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