Linux: change test for new putname API
[openafs.git] / acinclude.m4
1 dnl This file contains the common configuration code which would
2 dnl otherwise be duplicated between configure and configure-libafs.
3 dnl
4 dnl NB: Because this code is a macro, references to positional shell
5 dnl parameters must be done like $[]1 instead of $1
6
7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
8 AH_BOTTOM([
9 #undef HAVE_RES_SEARCH
10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
12 # if ENDIANESS_IN_SYS_PARAM_H
13 #  ifndef KERNEL
14 #   include <sys/types.h>
15 #   include <sys/param.h>
16 #   if BYTE_ORDER == BIG_ENDIAN
17 #   define WORDS_BIGENDIAN 1
18 #   endif
19 #  else
20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
21 #    define WORDS_BIGENDIAN 1
22 #   else
23 #    undef WORDS_BIGENDIAN
24 #   endif
25 #  endif
26 # else
27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
28 #   define WORDS_BIGENDIAN 1
29 #  else
30 #   undef WORDS_BIGENDIAN
31 #  endif
32 # endif
33 #else
34 # if defined(__BIG_ENDIAN__)
35 #  define WORDS_BIGENDIAN 1
36 # else
37 #  undef WORDS_BIGENDIAN
38 # endif
39 #endif
40 #ifdef UKERNEL
41 /*
42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
43  * play nice with some other interfaces like FUSE. We technically only would
44  * need to define this when building for such interfaces, but set it always to
45  * try and reduce potential confusion. 
46  */
47 #define _FILE_OFFSET_BITS 64
48 #define AFS_CACHE_VNODE_PATH
49 #endif
50
51 #undef AFS_NAMEI_ENV
52 #undef BITMAP_LATER
53 #undef FAST_RESTART
54 #undef DEFINED_FOR_EACH_PROCESS
55 #undef DEFINED_PREV_TASK
56 #undef EXPORTED_SYS_CALL_TABLE
57 #undef EXPORTED_IA32_SYS_CALL_TABLE
58 #undef IRIX_HAS_MEM_FUNCS
59 #undef RECALC_SIGPENDING_TAKES_VOID
60 #undef STRUCT_FS_HAS_FS_ROLLED
61 #undef ssize_t
62 /* glue for RedHat kernel bug */
63 #undef ENABLE_REDHAT_BUILDSYS
64 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
65 #include "redhat-fix.h"
66 #endif])
67
68 AC_CANONICAL_HOST
69 SRCDIR_PARENT=`pwd`
70
71 #BOZO_SAVE_CORES pam
72
73 dnl System identity.
74 AC_ARG_WITH([afs-sysname],
75     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
76
77 dnl General feature options.
78 AC_ARG_ENABLE([pam],
79     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
80     ,
81     [enable_pam="yes"])
82 AC_ARG_ENABLE([gtx],
83     AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools]))
84 AC_ARG_ENABLE([uss],
85     AS_HELP_STRING([--disable-uss], [disable uss bulk creation tool]))
86 AC_ARG_ENABLE([namei-fileserver],
87     [AS_HELP_STRING([--enable-namei-fileserver],
88         [force compilation of namei fileserver in preference to inode
89          fileserver])],
90     , 
91     [enable_namei_fileserver="default"])
92 AC_ARG_ENABLE([supergroups],
93     [AS_HELP_STRING([--enable-supergroups],
94         [enable support for nested pts groups])],
95     , 
96     [enable_supergroups="no"])
97 AC_ARG_ENABLE([bitmap-later],
98     [AS_HELP_STRING([--enable-bitmap-later],
99         [enable fast startup of file server by not reading bitmap till
100          needed])],
101     , 
102     [enable_bitmap_later="no"])
103 AC_ARG_ENABLE([unix-sockets],
104     [AS_HELP_STRING([--disable-unix-sockets],
105         [disable use of unix domain sockets for fssync (defaults to enabled)])],
106     ,
107     [enable_unix_sockets="yes"])
108 AC_ARG_ENABLE([tivoli-tsm],
109     [AS_HELP_STRING([--enable-tivoli-tsm],
110         [enable use of the Tivoli TSM API libraries for butc support])],
111     , 
112     [enable_tivoli_tsm="no"])
113 AC_ARG_ENABLE([pthreaded-ubik],
114     [AS_HELP_STRING([--enable-pthreaded-ubik],
115         [enable installation of pthreaded ubik applications (defaults to
116          disabled)])],
117     ,
118     [enable_pthreaded_ubik="no"])
119
120 dnl Kernel module build options.
121 AC_ARG_WITH([linux-kernel-headers],
122     [AS_HELP_STRING([--with-linux-kernel-headers=path],
123         [use the kernel headers found at path (optional, defaults to
124          /usr/src/linux-2.4, then /usr/src/linux)])])
125 AC_ARG_WITH([linux-kernel-build],
126     [AS_HELP_STRING([--with-linux-kernel-build=path],
127         [use the kernel build found at path(optional, defaults to 
128         /usr/src/linux-2.4, then /usr/src/linux)])])
129 AC_ARG_WITH([bsd-kernel-headers],
130     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
131         [use the kernel headers found at path (optional, defaults to
132          /usr/src/sys)])])
133 AC_ARG_WITH([bsd-kernel-build],
134     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
135         [use the kernel build found at path (optional, defaults to
136          KSRC/i386/compile/GENERIC)])])
137 AC_ARG_WITH([linux-kernel-packaging],
138     [AS_HELP_STRING([--with-linux-kernel-packaging],
139         [use standard naming conventions to aid Linux kernel build packaging
140          (disables MPS, sets the kernel module name to openafs.ko, and
141          installs kernel modules into the standard Linux location)])],
142     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
143      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
144     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
145 AC_ARG_ENABLE([kernel-module],
146     [AS_HELP_STRING([--disable-kernel-module],
147         [disable compilation of the kernel module (defaults to enabled)])],
148     , 
149     [enable_kernel_module="yes"])
150 AC_ARG_ENABLE([redhat-buildsys],
151     [AS_HELP_STRING([--enable-redhat-buildsys],
152         [enable compilation of the redhat build system kernel (defaults to
153          disabled)])],
154     ,
155     [enable_redhat_buildsys="no"])
156
157 dnl Installation locations.
158 AC_ARG_ENABLE([transarc-paths],
159     [AS_HELP_STRING([--enable-transarc-paths],
160         [use Transarc style paths like /usr/afs and /usr/vice])],
161     , 
162     [enable_transarc_paths="no"])
163
164 dnl Optimization and debugging flags.
