5459b3c61308374ad9cf2889201e5eab4796d8e4
[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([supergroups],
90     [AS_HELP_STRING([--enable-supergroups],
91         [enable support for nested pts groups])],
92     , 
93     [enable_supergroups="no"])
94 AC_ARG_ENABLE([bitmap-later],
95     [AS_HELP_STRING([--enable-bitmap-later],
96         [enable fast startup of file server by not reading bitmap till
97          needed])],
98     , 
99     [enable_bitmap_later="no"])
100 AC_ARG_ENABLE([demand-attach-fs],
101     [AS_HELP_STRING([--enable-demand-attach-fs],
102         [enable Demand Attach Fileserver (please see documentation)])],
103     , 
104     [enable_demand_attach_fs="no"])
105 AC_ARG_ENABLE([unix-sockets],
106     [AS_HELP_STRING([--disable-unix-sockets],
107         [disable use of unix domain sockets for fssync (defaults to enabled)])],
108     ,
109     [enable_unix_sockets="yes"])
110 AC_ARG_ENABLE([icmp-pmtu-discovery],
111     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
112         [enable path MTU discovery by decoding ICMP unreachable replies])],
113     , 
114     [enable_icmp_pmtu_discovery="no"])
115 AC_ARG_ENABLE([tivoli-tsm],
116     [AS_HELP_STRING([--enable-tivoli-tsm],
117         [enable use of the Tivoli TSM API libraries for butc support])],
118     , 
119     [enable_tivoli_tsm="no"])
120 AC_ARG_ENABLE([pthreaded-ubik],
121     [AS_HELP_STRING([--enable-pthreaded-ubik],
122         [enable installation of pthreaded ubik applications (defaults to
123          disabled)])],
124     ,
125     [enable_pthreaded_ubik="no"])
126
127 dnl Kernel module build options.
128 AC_ARG_WITH([linux-kernel-headers],
129     [AS_HELP_STRING([--with-linux-kernel-headers=path],
130         [use the kernel headers found at path (optional, defaults to
131          /usr/src/linux-2.4, then /usr/src/linux)])])
132 AC_ARG_WITH([linux-kernel-build],
133     [AS_HELP_STRING([--with-linux-kernel-build=path],
134         [use the kernel build found at path(optional, defaults to 
135         /usr/src/linux-2.4, then /usr/src/linux)])])
136 AC_ARG_WITH([bsd-kernel-headers],
137     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
138         [use the kernel headers found at path (optional, defaults to
139          /usr/src/sys)])])
140 AC_ARG_WITH([bsd-kernel-build],
141     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
142         [use the kernel build found at path (optional, defaults to
143          KSRC/i386/compile/GENERIC)])])
144 AC_ARG_WITH([linux-kernel-packaging],
145     [AS_HELP_STRING([--with-linux-kernel-packaging],
146         [use standard naming conventions to aid Linux kernel build packaging
147          (disables MPS, sets the kernel module name to openafs.ko, and
148          installs kernel modules into the standard Linux location)])],
149     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
150      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
151     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
152 AC_ARG_ENABLE([kernel-module],
153     [AS_HELP_STRING([--disable-kernel-module],
154         [disable compilation of the kernel module (defaults to enabled)])],
155     , 
156     [enable_kernel_module="yes"])
157 AC_ARG_ENABLE([redhat-buildsys],
158     [AS_HELP_STRING([--enable-redhat-buildsys],
159         [enable compilation of the redhat build system kernel (defaults to
160          disabled)])],
161     ,
162     [enable_redhat_buildsys="no"])
163
164 dnl Installation locations.
165 AC_ARG_ENABLE([transarc-paths],
166     [AS_HELP_STRING([--enable-transarc-paths],
167         [use Transarc style paths like /usr/afs and /usr/vice])],
168     , 
169     [enable_transarc_paths="no"])
170
171 dnl Optimization and debugging flags.
172 AC_ARG_ENABLE([strip-binaries],
173     [AS_HELP_STRING([--disable-strip-binaries],
174         [disable stripping of symbol information from binaries (defaults to
175          enabled)])],
176     ,
177     [enable_strip_binaries="maybe"])
178 AC_ARG_ENABLE([debug],
179     [AS_HELP_STRING([--enable-debug],
180         [enable compilation of the user space code with debugging information
181          (defaults to disabled)])],
182     , 
183     [enable_debug="no"])
184 AC_ARG_ENABLE([optimize],
185     [AS_HELP_STRING([--disable-optimize],
186         [disable optimization for compilation of the user space code (defaults
187          to enabled)])],
188     , 
189     [enable_optimize="yes"])
190 AC_ARG_ENABLE([warnings],
191     [AS_HELP_STRING([--enable-warnings],
192         [enable compilation warnings when building with gcc (defaults to
193          disabled)])],
194     ,
195     [enable_warnings="no"])
196 AC_ARG_ENABLE([checking],
197     [AS_HELP_STRING([--enable-checking],
198         [turn compilation warnings into errors when building with gcc (defaults
199          to disabled)])],
200     [enable_checking="$enableval"],
201     [enable_checking="no"])
202 AC_ARG_ENABLE([debug-kernel],
203     [AS_HELP_STRING([--enable-debug-kernel],
204         [enable compilation of the kernel module with debugging information
205          (defaults to disabled)])],
206     ,
207     [enable_debug_kernel="no"])
208 AC_ARG_ENABLE([optimize-kernel],
209     [AS_HELP_STRING([--disable-optimize-kernel],
210         [disable compilation of the kernel module with optimization (defaults
211          based on platform)])],
212     , 
213     [enable_optimize_kernel="yes"])
214 AC_ARG_ENABLE([debug-lwp],
215     [AS_HELP_STRING([--enable-debug-lwp],
216         [enable compilation of the LWP code with debugging information
217          (defaults to disabled)])],
218     ,
219     [enable_debug_lwp="no"])
220 AC_ARG_ENABLE([optimize-lwp],
221     [AS_HELP_STRING([--disable-optimize-lwp],
222         [disable optimization for compilation of the LWP code (defaults to
223          enabled)])],
224     ,
225     [enable_optimize_lwp="yes"])
226 AC_ARG_ENABLE([debug-pam],
227     [AS_HELP_STRING([--enable-debug-pam],
228         [enable compilation of the PAM code with debugging information
229          (defaults to disabled)])],
230     ,
231     [enable_debug_pam="no"])
232 AC_ARG_ENABLE([optimize-pam],
233     [AS_HELP_STRING([--disable-optimize-pam],
234         [disable optimization for compilation of the PAM code (defaults to
235          enabled)])],
236     ,
237     [enable_optimize_pam="yes"])
238 AC_ARG_ENABLE([linux-syscall-probing],
239     [AS_HELP_STRING([--enable-linux-syscall-probing],
240         [enable Linux syscall probing (defaults to autodetect)])],
241     ,
242     [enable_linux_syscall_probing="maybe"])
243     
244
245 AC_ARG_WITH([xslt-processor],
246         AS_HELP_STRING([--with-xslt-processor=ARG],
