Linux 3.8: session_keyring changes
[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          /lib/modules/`uname -r`/build, then /lib/modules/`uname -r`/source,
125          then /usr/src/linux-2.4, and lastly /usr/src/linux)])])
126 AC_ARG_WITH([linux-kernel-build],
127     [AS_HELP_STRING([--with-linux-kernel-build=path],
128         [use the kernel build found at path(optional, defaults to 
129         kernel headers path)])])
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 AC_ARG_WITH([bsd-kernel-build],
135     [AS_HELP_STRING([--with-bsd-kernel-build=path], 
136         [use the kernel build found at path (optional, defaults to
137          KSRC/i386/compile/GENERIC)])])
138 AC_ARG_WITH([linux-kernel-packaging],
139     [AS_HELP_STRING([--with-linux-kernel-packaging],
140         [use standard naming conventions to aid Linux kernel build packaging
141          (disables MPS, sets the kernel module name to openafs.ko, and
142          installs kernel modules into the standard Linux location)])],
143     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
144      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
145     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
146 AC_ARG_ENABLE([kernel-module],
147     [AS_HELP_STRING([--disable-kernel-module],
148         [disable compilation of the kernel module (defaults to enabled)])],
149     , 
150     [enable_kernel_module="yes"])
151 AC_ARG_ENABLE([redhat-buildsys],
152     [AS_HELP_STRING([--enable-redhat-buildsys],
153         [enable compilation of the redhat build system kernel (defaults to
154          disabled)])],
155     ,
156     [enable_redhat_buildsys="no"])
157
158 dnl Installation locations.
159 AC_ARG_ENABLE([transarc-paths],
160     [AS_HELP_STRING([--enable-transarc-paths],
161         [use Transarc style paths like /usr/afs and /usr/vice])],
162     , 
163     [enable_transarc_paths="no"])
164
165 dnl Deprecated crypto
166 AC_ARG_ENABLE([kauth],
167     [AS_HELP_STRING([--disable-kauth],
168         [do not install the deprecated kauth server and utilities (defaults to
169          enabled)])],
170     ,
171     [enable_kauth="yes"])
172
173 dnl Optimization and debugging flags.
174 AC_ARG_ENABLE([strip-binaries],
175     [AS_HELP_STRING([--disable-strip-binaries],
176         [disable stripping of symbol information from binaries (defaults to
177          enabled)])],
178     ,
179     [enable_strip_binaries="maybe"])
180 AC_ARG_ENABLE([debug],
181     [AS_HELP_STRING([--enable-debug],
182         [enable compilation of the user space code with debugging information
183          (defaults to disabled)])],
184     , 
185     [enable_debug="no"])
186 AC_ARG_ENABLE([optimize],
187     [AS_HELP_STRING([--disable-optimize],
188         [disable optimization for compilation of the user space code (defaults
189          to enabled)])],
190     , 
191     [enable_optimize="yes"])
192 AC_ARG_ENABLE([warnings],
193     [AS_HELP_STRING([--enable-warnings],
194         [enable compilation warnings when building with gcc (defaults to
195          disabled)])],
196     ,
197     [enable_warnings="no"])
198 AC_ARG_ENABLE([checking],
199     [AS_HELP_STRING([--enable-checking],
200         [turn compilation warnings into errors when building with gcc (defaults
201          to disabled)])],
202     [enable_checking="$enableval"],
203     [enable_checking="no"])
204 AC_ARG_ENABLE([debug-locks],
205     [AS_HELP_STRING([--enable-debug-locks],
206         [turn on lock debugging assertions (defaults to disabled)])],
207     [enable_debug_locks="$enableval"],
208     [enable_debug_locks="no"])
209 AC_ARG_ENABLE([debug-kernel],
210     [AS_HELP_STRING([--enable-debug-kernel],
211         [enable compilation of the kernel module with debugging information
212          (defaults to disabled)])],
213     ,
214     [enable_debug_kernel="no"])
215 AC_ARG_ENABLE([optimize-kernel],
216     [AS_HELP_STRING([--disable-optimize-kernel],
217         [disable compilation of the kernel module with optimization (defaults
218          based on platform)])],
219     , 
220     [enable_optimize_kernel=""])
221 AC_ARG_ENABLE([debug-lwp],
222     [AS_HELP_STRING([--enable-debug-lwp],
223         [enable compilation of the LWP code with debugging information
224          (defaults to disabled)])],
225     ,
226     [enable_debug_lwp="no"])
227 AC_ARG_ENABLE([optimize-lwp],
228     [AS_HELP_STRING([--disable-optimize-lwp],
229         [disable optimization for compilation of the LWP code (defaults to
230          enabled)])],
231     ,
232     [enable_optimize_lwp="yes"])
233 AC_ARG_ENABLE([debug-pam],
234     [AS_HELP_STRING([--enable-debug-pam],
235         [enable compilation of the PAM code with debugging information
236          (defaults to disabled)])],
237     ,
238     [enable_debug_pam="no"])
239 AC_ARG_ENABLE([optimize-pam],
240     [AS_HELP_STRING([--disable-optimize-pam],
241         [disable optimization for compilation of the PAM code (defaults to
242          enabled)])],
243     ,
244     [enable_optimize_pam="yes"])
245 AC_ARG_ENABLE([linux-syscall-probing],
246     [AS_HELP_STRING([--enable-linux-syscall-probing],
247         [enable Linux syscall probing (defaults to autodetect)])],
248     ,
249     [enable_linux_syscall_probing="maybe"])
250 AC_ARG_WITH([crosstools-dir],
251     [AS_HELP_STRING([--with-crosstools-dir=path], [use path for native versions of rxgen, compile_et and config])])
252     
253 AC_ARG_WITH([xslt-processor],
254         AS_HELP_STRING([--with-xslt-processor=ARG],
255         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
256         [XSLTPROC="$withval"],
257         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
258
259 AC_ARG_WITH([html-xsl], 
260         AS_HELP_STRING([--with-html-xsl],
261         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
262         [HTML_XSL="$withval"],
263         [HTML_XSL="html/chunk.xsl"])
264
265 AC_ARG_WITH([docbook2pdf],
266         AS_HELP_STRING([--with-docbook2pdf=ARG],
267         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
268         [DOCBOOK2PDF="$withval"],
269         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
270
271 AC_ARG_WITH([docbook-stylesheets],
272         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
273         [location of DocBook stylesheets (default is to search a set of likely paths)]),
274         [DOCBOOK_STYLESHEETS="$withval"],
275         OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
276         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
277                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
278         fi)
279
280 enable_login="no"
281
282 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
283 dnl documentation build.
284 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
285
286 dnl weird ass systems
287 dnl AC_AIX
288 AC_ISC_POSIX
289 dnl AC_MINIX
290
291 dnl Various compiler setup.
292 AC_TYPE_PID_T
293 AC_TYPE_SIZE_T
294
295 dnl Checks for programs.
