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[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 #undef HAVE_ARPA_NAMESER_COMPAT_H
63 /* glue for RedHat kernel bug */
64 #undef ENABLE_REDHAT_BUILDSYS
65 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
66 #include "redhat-fix.h"
67 #endif])
68
69 AC_CANONICAL_HOST
70 SRCDIR_PARENT=`pwd`
71
72 #BOZO_SAVE_CORES pam
73
74 dnl System identity.
75 AC_ARG_WITH([afs-sysname],
76     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
77
78 dnl General feature options.
79 AC_ARG_ENABLE([pam],
80     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
81     ,
82     [enable_pam="yes"])
83 AC_ARG_ENABLE([namei-fileserver],
84     [AS_HELP_STRING([--enable-namei-fileserver],
85         [force compilation of namei fileserver in preference to inode
86          fileserver])],
87     , 
88     [enable_namei_fileserver="default"])
89 AC_ARG_ENABLE([cache-bypass],
90     [AS_HELP_STRING([--enable-cache-bypass],
91         [enable client support for cache bypass])],
92     , 
93     [enable_cache_bypass="no"])
94 AC_ARG_ENABLE([supergroups],
95     [AS_HELP_STRING([--enable-supergroups],
96         [enable support for nested pts groups])],
97     , 
98     [enable_supergroups="no"])
99 AC_ARG_ENABLE([fast-restart],
100     [AS_HELP_STRING([--enable-fast-restart],
101         [enable fast startup of file server without salvaging])],
102     , 
103     [enable_fast_restart="no"])
104 AC_ARG_ENABLE([bitmap-later],
105     [AS_HELP_STRING([--enable-bitmap-later],
106         [enable fast startup of file server by not reading bitmap till
107          needed])],
108     , 
109     [enable_bitmap_later="no"])
110 AC_ARG_ENABLE([demand-attach-fs],
111     [AS_HELP_STRING([--enable-demand-attach-fs],
112         [enable Demand Attach Fileserver (please see documentation)])],
113     , 
114     [enable_demand_attach_fs="no"])
115 AC_ARG_ENABLE([disconnected],
116     [AS_HELP_STRING([--enable-disconnected],
117         [enable disconnected support in cache manager (experimental)])],
118     , 
119     [enable_disconnected="no"])
120 AC_ARG_ENABLE([unix-sockets],
121     [AS_HELP_STRING([--enable-unix-sockets],
122         [enable use of unix domain sockets for fssync])],
123     ,
124     [enable_unix_sockets="yes"])
125 AC_ARG_ENABLE([icmp-pmtu-discovery],
126     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
127         [enable path MTU discovery by decoding ICMP unreachable replies])],
128     , 
129     [enable_icmp_pmtu_discovery="no"])
130 AC_ARG_ENABLE([tivoli-tsm],
131     [AS_HELP_STRING([--enable-tivoli-tsm],
132         [enable use of the Tivoli TSM API libraries for butc support])],
133     , 
134     [enable_tivoli_tsm="no"])
135 AC_ARG_ENABLE([pthreaded-ubik],
136     [AS_HELP_STRING([--enable-pthreaded-ubik],
137         [enable installation of pthreaded ubik applications (defaults to
138          disabled)])],
139     ,
140     [enable_pthreaded_ubik="no"])
141
142 dnl Kernel module build options.
143 AC_ARG_WITH([dux-kernel-headers],
144     [AS_HELP_STRING([--with-dux-kernel-headers=path],
145         [use the kernel headers found at path (optional, defaults to first
146          match in /usr/sys)])])
147 AC_ARG_WITH([linux-kernel-headers],
148     [AS_HELP_STRING([--with-linux-kernel-headers=path],
149         [use the kernel headers found at path (optional, defaults to
150          /usr/src/linux-2.4, then /usr/src/linux)])])
151 AC_ARG_WITH([linux-kernel-build],
152     [AS_HELP_STRING([--with-linux-kernel-build=path],
153         [use the kernel build found at path(optional, defaults to 
154         /usr/src/linux-2.4, then /usr/src/linux)])])
155 AC_ARG_WITH([bsd-kernel-headers],
156     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
157         [use the kernel headers found at path (optional, defaults to
158          /usr/src/sys)])])
159 AC_ARG_WITH([bsd-kernel-build],
160     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
161         [use the kernel build found at path (optional, defaults to
162          KSRC/i386/compile/GENERIC)])])
163 AC_ARG_WITH([linux-kernel-packaging],
164     [AS_HELP_STRING([--with-linux-kernel-packaging],
165         [use standard naming conventions to aid Linux kernel build packaging
166          (disables MPS, sets the kernel module name to openafs.ko, and
167          installs kernel modules into the standard Linux location)])],
168     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
169      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
170     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
171 AC_ARG_ENABLE([kernel-module],
172     [AS_HELP_STRING([--disable-kernel-module],
173         [disable compilation of the kernel module (defaults to enabled)])],
174     , 
175     [enable_kernel_module="yes"])
176 AC_ARG_ENABLE([redhat-buildsys],
177     [AS_HELP_STRING([--enable-redhat-buildsys],
178         [enable compilation of the redhat build system kernel (defaults to
179          disabled)])],
180     ,
181     [enable_redhat_buildsys="no"])
182
183 dnl Installation locations.
184 AC_ARG_ENABLE([transarc-paths],
185     [AS_HELP_STRING([--enable-transarc-paths],
186         [use Transarc style paths like /usr/afs and /usr/vice])],
187     , 
188     [enable_transarc_paths="no"])
189
190 dnl Optimization and debugging flags.
