085cfba02bdfd17bf459815e86955fcbab120dcc
[openafs.git] / acinclude.m4
1 dnl This file contains the common configuration code which would
2 dnl otherwise be duplicated between configure and configure-libafs.
3 dnl
4 dnl NB: Because this code is a macro, references to positional shell
5 dnl parameters must be done like $[]1 instead of $1
6
7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
8 AH_BOTTOM([
9 #undef HAVE_RES_SEARCH
10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
12 # if ENDIANESS_IN_SYS_PARAM_H
13 #  ifndef KERNEL
14 #   include <sys/types.h>
15 #   include <sys/param.h>
16 #   if BYTE_ORDER == BIG_ENDIAN
17 #   define WORDS_BIGENDIAN 1
18 #   endif
19 #  else
20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
21 #    define WORDS_BIGENDIAN 1
22 #   else
23 #    undef WORDS_BIGENDIAN
24 #   endif
25 #  endif
26 # else
27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
28 #   define WORDS_BIGENDIAN 1
29 #  else
30 #   undef WORDS_BIGENDIAN
31 #  endif
32 # endif
33 #else
34 # if defined(__BIG_ENDIAN__)
35 #  define WORDS_BIGENDIAN 1
36 # else
37 #  undef WORDS_BIGENDIAN
38 # endif
39 #endif
40 #ifdef UKERNEL
41 /*
42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
43  * play nice with some other interfaces like FUSE. We technically only would
44  * need to define this when building for such interfaces, but set it always to
45  * try and reduce potential confusion. 
46  */
47 #define _FILE_OFFSET_BITS 64
48 #define AFS_CACHE_VNODE_PATH
49 #endif
50
51 #undef AFS_NAMEI_ENV
52 #undef BITMAP_LATER
53 #undef FAST_RESTART
54 #undef DEFINED_FOR_EACH_PROCESS
55 #undef DEFINED_PREV_TASK
56 #undef EXPORTED_SYS_CALL_TABLE
57 #undef EXPORTED_IA32_SYS_CALL_TABLE
58 #undef IRIX_HAS_MEM_FUNCS
59 #undef RECALC_SIGPENDING_TAKES_VOID
60 #undef STRUCT_FS_HAS_FS_ROLLED
61 #undef ssize_t
62 /* glue for RedHat kernel bug */
63 #undef ENABLE_REDHAT_BUILDSYS
64 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
65 #include "redhat-fix.h"
66 #endif])
67
68 AC_CANONICAL_HOST
69 SRCDIR_PARENT=`pwd`
70
71 #BOZO_SAVE_CORES pam
72
73 dnl System identity.
74 AC_ARG_WITH([afs-sysname],
75     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
76
77 dnl General feature options.
78 AC_ARG_ENABLE([pam],
79     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
80     ,
81     [enable_pam="yes"])
82 AC_ARG_ENABLE([gtx],
83     AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools]))
84 AC_ARG_ENABLE([namei-fileserver],
85     [AS_HELP_STRING([--enable-namei-fileserver],
86         [force compilation of namei fileserver in preference to inode
87          fileserver])],
88     , 
89     [enable_namei_fileserver="default"])
90 AC_ARG_ENABLE([supergroups],
91     [AS_HELP_STRING([--enable-supergroups],
92         [enable support for nested pts groups])],
93     , 
94     [enable_supergroups="no"])
95 AC_ARG_ENABLE([bitmap-later],
96     [AS_HELP_STRING([--enable-bitmap-later],
97         [enable fast startup of file server by not reading bitmap till
98          needed])],
99     , 
100     [enable_bitmap_later="no"])
101 AC_ARG_ENABLE([unix-sockets],
102     [AS_HELP_STRING([--disable-unix-sockets],
103         [disable use of unix domain sockets for fssync (defaults to enabled)])],
104     ,
105     [enable_unix_sockets="yes"])
106 AC_ARG_ENABLE([tivoli-tsm],
107     [AS_HELP_STRING([--enable-tivoli-tsm],
108         [enable use of the Tivoli TSM API libraries for butc support])],
109     , 
110     [enable_tivoli_tsm="no"])
111 AC_ARG_ENABLE([pthreaded-ubik],
112     [AS_HELP_STRING([--enable-pthreaded-ubik],
113         [enable installation of pthreaded ubik applications (defaults to
114          disabled)])],
115     ,
116     [enable_pthreaded_ubik="no"])
117
118 dnl Kernel module build options.
119 AC_ARG_WITH([linux-kernel-headers],
120     [AS_HELP_STRING([--with-linux-kernel-headers=path],
121         [use the kernel headers found at path (optional, defaults to
122          /usr/src/linux-2.4, then /usr/src/linux)])])
123 AC_ARG_WITH([linux-kernel-build],
124     [AS_HELP_STRING([--with-linux-kernel-build=path],
125         [use the kernel build found at path(optional, defaults to 
126         /usr/src/linux-2.4, then /usr/src/linux)])])
127 AC_ARG_WITH([bsd-kernel-headers],
128     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
129         [use the kernel headers found at path (optional, defaults to
130          /usr/src/sys)])])
131 AC_ARG_WITH([bsd-kernel-build],
132     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
133         [use the kernel build found at path (optional, defaults to
134          KSRC/i386/compile/GENERIC)])])
135 AC_ARG_WITH([linux-kernel-packaging],
136     [AS_HELP_STRING([--with-linux-kernel-packaging],
137         [use standard naming conventions to aid Linux kernel build packaging
138          (disables MPS, sets the kernel module name to openafs.ko, and
139          installs kernel modules into the standard Linux location)])],
140     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
141      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
142     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
143 AC_ARG_ENABLE([kernel-module],
144     [AS_HELP_STRING([--disable-kernel-module],
145         [disable compilation of the kernel module (defaults to enabled)])],
146     , 
147     [enable_kernel_module="yes"])
148 AC_ARG_ENABLE([redhat-buildsys],
149     [AS_HELP_STRING([--enable-redhat-buildsys],
150         [enable compilation of the redhat build system kernel (defaults to
151          disabled)])],
152     ,
153     [enable_redhat_buildsys="no"])
154
155 dnl Installation locations.
156 AC_ARG_ENABLE([transarc-paths],
157     [AS_HELP_STRING([--enable-transarc-paths],
158         [use Transarc style paths like /usr/afs and /usr/vice])],
159     , 
160     [enable_transarc_paths="no"])
161
162 dnl Optimization and debugging flags.
