Linux: Include linux/uaccess.h rather than asm/uaccess.h if present
[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                 SOLARIS_PATH_CC
465                 SOLARIS_CC_TAKES_XVECTOR_NONE
466                 AC_SUBST(SOLARIS_CC_KOPTS)
467                 SOLARIS_UFSVFS_HAS_DQRWLOCK
468                 SOLARIS_FS_HAS_FS_ROLLED
469                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
470                 SOLARIS_HAVE_VN_RENAMEPATH
471                 ;;
472         *-sunos*)
473                 MKAFS_OSTYPE=SUNOS
474                 enable_kernel_module=no
475                 AC_MSG_RESULT(sun4)
476                 ;;
477         *-hpux*)
478                 MKAFS_OSTYPE=HPUX
479                 AC_MSG_RESULT(hp_ux)
480                 if test -f "/usr/old/usr/include/ndir.h"; then
481                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
482                 fi
483                 ;;
484         *-irix*)
485                 if test -d /usr/include/sys/SN/SN1; then
486                  IRIX_BUILD_IP35="IP35"
487                 fi
488                 MKAFS_OSTYPE=IRIX
489                 AC_MSG_RESULT(sgi)
490                 ;;
491         *-aix*)
492                 MKAFS_OSTYPE=AIX
493                 AC_MSG_RESULT(rs_aix)
494                 ;;
495         arm-*-darwin*)
496                 MKAFS_OSTYPE=DARWIN
497                 AC_MSG_RESULT(arm_darwin)
498                 ;;
499         powerpc-*-darwin*)
500                 MKAFS_OSTYPE=DARWIN
501                 AC_MSG_RESULT(ppc_darwin)
502                 ;;
503         i386-*-darwin*)
504                 MKAFS_OSTYPE=DARWIN
505                 AC_MSG_RESULT(x86_darwin)
506                 ;;
507         x86_64-*-darwin*)
508                 MKAFS_OSTYPE=DARWIN
509                 AC_MSG_RESULT(x86_darwin)
510                 ;;
511         i386-*-freebsd*)
512                 MKAFS_OSTYPE=FBSD
513                 AC_MSG_RESULT(i386_fbsd)
514                 ;;
515         x86_64-*-freebsd*)
516                 MKAFS_OSTYPE=FBSD
517                 AC_MSG_RESULT(amd64_fbsd)
518                 ;;
519         *-netbsd*)
520                 MKAFS_OSTYPE=NBSD
521                 AC_MSG_RESULT(nbsd)
522                 ;;
523         x86_64-*-openbsd*)
524                 MKAFS_OSTYPE=OBSD
525                 AC_MSG_RESULT(amd64_obsd)
526                 ;;
527         i386-*-openbsd*)
528                 MKAFS_OSTYPE=OBSD
529                 AC_MSG_RESULT(i386_obsd)
530                 ;;
531         *-dragonfly*)
532                 MKAFS_OSTYPE=DFBSD
533                 AC_MSG_RESULT(i386_dfbsd)
534                 ;;
535         *)
536                 AC_MSG_RESULT($system)
537                 ;;
538 esac
539
540 if test "x$with_afs_sysname" != "x"; then
541         AFS_SYSNAME="$with_afs_sysname"
542 else
543         AC_MSG_CHECKING(your AFS sysname)
544         case $host in
545                 i?86-*-openbsd?.?)
546                         v=${host#*openbsd}
547                         vM=${v%.*}
548                         vm=${v#*.}
549                         AFS_SYSNAME="i386_obsd${vM}${vm}"
550                         ;;
551                 sparc64-*-openbsd?.?)
552                         v=${host#*openbsd}
553                         vM=${v%.*}
554                         vm=${v#*.}
555                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
556                         ;;
557                 x86_64-*-openbsd?.?)
558                         v=${host#*openbsd}
559                         vM=${v%.*}
560                         vm=${v#*.}
561                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
562                         ;;
563                 i?86-*-freebsd*.*)
564                         v=${host#*freebsd}
565                         vM=${v%.*}
566                         vm=${v#*.}
567                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
568                         ;;
569                 x86_64-*-freebsd*.*)
570                         v=${host#*freebsd}
571                         vM=${v%.*}
572                         vm=${v#*.}
573                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
574                         ;;
575                 i386-*-dragonfly?.*)
576                         v=${host#*dragonfly}
577                         vM=${v%.*}
578                         vm=${v#*.}
579                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
580                         ;;
581                 i?86-*-netbsd*1.6[[M-Z]]*)
582                         AFS_SYSNAME="i386_nbsd20"
583                         ;;
584                 powerpc-*-netbsd*1.6[[M-Z]]*)
585                         AFS_SYSNAME="ppc_nbsd20"
586                         ;;
587                 *-*-netbsd*)
588                         arch=${host%%-unknown*}
589                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
590                                                -e 's/powerpc/ppc/g')
591                         v=${host#*netbsd}
592                         v=${v#*aout}
593                         v=${v#*ecoff}
594                         v=${v#*elf}
595                         vM=${v%%.*}
596                         vM=${vM%.*}
597                         v=${v#*.}
598                         vm=${v%%.*}
599                         vm=${vm%.*}
600                         vm=${vm%%[[_A-Z]]*}
601                         if test $vm -eq 99 ; then
602                                 vM=$((vM+1))
603                         fi
604                         if test $vM -gt 1 ; then
605                                 vm=0
606                         fi
607                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
608                         ;;
609                 hppa*-hp-hpux11.0*)
610                         AFS_SYSNAME="hp_ux110"
611                         ;;
612                 hppa*-hp-hpux11.11)
613                         AFS_SYSNAME="hp_ux11i"
614                         ;;
615                 hppa*-hp-hpux11.23)
616                         AFS_SYSNAME="hp_ux1123"
617                         ;;
618                 ia64-hp-hpux11.22)
619                         AFS_SYSNAME="ia64_hpux1122"
620                         ;;
621                 ia64-hp-hpux*)
622                         AFS_SYSNAME="ia64_hpux1123"
623                         ;;
624                 hppa*-hp-hpux10*)
625                         AFS_SYSNAME="hp_ux102"
626                         ;;
627                 powerpc-apple-darwin7*)
628                         AFS_SYSNAME="ppc_darwin_70"
629                         OSXSDK="macosx10.3"
630                         ;;
631                 powerpc-apple-darwin8.*)
632                         AFS_SYSNAME="ppc_darwin_80"
633                         OSXSDK="macosx10.4"
634                         ;;
635                 i386-apple-darwin8.*)
636                         AFS_SYSNAME="x86_darwin_80"
637                         OSXSDK="macosx10.4"
638                         ;;
639                 powerpc-apple-darwin9.*)
640                         AFS_SYSNAME="ppc_darwin_90"
641                         OSXSDK="macosx10.5"
642                         ;;
643                 i386-apple-darwin9.*)
644                         AFS_SYSNAME="x86_darwin_90"
645                         OSXSDK="macosx10.5"
646                         ;;
647                 i?86-apple-darwin10.*)
648                         AFS_SYSNAME="x86_darwin_100"
649                         OSXSDK="macosx10.6"
650                         ;;
651                 x86_64-apple-darwin10.*)
652                         AFS_SYSNAME="x86_darwin_100"
653                         OSXSDK="macosx10.6"
654                         ;;
655                 arm-apple-darwin10.*)
656                         AFS_SYSNAME="arm_darwin_100"
657                         OSXSDK="iphoneos4.0"
658                         ;;
659                 x86_64-apple-darwin11.*)
660                         AFS_SYSNAME="x86_darwin_110"
