Linux 3.5: encode_fh API change
[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([namei-fileserver],
83     [AS_HELP_STRING([--enable-namei-fileserver],
84         [force compilation of namei fileserver in preference to inode
85          fileserver])],
86     , 
87     [enable_namei_fileserver="default"])
88 AC_ARG_ENABLE([supergroups],
89     [AS_HELP_STRING([--enable-supergroups],
90         [enable support for nested pts groups])],
91     , 
92     [enable_supergroups="no"])
93 AC_ARG_ENABLE([bitmap-later],
94     [AS_HELP_STRING([--enable-bitmap-later],
95         [enable fast startup of file server by not reading bitmap till
96          needed])],
97     , 
98     [enable_bitmap_later="no"])
99 AC_ARG_ENABLE([unix-sockets],
100     [AS_HELP_STRING([--disable-unix-sockets],
101         [disable use of unix domain sockets for fssync (defaults to enabled)])],
102     ,
103     [enable_unix_sockets="yes"])
104 AC_ARG_ENABLE([tivoli-tsm],
105     [AS_HELP_STRING([--enable-tivoli-tsm],
106         [enable use of the Tivoli TSM API libraries for butc support])],
107     , 
108     [enable_tivoli_tsm="no"])
109 AC_ARG_ENABLE([pthreaded-ubik],
110     [AS_HELP_STRING([--enable-pthreaded-ubik],
111         [enable installation of pthreaded ubik applications (defaults to
112          disabled)])],
113     ,
114     [enable_pthreaded_ubik="no"])
115
116 dnl Kernel module build options.
117 AC_ARG_WITH([linux-kernel-headers],
118     [AS_HELP_STRING([--with-linux-kernel-headers=path],
119         [use the kernel headers found at path (optional, defaults to
120          /usr/src/linux-2.4, then /usr/src/linux)])])
121 AC_ARG_WITH([linux-kernel-build],
122     [AS_HELP_STRING([--with-linux-kernel-build=path],
123         [use the kernel build found at path(optional, defaults to 
124         /usr/src/linux-2.4, then /usr/src/linux)])])
125 AC_ARG_WITH([bsd-kernel-headers],
126     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
127         [use the kernel headers found at path (optional, defaults to
128          /usr/src/sys)])])
129 AC_ARG_WITH([bsd-kernel-build],
130     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
131         [use the kernel build found at path (optional, defaults to
132          KSRC/i386/compile/GENERIC)])])
133 AC_ARG_WITH([linux-kernel-packaging],
134     [AS_HELP_STRING([--with-linux-kernel-packaging],
135         [use standard naming conventions to aid Linux kernel build packaging
136          (disables MPS, sets the kernel module name to openafs.ko, and
137          installs kernel modules into the standard Linux location)])],
138     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
139      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
140     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
141 AC_ARG_ENABLE([kernel-module],
142     [AS_HELP_STRING([--disable-kernel-module],
143         [disable compilation of the kernel module (defaults to enabled)])],
144     , 
145     [enable_kernel_module="yes"])
146 AC_ARG_ENABLE([redhat-buildsys],
147     [AS_HELP_STRING([--enable-redhat-buildsys],
148         [enable compilation of the redhat build system kernel (defaults to
149          disabled)])],
150     ,
151     [enable_redhat_buildsys="no"])
152
153 dnl Installation locations.
154 AC_ARG_ENABLE([transarc-paths],
155     [AS_HELP_STRING([--enable-transarc-paths],
156         [use Transarc style paths like /usr/afs and /usr/vice])],
157     , 
158     [enable_transarc_paths="no"])
159
160 dnl Optimization and debugging flags.
161 AC_ARG_ENABLE([strip-binaries],
162     [AS_HELP_STRING([--disable-strip-binaries],
163         [disable stripping of symbol information from binaries (defaults to
164          enabled)])],
165     ,
166     [enable_strip_binaries="maybe"])
167 AC_ARG_ENABLE([debug],
168     [AS_HELP_STRING([--enable-debug],
169         [enable compilation of the user space code with debugging information
170          (defaults to disabled)])],
171     , 
172     [enable_debug="no"])
173 AC_ARG_ENABLE([optimize],
174     [AS_HELP_STRING([--disable-optimize],
175         [disable optimization for compilation of the user space code (defaults
176          to enabled)])],
177     , 
178     [enable_optimize="yes"])
179 AC_ARG_ENABLE([warnings],
180     [AS_HELP_STRING([--enable-warnings],
181         [enable compilation warnings when building with gcc (defaults to
182          disabled)])],
183     ,
184     [enable_warnings="no"])
185 AC_ARG_ENABLE([checking],
186     [AS_HELP_STRING([--enable-checking],
187         [turn compilation warnings into errors when building with gcc (defaults
188          to disabled)])],
189     [enable_checking="$enableval"],
190     [enable_checking="no"])
191 AC_ARG_ENABLE([debug-kernel],
192     [AS_HELP_STRING([--enable-debug-kernel],
193         [enable compilation of the kernel module with debugging information
194          (defaults to disabled)])],
195     ,
196     [enable_debug_kernel="no"])
197 AC_ARG_ENABLE([optimize-kernel],
198     [AS_HELP_STRING([--disable-optimize-kernel],
199         [disable compilation of the kernel module with optimization (defaults
200          based on platform)])],
201     , 
202     [enable_optimize_kernel=""])
203 AC_ARG_ENABLE([debug-lwp],
204     [AS_HELP_STRING([--enable-debug-lwp],
205         [enable compilation of the LWP code with debugging information
206          (defaults to disabled)])],
207     ,
208     [enable_debug_lwp="no"])
209 AC_ARG_ENABLE([optimize-lwp],
210     [AS_HELP_STRING([--disable-optimize-lwp],
211         [disable optimization for compilation of the LWP code (defaults to
212          enabled)])],
213     ,
214     [enable_optimize_lwp="yes"])
215 AC_ARG_ENABLE([debug-pam],
216     [AS_HELP_STRING([--enable-debug-pam],
217         [enable compilation of the PAM code with debugging information
218          (defaults to disabled)])],
219     ,
220     [enable_debug_pam="no"])
221 AC_ARG_ENABLE([optimize-pam],
222     [AS_HELP_STRING([--disable-optimize-pam],
223         [disable optimization for compilation of the PAM code (defaults to
224          enabled)])],
225     ,
226     [enable_optimize_pam="yes"])
227 AC_ARG_ENABLE([linux-syscall-probing],
228     [AS_HELP_STRING([--enable-linux-syscall-probing],
229         [enable Linux syscall probing (defaults to autodetect)])],
230     ,
231     [enable_linux_syscall_probing="maybe"])
232     
233 AC_ARG_WITH([xslt-processor],
234         AS_HELP_STRING([--with-xslt-processor=ARG],
235         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
236         [XSLTPROC="$withval"],
237         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
238
239 AC_ARG_WITH([html-xsl], 
240         AS_HELP_STRING([--with-html-xsl],
241         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
242         [HTML_XSL="$withval"],
243         [HTML_XSL="html/chunk.xsl"])
244
245 AC_ARG_WITH([docbook2pdf],
246         AS_HELP_STRING([--with-docbook2pdf=ARG],
247         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
248         [DOCBOOK2PDF="$withval"],
249         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
250
251 AC_ARG_WITH([docbook-stylesheets],
252         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
253         [location of DocBook stylesheets (default is to search a set of likely paths)]),
254         [DOCBOOK_STYLESHEETS="$withval"],
255         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], [$HTML_XSL])
256         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
257                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
258         fi)
259
260 enable_login="no"
261
262 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
263 dnl documentation build.
