Linux 4.4: key_payload has no member 'value'
[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
115 dnl Kernel module build options.
116 AC_ARG_WITH([linux-kernel-headers],
117     [AS_HELP_STRING([--with-linux-kernel-headers=path],
118         [use the kernel headers found at path (optional, defaults to
119          /lib/modules/`uname -r`/build, then /lib/modules/`uname -r`/source,
120          then /usr/src/linux-2.4, and lastly /usr/src/linux)])
121 ])
122 AC_ARG_WITH([linux-kernel-build],
123     [AS_HELP_STRING([--with-linux-kernel-build=path],
124         [use the kernel build found at path(optional, defaults to
125         kernel headers path)]
126 )])
127 AC_ARG_WITH([bsd-kernel-headers],
128     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
129         [use the kernel headers found at path (optional, defaults to
130          /usr/src/sys)])
131 ])
132 AC_ARG_WITH([bsd-kernel-build],
133     [AS_HELP_STRING([--with-bsd-kernel-build=path],
134         [use the kernel build found at path (optional, defaults to
135          KSRC/i386/compile/GENERIC)])
136 ])
137 AC_ARG_WITH([linux-kernel-packaging],
138     [AS_HELP_STRING([--with-linux-kernel-packaging],
139         [use standard naming conventions to aid Linux kernel build packaging
140          (disables MPS, sets the kernel module name to openafs.ko, and
141          installs kernel modules into the standard Linux location)])],
142     [AC_SUBST([LINUX_KERNEL_PACKAGING], [yes])
143      AC_SUBST([LINUX_LIBAFS_NAME], [openafs])],
144     [AC_SUBST([LINUX_LIBAFS_NAME], [libafs])
145 ])
146 AC_ARG_ENABLE([kernel-module],
147     [AS_HELP_STRING([--disable-kernel-module],
148         [disable compilation of the kernel module (defaults to enabled)])],
149     [],
150     [enable_kernel_module="yes"])
151 AC_ARG_ENABLE([redhat-buildsys],
152     [AS_HELP_STRING([--enable-redhat-buildsys],
153         [enable compilation of the redhat build system kernel (defaults to
154          disabled)])],
155     [],
156     [enable_redhat_buildsys="no"])
157
158 dnl Installation locations.
159 AC_ARG_ENABLE([transarc-paths],
160     [AS_HELP_STRING([--enable-transarc-paths],
161         [use Transarc style paths like /usr/afs and /usr/vice])],
162     [],
163     [enable_transarc_paths="no"])
164
165 dnl Deprecated crypto
166 AC_ARG_ENABLE([kauth],
167     [AS_HELP_STRING([--enable-kauth],
168         [install the deprecated kauth server, pam modules, and utilities
169          (defaults to disabled)])],
170     [enable_pam="yes"],
171     [enable_kauth="no"
172      enable_pam="no"])
173
174 dnl Optimization and debugging flags.
175 AC_ARG_ENABLE([strip-binaries],
176     [AS_HELP_STRING([--disable-strip-binaries],
177         [disable stripping of symbol information from binaries (defaults to
178          enabled)])],
179     [],
180     [enable_strip_binaries="maybe"])
181 AC_ARG_ENABLE([debug],
182     [AS_HELP_STRING([--enable-debug],
183         [enable compilation of the user space code with debugging information
184          (defaults to disabled)])],
185     [],
186     [enable_debug="no"])
187 AC_ARG_ENABLE([optimize],
188     [AS_HELP_STRING([--disable-optimize],
189         [disable optimization for compilation of the user space code (defaults
190          to enabled)])],
191     [],
192     [enable_optimize="yes"])
193 AC_ARG_ENABLE([warnings],
194     [AS_HELP_STRING([--enable-warnings],
195         [enable compilation warnings when building with gcc (defaults to
196          disabled)])],
197     [],
198     [enable_warnings="no"])
199 AC_ARG_ENABLE([checking],
200     [AS_HELP_STRING([--enable-checking],
201         [turn compilation warnings into errors when building with gcc (defaults
202          to disabled)])],
203     [enable_checking="$enableval"],
204     [enable_checking="no"])
205 AC_ARG_ENABLE([debug-locks],
206     [AS_HELP_STRING([--enable-debug-locks],
207         [turn on lock debugging assertions (defaults to disabled)])],
208     [enable_debug_locks="$enableval"],
209     [enable_debug_locks="no"])
210 AC_ARG_ENABLE([debug-kernel],
211     [AS_HELP_STRING([--enable-debug-kernel],
212         [enable compilation of the kernel module with debugging information
213          (defaults to disabled)])],
214     [],
215     [enable_debug_kernel="no"])
216 AC_ARG_ENABLE([optimize-kernel],
217     [AS_HELP_STRING([--disable-optimize-kernel],
218         [disable compilation of the kernel module with optimization (defaults
219          based on platform)])],
220     [],
221     [enable_optimize_kernel=""])
222 AC_ARG_ENABLE([debug-lwp],
223     [AS_HELP_STRING([--enable-debug-lwp],
224         [enable compilation of the LWP code with debugging information
225          (defaults to disabled)])],
226     [],
227     [enable_debug_lwp="no"])
228 AC_ARG_ENABLE([optimize-lwp],
229     [AS_HELP_STRING([--disable-optimize-lwp],
230         [disable optimization for compilation of the LWP code (defaults to
231          enabled)])],
232     [],
233     [enable_optimize_lwp="yes"])
234 AC_ARG_ENABLE([debug-pam],
235     [AS_HELP_STRING([--enable-debug-pam],
236         [enable compilation of the PAM code with debugging information
237          (defaults to disabled)])],
238     [],
239     [enable_debug_pam="no"])
240 AC_ARG_ENABLE([optimize-pam],
241     [AS_HELP_STRING([--disable-optimize-pam],
242         [disable optimization for compilation of the PAM code (defaults to
243          enabled)])],
244     [],
245     [enable_optimize_pam="yes"])
246 AC_ARG_ENABLE([linux-syscall-probing],
247     [AS_HELP_STRING([--enable-linux-syscall-probing],
248         [enable Linux syscall probing (defaults to autodetect)])],
249     [],
250     [enable_linux_syscall_probing="maybe"])
251 AC_ARG_ENABLE([linux-d_splice_alias-extra-iput],
252     [AS_HELP_STRING([--enable-linux-d_splice_alias-extra-iput],
253         [Linux kernels in the 3.17 series prior to 3.17.3 had a bug
254          wherein error returns from the d_splice_alias() function were
255          leaking a reference on the inode.  The bug was fixed for the
256          3.17.3 kernel, and the possibility of an error return was only
257          introduced in kernel 3.17, so only the narrow range of kernels
258          is affected.  Enable this option for builds on systems with
259          kernels affected by this bug, to manually release the reference
260          on error returns and correct the reference counting.
261          Linux commit 51486b900ee92856b977eacfc5bfbe6565028070 (or
262          equivalent) is the fix for the upstream bug, so if such a commit
263          is present, leave this option disabled.  We apologize
264          that you are required to know this about your running kernel,
265          but luckily only a narrow range of versions is affected.])],
266     [],
267     [enable_linux_d_splice_alias_extra_iput="no"])
268 AC_ARG_WITH([crosstools-dir],
269     [AS_HELP_STRING([--with-crosstools-dir=path],
270         [use path for native versions of rxgen, compile_et and config])
271 ])
272
273 AC_ARG_WITH([xslt-processor],
274         AS_HELP_STRING([--with-xslt-processor=ARG],
275         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
276         [XSLTPROC="$withval"],
277         [AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo])])
278
279 AC_ARG_WITH([html-xsl],
280         AS_HELP_STRING([--with-html-xsl],
281         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
282         [HTML_XSL="$withval"],
283         [HTML_XSL="html/chunk.xsl"])
284
285 AC_ARG_WITH([docbook2pdf],
286         AS_HELP_STRING([--with-docbook2pdf=ARG],
287         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
288         [DOCBOOK2PDF="$withval"],
289         [AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo])])
290
291 AC_ARG_WITH([docbook-stylesheets],
292         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
293         [location of DocBook stylesheets (default is to search a set of likely paths)]),
294         [DOCBOOK_STYLESHEETS="$withval"],
295         [OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS],
296                 [/usr/share/xml/docbook/stylesheet/nwalsh/current \
297                  /usr/share/xml/docbook/stylesheet/nwalsh \
298                  /usr/share/xml/docbook/xsl-stylesheets \
299                  /usr/share/sgml/docbook/docbook-xsl-stylesheets \
300                  /usr/share/sgml/docbook/xsl-stylesheets \
301                  /usr/share/docbook-xsl \
302                  /usr/share/sgml/docbkxsl \
303                  /usr/local/share/xsl/docbook \
304                  /sw/share/xml/xsl/docbook-xsl \
305                  /opt/local/share/xsl/docbook-xsl],
306                 [$HTML_XSL])
307            AS_IF([test "x$DOCBOOK_STYLESHEETS" = "x"],
308                 [AC_WARN([Docbook stylesheets not found; some documentation can't be built])
309            ])
310         ])
311
312 AC_ARG_WITH([dot],
313         AS_HELP_STRING([--with-dot@<:@=PATH@:>@],
314         [use graphviz dot to generate dependency graphs with doxygen (defaults to autodetect)]),
315         [], [with_dot="maybe"])
316
317 enable_login="no"
318
319 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
320 dnl documentation build.