247         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
248         XSLTPROC="$withval",
249         XSLTPROC="libxslt")
250
251 AC_ARG_WITH([html-xsl], 
252         AS_HELP_STRING([--with-html-xsl],
253         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
254         HTML_XSL="$withval",
255         HTML_XSL=no)
256
257 enable_login="no"
258
259 dnl weird ass systems
260 dnl AC_AIX
261 AC_ISC_POSIX
262 dnl AC_MINIX
263
264 dnl Various compiler setup.
265 AC_TYPE_PID_T
266 AC_TYPE_SIZE_T
267
268 dnl Checks for programs.
269 AC_PROG_INSTALL
270 AC_PROG_LN_S
271 AC_PROG_RANLIB
272 AC_PROG_YACC
273 AM_PROG_LEX
274
275 OPENAFS_CHECK_BIGENDIAN
276 OPENAFS_PRINTF_TAKES_Z_LEN
277
278 AC_MSG_CHECKING(your OS)
279 system=$host
280 case $system in
281         *-linux*)
282
283                 MKAFS_OSTYPE=LINUX
284                 if test "x$enable_redhat_buildsys" = "xyes"; then
285                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
286                 fi
287                 if test "x$enable_kernel_module" = "xyes"; then
288                  if test "x$with_linux_kernel_headers" != "x"; then
289                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
290                  else
291                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
292                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
293                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
294                    fi
295                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
296                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
297                    fi
298                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
299                      LINUX_KERNEL_PATH="/usr/src/linux"
300                    fi
301                  fi
302                  if test "x$with_linux_kernel_build" != "x"; then
303                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
304                  else
305                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
306                  fi
307                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
308                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
309                    LINUX_VERSION="$linux_kvers"
310                  else
311                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
312                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
313                      LINUX_VERSION="$linux_kvers"
314                    else
315                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
316                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
317                        if test "x$linux_kvers" = "x"; then
318                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
319                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
320                            if test "x$linux_kvers" = "x"; then
321                              AC_MSG_ERROR(Linux headers lack version definition [2])
322                              exit 1
323                            else
324                              LINUX_VERSION="$linux_kvers"
325                            fi
326                          else
327                            AC_MSG_ERROR(Linux headers lack version definition)
328                            exit 1
329                          fi
330                        else
331                          LINUX_VERSION="$linux_kvers"
332                        fi
333                      else
334                        enable_kernel_module="no"
335                      fi
336                    fi
337                  fi
338                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
339                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
340                      enable_kernel_module="no"
341                  fi
342                  if test "x$enable_kernel_module" = "xno"; then
343                   if test "x$with_linux_kernel_headers" != "x"; then
344                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
345                    exit 1
346                   else
347                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
348                   fi
349                  fi
350                  dnl do we need to determine SUBARCH from autoconf.h
351                  SUBARCH=default
352                 fi
353                 AC_MSG_RESULT(linux)
354                 if test "x$enable_kernel_module" = "xyes"; then
355                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
356                  if test "x${AFS_SYSKVERS}" = "x"; then
357                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
358                  fi
359                 fi
360                 ;;
361         *-solaris*)
362                 MKAFS_OSTYPE=SOLARIS
363                 AC_MSG_RESULT(sun4)
364                 AC_PATH_PROG(SOLARISCC, [cc], ,
365                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
366                 SOLARIS_UFSVFS_HAS_DQRWLOCK
367                 SOLARIS_FS_HAS_FS_ROLLED
368                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
369                 ;;
370         *-sunos*)
371                 MKAFS_OSTYPE=SUNOS
372                 enable_kernel_module=no
373                 AC_MSG_RESULT(sun4)
374                 ;;
375         *-hpux*)
376                 MKAFS_OSTYPE=HPUX
377                 AC_MSG_RESULT(hp_ux)
378                 if test -f "/usr/old/usr/include/ndir.h"; then
379                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
380                 fi
381                 ;;
382         *-irix*)
383                 if test -d /usr/include/sys/SN/SN1; then
384                  IRIX_BUILD_IP35="IP35"
385                 fi
386                 MKAFS_OSTYPE=IRIX
387                 AC_MSG_RESULT(sgi)
388                 ;;
389         *-aix*)
390                 MKAFS_OSTYPE=AIX
391                 AC_MSG_RESULT(rs_aix)
392                 ;;
393         arm-*-darwin*)
394                 MKAFS_OSTYPE=DARWIN
395                 AC_MSG_RESULT(arm_darwin)
396                 ;;
397         powerpc-*-darwin*)
398                 MKAFS_OSTYPE=DARWIN
399                 AC_MSG_RESULT(ppc_darwin)
400                 ;;
401         i386-*-darwin*)
402                 MKAFS_OSTYPE=DARWIN
403                 AC_MSG_RESULT(x86_darwin)
404                 ;;
405         x86_64-*-darwin*)
406                 MKAFS_OSTYPE=DARWIN
407                 AC_MSG_RESULT(x86_darwin)
408                 ;;
409         i386-*-freebsd*)
410                 MKAFS_OSTYPE=FBSD
411                 AC_MSG_RESULT(i386_fbsd)
412                 ;;