264 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
265
266 dnl weird ass systems
267 dnl AC_AIX
268 AC_ISC_POSIX
269 dnl AC_MINIX
270
271 dnl Various compiler setup.
272 AC_TYPE_PID_T
273 AC_TYPE_SIZE_T
274
275 dnl Checks for programs.
276 AC_PROG_INSTALL
277 AC_PROG_LN_S
278 AC_PROG_RANLIB
279 AC_PROG_YACC
280 AM_PROG_LEX
281 dnl if we are flex, be lex-compatible
282 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
283
284 OPENAFS_FORCE_ABS_INSTALL
285 OPENAFS_CHECK_BIGENDIAN
286 OPENAFS_PRINTF_TAKES_Z_LEN
287
288 AC_MSG_CHECKING(your OS)
289 system=$host
290 case $system in
291         *-linux*)
292
293                 MKAFS_OSTYPE=LINUX
294                 if test "x$enable_redhat_buildsys" = "xyes"; then
295                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
296                 fi
297                 if test "x$enable_kernel_module" = "xyes"; then
298                  if test "x$with_linux_kernel_headers" != "x"; then
299                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
300                  else
301                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
302                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
303                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
304                    fi
305                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
306                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
307                    fi
308                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
309                      LINUX_KERNEL_PATH="/usr/src/linux"
310                    fi
311                  fi
312                  if test "x$with_linux_kernel_build" != "x"; then
313                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
314                  else
315                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
316                  fi
317                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
318                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
319                    LINUX_VERSION="$linux_kvers"
320                  else
321                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
322                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
323                      LINUX_VERSION="$linux_kvers"
324                    else
325                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
326                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
327                        if test "x$linux_kvers" = "x"; then
328                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
329                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
330                            if test "x$linux_kvers" = "x"; then
331                              AC_MSG_ERROR(Linux headers lack version definition [2])
332                              exit 1
333                            else
334                              LINUX_VERSION="$linux_kvers"
335                            fi
336                          else
337                            AC_MSG_ERROR(Linux headers lack version definition)
338                            exit 1
339                          fi
340                        else
341                          LINUX_VERSION="$linux_kvers"
342                        fi
343                      else
344                        enable_kernel_module="no"
345                      fi
346                    fi
347                  fi
348                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
349                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
350                      enable_kernel_module="no"
351                  fi
352                  if test "x$enable_kernel_module" = "xno"; then
353                   if test "x$with_linux_kernel_headers" != "x"; then
354                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
355                    exit 1
356                   else
357                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
358                   fi
359                  fi
360                  dnl do we need to determine SUBARCH from autoconf.h
361                  SUBARCH=default
362                 fi
363                 AC_MSG_RESULT(linux)
364                 if test "x$enable_kernel_module" = "xyes"; then
365                  case "$LINUX_VERSION" in
366                   2.2.*) AFS_SYSKVERS=22 ;;
367                   2.4.*) AFS_SYSKVERS=24 ;;
368                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
369                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
370                  esac
371                 fi
372                 ;;
373         *-solaris*)
374                 MKAFS_OSTYPE=SOLARIS
375                 AC_MSG_RESULT(sun4)
376                 AC_PATH_PROG(SOLARISCC, [cc], ,
377                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
378                 if test "x$SOLARISCC" = "x" ; then
379                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
380                 fi
381                 SOLARIS_UFSVFS_HAS_DQRWLOCK
382                 SOLARIS_FS_HAS_FS_ROLLED
383                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
384                 ;;
385         *-sunos*)
386                 MKAFS_OSTYPE=SUNOS
387                 enable_kernel_module=no
388                 AC_MSG_RESULT(sun4)
389                 ;;
390         *-hpux*)
391                 MKAFS_OSTYPE=HPUX
392                 AC_MSG_RESULT(hp_ux)
393                 if test -f "/usr/old/usr/include/ndir.h"; then
394                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
395                 fi
396                 ;;
397         *-irix*)
398                 if test -d /usr/include/sys/SN/SN1; then
399                  IRIX_BUILD_IP35="IP35"
400                 fi
401                 MKAFS_OSTYPE=IRIX
402                 AC_MSG_RESULT(sgi)
403                 ;;
404         *-aix*)
405                 MKAFS_OSTYPE=AIX
406                 AC_MSG_RESULT(rs_aix)
407                 ;;
408         arm-*-darwin*)
409                 MKAFS_OSTYPE=DARWIN
410                 AC_MSG_RESULT(arm_darwin)
411                 ;;
412         powerpc-*-darwin*)
413                 MKAFS_OSTYPE=DARWIN
414                 AC_MSG_RESULT(ppc_darwin)
415                 ;;
416         i386-*-darwin*)
417                 MKAFS_OSTYPE=DARWIN
418                 AC_MSG_RESULT(x86_darwin)
419                 ;;
420         x86_64-*-darwin*)
421                 MKAFS_OSTYPE=DARWIN
422                 AC_MSG_RESULT(x86_darwin)
423                 ;;
424         i386-*-freebsd*)
425                 MKAFS_OSTYPE=FBSD
426                 AC_MSG_RESULT(i386_fbsd)
427                 ;;
428         x86_64-*-freebsd*)
429                 MKAFS_OSTYPE=FBSD
430                 AC_MSG_RESULT(amd64_fbsd)
431                 ;;
432         *-netbsd*)
433                 MKAFS_OSTYPE=NBSD
434                 AC_MSG_RESULT(nbsd)
435                 ;;
436         x86_64-*-openbsd*)
437                 MKAFS_OSTYPE=OBSD
438                 AC_MSG_RESULT(amd64_obsd)
439                 ;;
440         i386-*-openbsd*)
441                 MKAFS_OSTYPE=OBSD
442                 AC_MSG_RESULT(i386_obsd)
443                 ;;
444         *-dragonfly*)
445                 MKAFS_OSTYPE=DFBSD
446                 AC_MSG_RESULT(i386_dfbsd)
447                 ;;
448         *)
449                 AC_MSG_RESULT($system)
450                 ;;
451 esac
452
453 if test "x$with_afs_sysname" != "x"; then
454         AFS_SYSNAME="$with_afs_sysname"
455 else
456         AC_MSG_CHECKING(your AFS sysname)
457         case $host in
458                 i?86-*-openbsd?.?)
459                         v=${host#*openbsd}
460                         vM=${v%.*}
461                         vm=${v#*.}
462                         AFS_SYSNAME="i386_obsd${vM}${vm}"
463                         ;;
464                 sparc64-*-openbsd?.?)
465                         v=${host#*openbsd}
466                         vM=${v%.*}
467                         vm=${v#*.}
468                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
469                         ;;
470                 x86_64-*-openbsd?.?)