321 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
322 AC_CHECK_PROGS([DOXYGEN], [doxygen])
323
324 dnl Optionally generate graphs with doxygen.
325 case "$with_dot" in
326 maybe)
327     AC_CHECK_PROGS([DOT], [dot])
328     AS_IF([test "x$DOT" = "x"], [HAVE_DOT="no"], [HAVE_DOT="yes"])
329     ;;
330 yes)
331     HAVE_DOT="yes"
332     ;;
333 no)
334     HAVE_DOT="no"
335     ;;
336 *)
337     HAVE_DOT="yes"
338     DOT_PATH=$with_dot
339 esac
340 AC_SUBST(HAVE_DOT)
341 AC_SUBST(DOT_PATH)
342
343 dnl Checks for UNIX variants.
344 AC_ISC_POSIX
345
346 dnl Various compiler setup.
347 AC_TYPE_PID_T
348 AC_TYPE_SIZE_T
349
350 dnl Checks for programs.
351 AC_PROG_INSTALL
352 AC_PROG_LN_S
353 AC_PROG_RANLIB
354 AC_PROG_YACC
355 AM_PROG_LEX
356 dnl if we are flex, be lex-compatible
357 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
358
359 OPENAFS_FORCE_ABS_INSTALL
360 OPENAFS_CHECK_BIGENDIAN
361 OPENAFS_PRINTF_TAKES_Z_LEN
362
363 AC_MSG_CHECKING(your OS)
364 system=$host
365 case $system in
366         *-linux*)
367
368                 MKAFS_OSTYPE=LINUX
369                 if test "x$enable_redhat_buildsys" = "xyes"; then
370                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
371                 fi
372                 if test "x$enable_kernel_module" = "xyes"; then
373                  if test "x$with_linux_kernel_headers" != "x"; then
374                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
375                  else
376                    for utsdir in "/lib/modules/`uname -r`/build" \
377                                  "/lib/modules/`uname -r`/source" \
378                                  "/usr/src/linux-2.4" \
379                                  "/usr/src/linux"; do
380                      LINUX_KERNEL_PATH="$utsdir"
381                      for utsfile in "include/generated/utsrelease.h" \
382                                     "include/linux/utsrelease.h" \
383                                     "include/linux/version.h" \
384                                     "include/linux/version-up.h"; do
385                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
386                          break 2
387                        fi
388                      done
389                    done
390                  fi
391                  if test "x$with_linux_kernel_build" != "x"; then
392                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
393                  else
394                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
395                  fi
396                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
397                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
398                    LINUX_VERSION="$linux_kvers"
399                  else
400                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
401                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
402                      LINUX_VERSION="$linux_kvers"
403                    else
404                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
405                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
406                        if test "x$linux_kvers" = "x"; then
407                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
408                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
409                            if test "x$linux_kvers" = "x"; then
410                              AC_MSG_ERROR(Linux headers lack version definition [2])
411                              exit 1
412                            else
413                              LINUX_VERSION="$linux_kvers"
414                            fi
415                          else
416                            AC_MSG_ERROR(Linux headers lack version definition)
417                            exit 1
418                          fi
419                        else
420                          LINUX_VERSION="$linux_kvers"
421                        fi
422                      else
423                        enable_kernel_module="no"
424                      fi
425                    fi
426                  fi
427                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
428                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
429                      enable_kernel_module="no"
430                  fi
431                  if test "x$enable_kernel_module" = "xno"; then
432                   if test "x$with_linux_kernel_headers" != "x"; then
433                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
434                    exit 1
435                   else
436                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
437                   fi
438                  fi
439                  dnl do we need to determine SUBARCH from autoconf.h
440                  SUBARCH=default
441                 fi
442                 AC_MSG_RESULT(linux)
443                 GUESS_LINUX_VERSION=
444                 if test "x$enable_kernel_module" = "xyes"; then
445                  GUESS_LINUX_VERSION=${LINUX_VERSION}
446                 else
447                  GUESS_LINUX_VERSION=`uname -r`
448                 fi
449                 case "$GUESS_LINUX_VERSION" in
450                   2.2.*) AFS_SYSKVERS=22 ;;
451                   2.4.*) AFS_SYSKVERS=24 ;;
452                   [2.6.* | [3-9]* | [1-2][0-9]*]) AFS_SYSKVERS=26 ;;
453                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
454                 esac
455                 ;;
456         *-solaris*)
457                 MKAFS_OSTYPE=SOLARIS
458                 AC_MSG_RESULT(sun4)
459                 AC_PATH_PROG(SOLARISCC, [cc], ,
460                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
461                 if test "x$SOLARISCC" = "x" ; then
462                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
463                 fi
464                 SOLARIS_UFSVFS_HAS_DQRWLOCK
465                 SOLARIS_FS_HAS_FS_ROLLED
466                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
467                 SOLARIS_HAVE_VN_RENAMEPATH
468                 ;;
469         *-sunos*)
470                 MKAFS_OSTYPE=SUNOS
471                 enable_kernel_module=no
472                 AC_MSG_RESULT(sun4)
473                 ;;
474         *-hpux*)
475                 MKAFS_OSTYPE=HPUX
476                 AC_MSG_RESULT(hp_ux)
477                 if test -f "/usr/old/usr/include/ndir.h"; then
478                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
479                 fi
480                 ;;
481         *-irix*)
482                 if test -d /usr/include/sys/SN/SN1; then
483                  IRIX_BUILD_IP35="IP35"
484                 fi
485                 MKAFS_OSTYPE=IRIX
486                 AC_MSG_RESULT(sgi)
487                 ;;
488         *-aix*)
489                 MKAFS_OSTYPE=AIX
490                 AC_MSG_RESULT(rs_aix)
491                 ;;
492         arm-*-darwin*)
493                 MKAFS_OSTYPE=DARWIN
494                 AC_MSG_RESULT(arm_darwin)
495                 ;;
496         powerpc-*-darwin*)
497                 MKAFS_OSTYPE=DARWIN
498                 AC_MSG_RESULT(ppc_darwin)
499                 ;;
500         i386-*-darwin*)
501                 MKAFS_OSTYPE=DARWIN
502                 AC_MSG_RESULT(x86_darwin)
503                 ;;
504         x86_64-*-darwin*)
505                 MKAFS_OSTYPE=DARWIN
506                 AC_MSG_RESULT(x86_darwin)
507                 ;;
508         i386-*-freebsd*)
509                 MKAFS_OSTYPE=FBSD
510                 AC_MSG_RESULT(i386_fbsd)
511                 ;;
512         x86_64-*-freebsd*)
513                 MKAFS_OSTYPE=FBSD
514                 AC_MSG_RESULT(amd64_fbsd)
515                 ;;
516         *-netbsd*)
517                 MKAFS_OSTYPE=NBSD
518                 AC_MSG_RESULT(nbsd)
519                 ;;
520         x86_64-*-openbsd*)
521                 MKAFS_OSTYPE=OBSD
522                 AC_MSG_RESULT(amd64_obsd)
523                 ;;
524         i386-*-openbsd*)
525                 MKAFS_OSTYPE=OBSD
526                 AC_MSG_RESULT(i386_obsd)
527                 ;;
528         *-dragonfly*)
529                 MKAFS_OSTYPE=DFBSD
530                 AC_MSG_RESULT(i386_dfbsd)
531                 ;;
532         *)
533                 AC_MSG_RESULT($system)
534                 ;;
535 esac
536
537 if test "x$with_afs_sysname" != "x"; then
538         AFS_SYSNAME="$with_afs_sysname"
539 else
540         AC_MSG_CHECKING(your AFS sysname)
541         case $host in
542                 i?86-*-openbsd?.?)