163 AC_ARG_ENABLE([strip-binaries],
164     [AS_HELP_STRING([--disable-strip-binaries],
165         [disable stripping of symbol information from binaries (defaults to
166          enabled)])],
167     ,
168     [enable_strip_binaries="maybe"])
169 AC_ARG_ENABLE([debug],
170     [AS_HELP_STRING([--enable-debug],
171         [enable compilation of the user space code with debugging information
172          (defaults to disabled)])],
173     , 
174     [enable_debug="no"])
175 AC_ARG_ENABLE([optimize],
176     [AS_HELP_STRING([--disable-optimize],
177         [disable optimization for compilation of the user space code (defaults
178          to enabled)])],
179     , 
180     [enable_optimize="yes"])
181 AC_ARG_ENABLE([warnings],
182     [AS_HELP_STRING([--enable-warnings],
183         [enable compilation warnings when building with gcc (defaults to
184          disabled)])],
185     ,
186     [enable_warnings="no"])
187 AC_ARG_ENABLE([checking],
188     [AS_HELP_STRING([--enable-checking],
189         [turn compilation warnings into errors when building with gcc (defaults
190          to disabled)])],
191     [enable_checking="$enableval"],
192     [enable_checking="no"])
193 AC_ARG_ENABLE([debug-kernel],
194     [AS_HELP_STRING([--enable-debug-kernel],
195         [enable compilation of the kernel module with debugging information
196          (defaults to disabled)])],
197     ,
198     [enable_debug_kernel="no"])
199 AC_ARG_ENABLE([optimize-kernel],
200     [AS_HELP_STRING([--disable-optimize-kernel],
201         [disable compilation of the kernel module with optimization (defaults
202          based on platform)])],
203     , 
204     [enable_optimize_kernel=""])
205 AC_ARG_ENABLE([debug-lwp],
206     [AS_HELP_STRING([--enable-debug-lwp],
207         [enable compilation of the LWP code with debugging information
208          (defaults to disabled)])],
209     ,
210     [enable_debug_lwp="no"])
211 AC_ARG_ENABLE([optimize-lwp],
212     [AS_HELP_STRING([--disable-optimize-lwp],
213         [disable optimization for compilation of the LWP code (defaults to
214          enabled)])],
215     ,
216     [enable_optimize_lwp="yes"])
217 AC_ARG_ENABLE([debug-pam],
218     [AS_HELP_STRING([--enable-debug-pam],
219         [enable compilation of the PAM code with debugging information
220          (defaults to disabled)])],
221     ,
222     [enable_debug_pam="no"])
223 AC_ARG_ENABLE([optimize-pam],
224     [AS_HELP_STRING([--disable-optimize-pam],
225         [disable optimization for compilation of the PAM code (defaults to
226          enabled)])],
227     ,
228     [enable_optimize_pam="yes"])
229 AC_ARG_ENABLE([linux-syscall-probing],
230     [AS_HELP_STRING([--enable-linux-syscall-probing],
231         [enable Linux syscall probing (defaults to autodetect)])],
232     ,
233     [enable_linux_syscall_probing="maybe"])
234     
235 AC_ARG_WITH([xslt-processor],
236         AS_HELP_STRING([--with-xslt-processor=ARG],
237         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
238         [XSLTPROC="$withval"],
239         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
240
241 AC_ARG_WITH([html-xsl], 
242         AS_HELP_STRING([--with-html-xsl],
243         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
244         [HTML_XSL="$withval"],
245         [HTML_XSL="html/chunk.xsl"])
246
247 AC_ARG_WITH([docbook2pdf],
248         AS_HELP_STRING([--with-docbook2pdf=ARG],
249         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
250         [DOCBOOK2PDF="$withval"],
251         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
252
253 AC_ARG_WITH([docbook-stylesheets],
254         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
255         [location of DocBook stylesheets (default is to search a set of likely paths)]),
256         [DOCBOOK_STYLESHEETS="$withval"],
257         OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
258         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
259                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
260         fi)
261
262 enable_login="no"
263
264 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
265 dnl documentation build.
266 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
267
268 dnl weird ass systems
269 dnl AC_AIX
270 AC_ISC_POSIX
271 dnl AC_MINIX
272
273 dnl Various compiler setup.
274 AC_TYPE_PID_T
275 AC_TYPE_SIZE_T
276
277 dnl Checks for programs.
278 AC_PROG_INSTALL
279 AC_PROG_LN_S
280 AC_PROG_RANLIB
281 AC_PROG_YACC
282 AM_PROG_LEX
283 dnl if we are flex, be lex-compatible
284 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
285
286 OPENAFS_FORCE_ABS_INSTALL
287 OPENAFS_CHECK_BIGENDIAN
288 OPENAFS_PRINTF_TAKES_Z_LEN
289
290 AC_MSG_CHECKING(your OS)
291 system=$host
292 case $system in
293         *-linux*)
294
295                 MKAFS_OSTYPE=LINUX
296                 if test "x$enable_redhat_buildsys" = "xyes"; then
297                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
298                 fi
299                 if test "x$enable_kernel_module" = "xyes"; then
300                  if test "x$with_linux_kernel_headers" != "x"; then
301                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
302                  else
303                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
304                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
305                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
306                    fi
307                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
308                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
309                    fi
310                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
311                      LINUX_KERNEL_PATH="/usr/src/linux"
312                    fi
313                  fi
314                  if test "x$with_linux_kernel_build" != "x"; then
315                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
316                  else
317                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
318                  fi
319                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
320                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
321                    LINUX_VERSION="$linux_kvers"
322                  else
323                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
324                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
325                      LINUX_VERSION="$linux_kvers"
326                    else
327                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
328                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
329                        if test "x$linux_kvers" = "x"; then
330                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
331                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
332                            if test "x$linux_kvers" = "x"; then
333                              AC_MSG_ERROR(Linux headers lack version definition [2])
334                              exit 1
335                            else
336                              LINUX_VERSION="$linux_kvers"
337                            fi
338                          else
339                            AC_MSG_ERROR(Linux headers lack version definition)
340                            exit 1
341                          fi
342                        else
343                          LINUX_VERSION="$linux_kvers"
344                        fi
345                      else
346                        enable_kernel_module="no"
347                      fi
348                    fi
349                  fi
350                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
351                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
352                      enable_kernel_module="no"
353                  fi
354                  if test "x$enable_kernel_module" = "xno"; then
355                   if test "x$with_linux_kernel_headers" != "x"; then
356                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
357                    exit 1
358                   else
359                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
360                   fi
361                  fi
362                  dnl do we need to determine SUBARCH from autoconf.h
363                  SUBARCH=default
364                 fi
365                 AC_MSG_RESULT(linux)
366                 if test "x$enable_kernel_module" = "xyes"; then
367                  case "$LINUX_VERSION" in
368                   2.2.*) AFS_SYSKVERS=22 ;;
369                   2.4.*) AFS_SYSKVERS=24 ;;
370                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
371                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
372                  esac
373                 fi
374                 ;;
375         *-solaris*)
376                 MKAFS_OSTYPE=SOLARIS
377                 AC_MSG_RESULT(sun4)
378                 AC_PATH_PROG(SOLARISCC, [cc], ,
379                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
380                 if test "x$SOLARISCC" = "x" ; then
381                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
382                 fi
383                 SOLARIS_UFSVFS_HAS_DQRWLOCK
384                 SOLARIS_FS_HAS_FS_ROLLED
385                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
386                 ;;
387         *-sunos*)
388                 MKAFS_OSTYPE=SUNOS
389                 enable_kernel_module=no
390                 AC_MSG_RESULT(sun4)
391                 ;;
392         *-hpux*)
393                 MKAFS_OSTYPE=HPUX
394                 AC_MSG_RESULT(hp_ux)
395                 if test -f "/usr/old/usr/include/ndir.h"; then
396                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
397                 fi
398                 ;;
399         *-irix*)
400                 if test -d /usr/include/sys/SN/SN1; then
401                  IRIX_BUILD_IP35="IP35"
402                 fi
403                 MKAFS_OSTYPE=IRIX
404                 AC_MSG_RESULT(sgi)
405                 ;;
406         *-aix*)
407                 MKAFS_OSTYPE=AIX
408                 AC_MSG_RESULT(rs_aix)
409                 ;;
410         arm-*-darwin*)
411                 MKAFS_OSTYPE=DARWIN
412                 AC_MSG_RESULT(arm_darwin)
413                 ;;
414         powerpc-*-darwin*)
415                 MKAFS_OSTYPE=DARWIN
416                 AC_MSG_RESULT(ppc_darwin)
417                 ;;
418         i386-*-darwin*)
419                 MKAFS_OSTYPE=DARWIN
420                 AC_MSG_RESULT(x86_darwin)
421                 ;;
422         x86_64-*-darwin*)
423                 MKAFS_OSTYPE=DARWIN
424                 AC_MSG_RESULT(x86_darwin)
425                 ;;
426         i386-*-freebsd*)
427                 MKAFS_OSTYPE=FBSD
428                 AC_MSG_RESULT(i386_fbsd)
429                 ;;
430         x86_64-*-freebsd*)
431                 MKAFS_OSTYPE=FBSD
432                 AC_MSG_RESULT(amd64_fbsd)
433                 ;;
434         *-netbsd*)
435                 MKAFS_OSTYPE=NBSD
436                 AC_MSG_RESULT(nbsd)
437                 ;;
438         x86_64-*-openbsd*)
439                 MKAFS_OSTYPE=OBSD
440                 AC_MSG_RESULT(amd64_obsd)
441                 ;;
442         i386-*-openbsd*)
443                 MKAFS_OSTYPE=OBSD
444                 AC_MSG_RESULT(i386_obsd)
445                 ;;
446         *-dragonfly*)
447                 MKAFS_OSTYPE=DFBSD
448                 AC_MSG_RESULT(i386_dfbsd)
449                 ;;
450         *)
451                 AC_MSG_RESULT($system)
452                 ;;
453 esac
454
455 if test "x$with_afs_sysname" != "x"; then
456         AFS_SYSNAME="$with_afs_sysname"
457 else
458         AC_MSG_CHECKING(your AFS sysname)
459         case $host in
460                 i?86-*-openbsd?.?)
