Linux: Restructure kernel header detection
[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 dnl General feature options.
78 AC_ARG_ENABLE([pam],
79     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
80     ,
81     [enable_pam="yes"])
82 AC_ARG_ENABLE([gtx],
83     AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools]))
84 AC_ARG_ENABLE([uss],
85     AS_HELP_STRING([--disable-uss], [disable uss bulk creation tool]))
86 AC_ARG_ENABLE([namei-fileserver],
87     [AS_HELP_STRING([--enable-namei-fileserver],
88         [force compilation of namei fileserver in preference to inode
89          fileserver])],
90     , 
91     [enable_namei_fileserver="default"])
92 AC_ARG_ENABLE([supergroups],
93     [AS_HELP_STRING([--enable-supergroups],
94         [enable support for nested pts groups])],
95     , 
96     [enable_supergroups="no"])
97 AC_ARG_ENABLE([bitmap-later],
98     [AS_HELP_STRING([--enable-bitmap-later],
99         [enable fast startup of file server by not reading bitmap till
100          needed])],
101     , 
102     [enable_bitmap_later="no"])
103 AC_ARG_ENABLE([unix-sockets],
104     [AS_HELP_STRING([--disable-unix-sockets],
105         [disable use of unix domain sockets for fssync (defaults to enabled)])],
106     ,
107     [enable_unix_sockets="yes"])
108 AC_ARG_ENABLE([tivoli-tsm],
109     [AS_HELP_STRING([--enable-tivoli-tsm],
110         [enable use of the Tivoli TSM API libraries for butc support])],
111     , 
112     [enable_tivoli_tsm="no"])
113 AC_ARG_ENABLE([pthreaded-ubik],
114     [AS_HELP_STRING([--enable-pthreaded-ubik],
115         [enable installation of pthreaded ubik applications (defaults to
116          disabled)])],
117     ,
118     [enable_pthreaded_ubik="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          /usr/src/linux-2.4, then /usr/src/linux)])])
125 AC_ARG_WITH([linux-kernel-build],
126     [AS_HELP_STRING([--with-linux-kernel-build=path],
127         [use the kernel build found at path(optional, defaults to 
128         /usr/src/linux-2.4, then /usr/src/linux)])])
129 AC_ARG_WITH([bsd-kernel-headers],
130     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
131         [use the kernel headers found at path (optional, defaults to
132          /usr/src/sys)])])
133 AC_ARG_WITH([bsd-kernel-build],
134     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
135         [use the kernel build found at path (optional, defaults to
136          KSRC/i386/compile/GENERIC)])])
137 AC_ARG_WITH([linux-kernel-packaging],
138     [AS_HELP_STRING([--with-linux-kernel-packaging],
139         [use standard naming conventions to aid Linux kernel build packaging
140          (disables MPS, sets the kernel module name to openafs.ko, and
141          installs kernel modules into the standard Linux location)])],
142     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
143      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
144     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
145 AC_ARG_ENABLE([kernel-module],
146     [AS_HELP_STRING([--disable-kernel-module],
147         [disable compilation of the kernel module (defaults to enabled)])],
148     , 
149     [enable_kernel_module="yes"])
150 AC_ARG_ENABLE([redhat-buildsys],
151     [AS_HELP_STRING([--enable-redhat-buildsys],
152         [enable compilation of the redhat build system kernel (defaults to
153          disabled)])],
154     ,
155     [enable_redhat_buildsys="no"])
156
157 dnl Installation locations.
158 AC_ARG_ENABLE([transarc-paths],
159     [AS_HELP_STRING([--enable-transarc-paths],
160         [use Transarc style paths like /usr/afs and /usr/vice])],
161     , 
162     [enable_transarc_paths="no"])
163
164 dnl Optimization and debugging flags.
165 AC_ARG_ENABLE([strip-binaries],
166     [AS_HELP_STRING([--disable-strip-binaries],
167         [disable stripping of symbol information from binaries (defaults to
168          enabled)])],
169     ,
170     [enable_strip_binaries="maybe"])
171 AC_ARG_ENABLE([debug],
172     [AS_HELP_STRING([--enable-debug],
173         [enable compilation of the user space code with debugging information
174          (defaults to disabled)])],
175     , 
176     [enable_debug="no"])
177 AC_ARG_ENABLE([optimize],
178     [AS_HELP_STRING([--disable-optimize],
179         [disable optimization for compilation of the user space code (defaults
180          to enabled)])],
181     , 
182     [enable_optimize="yes"])
183 AC_ARG_ENABLE([warnings],
184     [AS_HELP_STRING([--enable-warnings],
185         [enable compilation warnings when building with gcc (defaults to
186          disabled)])],
187     ,
188     [enable_warnings="no"])
189 AC_ARG_ENABLE([checking],
190     [AS_HELP_STRING([--enable-checking],
191         [turn compilation warnings into errors when building with gcc (defaults
192          to disabled)])],
193     [enable_checking="$enableval"],
194     [enable_checking="no"])
195 AC_ARG_ENABLE([debug-locks],
196     [AS_HELP_STRING([--enable-debug-locks],
197         [turn on lock debugging assertions (defaults to disabled)])],
198     [enable_debug_locks="$enableval"],
199     [enable_debug_locks="no"])
200 AC_ARG_ENABLE([debug-kernel],
201     [AS_HELP_STRING([--enable-debug-kernel],
202         [enable compilation of the kernel module with debugging information
203          (defaults to disabled)])],
204     ,
205     [enable_debug_kernel="no"])
206 AC_ARG_ENABLE([optimize-kernel],
207     [AS_HELP_STRING([--disable-optimize-kernel],
208         [disable compilation of the kernel module with optimization (defaults
209          based on platform)])],
210     , 
211     [enable_optimize_kernel=""])
212 AC_ARG_ENABLE([debug-lwp],
213     [AS_HELP_STRING([--enable-debug-lwp],
214         [enable compilation of the LWP code with debugging information
215          (defaults to disabled)])],
216     ,
217     [enable_debug_lwp="no"])
218 AC_ARG_ENABLE([optimize-lwp],
219     [AS_HELP_STRING([--disable-optimize-lwp],
220         [disable optimization for compilation of the LWP code (defaults to
221          enabled)])],
222     ,
223     [enable_optimize_lwp="yes"])
224 AC_ARG_ENABLE([debug-pam],
225     [AS_HELP_STRING([--enable-debug-pam],
226         [enable compilation of the PAM code with debugging information
227          (defaults to disabled)])],
228     ,
229     [enable_debug_pam="no"])
230 AC_ARG_ENABLE([optimize-pam],
231     [AS_HELP_STRING([--disable-optimize-pam],
232         [disable optimization for compilation of the PAM code (defaults to
233          enabled)])],
234     ,
235     [enable_optimize_pam="yes"])
236 AC_ARG_ENABLE([linux-syscall-probing],
237     [AS_HELP_STRING([--enable-linux-syscall-probing],
238         [enable Linux syscall probing (defaults to autodetect)])],
239     ,
240     [enable_linux_syscall_probing="maybe"])
241 AC_ARG_WITH([crosstools-dir],
242     [AS_HELP_STRING([--with-crosstools-dir=path], [use path for native versions of rxgen, compile_et and config])])
243     
244 AC_ARG_WITH([xslt-processor],
245         AS_HELP_STRING([--with-xslt-processor=ARG],
246         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
247         [XSLTPROC="$withval"],
248         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
249
250 AC_ARG_WITH([html-xsl], 
251         AS_HELP_STRING([--with-html-xsl],
252         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
253         [HTML_XSL="$withval"],
254         [HTML_XSL="html/chunk.xsl"])
255
256 AC_ARG_WITH([docbook2pdf],
257         AS_HELP_STRING([--with-docbook2pdf=ARG],
258         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
259         [DOCBOOK2PDF="$withval"],
260         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
261
262 AC_ARG_WITH([docbook-stylesheets],
263         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
264         [location of DocBook stylesheets (default is to search a set of likely paths)]),
265         [DOCBOOK_STYLESHEETS="$withval"],
266         OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
267         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
268                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
269         fi)
270
271 enable_login="no"
272
273 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
274 dnl documentation build.