191 AC_ARG_ENABLE([strip-binaries],
192     [AS_HELP_STRING([--disable-strip-binaries],
193         [disable stripping of symbol information from binaries (defaults to
194          enabled)])],
195     ,
196     [enable_strip_binaries="maybe"])
197 AC_ARG_ENABLE([debug],
198     [AS_HELP_STRING([--enable-debug],
199         [enable compilation of the user space code with debugging information
200          (defaults to disabled)])],
201     , 
202     [enable_debug="no"])
203 AC_ARG_ENABLE([optimize],
204     [AS_HELP_STRING([--disable-optimize],
205         [disable optimization for compilation of the user space code (defaults
206          to enabled)])],
207     , 
208     [enable_optimize="yes"])
209 AC_ARG_ENABLE([warnings],
210     [AS_HELP_STRING([--enable-warnings],
211         [enable compilation warnings when building with gcc (defaults to
212          disabled)])],
213     ,
214     [enable_warnings="no"])
215 AC_ARG_ENABLE([checking],
216     [AS_HELP_STRING([--enable-checking],
217         [turn compilation warnings into errors when building with gcc (defaults
218          to disabled)])],
219     [enable_checking="$enableval"],
220     [enable_checking="no"])
221 AC_ARG_ENABLE([debug-kernel],
222     [AS_HELP_STRING([--enable-debug-kernel],
223         [enable compilation of the kernel module with debugging information
224          (defaults to disabled)])],
225     ,
226     [enable_debug_kernel="no"])
227 AC_ARG_ENABLE([optimize-kernel],
228     [AS_HELP_STRING([--disable-optimize-kernel],
229         [disable compilation of the kernel module with optimization (defaults
230          based on platform)])],
231     , 
232     [enable_optimize_kernel="yes"])
233 AC_ARG_ENABLE([debug-lwp],
234     [AS_HELP_STRING([--enable-debug-lwp],
235         [enable compilation of the LWP code with debugging information
236          (defaults to disabled)])],
237     ,
238     [enable_debug_lwp="no"])
239 AC_ARG_ENABLE([optimize-lwp],
240     [AS_HELP_STRING([--disable-optimize-lwp],
241         [disable optimization for compilation of the LWP code (defaults to
242          enabled)])],
243     ,
244     [enable_optimize_lwp="yes"])
245 AC_ARG_ENABLE([debug-pam],
246     [AS_HELP_STRING([--enable-debug-pam],
247         [enable compilation of the PAM code with debugging information
248          (defaults to disabled)])],
249     ,
250     [enable_debug_pam="no"])
251 AC_ARG_ENABLE([optimize-pam],
252     [AS_HELP_STRING([--disable-optimize-pam],
253         [disable optimization for compilation of the PAM code (defaults to
254          enabled)])],
255     ,
256     [enable_optimize_pam="yes"])
257 AC_ARG_ENABLE([linux-syscall-probing],
258     [AS_HELP_STRING([--disable-linux-syscall-probing],
259         [disabling Linux syscall probing (defaults to enabled)])],
260     ,
261     [AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1, 
262         [define to enable syscall table probes])])
263     
264
265 AC_ARG_WITH([xslt-processor],
266         AS_HELP_STRING([--with-xslt-processor=ARG],
267         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
268         XSLTPROC="$withval",
269         XSLTPROC="libxslt")
270
271 AC_ARG_WITH([html-xsl], 
272         AS_HELP_STRING([--with-html-xsl],
273         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
274         HTML_XSL="$withval",
275         HTML_XSL=no)
276
277 enable_login="no"
278
279 dnl weird ass systems
280 dnl AC_AIX
281 AC_ISC_POSIX
282 dnl AC_MINIX
283
284 dnl Various compiler setup.
285 AC_TYPE_PID_T
286 AC_TYPE_SIZE_T
287
288 dnl Checks for programs.
289 AC_PROG_INSTALL
290 AC_PROG_LN_S
291 AC_PROG_RANLIB
292 AC_PROG_YACC
293 AM_PROG_LEX
294
295 OPENAFS_CHECK_BIGENDIAN
296 OPENAFS_PRINTF_TAKES_Z_LEN
297
298 AC_MSG_CHECKING(your OS)
299 system=$host
300 case $system in
301         *-linux*)
302
303                 MKAFS_OSTYPE=LINUX
304                 if test "x$enable_redhat_buildsys" = "xyes"; then
305                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
306                 fi
307                 if test "x$enable_kernel_module" = "xyes"; then
308                  if test "x$with_linux_kernel_headers" != "x"; then
309                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
310                  else
311                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
312                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
313                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
314                    fi
315                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
316                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
317                    fi
318                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
319                      LINUX_KERNEL_PATH="/usr/src/linux"
320                    fi
321                  fi
322                  if test "x$with_linux_kernel_build" != "x"; then
323                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
324                  else
325                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
326                  fi
327                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
328                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
329                    LINUX_VERSION="$linux_kvers"
330                  else
331                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
332                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
333                      LINUX_VERSION="$linux_kvers"
334                    else
335                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
336                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
337                        if test "x$linux_kvers" = "x"; then
338                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
339                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
340                            if test "x$linux_kvers" = "x"; then
341                              AC_MSG_ERROR(Linux headers lack version definition [2])
342                              exit 1
343                            else
344                              LINUX_VERSION="$linux_kvers"
345                            fi
346                          else
347                            AC_MSG_ERROR(Linux headers lack version definition)
348                            exit 1
349                          fi
350                        else
351                          LINUX_VERSION="$linux_kvers"
352                        fi
353                      else
354                        enable_kernel_module="no"
355                      fi
356                    fi
357                  fi
358                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
359                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
360                      enable_kernel_module="no"
361                  fi
362                  if test "x$enable_kernel_module" = "xno"; then
363                   if test "x$with_linux_kernel_headers" != "x"; then