543                         v=${host#*openbsd}
544                         vM=${v%.*}
545                         vm=${v#*.}
546                         AFS_SYSNAME="i386_obsd${vM}${vm}"
547                         ;;
548                 sparc64-*-openbsd?.?)
549                         v=${host#*openbsd}
550                         vM=${v%.*}
551                         vm=${v#*.}
552                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
553                         ;;
554                 x86_64-*-openbsd?.?)
555                         v=${host#*openbsd}
556                         vM=${v%.*}
557                         vm=${v#*.}
558                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
559                         ;;
560                 i?86-*-freebsd*.*)
561                         v=${host#*freebsd}
562                         vM=${v%.*}
563                         vm=${v#*.}
564                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
565                         ;;
566                 x86_64-*-freebsd*.*)
567                         v=${host#*freebsd}
568                         vM=${v%.*}
569                         vm=${v#*.}
570                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
571                         ;;
572                 i386-*-dragonfly?.*)
573                         v=${host#*dragonfly}
574                         vM=${v%.*}
575                         vm=${v#*.}
576                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
577                         ;;
578                 i?86-*-netbsd*1.6[[M-Z]]*)
579                         AFS_SYSNAME="i386_nbsd20"
580                         ;;
581                 powerpc-*-netbsd*1.6[[M-Z]]*)
582                         AFS_SYSNAME="ppc_nbsd20"
583                         ;;
584                 *-*-netbsd*)
585                         arch=${host%%-unknown*}
586                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
587                                                -e 's/powerpc/ppc/g')
588                         v=${host#*netbsd}
589                         v=${v#*aout}
590                         v=${v#*ecoff}
591                         v=${v#*elf}
592                         vM=${v%%.*}
593                         vM=${vM%.*}
594                         v=${v#*.}
595                         vm=${v%%.*}
596                         vm=${vm%.*}
597                         vm=${vm%%[[_A-Z]]*}
598                         if test $vm -eq 99 ; then
599                                 vM=$((vM+1))
600                         fi
601                         if test $vM -gt 1 ; then
602                                 vm=0
603                         fi
604                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
605                         ;;
606                 hppa*-hp-hpux11.0*)
607                         AFS_SYSNAME="hp_ux110"
608                         ;;
609                 hppa*-hp-hpux11.11)
610                         AFS_SYSNAME="hp_ux11i"
611                         ;;
612                 hppa*-hp-hpux11.23)
613                         AFS_SYSNAME="hp_ux1123"
614                         ;;
615                 ia64-hp-hpux11.22)
616                         AFS_SYSNAME="ia64_hpux1122"
617                         ;;
618                 ia64-hp-hpux*)
619                         AFS_SYSNAME="ia64_hpux1123"
620                         ;;
621                 hppa*-hp-hpux10*)
622                         AFS_SYSNAME="hp_ux102"
623                         ;;
624                 powerpc-apple-darwin7*)
625                         AFS_SYSNAME="ppc_darwin_70"
626                         OSXSDK="macosx10.3"
627                         ;;
628                 powerpc-apple-darwin8.*)
629                         AFS_SYSNAME="ppc_darwin_80"
630                         OSXSDK="macosx10.4"
631                         ;;
632                 i386-apple-darwin8.*)
633                         AFS_SYSNAME="x86_darwin_80"
634                         OSXSDK="macosx10.4"
635                         ;;
636                 powerpc-apple-darwin9.*)
637                         AFS_SYSNAME="ppc_darwin_90"
638                         OSXSDK="macosx10.5"
639                         ;;
640                 i386-apple-darwin9.*)
641                         AFS_SYSNAME="x86_darwin_90"
642                         OSXSDK="macosx10.5"
643                         ;;
644                 i?86-apple-darwin10.*)
645                         AFS_SYSNAME="x86_darwin_100"
646                         OSXSDK="macosx10.6"
647                         ;;
648                 x86_64-apple-darwin10.*)
649                         AFS_SYSNAME="x86_darwin_100"
650                         OSXSDK="macosx10.6"
651                         ;;
652                 arm-apple-darwin10.*)
653                         AFS_SYSNAME="arm_darwin_100"
654                         OSXSDK="iphoneos4.0"
655                         ;;
656                 x86_64-apple-darwin11.*)
657                         AFS_SYSNAME="x86_darwin_110"
658                         OSXSDK="macosx10.7"
659                         ;;
660                 i?86-apple-darwin11.*)
661                         AFS_SYSNAME="x86_darwin_110"
662                         OSXSDK="macosx10.7"
663                         ;;
664                 x86_64-apple-darwin12.*)
665                         AFS_SYSNAME="x86_darwin_120"
666                         OSXSDK="macosx10.8"
667                         ;;
668                 i?86-apple-darwin12.*)
669                         AFS_SYSNAME="x86_darwin_120"
670                         OSXSDK="macosx10.8"
671                         ;;
672                 x86_64-apple-darwin13.*)
673                         AFS_SYSNAME="x86_darwin_130"
674                         OSXSDK="macosx10.9"
675                         ;;
676                 i?86-apple-darwin13.*)
677                         AFS_SYSNAME="x86_darwin_130"
678                         OSXSDK="macosx10.9"
679                         ;;
680                 x86_64-apple-darwin14.*)
681                         AFS_SYSNAME="x86_darwin_140"
682                         OSXSDK="macosx10.10"
683                         ;;
684                 i?86-apple-darwin14.*)
685                         AFS_SYSNAME="x86_darwin_140"
686                         OSXSDK="macosx10.10"
687                         ;;
688                 x86_64-apple-darwin15.*)
689                         AFS_SYSNAME="x86_darwin_150"
690                         OSXSDK="macosx10.11"
691                         ;;
692                 i?86-apple-darwin15.*)
693                         AFS_SYSNAME="x86_darwin_150"
694                         OSXSDK="macosx10.11"
695                         ;;
696                 sparc-sun-solaris2.8)
697                         AFS_SYSNAME="sun4x_58"
698                         ;;
699                 sparc-sun-solaris2.9)
700                         AFS_SYSNAME="sun4x_59"
701                         ;;
702                 sparc-sun-solaris2.10)
703                         AFS_SYSNAME="sun4x_510"
704                         ;;
705                 sparc-sun-solaris2.11)
706                         AFS_SYSNAME="sun4x_511"
707                         ;;
708                 i386-pc-solaris2.8)
709                         AFS_SYSNAME="sunx86_58"
710                         ;;
711                 i386-pc-solaris2.9)
712                         AFS_SYSNAME="sunx86_59"
713                         ;;
714                 i386-pc-solaris2.10)
715                         AFS_SYSNAME="sunx86_510"
716                         ;;
717                 i386-pc-solaris2.11)
718                         AFS_SYSNAME="sunx86_511"
719                         ;;
720                 alpha*-dec-osf4.0*)
721                         AFS_SYSNAME="alpha_dux40"
722                         ;;
723                 alpha*-dec-osf5.0*)
724                         AFS_SYSNAME="alpha_dux50"
725                         ;;
726                 alpha*-dec-osf5.1*)
727                         AFS_SYSNAME="alpha_dux51"
728                         ;;
729                 mips-sgi-irix6.5)
730                         AFS_SYSNAME="sgi_65"
731                         enable_pam="no"
732                         ;;
733                 ia64-*-linux*)
734                         AFS_SYSNAME="ia64_linuxXX"
735                         ;;
736                 powerpc-*-linux*)
737                         AFS_SYSNAME="`/bin/arch`_linuxXX"
738                         ;;
739                 powerpc64-*-linux*)
740                         AFS_SYSNAME="ppc64_linuxXX"
741                         ;;
742                 alpha*-linux*)
743                         AFS_SYSNAME="alpha_linux_XX"
744                         ;;
745                 s390-*-linux*)
746                         AFS_SYSNAME="s390_linuxXX"
747                         ;;
748                 s390x-*-linux*)
749                         AFS_SYSNAME="s390x_linuxXX"
750                         ;;
751                 sparc-*-linux*)
752                         AFS_SYSNAME="`/bin/arch`_linuxXX"
753                         ;;
754                 sparc64-*-linux*)
755                         AFS_SYSNAME="sparc64_linuxXX"
756                         ;;
757                 i?86-*-linux*)
758                         AFS_SYSNAME="i386_linuxXX"
759                         ;;
760                 arm*-linux*)
761                         AFS_SYSNAME="arm_linuxXX"
762                         ;;
763                 parisc-*-linux-gnu|hppa-*-linux-gnu)
764                         AFS_SYSNAME="parisc_linuxXX"
765                         enable_pam="no"
766                         ;;
767                 power*-ibm-aix4.2*)
768                         AFS_SYSNAME="rs_aix42"
769                         enable_pam="no"
770                         ;;
771                 power*-ibm-aix4.3*)
772                         AFS_SYSNAME="rs_aix42"
773                         enable_pam="no"
774                         ;;
775                 power*-ibm-aix5.1*)
776                         AFS_SYSNAME="rs_aix51"
777                         enable_pam="no"
778                         ;;
779                 power*-ibm-aix5.2*)
780                         AFS_SYSNAME="rs_aix52"
781                         enable_pam="no"
782                         ;;
783                 power*-ibm-aix5.3*)
784                         AFS_SYSNAME="rs_aix53"
785                         enable_pam="no"
786                         ;;
787                 power*-ibm-aix6.1*)
788                         AFS_SYSNAME="rs_aix61"
789                         enable_pam="no"
790                         ;;
791                 x86_64-*-linux-gnu)
792                         AFS_SYSNAME="amd64_linuxXX"
793                         enable_pam="yes"
794                         ;;
795                 *)
796                         AC_MSG_ERROR(An AFS sysname is required)
797                         exit 1
798                         ;;
799         esac
800         case $AFS_SYSNAME in
801                 *_linux* | *_umlinux*)
802                         if test "x${AFS_SYSKVERS}" = "x"; then
803                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
804                         fi
805                         if test "x${AFS_SYSKVERS}" = "x24" ||
806                                 test "x${AFS_SYSKVERS}" = "x22"; then
807                             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.])
