Avoid gcc warning
[openafs.git] / acinclude.m4
1 dnl This file contains the common configuration code which would
2 dnl otherwise be duplicated between configure and configure-libafs.
3 dnl
4 dnl NB: Because this code is a macro, references to positional shell
5 dnl parameters must be done like $[]1 instead of $1
6
7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
8 AH_BOTTOM([
9 #undef HAVE_RES_SEARCH
10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
12 # if ENDIANESS_IN_SYS_PARAM_H
13 #  ifndef KERNEL
14 #   include <sys/types.h>
15 #   include <sys/param.h>
16 #   if BYTE_ORDER == BIG_ENDIAN
17 #    define WORDS_BIGENDIAN 1
18 #   endif
19 #  else
20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
21 #    define WORDS_BIGENDIAN 1
22 #   else
23 #    undef WORDS_BIGENDIAN
24 #   endif
25 #  endif
26 # else
27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
28 #   define WORDS_BIGENDIAN 1
29 #  else
30 #   undef WORDS_BIGENDIAN
31 #  endif
32 # endif
33 #else
34 # if defined(__BIG_ENDIAN__)
35 #  define WORDS_BIGENDIAN 1
36 # else
37 #  undef WORDS_BIGENDIAN
38 # endif
39 #endif
40 #ifdef UKERNEL
41 /*
42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
43  * play nice with some other interfaces like FUSE. We technically only would
44  * need to define this when building for such interfaces, but set it always to
45  * try and reduce potential confusion. 
46  */
47 # define _FILE_OFFSET_BITS 64
48 # define AFS_CACHE_VNODE_PATH
49 #endif
50
51 #undef AFS_NAMEI_ENV
52 #undef BITMAP_LATER
53 #undef FAST_RESTART
54 #undef DEFINED_FOR_EACH_PROCESS
55 #undef DEFINED_PREV_TASK
56 #undef EXPORTED_SYS_CALL_TABLE
57 #undef EXPORTED_IA32_SYS_CALL_TABLE
58 #undef IRIX_HAS_MEM_FUNCS
59 #undef RECALC_SIGPENDING_TAKES_VOID
60 #undef STRUCT_FS_HAS_FS_ROLLED
61 #undef ssize_t
62 /* glue for RedHat kernel bug */
63 #undef ENABLE_REDHAT_BUILDSYS
64 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
65 # include "redhat-fix.h"
66 #endif])
67
68 AC_CANONICAL_HOST
69 SRCDIR_PARENT=`pwd`
70
71 #BOZO_SAVE_CORES pam
72
73 dnl System identity.
74 AC_ARG_WITH([afs-sysname],
75     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])
76 ])
77
78 dnl General feature options.
79 AC_ARG_ENABLE([namei-fileserver],
80     [AS_HELP_STRING([--enable-namei-fileserver],
81         [force compilation of namei fileserver in preference to inode
82          fileserver])],
83     [],
84     [enable_namei_fileserver="default"])
85 AC_ARG_ENABLE([supergroups],
86     [AS_HELP_STRING([--enable-supergroups],
87         [enable support for nested pts groups])],
88     [],
89     [enable_supergroups="no"])
90 AC_ARG_ENABLE([bitmap-later],
91     [AS_HELP_STRING([--enable-bitmap-later],
92         [enable fast startup of file server by not reading bitmap till
93          needed])],
94     [AS_IF([test x"$withval" = xyes],
95         [AC_MSG_WARN([bitmap-later is only used by non-demand-attach
96             fileservers.  Please migrate to demand-attach instead.])])],
97     [enable_bitmap_later="no"])
98 AC_ARG_ENABLE([unix-sockets],
99     [AS_HELP_STRING([--disable-unix-sockets],
100         [disable use of unix domain sockets for fssync (defaults to enabled)])],
101     [],
102     [enable_unix_sockets="yes"])
103 AC_ARG_ENABLE([tivoli-tsm],
104     [AS_HELP_STRING([--enable-tivoli-tsm],
105         [enable use of the Tivoli TSM API libraries for butc support])],
106     [],
107     [enable_tivoli_tsm="no"])
108 AC_ARG_ENABLE([pthreaded-ubik],
109     [AS_HELP_STRING([--disable-pthreaded-ubik],
110         [disable installation of pthreaded ubik applications (defaults to
111          enabled)])],
112     [],
113     [enable_pthreaded_ubik="yes"])
114 AC_ARG_ENABLE([ubik-read-while-write],
115     [AS_HELP_STRING([--enable-ubik-read-while-write],
116         [enable vlserver read from db cache during write locks (EXPERIMENTAL)])],
117     [],
118     [enable_ubik_read_while_write="no"])
119
120 dnl Kernel module build options.
121 AC_ARG_WITH([linux-kernel-headers],
122     [AS_HELP_STRING([--with-linux-kernel-headers=path],
123         [use the kernel headers found at path (optional, defaults to
124          /lib/modules/`uname -r`/build, then /lib/modules/`uname -r`/source,
125          then /usr/src/linux-2.4, and lastly /usr/src/linux)])
126 ])
127 AC_ARG_WITH([linux-kernel-build],
128     [AS_HELP_STRING([--with-linux-kernel-build=path],
129         [use the kernel build found at path(optional, defaults to
130         kernel headers path)]
131 )])
132 AC_ARG_WITH([bsd-kernel-headers],
133     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
134         [use the kernel headers found at path (optional, defaults to
135          /usr/src/sys)])
136 ])
137 AC_ARG_WITH([bsd-kernel-build],
138     [AS_HELP_STRING([--with-bsd-kernel-build=path],
139         [use the kernel build found at path (optional, defaults to
140          KSRC/i386/compile/GENERIC)])
141 ])
142 AC_ARG_WITH([linux-kernel-packaging],
143     [AS_HELP_STRING([--with-linux-kernel-packaging],
144         [use standard naming conventions to aid Linux kernel build packaging
145          (disables MPS, sets the kernel module name to openafs.ko, and
146          installs kernel modules into the standard Linux location)])],
147     [AC_SUBST([LINUX_KERNEL_PACKAGING], [yes])
148      AC_SUBST([LINUX_LIBAFS_NAME], [openafs])],
149     [AC_SUBST([LINUX_LIBAFS_NAME], [libafs])
150 ])
151 AC_ARG_ENABLE([kernel-module],
152     [AS_HELP_STRING([--disable-kernel-module],
153         [disable compilation of the kernel module (defaults to enabled)])],
154     [],
155     [enable_kernel_module="yes"])
156 AC_ARG_ENABLE([redhat-buildsys],
157     [AS_HELP_STRING([--enable-redhat-buildsys],
158         [enable compilation of the redhat build system kernel (defaults to
159          disabled)])],
160     [],
161     [enable_redhat_buildsys="no"])
162
163 dnl Installation locations.
164 AC_ARG_ENABLE([transarc-paths],
165     [AS_HELP_STRING([--enable-transarc-paths],
166         [use Transarc style paths like /usr/afs and /usr/vice])],
167     [],
168     [enable_transarc_paths="no"])
169
170 dnl Deprecated crypto
171 AC_ARG_ENABLE([kauth],
172     [AS_HELP_STRING([--enable-kauth],
173         [install the deprecated kauth server, pam modules, and utilities
174          (defaults to disabled)])],
175     [enable_pam="yes"],
176     [enable_kauth="no"
177      enable_pam="no"])
178
179 dnl Optimization and debugging flags.
180 AC_ARG_ENABLE([strip-binaries],
181     [AS_HELP_STRING([--disable-strip-binaries],
182         [disable stripping of symbol information from binaries (defaults to
183          enabled)])],
184     [],
185     [enable_strip_binaries="maybe"])
186 AC_ARG_ENABLE([debug],
187     [AS_HELP_STRING([--enable-debug],
188         [enable compilation of the user space code with debugging information
189          (defaults to disabled)])],
190     [],
191     [enable_debug="no"])
192 AC_ARG_ENABLE([optimize],
193     [AS_HELP_STRING([--disable-optimize],
194         [disable optimization for compilation of the user space code (defaults
195          to enabled)])],
196     [],
197     [enable_optimize="yes"])
198 AC_ARG_ENABLE([warnings],
199     [AS_HELP_STRING([--enable-warnings],
200         [enable compilation warnings when building with gcc (defaults to
201          disabled)])],
202     [],
203     [enable_warnings="no"])
204 AC_ARG_ENABLE([checking],
205     [AS_HELP_STRING([--enable-checking],
206         [turn compilation warnings into errors when building with gcc (defaults
207          to disabled)])],
208     [enable_checking="$enableval"],
209     [enable_checking="no"])
210 AC_ARG_ENABLE([debug-locks],
211     [AS_HELP_STRING([--enable-debug-locks],
212         [turn on lock debugging assertions (defaults to disabled)])],
213     [enable_debug_locks="$enableval"],
214     [enable_debug_locks="no"])
215 AC_ARG_ENABLE([debug-kernel],
216     [AS_HELP_STRING([--enable-debug-kernel],
217         [enable compilation of the kernel module with debugging information
218          (defaults to disabled)])],
219     [],
220     [enable_debug_kernel="no"])
221 AC_ARG_ENABLE([optimize-kernel],
222     [AS_HELP_STRING([--disable-optimize-kernel],
223         [disable compilation of the kernel module with optimization (defaults
224          based on platform)])],
225     [],
226     [enable_optimize_kernel=""])
227 AC_ARG_ENABLE([debug-lwp],
228     [AS_HELP_STRING([--enable-debug-lwp],
229         [enable compilation of the LWP code with debugging information
230          (defaults to disabled)])],
231     [],
232     [enable_debug_lwp="no"])
233 AC_ARG_ENABLE([optimize-lwp],
234     [AS_HELP_STRING([--disable-optimize-lwp],
235         [disable optimization for compilation of the LWP code (defaults to
236          enabled)])],
237     [],
238     [enable_optimize_lwp="yes"])
239 AC_ARG_ENABLE([debug-pam],
240     [AS_HELP_STRING([--enable-debug-pam],
241         [enable compilation of the PAM code with debugging information
242          (defaults to disabled)])],
243     [],
244     [enable_debug_pam="no"])
245 AC_ARG_ENABLE([optimize-pam],
246     [AS_HELP_STRING([--disable-optimize-pam],
247         [disable optimization for compilation of the PAM code (defaults to
248          enabled)])],
249     [],
250     [enable_optimize_pam="yes"])
251 AC_ARG_ENABLE([linux-syscall-probing],
252     [AS_HELP_STRING([--enable-linux-syscall-probing],
253         [enable Linux syscall probing (defaults to autodetect)])],
254     [],
255     [enable_linux_syscall_probing="maybe"])
256 AC_ARG_ENABLE([linux-d_splice_alias-extra-iput],
257     [AS_HELP_STRING([--enable-linux-d_splice_alias-extra-iput],
258         [Linux kernels in the 3.17 series prior to 3.17.3 had a bug
259          wherein error returns from the d_splice_alias() function were
260          leaking a reference on the inode.  The bug was fixed for the
261          3.17.3 kernel, and the possibility of an error return was only
262          introduced in kernel 3.17, so only the narrow range of kernels
263          is affected.  Enable this option for builds on systems with
264          kernels affected by this bug, to manually release the reference
265          on error returns and correct the reference counting.