461                         v=${host#*openbsd}
462                         vM=${v%.*}
463                         vm=${v#*.}
464                         AFS_SYSNAME="i386_obsd${vM}${vm}"
465                         ;;
466                 sparc64-*-openbsd?.?)
467                         v=${host#*openbsd}
468                         vM=${v%.*}
469                         vm=${v#*.}
470                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
471                         ;;
472                 x86_64-*-openbsd?.?)
473                         v=${host#*openbsd}
474                         vM=${v%.*}
475                         vm=${v#*.}
476                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
477                         ;;
478                 i?86-*-freebsd?.*)
479                         v=${host#*freebsd}
480                         vM=${v%.*}
481                         vm=${v#*.}
482                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
483                         ;;
484                 x86_64-*-freebsd?.*)
485                         v=${host#*freebsd}
486                         vM=${v%.*}
487                         vm=${v#*.}
488                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
489                         ;;
490                 i386-*-dragonfly?.*)
491                         v=${host#*dragonfly}
492                         vM=${v%.*}
493                         vm=${v#*.}
494                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
495                         ;;
496                 i?86-*-netbsd*1.6[[M-Z]]*)
497                         AFS_SYSNAME="i386_nbsd20"
498                         ;;
499                 powerpc-*-netbsd*1.6[[M-Z]]*)
500                         AFS_SYSNAME="ppc_nbsd20"
501                         ;;
502                 *-*-netbsd*)
503                         arch=${host%%-unknown*}
504                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
505                                                -e 's/powerpc/ppc/g')
506                         v=${host#*netbsd}
507                         v=${v#*aout}
508                         v=${v#*ecoff}
509                         v=${v#*elf}
510                         vM=${v%%.*}
511                         vM=${vM%.*}
512                         v=${v#*.}
513                         vm=${v%%.*}
514                         vm=${vm%.*}
515                         vm=${vm%%[[_A-Z]]*}
516                         if test $vm -eq 99 ; then
517                                 vM=$((vM+1))
518                         fi
519                         if test $vM -gt 1 ; then
520                                 vm=0
521                         fi
522                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
523                         ;;
524                 hppa*-hp-hpux11.0*)
525                         AFS_SYSNAME="hp_ux110"
526                         ;;
527                 hppa*-hp-hpux11.11)
528                         AFS_SYSNAME="hp_ux11i"
529                         ;;
530                 hppa*-hp-hpux11.23)
531                         AFS_SYSNAME="hp_ux1123"
532                         ;;
533                 ia64-hp-hpux11.22)
534                         AFS_SYSNAME="ia64_hpux1122"
535                         ;;
536                 ia64-hp-hpux*)
537                         AFS_SYSNAME="ia64_hpux1123"
538                         ;;
539                 hppa*-hp-hpux10*)
540                         AFS_SYSNAME="hp_ux102"
541                         ;;
542                 powerpc-apple-darwin7*)
543                         AFS_SYSNAME="ppc_darwin_70"
544                         OSXSDK="macosx10.3"
545                         ;;
546                 powerpc-apple-darwin8.*)
547                         AFS_SYSNAME="ppc_darwin_80"
548                         OSXSDK="macosx10.4"
549                         ;;
550                 i386-apple-darwin8.*)
551                         AFS_SYSNAME="x86_darwin_80"
552                         OSXSDK="macosx10.4"
553                         ;;
554                 powerpc-apple-darwin9.*)
555                         AFS_SYSNAME="ppc_darwin_90"
556                         OSXSDK="macosx10.5"
557                         ;;
558                 i386-apple-darwin9.*)
559                         AFS_SYSNAME="x86_darwin_90"
560                         OSXSDK="macosx10.5"
561                         ;;
562                 i?86-apple-darwin10.*)
563                         AFS_SYSNAME="x86_darwin_100"
564                         OSXSDK="macosx10.6"
565                         ;;
566                 x86_64-apple-darwin10.*)
567                         AFS_SYSNAME="x86_darwin_100"
568                         OSXSDK="macosx10.6"
569                         ;;
570                 arm-apple-darwin10.*)
571                         AFS_SYSNAME="arm_darwin_100"
572                         OSXSDK="iphoneos4.0"
573                         ;;
574                 x86_64-apple-darwin11.*)
575                         AFS_SYSNAME="x86_darwin_110"
576                         OSXSDK="macosx10.7"
577                         ;;
578                 i?86-apple-darwin11.*)
579                         AFS_SYSNAME="x86_darwin_110"
580                         OSXSDK="macosx10.7"
581                         ;;
582                 sparc-sun-solaris2.8)
583                         AFS_SYSNAME="sun4x_58"
584                         ;;
585                 sparc-sun-solaris2.9)
586                         AFS_SYSNAME="sun4x_59"
587                         ;;
588                 sparc-sun-solaris2.10)
589                         AFS_SYSNAME="sun4x_510"
590                         ;;
591                 sparc-sun-solaris2.11)
592                         AFS_SYSNAME="sun4x_511"
593                         ;;
594                 i386-pc-solaris2.8)
595                         AFS_SYSNAME="sunx86_58"
596                         ;;
597                 i386-pc-solaris2.9)
598                         AFS_SYSNAME="sunx86_59"
599                         ;;
600                 i386-pc-solaris2.10)
601                         AFS_SYSNAME="sunx86_510"
602                         ;;
603                 i386-pc-solaris2.11)
604                         AFS_SYSNAME="sunx86_511"
605                         ;;
606                 alpha*-dec-osf4.0*)
607                         AFS_SYSNAME="alpha_dux40"
608                         ;;
609                 alpha*-dec-osf5.0*)
610                         AFS_SYSNAME="alpha_dux50"
611                         ;;
612                 alpha*-dec-osf5.1*)
613                         AFS_SYSNAME="alpha_dux51"
614                         ;;
615                 mips-sgi-irix6.5)
616                         AFS_SYSNAME="sgi_65"
617                         ;;
618                 ia64-*-linux*)
619                         AFS_SYSNAME="ia64_linuxXX"
620                         ;;
621                 powerpc-*-linux*)
622                         AFS_SYSNAME="`/bin/arch`_linuxXX"
623                         ;;
624                 powerpc64-*-linux*)
625                         AFS_SYSNAME="ppc64_linuxXX"
626                         ;;
627                 alpha*-linux*)
628                         AFS_SYSNAME="alpha_linux_XX"
629                         ;;
630                 s390-*-linux*)
631                         AFS_SYSNAME="s390_linuxXX"
632                         ;;
633                 s390x-*-linux*)
634                         AFS_SYSNAME="s390x_linuxXX"
635                         ;;
636                 sparc-*-linux*)
637                         AFS_SYSNAME="`/bin/arch`_linuxXX"
638                         ;;
639                 sparc64-*-linux*)
640                         AFS_SYSNAME="sparc64_linuxXX"
641                         ;;
642                 i?86-*-linux*)
643                         AFS_SYSNAME="i386_linuxXX"
644                         ;;
645                 arm*-linux*)
646                         AFS_SYSNAME="arm_linuxXX"
647                         ;;
648                 parisc-*-linux-gnu|hppa-*-linux-gnu)
649                         AFS_SYSNAME="parisc_linuxXX"
650                         enable_pam="no"
651                         ;;
652                 power*-ibm-aix4.2*)
653                         AFS_SYSNAME="rs_aix42"
654                         enable_pam="no"
655                         ;;
656                 power*-ibm-aix4.3*)
657                         AFS_SYSNAME="rs_aix42"
658                         enable_pam="no"
659                         ;;
660                 power*-ibm-aix5.1*)
661                         AFS_SYSNAME="rs_aix51"
662                         enable_pam="no"
663                         ;;
664                 power*-ibm-aix5.2*)
665                         AFS_SYSNAME="rs_aix52"
666                         enable_pam="no"
667                         ;;
668                 power*-ibm-aix5.3*)
669                         AFS_SYSNAME="rs_aix53"
670                         enable_pam="no"
671                         ;;
672                 power*-ibm-aix6.1*)
673                         AFS_SYSNAME="rs_aix61"
674                         enable_pam="no"
675                         ;;
676                 x86_64-*-linux-gnu)
677                         AFS_SYSNAME="amd64_linuxXX"
678                         enable_pam="yes"
679                         ;;
680                 *)
681                         AC_MSG_ERROR(An AFS sysname is required)
682                         exit 1
683                         ;;
684         esac
685         case $AFS_SYSNAME in
686                 *_linux* | *_umlinux*)
687                         if test "x${AFS_SYSKVERS}" = "x"; then
688                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
689                         fi
690                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
691                         AFS_SYSNAME="$_AFS_SYSNAME"
692                         AC_TRY_KBUILD(
693                          [],
694                          [#ifndef CONFIG_USERMODE
695                           #error not UML
696                           #endif],
697                          ac_cv_linux_is_uml=yes,)
698                         if test "${ac_cv_linux_is_uml}" = yes; then
699                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
