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 #undef HAVE_ARPA_NAMESER_COMPAT_H
  63 /* glue for RedHat kernel bug */
  64 #undef ENABLE_REDHAT_BUILDSYS
  65 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  66 #include "redhat-fix.h"
  67 #endif])
  68
  69 AC_CANONICAL_HOST
  70 SRCDIR_PARENT=`pwd`
  71
  72 #BOZO_SAVE_CORES pam
  73
  74 dnl System identity.
  75 AC_ARG_WITH([afs-sysname],
  76     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  77
  78 dnl General feature options.
  79 AC_ARG_ENABLE([pam],
  80     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
  81     ,
  82     [enable_pam="yes"])
  83 AC_ARG_ENABLE([namei-fileserver],
  84     [AS_HELP_STRING([--enable-namei-fileserver],
  85         [force compilation of namei fileserver in preference to inode
  86          fileserver])],
  87     ,
  88     [enable_namei_fileserver="default"])
  89 AC_ARG_ENABLE([cache-bypass],
  90     [AS_HELP_STRING([--enable-cache-bypass],
  91         [enable client support for cache bypass])],
  92     ,
  93     [enable_cache_bypass="no"])
  94 AC_ARG_ENABLE([supergroups],
  95     [AS_HELP_STRING([--enable-supergroups],
  96         [enable support for nested pts groups])],
  97     ,
  98     [enable_supergroups="no"])
  99 AC_ARG_ENABLE([fast-restart],
 100     [AS_HELP_STRING([--enable-fast-restart],
 101         [enable fast startup of file server without salvaging])],
 102     ,
 103     [enable_fast_restart="no"])
 104 AC_ARG_ENABLE([bitmap-later],
 105     [AS_HELP_STRING([--enable-bitmap-later],
 106         [enable fast startup of file server by not reading bitmap till
 107          needed])],
 108     ,
 109     [enable_bitmap_later="no"])
 110 AC_ARG_ENABLE([demand-attach-fs],
 111     [AS_HELP_STRING([--enable-demand-attach-fs],
 112         [enable Demand Attach Fileserver (please see documentation)])],
 113     ,
 114     [enable_demand_attach_fs="no"])
 115 AC_ARG_ENABLE([disconnected],
 116     [AS_HELP_STRING([--enable-disconnected],
 117         [enable disconnected support in cache manager (experimental)])],
 118     ,
 119     [enable_disconnected="no"])
 120 AC_ARG_ENABLE([unix-sockets],
 121     [AS_HELP_STRING([--enable-unix-sockets],
 122         [enable use of unix domain sockets for fssync])],
 123     ,
 124     [enable_unix_sockets="yes"])
 125 AC_ARG_ENABLE([icmp-pmtu-discovery],
 126     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 127         [enable path MTU discovery by decoding ICMP unreachable replies])],
 128     ,
 129     [enable_icmp_pmtu_discovery="no"])
 130 AC_ARG_ENABLE([tivoli-tsm],
 131     [AS_HELP_STRING([--enable-tivoli-tsm],
 132         [enable use of the Tivoli TSM API libraries for butc support])],
 133     ,
 134     [enable_tivoli_tsm="no"])
 135 AC_ARG_ENABLE([pthreaded-ubik],
 136     [AS_HELP_STRING([--enable-pthreaded-ubik],
 137         [enable installation of pthreaded ubik applications (defaults to
 138          disabled)])],
 139     ,
 140     [enable_pthreaded_ubik="no"])
 141
 142 dnl Kernel module build options.
 143 AC_ARG_WITH([dux-kernel-headers],
 144     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 145         [use the kernel headers found at path (optional, defaults to first
 146          match in /usr/sys)])])
 147 AC_ARG_WITH([linux-kernel-headers],
 148     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 149         [use the kernel headers found at path (optional, defaults to
 150          /usr/src/linux-2.4, then /usr/src/linux)])])
 151 AC_ARG_WITH([linux-kernel-build],
 152     [AS_HELP_STRING([--with-linux-kernel-build=path],
 153         [use the kernel build found at path(optional, defaults to
 154         /usr/src/linux-2.4, then /usr/src/linux)])])
 155 AC_ARG_WITH([bsd-kernel-headers],
 156     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 157         [use the kernel headers found at path (optional, defaults to
 158          /usr/src/sys)])])
 159 AC_ARG_WITH([bsd-kernel-build],
 160     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 161         [use the kernel build found at path (optional, defaults to
 162          KSRC/i386/compile/GENERIC)])])
 163 AC_ARG_WITH([linux-kernel-packaging],
 164     [AS_HELP_STRING([--with-linux-kernel-packaging],
 165         [use standard naming conventions to aid Linux kernel build packaging
 166          (disables MPS, sets the kernel module name to openafs.ko, and
 167          installs kernel modules into the standard Linux location)])],
 168     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 169      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 170     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 171 AC_ARG_ENABLE([kernel-module],
 172     [AS_HELP_STRING([--disable-kernel-module],
 173         [disable compilation of the kernel module (defaults to enabled)])],
 174     ,
 175     [enable_kernel_module="yes"])
 176 AC_ARG_ENABLE([redhat-buildsys],
 177     [AS_HELP_STRING([--enable-redhat-buildsys],
 178         [enable compilation of the redhat build system kernel (defaults to
 179          disabled)])],
 180     ,
 181     [enable_redhat_buildsys="no"])
 182
 183 dnl Installation locations.