275 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
276
277 dnl weird ass systems
278 dnl AC_AIX
279 AC_ISC_POSIX
280 dnl AC_MINIX
281
282 dnl Various compiler setup.
283 AC_TYPE_PID_T
284 AC_TYPE_SIZE_T
285
286 dnl Checks for programs.
287 AC_PROG_INSTALL
288 AC_PROG_LN_S
289 AC_PROG_RANLIB
290 AC_PROG_YACC
291 AM_PROG_LEX
292 dnl if we are flex, be lex-compatible
293 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
294
295 OPENAFS_FORCE_ABS_INSTALL
296 OPENAFS_CHECK_BIGENDIAN
297 OPENAFS_PRINTF_TAKES_Z_LEN
298
299 AC_MSG_CHECKING(your OS)
300 system=$host
301 case $system in
302         *-linux*)
303
304                 MKAFS_OSTYPE=LINUX
305                 if test "x$enable_redhat_buildsys" = "xyes"; then
306                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
307                 fi
308                 if test "x$enable_kernel_module" = "xyes"; then
309                  if test "x$with_linux_kernel_headers" != "x"; then
310                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
311                  else
312                    for utsdir in "/lib/modules/`uname -r`/build" \
313                                  "/lib/modules/`uname -r`/source" \
314                                  "/usr/src/linux-2.4" \
315                                  "/usr/src/linux"; do
316                      LINUX_KERNEL_PATH="$utsdir"
317                      for utsfile in "include/generated/utsrelease.h" \
318                                     "include/linux/utsrelease.h" \
319                                     "include/linux/version.h" \
320                                     "include/linux/version-up.h"; do
321                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
322                          break 2
323                        fi
324                      done
325                    done
326                  fi
327                  if test "x$with_linux_kernel_build" != "x"; then
328                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
329                  else
330                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
331                  fi
332                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
333                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
334                    LINUX_VERSION="$linux_kvers"
335                  else
336                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
337                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
338                      LINUX_VERSION="$linux_kvers"
339                    else
340                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
341                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
342                        if test "x$linux_kvers" = "x"; then
343                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
344                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
345                            if test "x$linux_kvers" = "x"; then
346                              AC_MSG_ERROR(Linux headers lack version definition [2])
347                              exit 1
348                            else
349                              LINUX_VERSION="$linux_kvers"
350                            fi
351                          else
352                            AC_MSG_ERROR(Linux headers lack version definition)
353                            exit 1
354                          fi
355                        else
356                          LINUX_VERSION="$linux_kvers"
357                        fi
358                      else
359                        enable_kernel_module="no"
360                      fi
361                    fi
362                  fi
363                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
364                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
365                      enable_kernel_module="no"
366                  fi
367                  if test "x$enable_kernel_module" = "xno"; then
368                   if test "x$with_linux_kernel_headers" != "x"; then
369                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
370                    exit 1
371                   else
372                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
373                   fi
374                  fi
375                  dnl do we need to determine SUBARCH from autoconf.h
376                  SUBARCH=default
377                 fi
378                 AC_MSG_RESULT(linux)
379                 if test "x$enable_kernel_module" = "xyes"; then
380                  case "$LINUX_VERSION" in
381                   2.2.*) AFS_SYSKVERS=22 ;;
382                   2.4.*) AFS_SYSKVERS=24 ;;
383                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
384                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
385                  esac
386                 fi
387                 ;;
388         *-solaris*)
389                 MKAFS_OSTYPE=SOLARIS
390                 AC_MSG_RESULT(sun4)
391                 AC_PATH_PROG(SOLARISCC, [cc], ,
392                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
393                 if test "x$SOLARISCC" = "x" ; then
394                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
395                 fi
396                 SOLARIS_UFSVFS_HAS_DQRWLOCK
397                 SOLARIS_FS_HAS_FS_ROLLED
398                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
399                 ;;
400         *-sunos*)
401                 MKAFS_OSTYPE=SUNOS
402                 enable_kernel_module=no
403                 AC_MSG_RESULT(sun4)
404                 ;;
405         *-hpux*)
406                 MKAFS_OSTYPE=HPUX
407                 AC_MSG_RESULT(hp_ux)
408                 if test -f "/usr/old/usr/include/ndir.h"; then
409                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
410                 fi
411                 ;;
412         *-irix*)
413                 if test -d /usr/include/sys/SN/SN1; then
414                  IRIX_BUILD_IP35="IP35"
415                 fi
416                 MKAFS_OSTYPE=IRIX
417                 AC_MSG_RESULT(sgi)
418                 ;;
419         *-aix*)
420                 MKAFS_OSTYPE=AIX
421                 AC_MSG_RESULT(rs_aix)
422                 ;;
423         arm-*-darwin*)
424                 MKAFS_OSTYPE=DARWIN
425                 AC_MSG_RESULT(arm_darwin)
426                 ;;
427         powerpc-*-darwin*)
428                 MKAFS_OSTYPE=DARWIN
429                 AC_MSG_RESULT(ppc_darwin)
430                 ;;
431         i386-*-darwin*)
432                 MKAFS_OSTYPE=DARWIN
433                 AC_MSG_RESULT(x86_darwin)
434                 ;;
435         x86_64-*-darwin*)
436                 MKAFS_OSTYPE=DARWIN
437                 AC_MSG_RESULT(x86_darwin)
438                 ;;
439         i386-*-freebsd*)
440                 MKAFS_OSTYPE=FBSD
441                 AC_MSG_RESULT(i386_fbsd)
442                 ;;
443         x86_64-*-freebsd*)
444                 MKAFS_OSTYPE=FBSD
445                 AC_MSG_RESULT(amd64_fbsd)
446                 ;;
447         *-netbsd*)
448                 MKAFS_OSTYPE=NBSD
449                 AC_MSG_RESULT(nbsd)
450                 ;;
451         x86_64-*-openbsd*)
452                 MKAFS_OSTYPE=OBSD
453                 AC_MSG_RESULT(amd64_obsd)
454                 ;;
455         i386-*-openbsd*)
456                 MKAFS_OSTYPE=OBSD
457                 AC_MSG_RESULT(i386_obsd)
458                 ;;
459         *-dragonfly*)
460                 MKAFS_OSTYPE=DFBSD
461                 AC_MSG_RESULT(i386_dfbsd)
462                 ;;
463         *)
464                 AC_MSG_RESULT($system)
465                 ;;
466 esac
467
468 if test "x$with_afs_sysname" != "x"; then
469         AFS_SYSNAME="$with_afs_sysname"
470 else
471         AC_MSG_CHECKING(your AFS sysname)
472         case $host in
473                 i?86-*-openbsd?.?)
474                         v=${host#*openbsd}
475                         vM=${v%.*}
476                         vm=${v#*.}
477                         AFS_SYSNAME="i386_obsd${vM}${vm}"
478                         ;;
479                 sparc64-*-openbsd?.?)
480                         v=${host#*openbsd}
481                         vM=${v%.*}
482                         vm=${v#*.}
483                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
484                         ;;
485                 x86_64-*-openbsd?.?)