364                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
365                    exit 1
366                   else
367                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
368                   fi
369                  fi
370                  dnl do we need to determine SUBARCH from autoconf.h
371                  SUBARCH=default
372                 fi
373                 AC_MSG_RESULT(linux)
374                 if test "x$enable_kernel_module" = "xyes"; then
375                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
376                  if test "x${AFS_SYSKVERS}" = "x"; then
377                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
378                  fi
379                 fi
380                 ;;
381         *-solaris*)
382                 MKAFS_OSTYPE=SOLARIS
383                 AC_MSG_RESULT(sun4)
384                 AC_PATH_PROG(SOLARISCC, [cc], ,
385                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
386                 SOLARIS_UFSVFS_HAS_DQRWLOCK
387                 SOLARIS_FS_HAS_FS_ROLLED
388                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
389                 ;;
390         *-sunos*)
391                 MKAFS_OSTYPE=SUNOS
392                 enable_kernel_module=no
393                 AC_MSG_RESULT(sun4)
394                 ;;
395         *-hpux*)
396                 MKAFS_OSTYPE=HPUX
397                 AC_MSG_RESULT(hp_ux)
398                 if test -f "/usr/old/usr/include/ndir.h"; then
399                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
400                 fi
401                 ;;
402         *-irix*)
403                 if test -d /usr/include/sys/SN/SN1; then
404                  IRIX_BUILD_IP35="IP35"
405                 fi
406                 MKAFS_OSTYPE=IRIX
407                 AC_MSG_RESULT(sgi)
408                 ;;
409         *-aix*)
410                 MKAFS_OSTYPE=AIX
411                 AC_MSG_RESULT(rs_aix)
412                 ;;
413         *-osf*)
414                 MKAFS_OSTYPE=DUX
415                 AC_MSG_RESULT(alpha_dux)
416                 ;;
417         powerpc-*-darwin*)
418                 MKAFS_OSTYPE=DARWIN
419                 AC_MSG_RESULT(ppc_darwin)
420                 ;;
421         i386-*-darwin*)
422                 MKAFS_OSTYPE=DARWIN
423                 AC_MSG_RESULT(x86_darwin)
424                 ;;
425         i386-*-freebsd*)
426                 MKAFS_OSTYPE=FBSD
427                 AC_MSG_RESULT(i386_fbsd)
428                 ;;
429         x86_64-*-freebsd*)
430                 MKAFS_OSTYPE=FBSD
431                 AC_MSG_RESULT(amd64_fbsd)
432                 ;;
433         *-netbsd*)
434                 MKAFS_OSTYPE=NBSD
435                 AC_MSG_RESULT(nbsd)
436                 ;;
437         x86_64-*-openbsd*)
438                 MKAFS_OSTYPE=OBSD
439                 AC_MSG_RESULT(amd64_obsd)
440                 ;;
441         i386-*-openbsd*)
442                 MKAFS_OSTYPE=OBSD
443                 AC_MSG_RESULT(i386_obsd)
444                 ;;
445         *-dragonfly*)
446                 MKAFS_OSTYPE=DFBSD
447                 AC_MSG_RESULT(i386_dfbsd)
448                 ;;
449         *)
450                 AC_MSG_RESULT($system)
451                 ;;
452 esac
453
454 if test "x$with_afs_sysname" != "x"; then
455         AFS_SYSNAME="$with_afs_sysname"
456 else
457         AC_MSG_CHECKING(your AFS sysname)
458         case $host in
459                 i?86-*-openbsd?.?)
460                         v=${host#*openbsd}
461                         vM=${v%.*}
462                         vm=${v#*.}
463                         AFS_SYSNAME="i386_obsd${vM}${vm}"
464                         ;;
465                 sparc64-*-openbsd?.?)
466                         v=${host#*openbsd}
467                         vM=${v%.*}
468                         vm=${v#*.}
469                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
470                         ;;
471                 x86_64-*-openbsd?.?)
472                         v=${host#*openbsd}
473                         vM=${v%.*}
474                         vm=${v#*.}
475                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
476                         ;;
477                 i?86-*-freebsd?.*)
478                         v=${host#*freebsd}
479                         vM=${v%.*}
480                         vm=${v#*.}
481                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
482                         ;;
483                 x86_64-*-freebsd?.*)
484                         v=${host#*freebsd}
485                         vM=${v%.*}
486                         vm=${v#*.}
487                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
488                         ;;
489                 i386-*-dragonfly2.2*)
490                         AFS_SYSNAME="i386_dfbsd_23"
491                         ;;
492                 i386-*-dragonfly2.3*)
493                         AFS_SYSNAME="i386_dfbsd_23"
494                         ;;
495                 i?86-*-netbsd*1.6[[M-Z]]*)
496                         AFS_SYSNAME="i386_nbsd20"
497                         ;;
498                 powerpc-*-netbsd*1.6[[M-Z]]*)
499                         AFS_SYSNAME="ppc_nbsd20"
500                         ;;
501                 *-*-netbsd*)
502                         arch=${host%%-unknown*}
503                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
504                                                -e 's/powerpc/ppc/g')
505                         v=${host#*netbsd}
506                         v=${v#*aout}
507                         v=${v#*ecoff}
508                         v=${v#*elf}
509                         vM=${v%%.*}
510                         vM=${vM%.*}
511                         v=${v#*.}
512                         vm=${v%%.*}
513                         vm=${vm%.*}
514                         vm=${vm%%[[_A-Z]]*}
515                         if test $vm -eq 99 ; then
516                                 vM=$((vM+1))
517                         fi
518                         if test $vM -gt 1 ; then
519                                 vm=0
520                         fi
521                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
522                         ;;
523                 hppa*-hp-hpux11.0*)
524                         AFS_SYSNAME="hp_ux110"
525                         ;;
526                 hppa*-hp-hpux11.11)
527                         AFS_SYSNAME="hp_ux11i"
528                         ;;
529                 hppa*-hp-hpux11.23)
530                         AFS_SYSNAME="hp_ux1123"
531                         ;;
532                 ia64-hp-hpux11.22)
533                         AFS_SYSNAME="ia64_hpux1122"
534                         ;;
535                 ia64-hp-hpux*)
536                         AFS_SYSNAME="ia64_hpux1123"
537                         ;;
538                 hppa*-hp-hpux10*)
539                         AFS_SYSNAME="hp_ux102"
540                         ;;