471                         v=${host#*openbsd}
472                         vM=${v%.*}
473                         vm=${v#*.}
474                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
475                         ;;
476                 i?86-*-freebsd?.*)
477                         v=${host#*freebsd}
478                         vM=${v%.*}
479                         vm=${v#*.}
480                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
481                         ;;
482                 x86_64-*-freebsd?.*)
483                         v=${host#*freebsd}
484                         vM=${v%.*}
485                         vm=${v#*.}
486                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
487                         ;;
488                 i386-*-dragonfly?.*)
489                         v=${host#*dragonfly}
490                         vM=${v%.*}
491                         vm=${v#*.}
492                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
493                         ;;
494                 i?86-*-netbsd*1.6[[M-Z]]*)
495                         AFS_SYSNAME="i386_nbsd20"
496                         ;;
497                 powerpc-*-netbsd*1.6[[M-Z]]*)
498                         AFS_SYSNAME="ppc_nbsd20"
499                         ;;
500                 *-*-netbsd*)
501                         arch=${host%%-unknown*}
502                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
503                                                -e 's/powerpc/ppc/g')
504                         v=${host#*netbsd}
505                         v=${v#*aout}
506                         v=${v#*ecoff}
507                         v=${v#*elf}
508                         vM=${v%%.*}
509                         vM=${vM%.*}
510                         v=${v#*.}
511                         vm=${v%%.*}
512                         vm=${vm%.*}
513                         vm=${vm%%[[_A-Z]]*}
514                         if test $vm -eq 99 ; then
515                                 vM=$((vM+1))
516                         fi
517                         if test $vM -gt 1 ; then
518                                 vm=0
519                         fi
520                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
521                         ;;
522                 hppa*-hp-hpux11.0*)
523                         AFS_SYSNAME="hp_ux110"
524                         ;;
525                 hppa*-hp-hpux11.11)
526                         AFS_SYSNAME="hp_ux11i"
527                         ;;
528                 hppa*-hp-hpux11.23)
529                         AFS_SYSNAME="hp_ux1123"
530                         ;;
531                 ia64-hp-hpux11.22)
532                         AFS_SYSNAME="ia64_hpux1122"
533                         ;;
534                 ia64-hp-hpux*)
535                         AFS_SYSNAME="ia64_hpux1123"
536                         ;;
537                 hppa*-hp-hpux10*)
538                         AFS_SYSNAME="hp_ux102"
539                         ;;
540                 powerpc-apple-darwin7*)
541                         AFS_SYSNAME="ppc_darwin_70"
542                         OSXSDK="macosx10.3"
543                         ;;
544                 powerpc-apple-darwin8.*)
545                         AFS_SYSNAME="ppc_darwin_80"
546                         OSXSDK="macosx10.4"
547                         ;;
548                 i386-apple-darwin8.*)
549                         AFS_SYSNAME="x86_darwin_80"
550                         OSXSDK="macosx10.4"
551                         ;;
552                 powerpc-apple-darwin9.*)
553                         AFS_SYSNAME="ppc_darwin_90"
554                         OSXSDK="macosx10.5"
555                         ;;
556                 i386-apple-darwin9.*)
557                         AFS_SYSNAME="x86_darwin_90"
558                         OSXSDK="macosx10.5"
559                         ;;
560                 i?86-apple-darwin10.*)
561                         AFS_SYSNAME="x86_darwin_100"
562                         OSXSDK="macosx10.6"
563                         ;;
564                 x86_64-apple-darwin10.*)
565                         AFS_SYSNAME="x86_darwin_100"
566                         OSXSDK="macosx10.6"
567                         ;;
568                 arm-apple-darwin10.*)
569                         AFS_SYSNAME="arm_darwin_100"
570                         OSXSDK="iphoneos4.0"
571                         ;;
572                 x86_64-apple-darwin11.*)
573                         AFS_SYSNAME="x86_darwin_110"
574                         OSXSDK="macosx10.7"
575                         ;;
576                 i?86-apple-darwin11.*)
577                         AFS_SYSNAME="x86_darwin_110"
578                         OSXSDK="macosx10.7"
579                         ;;
580                 sparc-sun-solaris2.8)
581                         AFS_SYSNAME="sun4x_58"
582                         ;;
583                 sparc-sun-solaris2.9)
584                         AFS_SYSNAME="sun4x_59"
585                         ;;
586                 sparc-sun-solaris2.10)
587                         AFS_SYSNAME="sun4x_510"
588                         ;;
589                 sparc-sun-solaris2.11)
590                         AFS_SYSNAME="sun4x_511"
591                         ;;
592                 i386-pc-solaris2.8)
593                         AFS_SYSNAME="sunx86_58"
594                         ;;
595                 i386-pc-solaris2.9)
596                         AFS_SYSNAME="sunx86_59"
597                         ;;
598                 i386-pc-solaris2.10)
599                         AFS_SYSNAME="sunx86_510"
600                         ;;
601                 i386-pc-solaris2.11)
602                         AFS_SYSNAME="sunx86_511"
603                         ;;
604                 alpha*-dec-osf4.0*)
605                         AFS_SYSNAME="alpha_dux40"
606                         ;;
607                 alpha*-dec-osf5.0*)
608                         AFS_SYSNAME="alpha_dux50"
609                         ;;
610                 alpha*-dec-osf5.1*)
611                         AFS_SYSNAME="alpha_dux51"
612                         ;;
613                 mips-sgi-irix6.5)
614                         AFS_SYSNAME="sgi_65"
615                         ;;
616                 ia64-*-linux*)
617                         AFS_SYSNAME="ia64_linuxXX"
618                         ;;
619                 powerpc-*-linux*)
620                         AFS_SYSNAME="`/bin/arch`_linuxXX"
621                         ;;
622                 powerpc64-*-linux*)
623                         AFS_SYSNAME="ppc64_linuxXX"
624                         ;;
625                 alpha*-linux*)
626                         AFS_SYSNAME="alpha_linux_XX"
627                         ;;
628                 s390-*-linux*)
629                         AFS_SYSNAME="s390_linuxXX"
630                         ;;
631                 s390x-*-linux*)
632                         AFS_SYSNAME="s390x_linuxXX"
633                         ;;
634                 sparc-*-linux*)
635                         AFS_SYSNAME="`/bin/arch`_linuxXX"
636                         ;;
637                 sparc64-*-linux*)
638                         AFS_SYSNAME="sparc64_linuxXX"
639                         ;;
640                 i?86-*-linux*)
641                         AFS_SYSNAME="i386_linuxXX"
642                         ;;
643                 arm*-linux*)
644                         AFS_SYSNAME="arm_linuxXX"
645                         ;;
646                 parisc-*-linux-gnu|hppa-*-linux-gnu)
647                         AFS_SYSNAME="parisc_linuxXX"
648                         enable_pam="no"
649                         ;;
650                 power*-ibm-aix4.2*)
651                         AFS_SYSNAME="rs_aix42"
652                         enable_pam="no"
653                         ;;
654                 power*-ibm-aix4.3*)
655                         AFS_SYSNAME="rs_aix42"
656                         enable_pam="no"
657                         ;;
658                 power*-ibm-aix5.1*)
659                         AFS_SYSNAME="rs_aix51"
660                         enable_pam="no"
661                         ;;
662                 power*-ibm-aix5.2*)
663                         AFS_SYSNAME="rs_aix52"
664                         enable_pam="no"
665                         ;;
666                 power*-ibm-aix5.3*)
667                         AFS_SYSNAME="rs_aix53"
668                         enable_pam="no"
669                         ;;
670                 power*-ibm-aix6.1*)
671                         AFS_SYSNAME="rs_aix61"
672                         enable_pam="no"
673                         ;;
674                 x86_64-*-linux-gnu)
675                         AFS_SYSNAME="amd64_linuxXX"
676                         enable_pam="yes"
677                         ;;
678                 *)
679                         AC_MSG_ERROR(An AFS sysname is required)
680                         exit 1
681                         ;;
682         esac
683         case $AFS_SYSNAME in
684                 *_linux* | *_umlinux*)
685                         if test "x${AFS_SYSKVERS}" = "x"; then
686                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
687                         fi
688                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
689                         AFS_SYSNAME="$_AFS_SYSNAME"
690                         AC_TRY_KBUILD(
691                          [],
692                          [#ifndef CONFIG_USERMODE
693                           #error not UML
694                           #endif],
695                          ac_cv_linux_is_uml=yes,)
696                         if test "${ac_cv_linux_is_uml}" = yes; then
697                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
698                         fi
699                         AFS_SYSNAME="$_AFS_SYSNAME"
700                         ;;
701         esac
702         AC_MSG_RESULT($AFS_SYSNAME)
703 fi
704
705 case $AFS_SYSNAME in
706         *_darwin*)
707                 AC_CHECK_HEADERS(crt_externs.h)
708                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
709                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
710                 AC_SUBST(OSXSDK)
711                 ;;
712 esac
713
714 dnl Some hosts have a separate common param file they should include.  Figure
715 dnl out if we're on one of them now that we know the sysname.