486                         v=${host#*openbsd}
487                         vM=${v%.*}
488                         vm=${v#*.}
489                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
490                         ;;
491                 i?86-*-freebsd*.*)
492                         v=${host#*freebsd}
493                         vM=${v%.*}
494                         vm=${v#*.}
495                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
496                         ;;
497                 x86_64-*-freebsd*.*)
498                         v=${host#*freebsd}
499                         vM=${v%.*}
500                         vm=${v#*.}
501                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
502                         ;;
503                 i386-*-dragonfly?.*)
504                         v=${host#*dragonfly}
505                         vM=${v%.*}
506                         vm=${v#*.}
507                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
508                         ;;
509                 i?86-*-netbsd*1.6[[M-Z]]*)
510                         AFS_SYSNAME="i386_nbsd20"
511                         ;;
512                 powerpc-*-netbsd*1.6[[M-Z]]*)
513                         AFS_SYSNAME="ppc_nbsd20"
514                         ;;
515                 *-*-netbsd*)
516                         arch=${host%%-unknown*}
517                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
518                                                -e 's/powerpc/ppc/g')
519                         v=${host#*netbsd}
520                         v=${v#*aout}
521                         v=${v#*ecoff}
522                         v=${v#*elf}
523                         vM=${v%%.*}
524                         vM=${vM%.*}
525                         v=${v#*.}
526                         vm=${v%%.*}
527                         vm=${vm%.*}
528                         vm=${vm%%[[_A-Z]]*}
529                         if test $vm -eq 99 ; then
530                                 vM=$((vM+1))
531                         fi
532                         if test $vM -gt 1 ; then
533                                 vm=0
534                         fi
535                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
536                         ;;
537                 hppa*-hp-hpux11.0*)
538                         AFS_SYSNAME="hp_ux110"
539                         ;;
540                 hppa*-hp-hpux11.11)
541                         AFS_SYSNAME="hp_ux11i"
542                         ;;
543                 hppa*-hp-hpux11.23)
544                         AFS_SYSNAME="hp_ux1123"
545                         ;;
546                 ia64-hp-hpux11.22)
547                         AFS_SYSNAME="ia64_hpux1122"
548                         ;;
549                 ia64-hp-hpux*)
550                         AFS_SYSNAME="ia64_hpux1123"
551                         ;;
552                 hppa*-hp-hpux10*)
553                         AFS_SYSNAME="hp_ux102"
554                         ;;
555                 powerpc-apple-darwin7*)
556                         AFS_SYSNAME="ppc_darwin_70"
557                         OSXSDK="macosx10.3"
558                         ;;
559                 powerpc-apple-darwin8.*)
560                         AFS_SYSNAME="ppc_darwin_80"
561                         OSXSDK="macosx10.4"
562                         ;;
563                 i386-apple-darwin8.*)
564                         AFS_SYSNAME="x86_darwin_80"
565                         OSXSDK="macosx10.4"
566                         ;;
567                 powerpc-apple-darwin9.*)
568                         AFS_SYSNAME="ppc_darwin_90"
569                         OSXSDK="macosx10.5"
570                         ;;
571                 i386-apple-darwin9.*)
572                         AFS_SYSNAME="x86_darwin_90"
573                         OSXSDK="macosx10.5"
574                         ;;
575                 i?86-apple-darwin10.*)
576                         AFS_SYSNAME="x86_darwin_100"
577                         OSXSDK="macosx10.6"
578                         ;;
579                 x86_64-apple-darwin10.*)
580                         AFS_SYSNAME="x86_darwin_100"
581                         OSXSDK="macosx10.6"
582                         ;;
583                 arm-apple-darwin10.*)
584                         AFS_SYSNAME="arm_darwin_100"
585                         OSXSDK="iphoneos4.0"
586                         ;;
587                 x86_64-apple-darwin11.*)
588                         AFS_SYSNAME="x86_darwin_110"
589                         OSXSDK="macosx10.7"
590                         ;;
591                 i?86-apple-darwin11.*)
592                         AFS_SYSNAME="x86_darwin_110"
593                         OSXSDK="macosx10.7"
594                         ;;
595                 x86_64-apple-darwin12.*)
596                         AFS_SYSNAME="x86_darwin_120"
597                         OSXSDK="macosx10.8"
598                         ;;
599                 i?86-apple-darwin12.*)
600                         AFS_SYSNAME="x86_darwin_120"
601                         OSXSDK="macosx10.8"
602                         ;;
603                 sparc-sun-solaris2.8)
604                         AFS_SYSNAME="sun4x_58"
605                         ;;
606                 sparc-sun-solaris2.9)
607                         AFS_SYSNAME="sun4x_59"
608                         ;;
609                 sparc-sun-solaris2.10)
610                         AFS_SYSNAME="sun4x_510"
611                         ;;
612                 sparc-sun-solaris2.11)
613                         AFS_SYSNAME="sun4x_511"
614                         ;;
615                 i386-pc-solaris2.8)
616                         AFS_SYSNAME="sunx86_58"
617                         ;;
618                 i386-pc-solaris2.9)
619                         AFS_SYSNAME="sunx86_59"
620                         ;;
621                 i386-pc-solaris2.10)
622                         AFS_SYSNAME="sunx86_510"
623                         ;;
624                 i386-pc-solaris2.11)
625                         AFS_SYSNAME="sunx86_511"
626                         ;;
627                 alpha*-dec-osf4.0*)
628                         AFS_SYSNAME="alpha_dux40"
629                         ;;
630                 alpha*-dec-osf5.0*)
631                         AFS_SYSNAME="alpha_dux50"
632                         ;;
633                 alpha*-dec-osf5.1*)
634                         AFS_SYSNAME="alpha_dux51"
635                         ;;
636                 mips-sgi-irix6.5)
637                         AFS_SYSNAME="sgi_65"
638                         ;;
639                 ia64-*-linux*)
640                         AFS_SYSNAME="ia64_linuxXX"
641                         ;;
642                 powerpc-*-linux*)
643                         AFS_SYSNAME="`/bin/arch`_linuxXX"
644                         ;;
645                 powerpc64-*-linux*)
646                         AFS_SYSNAME="ppc64_linuxXX"
647                         ;;
648                 alpha*-linux*)
649                         AFS_SYSNAME="alpha_linux_XX"
650                         ;;
651                 s390-*-linux*)
652                         AFS_SYSNAME="s390_linuxXX"
653                         ;;
654                 s390x-*-linux*)
655                         AFS_SYSNAME="s390x_linuxXX"
656                         ;;
657                 sparc-*-linux*)
658                         AFS_SYSNAME="`/bin/arch`_linuxXX"
659                         ;;
660                 sparc64-*-linux*)
661                         AFS_SYSNAME="sparc64_linuxXX"
662                         ;;
663                 i?86-*-linux*)
664                         AFS_SYSNAME="i386_linuxXX"
665                         ;;
666                 arm*-linux*)
667                         AFS_SYSNAME="arm_linuxXX"
668                         ;;
669                 parisc-*-linux-gnu|hppa-*-linux-gnu)
670                         AFS_SYSNAME="parisc_linuxXX"
671                         enable_pam="no"
672                         ;;
673                 power*-ibm-aix4.2*)
674                         AFS_SYSNAME="rs_aix42"
675                         enable_pam="no"
676                         ;;
677                 power*-ibm-aix4.3*)
678                         AFS_SYSNAME="rs_aix42"
679                         enable_pam="no"
680                         ;;
681                 power*-ibm-aix5.1*)
682                         AFS_SYSNAME="rs_aix51"
683                         enable_pam="no"
684                         ;;
685                 power*-ibm-aix5.2*)
686                         AFS_SYSNAME="rs_aix52"
687                         enable_pam="no"
688                         ;;
689                 power*-ibm-aix5.3*)
690                         AFS_SYSNAME="rs_aix53"
691                         enable_pam="no"
692                         ;;
693                 power*-ibm-aix6.1*)
694                         AFS_SYSNAME="rs_aix61"
695                         enable_pam="no"
696                         ;;
697                 x86_64-*-linux-gnu)
698                         AFS_SYSNAME="amd64_linuxXX"
699                         enable_pam="yes"
700                         ;;
701                 *)
702                         AC_MSG_ERROR(An AFS sysname is required)
703                         exit 1
704                         ;;
705         esac
706         case $AFS_SYSNAME in
707                 *_linux* | *_umlinux*)
708                         if test "x${AFS_SYSKVERS}" = "x"; then
709                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
710                         fi
711                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
712                         AFS_SYSNAME="$_AFS_SYSNAME"
713                         AC_TRY_KBUILD(
714                          [],
715                          [#ifndef CONFIG_USERMODE
716                           #error not UML
717                           #endif],
718                          ac_cv_linux_is_uml=yes,)
719                         if test "${ac_cv_linux_is_uml}" = yes; then
720                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
721                         fi
722                         AFS_SYSNAME="$_AFS_SYSNAME"
723                         ;;
724         esac
725         AC_MSG_RESULT($AFS_SYSNAME)
726 fi
727
728 case $AFS_SYSNAME in
729         *_darwin*)
730                 AC_CHECK_HEADERS(crt_externs.h)
731                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
732                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
733                 AC_SUBST(OSXSDK)
734                 ;;
735 esac
736
737 dnl Some hosts have a separate common param file they should include.  Figure
738 dnl out if we're on one of them now that we know the sysname.