165 AC_ARG_ENABLE([strip-binaries],
166     [AS_HELP_STRING([--disable-strip-binaries],
167         [disable stripping of symbol information from binaries (defaults to
168          enabled)])],
169     ,
170     [enable_strip_binaries="maybe"])
171 AC_ARG_ENABLE([debug],
172     [AS_HELP_STRING([--enable-debug],
173         [enable compilation of the user space code with debugging information
174          (defaults to disabled)])],
175     , 
176     [enable_debug="no"])
177 AC_ARG_ENABLE([optimize],
178     [AS_HELP_STRING([--disable-optimize],
179         [disable optimization for compilation of the user space code (defaults
180          to enabled)])],
181     , 
182     [enable_optimize="yes"])
183 AC_ARG_ENABLE([warnings],
184     [AS_HELP_STRING([--enable-warnings],
185         [enable compilation warnings when building with gcc (defaults to
186          disabled)])],
187     ,
188     [enable_warnings="no"])
189 AC_ARG_ENABLE([checking],
190     [AS_HELP_STRING([--enable-checking],
191         [turn compilation warnings into errors when building with gcc (defaults
192          to disabled)])],
193     [enable_checking="$enableval"],
194     [enable_checking="no"])
195 AC_ARG_ENABLE([debug-locks],
196     [AS_HELP_STRING([--enable-debug-locks],
197         [turn on lock debugging assertions (defaults to disabled)])],
198     [enable_debug_locks="$enableval"],
199     [enable_debug_locks="no"])
200 AC_ARG_ENABLE([debug-kernel],
201     [AS_HELP_STRING([--enable-debug-kernel],
202         [enable compilation of the kernel module with debugging information
203          (defaults to disabled)])],
204     ,
205     [enable_debug_kernel="no"])
206 AC_ARG_ENABLE([optimize-kernel],
207     [AS_HELP_STRING([--disable-optimize-kernel],
208         [disable compilation of the kernel module with optimization (defaults
209          based on platform)])],
210     , 
211     [enable_optimize_kernel=""])
212 AC_ARG_ENABLE([debug-lwp],
213     [AS_HELP_STRING([--enable-debug-lwp],
214         [enable compilation of the LWP code with debugging information
215          (defaults to disabled)])],
216     ,
217     [enable_debug_lwp="no"])
218 AC_ARG_ENABLE([optimize-lwp],
219     [AS_HELP_STRING([--disable-optimize-lwp],
220         [disable optimization for compilation of the LWP code (defaults to
221          enabled)])],
222     ,
223     [enable_optimize_lwp="yes"])
224 AC_ARG_ENABLE([debug-pam],
225     [AS_HELP_STRING([--enable-debug-pam],
226         [enable compilation of the PAM code with debugging information
227          (defaults to disabled)])],
228     ,
229     [enable_debug_pam="no"])
230 AC_ARG_ENABLE([optimize-pam],
231     [AS_HELP_STRING([--disable-optimize-pam],
232         [disable optimization for compilation of the PAM code (defaults to
233          enabled)])],
234     ,
235     [enable_optimize_pam="yes"])
236 AC_ARG_ENABLE([linux-syscall-probing],
237     [AS_HELP_STRING([--enable-linux-syscall-probing],
238         [enable Linux syscall probing (defaults to autodetect)])],
239     ,
240     [enable_linux_syscall_probing="maybe"])
241 AC_ARG_WITH([crosstools-dir],
242     [AS_HELP_STRING([--with-crosstools-dir=path], [use path for native versions of rxgen, compile_et and config])])
243     
244 AC_ARG_WITH([xslt-processor],
245         AS_HELP_STRING([--with-xslt-processor=ARG],
246         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
247         [XSLTPROC="$withval"],
248         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
249
250 AC_ARG_WITH([html-xsl], 
251         AS_HELP_STRING([--with-html-xsl],
252         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
253         [HTML_XSL="$withval"],
254         [HTML_XSL="html/chunk.xsl"])
255
256 AC_ARG_WITH([docbook2pdf],
257         AS_HELP_STRING([--with-docbook2pdf=ARG],
258         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
259         [DOCBOOK2PDF="$withval"],
260         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
261
262 AC_ARG_WITH([docbook-stylesheets],
263         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
264         [location of DocBook stylesheets (default is to search a set of likely paths)]),
265         [DOCBOOK_STYLESHEETS="$withval"],
266         OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
267         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
268                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
269         fi)
270
271 enable_login="no"
272
273 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
274 dnl documentation build.
275 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
276
277 dnl weird ass systems
278 dnl AC_AIX
279 AC_ISC_POSIX
280 dnl AC_MINIX
281
282 dnl Various compiler setup.
283 AC_TYPE_PID_T
284 AC_TYPE_SIZE_T
285
286 dnl Checks for programs.
287 AC_PROG_INSTALL
288 AC_PROG_LN_S
289 AC_PROG_RANLIB
290 AC_PROG_YACC
291 AM_PROG_LEX
292 dnl if we are flex, be lex-compatible
293 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
294
295 OPENAFS_FORCE_ABS_INSTALL
296 OPENAFS_CHECK_BIGENDIAN
297 OPENAFS_PRINTF_TAKES_Z_LEN
298
299 AC_MSG_CHECKING(your OS)
300 system=$host
301 case $system in
302         *-linux*)
303
304                 MKAFS_OSTYPE=LINUX
305                 if test "x$enable_redhat_buildsys" = "xyes"; then
306                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
307                 fi
308                 if test "x$enable_kernel_module" = "xyes"; then
309                  if test "x$with_linux_kernel_headers" != "x"; then
310                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
311                  else
312                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
313                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
314                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
315                    fi
316                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
317                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
318                    fi
319                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
320                      LINUX_KERNEL_PATH="/usr/src/linux"
321                    fi
322                  fi
323                  if test "x$with_linux_kernel_build" != "x"; then
324                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
325                  else
326                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
327                  fi
328                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
329                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
330                    LINUX_VERSION="$linux_kvers"
331                  else
332                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
333                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
334                      LINUX_VERSION="$linux_kvers"
335                    else
336                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
337                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
338                        if test "x$linux_kvers" = "x"; then
339                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
340                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
341                            if test "x$linux_kvers" = "x"; then
342                              AC_MSG_ERROR(Linux headers lack version definition [2])
343                              exit 1
344                            else
345                              LINUX_VERSION="$linux_kvers"
346                            fi
347                          else
348                            AC_MSG_ERROR(Linux headers lack version definition)
349                            exit 1
350                          fi
351                        else
352                          LINUX_VERSION="$linux_kvers"
353                        fi
354                      else
355                        enable_kernel_module="no"
356                      fi
357                    fi
358                  fi
359                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
360                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
361                      enable_kernel_module="no"
362                  fi
363                  if test "x$enable_kernel_module" = "xno"; then
364                   if test "x$with_linux_kernel_headers" != "x"; then
365                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
366                    exit 1
367                   else
368                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
369                   fi
370                  fi
371                  dnl do we need to determine SUBARCH from autoconf.h
372                  SUBARCH=default
373                 fi
374                 AC_MSG_RESULT(linux)
375                 if test "x$enable_kernel_module" = "xyes"; then
376                  case "$LINUX_VERSION" in
377                   2.2.*) AFS_SYSKVERS=22 ;;
378                   2.4.*) AFS_SYSKVERS=24 ;;
379                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
380                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
381                  esac
382                 fi
383                 ;;
384         *-solaris*)
385                 MKAFS_OSTYPE=SOLARIS
386                 AC_MSG_RESULT(sun4)
387                 AC_PATH_PROG(SOLARISCC, [cc], ,
388                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
389                 if test "x$SOLARISCC" = "x" ; then
390                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
391                 fi
392                 SOLARIS_UFSVFS_HAS_DQRWLOCK
393                 SOLARIS_FS_HAS_FS_ROLLED
394                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
395                 ;;
396         *-sunos*)
397                 MKAFS_OSTYPE=SUNOS
398                 enable_kernel_module=no
399                 AC_MSG_RESULT(sun4)
400                 ;;
401         *-hpux*)
402                 MKAFS_OSTYPE=HPUX
403                 AC_MSG_RESULT(hp_ux)
404                 if test -f "/usr/old/usr/include/ndir.h"; then
405                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
406                 fi
407                 ;;
408         *-irix*)
409                 if test -d /usr/include/sys/SN/SN1; then
410                  IRIX_BUILD_IP35="IP35"
411                 fi
412                 MKAFS_OSTYPE=IRIX
413                 AC_MSG_RESULT(sgi)
414                 ;;
415         *-aix*)
416                 MKAFS_OSTYPE=AIX
417                 AC_MSG_RESULT(rs_aix)
418                 ;;
419         arm-*-darwin*)
420                 MKAFS_OSTYPE=DARWIN
421                 AC_MSG_RESULT(arm_darwin)
422                 ;;
423         powerpc-*-darwin*)
424                 MKAFS_OSTYPE=DARWIN
425                 AC_MSG_RESULT(ppc_darwin)
426                 ;;
427         i386-*-darwin*)
428                 MKAFS_OSTYPE=DARWIN
429                 AC_MSG_RESULT(x86_darwin)
430                 ;;
431         x86_64-*-darwin*)
432                 MKAFS_OSTYPE=DARWIN
433                 AC_MSG_RESULT(x86_darwin)
434                 ;;
435         i386-*-freebsd*)
436                 MKAFS_OSTYPE=FBSD
437                 AC_MSG_RESULT(i386_fbsd)
438                 ;;
439         x86_64-*-freebsd*)
440                 MKAFS_OSTYPE=FBSD
441                 AC_MSG_RESULT(amd64_fbsd)
442                 ;;
443         *-netbsd*)
444                 MKAFS_OSTYPE=NBSD
445                 AC_MSG_RESULT(nbsd)
446                 ;;
447         x86_64-*-openbsd*)
448                 MKAFS_OSTYPE=OBSD
449                 AC_MSG_RESULT(amd64_obsd)
450                 ;;
451         i386-*-openbsd*)
452                 MKAFS_OSTYPE=OBSD
453                 AC_MSG_RESULT(i386_obsd)
454                 ;;
455         *-dragonfly*)
456                 MKAFS_OSTYPE=DFBSD
457                 AC_MSG_RESULT(i386_dfbsd)
458                 ;;
459         *)
460                 AC_MSG_RESULT($system)
461                 ;;
462 esac
463
464 if test "x$with_afs_sysname" != "x"; then
465         AFS_SYSNAME="$with_afs_sysname"
466 else
467         AC_MSG_CHECKING(your AFS sysname)
468         case $host in
469                 i?86-*-openbsd?.?)