716 case $AFS_SYSNAME in
717     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
718     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
719     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
720     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
721     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
722     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
723     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
724     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
725     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
726     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
727     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
728     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
729     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
730     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
731     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
732     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
733     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
734     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
735     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
736     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
737     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
738     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
739     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
740     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
741     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
742     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
743     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
744     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
745     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
746 # Linux alpha adds an extra underscore for no good reason.
747     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
748     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
749     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
750 esac
751
752 OPENAFS_OSCONF
753
754 case $AFS_SYSNAME in *_linux* | *_umlinux*)
755
756                 # Add (sub-) architecture-specific paths needed by conftests
757                 case $AFS_SYSNAME  in
758                         *_umlinux26)
759                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
760                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
761                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
762                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
763                 esac
764
765                 if test "x$enable_kernel_module" = "xyes"; then
766                  if test "x$enable_debug_kernel" = "xno"; then
767                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
768                  fi
769                  OPENAFS_GCC_SUPPORTS_MARCH
770                  AC_SUBST(P5PLUS_KOPTS)
771                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
772                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
773                  OPENAFS_GCC_SUPPORTS_NO_COMMON
774                  OPENAFS_GCC_SUPPORTS_PIPE
775                  AC_SUBST(LINUX_GCC_KOPTS)
776
777                  dnl Setup the kernel build environment
778                  LINUX_KBUILD_USES_EXTRA_CFLAGS
779                  LINUX_KERNEL_COMPILE_WORKS
780
781                  dnl Check for header files
782                  AC_CHECK_LINUX_HEADER([config.h])
783                  AC_CHECK_LINUX_HEADER([completion.h])
784                  AC_CHECK_LINUX_HEADER([exportfs.h])
785                  AC_CHECK_LINUX_HEADER([freezer.h])
786                  AC_CHECK_LINUX_HEADER([key-type.h])
787                  AC_CHECK_LINUX_HEADER([semaphore.h])
788                  AC_CHECK_LINUX_HEADER([seq_file.h])
789
790                  dnl Check for structure elements
791                  AC_CHECK_LINUX_STRUCT([address_space_operations],
792                                        [write_begin], [fs.h])
793                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
794                                        [backing-dev.h])
795                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
796                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
797                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
798                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
799                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
800                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
801                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
802                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
803                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
804                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
805                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
806                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
807                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
808                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
809                                        [fs.h])
810                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
811                                        [fs.h])
812                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
813                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
814                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
815                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
816                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
817                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
818                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
819                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
820                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
821                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
822                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
823
824                  dnl Check for typed structure elements
825                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
826                                              [buf], [fs.h])
827
828                  dnl Function existence checks
829
830                  AC_CHECK_LINUX_FUNC([bdi_init],
831                                      [#include <linux/backing-dev.h>],
832                                      [bdi_init(NULL);])
833                  AC_CHECK_LINUX_FUNC([PageChecked],
834                                      [#include <linux/mm.h>
835 #include <linux/page-flags.h>],
836                                      [struct page *_page;
837                                       int bchecked = PageChecked(_page);])
838                  AC_CHECK_LINUX_FUNC([PageFsMisc],
839                                      [#include <linux/mm.h>
840 #include <linux/page-flags.h>],
841                                      [struct page *_page;
842                                       int bchecked = PageFsMisc(_page);])
843                  AC_CHECK_LINUX_FUNC([clear_inode],
844                                      [#include <linux/fs.h>],
845                                      [clear_inode(NULL);])
846                  AC_CHECK_LINUX_FUNC([current_kernel_time],
847                                      [#include <linux/time.h>],
848                                      [struct timespec s;
849                                       s = current_kernel_time();])
850                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
851                                      [#include <linux/fs.h>],
852                                      [d_alloc_anon(NULL);])
853                  AC_CHECK_LINUX_FUNC([d_make_root],
854                                      [#include <linux/fs.h>],
855                                      [d_make_root(NULL);])
856                  AC_CHECK_LINUX_FUNC([do_sync_read],
857                                      [#include <linux/fs.h>],
858                                      [do_sync_read(NULL, NULL, 0, NULL);])
859                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
860                                      [#include <linux/sched.h>],
861                                      [pid_t p; find_task_by_pid(p);])
862                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
863                                      [#include <linux/fs.h>],
864                                      [generic_file_aio_read(NULL,NULL,0,0);])
865                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
866                                      [#include <linux/pagemap.h>],
867                                      [grab_cache_page_write_begin(NULL, 0, 0);])
868                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
869                                      [#include <linux/list.h>],
870                                      [hlist_unhashed(0);])
871                  AC_CHECK_LINUX_FUNC([i_size_read],
872                                      [#include <linux/fs.h>],
