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