700                         fi
701                         AFS_SYSNAME="$_AFS_SYSNAME"
702                         ;;
703         esac
704         AC_MSG_RESULT($AFS_SYSNAME)
705 fi
706
707 case $AFS_SYSNAME in
708         *_darwin*)
709                 AC_CHECK_HEADERS(crt_externs.h)
710                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
711                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
712                 AC_SUBST(OSXSDK)
713                 ;;
714 esac
715
716 dnl Some hosts have a separate common param file they should include.  Figure
717 dnl out if we're on one of them now that we know the sysname.
718 case $AFS_SYSNAME in
719     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
720     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
721     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
722     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
723     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
724     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
725     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
726     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
727     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
728     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
729     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
730     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
731     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
732     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
733     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
734     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
735     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
736     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
737     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
738     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
739     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
740     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
741     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
742     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
743     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
744     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
745     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
746     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
747     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
748 # Linux alpha adds an extra underscore for no good reason.
749     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
750     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
751     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
752 esac
753
754 OPENAFS_OSCONF
755
756 case $AFS_SYSNAME in *_linux* | *_umlinux*)
757
758                 # Add (sub-) architecture-specific paths needed by conftests
759                 case $AFS_SYSNAME  in
760                         *_umlinux26)
761                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
762                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
763                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
764                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
765                 esac
766
767                 if test "x$enable_kernel_module" = "xyes"; then
768                  if test "x$enable_debug_kernel" = "xno"; then
769                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
770                  fi
771                  OPENAFS_GCC_SUPPORTS_MARCH
772                  AC_SUBST(P5PLUS_KOPTS)
773                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
774                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
775                  OPENAFS_GCC_SUPPORTS_NO_COMMON
776                  OPENAFS_GCC_SUPPORTS_PIPE
777                  AC_SUBST(LINUX_GCC_KOPTS)
778
779                  dnl Setup the kernel build environment
780                  LINUX_KBUILD_USES_EXTRA_CFLAGS
781                  LINUX_KERNEL_COMPILE_WORKS
782
783                  dnl Check for header files
784                  AC_CHECK_LINUX_HEADER([config.h])
785                  AC_CHECK_LINUX_HEADER([completion.h])
786                  AC_CHECK_LINUX_HEADER([exportfs.h])
787                  AC_CHECK_LINUX_HEADER([freezer.h])
788                  AC_CHECK_LINUX_HEADER([key-type.h])
789                  AC_CHECK_LINUX_HEADER([semaphore.h])
790                  AC_CHECK_LINUX_HEADER([seq_file.h])
791
792                  dnl Check for structure elements
793                  AC_CHECK_LINUX_STRUCT([address_space_operations],
794                                        [write_begin], [fs.h])
795                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
796                                        [backing-dev.h])
797                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
798                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
799                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
800                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
801                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
802                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
803                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
804                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
805                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
806                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
807                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
808                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
809                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
810                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
811                                        [fs.h])
812                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
813                                        [fs.h])
814                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
815                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
816                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
817                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
818                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
819                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
820                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
821                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
822                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
823                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
824                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
825
826                  dnl Check for typed structure elements
827                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
828                                              [buf], [fs.h])
829
830                  dnl Function existence checks
831
832                  AC_CHECK_LINUX_FUNC([bdi_init],
833                                      [#include <linux/backing-dev.h>],
834                                      [bdi_init(NULL);])
835                  AC_CHECK_LINUX_FUNC([PageChecked],
836                                      [#include <linux/mm.h>
837 #include <linux/page-flags.h>],
838                                      [struct page *_page;
839                                       int bchecked = PageChecked(_page);])
840                  AC_CHECK_LINUX_FUNC([PageFsMisc],
841                                      [#include <linux/mm.h>
842 #include <linux/page-flags.h>],
843                                      [struct page *_page;
844                                       int bchecked = PageFsMisc(_page);])
845                  AC_CHECK_LINUX_FUNC([clear_inode],
846                                      [#include <linux/fs.h>],
847                                      [clear_inode(NULL);])
848                  AC_CHECK_LINUX_FUNC([current_kernel_time],
849                                      [#include <linux/time.h>],
850                                      [struct timespec s;
851                                       s = current_kernel_time();])
852                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
853                                      [#include <linux/fs.h>],
854                                      [d_alloc_anon(NULL);])
855                  AC_CHECK_LINUX_FUNC([d_make_root],
856                                      [#include <linux/fs.h>],
857                                      [d_make_root(NULL);])
858                  AC_CHECK_LINUX_FUNC([do_sync_read],
859                                      [#include <linux/fs.h>],
860                                      [do_sync_read(NULL, NULL, 0, NULL);])
861                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
862                                      [#include <linux/sched.h>],
863                                      [pid_t p; find_task_by_pid(p);])
864                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
865                                      [#include <linux/fs.h>],
866                                      [generic_file_aio_read(NULL,NULL,0,0);])
867                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
868                                      [#include <linux/pagemap.h>],
869                                      [grab_cache_page_write_begin(NULL, 0, 0);])
870                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
871                                      [#include <linux/list.h>],
872                                      [hlist_unhashed(0);])
873                  AC_CHECK_LINUX_FUNC([i_size_read],
874                                      [#include <linux/fs.h>],
875                                      [i_size_read(NULL);])
876                  AC_CHECK_LINUX_FUNC([inode_setattr],
877                                      [#include <linux/fs.h>],
878                                      [inode_setattr(NULL, NULL);])
879                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
880                                      [#include <linux/net.h>],