661                         OSXSDK="macosx10.7"
662                         ;;
663                 i?86-apple-darwin11.*)
664                         AFS_SYSNAME="x86_darwin_110"
665                         OSXSDK="macosx10.7"
666                         ;;
667                 x86_64-apple-darwin12.*)
668                         AFS_SYSNAME="x86_darwin_120"
669                         OSXSDK="macosx10.8"
670                         ;;
671                 i?86-apple-darwin12.*)
672                         AFS_SYSNAME="x86_darwin_120"
673                         OSXSDK="macosx10.8"
674                         ;;
675                 x86_64-apple-darwin13.*)
676                         AFS_SYSNAME="x86_darwin_130"
677                         OSXSDK="macosx10.9"
678                         ;;
679                 i?86-apple-darwin13.*)
680                         AFS_SYSNAME="x86_darwin_130"
681                         OSXSDK="macosx10.9"
682                         ;;
683                 x86_64-apple-darwin14.*)
684                         AFS_SYSNAME="x86_darwin_140"
685                         OSXSDK="macosx10.10"
686                         ;;
687                 i?86-apple-darwin14.*)
688                         AFS_SYSNAME="x86_darwin_140"
689                         OSXSDK="macosx10.10"
690                         ;;
691                 x86_64-apple-darwin15.*)
692                         AFS_SYSNAME="x86_darwin_150"
693                         OSXSDK="macosx10.11"
694                         ;;
695                 i?86-apple-darwin15.*)
696                         AFS_SYSNAME="x86_darwin_150"
697                         OSXSDK="macosx10.11"
698                         ;;
699                 x86_64-apple-darwin16.*)
700                         AFS_SYSNAME="x86_darwin_160"
701                         OSXSDK="macosx10.12"
702                         ;;
703                 i?86-apple-darwin16.*)
704                         AFS_SYSNAME="x86_darwin_160"
705                         OSXSDK="macosx10.12"
706                         ;;
707                 sparc-sun-solaris2.8)
708                         AFS_SYSNAME="sun4x_58"
709                         ;;
710                 sparc-sun-solaris2.9)
711                         AFS_SYSNAME="sun4x_59"
712                         ;;
713                 sparc-sun-solaris2.10)
714                         AFS_SYSNAME="sun4x_510"
715                         ;;
716                 sparc-sun-solaris2.11)
717                         AFS_SYSNAME="sun4x_511"
718                         ;;
719                 i386-pc-solaris2.8)
720                         AFS_SYSNAME="sunx86_58"
721                         ;;
722                 i386-pc-solaris2.9)
723                         AFS_SYSNAME="sunx86_59"
724                         ;;
725                 i386-pc-solaris2.10)
726                         AFS_SYSNAME="sunx86_510"
727                         ;;
728                 i386-pc-solaris2.11)
729                         AFS_SYSNAME="sunx86_511"
730                         ;;
731                 alpha*-dec-osf4.0*)
732                         AFS_SYSNAME="alpha_dux40"
733                         ;;
734                 alpha*-dec-osf5.0*)
735                         AFS_SYSNAME="alpha_dux50"
736                         ;;
737                 alpha*-dec-osf5.1*)
738                         AFS_SYSNAME="alpha_dux51"
739                         ;;
740                 mips-sgi-irix6.5)
741                         AFS_SYSNAME="sgi_65"
742                         enable_pam="no"
743                         ;;
744                 ia64-*-linux*)
745                         AFS_SYSNAME="ia64_linuxXX"
746                         ;;
747                 powerpc-*-linux*)
748                         AFS_SYSNAME="`/bin/arch`_linuxXX"
749                         ;;
750                 powerpc64-*-linux*)
751                         AFS_SYSNAME="ppc64_linuxXX"
752                         ;;
753                 alpha*-linux*)
754                         AFS_SYSNAME="alpha_linux_XX"
755                         ;;
756                 s390-*-linux*)
757                         AFS_SYSNAME="s390_linuxXX"
758                         ;;
759                 s390x-*-linux*)
760                         AFS_SYSNAME="s390x_linuxXX"
761                         ;;
762                 sparc-*-linux*)
763                         AFS_SYSNAME="`/bin/arch`_linuxXX"
764                         ;;
765                 sparc64-*-linux*)
766                         AFS_SYSNAME="sparc64_linuxXX"
767                         ;;
768                 i?86-*-linux*)
769                         AFS_SYSNAME="i386_linuxXX"
770                         ;;
771                 arm*-linux*)
772                         AFS_SYSNAME="arm_linuxXX"
773                         ;;
774                 parisc-*-linux-gnu|hppa-*-linux-gnu)
775                         AFS_SYSNAME="parisc_linuxXX"
776                         enable_pam="no"
777                         ;;
778                 power*-ibm-aix4.2*)
779                         AFS_SYSNAME="rs_aix42"
780                         enable_pam="no"
781                         ;;
782                 power*-ibm-aix4.3*)
783                         AFS_SYSNAME="rs_aix42"
784                         enable_pam="no"
785                         ;;
786                 power*-ibm-aix5.1*)
787                         AFS_SYSNAME="rs_aix51"
788                         enable_pam="no"
789                         ;;
790                 power*-ibm-aix5.2*)
791                         AFS_SYSNAME="rs_aix52"
792                         enable_pam="no"
793                         ;;
794                 power*-ibm-aix5.3*)
795                         AFS_SYSNAME="rs_aix53"
796                         enable_pam="no"
797                         ;;
798                 power*-ibm-aix6.1*)
799                         AFS_SYSNAME="rs_aix61"
800                         enable_pam="no"
801                         ;;
802                 x86_64-*-linux-gnu)
803                         AFS_SYSNAME="amd64_linuxXX"
804                         enable_pam="yes"
805                         ;;
806                 *)
807                         AC_MSG_ERROR(An AFS sysname is required)
808                         exit 1
809                         ;;
810         esac
811         case $AFS_SYSNAME in
812                 *_linux* | *_umlinux*)
813                         if test "x${AFS_SYSKVERS}" = "x"; then
814                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
815                         fi
816                         if test "x${AFS_SYSKVERS}" = "x24" ||
817                                 test "x${AFS_SYSKVERS}" = "x22"; then
818                             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.])
819                         fi
820                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
821                         AFS_SYSNAME="$_AFS_SYSNAME"
822                         AC_TRY_KBUILD(
823                          [],
824                          [#ifndef CONFIG_USERMODE
825                           #error not UML
826                           #endif],
827                          ac_cv_linux_is_uml=yes,)
828                         if test "${ac_cv_linux_is_uml}" = yes; then
829                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
830                         fi
831                         AFS_SYSNAME="$_AFS_SYSNAME"
832                         ;;
833         esac
834         AC_MSG_RESULT($AFS_SYSNAME)
835 fi
836
837 case $AFS_SYSNAME in
838         *_darwin*)
839                 AC_CHECK_HEADERS(crt_externs.h)
840                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
841                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
842                 AC_SUBST(OSXSDK)
843                 ;;
844 esac
845
846 dnl Some hosts have a separate common param file they should include.  Figure
847 dnl out if we're on one of them now that we know the sysname.