266          Linux commit 51486b900ee92856b977eacfc5bfbe6565028070 (or
267          equivalent) is the fix for the upstream bug, so if such a commit
268          is present, leave this option disabled.  We apologize
269          that you are required to know this about your running kernel,
270          but luckily only a narrow range of versions is affected.])],
271     [],
272     [enable_linux_d_splice_alias_extra_iput="no"])
273 AC_ARG_WITH([crosstools-dir],
274     [AS_HELP_STRING([--with-crosstools-dir=path],
275         [use path for native versions of rxgen, compile_et and config])
276 ])
277
278 AC_ARG_WITH([xslt-processor],
279         AS_HELP_STRING([--with-xslt-processor=ARG],
280         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
281         [XSLTPROC="$withval"],
282         [AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo])])
283
284 AC_ARG_WITH([html-xsl],
285         AS_HELP_STRING([--with-html-xsl],
286         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
287         [HTML_XSL="$withval"],
288         [HTML_XSL="html/chunk.xsl"])
289
290 AC_ARG_WITH([docbook2pdf],
291         AS_HELP_STRING([--with-docbook2pdf=ARG],
292         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
293         [DOCBOOK2PDF="$withval"],
294         [AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo])])
295
296 AC_ARG_WITH([docbook-stylesheets],
297         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
298         [location of DocBook stylesheets (default is to search a set of likely paths)]),
299         [DOCBOOK_STYLESHEETS="$withval"],
300         [OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS],
301                 [/usr/share/xml/docbook/stylesheet/nwalsh/current \
302                  /usr/share/xml/docbook/stylesheet/nwalsh \
303                  /usr/share/xml/docbook/xsl-stylesheets \
304                  /usr/share/sgml/docbook/docbook-xsl-stylesheets \
305                  /usr/share/sgml/docbook/xsl-stylesheets \
306                  /usr/share/docbook-xsl \
307                  /usr/share/sgml/docbkxsl \
308                  /usr/local/share/xsl/docbook \
309                  /sw/share/xml/xsl/docbook-xsl \
310                  /opt/local/share/xsl/docbook-xsl],
311                 [$HTML_XSL])
312            AS_IF([test "x$DOCBOOK_STYLESHEETS" = "x"],
313                 [AC_WARN([Docbook stylesheets not found; some documentation can't be built])
314            ])
315         ])
316
317 AC_ARG_WITH([dot],
318         AS_HELP_STRING([--with-dot@<:@=PATH@:>@],
319         [use graphviz dot to generate dependency graphs with doxygen (defaults to autodetect)]),
320         [], [with_dot="maybe"])
321
322 enable_login="no"
323
324 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
325 dnl documentation build.
326 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
327 AC_CHECK_PROGS([DOXYGEN], [doxygen])
328
329 dnl Optionally generate graphs with doxygen.
330 case "$with_dot" in
331 maybe)
332     AC_CHECK_PROGS([DOT], [dot])
333     AS_IF([test "x$DOT" = "x"], [HAVE_DOT="no"], [HAVE_DOT="yes"])
334     ;;
335 yes)
336     HAVE_DOT="yes"
337     ;;
338 no)
339     HAVE_DOT="no"
340     ;;
341 *)
342     HAVE_DOT="yes"
343     DOT_PATH=$with_dot
344 esac
345 AC_SUBST(HAVE_DOT)
346 AC_SUBST(DOT_PATH)
347
348 dnl Checks for UNIX variants.
349 AC_ISC_POSIX
350
351 dnl Various compiler setup.
352 AC_TYPE_PID_T
353 AC_TYPE_SIZE_T
354
355 dnl Checks for programs.
356 AC_PROG_INSTALL
357 AC_PROG_LN_S
358 AC_PROG_RANLIB
359 AC_PROG_YACC
360 AM_PROG_LEX
361 dnl if we are flex, be lex-compatible
362 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
363
364 OPENAFS_FORCE_ABS_INSTALL
365 OPENAFS_CHECK_BIGENDIAN
366 OPENAFS_PRINTF_TAKES_Z_LEN
367
368 AC_MSG_CHECKING(your OS)
369 system=$host
370 case $system in
371         *-linux*)
372
373                 MKAFS_OSTYPE=LINUX
374                 if test "x$enable_redhat_buildsys" = "xyes"; then
375                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
376                 fi
377                 if test "x$enable_kernel_module" = "xyes"; then
378                  if test "x$with_linux_kernel_headers" != "x"; then
379                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
380                  else
381                    for utsdir in "/lib/modules/`uname -r`/build" \
382                                  "/lib/modules/`uname -r`/source" \
383                                  "/usr/src/linux-2.4" \
384                                  "/usr/src/linux"; do
385                      LINUX_KERNEL_PATH="$utsdir"
386                      for utsfile in "include/generated/utsrelease.h" \
387                                     "include/linux/utsrelease.h" \
388                                     "include/linux/version.h" \
389                                     "include/linux/version-up.h"; do
390                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
391                          break 2
392                        fi
393                      done
394                    done
395                  fi
396                  if test "x$with_linux_kernel_build" != "x"; then
397                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
398                  else
399                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
400                  fi
401                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
402                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
403                    LINUX_VERSION="$linux_kvers"
404                  else
405                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
406                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
407                      LINUX_VERSION="$linux_kvers"
408                    else
409                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
410                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
411                        if test "x$linux_kvers" = "x"; then
412                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
413                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
414                            if test "x$linux_kvers" = "x"; then
415                              AC_MSG_ERROR(Linux headers lack version definition [2])
416                              exit 1
417                            else
418                              LINUX_VERSION="$linux_kvers"
419                            fi
420                          else
421                            AC_MSG_ERROR(Linux headers lack version definition)
422                            exit 1
423                          fi
424                        else
425                          LINUX_VERSION="$linux_kvers"
426                        fi
427                      else
428                        enable_kernel_module="no"
429                      fi
430                    fi
431                  fi
432                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
433                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
434                      enable_kernel_module="no"
435                  fi
436                  if test "x$enable_kernel_module" = "xno"; then
437                   if test "x$with_linux_kernel_headers" != "x"; then
438                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
439                    exit 1
440                   else
441                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
442                   fi
443                  fi
444                  dnl do we need to determine SUBARCH from autoconf.h
445                  SUBARCH=default
446                 fi
447                 AC_MSG_RESULT(linux)
448                 GUESS_LINUX_VERSION=
449                 if test "x$enable_kernel_module" = "xyes"; then
450                  GUESS_LINUX_VERSION=${LINUX_VERSION}
451                 else
452                  GUESS_LINUX_VERSION=`uname -r`
453                 fi
454                 case "$GUESS_LINUX_VERSION" in
455                   2.2.*) AFS_SYSKVERS=22 ;;
456                   2.4.*) AFS_SYSKVERS=24 ;;
457                   [2.6.* | [3-9]* | [1-2][0-9]*]) AFS_SYSKVERS=26 ;;
458                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
459                 esac
460                 ;;
461         *-solaris*)
462                 MKAFS_OSTYPE=SOLARIS
463                 AC_MSG_RESULT(sun4)
464                 SOLARIS_PATH_CC
465                 SOLARIS_CC_TAKES_XVECTOR_NONE
466                 AC_SUBST(SOLARIS_CC_KOPTS)
467                 SOLARIS_UFSVFS_HAS_DQRWLOCK
468                 SOLARIS_FS_HAS_FS_ROLLED
469                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
470                 SOLARIS_HAVE_VN_RENAMEPATH
471                 ;;
472         *-sunos*)
473                 MKAFS_OSTYPE=SUNOS
474                 enable_kernel_module=no
475                 AC_MSG_RESULT(sun4)
476                 ;;
477         *-hpux*)
478                 MKAFS_OSTYPE=HPUX
479                 AC_MSG_RESULT(hp_ux)
480                 if test -f "/usr/old/usr/include/ndir.h"; then
481                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
482                 fi
483                 ;;
484         *-irix*)
485                 if test -d /usr/include/sys/SN/SN1; then
486                  IRIX_BUILD_IP35="IP35"
487                 fi
488                 MKAFS_OSTYPE=IRIX
489                 AC_MSG_RESULT(sgi)
490                 ;;
491         *-aix*)
492                 MKAFS_OSTYPE=AIX
493                 AC_MSG_RESULT(rs_aix)
494                 ;;
495         arm-*-darwin*)
496                 MKAFS_OSTYPE=DARWIN
497                 AC_MSG_RESULT(arm_darwin)
498                 ;;
499         powerpc-*-darwin*)
500                 MKAFS_OSTYPE=DARWIN
501                 AC_MSG_RESULT(ppc_darwin)
502                 ;;
503         i386-*-darwin*)
504                 MKAFS_OSTYPE=DARWIN
505                 AC_MSG_RESULT(x86_darwin)
506                 ;;
507         x86_64-*-darwin*)
508                 MKAFS_OSTYPE=DARWIN
509                 AC_MSG_RESULT(x86_darwin)
510                 ;;
511         i386-*-freebsd*)
512                 MKAFS_OSTYPE=FBSD
513                 AC_MSG_RESULT(i386_fbsd)
514                 ;;
515         x86_64-*-freebsd*)
516                 MKAFS_OSTYPE=FBSD
517                 AC_MSG_RESULT(amd64_fbsd)
518                 ;;
519         *-netbsd*)
520                 MKAFS_OSTYPE=NBSD
521                 AC_MSG_RESULT(nbsd)
522                 ;;
523         x86_64-*-openbsd*)
524                 MKAFS_OSTYPE=OBSD
525                 AC_MSG_RESULT(amd64_obsd)
526                 ;;
527         i386-*-openbsd*)
528                 MKAFS_OSTYPE=OBSD
529                 AC_MSG_RESULT(i386_obsd)
530                 ;;
531         *-dragonfly*)
532                 MKAFS_OSTYPE=DFBSD
533                 AC_MSG_RESULT(i386_dfbsd)
534                 ;;
535         *)
536                 AC_MSG_RESULT($system)
537                 ;;
538 esac
539
540 if test "x$with_afs_sysname" != "x"; then
541         AFS_SYSNAME="$with_afs_sysname"
542 else
543         AC_MSG_CHECKING(your AFS sysname)
544         case $host in
545                 i?86-*-openbsd?.?)