739 case $AFS_SYSNAME in
740     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
741     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
742     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
743     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
744     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
745     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
746     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
747     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
748     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
749     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
750     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
751     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
752     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
753     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
754     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
755     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
756     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
757     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
758     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
759     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
760     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
761     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
762     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
763     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
764     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
765     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
766     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
767     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
768     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
769 # Linux alpha adds an extra underscore for no good reason.
770     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
771     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
772     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
773 esac
774
775 OPENAFS_OSCONF
776
777 case $AFS_SYSNAME in *_linux* | *_umlinux*)
778
779                 # Add (sub-) architecture-specific paths needed by conftests
780                 case $AFS_SYSNAME  in
781                         *_umlinux26)
782                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
783                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
784                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
785                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
786                 esac
787
788                 if test "x$enable_kernel_module" = "xyes"; then
789                  if test "x$enable_debug_kernel" = "xno"; then
790                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
791                  fi
792                  OPENAFS_GCC_SUPPORTS_MARCH
793                  AC_SUBST(P5PLUS_KOPTS)
794                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
795                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
796                  OPENAFS_GCC_SUPPORTS_NO_COMMON
797                  OPENAFS_GCC_SUPPORTS_PIPE
798                  AC_SUBST(LINUX_GCC_KOPTS)
799
800                  dnl Setup the kernel build environment
801                  LINUX_KBUILD_USES_EXTRA_CFLAGS
802                  LINUX_KERNEL_COMPILE_WORKS
803
804                  dnl Check for header files
805                  AC_CHECK_LINUX_HEADER([config.h])
806                  AC_CHECK_LINUX_HEADER([completion.h])
807                  AC_CHECK_LINUX_HEADER([exportfs.h])
808                  AC_CHECK_LINUX_HEADER([freezer.h])
809                  AC_CHECK_LINUX_HEADER([key-type.h])
810                  AC_CHECK_LINUX_HEADER([semaphore.h])
811                  AC_CHECK_LINUX_HEADER([seq_file.h])
812
813                  dnl Type existence checks
814                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
815
816                  dnl Check for structure elements
817                  AC_CHECK_LINUX_STRUCT([address_space_operations],
818                                        [write_begin], [fs.h])
819                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
820                                        [backing-dev.h])
821                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
822                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
823                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
824                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
825                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
826                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
827                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
828                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
829                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
830                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
831                  AC_CHECK_LINUX_STRUCT([filename], [name], [fs.h])
832                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
833                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
834                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
835                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
836                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
837                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
838                                        [fs.h])
839                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
840                                        [fs.h])
841                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
842                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
843                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
844                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
845                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
846                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
847                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
848                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
849                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
850                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
851                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
852
853                  dnl Check for typed structure elements
854                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
855                                              [buf], [fs.h])
856
857                  dnl Function existence checks
858
859                  AC_CHECK_LINUX_FUNC([bdi_init],
860                                      [#include <linux/backing-dev.h>],
861                                      [bdi_init(NULL);])
862                  AC_CHECK_LINUX_FUNC([PageChecked],
863                                      [#include <linux/mm.h>
864 #include <linux/page-flags.h>],
865                                      [struct page *_page;
866                                       int bchecked = PageChecked(_page);])
867                  AC_CHECK_LINUX_FUNC([PageFsMisc],
868                                      [#include <linux/mm.h>
869 #include <linux/page-flags.h>],
870                                      [struct page *_page;
871                                       int bchecked = PageFsMisc(_page);])
872                  AC_CHECK_LINUX_FUNC([clear_inode],
873                                      [#include <linux/fs.h>],
874                                      [clear_inode(NULL);])
875                  AC_CHECK_LINUX_FUNC([current_kernel_time],
876                                      [#include <linux/time.h>],
877                                      [struct timespec s;
878                                       s = current_kernel_time();])
879                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
880                                      [#include <linux/fs.h>],
881                                      [d_alloc_anon(NULL);])
882                  AC_CHECK_LINUX_FUNC([d_make_root],
883                                      [#include <linux/fs.h>],
884                                      [d_make_root(NULL);])
885                  AC_CHECK_LINUX_FUNC([do_sync_read],
886                                      [#include <linux/fs.h>],
887                                      [do_sync_read(NULL, NULL, 0, NULL);])
888                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
889                                      [#include <linux/sched.h>],
890                                      [pid_t p; find_task_by_pid(p);])
891                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
892                                      [#include <linux/fs.h>],
893                                      [generic_file_aio_read(NULL,NULL,0,0);])
894                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
895                                      [#include <linux/pagemap.h>],
896                                      [grab_cache_page_write_begin(NULL, 0, 0);])
897                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
898                                      [#include <linux/list.h>],
899                                      [hlist_unhashed(0);])
900                  AC_CHECK_LINUX_FUNC([i_size_read],