296 AC_PROG_INSTALL
297 AC_PROG_LN_S
298 AC_PROG_RANLIB
299 AC_PROG_YACC
300 AM_PROG_LEX
301 dnl if we are flex, be lex-compatible
302 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
303
304 OPENAFS_FORCE_ABS_INSTALL
305 OPENAFS_CHECK_BIGENDIAN
306 OPENAFS_PRINTF_TAKES_Z_LEN
307
308 AC_MSG_CHECKING(your OS)
309 system=$host
310 case $system in
311         *-linux*)
312
313                 MKAFS_OSTYPE=LINUX
314                 if test "x$enable_redhat_buildsys" = "xyes"; then
315                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
316                 fi
317                 if test "x$enable_kernel_module" = "xyes"; then
318                  if test "x$with_linux_kernel_headers" != "x"; then
319                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
320                  else
321                    for utsdir in "/lib/modules/`uname -r`/build" \
322                                  "/lib/modules/`uname -r`/source" \
323                                  "/usr/src/linux-2.4" \
324                                  "/usr/src/linux"; do
325                      LINUX_KERNEL_PATH="$utsdir"
326                      for utsfile in "include/generated/utsrelease.h" \
327                                     "include/linux/utsrelease.h" \
328                                     "include/linux/version.h" \
329                                     "include/linux/version-up.h"; do
330                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
331                          break 2
332                        fi
333                      done
334                    done
335                  fi
336                  if test "x$with_linux_kernel_build" != "x"; then
337                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
338                  else
339                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
340                  fi
341                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
342                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
343                    LINUX_VERSION="$linux_kvers"
344                  else
345                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
346                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
347                      LINUX_VERSION="$linux_kvers"
348                    else
349                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
350                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
351                        if test "x$linux_kvers" = "x"; then
352                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
353                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
354                            if test "x$linux_kvers" = "x"; then
355                              AC_MSG_ERROR(Linux headers lack version definition [2])
356                              exit 1
357                            else
358                              LINUX_VERSION="$linux_kvers"
359                            fi
360                          else
361                            AC_MSG_ERROR(Linux headers lack version definition)
362                            exit 1
363                          fi
364                        else
365                          LINUX_VERSION="$linux_kvers"
366                        fi
367                      else
368                        enable_kernel_module="no"
369                      fi
370                    fi
371                  fi
372                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
373                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
374                      enable_kernel_module="no"
375                  fi
376                  if test "x$enable_kernel_module" = "xno"; then
377                   if test "x$with_linux_kernel_headers" != "x"; then
378                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
379                    exit 1
380                   else
381                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
382                   fi
383                  fi
384                  dnl do we need to determine SUBARCH from autoconf.h
385                  SUBARCH=default
386                 fi
387                 AC_MSG_RESULT(linux)
388                 if test "x$enable_kernel_module" = "xyes"; then
389                  case "$LINUX_VERSION" in
390                   2.2.*) AFS_SYSKVERS=22 ;;
391                   2.4.*) AFS_SYSKVERS=24 ;;
392                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
393                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
394                  esac
395                 fi
396                 ;;
397         *-solaris*)
398                 MKAFS_OSTYPE=SOLARIS
399                 AC_MSG_RESULT(sun4)
400                 AC_PATH_PROG(SOLARISCC, [cc], ,
401                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
402                 if test "x$SOLARISCC" = "x" ; then
403                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
404                 fi
405                 SOLARIS_UFSVFS_HAS_DQRWLOCK
406                 SOLARIS_FS_HAS_FS_ROLLED
407                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
408                 ;;
409         *-sunos*)
410                 MKAFS_OSTYPE=SUNOS
411                 enable_kernel_module=no
412                 AC_MSG_RESULT(sun4)
413                 ;;
414         *-hpux*)
415                 MKAFS_OSTYPE=HPUX
416                 AC_MSG_RESULT(hp_ux)
417                 if test -f "/usr/old/usr/include/ndir.h"; then
418                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
419                 fi
420                 ;;
421         *-irix*)
422                 if test -d /usr/include/sys/SN/SN1; then
423                  IRIX_BUILD_IP35="IP35"
424                 fi
425                 MKAFS_OSTYPE=IRIX
426                 AC_MSG_RESULT(sgi)
427                 ;;
428         *-aix*)
429                 MKAFS_OSTYPE=AIX
430                 AC_MSG_RESULT(rs_aix)
431                 ;;
432         arm-*-darwin*)
433                 MKAFS_OSTYPE=DARWIN
434                 AC_MSG_RESULT(arm_darwin)
435                 ;;
436         powerpc-*-darwin*)
437                 MKAFS_OSTYPE=DARWIN
438                 AC_MSG_RESULT(ppc_darwin)
439                 ;;
440         i386-*-darwin*)
441                 MKAFS_OSTYPE=DARWIN
442                 AC_MSG_RESULT(x86_darwin)
443                 ;;
444         x86_64-*-darwin*)
445                 MKAFS_OSTYPE=DARWIN
446                 AC_MSG_RESULT(x86_darwin)
447                 ;;
448         i386-*-freebsd*)
449                 MKAFS_OSTYPE=FBSD
450                 AC_MSG_RESULT(i386_fbsd)
451                 ;;
452         x86_64-*-freebsd*)
453                 MKAFS_OSTYPE=FBSD
454                 AC_MSG_RESULT(amd64_fbsd)
455                 ;;
456         *-netbsd*)
457                 MKAFS_OSTYPE=NBSD
458                 AC_MSG_RESULT(nbsd)
459                 ;;
460         x86_64-*-openbsd*)
461                 MKAFS_OSTYPE=OBSD
462                 AC_MSG_RESULT(amd64_obsd)
463                 ;;
464         i386-*-openbsd*)
465                 MKAFS_OSTYPE=OBSD
466                 AC_MSG_RESULT(i386_obsd)
467                 ;;
468         *-dragonfly*)
469                 MKAFS_OSTYPE=DFBSD
470                 AC_MSG_RESULT(i386_dfbsd)
471                 ;;
472         *)
473                 AC_MSG_RESULT($system)
474                 ;;
475 esac
476
477 if test "x$with_afs_sysname" != "x"; then
478         AFS_SYSNAME="$with_afs_sysname"
479 else
480         AC_MSG_CHECKING(your AFS sysname)
481         case $host in
482                 i?86-*-openbsd?.?)
483                         v=${host#*openbsd}
484                         vM=${v%.*}
485                         vm=${v#*.}
486                         AFS_SYSNAME="i386_obsd${vM}${vm}"
487                         ;;
488                 sparc64-*-openbsd?.?)
489                         v=${host#*openbsd}
490                         vM=${v%.*}
491                         vm=${v#*.}
492                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
493                         ;;
494                 x86_64-*-openbsd?.?)
