tests: fix typo in softsig test helper
[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
78 dnl General feature options.
79 AC_ARG_ENABLE([gtx],
80     [AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools])])
81
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     [AS_IF([test x"$withval" = xyes],
98         [AC_MSG_WARN([bitmap-later is only used by non-demand-attach
99             fileservers.  Please migrate to demand-attach instead.])])],
100     [enable_bitmap_later="no"])
101 AC_ARG_ENABLE([unix-sockets],
102     [AS_HELP_STRING([--disable-unix-sockets],
103         [disable use of unix domain sockets for fssync (defaults to enabled)])],
104     [],
105     [enable_unix_sockets="yes"])
106 AC_ARG_ENABLE([tivoli-tsm],
107     [AS_HELP_STRING([--enable-tivoli-tsm],
108         [enable use of the Tivoli TSM API libraries for butc support])],
109     [],
110     [enable_tivoli_tsm="no"])
111 AC_ARG_ENABLE([pthreaded-ubik],
112     [AS_HELP_STRING([--disable-pthreaded-ubik],
113         [disable installation of pthreaded ubik applications (defaults to
114          enabled)])],
115     [],
116     [enable_pthreaded_ubik="yes"])
117
118 dnl Kernel module build options.
119 AC_ARG_WITH([linux-kernel-headers],
120     [AS_HELP_STRING([--with-linux-kernel-headers=path],
121         [use the kernel headers found at path (optional, defaults to
122          /lib/modules/`uname -r`/build, then /lib/modules/`uname -r`/source,
123          then /usr/src/linux-2.4, and lastly /usr/src/linux)])
124 ])
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         kernel headers path)]
129 )])
130 AC_ARG_WITH([bsd-kernel-headers],
131     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
132         [use the kernel headers found at path (optional, defaults to
133          /usr/src/sys)])
134 ])
135 AC_ARG_WITH([bsd-kernel-build],
136     [AS_HELP_STRING([--with-bsd-kernel-build=path],
137         [use the kernel build found at path (optional, defaults to
138          KSRC/i386/compile/GENERIC)])
139 ])
140 AC_ARG_WITH([linux-kernel-packaging],
141     [AS_HELP_STRING([--with-linux-kernel-packaging],
142         [use standard naming conventions to aid Linux kernel build packaging
143          (disables MPS, sets the kernel module name to openafs.ko, and
144          installs kernel modules into the standard Linux location)])],
145     [AC_SUBST([LINUX_KERNEL_PACKAGING], [yes])
146      AC_SUBST([LINUX_LIBAFS_NAME], [openafs])],
147     [AC_SUBST([LINUX_LIBAFS_NAME], [libafs])
148 ])
149 AC_ARG_ENABLE([kernel-module],
150     [AS_HELP_STRING([--disable-kernel-module],
151         [disable compilation of the kernel module (defaults to enabled)])],
152     [],
153     [enable_kernel_module="yes"])
154 AC_ARG_ENABLE([redhat-buildsys],
155     [AS_HELP_STRING([--enable-redhat-buildsys],
156         [enable compilation of the redhat build system kernel (defaults to
157          disabled)])],
158     [],
159     [enable_redhat_buildsys="no"])
160
161 dnl Installation locations.
162 AC_ARG_ENABLE([transarc-paths],
163     [AS_HELP_STRING([--enable-transarc-paths],
164         [use Transarc style paths like /usr/afs and /usr/vice])],
165     [],
166     [enable_transarc_paths="no"])
167
168 dnl Deprecated crypto
169 AC_ARG_ENABLE([kauth],
170     [AS_HELP_STRING([--enable-kauth],
171         [install the deprecated kauth server, pam modules, and utilities
172          (defaults to disabled)])],
173     [enable_pam="yes"],
174     [enable_kauth="no"
175      enable_pam="no"])
176
177 dnl Optimization and debugging flags.
178 AC_ARG_ENABLE([strip-binaries],
179     [AS_HELP_STRING([--disable-strip-binaries],
180         [disable stripping of symbol information from binaries (defaults to
181          enabled)])],
182     [],
183     [enable_strip_binaries="maybe"])
184 AC_ARG_ENABLE([debug],
185     [AS_HELP_STRING([--enable-debug],
186         [enable compilation of the user space code with debugging information
187          (defaults to disabled)])],
188     [],
189     [enable_debug="no"])
190 AC_ARG_ENABLE([optimize],
191     [AS_HELP_STRING([--disable-optimize],
192         [disable optimization for compilation of the user space code (defaults
193          to enabled)])],
194     [],
195     [enable_optimize="yes"])
196 AC_ARG_ENABLE([warnings],
197     [AS_HELP_STRING([--enable-warnings],
198         [enable compilation warnings when building with gcc (defaults to
199          disabled)])],
200     [],
201     [enable_warnings="no"])
202 AC_ARG_ENABLE([checking],
203     [AS_HELP_STRING([--enable-checking],
204         [turn compilation warnings into errors when building with gcc (defaults
205          to disabled)])],
206     [enable_checking="$enableval"],
207     [enable_checking="no"])
208 AC_ARG_ENABLE([debug-locks],
209     [AS_HELP_STRING([--enable-debug-locks],
210         [turn on lock debugging assertions (defaults to disabled)])],
211     [enable_debug_locks="$enableval"],
212     [enable_debug_locks="no"])
213 AC_ARG_ENABLE([debug-kernel],
214     [AS_HELP_STRING([--enable-debug-kernel],
215         [enable compilation of the kernel module with debugging information
216          (defaults to disabled)])],
217     [],
218     [enable_debug_kernel="no"])
219 AC_ARG_ENABLE([optimize-kernel],
220     [AS_HELP_STRING([--disable-optimize-kernel],
221         [disable compilation of the kernel module with optimization (defaults
222          based on platform)])],
223     [],
224     [enable_optimize_kernel=""])
225 AC_ARG_ENABLE([debug-lwp],
226     [AS_HELP_STRING([--enable-debug-lwp],
227         [enable compilation of the LWP code with debugging information
228          (defaults to disabled)])],
229     [],
230     [enable_debug_lwp="no"])
231 AC_ARG_ENABLE([optimize-lwp],
232     [AS_HELP_STRING([--disable-optimize-lwp],
233         [disable optimization for compilation of the LWP code (defaults to
234          enabled)])],
235     [],
236     [enable_optimize_lwp="yes"])
237 AC_ARG_ENABLE([debug-pam],
238     [AS_HELP_STRING([--enable-debug-pam],
239         [enable compilation of the PAM code with debugging information
240          (defaults to disabled)])],
241     [],
242     [enable_debug_pam="no"])
243 AC_ARG_ENABLE([optimize-pam],
244     [AS_HELP_STRING([--disable-optimize-pam],
245         [disable optimization for compilation of the PAM code (defaults to
246          enabled)])],
247     [],
248     [enable_optimize_pam="yes"])
249 AC_ARG_ENABLE([linux-syscall-probing],
250     [AS_HELP_STRING([--enable-linux-syscall-probing],
251         [enable Linux syscall probing (defaults to autodetect)])],
252     [],
253     [enable_linux_syscall_probing="maybe"])
254 AC_ARG_ENABLE([linux-d_splice_alias-extra-iput],
255     [AS_HELP_STRING([--enable-linux-d_splice_alias-extra-iput],
256         [Linux has introduced an incompatible behavior change in the
257          d_splice_alias function with no reliable way to determine which
258          behavior will be produced.  If Linux commit
259          51486b900ee92856b977eacfc5bfbe6565028070 (or equivalent) has been
260          applied to your kernel, disable this option.  If that commit is
261          not present in your kernel, enable this option.  We apologize
262          that you are required to know this about your running kernel.])],
263     [],
264     [case $system in
265     *-linux*)
266         AS_IF([test "x$LOGNAME" != "xbuildslave" &&
267             test "x$LOGNAME" != "xbuildbot"],
268             [AC_ERROR([Linux users must specify either
269                 --enable-linux-d_splice_alias-extra-iput or
270                 --disable-linux-d_splice_alias-extra-iput])],
271             [enable_linux_d_splice_alias_extra_iput="no"])
272      esac
273     ])
274 AC_ARG_WITH([crosstools-dir],
275     [AS_HELP_STRING([--with-crosstools-dir=path],
276         [use path for native versions of rxgen, compile_et and config])
277 ])
278
279 AC_ARG_WITH([xslt-processor],
280         AS_HELP_STRING([--with-xslt-processor=ARG],
281         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
282         [XSLTPROC="$withval"],
283         [AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo])])
284
285 AC_ARG_WITH([html-xsl],
286         AS_HELP_STRING([--with-html-xsl],
287         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
288         [HTML_XSL="$withval"],
289         [HTML_XSL="html/chunk.xsl"])
290
291 AC_ARG_WITH([docbook2pdf],
292         AS_HELP_STRING([--with-docbook2pdf=ARG],
293         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
294         [DOCBOOK2PDF="$withval"],
295         [AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo])])
296
297 AC_ARG_WITH([docbook-stylesheets],
298         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
299         [location of DocBook stylesheets (default is to search a set of likely paths)]),
300         [DOCBOOK_STYLESHEETS="$withval"],
301         [OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS],
302                 [/usr/share/xml/docbook/stylesheet/nwalsh/current \
303                  /usr/share/xml/docbook/stylesheet/nwalsh \
304                  /usr/share/xml/docbook/xsl-stylesheets \
305                  /usr/share/sgml/docbook/docbook-xsl-stylesheets \
306                  /usr/share/sgml/docbook/xsl-stylesheets \
307                  /usr/share/docbook-xsl \
308                  /usr/share/sgml/docbkxsl \
309                  /usr/local/share/xsl/docbook \
310                  /sw/share/xml/xsl/docbook-xsl \
311                  /opt/local/share/xsl/docbook-xsl],
312                 [$HTML_XSL])
313            AS_IF([test "x$DOCBOOK_STYLESHEETS" = "x"],
314                 [AC_WARN([Docbook stylesheets not found; some documentation can't be built])
315            ])
316         ])
317
318 AC_ARG_WITH([dot],
319         AS_HELP_STRING([--with-dot@<:@=PATH@:>@],
320         [use graphviz dot to generate dependency graphs with doxygen (defaults to autodetect)]),
321         [], [with_dot="maybe"])
322
323 enable_login="no"
324
325 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
326 dnl documentation build.