808                         fi
809                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
810                         AFS_SYSNAME="$_AFS_SYSNAME"
811                         AC_TRY_KBUILD(
812                          [],
813                          [#ifndef CONFIG_USERMODE
814                           #error not UML
815                           #endif],
816                          ac_cv_linux_is_uml=yes,)
817                         if test "${ac_cv_linux_is_uml}" = yes; then
818                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
819                         fi
820                         AFS_SYSNAME="$_AFS_SYSNAME"
821                         ;;
822         esac
823         AC_MSG_RESULT($AFS_SYSNAME)
824 fi
825
826 case $AFS_SYSNAME in
827         *_darwin*)
828                 AC_CHECK_HEADERS(crt_externs.h)
829                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
830                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
831                 AC_SUBST(OSXSDK)
832                 ;;
833 esac
834
835 dnl Some hosts have a separate common param file they should include.  Figure
836 dnl out if we're on one of them now that we know the sysname.
837 case $AFS_SYSNAME in
838     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
839     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
840     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
841     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
842     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
843     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
844     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
845     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
846     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
847     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
848     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
849     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
850     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
851     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
852     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
853     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
854     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
855     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
856     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
857     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
858     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
859     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
860     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
861     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
862     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
863     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
864     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
865     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
866     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
867     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
868     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
869     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
870     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
871     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
872 # Linux alpha adds an extra underscore for no good reason.
873     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
874     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
875 esac
876
877 OPENAFS_OSCONF
878
879 case $AFS_SYSNAME in *_linux* | *_umlinux*)
880
881                 # Add (sub-) architecture-specific paths needed by conftests
882                 case $AFS_SYSNAME  in
883                         *_umlinux26)
884                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
885                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
886                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
887                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
888                 esac
889
890                 if test "x$enable_kernel_module" = "xyes"; then
891                  if test "x$enable_debug_kernel" = "xno"; then
892                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
893                  fi
894                  OPENAFS_GCC_SUPPORTS_MARCH
895                  AC_SUBST(P5PLUS_KOPTS)
896                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
897                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
898                  OPENAFS_GCC_SUPPORTS_NO_COMMON
899                  OPENAFS_GCC_SUPPORTS_PIPE
900                  AC_SUBST(LINUX_GCC_KOPTS)
901
902                  dnl Setup the kernel build environment
903                  LINUX_KBUILD_USES_EXTRA_CFLAGS
904                  LINUX_KERNEL_COMPILE_WORKS
905
906                  dnl Operation signature checks
907                  AC_CHECK_LINUX_OPERATION([inode_operations], [follow_link], [no_nameidata],
908                                           [#include <linux/fs.h>],
909                                           [const char *],
910                                           [struct dentry *dentry, void **link_data])
911                  AC_CHECK_LINUX_OPERATION([inode_operations], [put_link], [no_nameidata],
912                                           [#include <linux/fs.h>],
913                                           [void],
914                                           [struct inode *inode, void *link_data])
915
916                  dnl Check for header files
917                  AC_CHECK_LINUX_HEADER([config.h])
918                  AC_CHECK_LINUX_HEADER([completion.h])
919                  AC_CHECK_LINUX_HEADER([exportfs.h])
920                  AC_CHECK_LINUX_HEADER([freezer.h])
921                  AC_CHECK_LINUX_HEADER([key-type.h])
922                  AC_CHECK_LINUX_HEADER([semaphore.h])
923                  AC_CHECK_LINUX_HEADER([seq_file.h])
924
925                  dnl Type existence checks
926                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
927                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
928
929                  dnl Check for structure elements
930                  AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
931                  AC_CHECK_LINUX_STRUCT([address_space_operations],
932                                        [write_begin], [fs.h])
933                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
934                                        [backing-dev.h])
935                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
936                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
937                  AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
938                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
939                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
940                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
941                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
942                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
943                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
944                  AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
945                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
946                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
947                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
948                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
949                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
950                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
951                  AC_CHECK_LINUX_STRUCT([key], [payload.value], [key.h])
952                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
953                  AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
954                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
955                  AC_CHECK_LINUX_STRUCT([msghdr], [msg_iter], [socket.h])
956                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
957                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
958                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
959                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
960                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
961                                        [fs.h])
962                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
963                                        [fs.h])
964                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
965                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
966                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
967                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
968                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
969                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
970                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
971                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
972                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
973                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
974                  AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h])
975                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
976
977                  dnl Check for typed structure elements
978                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
979                                              [buf], [fs.h])
980
981                  dnl Function existence checks
982
983                  AC_CHECK_LINUX_FUNC([__vfs_read],
984                                      [#include <linux/fs.h>],
985                                      [__vfs_read(NULL, NULL, 0, NULL);])
986                  AC_CHECK_LINUX_FUNC([bdi_init],
987                                      [#include <linux/backing-dev.h>],
988                                      [bdi_init(NULL);])
989                  AC_CHECK_LINUX_FUNC([PageChecked],
990                                      [#include <linux/mm.h>
991 #include <linux/page-flags.h>],
992                                      [struct page *_page;
993                                       int bchecked = PageChecked(_page);])
994                  AC_CHECK_LINUX_FUNC([PageFsMisc],
995                                      [#include <linux/mm.h>
996 #include <linux/page-flags.h>],
997                                      [struct page *_page;
998                                       int bchecked = PageFsMisc(_page);])
999                  AC_CHECK_LINUX_FUNC([clear_inode],
1000                                      [#include <linux/fs.h>],
1001                                      [clear_inode(NULL);])
1002                  AC_CHECK_LINUX_FUNC([current_kernel_time],
1003                                      [#include <linux/time.h>],
1004                                      [struct timespec s;
1005                                       s = current_kernel_time();])
1006                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
1007                                      [#include <linux/fs.h>],
1008                                      [d_alloc_anon(NULL);])
1009                  AC_CHECK_LINUX_FUNC([d_count],
1010                                      [#include <linux/dcache.h>],
1011                                      [d_count(NULL);])
1012                  AC_CHECK_LINUX_FUNC([d_make_root],
1013                                      [#include <linux/fs.h>],
1014                                      [d_make_root(NULL);])
1015                  AC_CHECK_LINUX_FUNC([do_sync_read],
1016                                      [#include <linux/fs.h>],
1017                                      [do_sync_read(NULL, NULL, 0, NULL);])
1018                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
1019                                      [#include <linux/sched.h>],
1020                                      [pid_t p; find_task_by_pid(p);])
1021                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
1022                                      [#include <linux/fs.h>],
1023                                      [generic_file_aio_read(NULL,NULL,0,0);])
1024                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
1025                                      [#include <linux/pagemap.h>],
1026                                      [grab_cache_page_write_begin(NULL, 0, 0);])
1027                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
1028                                      [#include <linux/list.h>],
1029                                      [hlist_unhashed(0);])
1030                  AC_CHECK_LINUX_FUNC([ihold],