848 case $AFS_SYSNAME in
849     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
850     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
851     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
852     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
853     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
854     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
855     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
856     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
857     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
858     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
859     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
860     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
861     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
862     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
863     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
864     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
865     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
866     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
867     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
868     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
869     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
870     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
871     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
872     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
873     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
874     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
875     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
876     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
877     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
878     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
879     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
880     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
881     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
882     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
883 # Linux alpha adds an extra underscore for no good reason.
884     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
885     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
886 esac
887
888 OPENAFS_OSCONF
889
890 case $AFS_SYSNAME in *_linux* | *_umlinux*)
891
892                 # Add (sub-) architecture-specific paths needed by conftests
893                 case $AFS_SYSNAME  in
894                         *_umlinux26)
895                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
896                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
897                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
898                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
899                 esac
900
901                 if test "x$enable_kernel_module" = "xyes"; then
902                  if test "x$enable_debug_kernel" = "xno"; then
903                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
904                  fi
905                  OPENAFS_GCC_SUPPORTS_MARCH
906                  AC_SUBST(P5PLUS_KOPTS)
907                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
908                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
909                  OPENAFS_GCC_SUPPORTS_NO_COMMON
910                  OPENAFS_GCC_SUPPORTS_PIPE
911                  AC_SUBST(LINUX_GCC_KOPTS)
912
913                  dnl Setup the kernel build environment
914                  LINUX_KBUILD_USES_EXTRA_CFLAGS
915                  LINUX_KERNEL_COMPILE_WORKS
916
917                  dnl Operation signature checks
918                  AC_CHECK_LINUX_OPERATION([inode_operations], [follow_link], [no_nameidata],
919                                           [#include <linux/fs.h>],
920                                           [const char *],
921                                           [struct dentry *dentry, void **link_data])
922                  AC_CHECK_LINUX_OPERATION([inode_operations], [put_link], [no_nameidata],
923                                           [#include <linux/fs.h>],
924                                           [void],
925                                           [struct inode *inode, void *link_data])
926                  AC_CHECK_LINUX_OPERATION([inode_operations], [rename], [takes_flags],
927                                           [#include <linux/fs.h>],
928                                           [int],
929                                           [struct inode *oinode, struct dentry *odentry,
930                                                 struct inode *ninode, struct dentry *ndentry,
931                                                 unsigned int flags])
932
933                  dnl Check for header files
934                  AC_CHECK_LINUX_HEADER([cred.h])
935                  AC_CHECK_LINUX_HEADER([config.h])
936                  AC_CHECK_LINUX_HEADER([exportfs.h])
937                  AC_CHECK_LINUX_HEADER([freezer.h])
938                  AC_CHECK_LINUX_HEADER([key-type.h])
939                  AC_CHECK_LINUX_HEADER([semaphore.h])
940                  AC_CHECK_LINUX_HEADER([seq_file.h])
941                  AC_CHECK_LINUX_HEADER([sched/signal.h])
942                  AC_CHECK_LINUX_HEADER([uaccess.h])
943
944                  dnl Type existence checks
945                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
946                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
947
948                  dnl Check for structure elements
949                  AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
950                  AC_CHECK_LINUX_STRUCT([address_space_operations],
951                                        [write_begin], [fs.h])
952                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
953                                        [backing-dev.h])
954                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
955                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
956                  AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
957                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
958                  AC_CHECK_LINUX_STRUCT([group_info], [gid], [cred.h])
959                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
960                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
961                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
962                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
963                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
964                  AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
965                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
966                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
967                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
968                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
969                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
970                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
971                  AC_CHECK_LINUX_STRUCT([inode_operations], [get_link], [fs.h])
972                  AC_CHECK_LINUX_STRUCT([key], [payload.value], [key.h])
973                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
974                  AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
975                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
976                  AC_CHECK_LINUX_STRUCT([msghdr], [msg_iter], [socket.h])
977                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
978                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
979                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
980                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
981                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
982                                        [fs.h])
983                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
984                                        [fs.h])
985                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
986                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
987                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
988                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
989                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
990                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
991                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
992                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
993                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
994                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
995                  AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h])
996                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
997
998                  dnl Check for typed structure elements
999                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
1000                                              [buf], [fs.h])
1001
1002                  dnl Function existence checks
1003
1004                  AC_CHECK_LINUX_FUNC([__vfs_read],
1005                                      [#include <linux/fs.h>],
1006                                      [__vfs_read(NULL, NULL, 0, NULL);])
1007                  AC_CHECK_LINUX_FUNC([bdi_init],
1008                                      [#include <linux/backing-dev.h>],
1009                                      [bdi_init(NULL);])
1010                  AC_CHECK_LINUX_FUNC([super_setup_bdi],
1011                                      [#include <linux/backing-dev.h>],
1012                                      [struct super_block *sb;
1013                                       super_setup_bdi(sb);])
1014                  AC_CHECK_LINUX_FUNC([PageChecked],
1015                                      [#include <linux/mm.h>
1016 #include <linux/page-flags.h>],
1017                                      [struct page *_page;
1018                                       int bchecked = PageChecked(_page);])
1019                  AC_CHECK_LINUX_FUNC([PageFsMisc],
1020                                      [#include <linux/mm.h>
1021 #include <linux/page-flags.h>],
1022                                      [struct page *_page;
1023                                       int bchecked = PageFsMisc(_page);])
1024                  AC_CHECK_LINUX_FUNC([clear_inode],
1025                                      [#include <linux/fs.h>],
1026                                      [clear_inode(NULL);])
1027                  AC_CHECK_LINUX_FUNC([current_kernel_time],
1028                                      [#include <linux/time.h>],
1029                                      [struct timespec s;
1030                                       s = current_kernel_time();])
1031                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
1032                                      [#include <linux/fs.h>],
1033                                      [d_alloc_anon(NULL);])
1034                  AC_CHECK_LINUX_FUNC([d_count],
1035                                      [#include <linux/dcache.h>],
1036                                      [d_count(NULL);])
1037                  AC_CHECK_LINUX_FUNC([d_make_root],
1038                                      [#include <linux/fs.h>],
1039                                      [d_make_root(NULL);])
1040                  AC_CHECK_LINUX_FUNC([do_sync_read],
1041                                      [#include <linux/fs.h>],
1042                                      [do_sync_read(NULL, NULL, 0, NULL);])
1043                  AC_CHECK_LINUX_FUNC([file_dentry],
1044                                      [#include <linux/fs.h>],
1045                                      [struct file *f; file_dentry(f);])
1046                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
1047                                      [#include <linux/sched.h>],
1048                                      [pid_t p; find_task_by_pid(p);])
1049                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
1050                                      [#include <linux/fs.h>],
1051                                      [generic_file_aio_read(NULL,NULL,0,0);])
1052                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
1053                                      [#include <linux/pagemap.h>],
1054                                      [grab_cache_page_write_begin(NULL, 0, 0);])
1055                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
1056                                      [#include <linux/list.h>],
1057                                      [hlist_unhashed(0);])
1058                  AC_CHECK_LINUX_FUNC([ihold],
1059                                      [#include <linux/fs.h>],
1060                                      [ihold(NULL);])
1061                  AC_CHECK_LINUX_FUNC([i_size_read],
1062                                      [#include <linux/fs.h>],