327 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
328 AC_CHECK_PROGS([DOXYGEN], [doxygen])
329
330 dnl Optionally generate graphs with doxygen.
331 case "$with_dot" in
332 maybe)
333     AC_CHECK_PROGS([DOT], [dot])
334     AS_IF([test "x$DOT" = "x"], [HAVE_DOT="no"], [HAVE_DOT="yes"])
335     ;;
336 yes)
337     HAVE_DOT="yes"
338     ;;
339 no)
340     HAVE_DOT="no"
341     ;;
342 *)
343     HAVE_DOT="yes"
344     DOT_PATH=$with_dot
345 esac
346 AC_SUBST(HAVE_DOT)
347 AC_SUBST(DOT_PATH)
348
349 dnl Checks for UNIX variants.
350 AC_ISC_POSIX
351
352 dnl Various compiler setup.
353 AC_TYPE_PID_T
354 AC_TYPE_SIZE_T
355
356 dnl Checks for programs.
357 AC_PROG_INSTALL
358 AC_PROG_LN_S
359 AC_PROG_RANLIB
360 AC_PROG_YACC
361 AM_PROG_LEX
362 dnl if we are flex, be lex-compatible
363 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
364
365 OPENAFS_FORCE_ABS_INSTALL
366 OPENAFS_CHECK_BIGENDIAN
367 OPENAFS_PRINTF_TAKES_Z_LEN
368
369 AC_MSG_CHECKING(your OS)
370 system=$host
371 case $system in
372         *-linux*)
373
374                 MKAFS_OSTYPE=LINUX
375                 if test "x$enable_redhat_buildsys" = "xyes"; then
376                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
377                 fi
378                 if test "x$enable_kernel_module" = "xyes"; then
379                  if test "x$with_linux_kernel_headers" != "x"; then
380                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
381                  else
382                    for utsdir in "/lib/modules/`uname -r`/build" \
383                                  "/lib/modules/`uname -r`/source" \
384                                  "/usr/src/linux-2.4" \
385                                  "/usr/src/linux"; do
386                      LINUX_KERNEL_PATH="$utsdir"
387                      for utsfile in "include/generated/utsrelease.h" \
388                                     "include/linux/utsrelease.h" \
389                                     "include/linux/version.h" \
390                                     "include/linux/version-up.h"; do
391                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
392                          break 2
393                        fi
394                      done
395                    done
396                  fi
397                  if test "x$with_linux_kernel_build" != "x"; then
398                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
399                  else
400                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
401                  fi
402                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
403                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
404                    LINUX_VERSION="$linux_kvers"
405                  else
406                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
407                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
408                      LINUX_VERSION="$linux_kvers"
409                    else
410                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
411                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
412                        if test "x$linux_kvers" = "x"; then
413                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
414                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
415                            if test "x$linux_kvers" = "x"; then
416                              AC_MSG_ERROR(Linux headers lack version definition [2])
417                              exit 1
418                            else
419                              LINUX_VERSION="$linux_kvers"
420                            fi
421                          else
422                            AC_MSG_ERROR(Linux headers lack version definition)
423                            exit 1
424                          fi
425                        else
426                          LINUX_VERSION="$linux_kvers"
427                        fi
428                      else
429                        enable_kernel_module="no"
430                      fi
431                    fi
432                  fi
433                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
434                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
435                      enable_kernel_module="no"
436                  fi
437                  if test "x$enable_kernel_module" = "xno"; then
438                   if test "x$with_linux_kernel_headers" != "x"; then
439                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
440                    exit 1
441                   else
442                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
443                   fi
444                  fi
445                  dnl do we need to determine SUBARCH from autoconf.h
446                  SUBARCH=default
447                 fi
448                 AC_MSG_RESULT(linux)
449                 GUESS_LINUX_VERSION=
450                 if test "x$enable_kernel_module" = "xyes"; then
451                  GUESS_LINUX_VERSION=${LINUX_VERSION}
452                 else
453                  GUESS_LINUX_VERSION=`uname -r`
454                 fi
455                 case "$GUESS_LINUX_VERSION" in
456                   2.2.*) AFS_SYSKVERS=22 ;;
457                   2.4.*) AFS_SYSKVERS=24 ;;
458                   [2.6.* | [3-9]* | [1-2][0-9]*]) AFS_SYSKVERS=26 ;;
459                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
460                 esac
461                 ;;
462         *-solaris*)
463                 MKAFS_OSTYPE=SOLARIS
464                 AC_MSG_RESULT(sun4)
465                 AC_PATH_PROG(SOLARISCC, [cc], ,
466                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
467                 if test "x$SOLARISCC" = "x" ; then
468                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
469                 fi
470                 SOLARIS_UFSVFS_HAS_DQRWLOCK
471                 SOLARIS_FS_HAS_FS_ROLLED
472                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
473                 SOLARIS_HAVE_VN_RENAMEPATH
474                 ;;
475         *-sunos*)
476                 MKAFS_OSTYPE=SUNOS
477                 enable_kernel_module=no
478                 AC_MSG_RESULT(sun4)
479                 ;;
480         *-hpux*)
481                 MKAFS_OSTYPE=HPUX
482                 AC_MSG_RESULT(hp_ux)
483                 if test -f "/usr/old/usr/include/ndir.h"; then
484                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
485                 fi
486                 ;;
487         *-irix*)
488                 if test -d /usr/include/sys/SN/SN1; then
489                  IRIX_BUILD_IP35="IP35"
490                 fi
491                 MKAFS_OSTYPE=IRIX
492                 AC_MSG_RESULT(sgi)
493                 ;;
494         *-aix*)
495                 MKAFS_OSTYPE=AIX
496                 AC_MSG_RESULT(rs_aix)
497                 ;;
498         arm-*-darwin*)
499                 MKAFS_OSTYPE=DARWIN
500                 AC_MSG_RESULT(arm_darwin)
501                 ;;
502         powerpc-*-darwin*)
503                 MKAFS_OSTYPE=DARWIN
504                 AC_MSG_RESULT(ppc_darwin)
505                 ;;
506         i386-*-darwin*)
507                 MKAFS_OSTYPE=DARWIN
508                 AC_MSG_RESULT(x86_darwin)
509                 ;;
510         x86_64-*-darwin*)
511                 MKAFS_OSTYPE=DARWIN
512                 AC_MSG_RESULT(x86_darwin)
513                 ;;
514         i386-*-freebsd*)
515                 MKAFS_OSTYPE=FBSD
516                 AC_MSG_RESULT(i386_fbsd)
517                 ;;
518         x86_64-*-freebsd*)
519                 MKAFS_OSTYPE=FBSD
520                 AC_MSG_RESULT(amd64_fbsd)
521                 ;;
522         *-netbsd*)
523                 MKAFS_OSTYPE=NBSD
524                 AC_MSG_RESULT(nbsd)
525                 ;;
526         x86_64-*-openbsd*)
527                 MKAFS_OSTYPE=OBSD
528                 AC_MSG_RESULT(amd64_obsd)
529                 ;;
530         i386-*-openbsd*)
531                 MKAFS_OSTYPE=OBSD
532                 AC_MSG_RESULT(i386_obsd)
533                 ;;
534         *-dragonfly*)
535                 MKAFS_OSTYPE=DFBSD
536                 AC_MSG_RESULT(i386_dfbsd)
537                 ;;
538         *)
539                 AC_MSG_RESULT($system)
540                 ;;
541 esac
542
543 if test "x$with_afs_sysname" != "x"; then
544         AFS_SYSNAME="$with_afs_sysname"
545 else
546         AC_MSG_CHECKING(your AFS sysname)
547         case $host in
548                 i?86-*-openbsd?.?)