470                         v=${host#*openbsd}
471                         vM=${v%.*}
472                         vm=${v#*.}
473                         AFS_SYSNAME="i386_obsd${vM}${vm}"
474                         ;;
475                 sparc64-*-openbsd?.?)
476                         v=${host#*openbsd}
477                         vM=${v%.*}
478                         vm=${v#*.}
479                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
480                         ;;
481                 x86_64-*-openbsd?.?)
482                         v=${host#*openbsd}
483                         vM=${v%.*}
484                         vm=${v#*.}
485                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
486                         ;;
487                 i?86-*-freebsd*.*)
488                         v=${host#*freebsd}
489                         vM=${v%.*}
490                         vm=${v#*.}
491                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
492                         ;;
493                 x86_64-*-freebsd*.*)
494                         v=${host#*freebsd}
495                         vM=${v%.*}
496                         vm=${v#*.}
497                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
498                         ;;
499                 i386-*-dragonfly?.*)
500                         v=${host#*dragonfly}
501                         vM=${v%.*}
502                         vm=${v#*.}
503                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
504                         ;;
505                 i?86-*-netbsd*1.6[[M-Z]]*)
506                         AFS_SYSNAME="i386_nbsd20"
507                         ;;
508                 powerpc-*-netbsd*1.6[[M-Z]]*)
509                         AFS_SYSNAME="ppc_nbsd20"
510                         ;;
511                 *-*-netbsd*)
512                         arch=${host%%-unknown*}
513                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
514                                                -e 's/powerpc/ppc/g')
515                         v=${host#*netbsd}
516                         v=${v#*aout}
517                         v=${v#*ecoff}
518                         v=${v#*elf}
519                         vM=${v%%.*}
520                         vM=${vM%.*}
521                         v=${v#*.}
522                         vm=${v%%.*}
523                         vm=${vm%.*}
524                         vm=${vm%%[[_A-Z]]*}
525                         if test $vm -eq 99 ; then
526                                 vM=$((vM+1))
527                         fi
528                         if test $vM -gt 1 ; then
529                                 vm=0
530                         fi
531                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
532                         ;;
533                 hppa*-hp-hpux11.0*)
534                         AFS_SYSNAME="hp_ux110"
535                         ;;
536                 hppa*-hp-hpux11.11)
537                         AFS_SYSNAME="hp_ux11i"
538                         ;;
539                 hppa*-hp-hpux11.23)
540                         AFS_SYSNAME="hp_ux1123"
541                         ;;
542                 ia64-hp-hpux11.22)
543                         AFS_SYSNAME="ia64_hpux1122"
544                         ;;
545                 ia64-hp-hpux*)
546                         AFS_SYSNAME="ia64_hpux1123"
547                         ;;
548                 hppa*-hp-hpux10*)
549                         AFS_SYSNAME="hp_ux102"
550                         ;;
551                 powerpc-apple-darwin7*)
552                         AFS_SYSNAME="ppc_darwin_70"
553                         OSXSDK="macosx10.3"
554                         ;;
555                 powerpc-apple-darwin8.*)
556                         AFS_SYSNAME="ppc_darwin_80"
557                         OSXSDK="macosx10.4"
558                         ;;
559                 i386-apple-darwin8.*)
560                         AFS_SYSNAME="x86_darwin_80"
561                         OSXSDK="macosx10.4"
562                         ;;
563                 powerpc-apple-darwin9.*)
564                         AFS_SYSNAME="ppc_darwin_90"
565                         OSXSDK="macosx10.5"
566                         ;;
567                 i386-apple-darwin9.*)
568                         AFS_SYSNAME="x86_darwin_90"
569                         OSXSDK="macosx10.5"
570                         ;;
571                 i?86-apple-darwin10.*)
572                         AFS_SYSNAME="x86_darwin_100"
573                         OSXSDK="macosx10.6"
574                         ;;
575                 x86_64-apple-darwin10.*)
576                         AFS_SYSNAME="x86_darwin_100"
577                         OSXSDK="macosx10.6"
578                         ;;
579                 arm-apple-darwin10.*)
580                         AFS_SYSNAME="arm_darwin_100"
581                         OSXSDK="iphoneos4.0"
582                         ;;
583                 x86_64-apple-darwin11.*)
584                         AFS_SYSNAME="x86_darwin_110"
585                         OSXSDK="macosx10.7"
586                         ;;
587                 i?86-apple-darwin11.*)
588                         AFS_SYSNAME="x86_darwin_110"
589                         OSXSDK="macosx10.7"
590                         ;;
591                 x86_64-apple-darwin12.*)
592                         AFS_SYSNAME="x86_darwin_120"
593                         OSXSDK="macosx10.8"
594                         ;;
595                 i?86-apple-darwin12.*)
596                         AFS_SYSNAME="x86_darwin_120"
597                         OSXSDK="macosx10.8"
598                         ;;
599                 sparc-sun-solaris2.8)
600                         AFS_SYSNAME="sun4x_58"
601                         ;;
602                 sparc-sun-solaris2.9)
603                         AFS_SYSNAME="sun4x_59"
604                         ;;
605                 sparc-sun-solaris2.10)
606                         AFS_SYSNAME="sun4x_510"
607                         ;;
608                 sparc-sun-solaris2.11)
609                         AFS_SYSNAME="sun4x_511"
610                         ;;
611                 i386-pc-solaris2.8)
612                         AFS_SYSNAME="sunx86_58"
613                         ;;
614                 i386-pc-solaris2.9)
615                         AFS_SYSNAME="sunx86_59"
616                         ;;
617                 i386-pc-solaris2.10)
618                         AFS_SYSNAME="sunx86_510"
619                         ;;
620                 i386-pc-solaris2.11)
621                         AFS_SYSNAME="sunx86_511"
622                         ;;
623                 alpha*-dec-osf4.0*)
624                         AFS_SYSNAME="alpha_dux40"
625                         ;;
626                 alpha*-dec-osf5.0*)
627                         AFS_SYSNAME="alpha_dux50"
628                         ;;
629                 alpha*-dec-osf5.1*)
630                         AFS_SYSNAME="alpha_dux51"
631                         ;;
632                 mips-sgi-irix6.5)
633                         AFS_SYSNAME="sgi_65"
634                         ;;
635                 ia64-*-linux*)
636                         AFS_SYSNAME="ia64_linuxXX"
637                         ;;
638                 powerpc-*-linux*)
639                         AFS_SYSNAME="`/bin/arch`_linuxXX"
640                         ;;
641                 powerpc64-*-linux*)
642                         AFS_SYSNAME="ppc64_linuxXX"
643                         ;;
644                 alpha*-linux*)
645                         AFS_SYSNAME="alpha_linux_XX"
646                         ;;
647                 s390-*-linux*)
648                         AFS_SYSNAME="s390_linuxXX"
649                         ;;
650                 s390x-*-linux*)
651                         AFS_SYSNAME="s390x_linuxXX"
652                         ;;
653                 sparc-*-linux*)
654                         AFS_SYSNAME="`/bin/arch`_linuxXX"
655                         ;;
656                 sparc64-*-linux*)
657                         AFS_SYSNAME="sparc64_linuxXX"
658                         ;;
659                 i?86-*-linux*)
660                         AFS_SYSNAME="i386_linuxXX"
661                         ;;
662                 arm*-linux*)
663                         AFS_SYSNAME="arm_linuxXX"
664                         ;;
665                 parisc-*-linux-gnu|hppa-*-linux-gnu)
666                         AFS_SYSNAME="parisc_linuxXX"
667                         enable_pam="no"
668                         ;;
669                 power*-ibm-aix4.2*)
670                         AFS_SYSNAME="rs_aix42"
671                         enable_pam="no"
672                         ;;
673                 power*-ibm-aix4.3*)
674                         AFS_SYSNAME="rs_aix42"
675                         enable_pam="no"
676                         ;;
677                 power*-ibm-aix5.1*)
678                         AFS_SYSNAME="rs_aix51"
679                         enable_pam="no"
680                         ;;
681                 power*-ibm-aix5.2*)
682                         AFS_SYSNAME="rs_aix52"
683                         enable_pam="no"
684                         ;;
685                 power*-ibm-aix5.3*)
686                         AFS_SYSNAME="rs_aix53"
687                         enable_pam="no"
688                         ;;
689                 power*-ibm-aix6.1*)
690                         AFS_SYSNAME="rs_aix61"
691                         enable_pam="no"
692                         ;;
693                 x86_64-*-linux-gnu)
694                         AFS_SYSNAME="amd64_linuxXX"
695                         enable_pam="yes"
696                         ;;
697                 *)
698                         AC_MSG_ERROR(An AFS sysname is required)
699                         exit 1
700                         ;;
701         esac
702         case $AFS_SYSNAME in
703                 *_linux* | *_umlinux*)
704                         if test "x${AFS_SYSKVERS}" = "x"; then
705                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
706                         fi
707                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
708                         AFS_SYSNAME="$_AFS_SYSNAME"
709                         AC_TRY_KBUILD(
710                          [],
711                          [#ifndef CONFIG_USERMODE
712                           #error not UML
713                           #endif],
714                          ac_cv_linux_is_uml=yes,)
715                         if test "${ac_cv_linux_is_uml}" = yes; then
716                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
717                         fi
718                         AFS_SYSNAME="$_AFS_SYSNAME"
719                         ;;
720         esac
721         AC_MSG_RESULT($AFS_SYSNAME)
722 fi
723
724 case $AFS_SYSNAME in
725         *_darwin*)
726                 AC_CHECK_HEADERS(crt_externs.h)
727                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
728                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
729                 AC_SUBST(OSXSDK)
730                 ;;
731 esac
732
733 dnl Some hosts have a separate common param file they should include.  Figure
734 dnl out if we're on one of them now that we know the sysname.
