rx: fix call refcount leak in error case
[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                 sparc-sun-solaris2.8)
708                         AFS_SYSNAME="sun4x_58"
709                         ;;
710                 sparc-sun-solaris2.9)
711                         AFS_SYSNAME="sun4x_59"
712                         ;;
713                 sparc-sun-solaris2.10)
714                         AFS_SYSNAME="sun4x_510"
715                         ;;
716                 sparc-sun-solaris2.11)
717                         AFS_SYSNAME="sun4x_511"
718                         ;;
719                 i386-pc-solaris2.8)
720                         AFS_SYSNAME="sunx86_58"
721                         ;;
722                 i386-pc-solaris2.9)
723                         AFS_SYSNAME="sunx86_59"
724                         ;;
725                 i386-pc-solaris2.10)
726                         AFS_SYSNAME="sunx86_510"
727                         ;;
728                 i386-pc-solaris2.11)
729                         AFS_SYSNAME="sunx86_511"
730                         ;;
731                 alpha*-dec-osf4.0*)
732                         AFS_SYSNAME="alpha_dux40"
733                         ;;
734                 alpha*-dec-osf5.0*)
735                         AFS_SYSNAME="alpha_dux50"
736                         ;;
737                 alpha*-dec-osf5.1*)
738                         AFS_SYSNAME="alpha_dux51"
739                         ;;
740                 mips-sgi-irix6.5)
741                         AFS_SYSNAME="sgi_65"
742                         enable_pam="no"
743                         ;;
744                 ia64-*-linux*)
745                         AFS_SYSNAME="ia64_linuxXX"
746                         ;;
747                 powerpc-*-linux*)
748                         AFS_SYSNAME="`/bin/arch`_linuxXX"
749                         ;;
750                 powerpc64-*-linux*)
751                         AFS_SYSNAME="ppc64_linuxXX"
752                         ;;
753                 alpha*-linux*)
754                         AFS_SYSNAME="alpha_linux_XX"
755                         ;;
756                 s390-*-linux*)
757                         AFS_SYSNAME="s390_linuxXX"
758                         ;;
759                 s390x-*-linux*)
760                         AFS_SYSNAME="s390x_linuxXX"
761                         ;;
762                 sparc-*-linux*)
763                         AFS_SYSNAME="`/bin/arch`_linuxXX"
764                         ;;
765                 sparc64-*-linux*)
766                         AFS_SYSNAME="sparc64_linuxXX"
767                         ;;
768                 i?86-*-linux*)
769                         AFS_SYSNAME="i386_linuxXX"
770                         ;;
771                 arm*-linux*)
772                         AFS_SYSNAME="arm_linuxXX"
773                         ;;
774                 parisc-*-linux-gnu|hppa-*-linux-gnu)
775                         AFS_SYSNAME="parisc_linuxXX"
776                         enable_pam="no"
777                         ;;
778                 power*-ibm-aix4.2*)
779                         AFS_SYSNAME="rs_aix42"
780                         enable_pam="no"
781                         ;;
782                 power*-ibm-aix4.3*)
783                         AFS_SYSNAME="rs_aix42"
784                         enable_pam="no"
785                         ;;
786                 power*-ibm-aix5.1*)
787                         AFS_SYSNAME="rs_aix51"
788                         enable_pam="no"
789                         ;;
790                 power*-ibm-aix5.2*)
791                         AFS_SYSNAME="rs_aix52"
792                         enable_pam="no"
793                         ;;
794                 power*-ibm-aix5.3*)
795                         AFS_SYSNAME="rs_aix53"
796                         enable_pam="no"
797                         ;;
798                 power*-ibm-aix6.1*)
799                         AFS_SYSNAME="rs_aix61"
800                         enable_pam="no"
801                         ;;
802                 x86_64-*-linux-gnu)
803                         AFS_SYSNAME="amd64_linuxXX"
804                         enable_pam="yes"
805                         ;;
806                 *)
807                         AC_MSG_ERROR(An AFS sysname is required)
808                         exit 1
809                         ;;
810         esac
811         case $AFS_SYSNAME in
812                 *_linux* | *_umlinux*)
813                         if test "x${AFS_SYSKVERS}" = "x"; then
814                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
815                         fi
816                         if test "x${AFS_SYSKVERS}" = "x24" ||
817                                 test "x${AFS_SYSKVERS}" = "x22"; then
818                             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.])
819                         fi
820                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
821                         AFS_SYSNAME="$_AFS_SYSNAME"
822                         AC_TRY_KBUILD(
823                          [],
824                          [#ifndef CONFIG_USERMODE
825                           #error not UML
826                           #endif],
827                          ac_cv_linux_is_uml=yes,)
828                         if test "${ac_cv_linux_is_uml}" = yes; then
829                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
830                         fi
831                         AFS_SYSNAME="$_AFS_SYSNAME"
832                         ;;
833         esac
834         AC_MSG_RESULT($AFS_SYSNAME)
835 fi
836
837 case $AFS_SYSNAME in
838         *_darwin*)
839                 AC_CHECK_HEADERS(crt_externs.h)
840                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
841                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
842                 AC_SUBST(OSXSDK)
843                 ;;
844 esac
845
846 dnl Some hosts have a separate common param file they should include.  Figure
847 dnl out if we're on one of them now that we know the sysname.
848 case $AFS_SYSNAME in
849     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
850     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
851     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
852     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
853     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
854     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
855     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
856     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
857     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
858     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
859     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
860     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
861     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
862     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
863     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
864     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
865     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
866     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
867     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
868     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
869     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
870     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
871     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
872     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
873     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
874     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
875     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
876     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
877     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
878     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
879     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
880     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
881     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
882     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
883 # Linux alpha adds an extra underscore for no good reason.