413         x86_64-*-freebsd*)
414                 MKAFS_OSTYPE=FBSD
415                 AC_MSG_RESULT(amd64_fbsd)
416                 ;;
417         *-netbsd*)
418                 MKAFS_OSTYPE=NBSD
419                 AC_MSG_RESULT(nbsd)
420                 ;;
421         x86_64-*-openbsd*)
422                 MKAFS_OSTYPE=OBSD
423                 AC_MSG_RESULT(amd64_obsd)
424                 ;;
425         i386-*-openbsd*)
426                 MKAFS_OSTYPE=OBSD
427                 AC_MSG_RESULT(i386_obsd)
428                 ;;
429         *-dragonfly*)
430                 MKAFS_OSTYPE=DFBSD
431                 AC_MSG_RESULT(i386_dfbsd)
432                 ;;
433         *)
434                 AC_MSG_RESULT($system)
435                 ;;
436 esac
437
438 if test "x$with_afs_sysname" != "x"; then
439         AFS_SYSNAME="$with_afs_sysname"
440 else
441         AC_MSG_CHECKING(your AFS sysname)
442         case $host in
443                 i?86-*-openbsd?.?)
444                         v=${host#*openbsd}
445                         vM=${v%.*}
446                         vm=${v#*.}
447                         AFS_SYSNAME="i386_obsd${vM}${vm}"
448                         ;;
449                 sparc64-*-openbsd?.?)
450                         v=${host#*openbsd}
451                         vM=${v%.*}
452                         vm=${v#*.}
453                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
454                         ;;
455                 x86_64-*-openbsd?.?)
456                         v=${host#*openbsd}
457                         vM=${v%.*}
458                         vm=${v#*.}
459                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
460                         ;;
461                 i?86-*-freebsd?.*)
462                         v=${host#*freebsd}
463                         vM=${v%.*}
464                         vm=${v#*.}
465                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
466                         ;;
467                 x86_64-*-freebsd?.*)
468                         v=${host#*freebsd}
469                         vM=${v%.*}
470                         vm=${v#*.}
471                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
472                         ;;
473                 i386-*-dragonfly2.2*)
474                         AFS_SYSNAME="i386_dfbsd_23"
475                         ;;
476                 i386-*-dragonfly2.3*)
477                         AFS_SYSNAME="i386_dfbsd_23"
478                         ;;
479                 i?86-*-netbsd*1.6[[M-Z]]*)
480                         AFS_SYSNAME="i386_nbsd20"
481                         ;;
482                 powerpc-*-netbsd*1.6[[M-Z]]*)
483                         AFS_SYSNAME="ppc_nbsd20"
484                         ;;
485                 *-*-netbsd*)
486                         arch=${host%%-unknown*}
487                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
488                                                -e 's/powerpc/ppc/g')
489                         v=${host#*netbsd}
490                         v=${v#*aout}
491                         v=${v#*ecoff}
492                         v=${v#*elf}
493                         vM=${v%%.*}
494                         vM=${vM%.*}
495                         v=${v#*.}
496                         vm=${v%%.*}
497                         vm=${vm%.*}
498                         vm=${vm%%[[_A-Z]]*}
499                         if test $vm -eq 99 ; then
500                                 vM=$((vM+1))
501                         fi
502                         if test $vM -gt 1 ; then
503                                 vm=0
504                         fi
505                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
506                         ;;
507                 hppa*-hp-hpux11.0*)
508                         AFS_SYSNAME="hp_ux110"
509                         ;;
510                 hppa*-hp-hpux11.11)
511                         AFS_SYSNAME="hp_ux11i"
512                         ;;
513                 hppa*-hp-hpux11.23)
514                         AFS_SYSNAME="hp_ux1123"
515                         ;;
516                 ia64-hp-hpux11.22)
517                         AFS_SYSNAME="ia64_hpux1122"
518                         ;;
519                 ia64-hp-hpux*)
520                         AFS_SYSNAME="ia64_hpux1123"
521                         ;;
522                 hppa*-hp-hpux10*)
523                         AFS_SYSNAME="hp_ux102"
524                         ;;
525                 powerpc-apple-darwin7*)
526                         AFS_SYSNAME="ppc_darwin_70"
527                         ;;
528                 powerpc-apple-darwin8.*)
529                         AFS_SYSNAME="ppc_darwin_80"
530                         ;;
531                 i386-apple-darwin8.*)
532                         AFS_SYSNAME="x86_darwin_80"
533                         ;;
534                 powerpc-apple-darwin9.*)
535                         AFS_SYSNAME="ppc_darwin_90"
536                         ;;
537                 i386-apple-darwin9.*)
538                         AFS_SYSNAME="x86_darwin_90"
539                         ;;
540                 i?86-apple-darwin10.*)
541                         AFS_SYSNAME="x86_darwin_100"
542                         ;;
543                 x86_64-apple-darwin10.*)
544                         AFS_SYSNAME="x86_darwin_100"
545                         ;;
546                 sparc-sun-solaris2.5*)
547                         AFS_SYSNAME="sun4x_55"
548                         enable_login="yes"
549                         ;;
550                 sparc-sun-solaris2.6)
551                         AFS_SYSNAME="sun4x_56"
552                         ;;
553                 sparc-sun-solaris2.7)
554                         AFS_SYSNAME="sun4x_57"
555                         ;;
556                 sparc-sun-solaris2.8)
557                         AFS_SYSNAME="sun4x_58"
558                         ;;
559                 sparc-sun-solaris2.9)
560                         AFS_SYSNAME="sun4x_59"
561                         ;;
562                 sparc-sun-solaris2.10)
563                         AFS_SYSNAME="sun4x_510"
564                         ;;
565                 sparc-sun-solaris2.11)
566                         AFS_SYSNAME="sun4x_511"
567                         ;;
568                 sparc-sun-sunos4*)
569                         AFS_SYSNAME="sun4_413"
570                         enable_login="yes"
571                         ;;
572                 i386-pc-solaris2.7)
573                         AFS_SYSNAME="sunx86_57"
574                         ;;
575                 i386-pc-solaris2.8)
576                         AFS_SYSNAME="sunx86_58"