1031                                      [#include <linux/fs.h>],
1032                                      [ihold(NULL);])
1033                  AC_CHECK_LINUX_FUNC([i_size_read],
1034                                      [#include <linux/fs.h>],
1035                                      [i_size_read(NULL);])
1036                  AC_CHECK_LINUX_FUNC([inode_setattr],
1037                                      [#include <linux/fs.h>],
1038                                      [inode_setattr(NULL, NULL);])
1039                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
1040                                      [#include <linux/fs.h>],
1041                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
1042                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
1043                                      [#include <linux/net.h>],
1044                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
1045                  AC_CHECK_LINUX_FUNC([page_follow_link],
1046                                      [#include <linux/fs.h>],
1047                                      [page_follow_link(0,0);])
1048                  AC_CHECK_LINUX_FUNC([page_offset],
1049                                      [#include <linux/pagemap.h>],
1050                                      [page_offset(NULL);])
1051                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
1052                                      [#include <linux/pagevec.h>],
1053                                      [__pagevec_lru_add_file(NULL);])
1054                  AC_CHECK_LINUX_FUNC([path_lookup],
1055                                      [#include <linux/fs.h>
1056                                       #include <linux/namei.h>],
1057                                      [path_lookup(NULL, 0, NULL);])
1058                  AC_CHECK_LINUX_FUNC([proc_create],
1059                                      [#include <linux/proc_fs.h>],
1060                                      [proc_create(NULL, 0, NULL, NULL);])
1061                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
1062                                      [#include <linux/rcupdate.h>],
1063                                      [rcu_read_lock();])
1064                  AC_CHECK_LINUX_FUNC([set_nlink],
1065                                      [#include <linux/fs.h>],
1066                                      [set_nlink(NULL, 1);])
1067                  AC_CHECK_LINUX_FUNC([sock_create_kern],
1068                                      [#include <linux/net.h>],
1069                                      [sock_create_kern(0, 0, 0, NULL);])
1070                  AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
1071                                      [#include <linux/net.h>],
1072                                      [sock_create_kern(NULL, 0, 0, 0, NULL);])
1073                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
1074                                      [#include <linux/splice.h>],
1075                                      [splice_direct_to_actor(NULL,NULL,NULL);])
1076                  AC_CHECK_LINUX_FUNC([svc_addr_in],
1077                                      [#include <linux/sunrpc/svc.h>],
1078                                      [svc_addr_in(NULL);])
1079                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1080                                      [#include <linux/highmem.h>],
1081                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1082                  AC_CHECK_LINUX_FUNC([noop_fsync],
1083                                      [#include <linux/fs.h>],
1084                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1085                  AC_CHECK_LINUX_FUNC([kthread_run],
1086                                      [#include <linux/kernel.h>
1087                                       #include <linux/kthread.h>],
1088                                      [kthread_run(NULL, NULL, "test");])
1089
1090                  dnl Consequences - things which get set as a result of the
1091                  dnl                above tests
1092                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1093                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1094                                   [define to disable the nfs translator])])
1095
1096                  dnl Assorted more complex tests
1097                  LINUX_AIO_NONVECTOR
1098                  LINUX_EXPORTS_PROC_ROOT_FS
1099                  LINUX_KMEM_CACHE_INIT
1100                  LINUX_HAVE_KMEM_CACHE_T
1101                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1102                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1103                  LINUX_D_PATH_TAKES_STRUCT_PATH
1104                  LINUX_NEW_EXPORT_OPS
1105                  LINUX_INODE_SETATTR_RETURN_TYPE
1106                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1107                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1108                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1109                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1110                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1111                  LINUX_DOP_D_DELETE_TAKES_CONST
1112                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1113                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1114                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1115                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1116                  LINUX_AOP_WRITEBACK_CONTROL
1117                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1118                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1119                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1120                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1121                  LINUX_KERNEL_SOCK_CREATE
1122                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1123                  LINUX_NEED_RHCONFIG
1124                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1125                  LINUX_EXPORTS_TASKLIST_LOCK
1126                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1127                  LINUX_STATFS_TAKES_DENTRY
1128                  LINUX_REFRIGERATOR
1129                  LINUX_HAVE_TRY_TO_FREEZE
1130                  LINUX_LINUX_KEYRING_SUPPORT
1131                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1132                  LINUX_KEY_ALLOC_NEEDS_CRED
1133                  LINUX_INIT_WORK_HAS_DATA
1134                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1135                  LINUX_HAVE_DCACHE_LOCK
1136                  LINUX_D_COUNT_IS_INT
1137                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1138                  LINUX_IOP_CREATE_TAKES_UMODE_T
1139                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1140                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1141                  LINUX_DENTRY_OPEN_TAKES_PATH
1142                  LINUX_D_ALIAS_IS_HLIST
1143                  LINUX_HLIST_ITERATOR_NO_NODE
1144                  LINUX_IOP_I_CREATE_TAKES_BOOL
1145                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1146                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1147                  LINUX_D_INVALIDATE_IS_VOID
1148
1149                  dnl If we are guaranteed that keyrings will work - that is
1150                  dnl  a) The kernel has keyrings enabled
1151                  dnl  b) The code is new enough to give us a key_type_keyring
1152                  dnl then we just disable syscall probing unless we've been
1153                  dnl told otherwise
1154
1155                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1156                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1157                           [enable_linux_syscall_probing="no"],
1158                           [enable_linux_syscall_probing="yes"])
1159                  ])
1160
1161                  dnl Syscall probing needs a few tests of its own, and just
1162                  dnl won't work if the kernel doesn't export init_mm
1163                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1164                    LINUX_EXPORTS_INIT_MM
1165                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1166                      AC_MSG_ERROR(
1167                        [Can't do syscall probing without exported init_mm])
1168                    ])
1169                    LINUX_EXPORTS_SYS_CHDIR
1170                    LINUX_EXPORTS_SYS_OPEN
1171                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1172                              [define to enable syscall table probes])
1173                  ])
1174
1175                  dnl Packaging and SMP build
1176                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1177                    LINUX_WHICH_MODULES
1178                  else
1179                    AC_SUBST(MPS,'SP')
1180                  fi
1181
1182                  dnl Syscall probing
1183                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1184                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1185                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1186                    ])
1187                    ac_cv_linux_exports_sys_call_table=no
1188                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1189                      ac_cv_linux_exports_ia32_sys_call_table=yes
1190                    fi
1191                  else
1192                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1193                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1194                    LINUX_EXPORTS_SYS_CALL_TABLE
1195                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1196                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1197                          linux_syscall_method=none
1198                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1199                             linux_syscall_method=scan
1200                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1201                                linux_syscall_method=scan_with_kallsyms_address
1202                             fi
1203                          fi
1204                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1205                             linux_syscall_method=kallsyms_symbol
1206                          fi
1207                          if test "x$linux_syscall_method" = "xnone"; then
1208                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1209                             linux_syscall_method=scan
1210                          fi
1211                    fi
1212                  fi
1213                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1214                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1215                  fi
1216                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1217                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1218                  fi
1219                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1220                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1221                  else
1222                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1223                  fi
1224                 :
1225                 fi
1226                 if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
1227                     AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
1228                 fi
1229 dnl Linux-only, but just enable always.
1230                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1231 esac
1232
1233 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1234     [ac_cv_sync_fetch_and_add],
1235     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1236                     [ac_cv_sync_fetch_and_add=yes],
1237                     [ac_cv_sync_fetch_and_add=no])
1238 ])
1239 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1240       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1241                 [define if your C compiler has __sync_add_and_fetch])])
1242
1243 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1244     [ac_cv_sockaddr_len],
1245     [AC_TRY_COMPILE( [#include <sys/types.h>
1246 #include <sys/socket.h>],
1247                      [struct sockaddr *a; a->sa_len=0;],
1248                      [ac_cv_sockaddr_len=yes],
1249                      [ac_cv_sockaddr_len=no])
1250 ])
1251 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1252       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1253                  [define if you struct sockaddr sa_len])])
1254
1255 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1256         echo Skipping library tests because they confuse Irix.