549                         v=${host#*openbsd}
550                         vM=${v%.*}
551                         vm=${v#*.}
552                         AFS_SYSNAME="i386_obsd${vM}${vm}"
553                         ;;
554                 sparc64-*-openbsd?.?)
555                         v=${host#*openbsd}
556                         vM=${v%.*}
557                         vm=${v#*.}
558                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
559                         ;;
560                 x86_64-*-openbsd?.?)
561                         v=${host#*openbsd}
562                         vM=${v%.*}
563                         vm=${v#*.}
564                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
565                         ;;
566                 i?86-*-freebsd*.*)
567                         v=${host#*freebsd}
568                         vM=${v%.*}
569                         vm=${v#*.}
570                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
571                         ;;
572                 x86_64-*-freebsd*.*)
573                         v=${host#*freebsd}
574                         vM=${v%.*}
575                         vm=${v#*.}
576                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
577                         ;;
578                 i386-*-dragonfly?.*)
579                         v=${host#*dragonfly}
580                         vM=${v%.*}
581                         vm=${v#*.}
582                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
583                         ;;
584                 i?86-*-netbsd*1.6[[M-Z]]*)
585                         AFS_SYSNAME="i386_nbsd20"
586                         ;;
587                 powerpc-*-netbsd*1.6[[M-Z]]*)
588                         AFS_SYSNAME="ppc_nbsd20"
589                         ;;
590                 *-*-netbsd*)
591                         arch=${host%%-unknown*}
592                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
593                                                -e 's/powerpc/ppc/g')
594                         v=${host#*netbsd}
595                         v=${v#*aout}
596                         v=${v#*ecoff}
597                         v=${v#*elf}
598                         vM=${v%%.*}
599                         vM=${vM%.*}
600                         v=${v#*.}
601                         vm=${v%%.*}
602                         vm=${vm%.*}
603                         vm=${vm%%[[_A-Z]]*}
604                         if test $vm -eq 99 ; then
605                                 vM=$((vM+1))
606                         fi
607                         if test $vM -gt 1 ; then
608                                 vm=0
609                         fi
610                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
611                         ;;
612                 hppa*-hp-hpux11.0*)
613                         AFS_SYSNAME="hp_ux110"
614                         ;;
615                 hppa*-hp-hpux11.11)
616                         AFS_SYSNAME="hp_ux11i"
617                         ;;
618                 hppa*-hp-hpux11.23)
619                         AFS_SYSNAME="hp_ux1123"
620                         ;;
621                 ia64-hp-hpux11.22)
622                         AFS_SYSNAME="ia64_hpux1122"
623                         ;;
624                 ia64-hp-hpux*)
625                         AFS_SYSNAME="ia64_hpux1123"
626                         ;;
627                 hppa*-hp-hpux10*)
628                         AFS_SYSNAME="hp_ux102"
629                         ;;
630                 powerpc-apple-darwin7*)
631                         AFS_SYSNAME="ppc_darwin_70"
632                         OSXSDK="macosx10.3"
633                         ;;
634                 powerpc-apple-darwin8.*)
635                         AFS_SYSNAME="ppc_darwin_80"
636                         OSXSDK="macosx10.4"
637                         ;;
638                 i386-apple-darwin8.*)
639                         AFS_SYSNAME="x86_darwin_80"
640                         OSXSDK="macosx10.4"
641                         ;;
642                 powerpc-apple-darwin9.*)
643                         AFS_SYSNAME="ppc_darwin_90"
644                         OSXSDK="macosx10.5"
645                         ;;
646                 i386-apple-darwin9.*)
647                         AFS_SYSNAME="x86_darwin_90"
648                         OSXSDK="macosx10.5"
649                         ;;
650                 i?86-apple-darwin10.*)
651                         AFS_SYSNAME="x86_darwin_100"
652                         OSXSDK="macosx10.6"
653                         ;;
654                 x86_64-apple-darwin10.*)
655                         AFS_SYSNAME="x86_darwin_100"
656                         OSXSDK="macosx10.6"
657                         ;;
658                 arm-apple-darwin10.*)
659                         AFS_SYSNAME="arm_darwin_100"
660                         OSXSDK="iphoneos4.0"
661                         ;;
662                 x86_64-apple-darwin11.*)
663                         AFS_SYSNAME="x86_darwin_110"
664                         OSXSDK="macosx10.7"
665                         ;;
666                 i?86-apple-darwin11.*)
667                         AFS_SYSNAME="x86_darwin_110"
668                         OSXSDK="macosx10.7"
669                         ;;
670                 x86_64-apple-darwin12.*)
671                         AFS_SYSNAME="x86_darwin_120"
672                         OSXSDK="macosx10.8"
673                         ;;
674                 i?86-apple-darwin12.*)
675                         AFS_SYSNAME="x86_darwin_120"
676                         OSXSDK="macosx10.8"
677                         ;;
678                 x86_64-apple-darwin13.*)
679                         AFS_SYSNAME="x86_darwin_130"
680                         OSXSDK="macosx10.9"
681                         ;;
682                 i?86-apple-darwin13.*)
683                         AFS_SYSNAME="x86_darwin_130"
684                         OSXSDK="macosx10.9"
685                         ;;
686                 x86_64-apple-darwin14.*)
687                         AFS_SYSNAME="x86_darwin_140"
688                         OSXSDK="macosx10.10"
689                         ;;
690                 i?86-apple-darwin14.*)
691                         AFS_SYSNAME="x86_darwin_140"
692                         OSXSDK="macosx10.10"
693                         ;;
694                 sparc-sun-solaris2.8)
695                         AFS_SYSNAME="sun4x_58"
696                         ;;
697                 sparc-sun-solaris2.9)
698                         AFS_SYSNAME="sun4x_59"
699                         ;;
700                 sparc-sun-solaris2.10)
701                         AFS_SYSNAME="sun4x_510"
702                         ;;
703                 sparc-sun-solaris2.11)
704                         AFS_SYSNAME="sun4x_511"
705                         ;;
706                 i386-pc-solaris2.8)
707                         AFS_SYSNAME="sunx86_58"
708                         ;;
709                 i386-pc-solaris2.9)
710                         AFS_SYSNAME="sunx86_59"
711                         ;;
712                 i386-pc-solaris2.10)
713                         AFS_SYSNAME="sunx86_510"
714                         ;;
715                 i386-pc-solaris2.11)
716                         AFS_SYSNAME="sunx86_511"
717                         ;;
718                 alpha*-dec-osf4.0*)
719                         AFS_SYSNAME="alpha_dux40"
720                         ;;
721                 alpha*-dec-osf5.0*)
722                         AFS_SYSNAME="alpha_dux50"
723                         ;;
724                 alpha*-dec-osf5.1*)
725                         AFS_SYSNAME="alpha_dux51"
726                         ;;
727                 mips-sgi-irix6.5)
728                         AFS_SYSNAME="sgi_65"
729                         enable_pam="no"
730                         ;;
731                 ia64-*-linux*)
732                         AFS_SYSNAME="ia64_linuxXX"
733                         ;;
734                 powerpc-*-linux*)
735                         AFS_SYSNAME="`/bin/arch`_linuxXX"
736                         ;;
737                 powerpc64-*-linux*)
738                         AFS_SYSNAME="ppc64_linuxXX"
739                         ;;
740                 alpha*-linux*)
741                         AFS_SYSNAME="alpha_linux_XX"
742                         ;;
743                 s390-*-linux*)
744                         AFS_SYSNAME="s390_linuxXX"
745                         ;;
746                 s390x-*-linux*)
747                         AFS_SYSNAME="s390x_linuxXX"
748                         ;;
749                 sparc-*-linux*)
750                         AFS_SYSNAME="`/bin/arch`_linuxXX"
751                         ;;
752                 sparc64-*-linux*)
753                         AFS_SYSNAME="sparc64_linuxXX"
754                         ;;
755                 i?86-*-linux*)
756                         AFS_SYSNAME="i386_linuxXX"
757                         ;;
758                 arm*-linux*)
759                         AFS_SYSNAME="arm_linuxXX"
760                         ;;
761                 parisc-*-linux-gnu|hppa-*-linux-gnu)
762                         AFS_SYSNAME="parisc_linuxXX"
763                         enable_pam="no"
764                         ;;
765                 power*-ibm-aix4.2*)
766                         AFS_SYSNAME="rs_aix42"
767                         enable_pam="no"
768                         ;;
769                 power*-ibm-aix4.3*)
770                         AFS_SYSNAME="rs_aix42"
771                         enable_pam="no"
772                         ;;
773                 power*-ibm-aix5.1*)
774                         AFS_SYSNAME="rs_aix51"
775                         enable_pam="no"
776                         ;;
777                 power*-ibm-aix5.2*)
778                         AFS_SYSNAME="rs_aix52"
779                         enable_pam="no"
780                         ;;
781                 power*-ibm-aix5.3*)
782                         AFS_SYSNAME="rs_aix53"
783                         enable_pam="no"
784                         ;;
785                 power*-ibm-aix6.1*)
786                         AFS_SYSNAME="rs_aix61"
787                         enable_pam="no"
788                         ;;
789                 x86_64-*-linux-gnu)
790                         AFS_SYSNAME="amd64_linuxXX"
791                         enable_pam="yes"
792                         ;;
793                 *)
794                         AC_MSG_ERROR(An AFS sysname is required)
795                         exit 1
796                         ;;
797         esac
798         case $AFS_SYSNAME in
799                 *_linux* | *_umlinux*)
800                         if test "x${AFS_SYSKVERS}" = "x"; then
801                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
802                         fi
803                         if test "x${AFS_SYSKVERS}" = "x24" ||
804                                 test "x${AFS_SYSKVERS}" = "x22"; then
805                             AC_MSG_ERROR([Linux 2.4.x and older are no longer supported by OpenAFS.  Please use an OpenAFS 1.6.x release on those systems.])