873                                      [i_size_read(NULL);])
874                  AC_CHECK_LINUX_FUNC([inode_setattr],
875                                      [#include <linux/fs.h>],
876                                      [inode_setattr(NULL, NULL);])
877                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
878                                      [#include <linux/net.h>],
879                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
880                  AC_CHECK_LINUX_FUNC([page_follow_link],
881                                      [#include <linux/fs.h>],
882                                      [page_follow_link(0,0);])
883                  AC_CHECK_LINUX_FUNC([page_offset],
884                                      [#include <linux/pagemap.h>],
885                                      [page_offset(NULL);])
886                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
887                                      [#include <linux/pagevec.h>],
888                                      [__pagevec_lru_add_file(NULL);])
889                  AC_CHECK_LINUX_FUNC([path_lookup],
890                                      [#include <linux/fs.h>
891                                       #include <linux/namei.h>],
892                                      [path_lookup(NULL, 0, NULL);])
893                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
894                                      [#include <linux/rcupdate.h>],
895                                      [rcu_read_lock();])
896                  AC_CHECK_LINUX_FUNC([set_nlink],
897                                      [#include <linux/fs.h>],
898                                      [set_nlink(NULL, 1);])
899                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
900                                      [#include <linux/splice.h>],
901                                      [splice_direct_to_actor(NULL,NULL,NULL);])
902                  AC_CHECK_LINUX_FUNC([svc_addr_in],
903                                      [#include <linux/sunrpc/svc.h>],
904                                      [svc_addr_in(NULL);])
905                  AC_CHECK_LINUX_FUNC([zero_user_segments],
906                                      [#include <linux/highmem.h>],
907                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
908                  AC_CHECK_LINUX_FUNC([noop_fsync],
909                                      [#include <linux/fs.h>],
910                                      [void *address = &noop_fsync; printk("%p\n", address)];)
911
912                  dnl Consequences - things which get set as a result of the
913                  dnl                above tests
914                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
915                        [AC_DEFINE([AFS_NONFSTRANS], 1,
916                                   [define to disable the nfs translator])])
917
918                  dnl Assorted more complex tests
919                  LINUX_EXPORTS_PROC_ROOT_FS
920                  LINUX_KMEM_CACHE_INIT
921                  LINUX_HAVE_KMEM_CACHE_T
922                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
923                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
924                  LINUX_D_PATH_TAKES_STRUCT_PATH
925                  LINUX_NEW_EXPORT_OPS
926                  LINUX_INODE_SETATTR_RETURN_TYPE
927                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
928                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
929                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
930                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
931                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
932                  LINUX_DOP_D_DELETE_TAKES_CONST
933                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
934                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
935                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
936                  LINUX_FOP_F_FSYNC_TAKES_RANGE
937                  LINUX_AOP_WRITEBACK_CONTROL
938                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
939                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
940                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
941                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
942                  LINUX_KERNEL_SOCK_CREATE
943                  LINUX_EXPORTS_KEY_TYPE_KEYRING
944                  LINUX_NEED_RHCONFIG
945                  LINUX_RECALC_SIGPENDING_ARG_TYPE
946                  LINUX_EXPORTS_TASKLIST_LOCK
947                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
948                  LINUX_STATFS_TAKES_DENTRY
949                  LINUX_REFRIGERATOR
950                  LINUX_HAVE_TRY_TO_FREEZE
951                  LINUX_LINUX_KEYRING_SUPPORT
952                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
953                  LINUX_KEY_ALLOC_NEEDS_CRED
954                  LINUX_INIT_WORK_HAS_DATA
955                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
956                  LINUX_HAVE_DCACHE_LOCK
957                  LINUX_D_COUNT_IS_INT
958                  LINUX_IOP_MKDIR_TAKES_UMODE_T
959                  LINUX_IOP_CREATE_TAKES_UMODE_T
960                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
961
962                  dnl If we are guaranteed that keyrings will work - that is
963                  dnl  a) The kernel has keyrings enabled
964                  dnl  b) The code is new enough to give us a key_type_keyring
965                  dnl then we just disable syscall probing unless we've been
966                  dnl told otherwise
967
968                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
969                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
970                           [enable_linux_syscall_probing="no"],
971                           [enable_linux_syscall_probing="yes"])
972                  ])
973
974                  dnl Syscall probing needs a few tests of its own, and just
975                  dnl won't work if the kernel doesn't export init_mm
976                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
977                    LINUX_EXPORTS_INIT_MM
978                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
979                      AC_MSG_ERROR(
980                        [Can't do syscall probing without exported init_mm])
981                    ])
982                    LINUX_EXPORTS_SYS_CHDIR
983                    LINUX_EXPORTS_SYS_OPEN
984                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
985                              [define to enable syscall table probes])
986                  ])
987
988                  dnl Packaging and SMP build
989                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
990                    LINUX_WHICH_MODULES
991                  else
992                    AC_SUBST(MPS,'SP')
993                  fi
994
995                  dnl Syscall probing
996                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
997                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
998                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
999                    ])
1000                    ac_cv_linux_exports_sys_call_table=no
1001                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1002                      ac_cv_linux_exports_ia32_sys_call_table=yes
1003                    fi
1004                  else
1005                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1006                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1007                    LINUX_EXPORTS_SYS_CALL_TABLE
1008                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1009                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1010                          linux_syscall_method=none
1011                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1012                             linux_syscall_method=scan
1013                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1014                                linux_syscall_method=scan_with_kallsyms_address
1015                             fi
1016                          fi
1017                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1018                             linux_syscall_method=kallsyms_symbol
1019                          fi
1020                          if test "x$linux_syscall_method" = "xnone"; then
1021                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1022                             linux_syscall_method=scan
1023                          fi
1024                    fi
1025                  fi
1026                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1027                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1028                  fi
1029                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1030                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1031                  fi