1257 else
1258   AC_SEARCH_LIBS([socket], [socket inet])
1259   AC_SEARCH_LIBS([connect], [nsl])
1260   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1261
1262   dnl darwin wants it, aix hates it
1263   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1264   AC_TRY_COMPILE([
1265   #include <stdlib.h>
1266   #include <stdio.h>
1267   #include <sys/types.h>
1268   #include <sys/socket.h>
1269   #include <netinet/in.h>
1270   #include <arpa/inet.h>
1271   #include <arpa/nameser.h>
1272   #include <arpa/nameser_compat.h>
1273   #include <resolv.h>
1274   ], [static int i; i = 0;],
1275   [AC_MSG_RESULT(yes)
1276    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1277   [AC_MSG_RESULT(no)
1278    ])
1279
1280   openafs_save_libs="$LIBS"
1281   AC_MSG_CHECKING([for res_search])
1282   AC_FUNC_RES_SEARCH
1283
1284   if test "$ac_cv_func_res_search" = no; then
1285       for lib in dns nsl resolv; do
1286         if test "$ac_cv_func_res_search" != yes; then
1287           LIBS="-l$lib $LIBS"
1288           AC_FUNC_RES_SEARCH
1289           LIBS="$openafs_save_libs"
1290         fi
1291       done    
1292       if test "$ac_cv_func_res_search" = yes; then
1293         LIB_AFSDB="-l$lib"
1294         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1295         AC_MSG_RESULT([yes, in lib$lib])
1296       else
1297         AC_MSG_RESULT(no)
1298       fi
1299   else
1300     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1301     AC_MSG_RESULT(yes)
1302   fi
1303   
1304 fi
1305 XLIBS="$LIB_AFSDB $XLIBS"
1306
1307 AC_CHECK_RESOLV_RETRANS
1308
1309 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1310     [ac_cv_setsockopt_iprecverr],
1311     [AC_TRY_COMPILE( [
1312 #include <sys/types.h>
1313 #include <sys/socket.h>
1314 #include <netinet/in.h>],
1315 [int on=1;
1316 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1317         [ac_cv_setsockopt_iprecverr=yes],
1318         [ac_cv_setsockopt_iprecverr=no])])
1319
1320 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1321       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1322                  [define if we can receive socket errors via IP_RECVERR])])
1323
1324 PTHREAD_LIBS=error
1325 if test "x$MKAFS_OSTYPE" = OBSD; then
1326         PTHREAD_LIBS="-pthread"
1327 fi
1328 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1329         PTHREAD_LIBS="-pthread"
1330 fi
1331 if test "x$PTHREAD_LIBS" = xerror; then
1332         AC_CHECK_LIB(pthread, pthread_attr_init,
1333                 PTHREAD_LIBS="-lpthread")
1334 fi
1335 if test "x$PTHREAD_LIBS" = xerror; then
1336         AC_CHECK_LIB(pthreads, pthread_attr_init,
1337                 PTHREAD_LIBS="-lpthreads")
1338 fi
1339 if test "x$PTHREAD_LIBS" = xerror; then
1340         AC_CHECK_LIB(c_r, pthread_attr_init,
1341                 PTHREAD_LIBS="-lc_r")
1342 fi
1343 if test "x$PTHREAD_LIBS" = xerror; then
1344         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1345 fi
1346 if test "x$PTHREAD_LIBS" = xerror; then
1347         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1348         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1349                 PTHREAD_LIBS="-lpthread")
1350 fi
1351 if test "x$PTHREAD_LIBS" = xerror; then
1352         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1353 fi
1354 AC_SUBST(PTHREAD_LIBS)
1355
1356 HOST_CPU="$host_cpu"
1357
1358 if test "x$with_bsd_kernel_headers" != "x"; then
1359         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1360 else
1361         BSD_KERNEL_PATH="/usr/src/sys"
1362 fi
1363
1364 if test "x$with_bsd_kernel_build" != "x"; then
1365         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1366 else
1367         case $AFS_SYSNAME in
1368                 *_fbsd_*)
1369                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1370                         ;;
1371                 *_nbsd*)
1372                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1373         esac
1374 fi
1375
1376 # Fast restart
1377 if test "$enable_supergroups" = "yes"; then
1378         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1379 fi
1380
1381 if test "$enable_bitmap_later" = "yes"; then
1382         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1383 fi
1384
1385 if test "$enable_unix_sockets" = "yes"; then
1386         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1387         USE_UNIX_SOCKETS="yes"
1388 else
1389         USE_UNIX_SOCKETS="no"
1390 fi
1391 AC_SUBST(USE_UNIX_SOCKETS)
1392
1393 if test "$enable_namei_fileserver" = "yes"; then
1394         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1395         VFSCK=""
1396 else
1397         if test "$enable_namei_fileserver" = "default"; then
1398                 case $host in
1399                         *-solaris2.10*)
1400                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1401                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1402                                 VFSCK=""
1403                                 ;;
1404                         *-solaris2.11*)
1405                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1406                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1407                                 VFSCK=""
1408                                 ;;
1409                         *)
1410                                 VFSCK="vfsck"
1411                                 ;;
1412                 esac
1413         else
1414                 VFSCK="vfsck"
1415         fi
1416 fi
1417
1418 dnl check for tivoli
1419 AC_MSG_CHECKING(for tivoli tsm butc support)
1420 XBSA_CFLAGS=""
1421 if test "$enable_tivoli_tsm" = "yes"; then
1422         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1423         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1424         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1425         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1426
1427         if test -r "$XBSADIR3/dsmapifp.h"; then
1428                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1429                 XBSA_XLIBS="-ldl"
1430                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1431         elif test -r "$XBSADIR4/dsmapifp.h"; then
1432                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1433                 XBSA_XLIBS="-ldl"
1434                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1435         elif test -r "$XBSADIR1/xbsa.h"; then
1436                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1437                 XBSA_XLIBS=""
1438                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1439         elif test -r "$XBSADIR2/xbsa.h"; then
1440                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1441                 XBSA_XLIBS=""
1442                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1443         else
1444                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1445         fi
1446 else
1447         AC_MSG_RESULT([no])
1448 fi
1449 AC_SUBST(XBSA_CFLAGS)
1450 AC_SUBST(XBSA_XLIBS) 
1451 XLIBS="$XBSA_XLIBS $XLIBS"
1452
1453 dnl checks for header files.
1454 AC_HEADER_STDC
1455 AC_HEADER_SYS_WAIT
1456 AC_HEADER_DIRENT
1457 AC_CHECK_HEADERS([ \
1458                    arpa/inet.h \
1459                    arpa/nameser.h \
1460                    curses.h\
1461                    direct.h \
1462                    errno.h \
1463                    fcntl.h \
1464                    grp.h \
1465                    math.h \
1466                    mntent.h \
1467                    ncurses.h \
1468                    ncurses/ncurses.h \
1469                    netdb.h \
1470                    netinet/in.h \
1471                    pthread_np.h \
1472                    pwd.h \
1473                    regex.h \
1474                    security/pam_appl.h \
1475                    signal.h \
1476                    stdint.h \
1477                    stdio_ext.h \
1478                    stdlib.h \
1479                    string.h \
1480                    strings.h \
1481                    sys/bitypes.h \
1482                    sys/bswap.h \
1483                    sys/dk.h \
1484                    sys/fcntl.h \
1485                    sys/file.h \
1486                    sys/fs_types.h \