806                         fi
807                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
808                         AFS_SYSNAME="$_AFS_SYSNAME"
809                         AC_TRY_KBUILD(
810                          [],
811                          [#ifndef CONFIG_USERMODE
812                           #error not UML
813                           #endif],
814                          ac_cv_linux_is_uml=yes,)
815                         if test "${ac_cv_linux_is_uml}" = yes; then
816                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
817                         fi
818                         AFS_SYSNAME="$_AFS_SYSNAME"
819                         ;;
820         esac
821         AC_MSG_RESULT($AFS_SYSNAME)
822 fi
823
824 case $AFS_SYSNAME in
825         *_darwin*)
826                 AC_CHECK_HEADERS(crt_externs.h)
827                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
828                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
829                 AC_SUBST(OSXSDK)
830                 ;;
831 esac
832
833 dnl Some hosts have a separate common param file they should include.  Figure
834 dnl out if we're on one of them now that we know the sysname.
835 case $AFS_SYSNAME in
836     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
837     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
838     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
839     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
840     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
841     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
842     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
843     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
844     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
845     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
846     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
847     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
848     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
849     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
850     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
851     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
852     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
853     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
854     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
855     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
856     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
857     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
858     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
859     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
860     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
861     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
862     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
863     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
864     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
865     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
866     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
867     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
868     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
869     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
870 # Linux alpha adds an extra underscore for no good reason.
871     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
872     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
873 esac
874
875 OPENAFS_OSCONF
876
877 case $AFS_SYSNAME in *_linux* | *_umlinux*)
878
879                 # Add (sub-) architecture-specific paths needed by conftests
880                 case $AFS_SYSNAME  in
881                         *_umlinux26)
882                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
883                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
884                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
885                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
886                 esac
887
888                 if test "x$enable_kernel_module" = "xyes"; then
889                  if test "x$enable_debug_kernel" = "xno"; then
890                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
891                  fi
892                  OPENAFS_GCC_SUPPORTS_MARCH
893                  AC_SUBST(P5PLUS_KOPTS)
894                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
895                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
896                  OPENAFS_GCC_SUPPORTS_NO_COMMON
897                  OPENAFS_GCC_SUPPORTS_PIPE
898                  AC_SUBST(LINUX_GCC_KOPTS)
899
900                  dnl Setup the kernel build environment
901                  LINUX_KBUILD_USES_EXTRA_CFLAGS
902                  LINUX_KERNEL_COMPILE_WORKS
903
904                  dnl Check for header files
905                  AC_CHECK_LINUX_HEADER([config.h])
906                  AC_CHECK_LINUX_HEADER([completion.h])
907                  AC_CHECK_LINUX_HEADER([exportfs.h])
908                  AC_CHECK_LINUX_HEADER([freezer.h])
909                  AC_CHECK_LINUX_HEADER([key-type.h])
910                  AC_CHECK_LINUX_HEADER([semaphore.h])
911                  AC_CHECK_LINUX_HEADER([seq_file.h])
912
913                  dnl Type existence checks
914                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
915                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
916
917                  dnl Check for structure elements
918                  AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
919                  AC_CHECK_LINUX_STRUCT([address_space_operations],
920                                        [write_begin], [fs.h])
921                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
922                                        [backing-dev.h])
923                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
924                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
925                  AC_CHECK_LINUX_STRUCT([dentry], [d_u.d_alias], [dcache.h])
926                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
927                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
928                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
929                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
930                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
931                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
932                  AC_CHECK_LINUX_STRUCT([file], [f_path], [fs.h])
933                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
934                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
935                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
936                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
937                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
938                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
939                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
940                  AC_CHECK_LINUX_STRUCT([key_type], [match_preparse], [key-type.h])
941                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
942                  AC_CHECK_LINUX_STRUCT([msghdr], [msg_iter], [socket.h])
943                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
944                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
945                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
946                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
947                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
948                                        [fs.h])
949                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
950                                        [fs.h])
951                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
952                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
953                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
954                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
955                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
956                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
957                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
958                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
959                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
960                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
961                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
962
963                  dnl Check for typed structure elements
964                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
965                                              [buf], [fs.h])
966
967                  dnl Function existence checks
968
969                  AC_CHECK_LINUX_FUNC([__vfs_read],
970                                      [#include <linux/fs.h>],
971                                      [__vfs_read(NULL, NULL, 0, NULL);])
972                  AC_CHECK_LINUX_FUNC([bdi_init],
973                                      [#include <linux/backing-dev.h>],
974                                      [bdi_init(NULL);])
975                  AC_CHECK_LINUX_FUNC([PageChecked],
976                                      [#include <linux/mm.h>
977 #include <linux/page-flags.h>],
978                                      [struct page *_page;
979                                       int bchecked = PageChecked(_page);])
980                  AC_CHECK_LINUX_FUNC([PageFsMisc],
981                                      [#include <linux/mm.h>
982 #include <linux/page-flags.h>],
983                                      [struct page *_page;
984                                       int bchecked = PageFsMisc(_page);])
985                  AC_CHECK_LINUX_FUNC([clear_inode],
986                                      [#include <linux/fs.h>],
987                                      [clear_inode(NULL);])
988                  AC_CHECK_LINUX_FUNC([current_kernel_time],
989                                      [#include <linux/time.h>],
990                                      [struct timespec s;
991                                       s = current_kernel_time();])
992                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
993                                      [#include <linux/fs.h>],
994                                      [d_alloc_anon(NULL);])
995                  AC_CHECK_LINUX_FUNC([d_count],
996                                      [#include <linux/dcache.h>],
997                                      [d_count(NULL);])
998                  AC_CHECK_LINUX_FUNC([d_make_root],
999                                      [#include <linux/fs.h>],
1000                                      [d_make_root(NULL);])
1001                  AC_CHECK_LINUX_FUNC([do_sync_read],
1002                                      [#include <linux/fs.h>],
1003                                      [do_sync_read(NULL, NULL, 0, NULL);])
1004                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
1005                                      [#include <linux/sched.h>],
1006                                      [pid_t p; find_task_by_pid(p);])
1007                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
1008                                      [#include <linux/fs.h>],
1009                                      [generic_file_aio_read(NULL,NULL,0,0);])
1010                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
1011                                      [#include <linux/pagemap.h>],
1012                                      [grab_cache_page_write_begin(NULL, 0, 0);])
1013                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
1014                                      [#include <linux/list.h>],
1015                                      [hlist_unhashed(0);])
1016                  AC_CHECK_LINUX_FUNC([ihold],
1017                                      [#include <linux/fs.h>],
1018                                      [ihold(NULL);])
1019                  AC_CHECK_LINUX_FUNC([i_size_read],
1020                                      [#include <linux/fs.h>],
1021                                      [i_size_read(NULL);])
1022                  AC_CHECK_LINUX_FUNC([inode_setattr],