 184 AC_ARG_ENABLE([transarc-paths],
 185     [AS_HELP_STRING([--enable-transarc-paths],
 186         [use Transarc style paths like /usr/afs and /usr/vice])],
 187     ,
 188     [enable_transarc_paths="no"])
 189
 190 dnl Optimization and debugging flags.
 191 AC_ARG_ENABLE([strip-binaries],
 192     [AS_HELP_STRING([--disable-strip-binaries],
 193         [disable stripping of symbol information from binaries (defaults to
 194          enabled)])],
 195     ,
 196     [enable_strip_binaries="maybe"])
 197 AC_ARG_ENABLE([debug],
 198     [AS_HELP_STRING([--enable-debug],
 199         [enable compilation of the user space code with debugging information
 200          (defaults to disabled)])],
 201     ,
 202     [enable_debug="no"])
 203 AC_ARG_ENABLE([optimize],
 204     [AS_HELP_STRING([--disable-optimize],
 205         [disable optimization for compilation of the user space code (defaults
 206          to enabled)])],
 207     ,
 208     [enable_optimize="yes"])
 209 AC_ARG_ENABLE([warnings],
 210     [AS_HELP_STRING([--enable-warnings],
 211         [enable compilation warnings when building with gcc (defaults to
 212          disabled)])],
 213     ,
 214     [enable_warnings="no"])
 215 AC_ARG_ENABLE([checking],
 216     [AS_HELP_STRING([--enable-checking],
 217         [turn compilation warnings into errors when building with gcc (defaults
 218          to disabled)])],
 219     [enable_checking="$enableval"],
 220     [enable_checking="no"])
 221 AC_ARG_ENABLE([debug-kernel],
 222     [AS_HELP_STRING([--enable-debug-kernel],
 223         [enable compilation of the kernel module with debugging information
 224          (defaults to disabled)])],
 225     ,
 226     [enable_debug_kernel="no"])
 227 AC_ARG_ENABLE([optimize-kernel],
 228     [AS_HELP_STRING([--disable-optimize-kernel],
 229         [disable compilation of the kernel module with optimization (defaults
 230          based on platform)])],
 231     ,
 232     [enable_optimize_kernel="yes"])
 233 AC_ARG_ENABLE([debug-lwp],
 234     [AS_HELP_STRING([--enable-debug-lwp],
 235         [enable compilation of the LWP code with debugging information
 236          (defaults to disabled)])],
 237     ,
 238     [enable_debug_lwp="no"])
 239 AC_ARG_ENABLE([optimize-lwp],
 240     [AS_HELP_STRING([--disable-optimize-lwp],
 241         [disable optimization for compilation of the LWP code (defaults to
 242          enabled)])],
 243     ,
 244     [enable_optimize_lwp="yes"])
 245 AC_ARG_ENABLE([debug-pam],
 246     [AS_HELP_STRING([--enable-debug-pam],
 247         [enable compilation of the PAM code with debugging information
 248          (defaults to disabled)])],
 249     ,
 250     [enable_debug_pam="no"])
 251 AC_ARG_ENABLE([optimize-pam],
 252     [AS_HELP_STRING([--disable-optimize-pam],
 253         [disable optimization for compilation of the PAM code (defaults to
 254          enabled)])],
 255     ,
 256     [enable_optimize_pam="yes"])
 257 AC_ARG_ENABLE([linux-syscall-probing],
 258     [AS_HELP_STRING([--disable-linux-syscall-probing],
 259         [disabling Linux syscall probing (defaults to enabled)])],
 260     ,
 261     [AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 262         [define to enable syscall table probes])])
 263
 264
 265 AC_ARG_WITH([xslt-processor],
 266         AS_HELP_STRING([--with-xslt-processor=ARG],
 267         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 268         XSLTPROC="$withval",
 269         XSLTPROC="libxslt")
 270
 271 AC_ARG_WITH([html-xsl],
 272         AS_HELP_STRING([--with-html-xsl],
 273         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 274         HTML_XSL="$withval",
 275         HTML_XSL=no)
 276
 277 enable_login="no"
 278
 279 dnl weird ass systems
 280 dnl AC_AIX
 281 AC_ISC_POSIX
 282 dnl AC_MINIX
 283
 284 dnl Various compiler setup.
 285 AC_TYPE_PID_T
 286 AC_TYPE_SIZE_T
 287
 288 dnl Checks for programs.