541                 powerpc-apple-darwin7*)
542                         AFS_SYSNAME="ppc_darwin_70"
543                         ;;
544                 powerpc-apple-darwin8.*)
545                         AFS_SYSNAME="ppc_darwin_80"
546                         ;;
547                 i386-apple-darwin8.*)
548                         AFS_SYSNAME="x86_darwin_80"
549                         ;;
550                 powerpc-apple-darwin9.*)
551                         AFS_SYSNAME="ppc_darwin_90"
552                         ;;
553                 i386-apple-darwin9.*)
554                         AFS_SYSNAME="x86_darwin_90"
555                         ;;
556                 i?86-apple-darwin10.*)
557                         AFS_SYSNAME="x86_darwin_100"
558                         ;;
559                 sparc-sun-solaris2.5*)
560                         AFS_SYSNAME="sun4x_55"
561                         enable_login="yes"
562                         ;;
563                 sparc-sun-solaris2.6)
564                         AFS_SYSNAME="sun4x_56"
565                         ;;
566                 sparc-sun-solaris2.7)
567                         AFS_SYSNAME="sun4x_57"
568                         ;;
569                 sparc-sun-solaris2.8)
570                         AFS_SYSNAME="sun4x_58"
571                         ;;
572                 sparc-sun-solaris2.9)
573                         AFS_SYSNAME="sun4x_59"
574                         ;;
575                 sparc-sun-solaris2.10)
576                         AFS_SYSNAME="sun4x_510"
577                         ;;
578                 sparc-sun-solaris2.11)
579                         AFS_SYSNAME="sun4x_511"
580                         ;;
581                 sparc-sun-sunos4*)
582                         AFS_SYSNAME="sun4_413"
583                         enable_login="yes"
584                         ;;
585                 i386-pc-solaris2.7)
586                         AFS_SYSNAME="sunx86_57"
587                         ;;
588                 i386-pc-solaris2.8)
589                         AFS_SYSNAME="sunx86_58"
590                         ;;
591                 i386-pc-solaris2.9)
592                         AFS_SYSNAME="sunx86_59"
593                         ;;
594                 i386-pc-solaris2.10)
595                         AFS_SYSNAME="sunx86_510"
596                         ;;
597                 i386-pc-solaris2.11)
598                         AFS_SYSNAME="sunx86_511"
599                         ;;
600                 alpha*-dec-osf4.0*)
601                         AFS_SYSNAME="alpha_dux40"
602                         ;;
603                 alpha*-dec-osf5.0*)
604                         AFS_SYSNAME="alpha_dux50"
605                         ;;
606                 alpha*-dec-osf5.1*)
607                         AFS_SYSNAME="alpha_dux51"
608                         ;;
609                 mips-sgi-irix6.5)
610                         AFS_SYSNAME="sgi_65"
611                         ;;
612                 ia64-*-linux*)
613                         AFS_SYSNAME="ia64_linuxXX"
614                         ;;
615                 powerpc-*-linux*)
616                         AFS_SYSNAME="`/bin/arch`_linuxXX"
617                         ;;
618                 powerpc64-*-linux*)
619                         AFS_SYSNAME="ppc64_linuxXX"
620                         ;;
621                 alpha*-linux*)
622                         AFS_SYSNAME="alpha_linux_XX"
623                         ;;
624                 s390-*-linux*)
625                         AFS_SYSNAME="s390_linuxXX"
626                         ;;
627                 s390x-*-linux*)
628                         AFS_SYSNAME="s390x_linuxXX"
629                         ;;
630                 sparc-*-linux*)
631                         AFS_SYSNAME="`/bin/arch`_linuxXX"
632                         ;;
633                 sparc64-*-linux*)
634                         AFS_SYSNAME="sparc64_linuxXX"
635                         ;;
636                 i?86-*-linux*)
637                         AFS_SYSNAME="i386_linuxXX"
638                         ;;
639                 arm*-linux*)
640                         AFS_SYSNAME="arm_linuxXX"
641                         ;;
642                 parisc-*-linux-gnu|hppa-*-linux-gnu)
643                         AFS_SYSNAME="parisc_linuxXX"
644                         enable_pam="no"
645                         ;;
646                 power*-ibm-aix4.2*)
647                         AFS_SYSNAME="rs_aix42"
648                         enable_pam="no"
649                         ;;
650                 power*-ibm-aix4.3*)
651                         AFS_SYSNAME="rs_aix42"
652                         enable_pam="no"
653                         ;;
654                 power*-ibm-aix5.1*)
655                         AFS_SYSNAME="rs_aix51"
656                         enable_pam="no"
657                         ;;
658                 power*-ibm-aix5.2*)
659                         AFS_SYSNAME="rs_aix52"
660                         enable_pam="no"
661                         ;;
662                 power*-ibm-aix5.3*)
663                         AFS_SYSNAME="rs_aix53"
664                         enable_pam="no"
665                         ;;
666                 power*-ibm-aix6.1*)
667                         AFS_SYSNAME="rs_aix61"
668                         enable_pam="no"
669                         ;;
670                 x86_64-*-linux-gnu)
671                         AFS_SYSNAME="amd64_linuxXX"
672                         enable_pam="yes"
673                         ;;
674                 *)
675                         AC_MSG_ERROR(An AFS sysname is required)
676                         exit 1
677                         ;;
678         esac
679         case $AFS_SYSNAME in
680                 *_linux* | *_umlinux*)
681                         if test "x${AFS_SYSKVERS}" = "x"; then
682                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
683                         fi
684                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
685                         AFS_SYSNAME="$_AFS_SYSNAME"
686                         AC_TRY_KBUILD(
687                          [],
688                          [#ifndef CONFIG_USERMODE
689                           #error not UML
690                           #endif],
691                          ac_cv_linux_is_uml=yes,)
692                         if test "${ac_cv_linux_is_uml}" = yes; then
693                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
694                         fi
695                         AFS_SYSNAME="$_AFS_SYSNAME"
696                         ;;
697         esac
698         AC_MSG_RESULT($AFS_SYSNAME)
699 fi
700
701 case $AFS_SYSNAME in
702         *_darwin*)
703                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
704                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
705                 ;;
706 esac
707
708 dnl Some hosts have a separate common param file they should include.  Figure
709 dnl out if we're on one of them now that we know the sysname.