884     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
885     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
886 esac
887
888 OPENAFS_OSCONF
889
890 case $AFS_SYSNAME in *_linux* | *_umlinux*)
891
892                 # Add (sub-) architecture-specific paths needed by conftests
893                 case $AFS_SYSNAME  in
894                         *_umlinux26)
895                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
896                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
897                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
898                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
899                 esac
900
901                 if test "x$enable_kernel_module" = "xyes"; then
902                  if test "x$enable_debug_kernel" = "xno"; then
903                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
904                  fi
905                  OPENAFS_GCC_SUPPORTS_MARCH
906                  AC_SUBST(P5PLUS_KOPTS)
907                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
908                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
909                  OPENAFS_GCC_SUPPORTS_NO_COMMON
910                  OPENAFS_GCC_SUPPORTS_PIPE
911                  AC_SUBST(LINUX_GCC_KOPTS)
912
913                  dnl Setup the kernel build environment
914                  LINUX_KBUILD_USES_EXTRA_CFLAGS
915                  LINUX_KERNEL_COMPILE_WORKS
916
917                  dnl Operation signature checks
918                  AC_CHECK_LINUX_OPERATION([inode_operations], [follow_link], [no_nameidata],
919                                           [#include <linux/fs.h>],
920                                           [const char *],
921                                           [struct dentry *dentry, void **link_data])
922                  AC_CHECK_LINUX_OPERATION([inode_operations], [put_link], [no_nameidata],
923                                           [#include <linux/fs.h>],
924                                           [void],
925                                           [struct inode *inode, void *link_data])
926                  AC_CHECK_LINUX_OPERATION([inode_operations], [rename], [takes_flags],
927                                           [#include <linux/fs.h>],
928                                           [int],
929                                           [struct inode *oinode, struct dentry *odentry,
930                                                 struct inode *ninode, struct dentry *ndentry,
931                                                 unsigned int flags])
932
933                  dnl Check for header files
934                  AC_CHECK_LINUX_HEADER([cred.h])
935                  AC_CHECK_LINUX_HEADER([config.h])
936                  AC_CHECK_LINUX_HEADER([exportfs.h])
937                  AC_CHECK_LINUX_HEADER([freezer.h])
938                  AC_CHECK_LINUX_HEADER([key-type.h])
939                  AC_CHECK_LINUX_HEADER([semaphore.h])
940                  AC_CHECK_LINUX_HEADER([seq_file.h])
941                  AC_CHECK_LINUX_HEADER([sched/signal.h])
942                  AC_CHECK_LINUX_HEADER([uaccess.h])
943
944                  dnl Type existence checks
945                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
946                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
947
948                  dnl Check for structure elements
949                  AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
950                  AC_CHECK_LINUX_STRUCT([address_space_operations],
951                                        [write_begin], [fs.h])
952                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
953                                        [backing-dev.h])
954                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
955                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
956                  AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
957                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
958                  AC_CHECK_LINUX_STRUCT([group_info], [gid], [cred.h])
959                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
960                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
961                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
962                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
963                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
964                  AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
965                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
966                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
967                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
968                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
969                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
970                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
971                  AC_CHECK_LINUX_STRUCT([inode_operations], [get_link], [fs.h])
972                  AC_CHECK_LINUX_STRUCT([key], [payload.value], [key.h])
973                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
974                  AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
975                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
976                  AC_CHECK_LINUX_STRUCT([msghdr], [msg_iter], [socket.h])
977                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
978                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
979                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
980                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
981                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
982                                        [fs.h])
983                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
984                                        [fs.h])
985                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
986                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
987                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
988                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
989                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
990                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
991                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
992                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
993                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
994                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
995                  AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h])
996                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
997
998                  dnl Check for typed structure elements
999                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
1000                                              [buf], [fs.h])
1001
1002                  dnl Function existence checks
1003
1004                  AC_CHECK_LINUX_FUNC([__vfs_write],
1005                                      [#include <linux/fs.h>],
1006                                      [__vfs_write(NULL, NULL, 0, NULL);])
1007                  AC_CHECK_LINUX_FUNC([kernel_write],
1008                                      [#include <linux/fs.h>],
1009                                      [kernel_write(NULL, NULL, 0, NULL);])
1010                  AC_CHECK_LINUX_FUNC([bdi_init],
1011                                      [#include <linux/backing-dev.h>],
1012                                      [bdi_init(NULL);])
1013                  AC_CHECK_LINUX_FUNC([super_setup_bdi],
1014                                      [#include <linux/backing-dev.h>],
1015                                      [struct super_block *sb;
1016                                       super_setup_bdi(sb);])
1017                  AC_CHECK_LINUX_FUNC([PageChecked],
1018                                      [#include <linux/mm.h>
1019 #include <linux/page-flags.h>],
1020                                      [struct page *_page;
1021                                       int bchecked = PageChecked(_page);])
1022                  AC_CHECK_LINUX_FUNC([PageFsMisc],