1032                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1033                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1034                  else
1035                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1036                  fi
1037                 :
1038                 fi
1039 dnl Linux-only, but just enable always.
1040                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1041 esac
1042
1043 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1044     [ac_cv_sync_fetch_and_add],
1045     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1046                     [ac_cv_sync_fetch_and_add=yes],
1047                     [ac_cv_sync_fetch_and_add=no])
1048 ])
1049 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1050       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1051                 [define if your C compiler has __sync_add_and_fetch])])
1052
1053 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1054     [ac_cv_sockaddr_len],
1055     [AC_TRY_COMPILE( [#include <sys/types.h>
1056 #include <sys/socket.h>],
1057                      [struct sockaddr *a; a->sa_len=0;],
1058                      [ac_cv_sockaddr_len=yes],
1059                      [ac_cv_sockaddr_len=no])
1060 ])
1061 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1062       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1063                  [define if you struct sockaddr sa_len])])
1064
1065 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1066         echo Skipping library tests because they confuse Irix.
1067 else
1068   AC_SEARCH_LIBS([socket], [socket inet])
1069   AC_SEARCH_LIBS([connect], [nsl])
1070   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1071
1072   dnl darwin wants it, aix hates it
1073   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1074   AC_TRY_COMPILE([
1075   #include <stdlib.h>
1076   #include <stdio.h>
1077   #include <sys/types.h>
1078   #include <sys/socket.h>
1079   #include <netinet/in.h>
1080   #include <arpa/inet.h>
1081   #include <arpa/nameser.h>
1082   #include <arpa/nameser_compat.h>
1083   #include <resolv.h>
1084   ], [static int i; i = 0;],
1085   [AC_MSG_RESULT(yes)
1086    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1087   [AC_MSG_RESULT(no)
1088    ])
1089
1090   openafs_save_libs="$LIBS"
1091   AC_MSG_CHECKING([for res_search])
1092   AC_FUNC_RES_SEARCH
1093
1094   if test "$ac_cv_func_res_search" = no; then
1095       for lib in dns nsl resolv; do
1096         if test "$ac_cv_func_res_search" != yes; then
1097           LIBS="-l$lib $LIBS"
1098           AC_FUNC_RES_SEARCH
1099           LIBS="$openafs_save_libs"
1100         fi
1101       done    
1102       if test "$ac_cv_func_res_search" = yes; then
1103         LIB_AFSDB="-l$lib"
1104         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1105         AC_MSG_RESULT([yes, in lib$lib])
1106       else
1107         AC_MSG_RESULT(no)
1108       fi
1109   else
1110     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1111     AC_MSG_RESULT(yes)
1112   fi
1113   
1114 fi
1115 XLIBS="$LIB_AFSDB $XLIBS"
1116
1117 AC_CHECK_RESOLV_RETRANS
1118
1119 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1120     [ac_cv_setsockopt_iprecverr],
1121     [AC_TRY_COMPILE( [
1122 #include <sys/types.h>
1123 #include <sys/socket.h>
1124 #include <netinet/in.h>],
1125 [int on=1;
1126 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1127         [ac_cv_setsockopt_iprecverr=yes],
1128         [ac_cv_setsockopt_iprecverr=no])])
1129
1130 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1131       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1132                  [define if asynchronous socket errors can be received])])
1133
1134 PTHREAD_LIBS=error
1135 if test "x$MKAFS_OSTYPE" = OBSD; then
1136         PTHREAD_LIBS="-pthread"
1137 fi
1138 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1139         PTHREAD_LIBS="-pthread"
1140 fi
1141 if test "x$PTHREAD_LIBS" = xerror; then
1142         AC_CHECK_LIB(pthread, pthread_attr_init,
1143                 PTHREAD_LIBS="-lpthread")
1144 fi
1145 if test "x$PTHREAD_LIBS" = xerror; then
1146         AC_CHECK_LIB(pthreads, pthread_attr_init,
1147                 PTHREAD_LIBS="-lpthreads")
1148 fi
1149 if test "x$PTHREAD_LIBS" = xerror; then
1150         AC_CHECK_LIB(c_r, pthread_attr_init,
1151                 PTHREAD_LIBS="-lc_r")
1152 fi
1153 if test "x$PTHREAD_LIBS" = xerror; then
1154         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1155 fi
1156 if test "x$PTHREAD_LIBS" = xerror; then
1157         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1158         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1159                 PTHREAD_LIBS="-lpthread")
1160 fi
1161 if test "x$PTHREAD_LIBS" = xerror; then
1162         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1163 fi
1164 AC_SUBST(PTHREAD_LIBS)
1165
1166 HOST_CPU="$host_cpu"
1167
1168 if test "x$with_bsd_kernel_headers" != "x"; then
1169         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1170 else
1171         BSD_KERNEL_PATH="/usr/src/sys"
1172 fi
1173
1174 if test "x$with_bsd_kernel_build" != "x"; then
1175         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1176 else
1177         case $AFS_SYSNAME in
1178                 *_fbsd_*)
1179                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1180                         ;;
1181                 *_nbsd*)
1182                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1183         esac
1184 fi
1185
1186 # Fast restart
1187 if test "$enable_supergroups" = "yes"; then
1188         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1189 fi
1190
1191 if test "$enable_bitmap_later" = "yes"; then
1192         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1193 fi
1194
1195 if test "$enable_unix_sockets" = "yes"; then
1196         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1197         USE_UNIX_SOCKETS="yes"
1198 else
1199         USE_UNIX_SOCKETS="no"
1200 fi
1201 AC_SUBST(USE_UNIX_SOCKETS)
1202
1203 dnl if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1204 dnl     AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1205 dnl fi
1206
1207 if test "$enable_namei_fileserver" = "yes"; then
1208         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1209         VFSCK=""
1210 else
1211         if test "$enable_namei_fileserver" = "default"; then
1212                 case $host in
1213                         *-solaris2.10*)
1214                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1215                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1216                                 VFSCK=""
1217                                 ;;
1218                         *-solaris2.11*)
1219                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1220                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1221                                 VFSCK=""
1222                                 ;;
1223                         *)
1224                                 VFSCK="vfsck"
1225                                 ;;
1226                 esac
1227         else
1228                 VFSCK="vfsck"
1229         fi
1230 fi
1231
1232 dnl check for tivoli
1233 AC_MSG_CHECKING(for tivoli tsm butc support)
1234 XBSA_CFLAGS=""
1235 if test "$enable_tivoli_tsm" = "yes"; then
1236         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1237         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1238         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1239         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1240
1241         if test -r "$XBSADIR3/dsmapifp.h"; then
1242                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1243                 XBSA_XLIBS="-ldl"
1244                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1245         elif test -r "$XBSADIR4/dsmapifp.h"; then
1246                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1247                 XBSA_XLIBS="-ldl"
1248                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1249         elif test -r "$XBSADIR1/xbsa.h"; then
1250                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1251                 XBSA_XLIBS=""
1252                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1253         elif test -r "$XBSADIR2/xbsa.h"; then
1254                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1255                 XBSA_XLIBS=""
1256                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1257         else
1258                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1259         fi
1260 else
1261         AC_MSG_RESULT([no])
1262 fi
1263 AC_SUBST(XBSA_CFLAGS)
1264 AC_SUBST(XBSA_XLIBS) 
1265
1266 dnl checks for header files.
1267 AC_HEADER_STDC
1268 AC_HEADER_SYS_WAIT
1269 AC_HEADER_DIRENT
1270 AC_CHECK_HEADERS([ \
1271                    arpa/inet.h \
1272                    arpa/nameser.h \
1273                    curses.h\
1274                    direct.h \
1275                    et/com_err.h \
1276                    errno.h \
1277                    fcntl.h \