735 case $AFS_SYSNAME in
736     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
737     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
738     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
739     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
740     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
741     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
742     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
743     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
744     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
745     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
746     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
747     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
748     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
749     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
750     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
751     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
752     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
753     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
754     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
755     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
756     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
757     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
758     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
759     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
760     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
761     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
762     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
763     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
764     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
765 # Linux alpha adds an extra underscore for no good reason.
766     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
767     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
768     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
769 esac
770
771 OPENAFS_OSCONF
772
773 case $AFS_SYSNAME in *_linux* | *_umlinux*)
774
775                 # Add (sub-) architecture-specific paths needed by conftests
776                 case $AFS_SYSNAME  in
777                         *_umlinux26)
778                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
779                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
780                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
781                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
782                 esac
783
784                 if test "x$enable_kernel_module" = "xyes"; then
785                  if test "x$enable_debug_kernel" = "xno"; then
786                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
787                  fi
788                  OPENAFS_GCC_SUPPORTS_MARCH
789                  AC_SUBST(P5PLUS_KOPTS)
790                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
791                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
792                  OPENAFS_GCC_SUPPORTS_NO_COMMON
793                  OPENAFS_GCC_SUPPORTS_PIPE
794                  AC_SUBST(LINUX_GCC_KOPTS)
795
796                  dnl Setup the kernel build environment
797                  LINUX_KBUILD_USES_EXTRA_CFLAGS
798                  LINUX_KERNEL_COMPILE_WORKS
799
800                  dnl Check for header files
801                  AC_CHECK_LINUX_HEADER([config.h])
802                  AC_CHECK_LINUX_HEADER([completion.h])
803                  AC_CHECK_LINUX_HEADER([exportfs.h])
804                  AC_CHECK_LINUX_HEADER([freezer.h])
805                  AC_CHECK_LINUX_HEADER([key-type.h])
806                  AC_CHECK_LINUX_HEADER([semaphore.h])
807                  AC_CHECK_LINUX_HEADER([seq_file.h])
808
809                  dnl Type existence checks
810                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
811
812                  dnl Check for structure elements
813                  AC_CHECK_LINUX_STRUCT([address_space_operations],
814                                        [write_begin], [fs.h])
815                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
816                                        [backing-dev.h])
817                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
818                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
819                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
820                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
821                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
822                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
823                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
824                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
825                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
826                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
827                  AC_CHECK_LINUX_STRUCT([filename], [name], [fs.h])
828                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
829                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
830                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
831                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
832                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
833                                        [fs.h])
834                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
835                                        [fs.h])
836                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
837                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
838                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
839                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
840                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
841                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
842                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
843                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
844                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
845                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
846                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
847
848                  dnl Check for typed structure elements
849                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
850                                              [buf], [fs.h])
851
852                  dnl Function existence checks
853
854                  AC_CHECK_LINUX_FUNC([bdi_init],
855                                      [#include <linux/backing-dev.h>],
856                                      [bdi_init(NULL);])
857                  AC_CHECK_LINUX_FUNC([PageChecked],
858                                      [#include <linux/mm.h>
859 #include <linux/page-flags.h>],
860                                      [struct page *_page;
861                                       int bchecked = PageChecked(_page);])
862                  AC_CHECK_LINUX_FUNC([PageFsMisc],
863                                      [#include <linux/mm.h>
864 #include <linux/page-flags.h>],
865                                      [struct page *_page;
866                                       int bchecked = PageFsMisc(_page);])
867                  AC_CHECK_LINUX_FUNC([clear_inode],
868                                      [#include <linux/fs.h>],
869                                      [clear_inode(NULL);])
870                  AC_CHECK_LINUX_FUNC([current_kernel_time],
871                                      [#include <linux/time.h>],
872                                      [struct timespec s;
873                                       s = current_kernel_time();])
874                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
875                                      [#include <linux/fs.h>],
876                                      [d_alloc_anon(NULL);])
877                  AC_CHECK_LINUX_FUNC([d_make_root],
878                                      [#include <linux/fs.h>],
879                                      [d_make_root(NULL);])
880                  AC_CHECK_LINUX_FUNC([do_sync_read],
881                                      [#include <linux/fs.h>],
882                                      [do_sync_read(NULL, NULL, 0, NULL);])
883                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
884                                      [#include <linux/sched.h>],
885                                      [pid_t p; find_task_by_pid(p);])
886                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
887                                      [#include <linux/fs.h>],
888                                      [generic_file_aio_read(NULL,NULL,0,0);])
889                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
890                                      [#include <linux/pagemap.h>],
891                                      [grab_cache_page_write_begin(NULL, 0, 0);])
892                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
893                                      [#include <linux/list.h>],
894                                      [hlist_unhashed(0);])
895                  AC_CHECK_LINUX_FUNC([i_size_read],
896                                      [#include <linux/fs.h>],
897                                      [i_size_read(NULL);])
898                  AC_CHECK_LINUX_FUNC([inode_setattr],
899                                      [#include <linux/fs.h>],
900                                      [inode_setattr(NULL, NULL);])
901                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
902                                      [#include <linux/net.h>],
903                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
904                  AC_CHECK_LINUX_FUNC([page_follow_link],
905                                      [#include <linux/fs.h>],
906                                      [page_follow_link(0,0);])
907                  AC_CHECK_LINUX_FUNC([page_offset],
908                                      [#include <linux/pagemap.h>],
909                                      [page_offset(NULL);])
910                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
911                                      [#include <linux/pagevec.h>],