1023                                      [#include <linux/mm.h>
1024 #include <linux/page-flags.h>],
1025                                      [struct page *_page;
1026                                       int bchecked = PageFsMisc(_page);])
1027                  AC_CHECK_LINUX_FUNC([clear_inode],
1028                                      [#include <linux/fs.h>],
1029                                      [clear_inode(NULL);])
1030                  AC_CHECK_LINUX_FUNC([current_kernel_time],
1031                                      [#include <linux/time.h>],
1032                                      [struct timespec s;
1033                                       s = current_kernel_time();])
1034                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
1035                                      [#include <linux/fs.h>],
1036                                      [d_alloc_anon(NULL);])
1037                  AC_CHECK_LINUX_FUNC([d_count],
1038                                      [#include <linux/dcache.h>],
1039                                      [d_count(NULL);])
1040                  AC_CHECK_LINUX_FUNC([d_make_root],
1041                                      [#include <linux/fs.h>],
1042                                      [d_make_root(NULL);])
1043                  AC_CHECK_LINUX_FUNC([do_sync_read],
1044                                      [#include <linux/fs.h>],
1045                                      [do_sync_read(NULL, NULL, 0, NULL);])
1046                  AC_CHECK_LINUX_FUNC([file_dentry],
1047                                      [#include <linux/fs.h>],
1048                                      [struct file *f; file_dentry(f);])
1049                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
1050                                      [#include <linux/sched.h>],
1051                                      [pid_t p; find_task_by_pid(p);])
1052                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
1053                                      [#include <linux/fs.h>],
1054                                      [generic_file_aio_read(NULL,NULL,0,0);])
1055                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
1056                                      [#include <linux/pagemap.h>],
1057                                      [grab_cache_page_write_begin(NULL, 0, 0);])
1058                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
1059                                      [#include <linux/list.h>],
1060                                      [hlist_unhashed(0);])
1061                  AC_CHECK_LINUX_FUNC([ihold],
1062                                      [#include <linux/fs.h>],
1063                                      [ihold(NULL);])
1064                  AC_CHECK_LINUX_FUNC([i_size_read],
1065                                      [#include <linux/fs.h>],
1066                                      [i_size_read(NULL);])
1067                  AC_CHECK_LINUX_FUNC([inode_setattr],
1068                                      [#include <linux/fs.h>],
1069                                      [inode_setattr(NULL, NULL);])
1070                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
1071                                      [#include <linux/fs.h>],
1072                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
1073                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
1074                                      [#include <linux/net.h>],
1075                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
1076                  AC_CHECK_LINUX_FUNC([locks_lock_file_wait],
1077                                      [#include <linux/fs.h>],
1078                                      [locks_lock_file_wait(NULL, NULL);])
1079                  AC_CHECK_LINUX_FUNC([page_follow_link],
1080                                      [#include <linux/fs.h>],
1081                                      [page_follow_link(0,0);])
1082                  AC_CHECK_LINUX_FUNC([page_get_link],
1083                                      [#include <linux/fs.h>],
1084                                      [page_get_link(0,0,0);])
1085                  AC_CHECK_LINUX_FUNC([page_offset],
1086                                      [#include <linux/pagemap.h>],
1087                                      [page_offset(NULL);])
1088                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
1089                                      [#include <linux/pagevec.h>],
1090                                      [__pagevec_lru_add_file(NULL);])
1091                  AC_CHECK_LINUX_FUNC([path_lookup],
1092                                      [#include <linux/fs.h>
1093                                       #include <linux/namei.h>],
1094                                      [path_lookup(NULL, 0, NULL);])
1095                  AC_CHECK_LINUX_FUNC([proc_create],
1096                                      [#include <linux/proc_fs.h>],
1097                                      [proc_create(NULL, 0, NULL, NULL);])
1098                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
1099                                      [#include <linux/rcupdate.h>],
1100                                      [rcu_read_lock();])
1101                  AC_CHECK_LINUX_FUNC([set_nlink],
1102                                      [#include <linux/fs.h>],
1103                                      [set_nlink(NULL, 1);])
1104                  AC_CHECK_LINUX_FUNC([setattr_prepare],
1105                                      [#include <linux/fs.h>],
1106                                      [setattr_prepare(NULL, NULL);])
1107                  AC_CHECK_LINUX_FUNC([sock_create_kern],
1108                                      [#include <linux/net.h>],
1109                                      [sock_create_kern(0, 0, 0, NULL);])
1110                  AC_CHECK_LINUX_FUNC([sock_create_kern_ns],
1111                                      [#include <linux/net.h>],
1112                                      [sock_create_kern(NULL, 0, 0, 0, NULL);])
1113                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
1114                                      [#include <linux/splice.h>],
1115                                      [splice_direct_to_actor(NULL,NULL,NULL);])
1116                  AC_CHECK_LINUX_FUNC([default_file_splice_read],
1117                                      [#include <linux/fs.h>],
1118                                      [default_file_splice_read(NULL,NULL,NULL, 0, 0);])
1119                  AC_CHECK_LINUX_FUNC([svc_addr_in],
1120                                      [#include <linux/sunrpc/svc.h>],
1121                                      [svc_addr_in(NULL);])
1122                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1123                                      [#include <linux/highmem.h>],
1124                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1125                  AC_CHECK_LINUX_FUNC([noop_fsync],
1126                                      [#include <linux/fs.h>],
1127                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1128                  AC_CHECK_LINUX_FUNC([kthread_run],
1129                                      [#include <linux/kernel.h>
1130                                       #include <linux/kthread.h>],
1131                                      [kthread_run(NULL, NULL, "test");])
1132                  AC_CHECK_LINUX_FUNC([inode_nohighmem],
1133                                      [#include <linux/fs.h>],
1134                                      [inode_nohighmem(NULL);])
1135                  AC_CHECK_LINUX_FUNC([inode_lock],
1136                                      [#include <linux/fs.h>],
1137                                      [inode_lock(NULL);])
1138
1139                  dnl Consequences - things which get set as a result of the
1140                  dnl                above tests
1141                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1142                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1143                                   [define to disable the nfs translator])])
1144
1145                  dnl Assorted more complex tests
1146                  LINUX_AIO_NONVECTOR
1147                  LINUX_EXPORTS_PROC_ROOT_FS
1148                  LINUX_KMEM_CACHE_INIT
1149                  LINUX_HAVE_KMEM_CACHE_T