495                         v=${host#*openbsd}
496                         vM=${v%.*}
497                         vm=${v#*.}
498                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
499                         ;;
500                 i?86-*-freebsd*.*)
501                         v=${host#*freebsd}
502                         vM=${v%.*}
503                         vm=${v#*.}
504                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
505                         ;;
506                 x86_64-*-freebsd*.*)
507                         v=${host#*freebsd}
508                         vM=${v%.*}
509                         vm=${v#*.}
510                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
511                         ;;
512                 i386-*-dragonfly?.*)
513                         v=${host#*dragonfly}
514                         vM=${v%.*}
515                         vm=${v#*.}
516                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
517                         ;;
518                 i?86-*-netbsd*1.6[[M-Z]]*)
519                         AFS_SYSNAME="i386_nbsd20"
520                         ;;
521                 powerpc-*-netbsd*1.6[[M-Z]]*)
522                         AFS_SYSNAME="ppc_nbsd20"
523                         ;;
524                 *-*-netbsd*)
525                         arch=${host%%-unknown*}
526                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
527                                                -e 's/powerpc/ppc/g')
528                         v=${host#*netbsd}
529                         v=${v#*aout}
530                         v=${v#*ecoff}
531                         v=${v#*elf}
532                         vM=${v%%.*}
533                         vM=${vM%.*}
534                         v=${v#*.}
535                         vm=${v%%.*}
536                         vm=${vm%.*}
537                         vm=${vm%%[[_A-Z]]*}
538                         if test $vm -eq 99 ; then
539                                 vM=$((vM+1))
540                         fi
541                         if test $vM -gt 1 ; then
542                                 vm=0
543                         fi
544                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
545                         ;;
546                 hppa*-hp-hpux11.0*)
547                         AFS_SYSNAME="hp_ux110"
548                         ;;
549                 hppa*-hp-hpux11.11)
550                         AFS_SYSNAME="hp_ux11i"
551                         ;;
552                 hppa*-hp-hpux11.23)
553                         AFS_SYSNAME="hp_ux1123"
554                         ;;
555                 ia64-hp-hpux11.22)
556                         AFS_SYSNAME="ia64_hpux1122"
557                         ;;
558                 ia64-hp-hpux*)
559                         AFS_SYSNAME="ia64_hpux1123"
560                         ;;
561                 hppa*-hp-hpux10*)
562                         AFS_SYSNAME="hp_ux102"
563                         ;;
564                 powerpc-apple-darwin7*)
565                         AFS_SYSNAME="ppc_darwin_70"
566                         OSXSDK="macosx10.3"
567                         ;;
568                 powerpc-apple-darwin8.*)
569                         AFS_SYSNAME="ppc_darwin_80"
570                         OSXSDK="macosx10.4"
571                         ;;
572                 i386-apple-darwin8.*)
573                         AFS_SYSNAME="x86_darwin_80"
574                         OSXSDK="macosx10.4"
575                         ;;
576                 powerpc-apple-darwin9.*)
577                         AFS_SYSNAME="ppc_darwin_90"
578                         OSXSDK="macosx10.5"
579                         ;;
580                 i386-apple-darwin9.*)
581                         AFS_SYSNAME="x86_darwin_90"
582                         OSXSDK="macosx10.5"
583                         ;;
584                 i?86-apple-darwin10.*)
585                         AFS_SYSNAME="x86_darwin_100"
586                         OSXSDK="macosx10.6"
587                         ;;
588                 x86_64-apple-darwin10.*)
589                         AFS_SYSNAME="x86_darwin_100"
590                         OSXSDK="macosx10.6"
591                         ;;
592                 arm-apple-darwin10.*)
593                         AFS_SYSNAME="arm_darwin_100"
594                         OSXSDK="iphoneos4.0"
595                         ;;
596                 x86_64-apple-darwin11.*)
597                         AFS_SYSNAME="x86_darwin_110"
598                         OSXSDK="macosx10.7"
599                         ;;
600                 i?86-apple-darwin11.*)
601                         AFS_SYSNAME="x86_darwin_110"
602                         OSXSDK="macosx10.7"
603                         ;;
604                 x86_64-apple-darwin12.*)
605                         AFS_SYSNAME="x86_darwin_120"
606                         OSXSDK="macosx10.8"
607                         ;;
608                 i?86-apple-darwin12.*)
609                         AFS_SYSNAME="x86_darwin_120"
610                         OSXSDK="macosx10.8"
611                         ;;
612                 sparc-sun-solaris2.8)
613                         AFS_SYSNAME="sun4x_58"
614                         ;;
615                 sparc-sun-solaris2.9)
616                         AFS_SYSNAME="sun4x_59"
617                         ;;
618                 sparc-sun-solaris2.10)
619                         AFS_SYSNAME="sun4x_510"
620                         ;;
621                 sparc-sun-solaris2.11)
622                         AFS_SYSNAME="sun4x_511"
623                         ;;
624                 i386-pc-solaris2.8)
625                         AFS_SYSNAME="sunx86_58"
626                         ;;
627                 i386-pc-solaris2.9)
628                         AFS_SYSNAME="sunx86_59"
629                         ;;
630                 i386-pc-solaris2.10)
631                         AFS_SYSNAME="sunx86_510"
632                         ;;
633                 i386-pc-solaris2.11)
634                         AFS_SYSNAME="sunx86_511"
635                         ;;
636                 alpha*-dec-osf4.0*)
637                         AFS_SYSNAME="alpha_dux40"
638                         ;;
639                 alpha*-dec-osf5.0*)
640                         AFS_SYSNAME="alpha_dux50"
641                         ;;
642                 alpha*-dec-osf5.1*)
643                         AFS_SYSNAME="alpha_dux51"
644                         ;;
645                 mips-sgi-irix6.5)
646                         AFS_SYSNAME="sgi_65"
647                         ;;
648                 ia64-*-linux*)
649                         AFS_SYSNAME="ia64_linuxXX"
650                         ;;
651                 powerpc-*-linux*)
652                         AFS_SYSNAME="`/bin/arch`_linuxXX"
653                         ;;
654                 powerpc64-*-linux*)
655                         AFS_SYSNAME="ppc64_linuxXX"
656                         ;;
657                 alpha*-linux*)
658                         AFS_SYSNAME="alpha_linux_XX"
659                         ;;
660                 s390-*-linux*)
661                         AFS_SYSNAME="s390_linuxXX"
662                         ;;
663                 s390x-*-linux*)
664                         AFS_SYSNAME="s390x_linuxXX"
665                         ;;
666                 sparc-*-linux*)
667                         AFS_SYSNAME="`/bin/arch`_linuxXX"
668                         ;;
669                 sparc64-*-linux*)
670                         AFS_SYSNAME="sparc64_linuxXX"
671                         ;;
672                 i?86-*-linux*)
673                         AFS_SYSNAME="i386_linuxXX"
674                         ;;
675                 arm*-linux*)
676                         AFS_SYSNAME="arm_linuxXX"
677                         ;;
678                 parisc-*-linux-gnu|hppa-*-linux-gnu)
679                         AFS_SYSNAME="parisc_linuxXX"
680                         enable_pam="no"
681                         ;;
682                 power*-ibm-aix4.2*)
683                         AFS_SYSNAME="rs_aix42"
684                         enable_pam="no"
685                         ;;
686                 power*-ibm-aix4.3*)
687                         AFS_SYSNAME="rs_aix42"
688                         enable_pam="no"
689                         ;;
690                 power*-ibm-aix5.1*)
691                         AFS_SYSNAME="rs_aix51"
692                         enable_pam="no"
693                         ;;
694                 power*-ibm-aix5.2*)
695                         AFS_SYSNAME="rs_aix52"
696                         enable_pam="no"
697                         ;;
698                 power*-ibm-aix5.3*)
699                         AFS_SYSNAME="rs_aix53"
700                         enable_pam="no"
701                         ;;
702                 power*-ibm-aix6.1*)
703                         AFS_SYSNAME="rs_aix61"
704                         enable_pam="no"
705                         ;;
706                 x86_64-*-linux-gnu)
707                         AFS_SYSNAME="amd64_linuxXX"
708                         enable_pam="yes"
709                         ;;
710                 *)
711                         AC_MSG_ERROR(An AFS sysname is required)
712                         exit 1
713                         ;;
714         esac
715         case $AFS_SYSNAME in
716                 *_linux* | *_umlinux*)
717                         if test "x${AFS_SYSKVERS}" = "x"; then
718                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
719                         fi
720                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
721                         AFS_SYSNAME="$_AFS_SYSNAME"
722                         AC_TRY_KBUILD(
723                          [],
724                          [#ifndef CONFIG_USERMODE
725                           #error not UML
726                           #endif],
727                          ac_cv_linux_is_uml=yes,)
728                         if test "${ac_cv_linux_is_uml}" = yes; then
729                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
730                         fi
731                         AFS_SYSNAME="$_AFS_SYSNAME"
732                         ;;
733         esac
734         AC_MSG_RESULT($AFS_SYSNAME)
735 fi
736
737 case $AFS_SYSNAME in
738         *_darwin*)
739                 AC_CHECK_HEADERS(crt_externs.h)
740                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
741                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
742                 AC_SUBST(OSXSDK)
743                 ;;
744 esac
745
746 dnl Some hosts have a separate common param file they should include.  Figure
747 dnl out if we're on one of them now that we know the sysname.
748 case $AFS_SYSNAME in
749     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
750     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
751     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
752     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
753     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
754     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
755     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
756     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
757     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
758     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
759     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
760     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
761     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
762     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
763     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
764     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
765     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
766     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
767     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
768     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
769     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
770     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
771     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
772     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
773     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
774     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
775     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
776     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
777     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
778 # Linux alpha adds an extra underscore for no good reason.