546                         v=${host#*openbsd}
547                         vM=${v%.*}
548                         vm=${v#*.}
549                         AFS_SYSNAME="i386_obsd${vM}${vm}"
550                         ;;
551                 sparc64-*-openbsd?.?)
552                         v=${host#*openbsd}
553                         vM=${v%.*}
554                         vm=${v#*.}
555                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
556                         ;;
557                 x86_64-*-openbsd?.?)
558                         v=${host#*openbsd}
559                         vM=${v%.*}
560                         vm=${v#*.}
561                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
562                         ;;
563                 i?86-*-freebsd*.*)
564                         v=${host#*freebsd}
565                         vM=${v%.*}
566                         vm=${v#*.}
567                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
568                         ;;
569                 x86_64-*-freebsd*.*)
570                         v=${host#*freebsd}
571                         vM=${v%.*}
572                         vm=${v#*.}
573                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
574                         ;;
575                 i386-*-dragonfly?.*)
576                         v=${host#*dragonfly}
577                         vM=${v%.*}
578                         vm=${v#*.}
579                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
580                         ;;
581                 i?86-*-netbsd*1.6[[M-Z]]*)
582                         AFS_SYSNAME="i386_nbsd20"
583                         ;;
584                 powerpc-*-netbsd*1.6[[M-Z]]*)
585                         AFS_SYSNAME="ppc_nbsd20"
586                         ;;
587                 *-*-netbsd*)
588                         arch=${host%%-unknown*}
589                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
590                                                -e 's/powerpc/ppc/g')
591                         v=${host#*netbsd}
592                         v=${v#*aout}
593                         v=${v#*ecoff}
594                         v=${v#*elf}
595                         vM=${v%%.*}
596                         vM=${vM%.*}
597                         v=${v#*.}
598                         vm=${v%%.*}
599                         vm=${vm%.*}
600                         vm=${vm%%[[_A-Z]]*}
601                         if test $vm -eq 99 ; then
602                                 vM=$((vM+1))
603                         fi
604                         if test $vM -gt 1 ; then
605                                 vm=0
606                         fi
607                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
608                         ;;
609                 hppa*-hp-hpux11.0*)
610                         AFS_SYSNAME="hp_ux110"
611                         ;;
612                 hppa*-hp-hpux11.11)
613                         AFS_SYSNAME="hp_ux11i"
614                         ;;
615                 hppa*-hp-hpux11.23)
616                         AFS_SYSNAME="hp_ux1123"
617                         ;;
618                 ia64-hp-hpux11.22)
619                         AFS_SYSNAME="ia64_hpux1122"
620                         ;;
621                 ia64-hp-hpux*)
622                         AFS_SYSNAME="ia64_hpux1123"
623                         ;;
624                 hppa*-hp-hpux10*)
625                         AFS_SYSNAME="hp_ux102"
626                         ;;
627                 powerpc-apple-darwin7*)
628                         AFS_SYSNAME="ppc_darwin_70"
629                         OSXSDK="macosx10.3"
630                         ;;
631                 powerpc-apple-darwin8.*)
632                         AFS_SYSNAME="ppc_darwin_80"
633                         OSXSDK="macosx10.4"
634                         ;;
635                 i386-apple-darwin8.*)
636                         AFS_SYSNAME="x86_darwin_80"
637                         OSXSDK="macosx10.4"
638                         ;;
639                 powerpc-apple-darwin9.*)
640                         AFS_SYSNAME="ppc_darwin_90"
641                         OSXSDK="macosx10.5"
642                         ;;
643                 i386-apple-darwin9.*)
644                         AFS_SYSNAME="x86_darwin_90"
645                         OSXSDK="macosx10.5"
646                         ;;
647                 i?86-apple-darwin10.*)
648                         AFS_SYSNAME="x86_darwin_100"
649                         OSXSDK="macosx10.6"
650                         ;;
651                 x86_64-apple-darwin10.*)
652                         AFS_SYSNAME="x86_darwin_100"
653                         OSXSDK="macosx10.6"
654                         ;;
655                 arm-apple-darwin10.*)
656                         AFS_SYSNAME="arm_darwin_100"
657                         OSXSDK="iphoneos4.0"
658                         ;;
659                 x86_64-apple-darwin11.*)
660                         AFS_SYSNAME="x86_darwin_110"
661                         OSXSDK="macosx10.7"
662                         ;;
663                 i?86-apple-darwin11.*)
664                         AFS_SYSNAME="x86_darwin_110"
665                         OSXSDK="macosx10.7"
666                         ;;
667                 x86_64-apple-darwin12.*)
668                         AFS_SYSNAME="x86_darwin_120"
669                         OSXSDK="macosx10.8"
670                         ;;
671                 i?86-apple-darwin12.*)
672                         AFS_SYSNAME="x86_darwin_120"
673                         OSXSDK="macosx10.8"
674                         ;;
675                 x86_64-apple-darwin13.*)
676                         AFS_SYSNAME="x86_darwin_130"
677                         OSXSDK="macosx10.9"
678                         ;;
679                 i?86-apple-darwin13.*)
680                         AFS_SYSNAME="x86_darwin_130"
681                         OSXSDK="macosx10.9"
682                         ;;
683                 x86_64-apple-darwin14.*)
684                         AFS_SYSNAME="x86_darwin_140"
685                         OSXSDK="macosx10.10"
686                         ;;
687                 i?86-apple-darwin14.*)
688                         AFS_SYSNAME="x86_darwin_140"
689                         OSXSDK="macosx10.10"
690                         ;;
691                 x86_64-apple-darwin15.*)
692                         AFS_SYSNAME="x86_darwin_150"
693                         OSXSDK="macosx10.11"
694                         ;;
695                 i?86-apple-darwin15.*)
696                         AFS_SYSNAME="x86_darwin_150"
697                         OSXSDK="macosx10.11"
698                         ;;
699                 x86_64-apple-darwin16.*)
700                         AFS_SYSNAME="x86_darwin_160"
701                         OSXSDK="macosx10.12"
702                         ;;
703                 i?86-apple-darwin16.*)
704                         AFS_SYSNAME="x86_darwin_160"
705                         OSXSDK="macosx10.12"
706                         ;;
707                 x86_64-apple-darwin17.*)
708                         AFS_SYSNAME="x86_darwin_170"
709                         OSXSDK="macosx10.13"
710                         ;;
711                 i?86-apple-darwin17.*)
712                         AFS_SYSNAME="x86_darwin_170"
713                         OSXSDK="macosx10.13"
714                         ;;
715                 sparc-sun-solaris2.8)
716                         AFS_SYSNAME="sun4x_58"
717                         ;;
718                 sparc-sun-solaris2.9)
719                         AFS_SYSNAME="sun4x_59"
720                         ;;
721                 sparc-sun-solaris2.10)
722                         AFS_SYSNAME="sun4x_510"
723                         ;;
724                 sparc-sun-solaris2.11)
725                         AFS_SYSNAME="sun4x_511"
726                         ;;
727                 i386-pc-solaris2.8)
728                         AFS_SYSNAME="sunx86_58"
729                         ;;
730                 i386-pc-solaris2.9)
731                         AFS_SYSNAME="sunx86_59"
732                         ;;
733                 i386-pc-solaris2.10)
734                         AFS_SYSNAME="sunx86_510"
735                         ;;
736                 i386-pc-solaris2.11)
737                         AFS_SYSNAME="sunx86_511"
738                         ;;
739                 alpha*-dec-osf4.0*)
740                         AFS_SYSNAME="alpha_dux40"
741                         ;;
742                 alpha*-dec-osf5.0*)
743                         AFS_SYSNAME="alpha_dux50"
744                         ;;
745                 alpha*-dec-osf5.1*)
746                         AFS_SYSNAME="alpha_dux51"
747                         ;;
748                 mips-sgi-irix6.5)
749                         AFS_SYSNAME="sgi_65"
750                         enable_pam="no"
751                         ;;
752                 ia64-*-linux*)
753                         AFS_SYSNAME="ia64_linuxXX"
754                         ;;
755                 powerpc-*-linux*)
756                         AFS_SYSNAME="`/bin/arch`_linuxXX"
757                         ;;
758                 powerpc64-*-linux*)
759                         AFS_SYSNAME="ppc64_linuxXX"
760                         ;;
761                 alpha*-linux*)
762                         AFS_SYSNAME="alpha_linux_XX"
763                         ;;
764                 s390-*-linux*)
765                         AFS_SYSNAME="s390_linuxXX"
766                         ;;
767                 s390x-*-linux*)
768                         AFS_SYSNAME="s390x_linuxXX"
769                         ;;
770                 sparc-*-linux*)
771                         AFS_SYSNAME="`/bin/arch`_linuxXX"
772                         ;;
773                 sparc64-*-linux*)
774                         AFS_SYSNAME="sparc64_linuxXX"
775                         ;;
776                 i?86-*-linux*)
777                         AFS_SYSNAME="i386_linuxXX"
778                         ;;
779                 arm*-linux*)
780                         AFS_SYSNAME="arm_linuxXX"
781                         ;;
782                 parisc-*-linux-gnu|hppa-*-linux-gnu)
783                         AFS_SYSNAME="parisc_linuxXX"
784                         enable_pam="no"
785                         ;;
786                 power*-ibm-aix4.2*)
787                         AFS_SYSNAME="rs_aix42"
788                         enable_pam="no"
789                         ;;
790                 power*-ibm-aix4.3*)
791                         AFS_SYSNAME="rs_aix42"
792                         enable_pam="no"
793                         ;;
794                 power*-ibm-aix5.1*)
795                         AFS_SYSNAME="rs_aix51"
796                         enable_pam="no"
797                         ;;
798                 power*-ibm-aix5.2*)
799                         AFS_SYSNAME="rs_aix52"
800                         enable_pam="no"
801                         ;;
802                 power*-ibm-aix5.3*)
803                         AFS_SYSNAME="rs_aix53"
804                         enable_pam="no"
805                         ;;
806                 power*-ibm-aix6.1*)
807                         AFS_SYSNAME="rs_aix61"
808                         enable_pam="no"
809                         ;;
810                 x86_64-*-linux-gnu)
811                         AFS_SYSNAME="amd64_linuxXX"
812                         enable_pam="yes"
813                         ;;
814                 *)
815                         AC_MSG_ERROR(An AFS sysname is required)
816                         exit 1
817                         ;;
818         esac
819         case $AFS_SYSNAME in
820                 *_linux* | *_umlinux*)
821                         if test "x${AFS_SYSKVERS}" = "x"; then
822                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
823                         fi
824                         if test "x${AFS_SYSKVERS}" = "x24" ||
825                                 test "x${AFS_SYSKVERS}" = "x22"; then
826                             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.])
827                         fi
828                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
829                         AFS_SYSNAME="$_AFS_SYSNAME"
830                         AC_TRY_KBUILD(
831                          [],
832                          [#ifndef CONFIG_USERMODE
833                           #error not UML
834                           #endif],
835                          ac_cv_linux_is_uml=yes,)
836                         if test "${ac_cv_linux_is_uml}" = yes; then
837                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
838                         fi
839                         AFS_SYSNAME="$_AFS_SYSNAME"
840                         ;;
841         esac
842         AC_MSG_RESULT($AFS_SYSNAME)
843 fi
844
845 case $AFS_SYSNAME in
846         *_darwin*)
847                 AC_CHECK_HEADERS(crt_externs.h)
848                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
849                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
850                 AC_SUBST(OSXSDK)
851                 ;;
852 esac
853
854 dnl Some hosts have a separate common param file they should include.  Figure
