824
1825 dnl Look for "non-portable" pthreads functions.
1826 save_LIBS="$LIBS"
1827 LIBS="$LIBS $PTHREAD_LIBS"
1828 AC_CHECK_FUNCS([ \
1829         pthread_set_name_np \
1830         pthread_setname_np \
1831 ])
1832
1833 dnl Sadly, there are three different versions of pthread_setname_np.
1834 dnl Try to cater for all of them.
1835 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1836     AC_MSG_CHECKING([for signature of pthread_setname_np])
1837     AC_TRY_COMPILE([
1838 #include <pthread.h>
1839 #ifdef HAVE_PTHREAD_NP_H
1840 #include <pthread_np.h>
1841 #endif
1842 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1843         AC_MSG_RESULT([three arguments])
1844         pthread_setname_np_args=3], [
1845         AC_TRY_COMPILE([
1846 #include <pthread.h>
1847 #ifdef HAVE_PTHREAD_NP_H
1848 #include <pthread_np.h>
1849 #endif
1850 ], [pthread_setname_np(pthread_self(), "test")], [
1851             AC_MSG_RESULT([two arguments])
1852             pthread_setname_np_args=2], [
1853             AC_TRY_COMPILE([
1854 #include <pthread.h>
1855 #ifdef HAVE_PTHREAD_NP_H
1856 #include <pthread_np.h>
1857 #endif
1858 ], [pthread_setname_np("test")], [
1859                 AC_MSG_RESULT([one argument])
1860                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1861 ])
1862 ])
1863 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1864 fi
1865 LIBS="$save_LIBS"
1866
1867 openafs_cv_saved_CFLAGS="$CFLAGS"
1868 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1869
1870 AC_TYPE_SIGNAL
1871 OPENAFS_RETSIGTYPE
1872 AC_CHECK_SIZEOF(void *)
1873 AC_CHECK_SIZEOF(unsigned long long)
1874 AC_CHECK_SIZEOF(unsigned long)
1875 AC_CHECK_SIZEOF(unsigned int)
1876 AC_TYPE_INTPTR_T
1877 AC_TYPE_UINTPTR_T
1878 AC_TYPE_SSIZE_T
1879 AC_CHECK_TYPE([sig_atomic_t],[],
1880     [AC_DEFINE([sig_atomic_t], [int],
1881         [Define to int if <signal.h> does not define.])],
1882 [#include <sys/types.h>
1883 #include <signal.h>])
1884 AC_CHECK_TYPE([socklen_t],[],
1885     [AC_DEFINE([socklen_t], [int],
1886         [Define to int if <sys/socket.h> does not define.])],
1887 [#include <sys/types.h>
1888 #include <sys/socket.h>])
1889 AC_CHECK_TYPES(off64_t)
1890 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1891 AC_CHECK_TYPES([struct winsize], [], [], [
1892 #ifdef HAVE_TERMIOS_H
1893 # include <termios.h>
1894 #else
1895 # include <sys/termios.h>
1896 #endif
1897 #include <sys/ioctl.h>])
1898 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1899                 struct sockaddr_storage],
1900                [], [], [
1901 #include <sys/types.h>
1902 #include <sys/socket.h>
1903 ])
1904 AC_CHECK_TYPES([sa_family_t], [], [], [
1905 #include <sys/types.h>
1906 #include <sys/socket.h>
1907 ])
1908 AC_CHECK_TYPES([struct addrinfo], [], [], [
1909 #include <sys/types.h>
1910 #ifdef HAVE_NETDB_H
1911 #include <netdb.h>
1912 #endif
1913 ])
1914 AC_CHECK_TYPES([long long], [], [], [])
1915
1916 AC_SIZEOF_TYPE(long)
1917
1918 CFLAGS="$openafs_cv_saved_CFLAGS"
1919
1920 RRA_HEADER_PAM_CONST
1921
1922
1923 dnl Directory PATH handling
1924 if test "x$enable_transarc_paths" = "xyes"  ; then 
1925     afsconfdir=${afsconfdir=/usr/afs/etc}
1926     viceetcdir=${viceetcdir=/usr/vice/etc}
1927     afskerneldir=${afskerneldir=${viceetcdir}}
1928     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1929     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1930     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1931     afsdbdir=${afsdbdir=/usr/afs/db}
1932     afslogsdir=${afslogsdir=/usr/afs/logs}
1933     afslocaldir=${afslocaldir=/usr/afs/local}
1934     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1935     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1936     afsdatadir=${afsdatadir=/usr/vice/etc}
1937 else 
1938     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1939     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1940     afskerneldir=${afskerneldir='${libdir}/openafs'}
1941     afssrvbindir=${afssrvbindir='${bindir}'}
1942     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1943     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1944     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1945     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1946     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1947     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1948     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1949     afsdatadir=${afsdatadir='${datadir}/openafs'}