779     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
780     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
781     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
782 esac
783
784 OPENAFS_OSCONF
785
786 case $AFS_SYSNAME in *_linux* | *_umlinux*)
787
788                 # Add (sub-) architecture-specific paths needed by conftests
789                 case $AFS_SYSNAME  in
790                         *_umlinux26)
791                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
792                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
793                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
794                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
795                 esac
796
797                 if test "x$enable_kernel_module" = "xyes"; then
798                  if test "x$enable_debug_kernel" = "xno"; then
799                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
800                  fi
801                  OPENAFS_GCC_SUPPORTS_MARCH
802                  AC_SUBST(P5PLUS_KOPTS)
803                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
804                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
805                  OPENAFS_GCC_SUPPORTS_NO_COMMON
806                  OPENAFS_GCC_SUPPORTS_PIPE
807                  AC_SUBST(LINUX_GCC_KOPTS)
808
809                  dnl Setup the kernel build environment
810                  LINUX_KBUILD_USES_EXTRA_CFLAGS
811                  LINUX_KERNEL_COMPILE_WORKS
812
813                  dnl Check for header files
814                  AC_CHECK_LINUX_HEADER([config.h])
815                  AC_CHECK_LINUX_HEADER([completion.h])
816                  AC_CHECK_LINUX_HEADER([exportfs.h])
817                  AC_CHECK_LINUX_HEADER([freezer.h])
818                  AC_CHECK_LINUX_HEADER([key-type.h])
819                  AC_CHECK_LINUX_HEADER([semaphore.h])
820                  AC_CHECK_LINUX_HEADER([seq_file.h])
821
822                  dnl Type existence checks
823                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
824
825                  dnl Check for structure elements
826                  AC_CHECK_LINUX_STRUCT([address_space_operations],
827                                        [write_begin], [fs.h])
828                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
829                                        [backing-dev.h])
830                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
831                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
832                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
833                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
834                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
835                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
836                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
837                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
838                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
839                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
840                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
841                  AC_CHECK_LINUX_STRUCT([filename], [name], [fs.h])
842                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
843                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
844                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
845                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
846                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
847                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
848                                        [fs.h])
849                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
850                                        [fs.h])
851                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
852                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
853                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
854                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
855                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
856                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
857                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
858                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
859                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
860                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
861                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
862
863                  dnl Check for typed structure elements
864                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
865                                              [buf], [fs.h])
866
867                  dnl Function existence checks
868
869                  AC_CHECK_LINUX_FUNC([bdi_init],
870                                      [#include <linux/backing-dev.h>],
871                                      [bdi_init(NULL);])
872                  AC_CHECK_LINUX_FUNC([PageChecked],
873                                      [#include <linux/mm.h>
874 #include <linux/page-flags.h>],
875                                      [struct page *_page;
876                                       int bchecked = PageChecked(_page);])
877                  AC_CHECK_LINUX_FUNC([PageFsMisc],
878                                      [#include <linux/mm.h>
879 #include <linux/page-flags.h>],
880                                      [struct page *_page;
881                                       int bchecked = PageFsMisc(_page);])
882                  AC_CHECK_LINUX_FUNC([clear_inode],
883                                      [#include <linux/fs.h>],
884                                      [clear_inode(NULL);])
885                  AC_CHECK_LINUX_FUNC([current_kernel_time],
886                                      [#include <linux/time.h>],
887                                      [struct timespec s;
888                                       s = current_kernel_time();])
889                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
890                                      [#include <linux/fs.h>],
891                                      [d_alloc_anon(NULL);])
892                  AC_CHECK_LINUX_FUNC([d_make_root],
893                                      [#include <linux/fs.h>],
894                                      [d_make_root(NULL);])
895                  AC_CHECK_LINUX_FUNC([do_sync_read],
896                                      [#include <linux/fs.h>],
897                                      [do_sync_read(NULL, NULL, 0, NULL);])
898                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
899                                      [#include <linux/sched.h>],
900                                      [pid_t p; find_task_by_pid(p);])
901                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
902                                      [#include <linux/fs.h>],
903                                      [generic_file_aio_read(NULL,NULL,0,0);])
904                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
905                                      [#include <linux/pagemap.h>],
906                                      [grab_cache_page_write_begin(NULL, 0, 0);])
907                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
908                                      [#include <linux/list.h>],
909                                      [hlist_unhashed(0);])
910                  AC_CHECK_LINUX_FUNC([i_size_read],
911                                      [#include <linux/fs.h>],
912                                      [i_size_read(NULL);])
913                  AC_CHECK_LINUX_FUNC([inode_setattr],
914                                      [#include <linux/fs.h>],
915                                      [inode_setattr(NULL, NULL);])
916                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
917                                      [#include <linux/net.h>],
918                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
919                  AC_CHECK_LINUX_FUNC([page_follow_link],
920                                      [#include <linux/fs.h>],
921                                      [page_follow_link(0,0);])
922                  AC_CHECK_LINUX_FUNC([page_offset],
923                                      [#include <linux/pagemap.h>],
924                                      [page_offset(NULL);])
925                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
926                                      [#include <linux/pagevec.h>],
927                                      [__pagevec_lru_add_file(NULL);])
928                  AC_CHECK_LINUX_FUNC([path_lookup],
929                                      [#include <linux/fs.h>
930                                       #include <linux/namei.h>],
931                                      [path_lookup(NULL, 0, NULL);])
932                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