855 dnl out if we're on one of them now that we know the sysname.
856 case $AFS_SYSNAME in
857     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
858     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
859     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
860     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
861     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
862     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
863     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
864     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
865     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
866     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
867     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
868     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
869     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
870     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
871     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
872     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
873     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
874     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
875     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
876     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
877     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
878     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
879     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
880     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
881     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
882     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
883     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
884     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
885     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
886     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
887     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
888     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
889     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
890     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
891 # Linux alpha adds an extra underscore for no good reason.
892     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
893     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
894 esac
895
896 OPENAFS_OSCONF
897
898 case $AFS_SYSNAME in *_linux* | *_umlinux*)
899
900                 # Add (sub-) architecture-specific paths needed by conftests
901                 case $AFS_SYSNAME  in
902                         *_umlinux26)
903                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
904                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
905                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
906                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
907                 esac
908
909                 if test "x$enable_kernel_module" = "xyes"; then
910                  if test "x$enable_debug_kernel" = "xno"; then
911                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
912                  fi
913                  OPENAFS_GCC_SUPPORTS_MARCH
914                  AC_SUBST(P5PLUS_KOPTS)
915                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
916                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
917                  OPENAFS_GCC_SUPPORTS_NO_COMMON
918                  OPENAFS_GCC_SUPPORTS_PIPE
919                  AC_SUBST(LINUX_GCC_KOPTS)
920
921                  dnl Setup the kernel build environment
922                  LINUX_KBUILD_USES_EXTRA_CFLAGS
923                  LINUX_KERNEL_COMPILE_WORKS
924
925                  dnl Operation signature checks
926                  AC_CHECK_LINUX_OPERATION([inode_operations], [follow_link], [no_nameidata],
927                                           [#include <linux/fs.h>],
928                                           [const char *],
929                                           [struct dentry *dentry, void **link_data])
930                  AC_CHECK_LINUX_OPERATION([inode_operations], [put_link], [no_nameidata],
931                                           [#include <linux/fs.h>],
932                                           [void],
933                                           [struct inode *inode, void *link_data])
934                  AC_CHECK_LINUX_OPERATION([inode_operations], [rename], [takes_flags],
935                                           [#include <linux/fs.h>],
936                                           [int],
937                                           [struct inode *oinode, struct dentry *odentry,
938                                                 struct inode *ninode, struct dentry *ndentry,
939                                                 unsigned int flags])
940
941                  dnl Check for header files
942                  AC_CHECK_LINUX_HEADER([cred.h])
943                  AC_CHECK_LINUX_HEADER([config.h])
944                  AC_CHECK_LINUX_HEADER([exportfs.h])
945                  AC_CHECK_LINUX_HEADER([freezer.h])
946                  AC_CHECK_LINUX_HEADER([key-type.h])
947                  AC_CHECK_LINUX_HEADER([semaphore.h])
948                  AC_CHECK_LINUX_HEADER([seq_file.h])
949                  AC_CHECK_LINUX_HEADER([sched/signal.h])
950                  AC_CHECK_LINUX_HEADER([uaccess.h])
951
952                  dnl Type existence checks
953                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
954                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
955
956                  dnl Check for structure elements
957                  AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
958                  AC_CHECK_LINUX_STRUCT([address_space_operations],
959                                        [write_begin], [fs.h])
960                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
961                                        [backing-dev.h])
962                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
963                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
964                  AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
965                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
966                  AC_CHECK_LINUX_STRUCT([group_info], [gid], [cred.h])
967                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
968                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
969                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
970                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
971                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
972                  AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
973                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
974                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
975                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
976                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
977                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
978                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
979                  AC_CHECK_LINUX_STRUCT([inode_operations], [get_link], [fs.h])
980                  AC_CHECK_LINUX_STRUCT([key], [payload.value], [key.h])
981                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
982                  AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
983                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
984                  AC_CHECK_LINUX_STRUCT([msghdr], [msg_iter], [socket.h])
985                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
986                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
987                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
988                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
989                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
990                                        [fs.h])
991                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
992                                        [fs.h])
993                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
994                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
995                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
996                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
997                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
998                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
999                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
1000                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
1001                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
1002                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
1003                  AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h])
1004                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
1005
1006                  dnl Check for typed structure elements
1007                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
1008                                              [buf], [fs.h])
1009
1010                  dnl Function existence checks
1011
1012                  AC_CHECK_LINUX_FUNC([__vfs_write],
1013                                      [#include <linux/fs.h>],
1014                                      [__vfs_write(NULL, NULL, 0, NULL);])
1015                  AC_CHECK_LINUX_FUNC([kernel_write],
1016                                      [#include <linux/fs.h>],
1017                                      [kernel_write(NULL, NULL, 0, NULL);])
1018                  AC_CHECK_LINUX_FUNC([bdi_init],
1019                                      [#include <linux/backing-dev.h>],
1020                                      [bdi_init(NULL);])
1021                  AC_CHECK_LINUX_FUNC([super_setup_bdi],
1022                                      [#include <linux/backing-dev.h>],
1023                                      [struct super_block *sb;
1024                                       super_setup_bdi(sb);])
1025                  AC_CHECK_LINUX_FUNC([PageChecked],
1026                                      [#include <linux/mm.h>
1027 #include <linux/page-flags.h>],
1028                                      [struct page *_page;
1029                                       int bchecked = PageChecked(_page);])
1030                  AC_CHECK_LINUX_FUNC([PageFsMisc],
1031                                      [#include <linux/mm.h>
1032 #include <linux/page-flags.h>],
1033                                      [struct page *_page;
1034                                       int bchecked = PageFsMisc(_page);])
1035                  AC_CHECK_LINUX_FUNC([clear_inode],
1036                                      [#include <linux/fs.h>],
1037                                      [clear_inode(NULL);])
1038                  AC_CHECK_LINUX_FUNC([current_kernel_time],
1039                                      [#include <linux/time.h>],
1040                                      [struct timespec s;
1041                                       s = current_kernel_time();])
1042                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
1043                                      [#include <linux/fs.h>],
1044                                      [d_alloc_anon(NULL);])
1045                  AC_CHECK_LINUX_FUNC([d_count],
1046                                      [#include <linux/dcache.h>],
1047                                      [d_count(NULL);])
1048                  AC_CHECK_LINUX_FUNC([d_make_root],
1049                                      [#include <linux/fs.h>],
1050                                      [d_make_root(NULL);])
1051                  AC_CHECK_LINUX_FUNC([do_sync_read],
1052                                      [#include <linux/fs.h>],
1053                                      [do_sync_read(NULL, NULL, 0, NULL);])
1054                  AC_CHECK_LINUX_FUNC([file_dentry],
1055                                      [#include <linux/fs.h>],
1056                                      [struct file *f; file_dentry(f);])
1057                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
1058                                      [#include <linux/sched.h>],
1059                                      [pid_t p; find_task_by_pid(p);])
1060                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
1061                                      [#include <linux/fs.h>],
1062                                      [generic_file_aio_read(NULL,NULL,0,0);])
1063                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
1064                                      [#include <linux/pagemap.h>],
1065                                      [grab_cache_page_write_begin(NULL, 0, 0);])
1066                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
1067                                      [#include <linux/list.h>],
1068                                      [hlist_unhashed(0);])
1069                  AC_CHECK_LINUX_FUNC([ihold],
1070                                      [#include <linux/fs.h>],
1071                                      [ihold(NULL);])