1278                    grp.h \
1279                    math.h \
1280                    mntent.h \
1281                    ncurses.h \
1282                    netdb.h \
1283                    netinet/in.h \
1284                    pthread_np.h \
1285                    pwd.h \
1286                    regex.h \
1287                    security/pam_appl.h \
1288                    signal.h \
1289                    stdint.h \
1290                    stdio_ext.h \
1291                    stdlib.h \
1292                    string.h \
1293                    strings.h \
1294                    sys/bitypes.h \
1295                    sys/bswap.h \
1296                    sys/dk.h \
1297                    sys/fcntl.h \
1298                    sys/file.h \
1299                    sys/fs_types.h \
1300                    sys/fstyp.h \
1301                    sys/ioctl.h \
1302                    sys/ipc.h \
1303                    sys/lockf.h \
1304                    sys/map.h \
1305                    sys/mount.h \
1306                    sys/mntent.h \
1307                    sys/mnttab.h \
1308                    sys/pag.h \
1309                    sys/param.h \
1310                    sys/resource.h \
1311                    sys/select.h \
1312                    sys/statfs.h \
1313                    sys/statvfs.h \
1314                    sys/socket.h \
1315                    sys/sysctl.h \
1316                    sys/time.h \
1317                    sys/types.h \
1318                    sys/uio.h \
1319                    sys/un.h \
1320                    sys/vfs.h \
1321                    syslog.h \
1322                    termios.h \
1323                    time.h \
1324                    ucontext.h \
1325                    unistd.h \
1326                    windows.h \
1327                 ])
1328
1329 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1330 #ifdef HAVE_NETINET_IN_H
1331 # include <netinet/in.h>
1332 #endif])
1333
1334 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1335 #ifdef HAVE_SYS_SOCKET_H
1336 # include <sys/socket.h>
1337 #endif])
1338
1339 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1340 #ifdef HAVE_SYS_SOCKET_H
1341 # include <sys/socket.h>
1342 #endif
1343 #ifdef HAVE_NETINET_IN_H
1344 # include <netinet/in.h>
1345 #endif
1346 #ifdef HAVE_NET_IF_H
1347 # include <net/if.h>
1348 #endif])
1349
1350 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1351 #ifdef HAVE_SECURITY_PAM_APPL_H
1352 # include <security/pam_appl.h>
1353 #endif])
1354
1355 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1356
1357 AC_CHECK_TYPES([fsblkcnt_t],,,[
1358 #include <sys/types.h>
1359 #ifdef HAVE_SYS_BITYPES_H
1360 #include <sys/bitypes.h>
1361 #endif
1362 #ifdef HAVE_SYS_STATFS_H
1363 #include <sys/statfs.h>
1364 #endif
1365 #ifdef HAVE_SYS_STATVFS_H
1366 #include <sys/statvfs.h>
1367 #endif
1368 ])
1369
1370 dnl see what struct stat has for timestamps
1371 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1372
1373 dnl check for curses-lib
1374 save_LIBS=$LIBS
1375 AC_CHECK_LIB( [ncurses], [setupterm],
1376 [LIB_curses=-lncurses],
1377     [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1378         [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])
1379     ])
1380 ])
1381 LIBS=$save_LIBS
1382 AC_SUBST(LIB_curses)
1383
1384 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1385
1386 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1387 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1388         case $AFS_SYSNAME in
1389         sgi_*)
1390                 HAVE_PAM="no"
1391                 ;;
1392         *)
1393                 HAVE_PAM="yes"
1394                 ;;
1395         esac
1396 else
1397         HAVE_PAM="no"
1398 fi
1399 AC_SUBST(HAVE_PAM)
1400
1401 if test "$enable_login" = yes; then
1402         BUILD_LOGIN="yes"
1403 else
1404         BUILD_LOGIN="no"
1405 fi
1406 AC_SUBST(BUILD_LOGIN)
1407
1408 AC_CHECK_FUNCS([ \
1409         arc4random \
1410         fcntl \
1411         fseeko64 \
1412         ftello64 \
1413         getcwd \
1414         getegid \
1415         geteuid \
1416         getgid \
1417         getuid \
1418         getrlimit \
1419         issetugid \
1420         mkstemp \
1421         pread \
1422         preadv \
1423         preadv64 \
1424         pwrite \
1425         pwritev \
1426         pwritev64 \
1427         regcomp \
1428         regerror \
1429         regexec \
1430         setitimer \
1431         setvbuf \
1432         sigaction \
1433         strcasestr \
1434         strerror \
1435         sysconf \
1436         sysctl \
1437         tdestroy \
1438         timegm \
1439 ])
1440
1441 OPENAFS_ROKEN()
1442 OPENAFS_C_ATTRIBUTE()
1443
1444 dnl Functions that Heimdal's libroken provides, but that we
1445 dnl haven't found a need for yet, and so haven't imported
1446 AC_CHECK_FUNCS([ \
1447         chown \
1448         fchown \
1449         gethostname \
1450         lstat \
1451         inet_aton \
1452         inet_ntop \
1453         inet_pton \
1454         putenv \
1455         readv \
1456         setenv \
1457         strdup \
1458         strftime \
1459         strndup \
1460         strsep \
1461         unsetenv \
1462 ])
1463
1464 dnl Functions that are in objects that we always build from libroken
1465 AC_CHECK_FUNCS([ \
1466         asprintf \
1467         asnprintf \
1468         vasprintf \
1469         vasnprintf \
1470         vsnprintf \
1471         snprintf \
1472 ])
1473
1474 dnl Functions that we're going to try and get from libroken
1475 AC_REPLACE_FUNCS([ \
1476         daemon \
1477         ecalloc \
1478         emalloc \
1479         erealloc \
1480         err \
1481         errx \
1482         flock \
1483         getdtablesize \
1484         getopt \
1485         getprogname \
1486         gettimeofday \
1487         localtime_r \
1488         mkstemp \
1489         setenv \
1490         setprogname \
1491         strcasecmp \
1492         strlcat \
1493         strnlen \
1494         strlcpy \
1495         strsep \
1496         tdelete \
1497         tfind \
1498         tsearch \
1499         twalk \
1500         unsetenv \
1501         verr \
1502         verrx \
1503         vsyslog \
1504         vwarn \
1505         vwarnx \
1506         warn \
1507         warnx \
1508 ])
1509
1510 dnl Headers that we're going to try and get from libroken
1511 AC_CHECK_HEADERS([ \
1512         err.h \
1513         search.h \
1514 ])
1515
1516 AC_CHECK_DECLS([h_errno], [], [], [
1517 #include <sys/types.h>
1518 #ifdef HAVE_NETDB_H
1519 #include <netdb.h>
1520 #endif
1521 ])
1522
1523 AC_HEADER_TIME
1524
1525 ROKEN_HEADERS=
1526 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1527       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1528       [])
1529 AC_SUBST(ROKEN_HEADERS)
1530
1531 dnl Stuff that's harder ...
1532 AC_MSG_CHECKING([for bswap16])
1533 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1534 #ifdef HAVE_SYS_TYPES_H
1535 #include <sys/types.h>
1536 #endif
1537 #ifdef HAVE_SYS_BSWAP_H
1538 #include <sys/bswap.h>
1539 #endif
1540 ],
1541 [short a, b; b = bswap16(a); ])],
1542 [AC_MSG_RESULT(yes)
1543  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1544 ],
1545 [AC_MSG_RESULT(no)])
1546
1547 AC_MSG_CHECKING([for bswap32])
1548 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1549 #include <sys/types.h>
1550 #endif
1551 #ifdef HAVE_SYS_BSWAP_H
1552 #include <sys/bswap.h>
1553 #endif
1554 ],
1555 [int a, b; b = bswap32(a); ])],
1556 [AC_MSG_RESULT(yes)
1557  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1558 ],
1559 [AC_MSG_RESULT(no)])
1560
1561 case $AFS_SYSNAME in
1562 *hp_ux* | *hpux*)
1563    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1564    ;;
1565 *)
1566    AC_MSG_CHECKING([for positional I/O])
1567    if test "$ac_cv_func_pread" = "yes" && \
1568            test "$ac_cv_func_pwrite" = "yes"; then
1569       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1570       AC_MSG_RESULT(yes)
1571    else
1572      AC_MSG_RESULT(no)
1573    fi
1574    AC_MSG_CHECKING([for vectored positional I/O])
1575    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1576                "$ac_cv_func_pwritev" = "yes" -a \
1577                "$ac_cv_func_preadv64" = "yes" -a \
1578                "$ac_cv_func_pwritev64" = "yes"],
1579          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1580           AC_MSG_RESULT(yes)],
1581          [AC_MSG_RESULT(no)])
1582    ;;
1583 esac
1584
1585 AC_MSG_CHECKING([for POSIX regex library])
1586 if test "$ac_cv_header_regex_h" = "yes" && \
1587         test "$ac_cv_func_regcomp" = "yes" && \
1588         test "$ac_cv_func_regexec" = "yes" && \
1589         test "$ac_cv_func_regerror" = "yes"; then
1590     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1591     AC_MSG_RESULT(yes)
1592 else
1593     AC_MSG_RESULT(no)
1594 fi
1595
1596 dnl Look for "non-portable" pthreads functions.
1597 save_LIBS="$LIBS"
1598 LIBS="$LIBS $PTHREAD_LIBS"
1599 AC_CHECK_FUNCS([ \
1600         pthread_set_name_np \
1601         pthread_setname_np \
1602 ])
1603
1604 dnl Sadly, there are three different versions of pthread_setname_np.
1605 dnl Try to cater for all of them.