1487                    sys/fstyp.h \
1488                    sys/ioctl.h \
1489                    sys/ipc.h \
1490                    sys/lockf.h \
1491                    sys/map.h \
1492                    sys/mount.h \
1493                    sys/mntent.h \
1494                    sys/mnttab.h \
1495                    sys/pag.h \
1496                    sys/param.h \
1497                    sys/resource.h \
1498                    sys/select.h \
1499                    sys/statfs.h \
1500                    sys/statvfs.h \
1501                    sys/socket.h \
1502                    sys/sysctl.h \
1503                    sys/time.h \
1504                    sys/types.h \
1505                    sys/uio.h \
1506                    sys/un.h \
1507                    sys/vfs.h \
1508                    syslog.h \
1509                    termios.h \
1510                    time.h \
1511                    ucontext.h \
1512                    unistd.h \
1513                    windows.h \
1514                 ])
1515
1516 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1517 #ifdef HAVE_NETINET_IN_H
1518 # include <netinet/in.h>
1519 #endif])
1520
1521 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1522 #ifdef HAVE_SYS_SOCKET_H
1523 # include <sys/socket.h>
1524 #endif])
1525
1526 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1527 #ifdef HAVE_SYS_SOCKET_H
1528 # include <sys/socket.h>
1529 #endif
1530 #ifdef HAVE_NETINET_IN_H
1531 # include <netinet/in.h>
1532 #endif
1533 #ifdef HAVE_NET_IF_H
1534 # include <net/if.h>
1535 #endif])
1536
1537 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1538 #ifdef HAVE_SECURITY_PAM_APPL_H
1539 # include <security/pam_appl.h>
1540 #endif])
1541
1542 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1543
1544 AC_CHECK_TYPES([fsblkcnt_t],,,[
1545 #include <sys/types.h>
1546 #ifdef HAVE_SYS_BITYPES_H
1547 #include <sys/bitypes.h>
1548 #endif
1549 #ifdef HAVE_SYS_STATFS_H
1550 #include <sys/statfs.h>
1551 #endif
1552 #ifdef HAVE_SYS_STATVFS_H
1553 #include <sys/statvfs.h>
1554 #endif
1555 ])
1556
1557 dnl see what struct stat has for timestamps
1558 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1559
1560 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1561
1562 if test "$enable_debug_locks" = yes; then
1563         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1564 fi
1565
1566 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1567         HAVE_PAM="YES"
1568 else
1569         HAVE_PAM="no"
1570 fi
1571 AC_SUBST(HAVE_PAM)
1572
1573 if test "$enable_login" = yes; then
1574         BUILD_LOGIN="yes"
1575 else
1576         BUILD_LOGIN="no"
1577 fi
1578 AC_SUBST(BUILD_LOGIN)
1579
1580 if test "$enable_kauth" = yes; then
1581         INSTALL_KAUTH="yes"
1582 else
1583         INSTALL_KAUTH="no"
1584 fi
1585 AC_SUBST(INSTALL_KAUTH)
1586
1587 AC_CHECK_FUNCS([ \
1588         arc4random \
1589         fcntl \
1590         fseeko64 \
1591         ftello64 \
1592         getcwd \
1593         getegid \
1594         geteuid \
1595         getgid \
1596         getuid \
1597         getrlimit \
1598         issetugid \
1599         mkstemp \
1600         poll \
1601         pread \
1602         preadv \
1603         preadv64 \
1604         pwrite \
1605         pwritev \
1606         pwritev64 \
1607         regcomp \
1608         regerror \
1609         regexec \
1610         setitimer \
1611         setvbuf \
1612         sigaction \
1613         strcasestr \
1614         strerror \
1615         sysconf \
1616         sysctl \
1617         tdestroy \
1618         timegm \
1619 ])
1620
1621 OPENAFS_ROKEN()
1622 OPENAFS_HCRYPTO()
1623 OPENAFS_CURSES()
1624 OPENAFS_C_ATTRIBUTE()
1625 OPENAFS_C_PRAGMA()
1626
1627 dnl Functions that Heimdal's libroken provides, but that we
1628 dnl haven't found a need for yet, and so haven't imported
1629 AC_CHECK_FUNCS([ \
1630         chown \
1631         fchown \
1632         gethostname \
1633         lstat \
1634         inet_aton \
1635         putenv \
1636         readv \
1637         setenv \
1638         strdup \
1639         strftime \
1640         strndup \
1641         strsep \
1642         unsetenv \
1643 ])
1644
1645 dnl Functions that are in objects that we always build from libroken
1646 AC_CHECK_FUNCS([ \
1647         asprintf \
1648         asnprintf \
1649         vasprintf \
1650         vasnprintf \
1651         vsnprintf \
1652         snprintf \
1653 ])
1654
1655 dnl Functions that we're going to try and get from libroken
1656 AC_REPLACE_FUNCS([ \
1657         daemon \
1658         ecalloc \
1659         emalloc \
1660         erealloc \
1661         err \
1662         errx \
1663         flock \
1664         freeaddrinfo \
1665         gai_strerror \
1666         getaddrinfo \
1667         getdtablesize \
1668         getnameinfo \
1669         getopt \
1670         getprogname \
1671         gettimeofday \
1672         inet_ntop \
1673         inet_pton \
1674         localtime_r \
1675         mkstemp \
1676         setenv \
1677         setprogname \
1678         strcasecmp \
1679         strlcat \
1680         strnlen \
1681         strlcpy \
1682         strsep \
1683         tdelete \
1684         tfind \
1685         tsearch \
1686         twalk \
1687         unsetenv \
1688         verr \
1689         verrx \
1690         vsyslog \
1691         vwarn \
1692         vwarnx \
1693         warn \
1694         warnx \
1695 ])
1696
1697 dnl Headers that we're going to try and get from libroken
1698 AC_CHECK_HEADERS([ \
1699         err.h \
1700         search.h \
1701 ])
1702
1703 AC_CHECK_DECLS([h_errno], [], [], [
1704 #include <sys/types.h>
1705 #ifdef HAVE_NETDB_H
1706 #include <netdb.h>
1707 #endif
1708 ])
1709
1710 AC_HEADER_TIME
1711
1712 ROKEN_HEADERS=
1713 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1714       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1715       [])
1716 AC_SUBST(ROKEN_HEADERS)
1717
1718 dnl Stuff that's harder ...
1719 AC_MSG_CHECKING([for bswap16])
1720 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1721 #ifdef HAVE_SYS_TYPES_H
1722 #include <sys/types.h>
1723 #endif
1724 #ifdef HAVE_SYS_BSWAP_H
1725 #include <sys/bswap.h>
1726 #endif
1727 ],
1728 [short a, b; b = bswap16(a); ])],
1729 [AC_MSG_RESULT(yes)
1730  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1731 ],
1732 [AC_MSG_RESULT(no)])
1733
1734 AC_MSG_CHECKING([for bswap32])
1735 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1736 #include <sys/types.h>
1737 #endif
1738 #ifdef HAVE_SYS_BSWAP_H
1739 #include <sys/bswap.h>
1740 #endif
1741 ],
1742 [int a, b; b = bswap32(a); ])],
1743 [AC_MSG_RESULT(yes)
1744  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1745 ],
1746 [AC_MSG_RESULT(no)])
1747
1748 case $AFS_SYSNAME in
1749 *hp_ux* | *hpux*)
1750    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1751    ;;
1752 *)
1753    AC_MSG_CHECKING([for positional I/O])
1754    if test "$ac_cv_func_pread" = "yes" && \
1755            test "$ac_cv_func_pwrite" = "yes"; then
1756       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1757       AC_MSG_RESULT(yes)
1758    else
1759      AC_MSG_RESULT(no)
1760    fi
1761    AC_MSG_CHECKING([for vectored positional I/O])
1762    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1763                "$ac_cv_func_pwritev" = "yes" -a \
1764                "$ac_cv_func_preadv64" = "yes" -a \
1765                "$ac_cv_func_pwritev64" = "yes"],
1766          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1767           AC_MSG_RESULT(yes)],
1768          [AC_MSG_RESULT(no)])
1769    ;;
1770 esac
1771
1772 AC_MSG_CHECKING([for POSIX regex library])
1773 if test "$ac_cv_header_regex_h" = "yes" && \
1774         test "$ac_cv_func_regcomp" = "yes" && \
1775         test "$ac_cv_func_regexec" = "yes" && \
1776         test "$ac_cv_func_regerror" = "yes"; then
1777     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1778     AC_MSG_RESULT(yes)
1779 else
1780     AC_MSG_RESULT(no)
1781 fi
1782
1783 dnl Look for "non-portable" pthreads functions.
1784 save_LIBS="$LIBS"
1785 LIBS="$LIBS $PTHREAD_LIBS"
1786 AC_CHECK_FUNCS([ \
1787         pthread_set_name_np \
1788         pthread_setname_np \
1789 ])
1790
1791 dnl Sadly, there are three different versions of pthread_setname_np.
1792 dnl Try to cater for all of them.