710 case $AFS_SYSNAME in
711     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
712     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
713     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
714     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
715     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
716     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
717     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
718     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
719     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
720     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
721     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
722     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
723     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
724     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
725     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
726     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
727     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
728     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
729     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
730     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
731     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
732     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
733     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
734     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
735     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
736     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
737 # Linux alpha adds an extra underscore for no good reason.
738     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
739     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
740     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
741 esac
742
743 case $AFS_SYSNAME in *_linux* | *_umlinux*)
744
745                 # Add (sub-) architecture-specific paths needed by conftests
746                 case $AFS_SYSNAME  in
747                         *_umlinux26)
748                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
749                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
750                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
751                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
752                 esac
753
754                 if test "x$enable_kernel_module" = "xyes"; then
755                  if test "x$enable_debug_kernel" = "xno"; then
756                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
757                  fi
758                  OPENAFS_GCC_SUPPORTS_MARCH
759                  AC_SUBST(P5PLUS_KOPTS)
760                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
761                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
762                  OPENAFS_GCC_SUPPORTS_NO_COMMON
763                  OPENAFS_GCC_SUPPORTS_PIPE
764                  AC_SUBST(LINUX_GCC_KOPTS)
765
766                  dnl Setup the kernel build environment
767                  LINUX_KBUILD_USES_EXTRA_CFLAGS
768                  LINUX_KERNEL_COMPILE_WORKS
769
770                  dnl Check for header files
771                  AC_CHECK_LINUX_HEADER([config.h])
772                  AC_CHECK_LINUX_HEADER([completion.h])
773                  AC_CHECK_LINUX_HEADER([exportfs.h])
774                  AC_CHECK_LINUX_HEADER([freezer.h])
775                  AC_CHECK_LINUX_HEADER([key-type.h])
776                  AC_CHECK_LINUX_HEADER([semaphore.h])
777                  AC_CHECK_LINUX_HEADER([seq_file.h])
778
779                  dnl Check for structure elements
780                  AC_CHECK_LINUX_STRUCT([address_space_operations],
781                                        [write_begin], [fs.h])
782                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
783                                        [backing-dev.h])
784                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
785                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
786                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
787                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
788                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
789                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
790                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
791                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
792                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
793                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
794                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
795                                        [fs.h])
796                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
797                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
798                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
799                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
800                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
801                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
802                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
803                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
804                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
805                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
806                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
807
808                  dnl Function existence checks
809
810                  AC_CHECK_LINUX_FUNC([bdi_init],
811                                      [#include <linux/backing-dev.h>],
812                                      [bdi_init(NULL);])
813                  AC_CHECK_LINUX_FUNC([PageChecked],
814                                      [#include <linux/mm.h>
815 #include <linux/page-flags.h>],
816                                      [struct page *_page;
817                                       int bchecked = PageChecked(_page);])
818                  AC_CHECK_LINUX_FUNC([PageFsMisc],
819                                      [#include <linux/mm.h>
820 #include <linux/page-flags.h>],
821                                      [struct page *_page;
822                                       int bchecked = PageFsMisc(_page);])
823                  AC_CHECK_LINUX_FUNC([ctl_table], [ctl_name], [sysctl.h])
824                  AC_CHECK_LINUX_FUNC([current_kernel_time],
825                                      [#include <linux/time.h>],
826                                      [struct timespec s;
827                                       s = current_kernel_time();])
828                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
829                                      [#include <linux/dcache.h>],
830                                      [d_alloc_anon(NULL);])
831                  AC_CHECK_LINUX_FUNC([do_sync_read],
832                                      [#include <linux/fs.h>],
833                                      [do_sync_read(NULL, NULL, 0, NULL);])
834                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
835                                      [#include <linux/sched.h>],
836                                      [pid_t p; find_task_by_pid(p);])
837                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
838                                      [#include <linux/fs.h>],
839                                      [generic_file_aio_read(NULL,NULL,0,0);])
840                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
841                                      [#include <linux/pagemap.h>],
842                                      [grab_cache_page_write_begin(NULL, 0, 0);])
843                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
844                                      [#include <linux/list.h>],
845                                      [hlist_unhashed(0);])
846                  AC_CHECK_LINUX_FUNC([i_size_read],