1950 fi
1951 AC_SUBST(afsconfdir)
1952 AC_SUBST(viceetcdir)
1953 AC_SUBST(afskerneldir)
1954 AC_SUBST(afssrvbindir)
1955 AC_SUBST(afssrvsbindir)
1956 AC_SUBST(afssrvlibexecdir)
1957 AC_SUBST(afsdbdir)
1958 AC_SUBST(afslogsdir)
1959 AC_SUBST(afslocaldir)
1960 AC_SUBST(afsbackupdir)
1961 AC_SUBST(afsbosconfigdir)
1962 AC_SUBST(afsdatadir)
1963
1964 if test "x$enable_kernel_module" = "xyes"; then
1965 ENABLE_KERNEL_MODULE=libafs
1966 fi
1967
1968 if test "x$enable_pthreaded_ubik" = "xyes"; then
1969 ENABLE_PTHREADED_UBIK=yes
1970 fi
1971
1972 AC_SUBST(VFSCK)
1973 AC_SUBST(AFS_SYSNAME)
1974 AC_SUBST(AFS_PARAM_COMMON)
1975 AC_SUBST(ENABLE_KERNEL_MODULE)
1976 AC_SUBST(ENABLE_PTHREADED_UBIK)
1977 AC_SUBST(LIB_AFSDB)
1978 AC_SUBST(LINUX_KERNEL_PATH)
1979 AC_SUBST(LINUX_KERNEL_BUILD)
1980 AC_SUBST(HOST_CPU)
1981 AC_SUBST(BSD_KERNEL_PATH)
1982 AC_SUBST(BSD_KERNEL_BUILD)
1983 AC_SUBST(LINUX_VERSION)
1984 AC_SUBST(MKAFS_OSTYPE)
1985 AC_SUBST(TOP_OBJDIR)
1986 AC_SUBST(TOP_SRCDIR)
1987 AC_SUBST(TOP_INCDIR)
1988 AC_SUBST(TOP_LIBDIR)
1989 AC_SUBST(DEST)
1990 AC_SUBST(DARWIN_INFOFILE)
1991 AC_SUBST(IRIX_BUILD_IP35)
1992 AC_SUBST(HTML_XSL)
1993 AC_SUBST(XSLTPROC)
1994 AC_SUBST(DOCBOOK2PDF)
1995 AC_SUBST(DOCBOOK_STYLESHEETS)
1996
1997 OPENAFS_FUSE
1998 OPENAFS_SWIG
1999
2000 TOP_SRCDIR="${srcdir}/src"
2001 dnl
2002 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
2003 dnl
2004 case $TOP_SRCDIR in
2005         /*)
2006                 ;;
2007         *)
2008                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
2009                 ;;
2010 esac
2011
2012 TOP_OBJDIR="${SRCDIR_PARENT}"
2013 TOP_INCDIR="${SRCDIR_PARENT}/include"
2014 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
2015 if test "${DEST}x" = "x"; then
2016         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
2017 fi
2018
2019 if test "x$with_crosstools_dir" != "x"; then
2020         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
2021                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
2022                 CONFIGTOOL_PATH=$with_crosstools_dir/config
2023                 RXGEN_PATH=$with_crosstools_dir/rxgen
2024         else
2025                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
2026                 exit 1
2027         fi
2028 else
2029         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
2030         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
2031         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
2032 fi
2033 AC_SUBST(COMPILE_ET_PATH)
2034 AC_SUBST(CONFIGTOOL_PATH)
2035 AC_SUBST(RXGEN_PATH)
2036
2037 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
2038 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
2039 AC_SUBST(HELPER_SPLINT)
2040 AC_SUBST(HELPER_SPLINTCFG)
2041
2042 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
2043
2044 dnl Check to see if crypt lives in a different library
2045 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
2046 AC_SUBST(LIB_crypt)
2047
2048 dnl Check to see if the compiler support labels in structs
2049 AC_MSG_CHECKING(for label support in structs)
2050 AC_TRY_COMPILE([], [
2051 extern void osi_UFSOpen(void);
2052 struct labeltest {
2053    void (*open) (void);
2054 };
2055 struct labeltest struct_labeltest = {
2056    .open       = osi_UFSOpen,
2057 }
2058 ],
2059 [AC_MSG_RESULT(yes)
2060  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
2061 ],
2062 [AC_MSG_RESULT(no)
2063 ])
2064
2065 AC_MSG_CHECKING([checking for dirfd])
2066 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
2067 #ifdef HAVE_DIRENT_H
2068 #include <dirent.h>
2069 #endif
2070 ]],
2071         [[DIR *d = 0; dirfd(d);]])],
2072         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
2073 if test "$ac_rk_have_dirfd" = "yes" ; then
2074         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
2075 fi
2076 AC_MSG_RESULT($ac_rk_have_dirfd)
2077
2078 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
2079 #ifdef HAVE_DIRENT_H
2080 #include <dirent.h>
2081 #endif])
2082
2083 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
2084 [#ifdef HAVE_SYS_RESOURCE_H
2085 #include <sys/resource.h>
2086 #endif])
2087
2088 dnl Check for UUID library
2089 AC_CHECK_HEADERS([uuid/uuid.h])
2090 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
2091 AC_CHECK_FUNCS([uuid_generate])
2092 ])
2093
2094