901                                      [#include <linux/fs.h>],
902                                      [i_size_read(NULL);])
903                  AC_CHECK_LINUX_FUNC([inode_setattr],
904                                      [#include <linux/fs.h>],
905                                      [inode_setattr(NULL, NULL);])
906                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
907                                      [#include <linux/net.h>],
908                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
909                  AC_CHECK_LINUX_FUNC([page_follow_link],
910                                      [#include <linux/fs.h>],
911                                      [page_follow_link(0,0);])
912                  AC_CHECK_LINUX_FUNC([page_offset],
913                                      [#include <linux/pagemap.h>],
914                                      [page_offset(NULL);])
915                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
916                                      [#include <linux/pagevec.h>],
917                                      [__pagevec_lru_add_file(NULL);])
918                  AC_CHECK_LINUX_FUNC([path_lookup],
919                                      [#include <linux/fs.h>
920                                       #include <linux/namei.h>],
921                                      [path_lookup(NULL, 0, NULL);])
922                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
923                                      [#include <linux/rcupdate.h>],
924                                      [rcu_read_lock();])
925                  AC_CHECK_LINUX_FUNC([set_nlink],
926                                      [#include <linux/fs.h>],
927                                      [set_nlink(NULL, 1);])
928                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
929                                      [#include <linux/splice.h>],
930                                      [splice_direct_to_actor(NULL,NULL,NULL);])
931                  AC_CHECK_LINUX_FUNC([svc_addr_in],
932                                      [#include <linux/sunrpc/svc.h>],
933                                      [svc_addr_in(NULL);])
934                  AC_CHECK_LINUX_FUNC([zero_user_segments],
935                                      [#include <linux/highmem.h>],
936                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
937                  AC_CHECK_LINUX_FUNC([noop_fsync],
938                                      [#include <linux/fs.h>],
939                                      [void *address = &noop_fsync; printk("%p\n", address)];)
940                  AC_CHECK_LINUX_FUNC([kthread_run],
941                                      [#include <linux/kernel.h>
942                                       #include <linux/kthread.h>],
943                                      [kthread_run(NULL, NULL, "test");])
944
945                  dnl Consequences - things which get set as a result of the
946                  dnl                above tests
947                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
948                        [AC_DEFINE([AFS_NONFSTRANS], 1,
949                                   [define to disable the nfs translator])])
950
951                  dnl Assorted more complex tests
952                  LINUX_AIO_NONVECTOR
953                  LINUX_EXPORTS_PROC_ROOT_FS
954                  LINUX_KMEM_CACHE_INIT
955                  LINUX_HAVE_KMEM_CACHE_T
956                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
957                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
958                  LINUX_D_PATH_TAKES_STRUCT_PATH
959                  LINUX_NEW_EXPORT_OPS
960                  LINUX_INODE_SETATTR_RETURN_TYPE
961                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
962                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
963                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
964                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
965                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
966                  LINUX_DOP_D_DELETE_TAKES_CONST
967                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
968                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
969                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
970                  LINUX_FOP_F_FSYNC_TAKES_RANGE
971                  LINUX_AOP_WRITEBACK_CONTROL
972                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
973                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
974                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
975                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
976                  LINUX_KERNEL_SOCK_CREATE
977                  LINUX_EXPORTS_KEY_TYPE_KEYRING
978                  LINUX_NEED_RHCONFIG
979                  LINUX_RECALC_SIGPENDING_ARG_TYPE
980                  LINUX_EXPORTS_TASKLIST_LOCK
981                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
982                  LINUX_STATFS_TAKES_DENTRY
983                  LINUX_REFRIGERATOR
984                  LINUX_HAVE_TRY_TO_FREEZE
985                  LINUX_LINUX_KEYRING_SUPPORT
986                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
987                  LINUX_KEY_ALLOC_NEEDS_CRED
988                  LINUX_INIT_WORK_HAS_DATA
989                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
990                  LINUX_HAVE_DCACHE_LOCK
991                  LINUX_D_COUNT_IS_INT
992                  LINUX_IOP_MKDIR_TAKES_UMODE_T
993                  LINUX_IOP_CREATE_TAKES_UMODE_T
994                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
995                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
996                  LINUX_DENTRY_OPEN_TAKES_PATH
997                  LINUX_D_ALIAS_IS_HLIST
998                  LINUX_IOP_I_CREATE_TAKES_BOOL
999                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1000                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1001
1002                  dnl If we are guaranteed that keyrings will work - that is
1003                  dnl  a) The kernel has keyrings enabled
1004                  dnl  b) The code is new enough to give us a key_type_keyring
1005                  dnl then we just disable syscall probing unless we've been
1006                  dnl told otherwise
1007
1008                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1009                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1010                           [enable_linux_syscall_probing="no"],
1011                           [enable_linux_syscall_probing="yes"])
1012                  ])
1013
1014                  dnl Syscall probing needs a few tests of its own, and just
1015                  dnl won't work if the kernel doesn't export init_mm
1016                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1017                    LINUX_EXPORTS_INIT_MM
1018                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1019                      AC_MSG_ERROR(
1020                        [Can't do syscall probing without exported init_mm])
1021                    ])
1022                    LINUX_EXPORTS_SYS_CHDIR
1023                    LINUX_EXPORTS_SYS_OPEN
1024                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1025                              [define to enable syscall table probes])
1026                  ])
1027
1028                  dnl Packaging and SMP build
1029                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1030                    LINUX_WHICH_MODULES
1031                  else
1032                    AC_SUBST(MPS,'SP')
1033                  fi
1034
1035                  dnl Syscall probing
1036                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1037                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1038                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1039                    ])
1040                    ac_cv_linux_exports_sys_call_table=no
1041                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1042                      ac_cv_linux_exports_ia32_sys_call_table=yes
1043                    fi
1044                  else
1045                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1046                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1047                    LINUX_EXPORTS_SYS_CALL_TABLE
1048                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1049                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1050                          linux_syscall_method=none
1051                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1052                             linux_syscall_method=scan
1053                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1054                                linux_syscall_method=scan_with_kallsyms_address
1055                             fi
1056                          fi
1057                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1058                             linux_syscall_method=kallsyms_symbol
1059                          fi
1060                          if test "x$linux_syscall_method" = "xnone"; then
1061                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1062                             linux_syscall_method=scan
1063                          fi