1023                                      [#include <linux/fs.h>],
1024                                      [inode_setattr(NULL, NULL);])
1025                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
1026                                      [#include <linux/fs.h>],
1027                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
1028                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
1029                                      [#include <linux/net.h>],
1030                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
1031                  AC_CHECK_LINUX_FUNC([page_follow_link],
1032                                      [#include <linux/fs.h>],
1033                                      [page_follow_link(0,0);])
1034                  AC_CHECK_LINUX_FUNC([page_offset],
1035                                      [#include <linux/pagemap.h>],
1036                                      [page_offset(NULL);])
1037                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
1038                                      [#include <linux/pagevec.h>],
1039                                      [__pagevec_lru_add_file(NULL);])
1040                  AC_CHECK_LINUX_FUNC([path_lookup],
1041                                      [#include <linux/fs.h>
1042                                       #include <linux/namei.h>],
1043                                      [path_lookup(NULL, 0, NULL);])
1044                  AC_CHECK_LINUX_FUNC([proc_create],
1045                                      [#include <linux/proc_fs.h>],
1046                                      [proc_create(NULL, 0, NULL, NULL);])
1047                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
1048                                      [#include <linux/rcupdate.h>],
1049                                      [rcu_read_lock();])
1050                  AC_CHECK_LINUX_FUNC([set_nlink],
1051                                      [#include <linux/fs.h>],
1052                                      [set_nlink(NULL, 1);])
1053                  AC_CHECK_LINUX_FUNC([sock_create_kern],
1054                                      [#include <linux/net.h>],
1055                                      [sock_create_kern(0, 0, 0, NULL);])
1056                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
1057                                      [#include <linux/splice.h>],
1058                                      [splice_direct_to_actor(NULL,NULL,NULL);])
1059                  AC_CHECK_LINUX_FUNC([svc_addr_in],
1060                                      [#include <linux/sunrpc/svc.h>],
1061                                      [svc_addr_in(NULL);])
1062                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1063                                      [#include <linux/highmem.h>],
1064                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1065                  AC_CHECK_LINUX_FUNC([noop_fsync],
1066                                      [#include <linux/fs.h>],
1067                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1068                  AC_CHECK_LINUX_FUNC([kthread_run],
1069                                      [#include <linux/kernel.h>
1070                                       #include <linux/kthread.h>],
1071                                      [kthread_run(NULL, NULL, "test");])
1072
1073                  dnl Consequences - things which get set as a result of the
1074                  dnl                above tests
1075                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1076                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1077                                   [define to disable the nfs translator])])
1078
1079                  dnl Assorted more complex tests
1080                  LINUX_AIO_NONVECTOR
1081                  LINUX_EXPORTS_PROC_ROOT_FS
1082                  LINUX_KMEM_CACHE_INIT
1083                  LINUX_HAVE_KMEM_CACHE_T
1084                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1085                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1086                  LINUX_D_PATH_TAKES_STRUCT_PATH
1087                  LINUX_NEW_EXPORT_OPS
1088                  LINUX_INODE_SETATTR_RETURN_TYPE
1089                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1090                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1091                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1092                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1093                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1094                  LINUX_DOP_D_DELETE_TAKES_CONST
1095                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1096                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1097                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1098                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1099                  LINUX_AOP_WRITEBACK_CONTROL
1100                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1101                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1102                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1103                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1104                  LINUX_KERNEL_SOCK_CREATE
1105                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1106                  LINUX_NEED_RHCONFIG
1107                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1108                  LINUX_EXPORTS_TASKLIST_LOCK
1109                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1110                  LINUX_STATFS_TAKES_DENTRY
1111                  LINUX_REFRIGERATOR
1112                  LINUX_HAVE_TRY_TO_FREEZE
1113                  LINUX_LINUX_KEYRING_SUPPORT
1114                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1115                  LINUX_KEY_ALLOC_NEEDS_CRED
1116                  LINUX_INIT_WORK_HAS_DATA
1117                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1118                  LINUX_HAVE_DCACHE_LOCK
1119                  LINUX_D_COUNT_IS_INT
1120                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1121                  LINUX_IOP_CREATE_TAKES_UMODE_T
1122                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1123                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1124                  LINUX_DENTRY_OPEN_TAKES_PATH
1125                  LINUX_D_ALIAS_IS_HLIST
1126                  LINUX_HLIST_ITERATOR_NO_NODE
1127                  LINUX_IOP_I_CREATE_TAKES_BOOL
1128                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1129                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1130                  LINUX_D_INVALIDATE_IS_VOID
1131
1132                  dnl If we are guaranteed that keyrings will work - that is
1133                  dnl  a) The kernel has keyrings enabled
1134                  dnl  b) The code is new enough to give us a key_type_keyring
1135                  dnl then we just disable syscall probing unless we've been
1136                  dnl told otherwise
1137
1138                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1139                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1140                           [enable_linux_syscall_probing="no"],
1141                           [enable_linux_syscall_probing="yes"])
1142                  ])
1143
1144                  dnl Syscall probing needs a few tests of its own, and just
1145                  dnl won't work if the kernel doesn't export init_mm
1146                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1147                    LINUX_EXPORTS_INIT_MM
1148                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1149                      AC_MSG_ERROR(
1150                        [Can't do syscall probing without exported init_mm])
1151                    ])
1152                    LINUX_EXPORTS_SYS_CHDIR
1153                    LINUX_EXPORTS_SYS_OPEN
1154                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1155                              [define to enable syscall table probes])
1156                  ])
1157
1158                  dnl Packaging and SMP build
1159                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1160                    LINUX_WHICH_MODULES
1161                  else
1162                    AC_SUBST(MPS,'SP')
1163                  fi
1164
1165                  dnl Syscall probing
1166                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1167                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1168                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1169                    ])
1170                    ac_cv_linux_exports_sys_call_table=no
1171                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1172                      ac_cv_linux_exports_ia32_sys_call_table=yes
1173                    fi
1174                  else
1175                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1176                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1177                    LINUX_EXPORTS_SYS_CALL_TABLE
1178                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1179                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1180                          linux_syscall_method=none
1181                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1182                             linux_syscall_method=scan
1183                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1184                                linux_syscall_method=scan_with_kallsyms_address
1185                             fi
1186                          fi
1187                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1188                             linux_syscall_method=kallsyms_symbol
1189                          fi
1190                          if test "x$linux_syscall_method" = "xnone"; then
1191                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1192                             linux_syscall_method=scan
1193                          fi
1194                    fi
1195                  fi
1196                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1197                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1198                  fi
1199                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1200                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1201                  fi
1202                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1203                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1204                  else
1205                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1206                  fi
1207                 :
1208                 fi
1209                 if test "x$enable_linux_d_splice_alias_extra_iput" = xyes; then
1210                     AC_DEFINE(D_SPLICE_ALIAS_LEAK_ON_ERROR, 1, [for internal use])
1211                 fi
1212 dnl Linux-only, but just enable always.
1213                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1214 esac
1215
1216 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1217     [ac_cv_sync_fetch_and_add],
1218     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1219                     [ac_cv_sync_fetch_and_add=yes],
1220                     [ac_cv_sync_fetch_and_add=no])
1221 ])
1222 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1223       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1224                 [define if your C compiler has __sync_add_and_fetch])])
1225
1226 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1227     [ac_cv_sockaddr_len],
1228     [AC_TRY_COMPILE( [#include <sys/types.h>
1229 #include <sys/socket.h>],
1230                      [struct sockaddr *a; a->sa_len=0;],
1231                      [ac_cv_sockaddr_len=yes],
1232                      [ac_cv_sockaddr_len=no])
1233 ])
1234 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1235       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1236                  [define if you struct sockaddr sa_len])])
1237
1238 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1239         echo Skipping library tests because they confuse Irix.