577                         ;;
578                 i386-pc-solaris2.9)
579                         AFS_SYSNAME="sunx86_59"
580                         ;;
581                 i386-pc-solaris2.10)
582                         AFS_SYSNAME="sunx86_510"
583                         ;;
584                 i386-pc-solaris2.11)
585                         AFS_SYSNAME="sunx86_511"
586                         ;;
587                 alpha*-dec-osf4.0*)
588                         AFS_SYSNAME="alpha_dux40"
589                         ;;
590                 alpha*-dec-osf5.0*)
591                         AFS_SYSNAME="alpha_dux50"
592                         ;;
593                 alpha*-dec-osf5.1*)
594                         AFS_SYSNAME="alpha_dux51"
595                         ;;
596                 mips-sgi-irix6.5)
597                         AFS_SYSNAME="sgi_65"
598                         ;;
599                 ia64-*-linux*)
600                         AFS_SYSNAME="ia64_linuxXX"
601                         ;;
602                 powerpc-*-linux*)
603                         AFS_SYSNAME="`/bin/arch`_linuxXX"
604                         ;;
605                 powerpc64-*-linux*)
606                         AFS_SYSNAME="ppc64_linuxXX"
607                         ;;
608                 alpha*-linux*)
609                         AFS_SYSNAME="alpha_linux_XX"
610                         ;;
611                 s390-*-linux*)
612                         AFS_SYSNAME="s390_linuxXX"
613                         ;;
614                 s390x-*-linux*)
615                         AFS_SYSNAME="s390x_linuxXX"
616                         ;;
617                 sparc-*-linux*)
618                         AFS_SYSNAME="`/bin/arch`_linuxXX"
619                         ;;
620                 sparc64-*-linux*)
621                         AFS_SYSNAME="sparc64_linuxXX"
622                         ;;
623                 i?86-*-linux*)
624                         AFS_SYSNAME="i386_linuxXX"
625                         ;;
626                 arm*-linux*)
627                         AFS_SYSNAME="arm_linuxXX"
628                         ;;
629                 parisc-*-linux-gnu|hppa-*-linux-gnu)
630                         AFS_SYSNAME="parisc_linuxXX"
631                         enable_pam="no"
632                         ;;
633                 power*-ibm-aix4.2*)
634                         AFS_SYSNAME="rs_aix42"
635                         enable_pam="no"
636                         ;;
637                 power*-ibm-aix4.3*)
638                         AFS_SYSNAME="rs_aix42"
639                         enable_pam="no"
640                         ;;
641                 power*-ibm-aix5.1*)
642                         AFS_SYSNAME="rs_aix51"
643                         enable_pam="no"
644                         ;;
645                 power*-ibm-aix5.2*)
646                         AFS_SYSNAME="rs_aix52"
647                         enable_pam="no"
648                         ;;
649                 power*-ibm-aix5.3*)
650                         AFS_SYSNAME="rs_aix53"
651                         enable_pam="no"
652                         ;;
653                 power*-ibm-aix6.1*)
654                         AFS_SYSNAME="rs_aix61"
655                         enable_pam="no"
656                         ;;
657                 x86_64-*-linux-gnu)
658                         AFS_SYSNAME="amd64_linuxXX"
659                         enable_pam="yes"
660                         ;;
661                 *)
662                         AC_MSG_ERROR(An AFS sysname is required)
663                         exit 1
664                         ;;
665         esac
666         case $AFS_SYSNAME in
667                 *_linux* | *_umlinux*)
668                         if test "x${AFS_SYSKVERS}" = "x"; then
669                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
670                         fi
671                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
672                         AFS_SYSNAME="$_AFS_SYSNAME"
673                         AC_TRY_KBUILD(
674                          [],
675                          [#ifndef CONFIG_USERMODE
676                           #error not UML
677                           #endif],
678                          ac_cv_linux_is_uml=yes,)
679                         if test "${ac_cv_linux_is_uml}" = yes; then
680                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
681                         fi
682                         AFS_SYSNAME="$_AFS_SYSNAME"
683                         ;;
684         esac
685         AC_MSG_RESULT($AFS_SYSNAME)
686 fi
687
688 case $AFS_SYSNAME in
689         *_darwin*)
690                 AC_CHECK_HEADERS(crt_externs.h)
691                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
692                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
693                 ;;
694 esac
695
696 dnl Some hosts have a separate common param file they should include.  Figure
697 dnl out if we're on one of them now that we know the sysname.
698 case $AFS_SYSNAME in
699     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
700     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
701     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
702     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
703     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
704     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
705     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
706     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
707     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
708     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
709     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
710     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
711     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
712     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
713     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
714     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
715     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
716     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
717     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
718     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
719     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
720     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
721     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
722     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
723     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
724     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
725 # Linux alpha adds an extra underscore for no good reason.