1072                  AC_CHECK_LINUX_FUNC([i_size_read],
1073                                      [#include <linux/fs.h>],
1074                                      [i_size_read(NULL);])
1075                  AC_CHECK_LINUX_FUNC([inode_setattr],
1076                                      [#include <linux/fs.h>],
1077                                      [inode_setattr(NULL, NULL);])
1078                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
1079                                      [#include <linux/fs.h>],
1080                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
1081                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
1082                                      [#include <linux/net.h>],
1083                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
1084                  AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
1085                                      [#include <linux/fs.h>],
1086                                      [locks_lock_file_wait(NULL, NULL);])
1087                  AC_CHECK_LINUX_FUNC([page_follow_link],
1088                                      [#include <linux/fs.h>],
1089                                      [page_follow_link(0,0);])
1090                  AC_CHECK_LINUX_FUNC([page_get_link],
1091                                      [#include <linux/fs.h>],
1092                                      [page_get_link(0,0,0);])
1093                  AC_CHECK_LINUX_FUNC([page_offset],
1094                                      [#include <linux/pagemap.h>],
1095                                      [page_offset(NULL);])
1096                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
1097                                      [#include <linux/pagevec.h>],
1098                                      [__pagevec_lru_add_file(NULL);])
1099                  AC_CHECK_LINUX_FUNC([path_lookup],
1100                                      [#include <linux/fs.h>
1101                                       #include <linux/namei.h>],
1102                                      [path_lookup(NULL, 0, NULL);])
1103                  AC_CHECK_LINUX_FUNC([proc_create],
1104                                      [#include <linux/proc_fs.h>],
1105                                      [proc_create(NULL, 0, NULL, NULL);])
1106                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
1107                                      [#include <linux/rcupdate.h>],
1108                                      [rcu_read_lock();])
1109                  AC_CHECK_LINUX_FUNC([set_nlink],
1110                                      [#include <linux/fs.h>],
1111                                      [set_nlink(NULL, 1);])
1112                  AC_CHECK_LINUX_FUNC([setattr_prepare],
1113                                      [#include <linux/fs.h>],
1114                                      [setattr_prepare(NULL, NULL);])
1115                  AC_CHECK_LINUX_FUNC([sock_create_kern],
1116                                      [#include <linux/net.h>],
1117                                      [sock_create_kern(0, 0, 0, NULL);])
1118                  AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
1119                                      [#include <linux/net.h>],
1120                                      [sock_create_kern(NULL, 0, 0, 0, NULL);])
1121                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
1122                                      [#include <linux/splice.h>],
1123                                      [splice_direct_to_actor(NULL,NULL,NULL);])
1124                  AC_CHECK_LINUX_FUNC([default_file_splice_read],
1125                                      [#include <linux/fs.h>],
1126                                      [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
1127                  AC_CHECK_LINUX_FUNC([svc_addr_in],
1128                                      [#include <linux/sunrpc/svc.h>],
1129                                      [svc_addr_in(NULL);])
1130                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1131                                      [#include <linux/highmem.h>],
1132                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1133                  AC_CHECK_LINUX_FUNC([noop_fsync],
1134                                      [#include <linux/fs.h>],
1135                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1136                  AC_CHECK_LINUX_FUNC([kthread_run],
1137                                      [#include <linux/kernel.h>
1138                                       #include <linux/kthread.h>],
1139                                      [kthread_run(NULL, NULL, "test");])
1140                  AC_CHECK_LINUX_FUNC([inode_nohighmem],
1141                                      [#include <linux/fs.h>],
1142                                      [inode_nohighmem(NULL);])
1143                  AC_CHECK_LINUX_FUNC([inode_lock],
1144                                      [#include <linux/fs.h>],
1145                                      [inode_lock(NULL);])
1146
1147                  dnl Consequences - things which get set as a result of the
1148                  dnl                above tests
1149                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1150                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1151                                   [define to disable the nfs translator])])
1152
1153                  dnl Assorted more complex tests
1154                  LINUX_AIO_NONVECTOR
1155                  LINUX_EXPORTS_PROC_ROOT_FS
1156                  LINUX_KMEM_CACHE_INIT
1157                  LINUX_HAVE_KMEM_CACHE_T
1158                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1159                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1160                  LINUX_D_PATH_TAKES_STRUCT_PATH
1161                  LINUX_NEW_EXPORT_OPS
1162                  LINUX_INODE_SETATTR_RETURN_TYPE
1163                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1164                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1165                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1166                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1167                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1168                  LINUX_DOP_D_DELETE_TAKES_CONST
1169                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1170                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1171                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1172                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1173                  LINUX_AOP_WRITEBACK_CONTROL
1174                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1175                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1176                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1177                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1178                  LINUX_KERNEL_SOCK_CREATE
1179                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1180                  LINUX_NEED_RHCONFIG
1181                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1182                  LINUX_EXPORTS_TASKLIST_LOCK
1183                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1184                  LINUX_STATFS_TAKES_DENTRY
1185                  LINUX_REFRIGERATOR
1186                  LINUX_HAVE_TRY_TO_FREEZE
1187                  LINUX_LINUX_KEYRING_SUPPORT
1188                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1189                  LINUX_KEY_ALLOC_NEEDS_CRED
1190                  LINUX_INIT_WORK_HAS_DATA
1191                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1192                  LINUX_HAVE_DCACHE_LOCK
1193                  LINUX_D_COUNT_IS_INT
1194                  LINUX_IOP_GETATTR_TAKES_PATH_STRUCT
1195                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1196                  LINUX_IOP_CREATE_TAKES_UMODE_T
1197                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1198                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1199                  LINUX_DENTRY_OPEN_TAKES_PATH
1200                  LINUX_D_ALIAS_IS_HLIST
1201                  LINUX_HLIST_ITERATOR_NO_NODE
1202                  LINUX_IOP_I_CREATE_TAKES_BOOL
1203                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1204                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1205                  LINUX_D_INVALIDATE_IS_VOID
1206                  LINUX_KERNEL_READ_OFFSET_IS_LAST
1207
1208                  dnl If we are guaranteed that keyrings will work - that is
1209                  dnl  a) The kernel has keyrings enabled
1210                  dnl  b) The code is new enough to give us a key_type_keyring
1211                  dnl then we just disable syscall probing unless we've been
1212                  dnl told otherwise
1213
1214                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1215                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1216                           [enable_linux_syscall_probing="no"],
1217                           [enable_linux_syscall_probing="yes"])
1218                  ])
1219
1220                  dnl Syscall probing needs a few tests of its own, and just
1221                  dnl won't work if the kernel doesn't export init_mm
1222                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1223                    LINUX_EXPORTS_INIT_MM
1224                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1225                      AC_MSG_ERROR(
1226                        [Can't do syscall probing without exported init_mm])
1227                    ])
1228                    LINUX_EXPORTS_SYS_CHDIR
1229                    LINUX_EXPORTS_SYS_OPEN
1230                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1231                              [define to enable syscall table probes])
1232                  ])
1233
1234                  dnl Packaging and SMP build
1235                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1236                    LINUX_WHICH_MODULES
1237                  else
1238                    AC_SUBST(MPS,'SP')
1239                  fi
1240
1241                  dnl Syscall probing
1242                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1243                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1244                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1245                    ])
1246                    ac_cv_linux_exports_sys_call_table=no
1247                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1248                      ac_cv_linux_exports_ia32_sys_call_table=yes
1249                    fi
1250                  else
1251                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1252                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1253                    LINUX_EXPORTS_SYS_CALL_TABLE
1254                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1255                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1256                          linux_syscall_method=none
1257                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1258                             linux_syscall_method=scan
1259                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1260                                linux_syscall_method=scan_with_kallsyms_address
1261                             fi
1262                          fi
1263                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1264                             linux_syscall_method=kallsyms_symbol
1265                          fi
1266                          if test "x$linux_syscall_method" = "xnone"; then
1267                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1268                             linux_syscall_method=scan
1269                          fi
1270                    fi
1271                  fi
1272                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1273                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1274                  fi
1275                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1276                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1277                  fi
1278                  if test "x$ac_cv_linux_func_page_get_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1279                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1280                  else
1281                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1282                  fi
1283                  if test "x$ac_cv_linux_func_page_get_link" != "xyes" -a "x$ac_cv_linux_struct_inode_operations_has_get_link" = "xyes"; then
1284                         AC_MSG_ERROR([Your kernel does not use follow_link - not supported without symlink cache API])
1285                         exit 1
1286                  fi
1287                 :
1288                 fi
1289                 if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
1290                     AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
1291                 fi
1292 dnl Linux-only, but just enable always.