881                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
882                  AC_CHECK_LINUX_FUNC([page_follow_link],
883                                      [#include <linux/fs.h>],
884                                      [page_follow_link(0,0);])
885                  AC_CHECK_LINUX_FUNC([page_offset],
886                                      [#include <linux/pagemap.h>],
887                                      [page_offset(NULL);])
888                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
889                                      [#include <linux/pagevec.h>],
890                                      [__pagevec_lru_add_file(NULL);])
891                  AC_CHECK_LINUX_FUNC([path_lookup],
892                                      [#include <linux/fs.h>
893                                       #include <linux/namei.h>],
894                                      [path_lookup(NULL, 0, NULL);])
895                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
896                                      [#include <linux/rcupdate.h>],
897                                      [rcu_read_lock();])
898                  AC_CHECK_LINUX_FUNC([set_nlink],
899                                      [#include <linux/fs.h>],
900                                      [set_nlink(NULL, 1);])
901                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
902                                      [#include <linux/splice.h>],
903                                      [splice_direct_to_actor(NULL,NULL,NULL);])
904                  AC_CHECK_LINUX_FUNC([svc_addr_in],
905                                      [#include <linux/sunrpc/svc.h>],
906                                      [svc_addr_in(NULL);])
907                  AC_CHECK_LINUX_FUNC([zero_user_segments],
908                                      [#include <linux/highmem.h>],
909                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
910                  AC_CHECK_LINUX_FUNC([noop_fsync],
911                                      [#include <linux/fs.h>],
912                                      [void *address = &noop_fsync; printk("%p\n", address)];)
913
914                  dnl Consequences - things which get set as a result of the
915                  dnl                above tests
916                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
917                        [AC_DEFINE([AFS_NONFSTRANS], 1,
918                                   [define to disable the nfs translator])])
919
920                  dnl Assorted more complex tests
921                  LINUX_EXPORTS_PROC_ROOT_FS
922                  LINUX_KMEM_CACHE_INIT
923                  LINUX_HAVE_KMEM_CACHE_T
924                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
925                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
926                  LINUX_D_PATH_TAKES_STRUCT_PATH
927                  LINUX_NEW_EXPORT_OPS
928                  LINUX_INODE_SETATTR_RETURN_TYPE
929                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
930                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
931                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
932                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
933                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
934                  LINUX_DOP_D_DELETE_TAKES_CONST
935                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
936                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
937                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
938                  LINUX_FOP_F_FSYNC_TAKES_RANGE
939                  LINUX_AOP_WRITEBACK_CONTROL
940                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
941                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
942                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
943                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
944                  LINUX_KERNEL_SOCK_CREATE
945                  LINUX_EXPORTS_KEY_TYPE_KEYRING
946                  LINUX_NEED_RHCONFIG
947                  LINUX_RECALC_SIGPENDING_ARG_TYPE
948                  LINUX_EXPORTS_TASKLIST_LOCK
949                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
950                  LINUX_STATFS_TAKES_DENTRY
951                  LINUX_REFRIGERATOR
952                  LINUX_HAVE_TRY_TO_FREEZE
953                  LINUX_LINUX_KEYRING_SUPPORT
954                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
955                  LINUX_KEY_ALLOC_NEEDS_CRED
956                  LINUX_INIT_WORK_HAS_DATA
957                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
958                  LINUX_HAVE_DCACHE_LOCK
959                  LINUX_D_COUNT_IS_INT
960                  LINUX_IOP_MKDIR_TAKES_UMODE_T
961                  LINUX_IOP_CREATE_TAKES_UMODE_T
962                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
963
964                  dnl If we are guaranteed that keyrings will work - that is
965                  dnl  a) The kernel has keyrings enabled
966                  dnl  b) The code is new enough to give us a key_type_keyring
967                  dnl then we just disable syscall probing unless we've been
968                  dnl told otherwise
969
970                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
971                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
972                           [enable_linux_syscall_probing="no"],
973                           [enable_linux_syscall_probing="yes"])
974                  ])
975
976                  dnl Syscall probing needs a few tests of its own, and just
977                  dnl won't work if the kernel doesn't export init_mm
978                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
979                    LINUX_EXPORTS_INIT_MM
980                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
981                      AC_MSG_ERROR(
982                        [Can't do syscall probing without exported init_mm])
983                    ])
984                    LINUX_EXPORTS_SYS_CHDIR
985                    LINUX_EXPORTS_SYS_OPEN
986                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
987                              [define to enable syscall table probes])
988                  ])
989
990                  dnl Packaging and SMP build
991                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
992                    LINUX_WHICH_MODULES
993                  else
994                    AC_SUBST(MPS,'SP')
995                  fi
996
997                  dnl Syscall probing
998                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
999                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1000                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1001                    ])
1002                    ac_cv_linux_exports_sys_call_table=no
1003                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1004                      ac_cv_linux_exports_ia32_sys_call_table=yes
1005                    fi
1006                  else
1007                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1008                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1009                    LINUX_EXPORTS_SYS_CALL_TABLE
1010                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1011                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1012                          linux_syscall_method=none
1013                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1014                             linux_syscall_method=scan
1015                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1016                                linux_syscall_method=scan_with_kallsyms_address
1017                             fi
1018                          fi
1019                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1020                             linux_syscall_method=kallsyms_symbol
1021                          fi
1022                          if test "x$linux_syscall_method" = "xnone"; then
1023                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1024                             linux_syscall_method=scan
1025                          fi
1026                    fi
1027                  fi
1028                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1029                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1030                  fi
1031                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1032                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1033                  fi
1034                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1035                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1036                  else
1037                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1038                  fi
1039                 :
1040                 fi
1041 dnl Linux-only, but just enable always.
1042                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1043 esac
1044
1045 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1046     [ac_cv_sync_fetch_and_add],
1047     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1048                     [ac_cv_sync_fetch_and_add=yes],
1049                     [ac_cv_sync_fetch_and_add=no])
1050 ])
1051 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1052       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1053                 [define if your C compiler has __sync_add_and_fetch])])
1054
1055 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1056     [ac_cv_sockaddr_len],
1057     [AC_TRY_COMPILE( [#include <sys/types.h>
1058 #include <sys/socket.h>],
1059                      [struct sockaddr *a; a->sa_len=0;],
1060                      [ac_cv_sockaddr_len=yes],
1061                      [ac_cv_sockaddr_len=no])
1062 ])
1063 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1064       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1065                  [define if you struct sockaddr sa_len])])
1066
1067 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1068         echo Skipping library tests because they confuse Irix.