726     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
727     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
728     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
729 esac
730
731 case $AFS_SYSNAME in *_linux* | *_umlinux*)
732
733                 # Add (sub-) architecture-specific paths needed by conftests
734                 case $AFS_SYSNAME  in
735                         *_umlinux26)
736                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
737                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
738                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
739                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
740                 esac
741
742                 if test "x$enable_kernel_module" = "xyes"; then
743                  if test "x$enable_debug_kernel" = "xno"; then
744                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
745                  fi
746                  OPENAFS_GCC_SUPPORTS_MARCH
747                  AC_SUBST(P5PLUS_KOPTS)
748                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
749                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
750                  OPENAFS_GCC_SUPPORTS_NO_COMMON
751                  OPENAFS_GCC_SUPPORTS_PIPE
752                  AC_SUBST(LINUX_GCC_KOPTS)
753
754                  dnl Setup the kernel build environment
755                  LINUX_KBUILD_USES_EXTRA_CFLAGS
756                  LINUX_KERNEL_COMPILE_WORKS
757
758                  dnl Check for header files
759                  AC_CHECK_LINUX_HEADER([config.h])
760                  AC_CHECK_LINUX_HEADER([completion.h])
761                  AC_CHECK_LINUX_HEADER([exportfs.h])
762                  AC_CHECK_LINUX_HEADER([freezer.h])
763                  AC_CHECK_LINUX_HEADER([key-type.h])
764                  AC_CHECK_LINUX_HEADER([semaphore.h])
765                  AC_CHECK_LINUX_HEADER([seq_file.h])
766
767                  dnl Check for structure elements
768                  AC_CHECK_LINUX_STRUCT([address_space_operations],
769                                        [write_begin], [fs.h])
770                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
771                                        [backing-dev.h])
772                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
773                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
774                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
775                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
776                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
777                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
778                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
779                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
780                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
781                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
782                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
783                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
784                                        [fs.h])
785                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
786                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
787                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
788                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
789                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
790                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
791                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
792                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
793                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
794                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
795                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
796
797                  dnl Function existence checks
798
799                  AC_CHECK_LINUX_FUNC([bdi_init],
800                                      [#include <linux/backing-dev.h>],
801                                      [bdi_init(NULL);])
802                  AC_CHECK_LINUX_FUNC([PageChecked],
803                                      [#include <linux/mm.h>
804 #include <linux/page-flags.h>],
805                                      [struct page *_page;
806                                       int bchecked = PageChecked(_page);])
807                  AC_CHECK_LINUX_FUNC([PageFsMisc],
808                                      [#include <linux/mm.h>
809 #include <linux/page-flags.h>],
810                                      [struct page *_page;
811                                       int bchecked = PageFsMisc(_page);])
812                  AC_CHECK_LINUX_FUNC([current_kernel_time],
813                                      [#include <linux/time.h>],
814                                      [struct timespec s;
815                                       s = current_kernel_time();])
816                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
817                                      [#include <linux/dcache.h>],
818                                      [d_alloc_anon(NULL);])
819                  AC_CHECK_LINUX_FUNC([do_sync_read],
820                                      [#include <linux/fs.h>],
821                                      [do_sync_read(NULL, NULL, 0, NULL);])
822                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
823                                      [#include <linux/sched.h>],
824                                      [pid_t p; find_task_by_pid(p);])
825                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
826                                      [#include <linux/fs.h>],
827                                      [generic_file_aio_read(NULL,NULL,0,0);])
828                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
829                                      [#include <linux/pagemap.h>],
830                                      [grab_cache_page_write_begin(NULL, 0, 0);])
831                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
832                                      [#include <linux/list.h>],
833                                      [hlist_unhashed(0);])
834                  AC_CHECK_LINUX_FUNC([i_size_read],
835                                      [#include <linux/fs.h>],
836                                      [i_size_read(NULL);])
837                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
838                                      [#include <linux/net.h>],
839                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
840                  AC_CHECK_LINUX_FUNC([page_follow_link],
841                                      [#include <linux/fs.h>],
842                                      [page_follow_link(0,0);])
843                  AC_CHECK_LINUX_FUNC([page_offset],
844                                      [#include <linux/pagemap.h>],
845                                      [page_offset(NULL);])
846                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
847                                      [#include <linux/pagevec.h>],
848                                      [__pagevec_lru_add_file(NULL);])
849                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
850                                      [#include <linux/rcupdate.h>],
851                                      [rcu_read_lock();])
852                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