1063                                      [i_size_read(NULL);])
1064                  AC_CHECK_LINUX_FUNC([inode_setattr],
1065                                      [#include <linux/fs.h>],
1066                                      [inode_setattr(NULL, NULL);])
1067                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
1068                                      [#include <linux/fs.h>],
1069                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
1070                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
1071                                      [#include <linux/net.h>],
1072                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
1073                  AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
1074                                      [#include <linux/fs.h>],
1075                                      [locks_lock_file_wait(NULL, NULL);])
1076                  AC_CHECK_LINUX_FUNC([page_follow_link],
1077                                      [#include <linux/fs.h>],
1078                                      [page_follow_link(0,0);])
1079                  AC_CHECK_LINUX_FUNC([page_get_link],
1080                                      [#include <linux/fs.h>],
1081                                      [page_get_link(0,0,0);])
1082                  AC_CHECK_LINUX_FUNC([page_offset],
1083                                      [#include <linux/pagemap.h>],
1084                                      [page_offset(NULL);])
1085                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
1086                                      [#include <linux/pagevec.h>],
1087                                      [__pagevec_lru_add_file(NULL);])
1088                  AC_CHECK_LINUX_FUNC([path_lookup],
1089                                      [#include <linux/fs.h>
1090                                       #include <linux/namei.h>],
1091                                      [path_lookup(NULL, 0, NULL);])
1092                  AC_CHECK_LINUX_FUNC([proc_create],
1093                                      [#include <linux/proc_fs.h>],
1094                                      [proc_create(NULL, 0, NULL, NULL);])
1095                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
1096                                      [#include <linux/rcupdate.h>],
1097                                      [rcu_read_lock();])
1098                  AC_CHECK_LINUX_FUNC([set_nlink],
1099                                      [#include <linux/fs.h>],
1100                                      [set_nlink(NULL, 1);])
1101                  AC_CHECK_LINUX_FUNC([setattr_prepare],
1102                                      [#include <linux/fs.h>],
1103                                      [setattr_prepare(NULL, NULL);])
1104                  AC_CHECK_LINUX_FUNC([sock_create_kern],
1105                                      [#include <linux/net.h>],
1106                                      [sock_create_kern(0, 0, 0, NULL);])
1107                  AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
1108                                      [#include <linux/net.h>],
1109                                      [sock_create_kern(NULL, 0, 0, 0, NULL);])
1110                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
1111                                      [#include <linux/splice.h>],
1112                                      [splice_direct_to_actor(NULL,NULL,NULL);])
1113                  AC_CHECK_LINUX_FUNC([default_file_splice_read],
1114                                      [#include <linux/fs.h>],
1115                                      [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
1116                  AC_CHECK_LINUX_FUNC([svc_addr_in],
1117                                      [#include <linux/sunrpc/svc.h>],
1118                                      [svc_addr_in(NULL);])
1119                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1120                                      [#include <linux/highmem.h>],
1121                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1122                  AC_CHECK_LINUX_FUNC([noop_fsync],
1123                                      [#include <linux/fs.h>],
1124                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1125                  AC_CHECK_LINUX_FUNC([kthread_run],
1126                                      [#include <linux/kernel.h>
1127                                       #include <linux/kthread.h>],
1128                                      [kthread_run(NULL, NULL, "test");])
1129                  AC_CHECK_LINUX_FUNC([inode_nohighmem],
1130                                      [#include <linux/fs.h>],
1131                                      [inode_nohighmem(NULL);])
1132                  AC_CHECK_LINUX_FUNC([inode_lock],
1133                                      [#include <linux/fs.h>],
1134                                      [inode_lock(NULL);])
1135
1136                  dnl Consequences - things which get set as a result of the
1137                  dnl                above tests
1138                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1139                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1140                                   [define to disable the nfs translator])])
1141
1142                  dnl Assorted more complex tests
1143                  LINUX_AIO_NONVECTOR
1144                  LINUX_EXPORTS_PROC_ROOT_FS
1145                  LINUX_KMEM_CACHE_INIT
1146                  LINUX_HAVE_KMEM_CACHE_T
1147                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1148                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1149                  LINUX_D_PATH_TAKES_STRUCT_PATH
1150                  LINUX_NEW_EXPORT_OPS
1151                  LINUX_INODE_SETATTR_RETURN_TYPE
1152                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1153                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1154                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1155                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1156                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1157                  LINUX_DOP_D_DELETE_TAKES_CONST
1158                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1159                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1160                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1161                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1162                  LINUX_AOP_WRITEBACK_CONTROL
1163                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1164                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1165                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1166                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1167                  LINUX_KERNEL_SOCK_CREATE
1168                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1169                  LINUX_NEED_RHCONFIG
1170                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1171                  LINUX_EXPORTS_TASKLIST_LOCK
1172                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1173                  LINUX_STATFS_TAKES_DENTRY
1174                  LINUX_REFRIGERATOR
1175                  LINUX_HAVE_TRY_TO_FREEZE
1176                  LINUX_LINUX_KEYRING_SUPPORT
1177                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1178                  LINUX_KEY_ALLOC_NEEDS_CRED
1179                  LINUX_INIT_WORK_HAS_DATA
1180                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1181                  LINUX_HAVE_DCACHE_LOCK
1182                  LINUX_D_COUNT_IS_INT
1183                  LINUX_IOP_GETATTR_TAKES_PATH_STRUCT
1184                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1185                  LINUX_IOP_CREATE_TAKES_UMODE_T
1186                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1187                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1188                  LINUX_DENTRY_OPEN_TAKES_PATH
1189                  LINUX_D_ALIAS_IS_HLIST
1190                  LINUX_HLIST_ITERATOR_NO_NODE
1191                  LINUX_IOP_I_CREATE_TAKES_BOOL
1192                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1193                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1194                  LINUX_D_INVALIDATE_IS_VOID
1195
1196                  dnl If we are guaranteed that keyrings will work - that is
1197                  dnl  a) The kernel has keyrings enabled
1198                  dnl  b) The code is new enough to give us a key_type_keyring
1199                  dnl then we just disable syscall probing unless we've been
1200                  dnl told otherwise
1201
1202                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1203                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1204                           [enable_linux_syscall_probing="no"],
1205                           [enable_linux_syscall_probing="yes"])
1206                  ])
1207
1208                  dnl Syscall probing needs a few tests of its own, and just
1209                  dnl won't work if the kernel doesn't export init_mm
1210                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1211                    LINUX_EXPORTS_INIT_MM
1212                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1213                      AC_MSG_ERROR(
1214                        [Can't do syscall probing without exported init_mm])
1215                    ])
1216                    LINUX_EXPORTS_SYS_CHDIR
1217                    LINUX_EXPORTS_SYS_OPEN
1218                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1219                              [define to enable syscall table probes])
1220                  ])
1221
1222                  dnl Packaging and SMP build
1223                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1224                    LINUX_WHICH_MODULES
1225                  else
1226                    AC_SUBST(MPS,'SP')
1227                  fi
1228
1229                  dnl Syscall probing
1230                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1231                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1232                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1233                    ])
1234                    ac_cv_linux_exports_sys_call_table=no
1235                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1236                      ac_cv_linux_exports_ia32_sys_call_table=yes
1237                    fi
1238                  else
1239                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1240                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1241                    LINUX_EXPORTS_SYS_CALL_TABLE
1242                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1243                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1244                          linux_syscall_method=none
1245                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1246                             linux_syscall_method=scan
1247                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1248                                linux_syscall_method=scan_with_kallsyms_address
1249                             fi
1250                          fi
1251                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1252                             linux_syscall_method=kallsyms_symbol
1253                          fi
1254                          if test "x$linux_syscall_method" = "xnone"; then
1255                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1256                             linux_syscall_method=scan
1257                          fi
1258                    fi
1259                  fi
1260                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1261                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1262                  fi
1263                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1264                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1265                  fi
1266                  if test "x$ac_cv_linux_func_page_get_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1267                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1268                  else
1269                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1270                  fi
1271                  if test "x$ac_cv_linux_func_page_get_link" != "xyes" -a "x$ac_cv_linux_struct_inode_operations_has_get_link" = "xyes"; then
1272                         AC_MSG_ERROR([Your kernel does not use follow_link - not supported without symlink cache API])
1273                         exit 1
1274                  fi
1275                 :
1276                 fi
1277                 if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
1278                     AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
1279                 fi
1280 dnl Linux-only, but just enable always.