1240 else
1241   AC_SEARCH_LIBS([socket], [socket inet])
1242   AC_SEARCH_LIBS([connect], [nsl])
1243   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1244
1245   dnl darwin wants it, aix hates it
1246   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1247   AC_TRY_COMPILE([
1248   #include <stdlib.h>
1249   #include <stdio.h>
1250   #include <sys/types.h>
1251   #include <sys/socket.h>
1252   #include <netinet/in.h>
1253   #include <arpa/inet.h>
1254   #include <arpa/nameser.h>
1255   #include <arpa/nameser_compat.h>
1256   #include <resolv.h>
1257   ], [static int i; i = 0;],
1258   [AC_MSG_RESULT(yes)
1259    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1260   [AC_MSG_RESULT(no)
1261    ])
1262
1263   openafs_save_libs="$LIBS"
1264   AC_MSG_CHECKING([for res_search])
1265   AC_FUNC_RES_SEARCH
1266
1267   if test "$ac_cv_func_res_search" = no; then
1268       for lib in dns nsl resolv; do
1269         if test "$ac_cv_func_res_search" != yes; then
1270           LIBS="-l$lib $LIBS"
1271           AC_FUNC_RES_SEARCH
1272           LIBS="$openafs_save_libs"
1273         fi
1274       done    
1275       if test "$ac_cv_func_res_search" = yes; then
1276         LIB_AFSDB="-l$lib"
1277         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1278         AC_MSG_RESULT([yes, in lib$lib])
1279       else
1280         AC_MSG_RESULT(no)
1281       fi
1282   else
1283     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1284     AC_MSG_RESULT(yes)
1285   fi
1286   
1287 fi
1288 XLIBS="$LIB_AFSDB $XLIBS"
1289
1290 AC_CHECK_RESOLV_RETRANS
1291
1292 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1293     [ac_cv_setsockopt_iprecverr],
1294     [AC_TRY_COMPILE( [
1295 #include <sys/types.h>
1296 #include <sys/socket.h>
1297 #include <netinet/in.h>],
1298 [int on=1;
1299 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1300         [ac_cv_setsockopt_iprecverr=yes],
1301         [ac_cv_setsockopt_iprecverr=no])])
1302
1303 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1304       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1305                  [define if we can receive socket errors via IP_RECVERR])])
1306
1307 PTHREAD_LIBS=error
1308 if test "x$MKAFS_OSTYPE" = OBSD; then
1309         PTHREAD_LIBS="-pthread"
1310 fi
1311 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1312         PTHREAD_LIBS="-pthread"
1313 fi
1314 if test "x$PTHREAD_LIBS" = xerror; then
1315         AC_CHECK_LIB(pthread, pthread_attr_init,
1316                 PTHREAD_LIBS="-lpthread")
1317 fi
1318 if test "x$PTHREAD_LIBS" = xerror; then
1319         AC_CHECK_LIB(pthreads, pthread_attr_init,
1320                 PTHREAD_LIBS="-lpthreads")
1321 fi
1322 if test "x$PTHREAD_LIBS" = xerror; then
1323         AC_CHECK_LIB(c_r, pthread_attr_init,
1324                 PTHREAD_LIBS="-lc_r")
1325 fi
1326 if test "x$PTHREAD_LIBS" = xerror; then
1327         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1328 fi
1329 if test "x$PTHREAD_LIBS" = xerror; then
1330         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1331         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1332                 PTHREAD_LIBS="-lpthread")
1333 fi
1334 if test "x$PTHREAD_LIBS" = xerror; then
1335         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1336 fi
1337 AC_SUBST(PTHREAD_LIBS)
1338
1339 HOST_CPU="$host_cpu"
1340
1341 if test "x$with_bsd_kernel_headers" != "x"; then
1342         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1343 else
1344         BSD_KERNEL_PATH="/usr/src/sys"
1345 fi
1346
1347 if test "x$with_bsd_kernel_build" != "x"; then
1348         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1349 else
1350         case $AFS_SYSNAME in
1351                 *_fbsd_*)
1352                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1353                         ;;
1354                 *_nbsd*)
1355                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1356         esac
1357 fi
1358
1359 # Fast restart
1360 if test "$enable_supergroups" = "yes"; then
1361         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1362 fi
1363
1364 if test "$enable_bitmap_later" = "yes"; then
1365         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1366 fi
1367
1368 if test "$enable_unix_sockets" = "yes"; then
1369         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1370         USE_UNIX_SOCKETS="yes"
1371 else
1372         USE_UNIX_SOCKETS="no"
1373 fi
1374 AC_SUBST(USE_UNIX_SOCKETS)
1375
1376 if test "$enable_namei_fileserver" = "yes"; then
1377         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1378         VFSCK=""
1379 else
1380         if test "$enable_namei_fileserver" = "default"; then
1381                 case $host in
1382                         *-solaris2.10*)
1383                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1384                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1385                                 VFSCK=""
1386                                 ;;
1387                         *-solaris2.11*)
1388                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1389                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1390                                 VFSCK=""
1391                                 ;;
1392                         *)
1393                                 VFSCK="vfsck"
1394                                 ;;
1395                 esac
1396         else
1397                 VFSCK="vfsck"
1398         fi
1399 fi
1400
1401 dnl check for tivoli
1402 AC_MSG_CHECKING(for tivoli tsm butc support)
1403 XBSA_CFLAGS=""
1404 if test "$enable_tivoli_tsm" = "yes"; then
1405         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1406         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1407         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1408         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1409
1410         if test -r "$XBSADIR3/dsmapifp.h"; then
1411                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1412                 XBSA_XLIBS="-ldl"
1413                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1414         elif test -r "$XBSADIR4/dsmapifp.h"; then
1415                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1416                 XBSA_XLIBS="-ldl"
1417                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1418         elif test -r "$XBSADIR1/xbsa.h"; then
1419                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1420                 XBSA_XLIBS=""
1421                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1422         elif test -r "$XBSADIR2/xbsa.h"; then
1423                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1424                 XBSA_XLIBS=""
1425                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1426         else
1427                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1428         fi
1429 else
1430         AC_MSG_RESULT([no])
1431 fi
1432 AC_SUBST(XBSA_CFLAGS)
1433 AC_SUBST(XBSA_XLIBS) 
1434
1435 dnl checks for header files.
1436 AC_HEADER_STDC
1437 AC_HEADER_SYS_WAIT
1438 AC_HEADER_DIRENT
1439 AC_CHECK_HEADERS([ \
1440                    arpa/inet.h \
1441                    arpa/nameser.h \
1442                    curses.h\
1443                    direct.h \
1444                    errno.h \
1445                    fcntl.h \
1446                    grp.h \
1447                    math.h \
1448                    mntent.h \
1449                    ncurses.h \
1450                    ncurses/ncurses.h \
1451                    netdb.h \
1452                    netinet/in.h \
1453                    pthread_np.h \
1454                    pwd.h \
1455                    regex.h \
1456                    security/pam_appl.h \
1457                    signal.h \
1458                    stdint.h \
1459                    stdio_ext.h \
1460                    stdlib.h \
1461                    string.h \
1462                    strings.h \
1463                    sys/bitypes.h \
1464                    sys/bswap.h \
1465                    sys/dk.h \
1466                    sys/fcntl.h \
1467                    sys/file.h \
1468                    sys/fs_types.h \
1469                    sys/fstyp.h \
1470                    sys/ioctl.h \
1471                    sys/ipc.h \
1472                    sys/lockf.h \
1473                    sys/map.h \
1474                    sys/mount.h \