853                                      [#include <linux/splice.h>],
854                                      [splice_direct_to_actor(NULL,NULL,NULL);])
855                  AC_CHECK_LINUX_FUNC([svc_addr_in],
856                                      [#include <linux/sunrpc/svc.h>],
857                                      [svc_addr_in(NULL);])
858                  AC_CHECK_LINUX_FUNC([zero_user_segments],
859                                      [#include <linux/highmem.h>],
860                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
861
862                  dnl Consequences - things which get set as a result of the
863                  dnl                above tests
864                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
865                        [AC_DEFINE([AFS_NONFSTRANS], 1,
866                                   [define to disable the nfs translator])])
867
868                  dnl Assorted more complex tests
869                  LINUX_EXPORTS_PROC_ROOT_FS
870                  LINUX_KMEM_CACHE_INIT
871                  LINUX_HAVE_KMEM_CACHE_T
872                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
873                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
874                  LINUX_D_PATH_TAKES_STRUCT_PATH
875                  LINUX_NEW_EXPORT_OPS
876                  LINUX_INODE_SETATTR_RETURN_TYPE
877                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
878                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
879                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
880                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
881                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
882                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
883                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
884                  LINUX_AOP_WRITEBACK_CONTROL
885                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
886                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
887                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
888                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
889                  LINUX_KERNEL_SOCK_CREATE
890                  LINUX_EXPORTS_KEY_TYPE_KEYRING
891                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
892                  LINUX_NEED_RHCONFIG
893                  LINUX_RECALC_SIGPENDING_ARG_TYPE
894                  LINUX_EXPORTS_TASKLIST_LOCK
895                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
896                  LINUX_STATFS_TAKES_DENTRY
897                  LINUX_REFRIGERATOR
898                  LINUX_HAVE_TRY_TO_FREEZE
899                  LINUX_LINUX_KEYRING_SUPPORT
900                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
901                  LINUX_KEY_ALLOC_NEEDS_CRED
902                  LINUX_INIT_WORK_HAS_DATA
903                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
904
905                  dnl If we are guaranteed that keyrings will work - that is
906                  dnl  a) The kernel has keyrings enabled
907                  dnl  b) The code is new enough to give us a key_type_keyring
908                  dnl then we just disable syscall probing unless we've been
909                  dnl told otherwise
910
911                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
912                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
913                           [enable_linux_syscall_probing="no"],
914                           [enable_linux_syscall_probing="yes"])
915                  ])
916
917                  dnl Syscall probing needs a few tests of its own, and just
918                  dnl won't work if the kernel doesn't export init_mm
919                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
920                    LINUX_EXPORTS_INIT_MM
921                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
922                      AC_MSG_ERROR(
923                        [Can't do syscall probing without exported init_mm])
924                    ])
925                    LINUX_EXPORTS_SYS_CHDIR
926                    LINUX_EXPORTS_SYS_OPEN
927                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
928                              [define to enable syscall table probes])
929                  ])
930
931                  dnl Packaging and SMP build
932                  if test "x$with_linux_kernel_packaging" = "xno" ; then
933                    LINUX_WHICH_MODULES
934                  else
935                    AC_SUBST(MPS,'SP')
936                  fi
937
938                  dnl Syscall probing
939                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
940                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
941                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
942                    ])
943                    ac_cv_linux_exports_sys_call_table=no
944                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
945                      ac_cv_linux_exports_ia32_sys_call_table=yes
946                    fi
947                  else
948                    LINUX_EXPORTS_KALLSYMS_ADDRESS
949                    LINUX_EXPORTS_KALLSYMS_SYMBOL
950                    LINUX_EXPORTS_SYS_CALL_TABLE
951                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
952                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
953                          linux_syscall_method=none
954                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
955                             linux_syscall_method=scan
956                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
957                                linux_syscall_method=scan_with_kallsyms_address
958                             fi
959                          fi
960                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
961                             linux_syscall_method=kallsyms_symbol
962                          fi
963                          if test "x$linux_syscall_method" = "xnone"; then
964                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
965                             linux_syscall_method=scan
966                          fi
967                    fi
968                  fi
969                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
970                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
971                  fi
972                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
973                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
974                  fi
975                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
976                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
977                  else
978                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
979                  fi
980                 :
981                 fi
982 dnl Linux-only, but just enable always.
983                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
984 esac
985
986 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
987     [ac_cv_sockaddr_len],
988     [AC_TRY_COMPILE( [#include <sys/types.h>
989 #include <sys/socket.h>],
990                      [struct sockaddr *a; a->sa_len=0;],
991                      [ac_cv_sockaddr_len=yes],
992                      [ac_cv_sockaddr_len=no])
993 ])
994 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
995       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
996                  [define if you struct sockaddr sa_len])])