1064                    fi
1065                  fi
1066                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1067                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1068                  fi
1069                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1070                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1071                  fi
1072                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1073                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1074                  else
1075                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1076                  fi
1077                 :
1078                 fi
1079 dnl Linux-only, but just enable always.
1080                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1081 esac
1082
1083 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1084     [ac_cv_sync_fetch_and_add],
1085     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1086                     [ac_cv_sync_fetch_and_add=yes],
1087                     [ac_cv_sync_fetch_and_add=no])
1088 ])
1089 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1090       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1091                 [define if your C compiler has __sync_add_and_fetch])])
1092
1093 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1094     [ac_cv_sockaddr_len],
1095     [AC_TRY_COMPILE( [#include <sys/types.h>
1096 #include <sys/socket.h>],
1097                      [struct sockaddr *a; a->sa_len=0;],
1098                      [ac_cv_sockaddr_len=yes],
1099                      [ac_cv_sockaddr_len=no])
1100 ])
1101 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1102       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1103                  [define if you struct sockaddr sa_len])])
1104
1105 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1106         echo Skipping library tests because they confuse Irix.
1107 else
1108   AC_SEARCH_LIBS([socket], [socket inet])
1109   AC_SEARCH_LIBS([connect], [nsl])
1110   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1111
1112   dnl darwin wants it, aix hates it
1113   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1114   AC_TRY_COMPILE([
1115   #include <stdlib.h>
1116   #include <stdio.h>
1117   #include <sys/types.h>
1118   #include <sys/socket.h>
1119   #include <netinet/in.h>
1120   #include <arpa/inet.h>
1121   #include <arpa/nameser.h>
1122   #include <arpa/nameser_compat.h>
1123   #include <resolv.h>
1124   ], [static int i; i = 0;],
1125   [AC_MSG_RESULT(yes)
1126    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1127   [AC_MSG_RESULT(no)
1128    ])
1129
1130   openafs_save_libs="$LIBS"
1131   AC_MSG_CHECKING([for res_search])
1132   AC_FUNC_RES_SEARCH
1133
1134   if test "$ac_cv_func_res_search" = no; then
1135       for lib in dns nsl resolv; do
1136         if test "$ac_cv_func_res_search" != yes; then
1137           LIBS="-l$lib $LIBS"
1138           AC_FUNC_RES_SEARCH
1139           LIBS="$openafs_save_libs"
1140         fi
1141       done    
1142       if test "$ac_cv_func_res_search" = yes; then
1143         LIB_AFSDB="-l$lib"
1144         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1145         AC_MSG_RESULT([yes, in lib$lib])
1146       else
1147         AC_MSG_RESULT(no)
1148       fi
1149   else
1150     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1151     AC_MSG_RESULT(yes)
1152   fi
1153   
1154 fi
1155 XLIBS="$LIB_AFSDB $XLIBS"
1156
1157 AC_CHECK_RESOLV_RETRANS
1158
1159 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1160     [ac_cv_setsockopt_iprecverr],
1161     [AC_TRY_COMPILE( [
1162 #include <sys/types.h>
1163 #include <sys/socket.h>
1164 #include <netinet/in.h>],
1165 [int on=1;
1166 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1167         [ac_cv_setsockopt_iprecverr=yes],
1168         [ac_cv_setsockopt_iprecverr=no])])
1169
1170 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1171       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1172                  [define if we can receive socket errors via IP_RECVERR])])
1173
1174 PTHREAD_LIBS=error
1175 if test "x$MKAFS_OSTYPE" = OBSD; then
1176         PTHREAD_LIBS="-pthread"
1177 fi
1178 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1179         PTHREAD_LIBS="-pthread"
1180 fi
1181 if test "x$PTHREAD_LIBS" = xerror; then
1182         AC_CHECK_LIB(pthread, pthread_attr_init,
1183                 PTHREAD_LIBS="-lpthread")
1184 fi
1185 if test "x$PTHREAD_LIBS" = xerror; then
1186         AC_CHECK_LIB(pthreads, pthread_attr_init,
1187                 PTHREAD_LIBS="-lpthreads")
1188 fi
1189 if test "x$PTHREAD_LIBS" = xerror; then
1190         AC_CHECK_LIB(c_r, pthread_attr_init,
1191                 PTHREAD_LIBS="-lc_r")
1192 fi
1193 if test "x$PTHREAD_LIBS" = xerror; then
1194         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1195 fi
1196 if test "x$PTHREAD_LIBS" = xerror; then
1197         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1198         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1199                 PTHREAD_LIBS="-lpthread")
1200 fi
1201 if test "x$PTHREAD_LIBS" = xerror; then
1202         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1203 fi
1204 AC_SUBST(PTHREAD_LIBS)
1205
1206 HOST_CPU="$host_cpu"
1207
1208 if test "x$with_bsd_kernel_headers" != "x"; then
1209         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1210 else
1211         BSD_KERNEL_PATH="/usr/src/sys"
1212 fi
1213
1214 if test "x$with_bsd_kernel_build" != "x"; then
1215         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1216 else
1217         case $AFS_SYSNAME in
1218                 *_fbsd_*)
1219                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1220                         ;;
1221                 *_nbsd*)
1222                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1223         esac
1224 fi
1225
1226 # Fast restart
1227 if test "$enable_supergroups" = "yes"; then
1228         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1229 fi
1230
1231 if test "$enable_bitmap_later" = "yes"; then
1232         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1233 fi
1234
1235 if test "$enable_unix_sockets" = "yes"; then
1236         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1237         USE_UNIX_SOCKETS="yes"
1238 else
1239         USE_UNIX_SOCKETS="no"
1240 fi
1241 AC_SUBST(USE_UNIX_SOCKETS)
1242
1243 if test "$enable_namei_fileserver" = "yes"; then
1244         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1245         VFSCK=""
1246 else
1247         if test "$enable_namei_fileserver" = "default"; then
1248                 case $host in
1249                         *-solaris2.10*)
1250                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1251                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1252                                 VFSCK=""
1253                                 ;;
1254                         *-solaris2.11*)
1255                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1256                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1257                                 VFSCK=""
1258                                 ;;
1259                         *)
1260                                 VFSCK="vfsck"
1261                                 ;;
1262                 esac
1263         else
1264                 VFSCK="vfsck"
1265         fi
1266 fi
1267
1268 dnl check for tivoli
1269 AC_MSG_CHECKING(for tivoli tsm butc support)
1270 XBSA_CFLAGS=""
1271 if test "$enable_tivoli_tsm" = "yes"; then
1272         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1273         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1274         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1275         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1276
1277         if test -r "$XBSADIR3/dsmapifp.h"; then
1278                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1279                 XBSA_XLIBS="-ldl"
1280                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1281         elif test -r "$XBSADIR4/dsmapifp.h"; then
1282                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1283                 XBSA_XLIBS="-ldl"
1284                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1285         elif test -r "$XBSADIR1/xbsa.h"; then
1286                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1287                 XBSA_XLIBS=""
1288                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1289         elif test -r "$XBSADIR2/xbsa.h"; then
1290                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1291                 XBSA_XLIBS=""
1292                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1293         else
1294                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1295         fi
1296 else
1297         AC_MSG_RESULT([no])
1298 fi
1299 AC_SUBST(XBSA_CFLAGS)
1300 AC_SUBST(XBSA_XLIBS) 
1301
1302 dnl checks for header files.
1303 AC_HEADER_STDC
1304 AC_HEADER_SYS_WAIT
1305 AC_HEADER_DIRENT
1306 AC_CHECK_HEADERS([ \
1307                    arpa/inet.h \
1308                    arpa/nameser.h \
1309                    curses.h\
1310                    direct.h \
1311                    et/com_err.h \
1312                    errno.h \
1313                    fcntl.h \
1314                    grp.h \
1315                    math.h \