1475                    sys/mntent.h \
1476                    sys/mnttab.h \
1477                    sys/pag.h \
1478                    sys/param.h \
1479                    sys/resource.h \
1480                    sys/select.h \
1481                    sys/statfs.h \
1482                    sys/statvfs.h \
1483                    sys/socket.h \
1484                    sys/sysctl.h \
1485                    sys/time.h \
1486                    sys/types.h \
1487                    sys/uio.h \
1488                    sys/un.h \
1489                    sys/vfs.h \
1490                    syslog.h \
1491                    termios.h \
1492                    time.h \
1493                    ucontext.h \
1494                    unistd.h \
1495                    windows.h \
1496                 ])
1497
1498 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1499 #ifdef HAVE_NETINET_IN_H
1500 # include <netinet/in.h>
1501 #endif])
1502
1503 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1504 #ifdef HAVE_SYS_SOCKET_H
1505 # include <sys/socket.h>
1506 #endif])
1507
1508 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1509 #ifdef HAVE_SYS_SOCKET_H
1510 # include <sys/socket.h>
1511 #endif
1512 #ifdef HAVE_NETINET_IN_H
1513 # include <netinet/in.h>
1514 #endif
1515 #ifdef HAVE_NET_IF_H
1516 # include <net/if.h>
1517 #endif])
1518
1519 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1520 #ifdef HAVE_SECURITY_PAM_APPL_H
1521 # include <security/pam_appl.h>
1522 #endif])
1523
1524 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1525
1526 AC_CHECK_TYPES([fsblkcnt_t],,,[
1527 #include <sys/types.h>
1528 #ifdef HAVE_SYS_BITYPES_H
1529 #include <sys/bitypes.h>
1530 #endif
1531 #ifdef HAVE_SYS_STATFS_H
1532 #include <sys/statfs.h>
1533 #endif
1534 #ifdef HAVE_SYS_STATVFS_H
1535 #include <sys/statvfs.h>
1536 #endif
1537 ])
1538
1539 dnl see what struct stat has for timestamps
1540 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1541
1542 dnl check for curses-lib
1543 AS_IF([test "x$enable_gtx" != "xno"],
1544       [save_LIBS=$LIBS
1545       AC_CHECK_LIB( [ncurses], [setupterm],
1546       [LIB_curses=-lncurses],
1547         [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1548           [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
1549       ])
1550       LIBS=$save_LIBS
1551       AC_SUBST(LIB_curses)])
1552         
1553 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1554
1555 if test "$enable_debug_locks" = yes; then
1556         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1557 fi
1558
1559 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1560         HAVE_PAM="YES"
1561 else
1562         HAVE_PAM="no"
1563 fi
1564 AC_SUBST(HAVE_PAM)
1565
1566 if test "$enable_login" = yes; then
1567         BUILD_LOGIN="yes"
1568 else
1569         BUILD_LOGIN="no"
1570 fi
1571 AC_SUBST(BUILD_LOGIN)
1572
1573 if test "$enable_kauth" = yes; then
1574         INSTALL_KAUTH="yes"
1575 else
1576         INSTALL_KAUTH="no"
1577 fi
1578 AC_SUBST(INSTALL_KAUTH)
1579
1580 AC_CHECK_FUNCS([ \
1581         arc4random \
1582         fcntl \
1583         fseeko64 \
1584         ftello64 \
1585         getcwd \
1586         getegid \
1587         geteuid \
1588         getgid \
1589         getuid \
1590         getrlimit \
1591         issetugid \
1592         mkstemp \
1593         poll \
1594         pread \
1595         preadv \
1596         preadv64 \
1597         pwrite \
1598         pwritev \
1599         pwritev64 \
1600         regcomp \
1601         regerror \
1602         regexec \
1603         setitimer \
1604         setvbuf \
1605         sigaction \
1606         strcasestr \
1607         strerror \
1608         sysconf \
1609         sysctl \
1610         tdestroy \
1611         timegm \
1612 ])
1613
1614 OPENAFS_ROKEN()
1615 OPENAFS_HCRYPTO()
1616 OPENAFS_C_ATTRIBUTE()
1617
1618 dnl Functions that Heimdal's libroken provides, but that we
1619 dnl haven't found a need for yet, and so haven't imported
1620 AC_CHECK_FUNCS([ \
1621         chown \
1622         fchown \
1623         gethostname \
1624         lstat \
1625         inet_aton \
1626         putenv \
1627         readv \
1628         setenv \
1629         strdup \
1630         strftime \
1631         strndup \
1632         strsep \
1633         unsetenv \
1634 ])
1635
1636 dnl Functions that are in objects that we always build from libroken
1637 AC_CHECK_FUNCS([ \
1638         asprintf \
1639         asnprintf \
1640         vasprintf \
1641         vasnprintf \
1642         vsnprintf \
1643         snprintf \
1644 ])
1645
1646 dnl Functions that we're going to try and get from libroken
1647 AC_REPLACE_FUNCS([ \
1648         daemon \
1649         ecalloc \
1650         emalloc \
1651         erealloc \
1652         err \
1653         errx \
1654         flock \
1655         freeaddrinfo \
1656         gai_strerror \
1657         getaddrinfo \
1658         getdtablesize \
1659         getnameinfo \
1660         getopt \
1661         getprogname \
1662         gettimeofday \
1663         inet_ntop \
1664         inet_pton \
1665         localtime_r \
1666         mkstemp \
1667         setenv \
1668         setprogname \
1669         strcasecmp \
1670         strlcat \
1671         strnlen \
1672         strlcpy \
1673         strsep \
1674         tdelete \
1675         tfind \
1676         tsearch \
1677         twalk \
1678         unsetenv \
1679         verr \
1680         verrx \
1681         vsyslog \
1682         vwarn \
1683         vwarnx \
1684         warn \
1685         warnx \
1686 ])
1687
1688 dnl Headers that we're going to try and get from libroken
1689 AC_CHECK_HEADERS([ \
1690         err.h \
1691         search.h \
1692 ])
1693
1694 AC_CHECK_DECLS([h_errno], [], [], [
1695 #include <sys/types.h>
1696 #ifdef HAVE_NETDB_H
1697 #include <netdb.h>
1698 #endif
1699 ])
1700
1701 AC_HEADER_TIME
1702
1703 ROKEN_HEADERS=
1704 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1705       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1706       [])
1707 AC_SUBST(ROKEN_HEADERS)
1708
1709 dnl Stuff that's harder ...
1710 AC_MSG_CHECKING([for bswap16])
1711 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1712 #ifdef HAVE_SYS_TYPES_H
1713 #include <sys/types.h>
1714 #endif
1715 #ifdef HAVE_SYS_BSWAP_H
1716 #include <sys/bswap.h>
1717 #endif
1718 ],
1719 [short a, b; b = bswap16(a); ])],
1720 [AC_MSG_RESULT(yes)
1721  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1722 ],
1723 [AC_MSG_RESULT(no)])
1724
1725 AC_MSG_CHECKING([for bswap32])
1726 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1727 #include <sys/types.h>
1728 #endif
1729 #ifdef HAVE_SYS_BSWAP_H
1730 #include <sys/bswap.h>
1731 #endif
1732 ],
1733 [int a, b; b = bswap32(a); ])],
1734 [AC_MSG_RESULT(yes)
1735  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1736 ],
1737 [AC_MSG_RESULT(no)])
1738
1739 case $AFS_SYSNAME in
1740 *hp_ux* | *hpux*)
1741    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1742    ;;
1743 *)
1744    AC_MSG_CHECKING([for positional I/O])
1745    if test "$ac_cv_func_pread" = "yes" && \
1746            test "$ac_cv_func_pwrite" = "yes"; then
1747       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1748       AC_MSG_RESULT(yes)
1749    else
1750      AC_MSG_RESULT(no)
1751    fi
1752    AC_MSG_CHECKING([for vectored positional I/O])
1753    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1754                "$ac_cv_func_pwritev" = "yes" -a \
1755                "$ac_cv_func_preadv64" = "yes" -a \
1756                "$ac_cv_func_pwritev64" = "yes"],
1757          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1758           AC_MSG_RESULT(yes)],
1759          [AC_MSG_RESULT(no)])
1760    ;;
1761 esac
1762
1763 AC_MSG_CHECKING([for POSIX regex library])
1764 if test "$ac_cv_header_regex_h" = "yes" && \
1765         test "$ac_cv_func_regcomp" = "yes" && \
1766         test "$ac_cv_func_regexec" = "yes" && \
1767         test "$ac_cv_func_regerror" = "yes"; then
1768     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1769     AC_MSG_RESULT(yes)
1770 else
1771     AC_MSG_RESULT(no)
1772 fi
1773
1774 dnl Look for "non-portable" pthreads functions.
1775 save_LIBS="$LIBS"
1776 LIBS="$LIBS $PTHREAD_LIBS"
1777 AC_CHECK_FUNCS([ \
1778         pthread_set_name_np \
1779         pthread_setname_np \
1780 ])
1781
1782 dnl Sadly, there are three different versions of pthread_setname_np.
1783 dnl Try to cater for all of them.