847                                      [#include <linux/fs.h>],
848                                      [i_size_read(NULL);])
849                  AC_CHECK_LINUX_FUNC([iget],
850                                      [#include <linux/fs.h>],
851                                      [iget(NULL, NULL);])
852                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
853                                      [#include <linux/net.h>],
854                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
855                  AC_CHECK_LINUX_FUNC([page_follow_link],
856                                      [#include <linux/fs.h>],
857                                      [page_follow_link(0,0);])
858                  AC_CHECK_LINUX_FUNC([page_offset],
859                                      [#include <linux/pagemap.h>],
860                                      [page_offset(NULL);])
861                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
862                                      [#include <linux/pagevec.h>],
863                                      [__pagevec_lru_add_file(NULL);])
864                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
865                                      [#include <linux/rcupdate.h>],
866                                      [rcu_read_lock();])
867                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
868                                      [#include <linux/splice.h>],
869                                      [splice_direct_to_actor(NULL,NULL,NULL);])
870                  AC_CHECK_LINUX_FUNC([svc_addr_in],
871                                      [#include <linux/sunrpc/svc.h>],
872                                      [svc_addr_in(NULL);])
873                  AC_CHECK_LINUX_FUNC([vfs_llseek],
874                                      [#include <linux/fs.h>],
875                                      [vfs_llseek(NULL, 0, 0);])
876                  AC_CHECK_LINUX_FUNC([zero_user_segments],
877                                      [#include <linux/highmem.h>],
878                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
879
880                  dnl Consequences - things which get set as a result of the
881                  dnl                above tests
882                  AS_IF([test "x$ac_cv_linux_func_iget" = "xno"],
883                        [AC_DEFINE([LINUX_USE_FH], 1,
884                           [define to use linux file handles for cache files])])
885                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
886                        [AC_DEFINE([AFS_NONFSTRANS], 1,
887                                   [define to disable the nfs translator])])
888
889                  dnl Assorted more complex tests
890                  LINUX_EXPORTS_PROC_ROOT_FS
891                  LINUX_KMEM_CACHE_INIT
892                  LINUX_HAVE_KMEM_CACHE_T
893                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
894                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
895                  LINUX_D_PATH_TAKES_STRUCT_PATH
896                  LINUX_NEW_EXPORT_OPS
897                  LINUX_INODE_SETATTR_RETURN_TYPE
898                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
899                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
900                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
901                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
902                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
903                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
904                  LINUX_AOP_WRITEBACK_CONTROL
905                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
906                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
907                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
908                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
909                  LINUX_KERNEL_SOCK_CREATE
910                  LINUX_EXPORTS_KEY_TYPE_KEYRING
911                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
912                  LINUX_NEED_RHCONFIG
913                  LINUX_RECALC_SIGPENDING_ARG_TYPE
914                  LINUX_EXPORTS_TASKLIST_LOCK
915                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
916                  LINUX_STATFS_TAKES_DENTRY
917                  LINUX_REFRIGERATOR
918                  LINUX_HAVE_TRY_TO_FREEZE
919                  LINUX_LINUX_KEYRING_SUPPORT
920                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
921                  LINUX_KEY_ALLOC_NEEDS_CRED
922                  LINUX_INIT_WORK_HAS_DATA
923                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
924                  LINUX_EXPORTS_INIT_MM
925                  LINUX_EXPORTS_SYS_CHDIR
926                  LINUX_EXPORTS_SYS_OPEN
927
928                  dnl Packaging and SMP build
929                  if test "x$with_linux_kernel_packaging" = "xno" ; then
930                    LINUX_WHICH_MODULES
931                  else
932                    AC_SUBST(MPS,'SP')
933                  fi
934
935                  dnl Syscall probing
936                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
937                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
938                    ac_cv_linux_exports_sys_call_table=no
939                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
940                      ac_cv_linux_exports_ia32_sys_call_table=yes
941                    fi
942                  else
943                    LINUX_EXPORTS_KALLSYMS_ADDRESS
944                    LINUX_EXPORTS_KALLSYMS_SYMBOL
945                    LINUX_EXPORTS_SYS_CALL_TABLE
946                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
947                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
948                          linux_syscall_method=none
949                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
950                             linux_syscall_method=scan
951                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
952                                linux_syscall_method=scan_with_kallsyms_address
953                             fi
954                          fi
955                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
956                             linux_syscall_method=kallsyms_symbol
957                          fi
958                          if test "x$linux_syscall_method" = "xnone"; then
959                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
960                             linux_syscall_method=scan
961                          fi
962                    fi
963                  fi
964                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
965                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
966                  fi
967                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
968                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
969                  fi
970                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
971                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
972                  else
973                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
974                  fi
975                 :
976                 fi
977 esac
978
979 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
980     [ac_cv_sockaddr_len],
981     [AC_TRY_COMPILE( [#include <sys/types.h>
982 #include <sys/socket.h>],
983                      [struct sockaddr *a; a->sa_len=0;],
984                      [ac_cv_sockaddr_len=yes],
985                      [ac_cv_sockaddr_len=no])
986 ])
987 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
988       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
989                  [define if you struct sockaddr sa_len])])
990
991 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
992         echo Skipping library tests because they confuse Irix.
993 else