1150                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1151                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1152                  LINUX_D_PATH_TAKES_STRUCT_PATH
1153                  LINUX_NEW_EXPORT_OPS
1154                  LINUX_INODE_SETATTR_RETURN_TYPE
1155                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1156                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1157                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1158                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1159                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1160                  LINUX_DOP_D_DELETE_TAKES_CONST
1161                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1162                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1163                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1164                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1165                  LINUX_AOP_WRITEBACK_CONTROL
1166                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1167                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1168                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1169                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1170                  LINUX_KERNEL_SOCK_CREATE
1171                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1172                  LINUX_NEED_RHCONFIG
1173                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1174                  LINUX_EXPORTS_TASKLIST_LOCK
1175                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1176                  LINUX_STATFS_TAKES_DENTRY
1177                  LINUX_REFRIGERATOR
1178                  LINUX_HAVE_TRY_TO_FREEZE
1179                  LINUX_LINUX_KEYRING_SUPPORT
1180                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1181                  LINUX_KEY_ALLOC_NEEDS_CRED
1182                  LINUX_INIT_WORK_HAS_DATA
1183                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1184                  LINUX_HAVE_DCACHE_LOCK
1185                  LINUX_D_COUNT_IS_INT
1186                  LINUX_IOP_GETATTR_TAKES_PATH_STRUCT
1187                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1188                  LINUX_IOP_CREATE_TAKES_UMODE_T
1189                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1190                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1191                  LINUX_DENTRY_OPEN_TAKES_PATH
1192                  LINUX_D_ALIAS_IS_HLIST
1193                  LINUX_HLIST_ITERATOR_NO_NODE
1194                  LINUX_IOP_I_CREATE_TAKES_BOOL
1195                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1196                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1197                  LINUX_D_INVALIDATE_IS_VOID
1198                  LINUX_KERNEL_READ_OFFSET_IS_LAST
1199
1200                  dnl If we are guaranteed that keyrings will work - that is
1201                  dnl  a) The kernel has keyrings enabled
1202                  dnl  b) The code is new enough to give us a key_type_keyring
1203                  dnl then we just disable syscall probing unless we've been
1204                  dnl told otherwise
1205
1206                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1207                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1208                           [enable_linux_syscall_probing="no"],
1209                           [enable_linux_syscall_probing="yes"])
1210                  ])
1211
1212                  dnl Syscall probing needs a few tests of its own, and just
1213                  dnl won't work if the kernel doesn't export init_mm
1214                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1215                    LINUX_EXPORTS_INIT_MM
1216                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1217                      AC_MSG_ERROR(
1218                        [Can't do syscall probing without exported init_mm])
1219                    ])
1220                    LINUX_EXPORTS_SYS_CHDIR
1221                    LINUX_EXPORTS_SYS_OPEN
1222                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1223                              [define to enable syscall table probes])
1224                  ])
1225
1226                  dnl Packaging and SMP build
1227                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1228                    LINUX_WHICH_MODULES
1229                  else
1230                    AC_SUBST(MPS,'SP')
1231                  fi
1232
1233                  dnl Syscall probing
1234                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1235                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1236                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1237                    ])
1238                    ac_cv_linux_exports_sys_call_table=no
1239                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1240                      ac_cv_linux_exports_ia32_sys_call_table=yes
1241                    fi
1242                  else
1243                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1244                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1245                    LINUX_EXPORTS_SYS_CALL_TABLE
1246                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1247                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1248                          linux_syscall_method=none
1249                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1250                             linux_syscall_method=scan
1251                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1252                                linux_syscall_method=scan_with_kallsyms_address
1253                             fi
1254                          fi
1255                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1256                             linux_syscall_method=kallsyms_symbol
1257                          fi
1258                          if test "x$linux_syscall_method" = "xnone"; then
1259                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1260                             linux_syscall_method=scan
1261                          fi
1262                    fi
1263                  fi
1264                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1265                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1266                  fi
1267                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1268                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1269                  fi
1270                  if test "x$ac_cv_linux_func_page_get_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1271                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1272                  else
1273                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1274                  fi
1275                  if test "x$ac_cv_linux_func_page_get_link" != "xyes" -a "x$ac_cv_linux_struct_inode_operations_has_get_link" = "xyes"; then
1276                         AC_MSG_ERROR([Your kernel does not use follow_link - not supported without symlink cache API])
1277                         exit 1
1278                  fi
1279                 :
1280                 fi
1281                 if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
1282                     AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
1283                 fi
1284 dnl Linux-only, but just enable always.
1285                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1286 esac
1287
1288 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1289     [ac_cv_sync_fetch_and_add],
1290     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1291                     [ac_cv_sync_fetch_and_add=yes],
1292                     [ac_cv_sync_fetch_and_add=no])
1293 ])
1294 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1295       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1296                 [define if your C compiler has __sync_add_and_fetch])])
1297
1298 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1299     [ac_cv_sockaddr_len],
1300     [AC_TRY_COMPILE( [#include <sys/types.h>
1301 #include <sys/socket.h>],
1302                      [struct sockaddr *a; a->sa_len=0;],