933                                      [#include <linux/rcupdate.h>],
934                                      [rcu_read_lock();])
935                  AC_CHECK_LINUX_FUNC([set_nlink],
936                                      [#include <linux/fs.h>],
937                                      [set_nlink(NULL, 1);])
938                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
939                                      [#include <linux/splice.h>],
940                                      [splice_direct_to_actor(NULL,NULL,NULL);])
941                  AC_CHECK_LINUX_FUNC([svc_addr_in],
942                                      [#include <linux/sunrpc/svc.h>],
943                                      [svc_addr_in(NULL);])
944                  AC_CHECK_LINUX_FUNC([zero_user_segments],
945                                      [#include <linux/highmem.h>],
946                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
947                  AC_CHECK_LINUX_FUNC([noop_fsync],
948                                      [#include <linux/fs.h>],
949                                      [void *address = &noop_fsync; printk("%p\n", address)];)
950                  AC_CHECK_LINUX_FUNC([kthread_run],
951                                      [#include <linux/kernel.h>
952                                       #include <linux/kthread.h>],
953                                      [kthread_run(NULL, NULL, "test");])
954
955                  dnl Consequences - things which get set as a result of the
956                  dnl                above tests
957                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
958                        [AC_DEFINE([AFS_NONFSTRANS], 1,
959                                   [define to disable the nfs translator])])
960
961                  dnl Assorted more complex tests
962                  LINUX_AIO_NONVECTOR
963                  LINUX_EXPORTS_PROC_ROOT_FS
964                  LINUX_KMEM_CACHE_INIT
965                  LINUX_HAVE_KMEM_CACHE_T
966                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
967                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
968                  LINUX_D_PATH_TAKES_STRUCT_PATH
969                  LINUX_NEW_EXPORT_OPS
970                  LINUX_INODE_SETATTR_RETURN_TYPE
971                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
972                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
973                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
974                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
975                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
976                  LINUX_DOP_D_DELETE_TAKES_CONST
977                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
978                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
979                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
980                  LINUX_FOP_F_FSYNC_TAKES_RANGE
981                  LINUX_AOP_WRITEBACK_CONTROL
982                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
983                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
984                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
985                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
986                  LINUX_KERNEL_SOCK_CREATE
987                  LINUX_EXPORTS_KEY_TYPE_KEYRING
988                  LINUX_NEED_RHCONFIG
989                  LINUX_RECALC_SIGPENDING_ARG_TYPE
990                  LINUX_EXPORTS_TASKLIST_LOCK
991                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
992                  LINUX_STATFS_TAKES_DENTRY
993                  LINUX_REFRIGERATOR
994                  LINUX_HAVE_TRY_TO_FREEZE
995                  LINUX_LINUX_KEYRING_SUPPORT
996                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
997                  LINUX_KEY_ALLOC_NEEDS_CRED
998                  LINUX_INIT_WORK_HAS_DATA
999                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1000                  LINUX_HAVE_DCACHE_LOCK
1001                  LINUX_D_COUNT_IS_INT
1002                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1003                  LINUX_IOP_CREATE_TAKES_UMODE_T
1004                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1005                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1006                  LINUX_DENTRY_OPEN_TAKES_PATH
1007                  LINUX_D_ALIAS_IS_HLIST
1008                  LINUX_IOP_I_CREATE_TAKES_BOOL
1009                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1010                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1011
1012                  dnl If we are guaranteed that keyrings will work - that is
1013                  dnl  a) The kernel has keyrings enabled
1014                  dnl  b) The code is new enough to give us a key_type_keyring
1015                  dnl then we just disable syscall probing unless we've been
1016                  dnl told otherwise
1017
1018                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1019                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1020                           [enable_linux_syscall_probing="no"],
1021                           [enable_linux_syscall_probing="yes"])
1022                  ])
1023
1024                  dnl Syscall probing needs a few tests of its own, and just
1025                  dnl won't work if the kernel doesn't export init_mm
1026                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1027                    LINUX_EXPORTS_INIT_MM
1028                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1029                      AC_MSG_ERROR(
1030                        [Can't do syscall probing without exported init_mm])
1031                    ])
1032                    LINUX_EXPORTS_SYS_CHDIR
1033                    LINUX_EXPORTS_SYS_OPEN
1034                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1035                              [define to enable syscall table probes])
1036                  ])
1037
1038                  dnl Packaging and SMP build
1039                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1040                    LINUX_WHICH_MODULES
1041                  else
1042                    AC_SUBST(MPS,'SP')
1043                  fi
1044
1045                  dnl Syscall probing
1046                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1047                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1048                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1049                    ])
1050                    ac_cv_linux_exports_sys_call_table=no
1051                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1052                      ac_cv_linux_exports_ia32_sys_call_table=yes
1053                    fi
1054                  else
1055                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1056                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1057                    LINUX_EXPORTS_SYS_CALL_TABLE
1058                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1059                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1060                          linux_syscall_method=none
1061                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1062                             linux_syscall_method=scan
1063                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1064                                linux_syscall_method=scan_with_kallsyms_address
1065                             fi
1066                          fi
1067                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1068                             linux_syscall_method=kallsyms_symbol
1069                          fi
1070                          if test "x$linux_syscall_method" = "xnone"; then
1071                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1072                             linux_syscall_method=scan
1073                          fi
1074                    fi
1075                  fi
1076                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1077                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1078                  fi
1079                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1080                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1081                  fi
1082                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1083                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1084                  else
1085                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1086                  fi
1087                 :
1088                 fi
1089 dnl Linux-only, but just enable always.
1090                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1091 esac
1092
1093 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1094     [ac_cv_sync_fetch_and_add],