912                                      [__pagevec_lru_add_file(NULL);])
913                  AC_CHECK_LINUX_FUNC([path_lookup],
914                                      [#include <linux/fs.h>
915                                       #include <linux/namei.h>],
916                                      [path_lookup(NULL, 0, NULL);])
917                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
918                                      [#include <linux/rcupdate.h>],
919                                      [rcu_read_lock();])
920                  AC_CHECK_LINUX_FUNC([set_nlink],
921                                      [#include <linux/fs.h>],
922                                      [set_nlink(NULL, 1);])
923                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
924                                      [#include <linux/splice.h>],
925                                      [splice_direct_to_actor(NULL,NULL,NULL);])
926                  AC_CHECK_LINUX_FUNC([svc_addr_in],
927                                      [#include <linux/sunrpc/svc.h>],
928                                      [svc_addr_in(NULL);])
929                  AC_CHECK_LINUX_FUNC([zero_user_segments],
930                                      [#include <linux/highmem.h>],
931                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
932                  AC_CHECK_LINUX_FUNC([noop_fsync],
933                                      [#include <linux/fs.h>],
934                                      [void *address = &noop_fsync; printk("%p\n", address)];)
935                  AC_CHECK_LINUX_FUNC([kthread_run],
936                                      [#include <linux/kernel.h>
937                                       #include <linux/kthread.h>],
938                                      [kthread_run(NULL, NULL, "test");])
939
940                  dnl Consequences - things which get set as a result of the
941                  dnl                above tests
942                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
943                        [AC_DEFINE([AFS_NONFSTRANS], 1,
944                                   [define to disable the nfs translator])])
945
946                  dnl Assorted more complex tests
947                  LINUX_AIO_NONVECTOR
948                  LINUX_EXPORTS_PROC_ROOT_FS
949                  LINUX_KMEM_CACHE_INIT
950                  LINUX_HAVE_KMEM_CACHE_T
951                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
952                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
953                  LINUX_D_PATH_TAKES_STRUCT_PATH
954                  LINUX_NEW_EXPORT_OPS
955                  LINUX_INODE_SETATTR_RETURN_TYPE
956                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
957                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
958                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
959                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
960                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
961                  LINUX_DOP_D_DELETE_TAKES_CONST
962                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
963                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
964                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
965                  LINUX_FOP_F_FSYNC_TAKES_RANGE
966                  LINUX_AOP_WRITEBACK_CONTROL
967                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
968                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
969                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
970                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
971                  LINUX_KERNEL_SOCK_CREATE
972                  LINUX_EXPORTS_KEY_TYPE_KEYRING
973                  LINUX_NEED_RHCONFIG
974                  LINUX_RECALC_SIGPENDING_ARG_TYPE
975                  LINUX_EXPORTS_TASKLIST_LOCK
976                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
977                  LINUX_STATFS_TAKES_DENTRY
978                  LINUX_REFRIGERATOR
979                  LINUX_HAVE_TRY_TO_FREEZE
980                  LINUX_LINUX_KEYRING_SUPPORT
981                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
982                  LINUX_KEY_ALLOC_NEEDS_CRED
983                  LINUX_INIT_WORK_HAS_DATA
984                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
985                  LINUX_HAVE_DCACHE_LOCK
986                  LINUX_D_COUNT_IS_INT
987                  LINUX_IOP_MKDIR_TAKES_UMODE_T
988                  LINUX_IOP_CREATE_TAKES_UMODE_T
989                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
990                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
991                  LINUX_DENTRY_OPEN_TAKES_PATH
992                  LINUX_D_ALIAS_IS_HLIST
993                  LINUX_IOP_I_CREATE_TAKES_BOOL
994                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
995                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
996
997                  dnl If we are guaranteed that keyrings will work - that is
998                  dnl  a) The kernel has keyrings enabled
999                  dnl  b) The code is new enough to give us a key_type_keyring
1000                  dnl then we just disable syscall probing unless we've been
1001                  dnl told otherwise
1002
1003                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1004                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1005                           [enable_linux_syscall_probing="no"],
1006                           [enable_linux_syscall_probing="yes"])
1007                  ])
1008
1009                  dnl Syscall probing needs a few tests of its own, and just
1010                  dnl won't work if the kernel doesn't export init_mm
1011                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1012                    LINUX_EXPORTS_INIT_MM
1013                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1014                      AC_MSG_ERROR(
1015                        [Can't do syscall probing without exported init_mm])
1016                    ])
1017                    LINUX_EXPORTS_SYS_CHDIR
1018                    LINUX_EXPORTS_SYS_OPEN
1019                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1020                              [define to enable syscall table probes])
1021                  ])
1022
1023                  dnl Packaging and SMP build
1024                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1025                    LINUX_WHICH_MODULES
1026                  else
1027                    AC_SUBST(MPS,'SP')
1028                  fi
1029
1030                  dnl Syscall probing
1031                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1032                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1033                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1034                    ])
1035                    ac_cv_linux_exports_sys_call_table=no
1036                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1037                      ac_cv_linux_exports_ia32_sys_call_table=yes
1038                    fi
1039                  else
1040                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1041                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1042                    LINUX_EXPORTS_SYS_CALL_TABLE
1043                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1044                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1045                          linux_syscall_method=none
1046                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1047                             linux_syscall_method=scan
1048                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1049                                linux_syscall_method=scan_with_kallsyms_address
1050                             fi
1051                          fi
1052                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1053                             linux_syscall_method=kallsyms_symbol
1054                          fi
1055                          if test "x$linux_syscall_method" = "xnone"; then
1056                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1057                             linux_syscall_method=scan
1058                          fi
1059                    fi
1060                  fi
1061                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1062                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1063                  fi
1064                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1065                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1066                  fi
1067                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1068                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1069                  else
1070                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1071                  fi
1072                 :
1073                 fi
1074 dnl Linux-only, but just enable always.
1075                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1076 esac
1077
1078 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1079     [ac_cv_sync_fetch_and_add],
1080     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1081                     [ac_cv_sync_fetch_and_add=yes],
1082                     [ac_cv_sync_fetch_and_add=no])
1083 ])
1084 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1085       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1086                 [define if your C compiler has __sync_add_and_fetch])])
1087
1088 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1089     [ac_cv_sockaddr_len],
1090     [AC_TRY_COMPILE( [#include <sys/types.h>
1091 #include <sys/socket.h>],
1092                      [struct sockaddr *a; a->sa_len=0;],
1093                      [ac_cv_sockaddr_len=yes],
1094                      [ac_cv_sockaddr_len=no])
1095 ])
1096 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1097       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1098                  [define if you struct sockaddr sa_len])])
1099
1100 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1101         echo Skipping library tests because they confuse Irix.