1303                      [ac_cv_sockaddr_len=yes],
1304                      [ac_cv_sockaddr_len=no])
1305 ])
1306 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1307       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1308                  [define if you struct sockaddr sa_len])])
1309
1310 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1311         echo Skipping library tests because they confuse Irix.
1312 else
1313   AC_SEARCH_LIBS([socket], [socket inet])
1314   AC_SEARCH_LIBS([connect], [nsl])
1315   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1316
1317   dnl darwin wants it, aix hates it
1318   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1319   AC_TRY_COMPILE([
1320   #include <stdlib.h>
1321   #include <stdio.h>
1322   #include <sys/types.h>
1323   #include <sys/socket.h>
1324   #include <netinet/in.h>
1325   #include <arpa/inet.h>
1326   #include <arpa/nameser.h>
1327   #include <arpa/nameser_compat.h>
1328   #include <resolv.h>
1329   ], [static int i; i = 0;],
1330   [AC_MSG_RESULT(yes)
1331    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1332   [AC_MSG_RESULT(no)
1333    ])
1334
1335   openafs_save_libs="$LIBS"
1336   AC_MSG_CHECKING([for res_search])
1337   AC_FUNC_RES_SEARCH
1338
1339   if test "$ac_cv_func_res_search" = no; then
1340       for lib in dns nsl resolv; do
1341         if test "$ac_cv_func_res_search" != yes; then
1342           LIBS="-l$lib $LIBS"
1343           AC_FUNC_RES_SEARCH
1344           LIBS="$openafs_save_libs"
1345         fi
1346       done    
1347       if test "$ac_cv_func_res_search" = yes; then
1348         LIB_AFSDB="-l$lib"
1349         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1350         AC_MSG_RESULT([yes, in lib$lib])
1351       else
1352         AC_MSG_RESULT(no)
1353       fi
1354   else
1355     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1356     AC_MSG_RESULT(yes)
1357   fi
1358   
1359 fi
1360 XLIBS="$LIB_AFSDB $XLIBS"
1361
1362 AC_CHECK_RESOLV_RETRANS
1363
1364 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1365     [ac_cv_setsockopt_iprecverr],
1366     [AC_TRY_COMPILE( [
1367 #include <sys/types.h>
1368 #include <sys/socket.h>
1369 #include <netinet/in.h>],
1370 [int on=1;
1371 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1372         [ac_cv_setsockopt_iprecverr=yes],
1373         [ac_cv_setsockopt_iprecverr=no])])
1374
1375 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1376       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1377                  [define if we can receive socket errors via IP_RECVERR])])
1378
1379 PTHREAD_LIBS=error
1380 if test "x$MKAFS_OSTYPE" = OBSD; then
1381         PTHREAD_LIBS="-pthread"
1382 fi
1383 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1384         PTHREAD_LIBS="-pthread"
1385 fi
1386 if test "x$PTHREAD_LIBS" = xerror; then
1387         AC_CHECK_LIB(pthread, pthread_attr_init,
1388                 PTHREAD_LIBS="-lpthread")
1389 fi
1390 if test "x$PTHREAD_LIBS" = xerror; then
1391         AC_CHECK_LIB(pthreads, pthread_attr_init,
1392                 PTHREAD_LIBS="-lpthreads")
1393 fi
1394 if test "x$PTHREAD_LIBS" = xerror; then
1395         AC_CHECK_LIB(c_r, pthread_attr_init,
1396                 PTHREAD_LIBS="-lc_r")
1397 fi
1398 if test "x$PTHREAD_LIBS" = xerror; then
1399         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1400 fi
1401 if test "x$PTHREAD_LIBS" = xerror; then
1402         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1403         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1404                 PTHREAD_LIBS="-lpthread")
1405 fi
1406 if test "x$PTHREAD_LIBS" = xerror; then
1407         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1408 fi
1409 AC_SUBST(PTHREAD_LIBS)
1410
1411 HOST_CPU="$host_cpu"
1412
1413 if test "x$with_bsd_kernel_headers" != "x"; then
1414         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1415 else
1416         BSD_KERNEL_PATH="/usr/src/sys"
1417 fi
1418
1419 if test "x$with_bsd_kernel_build" != "x"; then
1420         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1421 else
1422         case $AFS_SYSNAME in
1423                 *_fbsd_*)
1424                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1425                         ;;
1426                 *_nbsd*)
1427                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1428         esac
1429 fi
1430
1431 # Fast restart
1432 if test "$enable_supergroups" = "yes"; then
1433         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1434 fi
1435
1436 if test "$enable_bitmap_later" = "yes"; then
1437         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1438 fi
1439
1440 if test "$enable_unix_sockets" = "yes"; then
1441         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1442         USE_UNIX_SOCKETS="yes"
1443 else
1444         USE_UNIX_SOCKETS="no"
1445 fi
1446 AC_SUBST(USE_UNIX_SOCKETS)
1447
1448 if test "$enable_ubik_read_while_write" = "yes"; then
1449         AC_DEFINE(UBIK_READ_WHILE_WRITE, 1, [define if you want to enable ubik read while write])
1450 fi
1451
1452 if test "$enable_namei_fileserver" = "yes"; then
1453         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1454         VFSCK=""
1455 else
1456         if test "$enable_namei_fileserver" = "default"; then
1457                 case $host in
1458                         *-solaris2.10*)
1459                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1460                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1461                                 VFSCK=""
1462                                 ;;
1463                         *-solaris2.11*)
1464                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1465                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1466                                 VFSCK=""
1467                                 ;;
1468                         *)
1469                                 VFSCK="vfsck"
1470                                 ;;
1471                 esac
1472         else
1473                 VFSCK="vfsck"
1474         fi
1475 fi
1476
1477 dnl check for tivoli
1478 AC_MSG_CHECKING(for tivoli tsm butc support)
1479 XBSA_CFLAGS=""
1480 if test "$enable_tivoli_tsm" = "yes"; then
1481         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1482         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1483         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1484         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1485         XBSADIR5=/usr/tivoli/tsm/client/api/bin64/sample
1486         XBSADIR6=/opt/tivoli/tsm/client/api/bin64/sample
1487
1488         if test -r "$XBSADIR3/dsmapifp.h"; then
1489                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1490                 XBSA_XLIBS="-ldl"
1491                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1492         elif test -r "$XBSADIR4/dsmapifp.h"; then
1493                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1494                 XBSA_XLIBS="-ldl"
1495                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1496         elif test -r "$XBSADIR5/dsmapifp.h"; then
1497                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR5"
1498                 XBSA_XLIBS="-ldl"
1499                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1500         elif test -r "$XBSADIR6/dsmapifp.h"; then
1501                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR6"
1502                 XBSA_XLIBS="-ldl"
1503                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1504         elif test -r "$XBSADIR1/xbsa.h"; then
1505                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1506                 XBSA_XLIBS=""
1507                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1508         elif test -r "$XBSADIR2/xbsa.h"; then
1509                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1510                 XBSA_XLIBS=""
1511                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1512         else
1513                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1514         fi
1515 else
1516         AC_MSG_RESULT([no])
1517 fi
1518 AC_SUBST(XBSA_CFLAGS)
1519 AC_SUBST(XBSA_XLIBS) 
1520 XLIBS="$XBSA_XLIBS $XLIBS"
1521
1522 dnl checks for header files.