1606 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1607     AC_MSG_CHECKING([for signature of pthread_setname_np])
1608     AC_TRY_COMPILE([
1609 #include <pthread.h>
1610 #ifdef HAVE_PTHREAD_NP_H
1611 #include <pthread_np.h>
1612 #endif
1613 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1614         AC_MSG_RESULT([three arguments])
1615         pthread_setname_np_args=3], [
1616         AC_TRY_COMPILE([
1617 #include <pthread.h>
1618 #ifdef HAVE_PTHREAD_NP_H
1619 #include <pthread_np.h>
1620 #endif
1621 ], [pthread_setname_np(pthread_self(), "test")], [
1622             AC_MSG_RESULT([two arguments])
1623             pthread_setname_np_args=2], [
1624             AC_TRY_COMPILE([
1625 #include <pthread.h>
1626 #ifdef HAVE_PTHREAD_NP_H
1627 #include <pthread_np.h>
1628 #endif
1629 ], [pthread_setname_np("test")], [
1630                 AC_MSG_RESULT([one argument])
1631                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1632 ])
1633 ])
1634 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1635 fi
1636 LIBS="$save_LIBS"
1637
1638 openafs_cv_saved_CFLAGS="$CFLAGS"
1639 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1640
1641 AC_TYPE_SIGNAL
1642 OPENAFS_RETSIGTYPE
1643 AC_CHECK_SIZEOF(void *)
1644 AC_CHECK_SIZEOF(unsigned long long)
1645 AC_CHECK_SIZEOF(unsigned long)
1646 AC_CHECK_SIZEOF(unsigned int)
1647 AC_TYPE_INTPTR_T
1648 AC_TYPE_UINTPTR_T
1649 AC_TYPE_SSIZE_T
1650 AC_CHECK_TYPE([sig_atomic_t],[],
1651     [AC_DEFINE([sig_atomic_t], [int],
1652         [Define to int if <signal.h> does not define.])],
1653 [#include <sys/types.h>
1654 #include <signal.h>])
1655 AC_CHECK_TYPE([socklen_t],[],
1656     [AC_DEFINE([socklen_t], [int],
1657         [Define to int if <sys/socket.h> does not define.])],
1658 [#include <sys/types.h>
1659 #include <sys/socket.h>])
1660 AC_CHECK_TYPES(off64_t)
1661 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1662 AC_CHECK_TYPES([struct winsize], [], [], [
1663 #ifdef HAVE_TERMIOS_H
1664 # include <termios.h>
1665 #else
1666 # include <sys/termios.h>
1667 #endif
1668 #include <sys/ioctl.h>])
1669 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1670                 struct sockaddr_storage],
1671                [], [], [
1672 #include <sys/types.h>
1673 #include <sys/socket.h>
1674 ])
1675 AC_CHECK_TYPES([sa_family_t], [], [], [
1676 #include <sys/types.h>
1677 #include <sys/socket.h>
1678 ])
1679 AC_CHECK_TYPES([struct addrinfo], [], [], [
1680 #include <sys/types.h>
1681 #ifdef HAVE_NETDB_H
1682 #include <netdb.h>
1683 #endif
1684 ])
1685 AC_CHECK_TYPES([long long], [], [], [])
1686
1687 AC_SIZEOF_TYPE(long)
1688
1689 CFLAGS="$openafs_cv_saved_CFLAGS"
1690
1691 RRA_HEADER_PAM_CONST
1692
1693
1694 dnl Directory PATH handling
1695 if test "x$enable_transarc_paths" = "xyes"  ; then 
1696     afsconfdir=${afsconfdir=/usr/afs/etc}
1697     viceetcdir=${viceetcdir=/usr/vice/etc}
1698     afskerneldir=${afskerneldir=${viceetcdir}}
1699     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1700     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1701     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1702     afsdbdir=${afsdbdir=/usr/afs/db}
1703     afslogsdir=${afslogsdir=/usr/afs/logs}
1704     afslocaldir=${afslocaldir=/usr/afs/local}
1705     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1706     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1707     afsdatadir=${afsdatadir=/usr/vice/etc}
1708 else 
1709     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1710     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1711     afskerneldir=${afskerneldir='${libdir}/openafs'}
1712     afssrvbindir=${afssrvbindir='${bindir}'}
1713     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1714     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1715     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1716     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1717     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1718     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1719     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1720     afsdatadir=${afsdatadir='${datadir}/openafs'}
1721 fi
1722 AC_SUBST(afsconfdir)
1723 AC_SUBST(viceetcdir)
1724 AC_SUBST(afskerneldir)
1725 AC_SUBST(afssrvbindir)
1726 AC_SUBST(afssrvsbindir)
1727 AC_SUBST(afssrvlibexecdir)
1728 AC_SUBST(afsdbdir)
1729 AC_SUBST(afslogsdir)
1730 AC_SUBST(afslocaldir)
1731 AC_SUBST(afsbackupdir)
1732 AC_SUBST(afsbosconfigdir)
1733 AC_SUBST(afsdatadir)
1734
1735 if test "x$enable_kernel_module" = "xyes"; then
1736 ENABLE_KERNEL_MODULE=libafs
1737 fi
1738
1739 if test "x$enable_pthreaded_ubik" = "xyes"; then
1740 ENABLE_PTHREADED_UBIK=yes
1741 fi
1742
1743 AC_SUBST(VFSCK)
1744 AC_SUBST(AFS_SYSNAME)
1745 AC_SUBST(AFS_PARAM_COMMON)
1746 AC_SUBST(ENABLE_KERNEL_MODULE)
1747 AC_SUBST(ENABLE_PTHREADED_UBIK)
1748 AC_SUBST(LIB_AFSDB)
1749 AC_SUBST(LINUX_KERNEL_PATH)
1750 AC_SUBST(LINUX_KERNEL_BUILD)
1751 AC_SUBST(HOST_CPU)
1752 AC_SUBST(BSD_KERNEL_PATH)
1753 AC_SUBST(BSD_KERNEL_BUILD)
1754 AC_SUBST(LINUX_VERSION)
1755 AC_SUBST(MKAFS_OSTYPE)
1756 AC_SUBST(TOP_OBJDIR)
1757 AC_SUBST(TOP_SRCDIR)
1758 AC_SUBST(TOP_INCDIR)
1759 AC_SUBST(TOP_LIBDIR)
1760 AC_SUBST(DEST)
1761 AC_SUBST(DARWIN_INFOFILE)
1762 AC_SUBST(IRIX_BUILD_IP35)
1763 AC_SUBST(HTML_XSL)
1764 AC_SUBST(XSLTPROC)
1765 AC_SUBST(DOCBOOK2PDF)
1766 AC_SUBST(DOCBOOK_STYLESHEETS)
1767
1768 OPENAFS_FUSE
1769 OPENAFS_SWIG
1770
1771 TOP_SRCDIR="${srcdir}/src"
1772 dnl
1773 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1774 dnl
1775 case $TOP_SRCDIR in
1776         /*)
1777                 ;;
1778         *)
1779                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1780                 ;;
1781 esac
1782
1783 TOP_OBJDIR="${SRCDIR_PARENT}"
1784 TOP_INCDIR="${SRCDIR_PARENT}/include"
1785 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1786 if test "${DEST}x" = "x"; then
1787         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1788 fi
1789
1790 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1791 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1792 AC_SUBST(HELPER_SPLINT)
1793 AC_SUBST(HELPER_SPLINTCFG)
1794
1795 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1796
1797 dnl Check to see if crypt lives in a different library
1798 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1799 AC_SUBST(LIB_crypt)
1800
1801 dnl Check to see if the compiler support labels in structs
1802 AC_MSG_CHECKING(for label support in structs)
1803 AC_TRY_COMPILE([], [
1804 extern void osi_UFSOpen(void);
1805 struct labeltest {
1806    void (*open) (void);
1807 };
1808 struct labeltest struct_labeltest = {
1809    .open       = osi_UFSOpen,
1810 }
1811 ],
1812 [AC_MSG_RESULT(yes)
1813  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1814 ],
1815 [AC_MSG_RESULT(no)
1816 ])
1817
1818 AC_MSG_CHECKING([checking for dirfd])
1819 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1820 #ifdef HAVE_DIRENT_H
1821 #include <dirent.h>
1822 #endif
1823 ]],
1824         [[DIR *d = 0; dirfd(d);]])],
1825         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1826 if test "$ac_rk_have_dirfd" = "yes" ; then
1827         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1828 fi
1829 AC_MSG_RESULT($ac_rk_have_dirfd)
1830
1831 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1832 #ifdef HAVE_DIRENT_H
1833 #include <dirent.h>
1834 #endif])
1835
1836 dnl Eventually, this will look for the system one, or for OpenSSL
1837 LIB_hcrypto="-lafshcrypto"
1838 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1839 AC_SUBST(LIB_hcrypto)
1840 AC_SUBST(LDFLAGS_hcrypto)
1841 ])
1842
1843 AC_DEFUN([SUMMARY], [
1844     # Print a configuration summary
1845 echo 
1846 echo "**************************************"
1847 echo configure summary
1848 echo
1849 AS_IF([test $LIB_curses],[
1850 echo "LIB_curses :                $LIB_curses" ],[
1851 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1852 ])
1853 echo 
1854 echo "**************************************"
1855 ])