1095     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1096                     [ac_cv_sync_fetch_and_add=yes],
1097                     [ac_cv_sync_fetch_and_add=no])
1098 ])
1099 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1100       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1101                 [define if your C compiler has __sync_add_and_fetch])])
1102
1103 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1104     [ac_cv_sockaddr_len],
1105     [AC_TRY_COMPILE( [#include <sys/types.h>
1106 #include <sys/socket.h>],
1107                      [struct sockaddr *a; a->sa_len=0;],
1108                      [ac_cv_sockaddr_len=yes],
1109                      [ac_cv_sockaddr_len=no])
1110 ])
1111 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1112       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1113                  [define if you struct sockaddr sa_len])])
1114
1115 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1116         echo Skipping library tests because they confuse Irix.
1117 else
1118   AC_SEARCH_LIBS([socket], [socket inet])
1119   AC_SEARCH_LIBS([connect], [nsl])
1120   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1121
1122   dnl darwin wants it, aix hates it
1123   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1124   AC_TRY_COMPILE([
1125   #include <stdlib.h>
1126   #include <stdio.h>
1127   #include <sys/types.h>
1128   #include <sys/socket.h>
1129   #include <netinet/in.h>
1130   #include <arpa/inet.h>
1131   #include <arpa/nameser.h>
1132   #include <arpa/nameser_compat.h>
1133   #include <resolv.h>
1134   ], [static int i; i = 0;],
1135   [AC_MSG_RESULT(yes)
1136    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1137   [AC_MSG_RESULT(no)
1138    ])
1139
1140   openafs_save_libs="$LIBS"
1141   AC_MSG_CHECKING([for res_search])
1142   AC_FUNC_RES_SEARCH
1143
1144   if test "$ac_cv_func_res_search" = no; then
1145       for lib in dns nsl resolv; do
1146         if test "$ac_cv_func_res_search" != yes; then
1147           LIBS="-l$lib $LIBS"
1148           AC_FUNC_RES_SEARCH
1149           LIBS="$openafs_save_libs"
1150         fi
1151       done    
1152       if test "$ac_cv_func_res_search" = yes; then
1153         LIB_AFSDB="-l$lib"
1154         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1155         AC_MSG_RESULT([yes, in lib$lib])
1156       else
1157         AC_MSG_RESULT(no)
1158       fi
1159   else
1160     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1161     AC_MSG_RESULT(yes)
1162   fi
1163   
1164 fi
1165 XLIBS="$LIB_AFSDB $XLIBS"
1166
1167 AC_CHECK_RESOLV_RETRANS
1168
1169 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1170     [ac_cv_setsockopt_iprecverr],
1171     [AC_TRY_COMPILE( [
1172 #include <sys/types.h>
1173 #include <sys/socket.h>
1174 #include <netinet/in.h>],
1175 [int on=1;
1176 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1177         [ac_cv_setsockopt_iprecverr=yes],
1178         [ac_cv_setsockopt_iprecverr=no])])
1179
1180 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1181       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1182                  [define if we can receive socket errors via IP_RECVERR])])
1183
1184 PTHREAD_LIBS=error
1185 if test "x$MKAFS_OSTYPE" = OBSD; then
1186         PTHREAD_LIBS="-pthread"
1187 fi
1188 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1189         PTHREAD_LIBS="-pthread"
1190 fi
1191 if test "x$PTHREAD_LIBS" = xerror; then
1192         AC_CHECK_LIB(pthread, pthread_attr_init,
1193                 PTHREAD_LIBS="-lpthread")
1194 fi
1195 if test "x$PTHREAD_LIBS" = xerror; then
1196         AC_CHECK_LIB(pthreads, pthread_attr_init,
1197                 PTHREAD_LIBS="-lpthreads")
1198 fi
1199 if test "x$PTHREAD_LIBS" = xerror; then
1200         AC_CHECK_LIB(c_r, pthread_attr_init,
1201                 PTHREAD_LIBS="-lc_r")
1202 fi
1203 if test "x$PTHREAD_LIBS" = xerror; then
1204         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1205 fi
1206 if test "x$PTHREAD_LIBS" = xerror; then
1207         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1208         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1209                 PTHREAD_LIBS="-lpthread")
1210 fi
1211 if test "x$PTHREAD_LIBS" = xerror; then
1212         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1213 fi
1214 AC_SUBST(PTHREAD_LIBS)
1215
1216 HOST_CPU="$host_cpu"
1217
1218 if test "x$with_bsd_kernel_headers" != "x"; then
1219         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1220 else
1221         BSD_KERNEL_PATH="/usr/src/sys"
1222 fi
1223
1224 if test "x$with_bsd_kernel_build" != "x"; then
1225         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1226 else
1227         case $AFS_SYSNAME in
1228                 *_fbsd_*)
1229                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1230                         ;;
1231                 *_nbsd*)
1232                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1233         esac
1234 fi
1235
1236 # Fast restart
1237 if test "$enable_supergroups" = "yes"; then
1238         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1239 fi
1240
1241 if test "$enable_bitmap_later" = "yes"; then
1242         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1243 fi
1244
1245 if test "$enable_unix_sockets" = "yes"; then
1246         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1247         USE_UNIX_SOCKETS="yes"
1248 else
1249         USE_UNIX_SOCKETS="no"
1250 fi
1251 AC_SUBST(USE_UNIX_SOCKETS)
1252
1253 if test "$enable_namei_fileserver" = "yes"; then
1254         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1255         VFSCK=""
1256 else
1257         if test "$enable_namei_fileserver" = "default"; then
1258                 case $host in
1259                         *-solaris2.10*)
1260                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1261                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1262                                 VFSCK=""
1263                                 ;;
1264                         *-solaris2.11*)
1265                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1266                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1267                                 VFSCK=""
1268                                 ;;
1269                         *)
1270                                 VFSCK="vfsck"
1271                                 ;;
1272                 esac
1273         else
1274                 VFSCK="vfsck"
1275         fi
1276 fi
1277
1278 dnl check for tivoli
1279 AC_MSG_CHECKING(for tivoli tsm butc support)
1280 XBSA_CFLAGS=""
1281 if test "$enable_tivoli_tsm" = "yes"; then
1282         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1283         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1284         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1285         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1286
1287         if test -r "$XBSADIR3/dsmapifp.h"; then
1288                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1289                 XBSA_XLIBS="-ldl"
1290                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1291         elif test -r "$XBSADIR4/dsmapifp.h"; then
1292                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1293                 XBSA_XLIBS="-ldl"
1294                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1295         elif test -r "$XBSADIR1/xbsa.h"; then
1296                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1297                 XBSA_XLIBS=""
1298                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1299         elif test -r "$XBSADIR2/xbsa.h"; then
1300                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1301                 XBSA_XLIBS=""
1302                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1303         else
1304                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1305         fi
1306 else
1307         AC_MSG_RESULT([no])
1308 fi
1309 AC_SUBST(XBSA_CFLAGS)
1310 AC_SUBST(XBSA_XLIBS) 
1311
1312 dnl checks for header files.
1313 AC_HEADER_STDC
1314 AC_HEADER_SYS_WAIT
1315 AC_HEADER_DIRENT
1316 AC_CHECK_HEADERS([ \
1317                    arpa/inet.h \
1318                    arpa/nameser.h \
1319                    curses.h\
1320                    direct.h \
1321                    et/com_err.h \
1322                    errno.h \
1323                    fcntl.h \
1324                    grp.h \
1325                    math.h \
1326                    mntent.h \
1327                    ncurses.h \
1328                    ncurses/ncurses.h \
1329                    netdb.h \
1330                    netinet/in.h \
1331                    pthread_np.h \
1332                    pwd.h \
1333                    regex.h \
1334                    security/pam_appl.h \
1335                    signal.h \
1336                    stdint.h \
1337                    stdio_ext.h \
1338                    stdlib.h \
1339                    string.h \
1340                    strings.h \
1341                    sys/bitypes.h \