1102 else
1103   AC_SEARCH_LIBS([socket], [socket inet])
1104   AC_SEARCH_LIBS([connect], [nsl])
1105   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1106
1107   dnl darwin wants it, aix hates it
1108   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1109   AC_TRY_COMPILE([
1110   #include <stdlib.h>
1111   #include <stdio.h>
1112   #include <sys/types.h>
1113   #include <sys/socket.h>
1114   #include <netinet/in.h>
1115   #include <arpa/inet.h>
1116   #include <arpa/nameser.h>
1117   #include <arpa/nameser_compat.h>
1118   #include <resolv.h>
1119   ], [static int i; i = 0;],
1120   [AC_MSG_RESULT(yes)
1121    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1122   [AC_MSG_RESULT(no)
1123    ])
1124
1125   openafs_save_libs="$LIBS"
1126   AC_MSG_CHECKING([for res_search])
1127   AC_FUNC_RES_SEARCH
1128
1129   if test "$ac_cv_func_res_search" = no; then
1130       for lib in dns nsl resolv; do
1131         if test "$ac_cv_func_res_search" != yes; then
1132           LIBS="-l$lib $LIBS"
1133           AC_FUNC_RES_SEARCH
1134           LIBS="$openafs_save_libs"
1135         fi
1136       done    
1137       if test "$ac_cv_func_res_search" = yes; then
1138         LIB_AFSDB="-l$lib"
1139         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1140         AC_MSG_RESULT([yes, in lib$lib])
1141       else
1142         AC_MSG_RESULT(no)
1143       fi
1144   else
1145     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1146     AC_MSG_RESULT(yes)
1147   fi
1148   
1149 fi
1150 XLIBS="$LIB_AFSDB $XLIBS"
1151
1152 AC_CHECK_RESOLV_RETRANS
1153
1154 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1155     [ac_cv_setsockopt_iprecverr],
1156     [AC_TRY_COMPILE( [
1157 #include <sys/types.h>
1158 #include <sys/socket.h>
1159 #include <netinet/in.h>],
1160 [int on=1;
1161 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1162         [ac_cv_setsockopt_iprecverr=yes],
1163         [ac_cv_setsockopt_iprecverr=no])])
1164
1165 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1166       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1167                  [define if we can receive socket errors via IP_RECVERR])])
1168
1169 PTHREAD_LIBS=error
1170 if test "x$MKAFS_OSTYPE" = OBSD; then
1171         PTHREAD_LIBS="-pthread"
1172 fi
1173 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1174         PTHREAD_LIBS="-pthread"
1175 fi
1176 if test "x$PTHREAD_LIBS" = xerror; then
1177         AC_CHECK_LIB(pthread, pthread_attr_init,
1178                 PTHREAD_LIBS="-lpthread")
1179 fi
1180 if test "x$PTHREAD_LIBS" = xerror; then
1181         AC_CHECK_LIB(pthreads, pthread_attr_init,
1182                 PTHREAD_LIBS="-lpthreads")
1183 fi
1184 if test "x$PTHREAD_LIBS" = xerror; then
1185         AC_CHECK_LIB(c_r, pthread_attr_init,
1186                 PTHREAD_LIBS="-lc_r")
1187 fi
1188 if test "x$PTHREAD_LIBS" = xerror; then
1189         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1190 fi
1191 if test "x$PTHREAD_LIBS" = xerror; then
1192         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1193         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1194                 PTHREAD_LIBS="-lpthread")
1195 fi
1196 if test "x$PTHREAD_LIBS" = xerror; then
1197         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1198 fi
1199 AC_SUBST(PTHREAD_LIBS)
1200
1201 HOST_CPU="$host_cpu"
1202
1203 if test "x$with_bsd_kernel_headers" != "x"; then
1204         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1205 else
1206         BSD_KERNEL_PATH="/usr/src/sys"
1207 fi
1208
1209 if test "x$with_bsd_kernel_build" != "x"; then
1210         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1211 else
1212         case $AFS_SYSNAME in
1213                 *_fbsd_*)
1214                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1215                         ;;
1216                 *_nbsd*)
1217                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1218         esac
1219 fi
1220
1221 # Fast restart
1222 if test "$enable_supergroups" = "yes"; then
1223         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1224 fi
1225
1226 if test "$enable_bitmap_later" = "yes"; then
1227         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1228 fi
1229
1230 if test "$enable_unix_sockets" = "yes"; then
1231         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1232         USE_UNIX_SOCKETS="yes"
1233 else
1234         USE_UNIX_SOCKETS="no"
1235 fi
1236 AC_SUBST(USE_UNIX_SOCKETS)
1237
1238 if test "$enable_namei_fileserver" = "yes"; then
1239         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1240         VFSCK=""
1241 else
1242         if test "$enable_namei_fileserver" = "default"; then
1243                 case $host in
1244                         *-solaris2.10*)
1245                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1246                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1247                                 VFSCK=""
1248                                 ;;
1249                         *-solaris2.11*)
1250                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1251                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1252                                 VFSCK=""
1253                                 ;;
1254                         *)
1255                                 VFSCK="vfsck"
1256                                 ;;
1257                 esac
1258         else
1259                 VFSCK="vfsck"
1260         fi
1261 fi
1262
1263 dnl check for tivoli
1264 AC_MSG_CHECKING(for tivoli tsm butc support)
1265 XBSA_CFLAGS=""
1266 if test "$enable_tivoli_tsm" = "yes"; then
1267         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1268         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1269         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1270         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1271
1272         if test -r "$XBSADIR3/dsmapifp.h"; then
1273                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1274                 XBSA_XLIBS="-ldl"
1275                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1276         elif test -r "$XBSADIR4/dsmapifp.h"; then
1277                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1278                 XBSA_XLIBS="-ldl"
1279                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1280         elif test -r "$XBSADIR1/xbsa.h"; then
1281                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1282                 XBSA_XLIBS=""
1283                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1284         elif test -r "$XBSADIR2/xbsa.h"; then
1285                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1286                 XBSA_XLIBS=""
1287                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1288         else
1289                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1290         fi
1291 else
1292         AC_MSG_RESULT([no])
1293 fi
1294 AC_SUBST(XBSA_CFLAGS)
1295 AC_SUBST(XBSA_XLIBS) 
1296
1297 dnl checks for header files.
1298 AC_HEADER_STDC
1299 AC_HEADER_SYS_WAIT
1300 AC_HEADER_DIRENT
1301 AC_CHECK_HEADERS([ \
1302                    arpa/inet.h \
1303                    arpa/nameser.h \
1304                    curses.h\
1305                    direct.h \
1306                    et/com_err.h \
1307                    errno.h \
1308                    fcntl.h \
1309                    grp.h \
1310                    math.h \
1311                    mntent.h \
1312                    ncurses.h \
1313                    netdb.h \
1314                    netinet/in.h \
1315                    pthread_np.h \
1316                    pwd.h \
1317                    regex.h \
1318                    security/pam_appl.h \
1319                    signal.h \
1320                    stdint.h \
1321                    stdio_ext.h \
1322                    stdlib.h \
1323                    string.h \
1324                    strings.h \
1325                    sys/bitypes.h \
1326                    sys/bswap.h \
1327                    sys/dk.h \
1328                    sys/fcntl.h \
1329                    sys/file.h \
1330                    sys/fs_types.h \
1331                    sys/fstyp.h \
1332                    sys/ioctl.h \
1333                    sys/ipc.h \
1334                    sys/lockf.h \
1335                    sys/map.h \
1336                    sys/mount.h \
1337                    sys/mntent.h \