1523 AC_HEADER_STDC
1524 AC_HEADER_SYS_WAIT
1525 AC_HEADER_DIRENT
1526 AC_CHECK_HEADERS([ \
1527                    arpa/inet.h \
1528                    arpa/nameser.h \
1529                    curses.h\
1530                    direct.h \
1531                    errno.h \
1532                    fcntl.h \
1533                    grp.h \
1534                    math.h \
1535                    mntent.h \
1536                    ncurses.h \
1537                    ncurses/ncurses.h \
1538                    netdb.h \
1539                    netinet/in.h \
1540                    pthread_np.h \
1541                    pwd.h \
1542                    regex.h \
1543                    security/pam_appl.h \
1544                    signal.h \
1545                    stdint.h \
1546                    stdio_ext.h \
1547                    stdlib.h \
1548                    string.h \
1549                    strings.h \
1550                    sys/bitypes.h \
1551                    sys/bswap.h \
1552                    sys/dk.h \
1553                    sys/fcntl.h \
1554                    sys/file.h \
1555                    sys/fs_types.h \
1556                    sys/fstyp.h \
1557                    sys/ioctl.h \
1558                    sys/ipc.h \
1559                    sys/lockf.h \
1560                    sys/map.h \
1561                    sys/mount.h \
1562                    sys/mntent.h \
1563                    sys/mnttab.h \
1564                    sys/pag.h \
1565                    sys/param.h \
1566                    sys/resource.h \
1567                    sys/select.h \
1568                    sys/statfs.h \
1569                    sys/statvfs.h \
1570                    sys/socket.h \
1571                    sys/sysctl.h \
1572                    sys/time.h \
1573                    sys/types.h \
1574                    sys/uio.h \
1575                    sys/un.h \
1576                    sys/vfs.h \
1577                    syslog.h \
1578                    termios.h \
1579                    time.h \
1580                    ucontext.h \
1581                    unistd.h \
1582                    windows.h \
1583                 ])
1584
1585 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1586 #ifdef HAVE_NETINET_IN_H
1587 # include <netinet/in.h>
1588 #endif])
1589
1590 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1591 #ifdef HAVE_SYS_SOCKET_H
1592 # include <sys/socket.h>
1593 #endif])
1594
1595 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1596 #ifdef HAVE_SYS_SOCKET_H
1597 # include <sys/socket.h>
1598 #endif
1599 #ifdef HAVE_NETINET_IN_H
1600 # include <netinet/in.h>
1601 #endif
1602 #ifdef HAVE_NET_IF_H
1603 # include <net/if.h>
1604 #endif])
1605
1606 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1607 #ifdef HAVE_SECURITY_PAM_APPL_H
1608 # include <security/pam_appl.h>
1609 #endif])
1610
1611 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1612
1613 AC_CHECK_TYPES([fsblkcnt_t],,,[
1614 #include <sys/types.h>
1615 #ifdef HAVE_SYS_BITYPES_H
1616 #include <sys/bitypes.h>
1617 #endif
1618 #ifdef HAVE_SYS_STATFS_H
1619 #include <sys/statfs.h>
1620 #endif
1621 #ifdef HAVE_SYS_STATVFS_H
1622 #include <sys/statvfs.h>
1623 #endif
1624 ])
1625
1626 dnl see what struct stat has for timestamps
1627 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1628
1629 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1630
1631 if test "$enable_debug_locks" = yes; then
1632         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1633 fi
1634
1635 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1636         HAVE_PAM="yes"
1637 else
1638         HAVE_PAM="no"
1639 fi
1640 AC_SUBST(HAVE_PAM)
1641
1642 if test "$enable_login" = yes; then
1643         BUILD_LOGIN="yes"
1644 else
1645         BUILD_LOGIN="no"
1646 fi
1647 AC_SUBST(BUILD_LOGIN)
1648
1649 if test "$enable_kauth" = yes; then
1650         INSTALL_KAUTH="yes"
1651 else
1652         INSTALL_KAUTH="no"
1653 fi
1654 AC_SUBST(INSTALL_KAUTH)
1655
1656 AC_CHECK_FUNCS([ \
1657         arc4random \
1658         closelog \
1659         fcntl \
1660         fseeko64 \
1661         ftello64 \
1662         getcwd \
1663         getegid \
1664         geteuid \
1665         getgid \
1666         getuid \
1667         getrlimit \
1668         issetugid \
1669         mkstemp \
1670         openlog \
1671         poll \
1672         pread \
1673         preadv \
1674         preadv64 \
1675         pwrite \
1676         pwritev \
1677         pwritev64 \
1678         regcomp \
1679         regerror \
1680         regexec \
1681         setitimer \
1682         setvbuf \
1683         sigaction \
1684         strcasestr \
1685         strerror \
1686         sysconf \
1687         sysctl \
1688         syslog \
1689         tdestroy \
1690         timegm \
1691 ])
1692
1693 OPENAFS_ROKEN()
1694 OPENAFS_HCRYPTO()
1695 OPENAFS_CURSES()
1696 OPENAFS_C_ATTRIBUTE()
1697 OPENAFS_C_PRAGMA()
1698
1699 dnl Functions that Heimdal's libroken provides, but that we
1700 dnl haven't found a need for yet, and so haven't imported
1701 AC_CHECK_FUNCS([ \
1702         chown \
1703         fchown \
1704         gethostname \
1705         lstat \
1706         inet_aton \
1707         putenv \
1708         readv \
1709         setenv \
1710         strdup \
1711         strftime \
1712         strndup \
1713         strsep \
1714         unsetenv \
1715 ])
1716
1717 dnl Functions that are in objects that we always build from libroken
1718 AC_CHECK_FUNCS([ \
1719         asprintf \
1720         asnprintf \
1721         vasprintf \
1722         vasnprintf \
1723         vsnprintf \
1724         snprintf \
1725 ])
1726
1727 dnl Functions that we're going to try and get from libroken
1728 AC_REPLACE_FUNCS([ \
1729         daemon \
1730         ecalloc \
1731         emalloc \
1732         erealloc \
1733         err \
1734         errx \
1735         flock \
1736         freeaddrinfo \
1737         gai_strerror \
1738         getaddrinfo \
1739         getdtablesize \
1740         getnameinfo \
1741         getopt \
1742         getprogname \
1743         gettimeofday \
1744         inet_ntop \
1745         inet_pton \
1746         localtime_r \
1747         mkstemp \
1748         setenv \
1749         setprogname \
1750         strcasecmp \
1751         strlcat \
1752         strnlen \
1753         strlcpy \
1754         strsep \
1755         tdelete \
1756         tfind \
1757         tsearch \
1758         twalk \
1759         unsetenv \
1760         verr \
1761         verrx \
1762         vsyslog \
1763         vwarn \
1764         vwarnx \
1765         warn \
1766         warnx \
1767 ])
1768
1769 dnl Headers that we're going to try and get from libroken
1770 AC_CHECK_HEADERS([ \
1771         err.h \
1772         search.h \
1773 ])
1774
1775 AC_CHECK_DECLS([h_errno], [], [], [
1776 #include <sys/types.h>
1777 #ifdef HAVE_NETDB_H
1778 #include <netdb.h>
1779 #endif
1780 ])
1781
1782 AC_HEADER_TIME
1783
1784 ROKEN_HEADERS=
1785 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1786       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1787       [])
1788 AC_SUBST(ROKEN_HEADERS)
1789
1790 dnl Stuff that's harder ...