1281                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1282 esac
1283
1284 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1285     [ac_cv_sync_fetch_and_add],
1286     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1287                     [ac_cv_sync_fetch_and_add=yes],
1288                     [ac_cv_sync_fetch_and_add=no])
1289 ])
1290 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1291       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1292                 [define if your C compiler has __sync_add_and_fetch])])
1293
1294 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1295     [ac_cv_sockaddr_len],
1296     [AC_TRY_COMPILE( [#include <sys/types.h>
1297 #include <sys/socket.h>],
1298                      [struct sockaddr *a; a->sa_len=0;],
1299                      [ac_cv_sockaddr_len=yes],
1300                      [ac_cv_sockaddr_len=no])
1301 ])
1302 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1303       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1304                  [define if you struct sockaddr sa_len])])
1305
1306 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1307         echo Skipping library tests because they confuse Irix.
1308 else
1309   AC_SEARCH_LIBS([socket], [socket inet])
1310   AC_SEARCH_LIBS([connect], [nsl])
1311   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1312
1313   dnl darwin wants it, aix hates it
1314   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1315   AC_TRY_COMPILE([
1316   #include <stdlib.h>
1317   #include <stdio.h>
1318   #include <sys/types.h>
1319   #include <sys/socket.h>
1320   #include <netinet/in.h>
1321   #include <arpa/inet.h>
1322   #include <arpa/nameser.h>
1323   #include <arpa/nameser_compat.h>
1324   #include <resolv.h>
1325   ], [static int i; i = 0;],
1326   [AC_MSG_RESULT(yes)
1327    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1328   [AC_MSG_RESULT(no)
1329    ])
1330
1331   openafs_save_libs="$LIBS"
1332   AC_MSG_CHECKING([for res_search])
1333   AC_FUNC_RES_SEARCH
1334
1335   if test "$ac_cv_func_res_search" = no; then
1336       for lib in dns nsl resolv; do
1337         if test "$ac_cv_func_res_search" != yes; then
1338           LIBS="-l$lib $LIBS"
1339           AC_FUNC_RES_SEARCH
1340           LIBS="$openafs_save_libs"
1341         fi
1342       done    
1343       if test "$ac_cv_func_res_search" = yes; then
1344         LIB_AFSDB="-l$lib"
1345         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1346         AC_MSG_RESULT([yes, in lib$lib])
1347       else
1348         AC_MSG_RESULT(no)
1349       fi
1350   else
1351     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1352     AC_MSG_RESULT(yes)
1353   fi
1354   
1355 fi
1356 XLIBS="$LIB_AFSDB $XLIBS"
1357
1358 AC_CHECK_RESOLV_RETRANS
1359
1360 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1361     [ac_cv_setsockopt_iprecverr],
1362     [AC_TRY_COMPILE( [
1363 #include <sys/types.h>
1364 #include <sys/socket.h>
1365 #include <netinet/in.h>],
1366 [int on=1;
1367 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1368         [ac_cv_setsockopt_iprecverr=yes],
1369         [ac_cv_setsockopt_iprecverr=no])])
1370
1371 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1372       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1373                  [define if we can receive socket errors via IP_RECVERR])])
1374
1375 PTHREAD_LIBS=error
1376 if test "x$MKAFS_OSTYPE" = OBSD; then
1377         PTHREAD_LIBS="-pthread"
1378 fi
1379 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1380         PTHREAD_LIBS="-pthread"
1381 fi
1382 if test "x$PTHREAD_LIBS" = xerror; then
1383         AC_CHECK_LIB(pthread, pthread_attr_init,
1384                 PTHREAD_LIBS="-lpthread")
1385 fi
1386 if test "x$PTHREAD_LIBS" = xerror; then
1387         AC_CHECK_LIB(pthreads, pthread_attr_init,
1388                 PTHREAD_LIBS="-lpthreads")
1389 fi
1390 if test "x$PTHREAD_LIBS" = xerror; then
1391         AC_CHECK_LIB(c_r, pthread_attr_init,
1392                 PTHREAD_LIBS="-lc_r")
1393 fi
1394 if test "x$PTHREAD_LIBS" = xerror; then
1395         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1396 fi
1397 if test "x$PTHREAD_LIBS" = xerror; then
1398         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1399         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1400                 PTHREAD_LIBS="-lpthread")
1401 fi
1402 if test "x$PTHREAD_LIBS" = xerror; then
1403         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1404 fi
1405 AC_SUBST(PTHREAD_LIBS)
1406
1407 HOST_CPU="$host_cpu"
1408
1409 if test "x$with_bsd_kernel_headers" != "x"; then
1410         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1411 else
1412         BSD_KERNEL_PATH="/usr/src/sys"
1413 fi
1414
1415 if test "x$with_bsd_kernel_build" != "x"; then
1416         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1417 else
1418         case $AFS_SYSNAME in
1419                 *_fbsd_*)
1420                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1421                         ;;
1422                 *_nbsd*)
1423                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1424         esac
1425 fi
1426
1427 # Fast restart
1428 if test "$enable_supergroups" = "yes"; then
1429         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1430 fi
1431
1432 if test "$enable_bitmap_later" = "yes"; then
1433         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1434 fi
1435
1436 if test "$enable_unix_sockets" = "yes"; then
1437         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1438         USE_UNIX_SOCKETS="yes"
1439 else
1440         USE_UNIX_SOCKETS="no"
1441 fi
1442 AC_SUBST(USE_UNIX_SOCKETS)
1443
1444 if test "$enable_ubik_read_while_write" = "yes"; then
1445         AC_DEFINE(UBIK_READ_WHILE_WRITE, 1, [define if you want to enable ubik read while write])
1446 fi
1447
1448 if test "$enable_namei_fileserver" = "yes"; then
1449         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1450         VFSCK=""
1451 else
1452         if test "$enable_namei_fileserver" = "default"; then
1453                 case $host in
1454                         *-solaris2.10*)
1455                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1456                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1457                                 VFSCK=""
1458                                 ;;
1459                         *-solaris2.11*)
1460                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1461                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1462                                 VFSCK=""
1463                                 ;;
1464                         *)
1465                                 VFSCK="vfsck"
1466                                 ;;
1467                 esac
1468         else
1469                 VFSCK="vfsck"
1470         fi
1471 fi
1472
1473 dnl check for tivoli
1474 AC_MSG_CHECKING(for tivoli tsm butc support)
1475 XBSA_CFLAGS=""
1476 if test "$enable_tivoli_tsm" = "yes"; then
1477         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1478         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1479         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1480         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1481         XBSADIR5=/usr/tivoli/tsm/client/api/bin64/sample
1482         XBSADIR6=/opt/tivoli/tsm/client/api/bin64/sample
1483
1484         if test -r "$XBSADIR3/dsmapifp.h"; then
1485                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1486                 XBSA_XLIBS="-ldl"
1487                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1488         elif test -r "$XBSADIR4/dsmapifp.h"; then
1489                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1490                 XBSA_XLIBS="-ldl"
1491                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1492         elif test -r "$XBSADIR5/dsmapifp.h"; then
1493                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR5"
1494                 XBSA_XLIBS="-ldl"
1495                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1496         elif test -r "$XBSADIR6/dsmapifp.h"; then
1497                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR6"
1498                 XBSA_XLIBS="-ldl"
1499                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1500         elif test -r "$XBSADIR1/xbsa.h"; then
1501                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1502                 XBSA_XLIBS=""
1503                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1504         elif test -r "$XBSADIR2/xbsa.h"; then
1505                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1506                 XBSA_XLIBS=""
1507                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1508         else
1509                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1510         fi
1511 else
1512         AC_MSG_RESULT([no])
1513 fi
1514 AC_SUBST(XBSA_CFLAGS)
1515 AC_SUBST(XBSA_XLIBS) 
1516 XLIBS="$XBSA_XLIBS $XLIBS"
1517
1518 dnl checks for header files.