1293                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1294 esac
1295
1296 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1297     [ac_cv_sync_fetch_and_add],
1298     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1299                     [ac_cv_sync_fetch_and_add=yes],
1300                     [ac_cv_sync_fetch_and_add=no])
1301 ])
1302 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1303       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1304                 [define if your C compiler has __sync_add_and_fetch])])
1305
1306 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1307     [ac_cv_sockaddr_len],
1308     [AC_TRY_COMPILE( [#include <sys/types.h>
1309 #include <sys/socket.h>],
1310                      [struct sockaddr *a; a->sa_len=0;],
1311                      [ac_cv_sockaddr_len=yes],
1312                      [ac_cv_sockaddr_len=no])
1313 ])
1314 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1315       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1316                  [define if you struct sockaddr sa_len])])
1317
1318 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1319         echo Skipping library tests because they confuse Irix.
1320 else
1321   AC_SEARCH_LIBS([socket], [socket inet])
1322   AC_SEARCH_LIBS([connect], [nsl])
1323   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1324
1325   dnl darwin wants it, aix hates it
1326   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1327   AC_TRY_COMPILE([
1328   #include <stdlib.h>
1329   #include <stdio.h>
1330   #include <sys/types.h>
1331   #include <sys/socket.h>
1332   #include <netinet/in.h>
1333   #include <arpa/inet.h>
1334   #include <arpa/nameser.h>
1335   #include <arpa/nameser_compat.h>
1336   #include <resolv.h>
1337   ], [static int i; i = 0;],
1338   [AC_MSG_RESULT(yes)
1339    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1340   [AC_MSG_RESULT(no)
1341    ])
1342
1343   openafs_save_libs="$LIBS"
1344   AC_MSG_CHECKING([for res_search])
1345   AC_FUNC_RES_SEARCH
1346
1347   if test "$ac_cv_func_res_search" = no; then
1348       for lib in dns nsl resolv; do
1349         if test "$ac_cv_func_res_search" != yes; then
1350           LIBS="-l$lib $LIBS"
1351           AC_FUNC_RES_SEARCH
1352           LIBS="$openafs_save_libs"
1353         fi
1354       done    
1355       if test "$ac_cv_func_res_search" = yes; then
1356         LIB_AFSDB="-l$lib"
1357         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1358         AC_MSG_RESULT([yes, in lib$lib])
1359       else
1360         AC_MSG_RESULT(no)
1361       fi
1362   else
1363     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1364     AC_MSG_RESULT(yes)
1365   fi
1366   
1367 fi
1368 XLIBS="$LIB_AFSDB $XLIBS"
1369
1370 AC_CHECK_RESOLV_RETRANS
1371
1372 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1373     [ac_cv_setsockopt_iprecverr],
1374     [AC_TRY_COMPILE( [
1375 #include <sys/types.h>
1376 #include <sys/socket.h>
1377 #include <netinet/in.h>],
1378 [int on=1;
1379 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1380         [ac_cv_setsockopt_iprecverr=yes],
1381         [ac_cv_setsockopt_iprecverr=no])])
1382
1383 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1384       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1385                  [define if we can receive socket errors via IP_RECVERR])])
1386
1387 PTHREAD_LIBS=error
1388 if test "x$MKAFS_OSTYPE" = OBSD; then
1389         PTHREAD_LIBS="-pthread"
1390 fi
1391 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1392         PTHREAD_LIBS="-pthread"
1393 fi
1394 if test "x$PTHREAD_LIBS" = xerror; then
1395         AC_CHECK_LIB(pthread, pthread_attr_init,
1396                 PTHREAD_LIBS="-lpthread")
1397 fi
1398 if test "x$PTHREAD_LIBS" = xerror; then
1399         AC_CHECK_LIB(pthreads, pthread_attr_init,
1400                 PTHREAD_LIBS="-lpthreads")
1401 fi
1402 if test "x$PTHREAD_LIBS" = xerror; then
1403         AC_CHECK_LIB(c_r, pthread_attr_init,
1404                 PTHREAD_LIBS="-lc_r")
1405 fi
1406 if test "x$PTHREAD_LIBS" = xerror; then
1407         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1408 fi
1409 if test "x$PTHREAD_LIBS" = xerror; then
1410         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1411         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1412                 PTHREAD_LIBS="-lpthread")
1413 fi
1414 if test "x$PTHREAD_LIBS" = xerror; then
1415         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1416 fi
1417 AC_SUBST(PTHREAD_LIBS)
1418
1419 HOST_CPU="$host_cpu"
1420
1421 if test "x$with_bsd_kernel_headers" != "x"; then
1422         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1423 else
1424         BSD_KERNEL_PATH="/usr/src/sys"
1425 fi
1426
1427 if test "x$with_bsd_kernel_build" != "x"; then
1428         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1429 else
1430         case $AFS_SYSNAME in
1431                 *_fbsd_*)
1432                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1433                         ;;
1434                 *_nbsd*)
1435                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1436         esac
1437 fi
1438
1439 # Fast restart
1440 if test "$enable_supergroups" = "yes"; then
1441         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1442 fi
1443
1444 if test "$enable_bitmap_later" = "yes"; then
1445         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1446 fi
1447
1448 if test "$enable_unix_sockets" = "yes"; then
1449         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1450         USE_UNIX_SOCKETS="yes"
1451 else
1452         USE_UNIX_SOCKETS="no"
1453 fi
1454 AC_SUBST(USE_UNIX_SOCKETS)
1455
1456 if test "$enable_ubik_read_while_write" = "yes"; then
1457         AC_DEFINE(UBIK_READ_WHILE_WRITE, 1, [define if you want to enable ubik read while write])
1458 fi
1459
1460 if test "$enable_namei_fileserver" = "yes"; then
1461         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1462         VFSCK=""
1463 else
1464         if test "$enable_namei_fileserver" = "default"; then
1465                 case $host in
1466                         *-solaris2.10*)
1467                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1468                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1469                                 VFSCK=""
1470                                 ;;
1471                         *-solaris2.11*)
1472                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1473                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1474                                 VFSCK=""
1475                                 ;;
1476                         *)
1477                                 VFSCK="vfsck"
1478                                 ;;
1479                 esac
1480         else
1481                 VFSCK="vfsck"
1482         fi
1483 fi
1484
1485 dnl check for tivoli
1486 AC_MSG_CHECKING(for tivoli tsm butc support)
1487 XBSA_CFLAGS=""
1488 if test "$enable_tivoli_tsm" = "yes"; then
1489         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1490         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1491         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1492         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1493         XBSADIR5=/usr/tivoli/tsm/client/api/bin64/sample
1494         XBSADIR6=/opt/tivoli/tsm/client/api/bin64/sample
1495
1496         if test -r "$XBSADIR3/dsmapifp.h"; then
1497                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1498                 XBSA_XLIBS="-ldl"
1499                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1500         elif test -r "$XBSADIR4/dsmapifp.h"; then
1501                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1502                 XBSA_XLIBS="-ldl"
1503                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1504         elif test -r "$XBSADIR5/dsmapifp.h"; then
1505                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR5"
1506                 XBSA_XLIBS="-ldl"
1507                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1508         elif test -r "$XBSADIR6/dsmapifp.h"; then
1509                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR6"
1510                 XBSA_XLIBS="-ldl"
1511                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1512         elif test -r "$XBSADIR1/xbsa.h"; then
1513                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1514                 XBSA_XLIBS=""
1515                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1516         elif test -r "$XBSADIR2/xbsa.h"; then
1517                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1518                 XBSA_XLIBS=""
1519                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1520         else
1521                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1522         fi
1523 else
1524         AC_MSG_RESULT([no])
1525 fi
1526 AC_SUBST(XBSA_CFLAGS)
1527 AC_SUBST(XBSA_XLIBS) 
1528 XLIBS="$XBSA_XLIBS $XLIBS"
1529
1530 dnl checks for header files.
