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