1069 else
1070   AC_SEARCH_LIBS([socket], [socket inet])
1071   AC_SEARCH_LIBS([connect], [nsl])
1072   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1073
1074   dnl darwin wants it, aix hates it
1075   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1076   AC_TRY_COMPILE([
1077   #include <stdlib.h>
1078   #include <stdio.h>
1079   #include <sys/types.h>
1080   #include <sys/socket.h>
1081   #include <netinet/in.h>
1082   #include <arpa/inet.h>
1083   #include <arpa/nameser.h>
1084   #include <arpa/nameser_compat.h>
1085   #include <resolv.h>
1086   ], [static int i; i = 0;],
1087   [AC_MSG_RESULT(yes)
1088    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1089   [AC_MSG_RESULT(no)
1090    ])
1091
1092   openafs_save_libs="$LIBS"
1093   AC_MSG_CHECKING([for res_search])
1094   AC_FUNC_RES_SEARCH
1095
1096   if test "$ac_cv_func_res_search" = no; then
1097       for lib in dns nsl resolv; do
1098         if test "$ac_cv_func_res_search" != yes; then
1099           LIBS="-l$lib $LIBS"
1100           AC_FUNC_RES_SEARCH
1101           LIBS="$openafs_save_libs"
1102         fi
1103       done    
1104       if test "$ac_cv_func_res_search" = yes; then
1105         LIB_AFSDB="-l$lib"
1106         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1107         AC_MSG_RESULT([yes, in lib$lib])
1108       else
1109         AC_MSG_RESULT(no)
1110       fi
1111   else
1112     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1113     AC_MSG_RESULT(yes)
1114   fi
1115   
1116 fi
1117 XLIBS="$LIB_AFSDB $XLIBS"
1118
1119 AC_CHECK_RESOLV_RETRANS
1120
1121 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1122     [ac_cv_setsockopt_iprecverr],
1123     [AC_TRY_COMPILE( [
1124 #include <sys/types.h>
1125 #include <sys/socket.h>
1126 #include <netinet/in.h>],
1127 [int on=1;
1128 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1129         [ac_cv_setsockopt_iprecverr=yes],
1130         [ac_cv_setsockopt_iprecverr=no])])
1131
1132 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1133       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1134                  [define if asynchronous socket errors can be received])])
1135
1136 PTHREAD_LIBS=error
1137 if test "x$MKAFS_OSTYPE" = OBSD; then
1138         PTHREAD_LIBS="-pthread"
1139 fi
1140 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1141         PTHREAD_LIBS="-pthread"
1142 fi
1143 if test "x$PTHREAD_LIBS" = xerror; then
1144         AC_CHECK_LIB(pthread, pthread_attr_init,
1145                 PTHREAD_LIBS="-lpthread")
1146 fi
1147 if test "x$PTHREAD_LIBS" = xerror; then
1148         AC_CHECK_LIB(pthreads, pthread_attr_init,
1149                 PTHREAD_LIBS="-lpthreads")
1150 fi
1151 if test "x$PTHREAD_LIBS" = xerror; then
1152         AC_CHECK_LIB(c_r, pthread_attr_init,
1153                 PTHREAD_LIBS="-lc_r")
1154 fi
1155 if test "x$PTHREAD_LIBS" = xerror; then
1156         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1157 fi
1158 if test "x$PTHREAD_LIBS" = xerror; then
1159         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1160         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1161                 PTHREAD_LIBS="-lpthread")
1162 fi
1163 if test "x$PTHREAD_LIBS" = xerror; then
1164         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1165 fi
1166 AC_SUBST(PTHREAD_LIBS)
1167
1168 HOST_CPU="$host_cpu"
1169
1170 if test "x$with_bsd_kernel_headers" != "x"; then
1171         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1172 else
1173         BSD_KERNEL_PATH="/usr/src/sys"
1174 fi
1175
1176 if test "x$with_bsd_kernel_build" != "x"; then
1177         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1178 else
1179         case $AFS_SYSNAME in
1180                 *_fbsd_*)
1181                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1182                         ;;
1183                 *_nbsd*)
1184                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1185         esac
1186 fi
1187
1188 # Fast restart
1189 if test "$enable_supergroups" = "yes"; then
1190         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1191 fi
1192
1193 if test "$enable_bitmap_later" = "yes"; then
1194         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1195 fi
1196
1197 if test "$enable_unix_sockets" = "yes"; then
1198         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1199         USE_UNIX_SOCKETS="yes"
1200 else
1201         USE_UNIX_SOCKETS="no"
1202 fi
1203 AC_SUBST(USE_UNIX_SOCKETS)
1204
1205 dnl if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1206 dnl     AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1207 dnl fi
1208
1209 if test "$enable_namei_fileserver" = "yes"; then
1210         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1211         VFSCK=""
1212 else
1213         if test "$enable_namei_fileserver" = "default"; then
1214                 case $host in
1215                         *-solaris2.10*)
1216                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1217                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1218                                 VFSCK=""
1219                                 ;;
1220                         *-solaris2.11*)
1221                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1222                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1223                                 VFSCK=""
1224                                 ;;
1225                         *)
1226                                 VFSCK="vfsck"
1227                                 ;;
1228                 esac
1229         else
1230                 VFSCK="vfsck"
1231         fi
1232 fi
1233
1234 dnl check for tivoli
1235 AC_MSG_CHECKING(for tivoli tsm butc support)
1236 XBSA_CFLAGS=""
1237 if test "$enable_tivoli_tsm" = "yes"; then
1238         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1239         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1240         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1241         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1242
1243         if test -r "$XBSADIR3/dsmapifp.h"; then
1244                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1245                 XBSA_XLIBS="-ldl"
1246                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1247         elif test -r "$XBSADIR4/dsmapifp.h"; then
1248                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1249                 XBSA_XLIBS="-ldl"
1250                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1251         elif test -r "$XBSADIR1/xbsa.h"; then
1252                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1253                 XBSA_XLIBS=""
1254                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1255         elif test -r "$XBSADIR2/xbsa.h"; then
1256                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1257                 XBSA_XLIBS=""
1258                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1259         else
1260                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1261         fi
1262 else
1263         AC_MSG_RESULT([no])
1264 fi
1265 AC_SUBST(XBSA_CFLAGS)
1266 AC_SUBST(XBSA_XLIBS) 
1267
1268 dnl checks for header files.
1269 AC_HEADER_STDC
1270 AC_HEADER_SYS_WAIT
1271 AC_HEADER_DIRENT
1272 AC_CHECK_HEADERS([ \
1273                    arpa/inet.h \
1274                    arpa/nameser.h \
1275                    curses.h\
1276                    direct.h \
1277                    et/com_err.h \
1278                    errno.h \
1279                    fcntl.h \
1280                    grp.h \
1281                    math.h \
1282                    mntent.h \
1283                    ncurses.h \
1284                    netdb.h \
1285                    netinet/in.h \
1286                    pthread_np.h \
1287                    pwd.h \
1288                    regex.h \
1289                    security/pam_appl.h \
1290                    signal.h \
1291                    stdint.h \
1292                    stdio_ext.h \
1293                    stdlib.h \
1294                    string.h \
1295                    strings.h \
1296                    sys/bitypes.h \
1297                    sys/bswap.h \
1298                    sys/dk.h \
1299                    sys/fcntl.h \
1300                    sys/file.h \
1301                    sys/fs_types.h \
1302                    sys/fstyp.h \