1531 AC_HEADER_STDC
1532 AC_HEADER_SYS_WAIT
1533 AC_HEADER_DIRENT
1534 AC_CHECK_HEADERS([ \
1535                    arpa/inet.h \
1536                    arpa/nameser.h \
1537                    curses.h\
1538                    direct.h \
1539                    errno.h \
1540                    fcntl.h \
1541                    grp.h \
1542                    math.h \
1543                    mntent.h \
1544                    ncurses.h \
1545                    ncurses/ncurses.h \
1546                    netdb.h \
1547                    netinet/in.h \
1548                    pthread_np.h \
1549                    pwd.h \
1550                    regex.h \
1551                    security/pam_appl.h \
1552                    signal.h \
1553                    stdint.h \
1554                    stdio_ext.h \
1555                    stdlib.h \
1556                    string.h \
1557                    strings.h \
1558                    sys/bitypes.h \
1559                    sys/bswap.h \
1560                    sys/dk.h \
1561                    sys/fcntl.h \
1562                    sys/file.h \
1563                    sys/fs_types.h \
1564                    sys/fstyp.h \
1565                    sys/ioctl.h \
1566                    sys/ipc.h \
1567                    sys/lockf.h \
1568                    sys/map.h \
1569                    sys/mount.h \
1570                    sys/mntent.h \
1571                    sys/mnttab.h \
1572                    sys/pag.h \
1573                    sys/param.h \
1574                    sys/resource.h \
1575                    sys/select.h \
1576                    sys/statfs.h \
1577                    sys/statvfs.h \
1578                    sys/socket.h \
1579                    sys/sysctl.h \
1580                    sys/time.h \
1581                    sys/types.h \
1582                    sys/uio.h \
1583                    sys/un.h \
1584                    sys/vfs.h \
1585                    syslog.h \
1586                    termios.h \
1587                    time.h \
1588                    ucontext.h \
1589                    unistd.h \
1590                    windows.h \
1591                 ])
1592
1593 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1594 #ifdef HAVE_NETINET_IN_H
1595 # include <netinet/in.h>
1596 #endif])
1597
1598 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1599 #ifdef HAVE_SYS_SOCKET_H
1600 # include <sys/socket.h>
1601 #endif])
1602
1603 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1604 #ifdef HAVE_SYS_SOCKET_H
1605 # include <sys/socket.h>
1606 #endif
1607 #ifdef HAVE_NETINET_IN_H
1608 # include <netinet/in.h>
1609 #endif
1610 #ifdef HAVE_NET_IF_H
1611 # include <net/if.h>
1612 #endif])
1613
1614 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1615 #ifdef HAVE_SECURITY_PAM_APPL_H
1616 # include <security/pam_appl.h>
1617 #endif])
1618
1619 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1620
1621 AC_CHECK_TYPES([fsblkcnt_t],,,[
1622 #include <sys/types.h>
1623 #ifdef HAVE_SYS_BITYPES_H
1624 #include <sys/bitypes.h>
1625 #endif
1626 #ifdef HAVE_SYS_STATFS_H
1627 #include <sys/statfs.h>
1628 #endif
1629 #ifdef HAVE_SYS_STATVFS_H
1630 #include <sys/statvfs.h>
1631 #endif
1632 ])
1633
1634 dnl see what struct stat has for timestamps
1635 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1636
1637 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1638
1639 if test "$enable_debug_locks" = yes; then
1640         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1641 fi
1642
1643 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1644         HAVE_PAM="yes"
1645 else
1646         HAVE_PAM="no"
1647 fi
1648 AC_SUBST(HAVE_PAM)
1649
1650 if test "$enable_login" = yes; then
1651         BUILD_LOGIN="yes"
1652 else
1653         BUILD_LOGIN="no"
1654 fi
1655 AC_SUBST(BUILD_LOGIN)
1656
1657 if test "$enable_kauth" = yes; then
1658         INSTALL_KAUTH="yes"
1659 else
1660         INSTALL_KAUTH="no"
1661 fi
1662 AC_SUBST(INSTALL_KAUTH)
1663
1664 AC_CHECK_FUNCS([ \
1665         arc4random \
1666         closelog \
1667         fcntl \
1668         fseeko64 \
1669         ftello64 \
1670         getcwd \
1671         getegid \
1672         geteuid \
1673         getgid \
1674         getuid \
1675         getrlimit \
1676         issetugid \
1677         mkstemp \
1678         openlog \
1679         poll \
1680         pread \
1681         preadv \
1682         preadv64 \
1683         pwrite \
1684         pwritev \
1685         pwritev64 \
1686         regcomp \
1687         regerror \
1688         regexec \
1689         setitimer \
1690         setvbuf \
1691         sigaction \
1692         strcasestr \
1693         strerror \
1694         sysconf \
1695         sysctl \
1696         syslog \
1697         tdestroy \
1698         timegm \
1699 ])
1700
1701 OPENAFS_ROKEN()
1702 OPENAFS_HCRYPTO()
1703 OPENAFS_CURSES()
1704 OPENAFS_C_ATTRIBUTE()
1705 OPENAFS_C_PRAGMA()
1706
1707 dnl Functions that Heimdal's libroken provides, but that we
1708 dnl haven't found a need for yet, and so haven't imported
1709 AC_CHECK_FUNCS([ \
1710         chown \
1711         fchown \
1712         gethostname \
1713         lstat \
1714         inet_aton \
1715         putenv \
1716         readv \
1717         setenv \
1718         strdup \
1719         strftime \
1720         strndup \
1721         strsep \
1722         unsetenv \
1723 ])
1724
1725 dnl Functions that are in objects that we always build from libroken
1726 AC_CHECK_FUNCS([ \
1727         asprintf \
1728         asnprintf \
1729         vasprintf \
1730         vasnprintf \
1731         vsnprintf \
1732         snprintf \
1733 ])
1734
1735 dnl Functions that we're going to try and get from libroken
1736 AC_REPLACE_FUNCS([ \
1737         daemon \
1738         ecalloc \
1739         emalloc \
1740         erealloc \
1741         err \
1742         errx \
1743         flock \
1744         freeaddrinfo \
1745         gai_strerror \
1746         getaddrinfo \
1747         getdtablesize \
1748         getnameinfo \
1749         getopt \
1750         getprogname \
1751         gettimeofday \
1752         inet_ntop \
1753         inet_pton \
1754         localtime_r \
1755         mkstemp \
1756         setenv \
1757         setprogname \
1758         strcasecmp \
1759         strlcat \
1760         strnlen \
1761         strlcpy \
1762         strsep \
1763         tdelete \
1764         tfind \
1765         tsearch \
1766         twalk \
1767         unsetenv \
1768         verr \
1769         verrx \
1770         vsyslog \
1771         vwarn \
1772         vwarnx \
1773         warn \
1774         warnx \
1775 ])
1776
1777 dnl Headers that we're going to try and get from libroken
1778 AC_CHECK_HEADERS([ \
1779         err.h \
1780         search.h \
1781 ])
1782
1783 AC_CHECK_DECLS([h_errno], [], [], [
1784 #include <sys/types.h>
1785 #ifdef HAVE_NETDB_H
1786 #include <netdb.h>
1787 #endif
1788 ])
1789
1790 AC_HEADER_TIME
1791
1792 ROKEN_HEADERS=
1793 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1794       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1795       [])
1796 AC_SUBST(ROKEN_HEADERS)
1797
1798 dnl Stuff that's harder ...
1799 AC_MSG_CHECKING([for bswap16])
1800 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1801 #ifdef HAVE_SYS_TYPES_H
1802 #include <sys/types.h>
1803 #endif
1804 #ifdef HAVE_SYS_BSWAP_H
1805 #include <sys/bswap.h>
1806 #endif
1807 ],
1808 [short a, b; b = bswap16(a); ])],
1809 [AC_MSG_RESULT(yes)
1810  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1811 ],
1812 [AC_MSG_RESULT(no)])
1813
1814 AC_MSG_CHECKING([for bswap32])
1815 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1816 #include <sys/types.h>
1817 #endif
1818 #ifdef HAVE_SYS_BSWAP_H
1819 #include <sys/bswap.h>
1820 #endif
1821 ],
1822 [int a, b; b = bswap32(a); ])],
1823 [AC_MSG_RESULT(yes)
1824  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1825 ],
1826 [AC_MSG_RESULT(no)])
1827
1828 case $AFS_SYSNAME in
1829 *hp_ux* | *hpux*)
1830    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1831    ;;
1832 *)
1833    AC_MSG_CHECKING([for positional I/O])
1834    if test "$ac_cv_func_pread" = "yes" && \
1835            test "$ac_cv_func_pwrite" = "yes"; then
1836       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1837       AC_MSG_RESULT(yes)
1838    else
1839      AC_MSG_RESULT(no)
1840    fi
1841    AC_MSG_CHECKING([for vectored positional I/O])
1842    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1843                "$ac_cv_func_pwritev" = "yes" -a \
1844                "$ac_cv_func_preadv64" = "yes" -a \
1845                "$ac_cv_func_pwritev64" = "yes"],
1846          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1847           AC_MSG_RESULT(yes)],
1848          [AC_MSG_RESULT(no)])
1849    ;;
1850 esac
1851
1852 AC_MSG_CHECKING([for POSIX regex library])
1853 if test "$ac_cv_header_regex_h" = "yes" && \
1854         test "$ac_cv_func_regcomp" = "yes" && \
1855         test "$ac_cv_func_regexec" = "yes" && \
1856         test "$ac_cv_func_regerror" = "yes"; then
1857     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1858     AC_MSG_RESULT(yes)
1859 else
1860     AC_MSG_RESULT(no)
1861 fi
1862
1863 dnl Look for "non-portable" pthreads functions.
1864 save_LIBS="$LIBS"
1865 LIBS="$LIBS $PTHREAD_LIBS"
1866 AC_CHECK_FUNCS([ \
1867         pthread_set_name_np \
1868         pthread_setname_np \
1869 ])
1870
1871 dnl Sadly, there are three different versions of pthread_setname_np.
1872 dnl Try to cater for all of them.