997
998 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
999         echo Skipping library tests because they confuse Irix.
1000 else
1001   AC_SEARCH_LIBS([socket], [socket inet])
1002   AC_SEARCH_LIBS([connect], [nsl])
1003   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1004
1005   dnl darwin wants it, aix hates it
1006   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1007   AC_TRY_COMPILE([
1008   #include <stdlib.h>
1009   #include <stdio.h>
1010   #include <sys/types.h>
1011   #include <sys/socket.h>
1012   #include <netinet/in.h>
1013   #include <arpa/inet.h>
1014   #include <arpa/nameser.h>
1015   #include <arpa/nameser_compat.h>
1016   #include <resolv.h>
1017   ], [static int i; i = 0;],
1018   [AC_MSG_RESULT(yes)
1019    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1020   [AC_MSG_RESULT(no)
1021    ])
1022
1023   openafs_save_libs="$LIBS"
1024   AC_MSG_CHECKING([for res_search])
1025   AC_FUNC_RES_SEARCH
1026
1027   if test "$ac_cv_func_res_search" = no; then
1028       for lib in dns nsl resolv; do
1029         if test "$ac_cv_func_res_search" != yes; then
1030           LIBS="-l$lib $LIBS"
1031           AC_FUNC_RES_SEARCH
1032           LIBS="$openafs_save_libs"
1033         fi
1034       done    
1035       if test "$ac_cv_func_res_search" = yes; then
1036         LIB_AFSDB="-l$lib"
1037         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1038         AC_MSG_RESULT([yes, in lib$lib])
1039       else
1040         AC_MSG_RESULT(no)
1041       fi
1042   else
1043     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1044     AC_MSG_RESULT(yes)
1045   fi
1046   
1047 fi
1048
1049 AC_CHECK_RESOLV_RETRANS
1050
1051 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1052     [ac_cv_setsockopt_iprecverr],
1053     [AC_TRY_COMPILE( [
1054 #include <sys/types.h>
1055 #include <sys/socket.h>
1056 #include <netinet/in.h>],
1057 [int on=1;
1058 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1059         [ac_cv_setsockopt_iprecverr=yes],
1060         [ac_cv_setsockopt_iprecverr=no])])
1061
1062 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1063       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1064                  [define if asynchronous socket errors can be received])])
1065
1066 PTHREAD_LIBS=error
1067 if test "x$MKAFS_OSTYPE" = OBSD; then
1068         PTHREAD_LIBS="-pthread"
1069 fi
1070 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1071         PTHREAD_LIBS="-pthread"
1072 fi
1073 if test "x$PTHREAD_LIBS" = xerror; then
1074         AC_CHECK_LIB(pthread, pthread_attr_init,
1075                 PTHREAD_LIBS="-lpthread")
1076 fi
1077 if test "x$PTHREAD_LIBS" = xerror; then
1078         AC_CHECK_LIB(pthreads, pthread_attr_init,
1079                 PTHREAD_LIBS="-lpthreads")
1080 fi
1081 if test "x$PTHREAD_LIBS" = xerror; then
1082         AC_CHECK_LIB(c_r, pthread_attr_init,
1083                 PTHREAD_LIBS="-lc_r")
1084 fi
1085 if test "x$PTHREAD_LIBS" = xerror; then
1086         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1087 fi
1088 if test "x$PTHREAD_LIBS" = xerror; then
1089         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1090         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1091                 PTHREAD_LIBS="-lpthread")
1092 fi
1093 if test "x$PTHREAD_LIBS" = xerror; then
1094         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1095 fi
1096 AC_SUBST(PTHREAD_LIBS)
1097
1098 HOST_CPU="$host_cpu"
1099
1100 if test "x$with_bsd_kernel_headers" != "x"; then
1101         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1102 else
1103         BSD_KERNEL_PATH="/usr/src/sys"
1104 fi
1105
1106 if test "x$with_bsd_kernel_build" != "x"; then
1107         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1108 else
1109         case $AFS_SYSNAME in
1110                 *_fbsd_*)
1111                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1112                         ;;
1113                 *_nbsd*)
1114                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1115         esac
1116 fi
1117
1118 # Fast restart
1119 if test "$enable_supergroups" = "yes"; then
1120         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1121 fi
1122
1123 if test "$enable_bitmap_later" = "yes"; then
1124         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1125 fi
1126
1127 if test "$enable_demand_attach_fs" = "yes"; then
1128         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1129         DEMAND_ATTACH="yes"
1130 else
1131         DEMAND_ATTACH="no"
1132 fi
1133 AC_SUBST(DEMAND_ATTACH)
1134
1135 if test "$enable_unix_sockets" = "yes"; then
1136         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1137         USE_UNIX_SOCKETS="yes"
1138 else
1139         USE_UNIX_SOCKETS="no"
1140 fi
1141 AC_SUBST(USE_UNIX_SOCKETS)
1142
1143 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1144    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1145         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1146    fi
1147 fi
1148
1149 if test "$enable_namei_fileserver" = "yes"; then
1150         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1151         VFSCK=""
1152 else
1153         if test "$enable_namei_fileserver" = "default"; then
1154                 case $host in
1155                         *-solaris2.10*)
1156                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1157                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1158                                 VFSCK=""
1159                                 ;;
1160                         *-solaris2.11*)
1161                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1162                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1163                                 VFSCK=""
1164                                 ;;
1165                         *)
1166                                 VFSCK="vfsck"
1167                                 ;;
1168                 esac
1169         else
1170                 VFSCK="vfsck"
1171         fi
1172 fi
1173
1174 dnl check for tivoli
1175 AC_MSG_CHECKING(for tivoli tsm butc support)
1176 XBSA_CFLAGS=""
1177 if test "$enable_tivoli_tsm" = "yes"; then
1178         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1179         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1180         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1181         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1182
1183         if test -r "$XBSADIR3/dsmapifp.h"; then
1184                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1185                 XBSA_XLIBS="-ldl"
1186                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1187         elif test -r "$XBSADIR4/dsmapifp.h"; then
1188                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1189                 XBSA_XLIBS="-ldl"
1190                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1191         elif test -r "$XBSADIR1/xbsa.h"; then
1192                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1193                 XBSA_XLIBS=""
1194                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1195         elif test -r "$XBSADIR2/xbsa.h"; then
1196                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1197                 XBSA_XLIBS=""
1198                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1199         else
1200                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1201         fi
1202 else
1203         AC_MSG_RESULT([no])
1204 fi
1205 AC_SUBST(XBSA_CFLAGS)
1206 AC_SUBST(XBSA_XLIBS) 
1207
1208 dnl checks for header files.