1342                    sys/bswap.h \
1343                    sys/dk.h \
1344                    sys/fcntl.h \
1345                    sys/file.h \
1346                    sys/fs_types.h \
1347                    sys/fstyp.h \
1348                    sys/ioctl.h \
1349                    sys/ipc.h \
1350                    sys/lockf.h \
1351                    sys/map.h \
1352                    sys/mount.h \
1353                    sys/mntent.h \
1354                    sys/mnttab.h \
1355                    sys/pag.h \
1356                    sys/param.h \
1357                    sys/resource.h \
1358                    sys/select.h \
1359                    sys/statfs.h \
1360                    sys/statvfs.h \
1361                    sys/socket.h \
1362                    sys/sysctl.h \
1363                    sys/time.h \
1364                    sys/types.h \
1365                    sys/uio.h \
1366                    sys/un.h \
1367                    sys/vfs.h \
1368                    syslog.h \
1369                    termios.h \
1370                    time.h \
1371                    ucontext.h \
1372                    unistd.h \
1373                    windows.h \
1374                 ])
1375
1376 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1377 #ifdef HAVE_NETINET_IN_H
1378 # include <netinet/in.h>
1379 #endif])
1380
1381 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1382 #ifdef HAVE_SYS_SOCKET_H
1383 # include <sys/socket.h>
1384 #endif])
1385
1386 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1387 #ifdef HAVE_SYS_SOCKET_H
1388 # include <sys/socket.h>
1389 #endif
1390 #ifdef HAVE_NETINET_IN_H
1391 # include <netinet/in.h>
1392 #endif
1393 #ifdef HAVE_NET_IF_H
1394 # include <net/if.h>
1395 #endif])
1396
1397 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1398 #ifdef HAVE_SECURITY_PAM_APPL_H
1399 # include <security/pam_appl.h>
1400 #endif])
1401
1402 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1403
1404 AC_CHECK_TYPES([fsblkcnt_t],,,[
1405 #include <sys/types.h>
1406 #ifdef HAVE_SYS_BITYPES_H
1407 #include <sys/bitypes.h>
1408 #endif
1409 #ifdef HAVE_SYS_STATFS_H
1410 #include <sys/statfs.h>
1411 #endif
1412 #ifdef HAVE_SYS_STATVFS_H
1413 #include <sys/statvfs.h>
1414 #endif
1415 ])
1416
1417 dnl see what struct stat has for timestamps
1418 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1419
1420 dnl check for curses-lib
1421 AS_IF([test "x$enable_gtx" != "xno"],
1422       [save_LIBS=$LIBS
1423       AC_CHECK_LIB( [ncurses], [setupterm],
1424       [LIB_curses=-lncurses],
1425         [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1426           [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
1427       ])
1428       LIBS=$save_LIBS
1429       AC_SUBST(LIB_curses)])
1430         
1431 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1432
1433 if test "$enable_debug_locks" = yes; then
1434         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1435 fi
1436
1437 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1438 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1439         case $AFS_SYSNAME in
1440         sgi_*)
1441                 HAVE_PAM="no"
1442                 ;;
1443         *)
1444                 HAVE_PAM="yes"
1445                 ;;
1446         esac
1447 else
1448         HAVE_PAM="no"
1449 fi
1450 AC_SUBST(HAVE_PAM)
1451
1452 if test "$enable_login" = yes; then
1453         BUILD_LOGIN="yes"
1454 else
1455         BUILD_LOGIN="no"
1456 fi
1457 AC_SUBST(BUILD_LOGIN)
1458
1459 if test "$enable_uss" = yes; then
1460         BUILD_USS="yes"
1461 else
1462         BUILD_USS="no"
1463 fi
1464 AC_SUBST(BUILD_USS)
1465
1466 if test "$enable_kauth" = yes; then
1467         INSTALL_KAUTH="yes"
1468 else
1469         INSTALL_KAUTH="no"
1470 fi
1471 AC_SUBST(INSTALL_KAUTH)
1472
1473 AC_CHECK_FUNCS([ \
1474         arc4random \
1475         fcntl \
1476         fseeko64 \
1477         ftello64 \
1478         getcwd \
1479         getegid \
1480         geteuid \
1481         getgid \
1482         getuid \
1483         getrlimit \
1484         issetugid \
1485         mkstemp \
1486         poll \
1487         pread \
1488         preadv \
1489         preadv64 \
1490         pwrite \
1491         pwritev \
1492         pwritev64 \
1493         regcomp \
1494         regerror \
1495         regexec \
1496         setitimer \
1497         setvbuf \
1498         sigaction \
1499         strcasestr \
1500         strerror \
1501         sysconf \
1502         sysctl \
1503         tdestroy \
1504         timegm \
1505 ])
1506
1507 OPENAFS_ROKEN()
1508 OPENAFS_C_ATTRIBUTE()
1509
1510 dnl Functions that Heimdal's libroken provides, but that we
1511 dnl haven't found a need for yet, and so haven't imported
1512 AC_CHECK_FUNCS([ \
1513         chown \
1514         fchown \
1515         gethostname \
1516         lstat \
1517         inet_aton \
1518         inet_ntop \
1519         inet_pton \
1520         putenv \
1521         readv \
1522         setenv \
1523         strdup \
1524         strftime \
1525         strndup \
1526         strsep \
1527         unsetenv \
1528 ])
1529
1530 dnl Functions that are in objects that we always build from libroken
1531 AC_CHECK_FUNCS([ \
1532         asprintf \
1533         asnprintf \
1534         vasprintf \
1535         vasnprintf \
1536         vsnprintf \
1537         snprintf \
1538 ])
1539
1540 dnl Functions that we're going to try and get from libroken
1541 AC_REPLACE_FUNCS([ \
1542         daemon \
1543         ecalloc \
1544         emalloc \
1545         erealloc \
1546         err \
1547         errx \
1548         flock \
1549         getdtablesize \
1550         getopt \
1551         getprogname \
1552         gettimeofday \
1553         localtime_r \
1554         mkstemp \
1555         setenv \
1556         setprogname \
1557         strcasecmp \
1558         strlcat \
1559         strnlen \
1560         strlcpy \
1561         strsep \
1562         tdelete \
1563         tfind \
1564         tsearch \
1565         twalk \
1566         unsetenv \
1567         verr \
1568         verrx \
1569         vsyslog \
1570         vwarn \
1571         vwarnx \
1572         warn \
1573         warnx \
1574 ])
1575
1576 dnl Headers that we're going to try and get from libroken
1577 AC_CHECK_HEADERS([ \
1578         err.h \
1579         search.h \
1580 ])
1581
1582 AC_CHECK_DECLS([h_errno], [], [], [
1583 #include <sys/types.h>
1584 #ifdef HAVE_NETDB_H
1585 #include <netdb.h>
1586 #endif
1587 ])
1588
1589 AC_HEADER_TIME
1590
1591 ROKEN_HEADERS=
1592 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1593       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1594       [])
1595 AC_SUBST(ROKEN_HEADERS)
1596
1597 dnl Stuff that's harder ...
1598 AC_MSG_CHECKING([for bswap16])
1599 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1600 #ifdef HAVE_SYS_TYPES_H
1601 #include <sys/types.h>
1602 #endif
1603 #ifdef HAVE_SYS_BSWAP_H
1604 #include <sys/bswap.h>
1605 #endif
1606 ],
1607 [short a, b; b = bswap16(a); ])],
1608 [AC_MSG_RESULT(yes)
1609  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1610 ],
1611 [AC_MSG_RESULT(no)])
1612
1613 AC_MSG_CHECKING([for bswap32])
1614 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1615 #include <sys/types.h>
1616 #endif
1617 #ifdef HAVE_SYS_BSWAP_H
1618 #include <sys/bswap.h>
1619 #endif
1620 ],
1621 [int a, b; b = bswap32(a); ])],
1622 [AC_MSG_RESULT(yes)
1623  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1624 ],
1625 [AC_MSG_RESULT(no)])
1626
1627 case $AFS_SYSNAME in
1628 *hp_ux* | *hpux*)
1629    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1630    ;;
1631 *)
1632    AC_MSG_CHECKING([for positional I/O])
1633    if test "$ac_cv_func_pread" = "yes" && \
1634            test "$ac_cv_func_pwrite" = "yes"; then
1635       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1636       AC_MSG_RESULT(yes)
1637    else
1638      AC_MSG_RESULT(no)
1639    fi
1640    AC_MSG_CHECKING([for vectored positional I/O])
1641    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1642                "$ac_cv_func_pwritev" = "yes" -a \
1643                "$ac_cv_func_preadv64" = "yes" -a \
1644                "$ac_cv_func_pwritev64" = "yes"],
1645          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1646           AC_MSG_RESULT(yes)],
1647          [AC_MSG_RESULT(no)])
1648    ;;
1649 esac
1650
1651 AC_MSG_CHECKING([for POSIX regex library])
1652 if test "$ac_cv_header_regex_h" = "yes" && \
1653         test "$ac_cv_func_regcomp" = "yes" && \
1654         test "$ac_cv_func_regexec" = "yes" && \
1655         test "$ac_cv_func_regerror" = "yes"; then
1656     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1657     AC_MSG_RESULT(yes)
1658 else
1659     AC_MSG_RESULT(no)
1660 fi
1661
1662 dnl Look for "non-portable" pthreads functions.
1663 save_LIBS="$LIBS"
1664 LIBS="$LIBS $PTHREAD_LIBS"
1665 AC_CHECK_FUNCS([ \
1666         pthread_set_name_np \
1667         pthread_setname_np \
1668 ])
1669
1670 dnl Sadly, there are three different versions of pthread_setname_np.
1671 dnl Try to cater for all of them.