994   AC_SEARCH_LIBS([socket], [socket inet])
995   AC_SEARCH_LIBS([connect], [nsl])
996   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
997
998   dnl darwin wants it, aix hates it
999   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1000   AC_TRY_COMPILE([
1001   #include <stdlib.h>
1002   #include <stdio.h>
1003   #include <sys/types.h>
1004   #include <sys/socket.h>
1005   #include <netinet/in.h>
1006   #include <arpa/inet.h>
1007   #include <arpa/nameser.h>
1008   #include <arpa/nameser_compat.h>
1009   #include <resolv.h>
1010   ], [static int i; i = 0;],
1011   [AC_MSG_RESULT(yes)
1012    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1013   [AC_MSG_RESULT(no)
1014    ])
1015
1016   openafs_save_libs="$LIBS"
1017   AC_MSG_CHECKING([for res_search])
1018   AC_FUNC_RES_SEARCH
1019
1020   if test "$ac_cv_func_res_search" = no; then
1021       for lib in dns nsl resolv; do
1022         if test "$ac_cv_func_res_search" != yes; then
1023           LIBS="-l$lib $LIBS"
1024           AC_FUNC_RES_SEARCH
1025           LIBS="$openafs_save_libs"
1026         fi
1027       done    
1028       if test "$ac_cv_func_res_search" = yes; then
1029         LIB_AFSDB="-l$lib"
1030         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1031         AC_MSG_RESULT([yes, in lib$lib])
1032       else
1033         AC_MSG_RESULT(no)
1034       fi
1035   else
1036     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1037     AC_MSG_RESULT(yes)
1038   fi
1039   
1040 fi
1041
1042 AC_CHECK_RESOLV_RETRANS
1043
1044 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1045     [ac_cv_setsockopt_iprecverr],
1046     [AC_TRY_COMPILE( [
1047 #include <sys/types.h>
1048 #include <sys/socket.h>
1049 #include <netinet/in.h>],
1050 [int on=1;
1051 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1052         [ac_cv_setsockopt_iprecverr=yes],
1053         [ac_cv_setsockopt_iprecverr=no])])
1054
1055 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1056       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1057                  [define if asynchronous socket errors can be received])])
1058
1059 PTHREAD_LIBS=error
1060 if test "x$MKAFS_OSTYPE" = OBSD; then
1061         PTHREAD_LIBS="-pthread"
1062 fi
1063 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1064         PTHREAD_LIBS="-pthread"
1065 fi
1066 if test "x$PTHREAD_LIBS" = xerror; then
1067         AC_CHECK_LIB(pthread, pthread_attr_init,
1068                 PTHREAD_LIBS="-lpthread")
1069 fi
1070 if test "x$PTHREAD_LIBS" = xerror; then
1071         AC_CHECK_LIB(pthreads, pthread_attr_init,
1072                 PTHREAD_LIBS="-lpthreads")
1073 fi
1074 if test "x$PTHREAD_LIBS" = xerror; then
1075         AC_CHECK_LIB(c_r, pthread_attr_init,
1076                 PTHREAD_LIBS="-lc_r")
1077 fi
1078 if test "x$PTHREAD_LIBS" = xerror; then
1079         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1080 fi
1081 if test "x$PTHREAD_LIBS" = xerror; then
1082         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1083         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1084                 PTHREAD_LIBS="-lpthread")
1085 fi
1086 if test "x$PTHREAD_LIBS" = xerror; then
1087         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1088 fi
1089 AC_SUBST(PTHREAD_LIBS)
1090
1091 HOST_CPU="$host_cpu"
1092
1093 if test "x$with_bsd_kernel_headers" != "x"; then
1094         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1095 else
1096         BSD_KERNEL_PATH="/usr/src/sys"
1097 fi
1098
1099 if test "x$with_bsd_kernel_build" != "x"; then
1100         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1101 else
1102         case $AFS_SYSNAME in
1103                 *_fbsd_*)
1104                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1105                         ;;
1106                 *_nbsd*)
1107                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1108         esac
1109 fi
1110
1111 # Fast restart
1112 if test "$enable_supergroups" = "yes"; then
1113         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1114 fi
1115
1116 if test "$enable_fast_restart" = "yes"; then
1117         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1118 fi
1119
1120 if test "$enable_bitmap_later" = "yes"; then
1121         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1122 fi
1123
1124 if test "$enable_demand_attach_fs" = "yes"; then
1125         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1126         DEMAND_ATTACH="yes"
1127 else
1128         DEMAND_ATTACH="no"
1129 fi
1130 AC_SUBST(DEMAND_ATTACH)
1131
1132 if test "$enable_disconnected" = "yes"; then
1133         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1134 fi
1135
1136 if test "$enable_unix_sockets" = "yes"; then
1137         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1138         USE_UNIX_SOCKETS="yes"
1139 else
1140         USE_UNIX_SOCKETS="no"
1141 fi
1142 AC_SUBST(USE_UNIX_SOCKETS)
1143
1144 if test "$enable_fast_restart" = "yes" &&
1145    test "$enable_demand_attach_fs" = "yes" ; then
1146         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1147         exit 1
1148 fi
1149
1150 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1151    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1152         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1153    fi
1154 fi
1155
1156 if test "$enable_cache_bypass" = "yes"; then
1157         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1158 fi
1159
1160 if test "$enable_namei_fileserver" = "yes"; then
1161         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1162         VFSCK=""
1163 else
1164         if test "$enable_namei_fileserver" = "default"; then
1165                 case $host in
1166                         *-solaris2.10*)
1167                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1168                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1169                                 VFSCK=""
1170                                 ;;
1171                         *-solaris2.11*)
1172                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1173                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1174                                 VFSCK=""
1175                                 ;;
1176                         *)
1177                                 VFSCK="vfsck"
1178                                 ;;
1179                 esac
1180         else
1181                 VFSCK="vfsck"
1182         fi
1183 fi
1184
1185 dnl check for tivoli
1186 AC_MSG_CHECKING(for tivoli tsm butc support)
1187 XBSA_CFLAGS=""
1188 if test "$enable_tivoli_tsm" = "yes"; then
1189         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1190         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1191         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1192         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1193
1194         if test -r "$XBSADIR3/dsmapifp.h"; then
1195                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1196                 XBSA_XLIBS="-ldl"
1197                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1198         elif test -r "$XBSADIR4/dsmapifp.h"; then
1199                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1200                 XBSA_XLIBS="-ldl"
1201                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1202         elif test -r "$XBSADIR1/xbsa.h"; then
1203                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1204                 XBSA_XLIBS=""
1205                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1206         elif test -r "$XBSADIR2/xbsa.h"; then
1207                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1208                 XBSA_XLIBS=""
1209                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1210         else
1211                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1212         fi
1213 else
1214         AC_MSG_RESULT([no])
1215 fi
1216 AC_SUBST(XBSA_CFLAGS)
1217 AC_SUBST(XBSA_XLIBS) 
1218
1219 dnl checks for header files.