1316                    mntent.h \
1317                    ncurses.h \
1318                    netdb.h \
1319                    netinet/in.h \
1320                    pthread_np.h \
1321                    pwd.h \
1322                    regex.h \
1323                    security/pam_appl.h \
1324                    signal.h \
1325                    stdint.h \
1326                    stdio_ext.h \
1327                    stdlib.h \
1328                    string.h \
1329                    strings.h \
1330                    sys/bitypes.h \
1331                    sys/bswap.h \
1332                    sys/dk.h \
1333                    sys/fcntl.h \
1334                    sys/file.h \
1335                    sys/fs_types.h \
1336                    sys/fstyp.h \
1337                    sys/ioctl.h \
1338                    sys/ipc.h \
1339                    sys/lockf.h \
1340                    sys/map.h \
1341                    sys/mount.h \
1342                    sys/mntent.h \
1343                    sys/mnttab.h \
1344                    sys/pag.h \
1345                    sys/param.h \
1346                    sys/resource.h \
1347                    sys/select.h \
1348                    sys/statfs.h \
1349                    sys/statvfs.h \
1350                    sys/socket.h \
1351                    sys/sysctl.h \
1352                    sys/time.h \
1353                    sys/types.h \
1354                    sys/uio.h \
1355                    sys/un.h \
1356                    sys/vfs.h \
1357                    syslog.h \
1358                    termios.h \
1359                    time.h \
1360                    ucontext.h \
1361                    unistd.h \
1362                    windows.h \
1363                 ])
1364
1365 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1366 #ifdef HAVE_NETINET_IN_H
1367 # include <netinet/in.h>
1368 #endif])
1369
1370 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1371 #ifdef HAVE_SYS_SOCKET_H
1372 # include <sys/socket.h>
1373 #endif])
1374
1375 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1376 #ifdef HAVE_SYS_SOCKET_H
1377 # include <sys/socket.h>
1378 #endif
1379 #ifdef HAVE_NETINET_IN_H
1380 # include <netinet/in.h>
1381 #endif
1382 #ifdef HAVE_NET_IF_H
1383 # include <net/if.h>
1384 #endif])
1385
1386 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1387 #ifdef HAVE_SECURITY_PAM_APPL_H
1388 # include <security/pam_appl.h>
1389 #endif])
1390
1391 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1392
1393 AC_CHECK_TYPES([fsblkcnt_t],,,[
1394 #include <sys/types.h>
1395 #ifdef HAVE_SYS_BITYPES_H
1396 #include <sys/bitypes.h>
1397 #endif
1398 #ifdef HAVE_SYS_STATFS_H
1399 #include <sys/statfs.h>
1400 #endif
1401 #ifdef HAVE_SYS_STATVFS_H
1402 #include <sys/statvfs.h>
1403 #endif
1404 ])
1405
1406 dnl see what struct stat has for timestamps
1407 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1408
1409 dnl check for curses-lib
1410 AS_IF([test "x$enable_gtx" != "xno"],
1411       [save_LIBS=$LIBS
1412       AC_CHECK_LIB( [ncurses], [setupterm],
1413       [LIB_curses=-lncurses],
1414         [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1415           [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
1416       ])
1417       LIBS=$save_LIBS
1418       AC_SUBST(LIB_curses)])
1419         
1420 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1421
1422 if test "$enable_debug_locks" = yes; then
1423         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1424 fi
1425
1426 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1427 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1428         case $AFS_SYSNAME in
1429         sgi_*)
1430                 HAVE_PAM="no"
1431                 ;;
1432         *)
1433                 HAVE_PAM="yes"
1434                 ;;
1435         esac
1436 else
1437         HAVE_PAM="no"
1438 fi
1439 AC_SUBST(HAVE_PAM)
1440
1441 if test "$enable_login" = yes; then
1442         BUILD_LOGIN="yes"
1443 else
1444         BUILD_LOGIN="no"
1445 fi
1446 AC_SUBST(BUILD_LOGIN)
1447
1448 if test "$enable_uss" = yes; then
1449         BUILD_USS="yes"
1450 else
1451         BUILD_USS="no"
1452 fi
1453 AC_SUBST(BUILD_USS)
1454
1455 AC_CHECK_FUNCS([ \
1456         arc4random \
1457         fcntl \
1458         fseeko64 \
1459         ftello64 \
1460         getcwd \
1461         getegid \
1462         geteuid \
1463         getgid \
1464         getuid \
1465         getrlimit \
1466         issetugid \
1467         mkstemp \
1468         poll \
1469         pread \
1470         preadv \
1471         preadv64 \
1472         pwrite \
1473         pwritev \
1474         pwritev64 \
1475         regcomp \
1476         regerror \
1477         regexec \
1478         setitimer \
1479         setvbuf \
1480         sigaction \
1481         strcasestr \
1482         strerror \
1483         sysconf \
1484         sysctl \
1485         tdestroy \
1486         timegm \
1487 ])
1488
1489 OPENAFS_ROKEN()
1490 OPENAFS_C_ATTRIBUTE()
1491
1492 dnl Functions that Heimdal's libroken provides, but that we
1493 dnl haven't found a need for yet, and so haven't imported
1494 AC_CHECK_FUNCS([ \
1495         chown \
1496         fchown \
1497         gethostname \
1498         lstat \
1499         inet_aton \
1500         inet_ntop \
1501         inet_pton \
1502         putenv \
1503         readv \
1504         setenv \
1505         strdup \
1506         strftime \
1507         strndup \
1508         strsep \
1509         unsetenv \
1510 ])
1511
1512 dnl Functions that are in objects that we always build from libroken
1513 AC_CHECK_FUNCS([ \
1514         asprintf \
1515         asnprintf \
1516         vasprintf \
1517         vasnprintf \
1518         vsnprintf \
1519         snprintf \
1520 ])
1521
1522 dnl Functions that we're going to try and get from libroken
1523 AC_REPLACE_FUNCS([ \
1524         daemon \
1525         ecalloc \
1526         emalloc \
1527         erealloc \
1528         err \
1529         errx \
1530         flock \
1531         getdtablesize \
1532         getopt \
1533         getprogname \
1534         gettimeofday \
1535         localtime_r \
1536         mkstemp \
1537         setenv \
1538         setprogname \
1539         strcasecmp \
1540         strlcat \
1541         strnlen \
1542         strlcpy \
1543         strsep \
1544         tdelete \
1545         tfind \
1546         tsearch \
1547         twalk \
1548         unsetenv \
1549         verr \
1550         verrx \
1551         vsyslog \
1552         vwarn \
1553         vwarnx \
1554         warn \
1555         warnx \
1556 ])
1557
1558 dnl Headers that we're going to try and get from libroken
1559 AC_CHECK_HEADERS([ \
1560         err.h \
1561         search.h \
1562 ])
1563
1564 AC_CHECK_DECLS([h_errno], [], [], [
1565 #include <sys/types.h>
1566 #ifdef HAVE_NETDB_H
1567 #include <netdb.h>
1568 #endif
1569 ])
1570
1571 AC_HEADER_TIME
1572
1573 ROKEN_HEADERS=
1574 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1575       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1576       [])
1577 AC_SUBST(ROKEN_HEADERS)
1578
1579 dnl Stuff that's harder ...
1580 AC_MSG_CHECKING([for bswap16])
1581 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1582 #ifdef HAVE_SYS_TYPES_H
1583 #include <sys/types.h>
1584 #endif
1585 #ifdef HAVE_SYS_BSWAP_H
1586 #include <sys/bswap.h>
1587 #endif
1588 ],
1589 [short a, b; b = bswap16(a); ])],
1590 [AC_MSG_RESULT(yes)
1591  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1592 ],
1593 [AC_MSG_RESULT(no)])
1594
1595 AC_MSG_CHECKING([for bswap32])
1596 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1597 #include <sys/types.h>
1598 #endif
1599 #ifdef HAVE_SYS_BSWAP_H
1600 #include <sys/bswap.h>
1601 #endif
1602 ],
1603 [int a, b; b = bswap32(a); ])],
1604 [AC_MSG_RESULT(yes)
1605  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1606 ],
1607 [AC_MSG_RESULT(no)])
1608
1609 case $AFS_SYSNAME in
1610 *hp_ux* | *hpux*)
1611    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1612    ;;
1613 *)
1614    AC_MSG_CHECKING([for positional I/O])
1615    if test "$ac_cv_func_pread" = "yes" && \
1616            test "$ac_cv_func_pwrite" = "yes"; then
1617       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1618       AC_MSG_RESULT(yes)
1619    else
1620      AC_MSG_RESULT(no)
1621    fi
1622    AC_MSG_CHECKING([for vectored positional I/O])
1623    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1624                "$ac_cv_func_pwritev" = "yes" -a \
1625                "$ac_cv_func_preadv64" = "yes" -a \
1626                "$ac_cv_func_pwritev64" = "yes"],
1627          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1628           AC_MSG_RESULT(yes)],
1629          [AC_MSG_RESULT(no)])
1630    ;;
1631 esac
1632
1633 AC_MSG_CHECKING([for POSIX regex library])
1634 if test "$ac_cv_header_regex_h" = "yes" && \
1635         test "$ac_cv_func_regcomp" = "yes" && \
1636         test "$ac_cv_func_regexec" = "yes" && \
1637         test "$ac_cv_func_regerror" = "yes"; then
1638     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1639     AC_MSG_RESULT(yes)
1640 else
1641     AC_MSG_RESULT(no)
1642 fi
1643
1644 dnl Look for "non-portable" pthreads functions.
1645 save_LIBS="$LIBS"
1646 LIBS="$LIBS $PTHREAD_LIBS"
1647 AC_CHECK_FUNCS([ \
1648         pthread_set_name_np \
1649         pthread_setname_np \
1650 ])
1651
1652 dnl Sadly, there are three different versions of pthread_setname_np.
1653 dnl Try to cater for all of them.