1672 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1673     AC_MSG_CHECKING([for signature of pthread_setname_np])
1674     AC_TRY_COMPILE([
1675 #include <pthread.h>
1676 #ifdef HAVE_PTHREAD_NP_H
1677 #include <pthread_np.h>
1678 #endif
1679 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1680         AC_MSG_RESULT([three arguments])
1681         pthread_setname_np_args=3], [
1682         AC_TRY_COMPILE([
1683 #include <pthread.h>
1684 #ifdef HAVE_PTHREAD_NP_H
1685 #include <pthread_np.h>
1686 #endif
1687 ], [pthread_setname_np(pthread_self(), "test")], [
1688             AC_MSG_RESULT([two arguments])
1689             pthread_setname_np_args=2], [
1690             AC_TRY_COMPILE([
1691 #include <pthread.h>
1692 #ifdef HAVE_PTHREAD_NP_H
1693 #include <pthread_np.h>
1694 #endif
1695 ], [pthread_setname_np("test")], [
1696                 AC_MSG_RESULT([one argument])
1697                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1698 ])
1699 ])
1700 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1701 fi
1702 LIBS="$save_LIBS"
1703
1704 openafs_cv_saved_CFLAGS="$CFLAGS"
1705 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1706
1707 AC_TYPE_SIGNAL
1708 OPENAFS_RETSIGTYPE
1709 AC_CHECK_SIZEOF(void *)
1710 AC_CHECK_SIZEOF(unsigned long long)
1711 AC_CHECK_SIZEOF(unsigned long)
1712 AC_CHECK_SIZEOF(unsigned int)
1713 AC_TYPE_INTPTR_T
1714 AC_TYPE_UINTPTR_T
1715 AC_TYPE_SSIZE_T
1716 AC_CHECK_TYPE([sig_atomic_t],[],
1717     [AC_DEFINE([sig_atomic_t], [int],
1718         [Define to int if <signal.h> does not define.])],
1719 [#include <sys/types.h>
1720 #include <signal.h>])
1721 AC_CHECK_TYPE([socklen_t],[],
1722     [AC_DEFINE([socklen_t], [int],
1723         [Define to int if <sys/socket.h> does not define.])],
1724 [#include <sys/types.h>
1725 #include <sys/socket.h>])
1726 AC_CHECK_TYPES(off64_t)
1727 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1728 AC_CHECK_TYPES([struct winsize], [], [], [
1729 #ifdef HAVE_TERMIOS_H
1730 # include <termios.h>
1731 #else
1732 # include <sys/termios.h>
1733 #endif
1734 #include <sys/ioctl.h>])
1735 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1736                 struct sockaddr_storage],
1737                [], [], [
1738 #include <sys/types.h>
1739 #include <sys/socket.h>
1740 ])
1741 AC_CHECK_TYPES([sa_family_t], [], [], [
1742 #include <sys/types.h>
1743 #include <sys/socket.h>
1744 ])
1745 AC_CHECK_TYPES([struct addrinfo], [], [], [
1746 #include <sys/types.h>
1747 #ifdef HAVE_NETDB_H
1748 #include <netdb.h>
1749 #endif
1750 ])
1751 AC_CHECK_TYPES([long long], [], [], [])
1752
1753 AC_SIZEOF_TYPE(long)
1754
1755 CFLAGS="$openafs_cv_saved_CFLAGS"
1756
1757 RRA_HEADER_PAM_CONST
1758
1759
1760 dnl Directory PATH handling
1761 if test "x$enable_transarc_paths" = "xyes"  ; then 
1762     afsconfdir=${afsconfdir=/usr/afs/etc}
1763     viceetcdir=${viceetcdir=/usr/vice/etc}
1764     afskerneldir=${afskerneldir=${viceetcdir}}
1765     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1766     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1767     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1768     afsdbdir=${afsdbdir=/usr/afs/db}
1769     afslogsdir=${afslogsdir=/usr/afs/logs}
1770     afslocaldir=${afslocaldir=/usr/afs/local}
1771     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1772     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1773     afsdatadir=${afsdatadir=/usr/vice/etc}
1774 else 
1775     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1776     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1777     afskerneldir=${afskerneldir='${libdir}/openafs'}
1778     afssrvbindir=${afssrvbindir='${bindir}'}
1779     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1780     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1781     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1782     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1783     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1784     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1785     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1786     afsdatadir=${afsdatadir='${datadir}/openafs'}
1787 fi
1788 AC_SUBST(afsconfdir)
1789 AC_SUBST(viceetcdir)
1790 AC_SUBST(afskerneldir)
1791 AC_SUBST(afssrvbindir)
1792 AC_SUBST(afssrvsbindir)
1793 AC_SUBST(afssrvlibexecdir)
1794 AC_SUBST(afsdbdir)
1795 AC_SUBST(afslogsdir)
1796 AC_SUBST(afslocaldir)
1797 AC_SUBST(afsbackupdir)
1798 AC_SUBST(afsbosconfigdir)
1799 AC_SUBST(afsdatadir)
1800
1801 if test "x$enable_kernel_module" = "xyes"; then
1802 ENABLE_KERNEL_MODULE=libafs
1803 fi
1804
1805 if test "x$enable_pthreaded_ubik" = "xyes"; then
1806 ENABLE_PTHREADED_UBIK=yes
1807 fi
1808
1809 AC_SUBST(VFSCK)
1810 AC_SUBST(AFS_SYSNAME)
1811 AC_SUBST(AFS_PARAM_COMMON)
1812 AC_SUBST(ENABLE_KERNEL_MODULE)
1813 AC_SUBST(ENABLE_PTHREADED_UBIK)
1814 AC_SUBST(LIB_AFSDB)
1815 AC_SUBST(LINUX_KERNEL_PATH)
1816 AC_SUBST(LINUX_KERNEL_BUILD)
1817 AC_SUBST(HOST_CPU)
1818 AC_SUBST(BSD_KERNEL_PATH)
1819 AC_SUBST(BSD_KERNEL_BUILD)
1820 AC_SUBST(LINUX_VERSION)
1821 AC_SUBST(MKAFS_OSTYPE)
1822 AC_SUBST(TOP_OBJDIR)
1823 AC_SUBST(TOP_SRCDIR)
1824 AC_SUBST(TOP_INCDIR)
1825 AC_SUBST(TOP_LIBDIR)
1826 AC_SUBST(DEST)
1827 AC_SUBST(DARWIN_INFOFILE)
1828 AC_SUBST(IRIX_BUILD_IP35)
1829 AC_SUBST(HTML_XSL)
1830 AC_SUBST(XSLTPROC)
1831 AC_SUBST(DOCBOOK2PDF)
1832 AC_SUBST(DOCBOOK_STYLESHEETS)
1833
1834 OPENAFS_FUSE
1835 OPENAFS_SWIG
1836
1837 TOP_SRCDIR="${srcdir}/src"
1838 dnl
1839 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1840 dnl
1841 case $TOP_SRCDIR in
1842         /*)
1843                 ;;
1844         *)
1845                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1846                 ;;
1847 esac
1848
1849 TOP_OBJDIR="${SRCDIR_PARENT}"
1850 TOP_INCDIR="${SRCDIR_PARENT}/include"
1851 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1852 if test "${DEST}x" = "x"; then
1853         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1854 fi
1855
1856 if test "x$with_crosstools_dir" != "x"; then
1857         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
1858                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
1859                 CONFIGTOOL_PATH=$with_crosstools_dir/config
1860                 RXGEN_PATH=$with_crosstools_dir/rxgen
1861         else
1862                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
1863                 exit 1
1864         fi
1865 else
1866         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
1867         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
1868         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
1869 fi
1870 AC_SUBST(COMPILE_ET_PATH)
1871 AC_SUBST(CONFIGTOOL_PATH)
1872 AC_SUBST(RXGEN_PATH)
1873
1874 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1875 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1876 AC_SUBST(HELPER_SPLINT)
1877 AC_SUBST(HELPER_SPLINTCFG)
1878
1879 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1880
1881 dnl Check to see if crypt lives in a different library
1882 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1883 AC_SUBST(LIB_crypt)
1884
1885 dnl Check to see if the compiler support labels in structs
1886 AC_MSG_CHECKING(for label support in structs)
1887 AC_TRY_COMPILE([], [
1888 extern void osi_UFSOpen(void);
1889 struct labeltest {
1890    void (*open) (void);
1891 };
1892 struct labeltest struct_labeltest = {
1893    .open       = osi_UFSOpen,
1894 }
1895 ],
1896 [AC_MSG_RESULT(yes)
1897  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1898 ],
1899 [AC_MSG_RESULT(no)
1900 ])
1901
1902 AC_MSG_CHECKING([checking for dirfd])
1903 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1904 #ifdef HAVE_DIRENT_H
1905 #include <dirent.h>
1906 #endif
1907 ]],
1908         [[DIR *d = 0; dirfd(d);]])],
1909         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1910 if test "$ac_rk_have_dirfd" = "yes" ; then
1911         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1912 fi
1913 AC_MSG_RESULT($ac_rk_have_dirfd)
1914
1915 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1916 #ifdef HAVE_DIRENT_H
1917 #include <dirent.h>
1918 #endif])
1919
1920 dnl Eventually, this will look for the system one, or for OpenSSL
1921 LIB_hcrypto="-lafshcrypto"
1922 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1923 AC_SUBST(LIB_hcrypto)
1924 AC_SUBST(LDFLAGS_hcrypto)
1925
1926 dnl Check for UUID library
1927 AC_CHECK_HEADERS([uuid/uuid.h])
1928 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
1929 AC_CHECK_FUNCS([uuid_generate])
1930 ])
1931
1932
1933 AC_DEFUN([SUMMARY], [
1934     # Print a configuration summary
1935 echo 
1936 echo "**************************************"
1937 echo configure summary
1938 echo
1939 AS_IF([test $LIB_curses],[
1940 echo "LIB_curses :                $LIB_curses" ],[
1941 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1942 ])
1943 echo 
1944 echo "**************************************"
1945 ])