1791 AC_MSG_CHECKING([for bswap16])
1792 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1793 #ifdef HAVE_SYS_TYPES_H
1794 #include <sys/types.h>
1795 #endif
1796 #ifdef HAVE_SYS_BSWAP_H
1797 #include <sys/bswap.h>
1798 #endif
1799 ],
1800 [short a, b; b = bswap16(a); ])],
1801 [AC_MSG_RESULT(yes)
1802  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1803 ],
1804 [AC_MSG_RESULT(no)])
1805
1806 AC_MSG_CHECKING([for bswap32])
1807 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1808 #include <sys/types.h>
1809 #endif
1810 #ifdef HAVE_SYS_BSWAP_H
1811 #include <sys/bswap.h>
1812 #endif
1813 ],
1814 [int a, b; b = bswap32(a); ])],
1815 [AC_MSG_RESULT(yes)
1816  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1817 ],
1818 [AC_MSG_RESULT(no)])
1819
1820 case $AFS_SYSNAME in
1821 *hp_ux* | *hpux*)
1822    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1823    ;;
1824 *)
1825    AC_MSG_CHECKING([for positional I/O])
1826    if test "$ac_cv_func_pread" = "yes" && \
1827            test "$ac_cv_func_pwrite" = "yes"; then
1828       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1829       AC_MSG_RESULT(yes)
1830    else
1831      AC_MSG_RESULT(no)
1832    fi
1833    AC_MSG_CHECKING([for vectored positional I/O])
1834    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1835                "$ac_cv_func_pwritev" = "yes" -a \
1836                "$ac_cv_func_preadv64" = "yes" -a \
1837                "$ac_cv_func_pwritev64" = "yes"],
1838          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1839           AC_MSG_RESULT(yes)],
1840          [AC_MSG_RESULT(no)])
1841    ;;
1842 esac
1843
1844 AC_MSG_CHECKING([for POSIX regex library])
1845 if test "$ac_cv_header_regex_h" = "yes" && \
1846         test "$ac_cv_func_regcomp" = "yes" && \
1847         test "$ac_cv_func_regexec" = "yes" && \
1848         test "$ac_cv_func_regerror" = "yes"; then
1849     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1850     AC_MSG_RESULT(yes)
1851 else
1852     AC_MSG_RESULT(no)
1853 fi
1854
1855 dnl Look for "non-portable" pthreads functions.
1856 save_LIBS="$LIBS"
1857 LIBS="$LIBS $PTHREAD_LIBS"
1858 AC_CHECK_FUNCS([ \
1859         pthread_set_name_np \
1860         pthread_setname_np \
1861 ])
1862
1863 dnl Sadly, there are three different versions of pthread_setname_np.
1864 dnl Try to cater for all of them.
1865 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1866     AC_MSG_CHECKING([for signature of pthread_setname_np])
1867     AC_TRY_COMPILE([
1868 #include <pthread.h>
1869 #ifdef HAVE_PTHREAD_NP_H
1870 #include <pthread_np.h>
1871 #endif
1872 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1873         AC_MSG_RESULT([three arguments])
1874         pthread_setname_np_args=3], [
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")], [
1881             AC_MSG_RESULT([two arguments])
1882             pthread_setname_np_args=2], [
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("test")], [
1889                 AC_MSG_RESULT([one argument])
1890                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1891 ])
1892 ])
1893 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1894 fi
1895 LIBS="$save_LIBS"
1896
1897 openafs_cv_saved_CFLAGS="$CFLAGS"
1898 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1899
1900 AC_TYPE_SIGNAL
1901 OPENAFS_RETSIGTYPE
1902 AC_CHECK_SIZEOF(void *)
1903 AC_CHECK_SIZEOF(unsigned long long)
1904 AC_CHECK_SIZEOF(unsigned long)
1905 AC_CHECK_SIZEOF(unsigned int)
1906 AC_TYPE_INTPTR_T
1907 AC_TYPE_UINTPTR_T
1908 AC_TYPE_SSIZE_T
1909 AC_CHECK_TYPE([sig_atomic_t],[],
1910     [AC_DEFINE([sig_atomic_t], [int],
1911         [Define to int if <signal.h> does not define.])],
1912 [#include <sys/types.h>
1913 #include <signal.h>])
1914 AC_CHECK_TYPE([socklen_t],[],
1915     [AC_DEFINE([socklen_t], [int],
1916         [Define to int if <sys/socket.h> does not define.])],
1917 [#include <sys/types.h>
1918 #include <sys/socket.h>])
1919 AC_CHECK_TYPES(off64_t)
1920 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1921 AC_CHECK_TYPES([struct winsize], [], [], [
1922 #ifdef HAVE_TERMIOS_H
1923 # include <termios.h>
1924 #else
1925 # include <sys/termios.h>
1926 #endif
1927 #include <sys/ioctl.h>])
1928 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1929                 struct sockaddr_storage],
1930                [], [], [
1931 #include <sys/types.h>
1932 #include <sys/socket.h>
1933 ])
1934 AC_CHECK_TYPES([sa_family_t], [], [], [
1935 #include <sys/types.h>
1936 #include <sys/socket.h>
1937 ])
1938 AC_CHECK_TYPES([struct addrinfo], [], [], [
1939 #include <sys/types.h>
1940 #ifdef HAVE_NETDB_H
1941 #include <netdb.h>
1942 #endif
1943 ])
1944 AC_CHECK_TYPES([long long], [], [], [])
1945
1946 AC_SIZEOF_TYPE(long)
1947
1948 CFLAGS="$openafs_cv_saved_CFLAGS"
1949
1950 RRA_HEADER_PAM_CONST
1951
1952
1953 dnl Directory PATH handling
1954 if test "x$enable_transarc_paths" = "xyes"  ; then 
1955     afsconfdir=${afsconfdir=/usr/afs/etc}
1956     viceetcdir=${viceetcdir=/usr/vice/etc}
1957     afskerneldir=${afskerneldir=${viceetcdir}}
1958     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1959     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1960     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1961     afsdbdir=${afsdbdir=/usr/afs/db}