1303                    sys/ioctl.h \
1304                    sys/ipc.h \
1305                    sys/lockf.h \
1306                    sys/map.h \
1307                    sys/mount.h \
1308                    sys/mntent.h \
1309                    sys/mnttab.h \
1310                    sys/pag.h \
1311                    sys/param.h \
1312                    sys/resource.h \
1313                    sys/select.h \
1314                    sys/statfs.h \
1315                    sys/statvfs.h \
1316                    sys/socket.h \
1317                    sys/sysctl.h \
1318                    sys/time.h \
1319                    sys/types.h \
1320                    sys/uio.h \
1321                    sys/un.h \
1322                    sys/vfs.h \
1323                    syslog.h \
1324                    termios.h \
1325                    time.h \
1326                    ucontext.h \
1327                    unistd.h \
1328                    windows.h \
1329                 ])
1330
1331 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1332 #ifdef HAVE_NETINET_IN_H
1333 # include <netinet/in.h>
1334 #endif])
1335
1336 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1337 #ifdef HAVE_SYS_SOCKET_H
1338 # include <sys/socket.h>
1339 #endif])
1340
1341 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1342 #ifdef HAVE_SYS_SOCKET_H
1343 # include <sys/socket.h>
1344 #endif
1345 #ifdef HAVE_NETINET_IN_H
1346 # include <netinet/in.h>
1347 #endif
1348 #ifdef HAVE_NET_IF_H
1349 # include <net/if.h>
1350 #endif])
1351
1352 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1353 #ifdef HAVE_SECURITY_PAM_APPL_H
1354 # include <security/pam_appl.h>
1355 #endif])
1356
1357 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1358
1359 AC_CHECK_TYPES([fsblkcnt_t],,,[
1360 #include <sys/types.h>
1361 #ifdef HAVE_SYS_BITYPES_H
1362 #include <sys/bitypes.h>
1363 #endif
1364 #ifdef HAVE_SYS_STATFS_H
1365 #include <sys/statfs.h>
1366 #endif
1367 #ifdef HAVE_SYS_STATVFS_H
1368 #include <sys/statvfs.h>
1369 #endif
1370 ])
1371
1372 dnl see what struct stat has for timestamps
1373 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1374
1375 dnl check for curses-lib
1376 AS_IF([test "x$enable_gtx" != "xno"],
1377       [save_LIBS=$LIBS
1378       AC_CHECK_LIB( [ncurses], [setupterm],
1379       [LIB_curses=-lncurses],
1380         [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1381           [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
1382       ])
1383       LIBS=$save_LIBS
1384       AC_SUBST(LIB_curses)])
1385         
1386 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1387
1388 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1389 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1390         case $AFS_SYSNAME in
1391         sgi_*)
1392                 HAVE_PAM="no"
1393                 ;;
1394         *)
1395                 HAVE_PAM="yes"
1396                 ;;
1397         esac
1398 else
1399         HAVE_PAM="no"
1400 fi
1401 AC_SUBST(HAVE_PAM)
1402
1403 if test "$enable_login" = yes; then
1404         BUILD_LOGIN="yes"
1405 else
1406         BUILD_LOGIN="no"
1407 fi
1408 AC_SUBST(BUILD_LOGIN)
1409
1410 AC_CHECK_FUNCS([ \
1411         arc4random \
1412         fcntl \
1413         fseeko64 \
1414         ftello64 \
1415         getcwd \
1416         getegid \
1417         geteuid \
1418         getgid \
1419         getuid \
1420         getrlimit \
1421         issetugid \
1422         mkstemp \
1423         pread \
1424         preadv \
1425         preadv64 \
1426         pwrite \
1427         pwritev \
1428         pwritev64 \
1429         regcomp \
1430         regerror \
1431         regexec \
1432         setitimer \
1433         setvbuf \
1434         sigaction \
1435         strcasestr \
1436         strerror \
1437         sysconf \
1438         sysctl \
1439         tdestroy \
1440         timegm \
1441 ])
1442
1443 OPENAFS_ROKEN()
1444 OPENAFS_C_ATTRIBUTE()
1445
1446 dnl Functions that Heimdal's libroken provides, but that we
1447 dnl haven't found a need for yet, and so haven't imported
1448 AC_CHECK_FUNCS([ \
1449         chown \
1450         fchown \
1451         gethostname \
1452         lstat \
1453         inet_aton \
1454         inet_ntop \
1455         inet_pton \
1456         putenv \
1457         readv \
1458         setenv \
1459         strdup \
1460         strftime \
1461         strndup \
1462         strsep \
1463         unsetenv \
1464 ])
1465
1466 dnl Functions that are in objects that we always build from libroken
1467 AC_CHECK_FUNCS([ \
1468         asprintf \
1469         asnprintf \
1470         vasprintf \
1471         vasnprintf \
1472         vsnprintf \
1473         snprintf \
1474 ])
1475
1476 dnl Functions that we're going to try and get from libroken
1477 AC_REPLACE_FUNCS([ \
1478         daemon \
1479         ecalloc \
1480         emalloc \
1481         erealloc \
1482         err \
1483         errx \
1484         flock \
1485         getdtablesize \
1486         getopt \
1487         getprogname \
1488         gettimeofday \
1489         localtime_r \
1490         mkstemp \
1491         setenv \
1492         setprogname \
1493         strcasecmp \
1494         strlcat \
1495         strnlen \
1496         strlcpy \
1497         strsep \
1498         tdelete \
1499         tfind \
1500         tsearch \
1501         twalk \
1502         unsetenv \
1503         verr \
1504         verrx \
1505         vsyslog \
1506         vwarn \
1507         vwarnx \
1508         warn \
1509         warnx \
1510 ])
1511
1512 dnl Headers that we're going to try and get from libroken
1513 AC_CHECK_HEADERS([ \
1514         err.h \
1515         search.h \
1516 ])
1517
1518 AC_CHECK_DECLS([h_errno], [], [], [
1519 #include <sys/types.h>
1520 #ifdef HAVE_NETDB_H
1521 #include <netdb.h>
1522 #endif
1523 ])
1524
1525 AC_HEADER_TIME
1526
1527 ROKEN_HEADERS=
1528 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1529       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1530       [])
1531 AC_SUBST(ROKEN_HEADERS)
1532
1533 dnl Stuff that's harder ...
1534 AC_MSG_CHECKING([for bswap16])
1535 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1536 #ifdef HAVE_SYS_TYPES_H
1537 #include <sys/types.h>
1538 #endif
1539 #ifdef HAVE_SYS_BSWAP_H
1540 #include <sys/bswap.h>
1541 #endif
1542 ],
1543 [short a, b; b = bswap16(a); ])],
1544 [AC_MSG_RESULT(yes)
1545  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1546 ],
1547 [AC_MSG_RESULT(no)])
1548
1549 AC_MSG_CHECKING([for bswap32])
1550 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1551 #include <sys/types.h>
1552 #endif
1553 #ifdef HAVE_SYS_BSWAP_H
1554 #include <sys/bswap.h>
1555 #endif
1556 ],
1557 [int a, b; b = bswap32(a); ])],
1558 [AC_MSG_RESULT(yes)
1559  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1560 ],
1561 [AC_MSG_RESULT(no)])
1562
1563 case $AFS_SYSNAME in
1564 *hp_ux* | *hpux*)
1565    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1566    ;;
1567 *)
1568    AC_MSG_CHECKING([for positional I/O])
1569    if test "$ac_cv_func_pread" = "yes" && \
1570            test "$ac_cv_func_pwrite" = "yes"; then
1571       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1572       AC_MSG_RESULT(yes)
1573    else
1574      AC_MSG_RESULT(no)
1575    fi
1576    AC_MSG_CHECKING([for vectored positional I/O])
1577    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1578                "$ac_cv_func_pwritev" = "yes" -a \
1579                "$ac_cv_func_preadv64" = "yes" -a \
1580                "$ac_cv_func_pwritev64" = "yes"],
1581          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1582           AC_MSG_RESULT(yes)],
1583          [AC_MSG_RESULT(no)])
1584    ;;
1585 esac
1586
1587 AC_MSG_CHECKING([for POSIX regex library])
1588 if test "$ac_cv_header_regex_h" = "yes" && \
1589         test "$ac_cv_func_regcomp" = "yes" && \
1590         test "$ac_cv_func_regexec" = "yes" && \
1591         test "$ac_cv_func_regerror" = "yes"; then
1592     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1593     AC_MSG_RESULT(yes)
1594 else
1595     AC_MSG_RESULT(no)
1596 fi
1597
1598 dnl Look for "non-portable" pthreads functions.
1599 save_LIBS="$LIBS"
1600 LIBS="$LIBS $PTHREAD_LIBS"
1601 AC_CHECK_FUNCS([ \
1602         pthread_set_name_np \
1603         pthread_setname_np \
1604 ])
1605
1606 dnl Sadly, there are three different versions of pthread_setname_np.
1607 dnl Try to cater for all of them.