1784 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1785     AC_MSG_CHECKING([for signature of pthread_setname_np])
1786     AC_TRY_COMPILE([
1787 #include <pthread.h>
1788 #ifdef HAVE_PTHREAD_NP_H
1789 #include <pthread_np.h>
1790 #endif
1791 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1792         AC_MSG_RESULT([three arguments])
1793         pthread_setname_np_args=3], [
1794         AC_TRY_COMPILE([
1795 #include <pthread.h>
1796 #ifdef HAVE_PTHREAD_NP_H
1797 #include <pthread_np.h>
1798 #endif
1799 ], [pthread_setname_np(pthread_self(), "test")], [
1800             AC_MSG_RESULT([two arguments])
1801             pthread_setname_np_args=2], [
1802             AC_TRY_COMPILE([
1803 #include <pthread.h>
1804 #ifdef HAVE_PTHREAD_NP_H
1805 #include <pthread_np.h>
1806 #endif
1807 ], [pthread_setname_np("test")], [
1808                 AC_MSG_RESULT([one argument])
1809                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1810 ])
1811 ])
1812 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1813 fi
1814 LIBS="$save_LIBS"
1815
1816 openafs_cv_saved_CFLAGS="$CFLAGS"
1817 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1818
1819 AC_TYPE_SIGNAL
1820 OPENAFS_RETSIGTYPE
1821 AC_CHECK_SIZEOF(void *)
1822 AC_CHECK_SIZEOF(unsigned long long)
1823 AC_CHECK_SIZEOF(unsigned long)
1824 AC_CHECK_SIZEOF(unsigned int)
1825 AC_TYPE_INTPTR_T
1826 AC_TYPE_UINTPTR_T
1827 AC_TYPE_SSIZE_T
1828 AC_CHECK_TYPE([sig_atomic_t],[],
1829     [AC_DEFINE([sig_atomic_t], [int],
1830         [Define to int if <signal.h> does not define.])],
1831 [#include <sys/types.h>
1832 #include <signal.h>])
1833 AC_CHECK_TYPE([socklen_t],[],
1834     [AC_DEFINE([socklen_t], [int],
1835         [Define to int if <sys/socket.h> does not define.])],
1836 [#include <sys/types.h>
1837 #include <sys/socket.h>])
1838 AC_CHECK_TYPES(off64_t)
1839 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1840 AC_CHECK_TYPES([struct winsize], [], [], [
1841 #ifdef HAVE_TERMIOS_H
1842 # include <termios.h>
1843 #else
1844 # include <sys/termios.h>
1845 #endif
1846 #include <sys/ioctl.h>])
1847 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1848                 struct sockaddr_storage],
1849                [], [], [
1850 #include <sys/types.h>
1851 #include <sys/socket.h>
1852 ])
1853 AC_CHECK_TYPES([sa_family_t], [], [], [
1854 #include <sys/types.h>
1855 #include <sys/socket.h>
1856 ])
1857 AC_CHECK_TYPES([struct addrinfo], [], [], [
1858 #include <sys/types.h>
1859 #ifdef HAVE_NETDB_H
1860 #include <netdb.h>
1861 #endif
1862 ])
1863 AC_CHECK_TYPES([long long], [], [], [])
1864
1865 AC_SIZEOF_TYPE(long)
1866
1867 CFLAGS="$openafs_cv_saved_CFLAGS"
1868
1869 RRA_HEADER_PAM_CONST
1870
1871
1872 dnl Directory PATH handling
1873 if test "x$enable_transarc_paths" = "xyes"  ; then 
1874     afsconfdir=${afsconfdir=/usr/afs/etc}
1875     viceetcdir=${viceetcdir=/usr/vice/etc}
1876     afskerneldir=${afskerneldir=${viceetcdir}}
1877     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1878     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1879     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1880     afsdbdir=${afsdbdir=/usr/afs/db}
1881     afslogsdir=${afslogsdir=/usr/afs/logs}
1882     afslocaldir=${afslocaldir=/usr/afs/local}
1883     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1884     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1885     afsdatadir=${afsdatadir=/usr/vice/etc}
1886 else 
1887     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1888     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1889     afskerneldir=${afskerneldir='${libdir}/openafs'}
1890     afssrvbindir=${afssrvbindir='${bindir}'}
1891     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1892     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1893     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1894     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1895     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1896     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1897     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1898     afsdatadir=${afsdatadir='${datadir}/openafs'}
1899 fi
1900 AC_SUBST(afsconfdir)
1901 AC_SUBST(viceetcdir)
1902 AC_SUBST(afskerneldir)
1903 AC_SUBST(afssrvbindir)
1904 AC_SUBST(afssrvsbindir)
1905 AC_SUBST(afssrvlibexecdir)
1906 AC_SUBST(afsdbdir)
1907 AC_SUBST(afslogsdir)
1908 AC_SUBST(afslocaldir)
1909 AC_SUBST(afsbackupdir)
1910 AC_SUBST(afsbosconfigdir)
1911 AC_SUBST(afsdatadir)
1912
1913 if test "x$enable_kernel_module" = "xyes"; then
1914 ENABLE_KERNEL_MODULE=libafs
1915 fi
1916
1917 if test "x$enable_pthreaded_ubik" = "xyes"; then
1918 ENABLE_PTHREADED_UBIK=yes
1919 fi
1920
1921 AC_SUBST(VFSCK)
1922 AC_SUBST(AFS_SYSNAME)
1923 AC_SUBST(AFS_PARAM_COMMON)
1924 AC_SUBST(ENABLE_KERNEL_MODULE)
1925 AC_SUBST(ENABLE_PTHREADED_UBIK)
1926 AC_SUBST(LIB_AFSDB)
1927 AC_SUBST(LINUX_KERNEL_PATH)
1928 AC_SUBST(LINUX_KERNEL_BUILD)
1929 AC_SUBST(HOST_CPU)
1930 AC_SUBST(BSD_KERNEL_PATH)
1931 AC_SUBST(BSD_KERNEL_BUILD)
1932 AC_SUBST(LINUX_VERSION)
1933 AC_SUBST(MKAFS_OSTYPE)
1934 AC_SUBST(TOP_OBJDIR)
1935 AC_SUBST(TOP_SRCDIR)
1936 AC_SUBST(TOP_INCDIR)
1937 AC_SUBST(TOP_LIBDIR)
1938 AC_SUBST(DEST)
1939 AC_SUBST(DARWIN_INFOFILE)
1940 AC_SUBST(IRIX_BUILD_IP35)
1941 AC_SUBST(HTML_XSL)
1942 AC_SUBST(XSLTPROC)
1943 AC_SUBST(DOCBOOK2PDF)
1944 AC_SUBST(DOCBOOK_STYLESHEETS)
1945
1946 OPENAFS_FUSE
1947 OPENAFS_SWIG
1948
1949 TOP_SRCDIR="${srcdir}/src"
1950 dnl
1951 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1952 dnl
1953 case $TOP_SRCDIR in
1954         /*)
1955                 ;;
1956         *)
1957                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1958                 ;;
1959 esac
1960
1961 TOP_OBJDIR="${SRCDIR_PARENT}"
1962 TOP_INCDIR="${SRCDIR_PARENT}/include"
1963 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1964 if test "${DEST}x" = "x"; then
1965         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1966 fi
1967
1968 if test "x$with_crosstools_dir" != "x"; then
1969         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
1970                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
1971                 CONFIGTOOL_PATH=$with_crosstools_dir/config
1972                 RXGEN_PATH=$with_crosstools_dir/rxgen
1973         else
1974                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
1975                 exit 1
1976         fi
1977 else
1978         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
1979         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
1980         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
1981 fi
1982 AC_SUBST(COMPILE_ET_PATH)
1983 AC_SUBST(CONFIGTOOL_PATH)
1984 AC_SUBST(RXGEN_PATH)
1985
1986 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1987 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1988 AC_SUBST(HELPER_SPLINT)
1989 AC_SUBST(HELPER_SPLINTCFG)
1990
1991 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1992
1993 dnl Check to see if crypt lives in a different library
1994 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1995 AC_SUBST(LIB_crypt)
1996
1997 dnl Check to see if the compiler support labels in structs
1998 AC_MSG_CHECKING(for label support in structs)
1999 AC_TRY_COMPILE([], [
2000 extern void osi_UFSOpen(void);
2001 struct labeltest {
2002    void (*open) (void);
2003 };
2004 struct labeltest struct_labeltest = {
2005    .open       = osi_UFSOpen,
2006 }
2007 ],
2008 [AC_MSG_RESULT(yes)
2009  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
2010 ],
2011 [AC_MSG_RESULT(no)
2012 ])
2013
2014 AC_MSG_CHECKING([checking for dirfd])
2015 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
2016 #ifdef HAVE_DIRENT_H
2017 #include <dirent.h>
2018 #endif
2019 ]],
2020         [[DIR *d = 0; dirfd(d);]])],
2021         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
2022 if test "$ac_rk_have_dirfd" = "yes" ; then
2023         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
2024 fi
2025 AC_MSG_RESULT($ac_rk_have_dirfd)
2026
2027 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
2028 #ifdef HAVE_DIRENT_H
2029 #include <dirent.h>
2030 #endif])
2031
2032 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
2033 [#ifdef HAVE_SYS_RESOURCE_H
2034 #include <sys/resource.h>
2035 #endif])
2036
2037 dnl Check for UUID library
2038 AC_CHECK_HEADERS([uuid/uuid.h])
2039 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
2040 AC_CHECK_FUNCS([uuid_generate])
2041 ])
2042
2043