1962     afslogsdir=${afslogsdir=/usr/afs/logs}
1963     afslocaldir=${afslocaldir=/usr/afs/local}
1964     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1965     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1966     afsdatadir=${afsdatadir=/usr/vice/etc}
1967 else 
1968     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1969     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1970     afskerneldir=${afskerneldir='${libdir}/openafs'}
1971     afssrvbindir=${afssrvbindir='${bindir}'}
1972     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1973     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1974     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1975     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1976     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1977     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1978     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1979     afsdatadir=${afsdatadir='${datadir}/openafs'}
1980 fi
1981 AC_SUBST(afsconfdir)
1982 AC_SUBST(viceetcdir)
1983 AC_SUBST(afskerneldir)
1984 AC_SUBST(afssrvbindir)
1985 AC_SUBST(afssrvsbindir)
1986 AC_SUBST(afssrvlibexecdir)
1987 AC_SUBST(afsdbdir)
1988 AC_SUBST(afslogsdir)
1989 AC_SUBST(afslocaldir)
1990 AC_SUBST(afsbackupdir)
1991 AC_SUBST(afsbosconfigdir)
1992 AC_SUBST(afsdatadir)
1993
1994 if test "x$enable_kernel_module" = "xyes"; then
1995 ENABLE_KERNEL_MODULE=libafs
1996 fi
1997
1998 if test "x$enable_pthreaded_ubik" = "xyes"; then
1999 ENABLE_PTHREADED_UBIK=yes
2000 fi
2001
2002 AC_SUBST(VFSCK)
2003 AC_SUBST(AFS_SYSNAME)
2004 AC_SUBST(AFS_PARAM_COMMON)
2005 AC_SUBST(ENABLE_KERNEL_MODULE)
2006 AC_SUBST(ENABLE_PTHREADED_UBIK)
2007 AC_SUBST(LIB_AFSDB)
2008 AC_SUBST(LINUX_KERNEL_PATH)
2009 AC_SUBST(LINUX_KERNEL_BUILD)
2010 AC_SUBST(HOST_CPU)
2011 AC_SUBST(BSD_KERNEL_PATH)
2012 AC_SUBST(BSD_KERNEL_BUILD)
2013 AC_SUBST(LINUX_VERSION)
2014 AC_SUBST(MKAFS_OSTYPE)
2015 AC_SUBST(TOP_OBJDIR)
2016 AC_SUBST(TOP_SRCDIR)
2017 AC_SUBST(TOP_INCDIR)
2018 AC_SUBST(TOP_LIBDIR)
2019 AC_SUBST(DEST)
2020 AC_SUBST(DARWIN_INFOFILE)
2021 AC_SUBST(IRIX_BUILD_IP35)
2022 AC_SUBST(HTML_XSL)
2023 AC_SUBST(XSLTPROC)
2024 AC_SUBST(DOCBOOK2PDF)
2025 AC_SUBST(DOCBOOK_STYLESHEETS)
2026
2027 OPENAFS_FUSE
2028 OPENAFS_SWIG
2029
2030 TOP_SRCDIR="${srcdir}/src"
2031 dnl
2032 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
2033 dnl
2034 case $TOP_SRCDIR in
2035         /*)
2036                 ;;
2037         *)
2038                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
2039                 ;;
2040 esac
2041
2042 TOP_OBJDIR="${SRCDIR_PARENT}"
2043 TOP_INCDIR="${SRCDIR_PARENT}/include"
2044 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
2045 if test "${DEST}x" = "x"; then
2046         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
2047 fi
2048
2049 if test "x$with_crosstools_dir" != "x"; then
2050         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
2051                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
2052                 CONFIGTOOL_PATH=$with_crosstools_dir/config
2053                 RXGEN_PATH=$with_crosstools_dir/rxgen
2054         else
2055                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
2056                 exit 1
2057         fi
2058 else
2059         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
2060         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
2061         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
2062 fi
2063 AC_SUBST(COMPILE_ET_PATH)
2064 AC_SUBST(CONFIGTOOL_PATH)
2065 AC_SUBST(RXGEN_PATH)
2066
2067 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
2068 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
2069 AC_SUBST(HELPER_SPLINT)
2070 AC_SUBST(HELPER_SPLINTCFG)
2071
2072 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
2073
2074 dnl Check to see if crypt lives in a different library
2075 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
2076 AC_SUBST(LIB_crypt)
2077
2078 dnl Check to see if the compiler support labels in structs
2079 AC_MSG_CHECKING(for label support in structs)
2080 AC_TRY_COMPILE([], [
2081 extern void osi_UFSOpen(void);
2082 struct labeltest {
2083    void (*open) (void);
2084 };
2085 struct labeltest struct_labeltest = {
2086    .open       = osi_UFSOpen,
2087 }
2088 ],
2089 [AC_MSG_RESULT(yes)
2090  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
2091 ],
2092 [AC_MSG_RESULT(no)
2093 ])
2094
2095 AC_MSG_CHECKING([checking for dirfd])
2096 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
2097 #ifdef HAVE_DIRENT_H
2098 #include <dirent.h>
2099 #endif
2100 ]],
2101         [[DIR *d = 0; dirfd(d);]])],
2102         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
2103 if test "$ac_rk_have_dirfd" = "yes" ; then
2104         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
2105 fi
2106 AC_MSG_RESULT($ac_rk_have_dirfd)
2107
2108 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
2109 #ifdef HAVE_DIRENT_H
2110 #include <dirent.h>
2111 #endif])
2112
2113 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
2114 [#ifdef HAVE_SYS_RESOURCE_H
2115 #include <sys/resource.h>
2116 #endif])
2117
2118 dnl Check for UUID library
2119 AC_CHECK_HEADERS([uuid/uuid.h])
2120 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
2121 AC_CHECK_FUNCS([uuid_generate])
2122 ])
2123
2124