1338                    sys/mnttab.h \
1339                    sys/pag.h \
1340                    sys/param.h \
1341                    sys/resource.h \
1342                    sys/select.h \
1343                    sys/statfs.h \
1344                    sys/statvfs.h \
1345                    sys/socket.h \
1346                    sys/sysctl.h \
1347                    sys/time.h \
1348                    sys/types.h \
1349                    sys/uio.h \
1350                    sys/un.h \
1351                    sys/vfs.h \
1352                    syslog.h \
1353                    termios.h \
1354                    time.h \
1355                    ucontext.h \
1356                    unistd.h \
1357                    windows.h \
1358                 ])
1359
1360 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1361 #ifdef HAVE_NETINET_IN_H
1362 # include <netinet/in.h>
1363 #endif])
1364
1365 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1366 #ifdef HAVE_SYS_SOCKET_H
1367 # include <sys/socket.h>
1368 #endif])
1369
1370 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1371 #ifdef HAVE_SYS_SOCKET_H
1372 # include <sys/socket.h>
1373 #endif
1374 #ifdef HAVE_NETINET_IN_H
1375 # include <netinet/in.h>
1376 #endif
1377 #ifdef HAVE_NET_IF_H
1378 # include <net/if.h>
1379 #endif])
1380
1381 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1382 #ifdef HAVE_SECURITY_PAM_APPL_H
1383 # include <security/pam_appl.h>
1384 #endif])
1385
1386 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1387
1388 AC_CHECK_TYPES([fsblkcnt_t],,,[
1389 #include <sys/types.h>
1390 #ifdef HAVE_SYS_BITYPES_H
1391 #include <sys/bitypes.h>
1392 #endif
1393 #ifdef HAVE_SYS_STATFS_H
1394 #include <sys/statfs.h>
1395 #endif
1396 #ifdef HAVE_SYS_STATVFS_H
1397 #include <sys/statvfs.h>
1398 #endif
1399 ])
1400
1401 dnl see what struct stat has for timestamps
1402 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1403
1404 dnl check for curses-lib
1405 AS_IF([test "x$enable_gtx" != "xno"],
1406       [save_LIBS=$LIBS
1407       AC_CHECK_LIB( [ncurses], [setupterm],
1408       [LIB_curses=-lncurses],
1409         [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1410           [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
1411       ])
1412       LIBS=$save_LIBS
1413       AC_SUBST(LIB_curses)])
1414         
1415 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1416
1417 if test "$enable_debug_locks" = yes; then
1418         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1419 fi
1420
1421 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1422 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1423         case $AFS_SYSNAME in
1424         sgi_*)
1425                 HAVE_PAM="no"
1426                 ;;
1427         *)
1428                 HAVE_PAM="yes"
1429                 ;;
1430         esac
1431 else
1432         HAVE_PAM="no"
1433 fi
1434 AC_SUBST(HAVE_PAM)
1435
1436 if test "$enable_login" = yes; then
1437         BUILD_LOGIN="yes"
1438 else
1439         BUILD_LOGIN="no"
1440 fi
1441 AC_SUBST(BUILD_LOGIN)
1442
1443 if test "$enable_uss" = yes; then
1444         BUILD_USS="yes"
1445 else
1446         BUILD_USS="no"
1447 fi
1448 AC_SUBST(BUILD_USS)
1449
1450 AC_CHECK_FUNCS([ \
1451         arc4random \
1452         fcntl \
1453         fseeko64 \
1454         ftello64 \
1455         getcwd \
1456         getegid \
1457         geteuid \
1458         getgid \
1459         getuid \
1460         getrlimit \
1461         issetugid \
1462         mkstemp \
1463         poll \
1464         pread \
1465         preadv \
1466         preadv64 \
1467         pwrite \
1468         pwritev \
1469         pwritev64 \
1470         regcomp \
1471         regerror \
1472         regexec \
1473         setitimer \
1474         setvbuf \
1475         sigaction \
1476         strcasestr \
1477         strerror \
1478         sysconf \
1479         sysctl \
1480         tdestroy \
1481         timegm \
1482 ])
1483
1484 OPENAFS_ROKEN()
1485 OPENAFS_C_ATTRIBUTE()
1486
1487 dnl Functions that Heimdal's libroken provides, but that we
1488 dnl haven't found a need for yet, and so haven't imported
1489 AC_CHECK_FUNCS([ \
1490         chown \
1491         fchown \
1492         gethostname \
1493         lstat \
1494         inet_aton \
1495         inet_ntop \
1496         inet_pton \
1497         putenv \
1498         readv \
1499         setenv \
1500         strdup \
1501         strftime \
1502         strndup \
1503         strsep \
1504         unsetenv \
1505 ])
1506
1507 dnl Functions that are in objects that we always build from libroken
1508 AC_CHECK_FUNCS([ \
1509         asprintf \
1510         asnprintf \
1511         vasprintf \
1512         vasnprintf \
1513         vsnprintf \
1514         snprintf \
1515 ])
1516
1517 dnl Functions that we're going to try and get from libroken
1518 AC_REPLACE_FUNCS([ \
1519         daemon \
1520         ecalloc \
1521         emalloc \
1522         erealloc \
1523         err \
1524         errx \
1525         flock \
1526         getdtablesize \
1527         getopt \
1528         getprogname \
1529         gettimeofday \
1530         localtime_r \
1531         mkstemp \
1532         setenv \
1533         setprogname \
1534         strcasecmp \
1535         strlcat \
1536         strnlen \
1537         strlcpy \
1538         strsep \
1539         tdelete \
1540         tfind \
1541         tsearch \
1542         twalk \
1543         unsetenv \
1544         verr \
1545         verrx \
1546         vsyslog \
1547         vwarn \
1548         vwarnx \
1549         warn \
1550         warnx \
1551 ])
1552
1553 dnl Headers that we're going to try and get from libroken
1554 AC_CHECK_HEADERS([ \
1555         err.h \
1556         search.h \
1557 ])
1558
1559 AC_CHECK_DECLS([h_errno], [], [], [
1560 #include <sys/types.h>
1561 #ifdef HAVE_NETDB_H
1562 #include <netdb.h>
1563 #endif
1564 ])
1565
1566 AC_HEADER_TIME
1567
1568 ROKEN_HEADERS=
1569 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1570       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1571       [])
1572 AC_SUBST(ROKEN_HEADERS)
1573
1574 dnl Stuff that's harder ...
1575 AC_MSG_CHECKING([for bswap16])
1576 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1577 #ifdef HAVE_SYS_TYPES_H
1578 #include <sys/types.h>
1579 #endif
1580 #ifdef HAVE_SYS_BSWAP_H
1581 #include <sys/bswap.h>
1582 #endif
1583 ],
1584 [short a, b; b = bswap16(a); ])],
1585 [AC_MSG_RESULT(yes)
1586  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1587 ],
1588 [AC_MSG_RESULT(no)])
1589
1590 AC_MSG_CHECKING([for bswap32])
1591 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1592 #include <sys/types.h>
1593 #endif
1594 #ifdef HAVE_SYS_BSWAP_H
1595 #include <sys/bswap.h>
1596 #endif
1597 ],
1598 [int a, b; b = bswap32(a); ])],
1599 [AC_MSG_RESULT(yes)
1600  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1601 ],
1602 [AC_MSG_RESULT(no)])
1603
1604 case $AFS_SYSNAME in
1605 *hp_ux* | *hpux*)
1606    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1607    ;;
1608 *)
1609    AC_MSG_CHECKING([for positional I/O])
1610    if test "$ac_cv_func_pread" = "yes" && \
1611            test "$ac_cv_func_pwrite" = "yes"; then
1612       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1613       AC_MSG_RESULT(yes)
1614    else
1615      AC_MSG_RESULT(no)
1616    fi
1617    AC_MSG_CHECKING([for vectored positional I/O])
1618    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1619                "$ac_cv_func_pwritev" = "yes" -a \
1620                "$ac_cv_func_preadv64" = "yes" -a \
1621                "$ac_cv_func_pwritev64" = "yes"],
1622          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1623           AC_MSG_RESULT(yes)],
1624          [AC_MSG_RESULT(no)])
1625    ;;
1626 esac
1627
1628 AC_MSG_CHECKING([for POSIX regex library])
1629 if test "$ac_cv_header_regex_h" = "yes" && \
1630         test "$ac_cv_func_regcomp" = "yes" && \
1631         test "$ac_cv_func_regexec" = "yes" && \
1632         test "$ac_cv_func_regerror" = "yes"; then
1633     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1634     AC_MSG_RESULT(yes)
1635 else
1636     AC_MSG_RESULT(no)
1637 fi
1638
1639 dnl Look for "non-portable" pthreads functions.
1640 save_LIBS="$LIBS"
1641 LIBS="$LIBS $PTHREAD_LIBS"
1642 AC_CHECK_FUNCS([ \
1643         pthread_set_name_np \
1644         pthread_setname_np \
1645 ])
1646
1647 dnl Sadly, there are three different versions of pthread_setname_np.
1648 dnl Try to cater for all of them.