1519 AC_HEADER_STDC
1520 AC_HEADER_SYS_WAIT
1521 AC_HEADER_DIRENT
1522 AC_CHECK_HEADERS([ \
1523                    arpa/inet.h \
1524                    arpa/nameser.h \
1525                    curses.h\
1526                    direct.h \
1527                    errno.h \
1528                    fcntl.h \
1529                    grp.h \
1530                    math.h \
1531                    mntent.h \
1532                    ncurses.h \
1533                    ncurses/ncurses.h \
1534                    netdb.h \
1535                    netinet/in.h \
1536                    pthread_np.h \
1537                    pwd.h \
1538                    regex.h \
1539                    security/pam_appl.h \
1540                    signal.h \
1541                    stdint.h \
1542                    stdio_ext.h \
1543                    stdlib.h \
1544                    string.h \
1545                    strings.h \
1546                    sys/bitypes.h \
1547                    sys/bswap.h \
1548                    sys/dk.h \
1549                    sys/fcntl.h \
1550                    sys/file.h \
1551                    sys/fs_types.h \
1552                    sys/fstyp.h \
1553                    sys/ioctl.h \
1554                    sys/ipc.h \
1555                    sys/lockf.h \
1556                    sys/map.h \
1557                    sys/mount.h \
1558                    sys/mntent.h \
1559                    sys/mnttab.h \
1560                    sys/pag.h \
1561                    sys/param.h \
1562                    sys/resource.h \
1563                    sys/select.h \
1564                    sys/statfs.h \
1565                    sys/statvfs.h \
1566                    sys/socket.h \
1567                    sys/sysctl.h \
1568                    sys/time.h \
1569                    sys/types.h \
1570                    sys/uio.h \
1571                    sys/un.h \
1572                    sys/vfs.h \
1573                    syslog.h \
1574                    termios.h \
1575                    time.h \
1576                    ucontext.h \
1577                    unistd.h \
1578                    windows.h \
1579                 ])
1580
1581 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1582 #ifdef HAVE_NETINET_IN_H
1583 # include <netinet/in.h>
1584 #endif])
1585
1586 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1587 #ifdef HAVE_SYS_SOCKET_H
1588 # include <sys/socket.h>
1589 #endif])
1590
1591 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1592 #ifdef HAVE_SYS_SOCKET_H
1593 # include <sys/socket.h>
1594 #endif
1595 #ifdef HAVE_NETINET_IN_H
1596 # include <netinet/in.h>
1597 #endif
1598 #ifdef HAVE_NET_IF_H
1599 # include <net/if.h>
1600 #endif])
1601
1602 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1603 #ifdef HAVE_SECURITY_PAM_APPL_H
1604 # include <security/pam_appl.h>
1605 #endif])
1606
1607 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1608
1609 AC_CHECK_TYPES([fsblkcnt_t],,,[
1610 #include <sys/types.h>
1611 #ifdef HAVE_SYS_BITYPES_H
1612 #include <sys/bitypes.h>
1613 #endif
1614 #ifdef HAVE_SYS_STATFS_H
1615 #include <sys/statfs.h>
1616 #endif
1617 #ifdef HAVE_SYS_STATVFS_H
1618 #include <sys/statvfs.h>
1619 #endif
1620 ])
1621
1622 dnl see what struct stat has for timestamps
1623 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1624
1625 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1626
1627 if test "$enable_debug_locks" = yes; then
1628         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1629 fi
1630
1631 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1632         HAVE_PAM="yes"
1633 else
1634         HAVE_PAM="no"
1635 fi
1636 AC_SUBST(HAVE_PAM)
1637
1638 if test "$enable_login" = yes; then
1639         BUILD_LOGIN="yes"
1640 else
1641         BUILD_LOGIN="no"
1642 fi
1643 AC_SUBST(BUILD_LOGIN)
1644
1645 if test "$enable_kauth" = yes; then
1646         INSTALL_KAUTH="yes"
1647 else
1648         INSTALL_KAUTH="no"
1649 fi
1650 AC_SUBST(INSTALL_KAUTH)
1651
1652 AC_CHECK_FUNCS([ \
1653         arc4random \
1654         closelog \
1655         fcntl \
1656         fseeko64 \
1657         ftello64 \
1658         getcwd \
1659         getegid \
1660         geteuid \
1661         getgid \
1662         getuid \
1663         getrlimit \
1664         issetugid \
1665         mkstemp \
1666         openlog \
1667         poll \
1668         pread \
1669         preadv \
1670         preadv64 \
1671         pwrite \
1672         pwritev \
1673         pwritev64 \
1674         regcomp \
1675         regerror \
1676         regexec \
1677         setitimer \
1678         setvbuf \
1679         sigaction \
1680         strcasestr \
1681         strerror \
1682         sysconf \
1683         sysctl \
1684         syslog \
1685         tdestroy \
1686         timegm \
1687 ])
1688
1689 OPENAFS_ROKEN()
1690 OPENAFS_HCRYPTO()
1691 OPENAFS_CURSES()
1692 OPENAFS_C_ATTRIBUTE()
1693 OPENAFS_C_PRAGMA()
1694
1695 dnl Functions that Heimdal's libroken provides, but that we
1696 dnl haven't found a need for yet, and so haven't imported
1697 AC_CHECK_FUNCS([ \
1698         chown \
1699         fchown \
1700         gethostname \
1701         lstat \
1702         inet_aton \
1703         putenv \
1704         readv \
1705         setenv \
1706         strdup \
1707         strftime \
1708         strndup \
1709         strsep \
1710         unsetenv \
1711 ])
1712
1713 dnl Functions that are in objects that we always build from libroken
1714 AC_CHECK_FUNCS([ \
1715         asprintf \
1716         asnprintf \
1717         vasprintf \
1718         vasnprintf \
1719         vsnprintf \
1720         snprintf \
1721 ])
1722
1723 dnl Functions that we're going to try and get from libroken
1724 AC_REPLACE_FUNCS([ \
1725         daemon \
1726         ecalloc \
1727         emalloc \
1728         erealloc \
1729         err \
1730         errx \
1731         flock \
1732         freeaddrinfo \
1733         gai_strerror \
1734         getaddrinfo \
1735         getdtablesize \