1209 AC_HEADER_STDC
1210 AC_HEADER_SYS_WAIT
1211 AC_HEADER_DIRENT
1212 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1213 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1214 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1215 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1216 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h)
1217 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1218 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1219 AC_CHECK_HEADERS(et/com_err.h)
1220
1221 AC_CHECK_TYPES([fsblkcnt_t],,,[
1222 #include <sys/types.h>
1223 #ifdef HAVE_SYS_BITYPES_H
1224 #include <sys/bitypes.h>
1225 #endif
1226 #ifdef HAVE_SYS_STATFS_H
1227 #include <sys/statfs.h>
1228 #endif
1229 #ifdef HAVE_SYS_STATVFS_H
1230 #include <sys/statvfs.h>
1231 #endif
1232 ])
1233
1234 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1235
1236 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1237 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1238         case $AFS_SYSNAME in
1239         sgi_*)
1240                 HAVE_PAM="no"
1241                 ;;
1242         *)
1243                 HAVE_PAM="yes"
1244                 ;;
1245         esac
1246 else
1247         HAVE_PAM="no"
1248 fi
1249 AC_SUBST(HAVE_PAM)
1250
1251 if test "$enable_login" = yes; then
1252         BUILD_LOGIN="yes"
1253 else
1254         BUILD_LOGIN="no"
1255 fi
1256 AC_SUBST(BUILD_LOGIN)
1257
1258 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock getrlimit)
1259 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1260 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1261 AC_CHECK_FUNCS(regcomp regexec regerror)
1262 AC_CHECK_FUNCS(fseeko64 ftello64)
1263 AC_MSG_CHECKING([for POSIX regex library])
1264 if test "$ac_cv_header_regex_h" = "yes" && \
1265         test "$ac_cv_func_regcomp" = "yes" && \
1266         test "$ac_cv_func_regexec" = "yes" && \
1267         test "$ac_cv_func_regerror" = "yes"; then
1268     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1269     AC_MSG_RESULT(yes)
1270 else
1271     AC_MSG_RESULT(no)
1272 fi
1273
1274 AC_TYPE_SIGNAL
1275 AC_CHECK_SIZEOF(void *)
1276 AC_CHECK_SIZEOF(unsigned long long)
1277 AC_CHECK_SIZEOF(unsigned long)
1278 AC_CHECK_SIZEOF(unsigned int)
1279 AC_TYPE_INTPTR_T
1280 AC_TYPE_UINTPTR_T
1281 AC_TYPE_SSIZE_T
1282 AC_CHECK_TYPE([sig_atomic_t],[],
1283     [AC_DEFINE([sig_atomic_t], [int],
1284         [Define to int if <signal.h> does not define.])],
1285 [#include <sys/types.h>
1286 #include <signal.h>])
1287 AC_CHECK_TYPE([socklen_t],[],
1288     [AC_DEFINE([socklen_t], [int],
1289         [Define to int if <sys/socket.h> does not define.])],
1290 [#include <sys/types.h>
1291 #include <sys/socket.h>])
1292 AC_CHECK_TYPES(off64_t)
1293 AC_SIZEOF_TYPE(long)
1294
1295 AC_HEADER_PAM_CONST
1296
1297 AC_CHECK_FUNCS(timegm)
1298 AC_CHECK_FUNCS(daemon)
1299
1300 dnl Directory PATH handling
1301 if test "x$enable_transarc_paths" = "xyes"  ; then 
1302     afsconfdir=${afsconfdir=/usr/afs/etc}
1303     viceetcdir=${viceetcdir=/usr/vice/etc}
1304     afskerneldir=${afskerneldir=${viceetcdir}}
1305     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1306     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1307     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1308     afsdbdir=${afsdbdir=/usr/afs/db}
1309     afslogsdir=${afslogsdir=/usr/afs/logs}
1310     afslocaldir=${afslocaldir=/usr/afs/local}
1311     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1312     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1313     afsdatadir=${afsdatadir=/usr/vice/etc}
1314 else 
1315     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1316     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1317     afskerneldir=${afskerneldir='${libdir}/openafs'}
1318     afssrvbindir=${afssrvbindir='${bindir}'}
1319     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1320     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1321     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1322     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1323     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1324     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1325     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1326     afsdatadir=${afsdatadir='${datadir}/openafs'}
1327 fi
1328 AC_SUBST(afsconfdir)
1329 AC_SUBST(viceetcdir)
1330 AC_SUBST(afskerneldir)
1331 AC_SUBST(afssrvbindir)
1332 AC_SUBST(afssrvsbindir)
1333 AC_SUBST(afssrvlibexecdir)
1334 AC_SUBST(afsdbdir)
1335 AC_SUBST(afslogsdir)
1336 AC_SUBST(afslocaldir)
1337 AC_SUBST(afsbackupdir)
1338 AC_SUBST(afsbosconfigdir)
1339 AC_SUBST(afsdatadir)
1340
1341 if test "x$enable_kernel_module" = "xyes"; then
1342 ENABLE_KERNEL_MODULE=libafs
1343 fi
1344
1345 if test "x$enable_pthreaded_ubik" = "xyes"; then
1346 ENABLE_PTHREADED_UBIK=yes
1347 fi
1348
1349 AC_SUBST(VFSCK)
1350 AC_SUBST(AFS_SYSNAME)
1351 AC_SUBST(AFS_PARAM_COMMON)
1352 AC_SUBST(ENABLE_KERNEL_MODULE)
1353 AC_SUBST(ENABLE_PTHREADED_UBIK)
1354 AC_SUBST(LIB_AFSDB)
1355 AC_SUBST(LINUX_KERNEL_PATH)
1356 AC_SUBST(LINUX_KERNEL_BUILD)
1357 AC_SUBST(HOST_CPU)
1358 AC_SUBST(BSD_KERNEL_PATH)
1359 AC_SUBST(BSD_KERNEL_BUILD)
1360 AC_SUBST(LINUX_VERSION)
1361 AC_SUBST(MKAFS_OSTYPE)
1362 AC_SUBST(TOP_OBJDIR)
1363 AC_SUBST(TOP_SRCDIR)
1364 AC_SUBST(TOP_INCDIR)
1365 AC_SUBST(TOP_LIBDIR)
1366 AC_SUBST(DEST)
1367 AC_SUBST(DARWIN_INFOFILE)
1368 AC_SUBST(IRIX_BUILD_IP35)
1369 AC_SUBST(HTML_XSL)
1370 AC_SUBST(XSLTPROC)
1371
1372 OPENAFS_OSCONF
1373 OPENAFS_FUSE
1374
1375 TOP_SRCDIR="${srcdir}/src"
1376 dnl
1377 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1378 dnl
1379 case $TOP_SRCDIR in
1380         /*)
1381                 ;;
1382         *)
1383                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1384                 ;;
1385 esac
1386
1387 TOP_OBJDIR="${SRCDIR_PARENT}"
1388 TOP_INCDIR="${SRCDIR_PARENT}/include"
1389 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1390 if test "${DEST}x" = "x"; then
1391         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1392 fi
1393
1394 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1395 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1396 AC_SUBST(HELPER_SPLINT)
1397 AC_SUBST(HELPER_SPLINTCFG)
1398
1399 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1400
1401 ])