1649 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1650     AC_MSG_CHECKING([for signature of pthread_setname_np])
1651     AC_TRY_COMPILE([
1652 #include <pthread.h>
1653 #ifdef HAVE_PTHREAD_NP_H
1654 #include <pthread_np.h>
1655 #endif
1656 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1657         AC_MSG_RESULT([three arguments])
1658         pthread_setname_np_args=3], [
1659         AC_TRY_COMPILE([
1660 #include <pthread.h>
1661 #ifdef HAVE_PTHREAD_NP_H
1662 #include <pthread_np.h>
1663 #endif
1664 ], [pthread_setname_np(pthread_self(), "test")], [
1665             AC_MSG_RESULT([two arguments])
1666             pthread_setname_np_args=2], [
1667             AC_TRY_COMPILE([
1668 #include <pthread.h>
1669 #ifdef HAVE_PTHREAD_NP_H
1670 #include <pthread_np.h>
1671 #endif
1672 ], [pthread_setname_np("test")], [
1673                 AC_MSG_RESULT([one argument])
1674                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1675 ])
1676 ])
1677 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1678 fi
1679 LIBS="$save_LIBS"
1680
1681 openafs_cv_saved_CFLAGS="$CFLAGS"
1682 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1683
1684 AC_TYPE_SIGNAL
1685 OPENAFS_RETSIGTYPE
1686 AC_CHECK_SIZEOF(void *)
1687 AC_CHECK_SIZEOF(unsigned long long)
1688 AC_CHECK_SIZEOF(unsigned long)
1689 AC_CHECK_SIZEOF(unsigned int)
1690 AC_TYPE_INTPTR_T
1691 AC_TYPE_UINTPTR_T
1692 AC_TYPE_SSIZE_T
1693 AC_CHECK_TYPE([sig_atomic_t],[],
1694     [AC_DEFINE([sig_atomic_t], [int],
1695         [Define to int if <signal.h> does not define.])],
1696 [#include <sys/types.h>
1697 #include <signal.h>])
1698 AC_CHECK_TYPE([socklen_t],[],
1699     [AC_DEFINE([socklen_t], [int],
1700         [Define to int if <sys/socket.h> does not define.])],
1701 [#include <sys/types.h>
1702 #include <sys/socket.h>])
1703 AC_CHECK_TYPES(off64_t)
1704 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1705 AC_CHECK_TYPES([struct winsize], [], [], [
1706 #ifdef HAVE_TERMIOS_H
1707 # include <termios.h>
1708 #else
1709 # include <sys/termios.h>
1710 #endif
1711 #include <sys/ioctl.h>])
1712 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1713                 struct sockaddr_storage],
1714                [], [], [
1715 #include <sys/types.h>
1716 #include <sys/socket.h>
1717 ])
1718 AC_CHECK_TYPES([sa_family_t], [], [], [
1719 #include <sys/types.h>
1720 #include <sys/socket.h>
1721 ])
1722 AC_CHECK_TYPES([struct addrinfo], [], [], [
1723 #include <sys/types.h>
1724 #ifdef HAVE_NETDB_H
1725 #include <netdb.h>
1726 #endif
1727 ])
1728 AC_CHECK_TYPES([long long], [], [], [])
1729
1730 AC_SIZEOF_TYPE(long)
1731
1732 CFLAGS="$openafs_cv_saved_CFLAGS"
1733
1734 RRA_HEADER_PAM_CONST
1735
1736
1737 dnl Directory PATH handling
1738 if test "x$enable_transarc_paths" = "xyes"  ; then 
1739     afsconfdir=${afsconfdir=/usr/afs/etc}
1740     viceetcdir=${viceetcdir=/usr/vice/etc}
1741     afskerneldir=${afskerneldir=${viceetcdir}}
1742     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1743     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1744     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1745     afsdbdir=${afsdbdir=/usr/afs/db}
1746     afslogsdir=${afslogsdir=/usr/afs/logs}
1747     afslocaldir=${afslocaldir=/usr/afs/local}
1748     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1749     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1750     afsdatadir=${afsdatadir=/usr/vice/etc}
1751 else 
1752     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1753     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1754     afskerneldir=${afskerneldir='${libdir}/openafs'}
1755     afssrvbindir=${afssrvbindir='${bindir}'}
1756     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1757     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1758     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1759     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1760     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1761     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1762     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1763     afsdatadir=${afsdatadir='${datadir}/openafs'}
1764 fi
1765 AC_SUBST(afsconfdir)
1766 AC_SUBST(viceetcdir)
1767 AC_SUBST(afskerneldir)
1768 AC_SUBST(afssrvbindir)
1769 AC_SUBST(afssrvsbindir)
1770 AC_SUBST(afssrvlibexecdir)
1771 AC_SUBST(afsdbdir)
1772 AC_SUBST(afslogsdir)
1773 AC_SUBST(afslocaldir)
1774 AC_SUBST(afsbackupdir)
1775 AC_SUBST(afsbosconfigdir)
1776 AC_SUBST(afsdatadir)
1777
1778 if test "x$enable_kernel_module" = "xyes"; then
1779 ENABLE_KERNEL_MODULE=libafs
1780 fi
1781
1782 if test "x$enable_pthreaded_ubik" = "xyes"; then
1783 ENABLE_PTHREADED_UBIK=yes
1784 fi
1785
1786 AC_SUBST(VFSCK)
1787 AC_SUBST(AFS_SYSNAME)
1788 AC_SUBST(AFS_PARAM_COMMON)
1789 AC_SUBST(ENABLE_KERNEL_MODULE)
1790 AC_SUBST(ENABLE_PTHREADED_UBIK)
1791 AC_SUBST(LIB_AFSDB)
1792 AC_SUBST(LINUX_KERNEL_PATH)
1793 AC_SUBST(LINUX_KERNEL_BUILD)
1794 AC_SUBST(HOST_CPU)
1795 AC_SUBST(BSD_KERNEL_PATH)
1796 AC_SUBST(BSD_KERNEL_BUILD)
1797 AC_SUBST(LINUX_VERSION)
1798 AC_SUBST(MKAFS_OSTYPE)
1799 AC_SUBST(TOP_OBJDIR)
1800 AC_SUBST(TOP_SRCDIR)
1801 AC_SUBST(TOP_INCDIR)
1802 AC_SUBST(TOP_LIBDIR)
1803 AC_SUBST(DEST)
1804 AC_SUBST(DARWIN_INFOFILE)
1805 AC_SUBST(IRIX_BUILD_IP35)
1806 AC_SUBST(HTML_XSL)
1807 AC_SUBST(XSLTPROC)
1808 AC_SUBST(DOCBOOK2PDF)
1809 AC_SUBST(DOCBOOK_STYLESHEETS)
1810
1811 OPENAFS_FUSE
1812 OPENAFS_SWIG
1813
1814 TOP_SRCDIR="${srcdir}/src"
1815 dnl
1816 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1817 dnl
1818 case $TOP_SRCDIR in
1819         /*)
1820                 ;;
1821         *)
1822                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1823                 ;;
1824 esac
1825
1826 TOP_OBJDIR="${SRCDIR_PARENT}"
1827 TOP_INCDIR="${SRCDIR_PARENT}/include"
1828 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1829 if test "${DEST}x" = "x"; then
1830         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1831 fi
1832
1833 if test "x$with_crosstools_dir" != "x"; then
1834         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
1835                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
1836                 CONFIGTOOL_PATH=$with_crosstools_dir/config
1837                 RXGEN_PATH=$with_crosstools_dir/rxgen
1838         else
1839                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
1840                 exit 1
1841         fi
1842 else
1843         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
1844         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
1845         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
1846 fi
1847 AC_SUBST(COMPILE_ET_PATH)
1848 AC_SUBST(CONFIGTOOL_PATH)
1849 AC_SUBST(RXGEN_PATH)
1850
1851 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1852 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1853 AC_SUBST(HELPER_SPLINT)
1854 AC_SUBST(HELPER_SPLINTCFG)
1855
1856 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1857
1858 dnl Check to see if crypt lives in a different library
1859 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1860 AC_SUBST(LIB_crypt)
1861
1862 dnl Check to see if the compiler support labels in structs
1863 AC_MSG_CHECKING(for label support in structs)
1864 AC_TRY_COMPILE([], [
1865 extern void osi_UFSOpen(void);
1866 struct labeltest {
1867    void (*open) (void);
1868 };
1869 struct labeltest struct_labeltest = {
1870    .open       = osi_UFSOpen,
1871 }
1872 ],
1873 [AC_MSG_RESULT(yes)
1874  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1875 ],
1876 [AC_MSG_RESULT(no)
1877 ])
1878
1879 AC_MSG_CHECKING([checking for dirfd])
1880 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1881 #ifdef HAVE_DIRENT_H
1882 #include <dirent.h>
1883 #endif
1884 ]],
1885         [[DIR *d = 0; dirfd(d);]])],
1886         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1887 if test "$ac_rk_have_dirfd" = "yes" ; then
1888         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1889 fi
1890 AC_MSG_RESULT($ac_rk_have_dirfd)
1891
1892 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1893 #ifdef HAVE_DIRENT_H
1894 #include <dirent.h>
1895 #endif])
1896
1897 dnl Eventually, this will look for the system one, or for OpenSSL
1898 LIB_hcrypto="-lafshcrypto"
1899 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1900 AC_SUBST(LIB_hcrypto)
1901 AC_SUBST(LDFLAGS_hcrypto)
1902
1903 dnl Check for UUID library
1904 AC_CHECK_HEADERS([uuid/uuid.h])
1905 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
1906 AC_CHECK_FUNCS([uuid_generate])
1907 ])
1908
1909
1910 AC_DEFUN([SUMMARY], [
1911     # Print a configuration summary
1912 echo 
1913 echo "**************************************"
1914 echo configure summary
1915 echo
1916 AS_IF([test $LIB_curses],[
1917 echo "LIB_curses :                $LIB_curses" ],[
1918 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1919 ])
1920 echo 
1921 echo "**************************************"
1922 ])