1736         getnameinfo \
1737         getopt \
1738         getprogname \
1739         gettimeofday \
1740         inet_ntop \
1741         inet_pton \
1742         localtime_r \
1743         mkstemp \
1744         setenv \
1745         setprogname \
1746         strcasecmp \
1747         strlcat \
1748         strnlen \
1749         strlcpy \
1750         strsep \
1751         tdelete \
1752         tfind \
1753         tsearch \
1754         twalk \
1755         unsetenv \
1756         verr \
1757         verrx \
1758         vsyslog \
1759         vwarn \
1760         vwarnx \
1761         warn \
1762         warnx \
1763 ])
1764
1765 dnl Headers that we're going to try and get from libroken
1766 AC_CHECK_HEADERS([ \
1767         err.h \
1768         search.h \
1769 ])
1770
1771 AC_CHECK_DECLS([h_errno], [], [], [
1772 #include <sys/types.h>
1773 #ifdef HAVE_NETDB_H
1774 #include <netdb.h>
1775 #endif
1776 ])
1777
1778 AC_HEADER_TIME
1779
1780 ROKEN_HEADERS=
1781 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1782       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1783       [])
1784 AC_SUBST(ROKEN_HEADERS)
1785
1786 dnl Stuff that's harder ...
1787 AC_MSG_CHECKING([for bswap16])
1788 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1789 #ifdef HAVE_SYS_TYPES_H
1790 #include <sys/types.h>
1791 #endif
1792 #ifdef HAVE_SYS_BSWAP_H
1793 #include <sys/bswap.h>
1794 #endif
1795 ],
1796 [short a, b; b = bswap16(a); ])],
1797 [AC_MSG_RESULT(yes)
1798  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1799 ],
1800 [AC_MSG_RESULT(no)])
1801
1802 AC_MSG_CHECKING([for bswap32])
1803 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1804 #include <sys/types.h>
1805 #endif
1806 #ifdef HAVE_SYS_BSWAP_H
1807 #include <sys/bswap.h>
1808 #endif
1809 ],
1810 [int a, b; b = bswap32(a); ])],
1811 [AC_MSG_RESULT(yes)
1812  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1813 ],
1814 [AC_MSG_RESULT(no)])
1815
1816 case $AFS_SYSNAME in
1817 *hp_ux* | *hpux*)
1818    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1819    ;;
1820 *)
1821    AC_MSG_CHECKING([for positional I/O])
1822    if test "$ac_cv_func_pread" = "yes" && \
1823            test "$ac_cv_func_pwrite" = "yes"; then
1824       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1825       AC_MSG_RESULT(yes)
1826    else
1827      AC_MSG_RESULT(no)
1828    fi
1829    AC_MSG_CHECKING([for vectored positional I/O])
1830    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1831                "$ac_cv_func_pwritev" = "yes" -a \
1832                "$ac_cv_func_preadv64" = "yes" -a \
1833                "$ac_cv_func_pwritev64" = "yes"],
1834          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1835           AC_MSG_RESULT(yes)],
1836          [AC_MSG_RESULT(no)])
1837    ;;
1838 esac
1839
1840 AC_MSG_CHECKING([for POSIX regex library])
1841 if test "$ac_cv_header_regex_h" = "yes" && \
1842         test "$ac_cv_func_regcomp" = "yes" && \
1843         test "$ac_cv_func_regexec" = "yes" && \
1844         test "$ac_cv_func_regerror" = "yes"; then
1845     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1846     AC_MSG_RESULT(yes)
1847 else
1848     AC_MSG_RESULT(no)
1849 fi
1850
1851 dnl Look for "non-portable" pthreads functions.
1852 save_LIBS="$LIBS"
1853 LIBS="$LIBS $PTHREAD_LIBS"
1854 AC_CHECK_FUNCS([ \
1855         pthread_set_name_np \
1856         pthread_setname_np \
1857 ])
1858
1859 dnl Sadly, there are three different versions of pthread_setname_np.
1860 dnl Try to cater for all of them.
1861 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1862     AC_MSG_CHECKING([for signature of pthread_setname_np])
1863     AC_TRY_COMPILE([
1864 #include <pthread.h>
1865 #ifdef HAVE_PTHREAD_NP_H
1866 #include <pthread_np.h>
1867 #endif
1868 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1869         AC_MSG_RESULT([three arguments])
1870         pthread_setname_np_args=3], [
1871         AC_TRY_COMPILE([
1872 #include <pthread.h>
1873 #ifdef HAVE_PTHREAD_NP_H
1874 #include <pthread_np.h>
1875 #endif
1876 ], [pthread_setname_np(pthread_self(), "test")], [
1877             AC_MSG_RESULT([two arguments])
1878             pthread_setname_np_args=2], [
1879             AC_TRY_COMPILE([
1880 #include <pthread.h>
1881 #ifdef HAVE_PTHREAD_NP_H
1882 #include <pthread_np.h>
1883 #endif
1884 ], [pthread_setname_np("test")], [
1885                 AC_MSG_RESULT([one argument])
1886                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1887 ])
1888 ])
1889 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1890 fi
1891 LIBS="$save_LIBS"
1892
1893 openafs_cv_saved_CFLAGS="$CFLAGS"
1894 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1895
1896 AC_TYPE_SIGNAL
1897 OPENAFS_RETSIGTYPE
1898 AC_CHECK_SIZEOF(void *)
1899 AC_CHECK_SIZEOF(unsigned long long)
1900 AC_CHECK_SIZEOF(unsigned long)
1901 AC_CHECK_SIZEOF(unsigned int)
1902 AC_TYPE_INTPTR_T
1903 AC_TYPE_UINTPTR_T
1904 AC_TYPE_SSIZE_T
1905 AC_CHECK_TYPE([sig_atomic_t],[],
1906     [AC_DEFINE([sig_atomic_t], [int],
1907         [Define to int if <signal.h> does not define.])],
1908 [#include <sys/types.h>
1909 #include <signal.h>])
1910 AC_CHECK_TYPE([socklen_t],[],
1911     [AC_DEFINE([socklen_t], [int],
1912         [Define to int if <sys/socket.h> does not define.])],
1913 [#include <sys/types.h>
1914 #include <sys/socket.h>])
1915 AC_CHECK_TYPES(off64_t)
1916 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1917 AC_CHECK_TYPES([struct winsize], [], [], [
1918 #ifdef HAVE_TERMIOS_H
1919 # include <termios.h>
1920 #else
1921 # include <sys/termios.h>
1922 #endif
1923 #include <sys/ioctl.h>])
1924 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1925                 struct sockaddr_storage],
1926                [], [], [
1927 #include <sys/types.h>
1928 #include <sys/socket.h>
1929 ])
1930 AC_CHECK_TYPES([sa_family_t], [], [], [
1931 #include <sys/types.h>
1932 #include <sys/socket.h>
1933 ])
1934 AC_CHECK_TYPES([struct addrinfo], [], [], [
1935 #include <sys/types.h>