1873 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1874     AC_MSG_CHECKING([for signature of pthread_setname_np])
1875     AC_TRY_COMPILE([
1876 #include <pthread.h>
1877 #ifdef HAVE_PTHREAD_NP_H
1878 #include <pthread_np.h>
1879 #endif
1880 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1881         AC_MSG_RESULT([three arguments])
1882         pthread_setname_np_args=3], [
1883         AC_TRY_COMPILE([
1884 #include <pthread.h>
1885 #ifdef HAVE_PTHREAD_NP_H
1886 #include <pthread_np.h>
1887 #endif
1888 ], [pthread_setname_np(pthread_self(), "test")], [
1889             AC_MSG_RESULT([two arguments])
1890             pthread_setname_np_args=2], [
1891             AC_TRY_COMPILE([
1892 #include <pthread.h>
1893 #ifdef HAVE_PTHREAD_NP_H
1894 #include <pthread_np.h>
1895 #endif
1896 ], [pthread_setname_np("test")], [
1897                 AC_MSG_RESULT([one argument])
1898                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1899 ])
1900 ])
1901 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1902 fi
1903 LIBS="$save_LIBS"
1904
1905 openafs_cv_saved_CFLAGS="$CFLAGS"
1906 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1907
1908 AC_TYPE_SIGNAL
1909 OPENAFS_RETSIGTYPE
1910 AC_CHECK_SIZEOF(void *)
1911 AC_CHECK_SIZEOF(unsigned long long)
1912 AC_CHECK_SIZEOF(unsigned long)
1913 AC_CHECK_SIZEOF(unsigned int)
1914 AC_TYPE_INTPTR_T
1915 AC_TYPE_UINTPTR_T
1916 AC_TYPE_SSIZE_T
1917 AC_CHECK_TYPE([sig_atomic_t],[],
1918     [AC_DEFINE([sig_atomic_t], [int],
1919         [Define to int if <signal.h> does not define.])],
1920 [#include <sys/types.h>
1921 #include <signal.h>])
1922 AC_CHECK_TYPE([socklen_t],[],
1923     [AC_DEFINE([socklen_t], [int],
1924         [Define to int if <sys/socket.h> does not define.])],
1925 [#include <sys/types.h>
1926 #include <sys/socket.h>])
1927 AC_CHECK_TYPES(off64_t)
1928 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1929 AC_CHECK_TYPES([struct winsize], [], [], [
1930 #ifdef HAVE_TERMIOS_H
1931 # include <termios.h>
1932 #else
1933 # include <sys/termios.h>
1934 #endif
1935 #include <sys/ioctl.h>])
1936 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1937                 struct sockaddr_storage],
1938                [], [], [
1939 #include <sys/types.h>
1940 #include <sys/socket.h>
1941 ])
1942 AC_CHECK_TYPES([sa_family_t], [], [], [
1943 #include <sys/types.h>
1944 #include <sys/socket.h>
1945 ])
1946 AC_CHECK_TYPES([struct addrinfo], [], [], [
1947 #include <sys/types.h>
1948 #ifdef HAVE_NETDB_H
1949 #include <netdb.h>
1950 #endif
1951 ])
1952 AC_CHECK_TYPES([long long], [], [], [])
1953
1954 AC_SIZEOF_TYPE(long)
1955
1956 CFLAGS="$openafs_cv_saved_CFLAGS"
1957
1958 RRA_HEADER_PAM_CONST
1959
1960
1961 dnl Directory PATH handling
1962 if test "x$enable_transarc_paths" = "xyes"  ; then 
1963     afsconfdir=${afsconfdir=/usr/afs/etc}
1964     viceetcdir=${viceetcdir=/usr/vice/etc}
1965     afskerneldir=${afskerneldir=${viceetcdir}}
1966     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1967     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1968     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1969     afsdbdir=${afsdbdir=/usr/afs/db}
1970     afslogsdir=${afslogsdir=/usr/afs/logs}
1971     afslocaldir=${afslocaldir=/usr/afs/local}
1972     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1973     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1974     afsdatadir=${afsdatadir=/usr/vice/etc}
1975 else 
1976     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1977     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1978     afskerneldir=${afskerneldir='${libdir}/openafs'}
1979     afssrvbindir=${afssrvbindir='${bindir}'}
1980     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1981     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1982     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1983     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1984     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1985     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1986     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1987     afsdatadir=${afsdatadir='${datadir}/openafs'}
1988 fi
1989 AC_SUBST(afsconfdir)
1990 AC_SUBST(viceetcdir)
1991 AC_SUBST(afskerneldir)
1992 AC_SUBST(afssrvbindir)
1993 AC_SUBST(afssrvsbindir)
1994 AC_SUBST(afssrvlibexecdir)
1995 AC_SUBST(afsdbdir)
1996 AC_SUBST(afslogsdir)
1997 AC_SUBST(afslocaldir)
1998 AC_SUBST(afsbackupdir)
1999 AC_SUBST(afsbosconfigdir)
2000 AC_SUBST(afsdatadir)
2001
2002 if test "x$enable_kernel_module" = "xyes"; then
2003 ENABLE_KERNEL_MODULE=libafs
2004 fi
2005
2006 if test "x$enable_pthreaded_ubik" = "xyes"; then
2007 ENABLE_PTHREADED_UBIK=yes
2008 fi
2009
2010 AC_SUBST(VFSCK)
2011 AC_SUBST(AFS_SYSNAME)
2012 AC_SUBST(AFS_PARAM_COMMON)
2013 AC_SUBST(ENABLE_KERNEL_MODULE)
2014 AC_SUBST(ENABLE_PTHREADED_UBIK)
2015 AC_SUBST(LIB_AFSDB)
2016 AC_SUBST(LINUX_KERNEL_PATH)
2017 AC_SUBST(LINUX_KERNEL_BUILD)
2018 AC_SUBST(HOST_CPU)
2019 AC_SUBST(BSD_KERNEL_PATH)
2020 AC_SUBST(BSD_KERNEL_BUILD)
2021 AC_SUBST(LINUX_VERSION)
2022 AC_SUBST(MKAFS_OSTYPE)
2023 AC_SUBST(TOP_OBJDIR)
2024 AC_SUBST(TOP_SRCDIR)
2025 AC_SUBST(TOP_INCDIR)
2026 AC_SUBST(TOP_LIBDIR)
2027 AC_SUBST(DEST)
2028 AC_SUBST(DARWIN_INFOFILE)
2029 AC_SUBST(IRIX_BUILD_IP35)
2030 AC_SUBST(HTML_XSL)
2031 AC_SUBST(XSLTPROC)
2032 AC_SUBST(DOCBOOK2PDF)
2033 AC_SUBST(DOCBOOK_STYLESHEETS)
2034
2035 OPENAFS_FUSE
2036 OPENAFS_SWIG
2037
2038 TOP_SRCDIR="${srcdir}/src"
2039 dnl
2040 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
2041 dnl
2042 case $TOP_SRCDIR in
2043         /*)
2044                 ;;
2045         *)
2046                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
2047                 ;;
2048 esac
2049
2050 TOP_OBJDIR="${SRCDIR_PARENT}"
2051 TOP_INCDIR="${SRCDIR_PARENT}/include"
2052 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
2053 if test "${DEST}x" = "x"; then
2054         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
2055 fi
2056
2057 if test "x$with_crosstools_dir" != "x"; then
2058         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
2059                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
2060                 CONFIGTOOL_PATH=$with_crosstools_dir/config
2061                 RXGEN_PATH=$with_crosstools_dir/rxgen
2062         else
2063                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
2064                 exit 1
2065         fi
2066 else
2067         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
2068         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
2069         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
2070 fi
2071 AC_SUBST(COMPILE_ET_PATH)
2072 AC_SUBST(CONFIGTOOL_PATH)
2073 AC_SUBST(RXGEN_PATH)
2074
2075 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
2076 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
2077 AC_SUBST(HELPER_SPLINT)
2078 AC_SUBST(HELPER_SPLINTCFG)
2079
2080 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
2081
2082 dnl Check to see if crypt lives in a different library
2083 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
2084 AC_SUBST(LIB_crypt)
2085
2086 dnl Check to see if the compiler support labels in structs
2087 AC_MSG_CHECKING(for label support in structs)
2088 AC_TRY_COMPILE([], [
2089 extern void osi_UFSOpen(void);
2090 struct labeltest {
2091    void (*open) (void);
2092 };
2093 struct labeltest struct_labeltest = {
2094    .open       = osi_UFSOpen,
2095 }
2096 ],
2097 [AC_MSG_RESULT(yes)
2098  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
2099 ],
2100 [AC_MSG_RESULT(no)
2101 ])
2102
2103 AC_MSG_CHECKING([checking for dirfd])
2104 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
2105 #ifdef HAVE_DIRENT_H
2106 #include <dirent.h>
2107 #endif
2108 ]],
2109         [[DIR *d = 0; dirfd(d);]])],
2110         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
2111 if test "$ac_rk_have_dirfd" = "yes" ; then
2112         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
2113 fi
2114 AC_MSG_RESULT($ac_rk_have_dirfd)
2115
2116 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
2117 #ifdef HAVE_DIRENT_H
2118 #include <dirent.h>
2119 #endif])
2120
2121 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
2122 [#ifdef HAVE_SYS_RESOURCE_H
2123 #include <sys/resource.h>
2124 #endif])
2125
2126 dnl Check for UUID library
2127 AC_CHECK_HEADERS([uuid/uuid.h])
2128 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
2129 AC_CHECK_FUNCS([uuid_generate])
2130 ])
2131
2132