1654 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1655     AC_MSG_CHECKING([for signature of pthread_setname_np])
1656     AC_TRY_COMPILE([
1657 #include <pthread.h>
1658 #ifdef HAVE_PTHREAD_NP_H
1659 #include <pthread_np.h>
1660 #endif
1661 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1662         AC_MSG_RESULT([three arguments])
1663         pthread_setname_np_args=3], [
1664         AC_TRY_COMPILE([
1665 #include <pthread.h>
1666 #ifdef HAVE_PTHREAD_NP_H
1667 #include <pthread_np.h>
1668 #endif
1669 ], [pthread_setname_np(pthread_self(), "test")], [
1670             AC_MSG_RESULT([two arguments])
1671             pthread_setname_np_args=2], [
1672             AC_TRY_COMPILE([
1673 #include <pthread.h>
1674 #ifdef HAVE_PTHREAD_NP_H
1675 #include <pthread_np.h>
1676 #endif
1677 ], [pthread_setname_np("test")], [
1678                 AC_MSG_RESULT([one argument])
1679                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1680 ])
1681 ])
1682 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1683 fi
1684 LIBS="$save_LIBS"
1685
1686 openafs_cv_saved_CFLAGS="$CFLAGS"
1687 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1688
1689 AC_TYPE_SIGNAL
1690 OPENAFS_RETSIGTYPE
1691 AC_CHECK_SIZEOF(void *)
1692 AC_CHECK_SIZEOF(unsigned long long)
1693 AC_CHECK_SIZEOF(unsigned long)
1694 AC_CHECK_SIZEOF(unsigned int)
1695 AC_TYPE_INTPTR_T
1696 AC_TYPE_UINTPTR_T
1697 AC_TYPE_SSIZE_T
1698 AC_CHECK_TYPE([sig_atomic_t],[],
1699     [AC_DEFINE([sig_atomic_t], [int],
1700         [Define to int if <signal.h> does not define.])],
1701 [#include <sys/types.h>
1702 #include <signal.h>])
1703 AC_CHECK_TYPE([socklen_t],[],
1704     [AC_DEFINE([socklen_t], [int],
1705         [Define to int if <sys/socket.h> does not define.])],
1706 [#include <sys/types.h>
1707 #include <sys/socket.h>])
1708 AC_CHECK_TYPES(off64_t)
1709 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1710 AC_CHECK_TYPES([struct winsize], [], [], [
1711 #ifdef HAVE_TERMIOS_H
1712 # include <termios.h>
1713 #else
1714 # include <sys/termios.h>
1715 #endif
1716 #include <sys/ioctl.h>])
1717 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1718                 struct sockaddr_storage],
1719                [], [], [
1720 #include <sys/types.h>
1721 #include <sys/socket.h>
1722 ])
1723 AC_CHECK_TYPES([sa_family_t], [], [], [
1724 #include <sys/types.h>
1725 #include <sys/socket.h>
1726 ])
1727 AC_CHECK_TYPES([struct addrinfo], [], [], [
1728 #include <sys/types.h>
1729 #ifdef HAVE_NETDB_H
1730 #include <netdb.h>
1731 #endif
1732 ])
1733 AC_CHECK_TYPES([long long], [], [], [])
1734
1735 AC_SIZEOF_TYPE(long)
1736
1737 CFLAGS="$openafs_cv_saved_CFLAGS"
1738
1739 RRA_HEADER_PAM_CONST
1740
1741
1742 dnl Directory PATH handling
1743 if test "x$enable_transarc_paths" = "xyes"  ; then 
1744     afsconfdir=${afsconfdir=/usr/afs/etc}
1745     viceetcdir=${viceetcdir=/usr/vice/etc}
1746     afskerneldir=${afskerneldir=${viceetcdir}}
1747     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1748     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1749     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1750     afsdbdir=${afsdbdir=/usr/afs/db}
1751     afslogsdir=${afslogsdir=/usr/afs/logs}
1752     afslocaldir=${afslocaldir=/usr/afs/local}
1753     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1754     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1755     afsdatadir=${afsdatadir=/usr/vice/etc}
1756 else 
1757     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1758     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1759     afskerneldir=${afskerneldir='${libdir}/openafs'}
1760     afssrvbindir=${afssrvbindir='${bindir}'}
1761     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1762     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1763     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1764     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1765     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1766     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1767     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1768     afsdatadir=${afsdatadir='${datadir}/openafs'}
1769 fi
1770 AC_SUBST(afsconfdir)
1771 AC_SUBST(viceetcdir)
1772 AC_SUBST(afskerneldir)
1773 AC_SUBST(afssrvbindir)
1774 AC_SUBST(afssrvsbindir)
1775 AC_SUBST(afssrvlibexecdir)
1776 AC_SUBST(afsdbdir)
1777 AC_SUBST(afslogsdir)
1778 AC_SUBST(afslocaldir)
1779 AC_SUBST(afsbackupdir)
1780 AC_SUBST(afsbosconfigdir)
1781 AC_SUBST(afsdatadir)
1782
1783 if test "x$enable_kernel_module" = "xyes"; then
1784 ENABLE_KERNEL_MODULE=libafs
1785 fi
1786
1787 if test "x$enable_pthreaded_ubik" = "xyes"; then
1788 ENABLE_PTHREADED_UBIK=yes
1789 fi
1790
1791 AC_SUBST(VFSCK)
1792 AC_SUBST(AFS_SYSNAME)
1793 AC_SUBST(AFS_PARAM_COMMON)
1794 AC_SUBST(ENABLE_KERNEL_MODULE)
1795 AC_SUBST(ENABLE_PTHREADED_UBIK)
1796 AC_SUBST(LIB_AFSDB)
1797 AC_SUBST(LINUX_KERNEL_PATH)
1798 AC_SUBST(LINUX_KERNEL_BUILD)
1799 AC_SUBST(HOST_CPU)
1800 AC_SUBST(BSD_KERNEL_PATH)
1801 AC_SUBST(BSD_KERNEL_BUILD)
1802 AC_SUBST(LINUX_VERSION)
1803 AC_SUBST(MKAFS_OSTYPE)
1804 AC_SUBST(TOP_OBJDIR)
1805 AC_SUBST(TOP_SRCDIR)
1806 AC_SUBST(TOP_INCDIR)
1807 AC_SUBST(TOP_LIBDIR)
1808 AC_SUBST(DEST)
1809 AC_SUBST(DARWIN_INFOFILE)
1810 AC_SUBST(IRIX_BUILD_IP35)
1811 AC_SUBST(HTML_XSL)
1812 AC_SUBST(XSLTPROC)
1813 AC_SUBST(DOCBOOK2PDF)
1814 AC_SUBST(DOCBOOK_STYLESHEETS)
1815
1816 OPENAFS_FUSE
1817 OPENAFS_SWIG
1818
1819 TOP_SRCDIR="${srcdir}/src"
1820 dnl
1821 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1822 dnl
1823 case $TOP_SRCDIR in
1824         /*)
1825                 ;;
1826         *)
1827                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1828                 ;;
1829 esac
1830
1831 TOP_OBJDIR="${SRCDIR_PARENT}"
1832 TOP_INCDIR="${SRCDIR_PARENT}/include"
1833 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1834 if test "${DEST}x" = "x"; then
1835         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1836 fi
1837
1838 if test "x$with_crosstools_dir" != "x"; then
1839         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
1840                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
1841                 CONFIGTOOL_PATH=$with_crosstools_dir/config
1842                 RXGEN_PATH=$with_crosstools_dir/rxgen
1843         else
1844                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
1845                 exit 1
1846         fi
1847 else
1848         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
1849         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
1850         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
1851 fi
1852 AC_SUBST(COMPILE_ET_PATH)
1853 AC_SUBST(CONFIGTOOL_PATH)
1854 AC_SUBST(RXGEN_PATH)
1855
1856 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1857 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1858 AC_SUBST(HELPER_SPLINT)
1859 AC_SUBST(HELPER_SPLINTCFG)
1860
1861 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1862
1863 dnl Check to see if crypt lives in a different library
1864 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1865 AC_SUBST(LIB_crypt)
1866
1867 dnl Check to see if the compiler support labels in structs
1868 AC_MSG_CHECKING(for label support in structs)
1869 AC_TRY_COMPILE([], [
1870 extern void osi_UFSOpen(void);
1871 struct labeltest {
1872    void (*open) (void);
1873 };
1874 struct labeltest struct_labeltest = {
1875    .open       = osi_UFSOpen,
1876 }
1877 ],
1878 [AC_MSG_RESULT(yes)
1879  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1880 ],
1881 [AC_MSG_RESULT(no)
1882 ])
1883
1884 AC_MSG_CHECKING([checking for dirfd])
1885 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1886 #ifdef HAVE_DIRENT_H
1887 #include <dirent.h>
1888 #endif
1889 ]],
1890         [[DIR *d = 0; dirfd(d);]])],
1891         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1892 if test "$ac_rk_have_dirfd" = "yes" ; then
1893         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1894 fi
1895 AC_MSG_RESULT($ac_rk_have_dirfd)
1896
1897 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1898 #ifdef HAVE_DIRENT_H
1899 #include <dirent.h>
1900 #endif])
1901
1902 dnl Eventually, this will look for the system one, or for OpenSSL
1903 LIB_hcrypto="-lafshcrypto"
1904 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1905 AC_SUBST(LIB_hcrypto)
1906 AC_SUBST(LDFLAGS_hcrypto)
1907
1908 dnl Check for UUID library
1909 AC_CHECK_HEADERS([uuid/uuid.h])
1910 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
1911 AC_CHECK_FUNCS([uuid_generate])
1912 ])
1913
1914
1915 AC_DEFUN([SUMMARY], [
1916     # Print a configuration summary
1917 echo 
1918 echo "**************************************"
1919 echo configure summary
1920 echo
1921 AS_IF([test $LIB_curses],[
1922 echo "LIB_curses :                $LIB_curses" ],[
1923 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1924 ])
1925 echo 
1926 echo "**************************************"
1927 ])