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