1220 AC_HEADER_STDC
1221 AC_HEADER_SYS_WAIT
1222 AC_HEADER_DIRENT
1223 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1224 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1225 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1226 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1227 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h)
1228 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1229 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1230 AC_CHECK_HEADERS(et/com_err.h)
1231
1232 AC_CHECK_TYPES([fsblkcnt_t],,,[
1233 #include <sys/types.h>
1234 #ifdef HAVE_SYS_BITYPES_H
1235 #include <sys/bitypes.h>
1236 #endif
1237 #ifdef HAVE_SYS_STATFS_H
1238 #include <sys/statfs.h>
1239 #endif
1240 #ifdef HAVE_SYS_STATVFS_H
1241 #include <sys/statvfs.h>
1242 #endif
1243 ])
1244
1245 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1246
1247 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1248 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1249         case $AFS_SYSNAME in
1250         sgi_*)
1251                 HAVE_PAM="no"
1252                 ;;
1253         *)
1254                 HAVE_PAM="yes"
1255                 ;;
1256         esac
1257 else
1258         HAVE_PAM="no"
1259 fi
1260 AC_SUBST(HAVE_PAM)
1261
1262 if test "$enable_login" = yes; then
1263         BUILD_LOGIN="yes"
1264 else
1265         BUILD_LOGIN="no"
1266 fi
1267 AC_SUBST(BUILD_LOGIN)
1268
1269 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock)
1270 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1271 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1272 AC_CHECK_FUNCS(regcomp regexec regerror)
1273 AC_MSG_CHECKING([for POSIX regex library])
1274 if test "$ac_cv_header_regex_h" = "yes" && \
1275         test "$ac_cv_func_regcomp" = "yes" && \
1276         test "$ac_cv_func_regexec" = "yes" && \
1277         test "$ac_cv_func_regerror" = "yes"; then
1278     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1279     AC_MSG_RESULT(yes)
1280 else
1281     AC_MSG_RESULT(no)
1282 fi
1283
1284 AC_TYPE_SIGNAL
1285 AC_CHECK_SIZEOF(void *)
1286 AC_CHECK_SIZEOF(unsigned long long)
1287 AC_CHECK_SIZEOF(unsigned long)
1288 AC_CHECK_SIZEOF(unsigned int)
1289 AC_TYPE_INTPTR_T
1290 AC_TYPE_UINTPTR_T
1291 AC_CHECK_TYPES([ssize_t])
1292 AC_CHECK_TYPES([sig_atomic_t],[],[],
1293 [#include <sys/types.h>
1294 #include <signal.h>])
1295 AC_CHECK_TYPES([socklen_t],[],[],
1296 [#include <sys/types.h>
1297 #include <sys/socket.h>])
1298 AC_SIZEOF_TYPE(long)
1299
1300 AC_HEADER_PAM_CONST
1301
1302 AC_CHECK_FUNCS(timegm)
1303 AC_CHECK_FUNCS(daemon)
1304
1305 dnl Directory PATH handling
1306 if test "x$enable_transarc_paths" = "xyes"  ; then 
1307     afsconfdir=${afsconfdir=/usr/afs/etc}
1308     viceetcdir=${viceetcdir=/usr/vice/etc}
1309     afskerneldir=${afskerneldir=${viceetcdir}}
1310     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1311     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1312     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1313     afsdbdir=${afsdbdir=/usr/afs/db}
1314     afslogsdir=${afslogsdir=/usr/afs/logs}
1315     afslocaldir=${afslocaldir=/usr/afs/local}
1316     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1317     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1318     afsdatadir=${afsdatadir=/usr/vice/etc}
1319 else 
1320     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1321     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1322     afskerneldir=${afskerneldir='${libdir}/openafs'}
1323     afssrvbindir=${afssrvbindir='${bindir}'}
1324     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1325     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1326     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1327     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1328     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1329     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1330     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1331     afsdatadir=${afsdatadir='${datadir}/openafs'}
1332 fi
1333 AC_SUBST(afsconfdir)
1334 AC_SUBST(viceetcdir)
1335 AC_SUBST(afskerneldir)
1336 AC_SUBST(afssrvbindir)
1337 AC_SUBST(afssrvsbindir)
1338 AC_SUBST(afssrvlibexecdir)
1339 AC_SUBST(afsdbdir)
1340 AC_SUBST(afslogsdir)
1341 AC_SUBST(afslocaldir)
1342 AC_SUBST(afsbackupdir)
1343 AC_SUBST(afsbosconfigdir)
1344 AC_SUBST(afsdatadir)
1345
1346 if test "x$enable_kernel_module" = "xyes"; then
1347 ENABLE_KERNEL_MODULE=libafs
1348 fi
1349
1350 if test "x$enable_pthreaded_ubik" = "xyes"; then
1351 ENABLE_PTHREADED_UBIK=yes
1352 fi
1353
1354 AC_SUBST(VFSCK)
1355 AC_SUBST(AFS_SYSNAME)
1356 AC_SUBST(AFS_PARAM_COMMON)
1357 AC_SUBST(ENABLE_KERNEL_MODULE)
1358 AC_SUBST(ENABLE_PTHREADED_UBIK)
1359 AC_SUBST(LIB_AFSDB)
1360 AC_SUBST(LINUX_KERNEL_PATH)
1361 AC_SUBST(LINUX_KERNEL_BUILD)
1362 AC_SUBST(HOST_CPU)
1363 AC_SUBST(BSD_KERNEL_PATH)
1364 AC_SUBST(BSD_KERNEL_BUILD)
1365 AC_SUBST(LINUX_VERSION)
1366 AC_SUBST(MKAFS_OSTYPE)
1367 AC_SUBST(TOP_OBJDIR)
1368 AC_SUBST(TOP_SRCDIR)
1369 AC_SUBST(TOP_INCDIR)
1370 AC_SUBST(TOP_LIBDIR)
1371 AC_SUBST(DEST)
1372 AC_SUBST(DARWIN_INFOFILE)
1373 AC_SUBST(IRIX_BUILD_IP35)
1374 AC_SUBST(HTML_XSL)
1375 AC_SUBST(XSLTPROC)
1376
1377 OPENAFS_OSCONF
1378 OPENAFS_KRB5CONF
1379 OPENAFS_FUSE
1380
1381 TOP_SRCDIR="${srcdir}/src"
1382 dnl
1383 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1384 dnl
1385 case $TOP_SRCDIR in
1386         /*)
1387                 ;;
1388         *)
1389                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1390                 ;;
1391 esac
1392
1393 TOP_OBJDIR="${SRCDIR_PARENT}"
1394 TOP_INCDIR="${SRCDIR_PARENT}/include"
1395 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1396 if test "${DEST}x" = "x"; then
1397         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1398 fi
1399
1400 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1401 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1402 AC_SUBST(HELPER_SPLINT)
1403 AC_SUBST(HELPER_SPLINTCFG)
1404
1405 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1406
1407 ])