1608 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1609     AC_MSG_CHECKING([for signature of pthread_setname_np])
1610     AC_TRY_COMPILE([
1611 #include <pthread.h>
1612 #ifdef HAVE_PTHREAD_NP_H
1613 #include <pthread_np.h>
1614 #endif
1615 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1616         AC_MSG_RESULT([three arguments])
1617         pthread_setname_np_args=3], [
1618         AC_TRY_COMPILE([
1619 #include <pthread.h>
1620 #ifdef HAVE_PTHREAD_NP_H
1621 #include <pthread_np.h>
1622 #endif
1623 ], [pthread_setname_np(pthread_self(), "test")], [
1624             AC_MSG_RESULT([two arguments])
1625             pthread_setname_np_args=2], [
1626             AC_TRY_COMPILE([
1627 #include <pthread.h>
1628 #ifdef HAVE_PTHREAD_NP_H
1629 #include <pthread_np.h>
1630 #endif
1631 ], [pthread_setname_np("test")], [
1632                 AC_MSG_RESULT([one argument])
1633                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1634 ])
1635 ])
1636 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1637 fi
1638 LIBS="$save_LIBS"
1639
1640 openafs_cv_saved_CFLAGS="$CFLAGS"
1641 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1642
1643 AC_TYPE_SIGNAL
1644 OPENAFS_RETSIGTYPE
1645 AC_CHECK_SIZEOF(void *)
1646 AC_CHECK_SIZEOF(unsigned long long)
1647 AC_CHECK_SIZEOF(unsigned long)
1648 AC_CHECK_SIZEOF(unsigned int)
1649 AC_TYPE_INTPTR_T
1650 AC_TYPE_UINTPTR_T
1651 AC_TYPE_SSIZE_T
1652 AC_CHECK_TYPE([sig_atomic_t],[],
1653     [AC_DEFINE([sig_atomic_t], [int],
1654         [Define to int if <signal.h> does not define.])],
1655 [#include <sys/types.h>
1656 #include <signal.h>])
1657 AC_CHECK_TYPE([socklen_t],[],
1658     [AC_DEFINE([socklen_t], [int],
1659         [Define to int if <sys/socket.h> does not define.])],
1660 [#include <sys/types.h>
1661 #include <sys/socket.h>])
1662 AC_CHECK_TYPES(off64_t)
1663 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1664 AC_CHECK_TYPES([struct winsize], [], [], [
1665 #ifdef HAVE_TERMIOS_H
1666 # include <termios.h>
1667 #else
1668 # include <sys/termios.h>
1669 #endif
1670 #include <sys/ioctl.h>])
1671 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1672                 struct sockaddr_storage],
1673                [], [], [
1674 #include <sys/types.h>
1675 #include <sys/socket.h>
1676 ])
1677 AC_CHECK_TYPES([sa_family_t], [], [], [
1678 #include <sys/types.h>
1679 #include <sys/socket.h>
1680 ])
1681 AC_CHECK_TYPES([struct addrinfo], [], [], [
1682 #include <sys/types.h>
1683 #ifdef HAVE_NETDB_H
1684 #include <netdb.h>
1685 #endif
1686 ])
1687 AC_CHECK_TYPES([long long], [], [], [])
1688
1689 AC_SIZEOF_TYPE(long)
1690
1691 CFLAGS="$openafs_cv_saved_CFLAGS"
1692
1693 RRA_HEADER_PAM_CONST
1694
1695
1696 dnl Directory PATH handling
1697 if test "x$enable_transarc_paths" = "xyes"  ; then 
1698     afsconfdir=${afsconfdir=/usr/afs/etc}
1699     viceetcdir=${viceetcdir=/usr/vice/etc}
1700     afskerneldir=${afskerneldir=${viceetcdir}}
1701     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1702     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1703     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1704     afsdbdir=${afsdbdir=/usr/afs/db}
1705     afslogsdir=${afslogsdir=/usr/afs/logs}
1706     afslocaldir=${afslocaldir=/usr/afs/local}
1707     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1708     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1709     afsdatadir=${afsdatadir=/usr/vice/etc}
1710 else 
1711     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1712     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1713     afskerneldir=${afskerneldir='${libdir}/openafs'}
1714     afssrvbindir=${afssrvbindir='${bindir}'}
1715     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1716     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1717     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1718     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1719     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1720     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1721     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1722     afsdatadir=${afsdatadir='${datadir}/openafs'}
1723 fi
1724 AC_SUBST(afsconfdir)
1725 AC_SUBST(viceetcdir)
1726 AC_SUBST(afskerneldir)
1727 AC_SUBST(afssrvbindir)
1728 AC_SUBST(afssrvsbindir)
1729 AC_SUBST(afssrvlibexecdir)
1730 AC_SUBST(afsdbdir)
1731 AC_SUBST(afslogsdir)
1732 AC_SUBST(afslocaldir)
1733 AC_SUBST(afsbackupdir)
1734 AC_SUBST(afsbosconfigdir)
1735 AC_SUBST(afsdatadir)
1736
1737 if test "x$enable_kernel_module" = "xyes"; then
1738 ENABLE_KERNEL_MODULE=libafs
1739 fi
1740
1741 if test "x$enable_pthreaded_ubik" = "xyes"; then
1742 ENABLE_PTHREADED_UBIK=yes
1743 fi
1744
1745 AC_SUBST(VFSCK)
1746 AC_SUBST(AFS_SYSNAME)
1747 AC_SUBST(AFS_PARAM_COMMON)
1748 AC_SUBST(ENABLE_KERNEL_MODULE)
1749 AC_SUBST(ENABLE_PTHREADED_UBIK)
1750 AC_SUBST(LIB_AFSDB)
1751 AC_SUBST(LINUX_KERNEL_PATH)
1752 AC_SUBST(LINUX_KERNEL_BUILD)
1753 AC_SUBST(HOST_CPU)
1754 AC_SUBST(BSD_KERNEL_PATH)
1755 AC_SUBST(BSD_KERNEL_BUILD)
1756 AC_SUBST(LINUX_VERSION)
1757 AC_SUBST(MKAFS_OSTYPE)
1758 AC_SUBST(TOP_OBJDIR)
1759 AC_SUBST(TOP_SRCDIR)
1760 AC_SUBST(TOP_INCDIR)
1761 AC_SUBST(TOP_LIBDIR)
1762 AC_SUBST(DEST)
1763 AC_SUBST(DARWIN_INFOFILE)
1764 AC_SUBST(IRIX_BUILD_IP35)
1765 AC_SUBST(HTML_XSL)
1766 AC_SUBST(XSLTPROC)
1767 AC_SUBST(DOCBOOK2PDF)
1768 AC_SUBST(DOCBOOK_STYLESHEETS)
1769
1770 OPENAFS_FUSE
1771 OPENAFS_SWIG
1772
1773 TOP_SRCDIR="${srcdir}/src"
1774 dnl
1775 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1776 dnl
1777 case $TOP_SRCDIR in
1778         /*)
1779                 ;;
1780         *)
1781                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1782                 ;;
1783 esac
1784
1785 TOP_OBJDIR="${SRCDIR_PARENT}"
1786 TOP_INCDIR="${SRCDIR_PARENT}/include"
1787 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1788 if test "${DEST}x" = "x"; then
1789         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1790 fi
1791
1792 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1793 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1794 AC_SUBST(HELPER_SPLINT)
1795 AC_SUBST(HELPER_SPLINTCFG)
1796
1797 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1798
1799 dnl Check to see if crypt lives in a different library
1800 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1801 AC_SUBST(LIB_crypt)
1802
1803 dnl Check to see if the compiler support labels in structs
1804 AC_MSG_CHECKING(for label support in structs)
1805 AC_TRY_COMPILE([], [
1806 extern void osi_UFSOpen(void);
1807 struct labeltest {
1808    void (*open) (void);
1809 };
1810 struct labeltest struct_labeltest = {
1811    .open       = osi_UFSOpen,
1812 }
1813 ],
1814 [AC_MSG_RESULT(yes)
1815  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1816 ],
1817 [AC_MSG_RESULT(no)
1818 ])
1819
1820 AC_MSG_CHECKING([checking for dirfd])
1821 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1822 #ifdef HAVE_DIRENT_H
1823 #include <dirent.h>
1824 #endif
1825 ]],
1826         [[DIR *d = 0; dirfd(d);]])],
1827         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1828 if test "$ac_rk_have_dirfd" = "yes" ; then
1829         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1830 fi
1831 AC_MSG_RESULT($ac_rk_have_dirfd)
1832
1833 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1834 #ifdef HAVE_DIRENT_H
1835 #include <dirent.h>
1836 #endif])
1837
1838 dnl Eventually, this will look for the system one, or for OpenSSL
1839 LIB_hcrypto="-lafshcrypto"
1840 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1841 AC_SUBST(LIB_hcrypto)
1842 AC_SUBST(LDFLAGS_hcrypto)
1843 ])
1844
1845 AC_DEFUN([SUMMARY], [
1846     # Print a configuration summary
1847 echo 
1848 echo "**************************************"
1849 echo configure summary
1850 echo
1851 AS_IF([test $LIB_curses],[
1852 echo "LIB_curses :                $LIB_curses" ],[
1853 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1854 ])
1855 echo 
1856 echo "**************************************"
1857 ])