1793 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1794     AC_MSG_CHECKING([for signature of pthread_setname_np])
1795     AC_TRY_COMPILE([
1796 #include <pthread.h>
1797 #ifdef HAVE_PTHREAD_NP_H
1798 #include <pthread_np.h>
1799 #endif
1800 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1801         AC_MSG_RESULT([three arguments])
1802         pthread_setname_np_args=3], [
1803         AC_TRY_COMPILE([
1804 #include <pthread.h>
1805 #ifdef HAVE_PTHREAD_NP_H
1806 #include <pthread_np.h>
1807 #endif
1808 ], [pthread_setname_np(pthread_self(), "test")], [
1809             AC_MSG_RESULT([two arguments])
1810             pthread_setname_np_args=2], [
1811             AC_TRY_COMPILE([
1812 #include <pthread.h>
1813 #ifdef HAVE_PTHREAD_NP_H
1814 #include <pthread_np.h>
1815 #endif
1816 ], [pthread_setname_np("test")], [
1817                 AC_MSG_RESULT([one argument])
1818                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1819 ])
1820 ])
1821 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1822 fi
1823 LIBS="$save_LIBS"
1824
1825 openafs_cv_saved_CFLAGS="$CFLAGS"
1826 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1827
1828 AC_TYPE_SIGNAL
1829 OPENAFS_RETSIGTYPE
1830 AC_CHECK_SIZEOF(void *)
1831 AC_CHECK_SIZEOF(unsigned long long)
1832 AC_CHECK_SIZEOF(unsigned long)
1833 AC_CHECK_SIZEOF(unsigned int)
1834 AC_TYPE_INTPTR_T
1835 AC_TYPE_UINTPTR_T
1836 AC_TYPE_SSIZE_T
1837 AC_CHECK_TYPE([sig_atomic_t],[],
1838     [AC_DEFINE([sig_atomic_t], [int],
1839         [Define to int if <signal.h> does not define.])],
1840 [#include <sys/types.h>
1841 #include <signal.h>])
1842 AC_CHECK_TYPE([socklen_t],[],
1843     [AC_DEFINE([socklen_t], [int],
1844         [Define to int if <sys/socket.h> does not define.])],
1845 [#include <sys/types.h>
1846 #include <sys/socket.h>])
1847 AC_CHECK_TYPES(off64_t)
1848 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1849 AC_CHECK_TYPES([struct winsize], [], [], [
1850 #ifdef HAVE_TERMIOS_H
1851 # include <termios.h>
1852 #else
1853 # include <sys/termios.h>
1854 #endif
1855 #include <sys/ioctl.h>])
1856 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1857                 struct sockaddr_storage],
1858                [], [], [
1859 #include <sys/types.h>
1860 #include <sys/socket.h>
1861 ])
1862 AC_CHECK_TYPES([sa_family_t], [], [], [
1863 #include <sys/types.h>
1864 #include <sys/socket.h>
1865 ])
1866 AC_CHECK_TYPES([struct addrinfo], [], [], [
1867 #include <sys/types.h>
1868 #ifdef HAVE_NETDB_H
1869 #include <netdb.h>
1870 #endif
1871 ])
1872 AC_CHECK_TYPES([long long], [], [], [])
1873
1874 AC_SIZEOF_TYPE(long)
1875
1876 CFLAGS="$openafs_cv_saved_CFLAGS"
1877
1878 RRA_HEADER_PAM_CONST
1879
1880
1881 dnl Directory PATH handling
1882 if test "x$enable_transarc_paths" = "xyes"  ; then 
1883     afsconfdir=${afsconfdir=/usr/afs/etc}
1884     viceetcdir=${viceetcdir=/usr/vice/etc}
1885     afskerneldir=${afskerneldir=${viceetcdir}}
1886     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1887     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1888     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1889     afsdbdir=${afsdbdir=/usr/afs/db}
1890     afslogsdir=${afslogsdir=/usr/afs/logs}
1891     afslocaldir=${afslocaldir=/usr/afs/local}
1892     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1893     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1894     afsdatadir=${afsdatadir=/usr/vice/etc}
1895 else 
1896     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1897     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1898     afskerneldir=${afskerneldir='${libdir}/openafs'}
1899     afssrvbindir=${afssrvbindir='${bindir}'}
1900     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1901     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1902     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1903     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1904     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1905     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1906     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1907     afsdatadir=${afsdatadir='${datadir}/openafs'}
1908 fi
1909 AC_SUBST(afsconfdir)
1910 AC_SUBST(viceetcdir)
1911 AC_SUBST(afskerneldir)
1912 AC_SUBST(afssrvbindir)
1913 AC_SUBST(afssrvsbindir)
1914 AC_SUBST(afssrvlibexecdir)
1915 AC_SUBST(afsdbdir)
1916 AC_SUBST(afslogsdir)
1917 AC_SUBST(afslocaldir)
1918 AC_SUBST(afsbackupdir)
1919 AC_SUBST(afsbosconfigdir)
1920 AC_SUBST(afsdatadir)
1921
1922 if test "x$enable_kernel_module" = "xyes"; then
1923 ENABLE_KERNEL_MODULE=libafs
1924 fi
1925
1926 if test "x$enable_pthreaded_ubik" = "xyes"; then
1927 ENABLE_PTHREADED_UBIK=yes
1928 fi
1929
1930 AC_SUBST(VFSCK)
1931 AC_SUBST(AFS_SYSNAME)
1932 AC_SUBST(AFS_PARAM_COMMON)
1933 AC_SUBST(ENABLE_KERNEL_MODULE)
1934 AC_SUBST(ENABLE_PTHREADED_UBIK)
1935 AC_SUBST(LIB_AFSDB)
1936 AC_SUBST(LINUX_KERNEL_PATH)
1937 AC_SUBST(LINUX_KERNEL_BUILD)
1938 AC_SUBST(HOST_CPU)
1939 AC_SUBST(BSD_KERNEL_PATH)
1940 AC_SUBST(BSD_KERNEL_BUILD)
1941 AC_SUBST(LINUX_VERSION)
1942 AC_SUBST(MKAFS_OSTYPE)
1943 AC_SUBST(TOP_OBJDIR)
1944 AC_SUBST(TOP_SRCDIR)
1945 AC_SUBST(TOP_INCDIR)
1946 AC_SUBST(TOP_LIBDIR)
1947 AC_SUBST(DEST)
1948 AC_SUBST(DARWIN_INFOFILE)
1949 AC_SUBST(IRIX_BUILD_IP35)
1950 AC_SUBST(HTML_XSL)
1951 AC_SUBST(XSLTPROC)
1952 AC_SUBST(DOCBOOK2PDF)
1953 AC_SUBST(DOCBOOK_STYLESHEETS)
1954
1955 OPENAFS_FUSE
1956 OPENAFS_SWIG
1957
1958 TOP_SRCDIR="${srcdir}/src"
1959 dnl
1960 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1961 dnl
1962 case $TOP_SRCDIR in
1963         /*)
1964                 ;;
1965         *)
1966                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1967                 ;;
1968 esac
1969
1970 TOP_OBJDIR="${SRCDIR_PARENT}"
1971 TOP_INCDIR="${SRCDIR_PARENT}/include"
1972 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1973 if test "${DEST}x" = "x"; then
1974         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1975 fi
1976
1977 if test "x$with_crosstools_dir" != "x"; then
1978         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
1979                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
1980                 CONFIGTOOL_PATH=$with_crosstools_dir/config
1981                 RXGEN_PATH=$with_crosstools_dir/rxgen
1982         else
1983                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
1984                 exit 1
1985         fi
1986 else
1987         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
1988         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
1989         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
1990 fi
1991 AC_SUBST(COMPILE_ET_PATH)
1992 AC_SUBST(CONFIGTOOL_PATH)
1993 AC_SUBST(RXGEN_PATH)
1994
1995 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1996 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1997 AC_SUBST(HELPER_SPLINT)
1998 AC_SUBST(HELPER_SPLINTCFG)
1999
2000 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
2001
2002 dnl Check to see if crypt lives in a different library
2003 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
2004 AC_SUBST(LIB_crypt)
2005
2006 dnl Check to see if the compiler support labels in structs
2007 AC_MSG_CHECKING(for label support in structs)
2008 AC_TRY_COMPILE([], [
2009 extern void osi_UFSOpen(void);
2010 struct labeltest {
2011    void (*open) (void);
2012 };
2013 struct labeltest struct_labeltest = {
2014    .open       = osi_UFSOpen,
2015 }
2016 ],
2017 [AC_MSG_RESULT(yes)
2018  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
2019 ],
2020 [AC_MSG_RESULT(no)
2021 ])
2022
2023 AC_MSG_CHECKING([checking for dirfd])
2024 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
2025 #ifdef HAVE_DIRENT_H
2026 #include <dirent.h>
2027 #endif
2028 ]],
2029         [[DIR *d = 0; dirfd(d);]])],
2030         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
2031 if test "$ac_rk_have_dirfd" = "yes" ; then
2032         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
2033 fi
2034 AC_MSG_RESULT($ac_rk_have_dirfd)
2035
2036 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
2037 #ifdef HAVE_DIRENT_H
2038 #include <dirent.h>
2039 #endif])
2040
2041 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
2042 [#ifdef HAVE_SYS_RESOURCE_H
2043 #include <sys/resource.h>
2044 #endif])
2045
2046 dnl Check for UUID library
2047 AC_CHECK_HEADERS([uuid/uuid.h])
2048 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
2049 AC_CHECK_FUNCS([uuid_generate])
2050 ])
2051
2052