1936 #ifdef HAVE_NETDB_H
1937 #include <netdb.h>
1938 #endif
1939 ])
1940 AC_CHECK_TYPES([long long], [], [], [])
1941
1942 AC_SIZEOF_TYPE(long)
1943
1944 CFLAGS="$openafs_cv_saved_CFLAGS"
1945
1946 RRA_HEADER_PAM_CONST
1947
1948
1949 dnl Directory PATH handling
1950 if test "x$enable_transarc_paths" = "xyes"  ; then 
1951     afsconfdir=${afsconfdir=/usr/afs/etc}
1952     viceetcdir=${viceetcdir=/usr/vice/etc}
1953     afskerneldir=${afskerneldir=${viceetcdir}}
1954     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1955     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1956     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1957     afsdbdir=${afsdbdir=/usr/afs/db}
1958     afslogsdir=${afslogsdir=/usr/afs/logs}
1959     afslocaldir=${afslocaldir=/usr/afs/local}
1960     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1961     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1962     afsdatadir=${afsdatadir=/usr/vice/etc}
1963 else 
1964     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1965     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1966     afskerneldir=${afskerneldir='${libdir}/openafs'}
1967     afssrvbindir=${afssrvbindir='${bindir}'}
1968     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1969     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1970     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1971     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1972     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1973     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1974     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1975     afsdatadir=${afsdatadir='${datadir}/openafs'}
1976 fi
1977 AC_SUBST(afsconfdir)
1978 AC_SUBST(viceetcdir)
1979 AC_SUBST(afskerneldir)
1980 AC_SUBST(afssrvbindir)
1981 AC_SUBST(afssrvsbindir)
1982 AC_SUBST(afssrvlibexecdir)
1983 AC_SUBST(afsdbdir)
1984 AC_SUBST(afslogsdir)
1985 AC_SUBST(afslocaldir)
1986 AC_SUBST(afsbackupdir)
1987 AC_SUBST(afsbosconfigdir)
1988 AC_SUBST(afsdatadir)
1989
1990 if test "x$enable_kernel_module" = "xyes"; then
1991 ENABLE_KERNEL_MODULE=libafs
1992 fi
1993
1994 if test "x$enable_pthreaded_ubik" = "xyes"; then
1995 ENABLE_PTHREADED_UBIK=yes
1996 fi
1997
1998 AC_SUBST(VFSCK)
1999 AC_SUBST(AFS_SYSNAME)
2000 AC_SUBST(AFS_PARAM_COMMON)
2001 AC_SUBST(ENABLE_KERNEL_MODULE)
2002 AC_SUBST(ENABLE_PTHREADED_UBIK)
2003 AC_SUBST(LIB_AFSDB)
2004 AC_SUBST(LINUX_KERNEL_PATH)
2005 AC_SUBST(LINUX_KERNEL_BUILD)
2006 AC_SUBST(HOST_CPU)
2007 AC_SUBST(BSD_KERNEL_PATH)
2008 AC_SUBST(BSD_KERNEL_BUILD)
2009 AC_SUBST(LINUX_VERSION)
2010 AC_SUBST(MKAFS_OSTYPE)
2011 AC_SUBST(TOP_OBJDIR)
2012 AC_SUBST(TOP_SRCDIR)
2013 AC_SUBST(TOP_INCDIR)
2014 AC_SUBST(TOP_LIBDIR)
2015 AC_SUBST(DEST)
2016 AC_SUBST(DARWIN_INFOFILE)
2017 AC_SUBST(IRIX_BUILD_IP35)
2018 AC_SUBST(HTML_XSL)
2019 AC_SUBST(XSLTPROC)
2020 AC_SUBST(DOCBOOK2PDF)
2021 AC_SUBST(DOCBOOK_STYLESHEETS)
2022
2023 OPENAFS_FUSE
2024 OPENAFS_SWIG
2025
2026 TOP_SRCDIR="${srcdir}/src"
2027 dnl
2028 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
2029 dnl
2030 case $TOP_SRCDIR in
2031         /*)
2032                 ;;
2033         *)
2034                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
2035                 ;;
2036 esac
2037
2038 TOP_OBJDIR="${SRCDIR_PARENT}"
2039 TOP_INCDIR="${SRCDIR_PARENT}/include"
2040 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
2041 if test "${DEST}x" = "x"; then
2042         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
2043 fi
2044
2045 if test "x$with_crosstools_dir" != "x"; then
2046         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
2047                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
2048                 CONFIGTOOL_PATH=$with_crosstools_dir/config
2049                 RXGEN_PATH=$with_crosstools_dir/rxgen
2050         else
2051                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
2052                 exit 1
2053         fi
2054 else
2055         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
2056         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
2057         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
2058 fi
2059 AC_SUBST(COMPILE_ET_PATH)
2060 AC_SUBST(CONFIGTOOL_PATH)
2061 AC_SUBST(RXGEN_PATH)
2062
2063 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
2064 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
2065 AC_SUBST(HELPER_SPLINT)
2066 AC_SUBST(HELPER_SPLINTCFG)
2067
2068 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
2069
2070 dnl Check to see if crypt lives in a different library
2071 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
2072 AC_SUBST(LIB_crypt)
2073
2074 dnl Check to see if the compiler support labels in structs
2075 AC_MSG_CHECKING(for label support in structs)
2076 AC_TRY_COMPILE([], [
2077 extern void osi_UFSOpen(void);
2078 struct labeltest {
2079    void (*open) (void);
2080 };
2081 struct labeltest struct_labeltest = {
2082    .open       = osi_UFSOpen,
2083 }
2084 ],
2085 [AC_MSG_RESULT(yes)
2086  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
2087 ],
2088 [AC_MSG_RESULT(no)
2089 ])
2090
2091 AC_MSG_CHECKING([checking for dirfd])
2092 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
2093 #ifdef HAVE_DIRENT_H
2094 #include <dirent.h>
2095 #endif
2096 ]],
2097         [[DIR *d = 0; dirfd(d);]])],
2098         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
2099 if test "$ac_rk_have_dirfd" = "yes" ; then
2100         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
2101 fi
2102 AC_MSG_RESULT($ac_rk_have_dirfd)
2103
2104 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
2105 #ifdef HAVE_DIRENT_H
2106 #include <dirent.h>
2107 #endif])
2108
2109 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
2110 [#ifdef HAVE_SYS_RESOURCE_H
2111 #include <sys/resource.h>
2112 #endif])
2113
2114 dnl Check for UUID library
2115 AC_CHECK_HEADERS([uuid/uuid.h])
2116 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
2117 AC_CHECK_FUNCS([uuid_generate])
2118 ])
2119
2120