 289 AC_PROG_INSTALL
 290 AC_PROG_LN_S
 291 AC_PROG_RANLIB
 292 AC_PROG_YACC
 293 AM_PROG_LEX
 294
 295 OPENAFS_CHECK_BIGENDIAN
 296 OPENAFS_PRINTF_TAKES_Z_LEN
 297
 298 AC_MSG_CHECKING(your OS)
 299 system=$host
 300 case $system in
 301         *-linux*)
 302
 303                 MKAFS_OSTYPE=LINUX
 304                 if test "x$enable_redhat_buildsys" = "xyes"; then
 305                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 306                 fi
 307                 if test "x$enable_kernel_module" = "xyes"; then
 308                  if test "x$with_linux_kernel_headers" != "x"; then
 309                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 310                  else
 311                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 312                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 313                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 314                    fi
 315                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 316                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 317                    fi
 318                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 319                      LINUX_KERNEL_PATH="/usr/src/linux"
 320                    fi
 321                  fi
 322                  if test "x$with_linux_kernel_build" != "x"; then
 323                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 324                  else
 325                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 326                  fi
 327                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 328                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 329                    LINUX_VERSION="$linux_kvers"
 330                  else
 331                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 332                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 333                      LINUX_VERSION="$linux_kvers"
 334                    else
 335                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 336                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 337                        if test "x$linux_kvers" = "x"; then
 338                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 339                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 340                            if test "x$linux_kvers" = "x"; then
 341                              AC_MSG_ERROR(Linux headers lack version definition [2])
 342                              exit 1
 343                            else
 344                              LINUX_VERSION="$linux_kvers"
 345                            fi
 346                          else
 347                            AC_MSG_ERROR(Linux headers lack version definition)
 348                            exit 1
 349                          fi
 350                        else
 351                          LINUX_VERSION="$linux_kvers"
 352                        fi
 353                      else
 354                        enable_kernel_module="no"
 355                      fi
 356                    fi
 357                  fi
 358                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 359                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 360                      enable_kernel_module="no"
 361                  fi
 362                  if test "x$enable_kernel_module" = "xno"; then
 363                   if test "x$with_linux_kernel_headers" != "x"; then
 364                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 365                    exit 1
 366                   else
 367                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 368                   fi
 369                  fi
 370                  dnl do we need to determine SUBARCH from autoconf.h
 371                  SUBARCH=default
 372                 fi
 373                 AC_MSG_RESULT(linux)
 374                 if test "x$enable_kernel_module" = "xyes"; then
 375                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 376                  if test "x${AFS_SYSKVERS}" = "x"; then
 377                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 378                  fi
 379                 fi
 380                 ;;
 381         *-solaris*)
 382                 MKAFS_OSTYPE=SOLARIS
 383                 AC_MSG_RESULT(sun4)
 384                 AC_PATH_PROG(SOLARISCC, [cc], ,
 385                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 386                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 387                 SOLARIS_FS_HAS_FS_ROLLED
 388                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 389                 ;;
 390         *-sunos*)
 391                 MKAFS_OSTYPE=SUNOS
 392                 enable_kernel_module=no
 393                 AC_MSG_RESULT(sun4)
 394                 ;;
 395         *-hpux*)
 396                 MKAFS_OSTYPE=HPUX
 397                 AC_MSG_RESULT(hp_ux)
 398                 if test -f "/usr/old/usr/include/ndir.h"; then
 399                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 400                 fi
 401                 ;;
 402         *-irix*)
 403                 if test -d /usr/include/sys/SN/SN1; then
 404                  IRIX_BUILD_IP35="IP35"
 405                 fi
 406                 MKAFS_OSTYPE=IRIX
 407                 AC_MSG_RESULT(sgi)
 408                 ;;
 409         *-aix*)
 410                 MKAFS_OSTYPE=AIX
 411                 AC_MSG_RESULT(rs_aix)
 412                 ;;
 413         *-osf*)
 414                 MKAFS_OSTYPE=DUX
 415                 AC_MSG_RESULT(alpha_dux)
 416                 ;;
 417         powerpc-*-darwin*)
 418                 MKAFS_OSTYPE=DARWIN
 419                 AC_MSG_RESULT(ppc_darwin)
 420                 ;;
 421         i386-*-darwin*)
 422                 MKAFS_OSTYPE=DARWIN
 423                 AC_MSG_RESULT(x86_darwin)
 424                 ;;
 425         i386-*-freebsd*)
 426                 MKAFS_OSTYPE=FBSD
 427                 AC_MSG_RESULT(i386_fbsd)
 428                 ;;
 429         x86_64-*-freebsd*)
 430                 MKAFS_OSTYPE=FBSD
 431                 AC_MSG_RESULT(amd64_fbsd)
 432                 ;;
 433         *-netbsd*)
 434                 MKAFS_OSTYPE=NBSD
 435                 AC_MSG_RESULT(nbsd)
 436                 ;;
 437         x86_64-*-openbsd*)
 438                 MKAFS_OSTYPE=OBSD
 439                 AC_MSG_RESULT(amd64_obsd)
 440                 ;;
 441         i386-openbsd*)
 442                 MKAFS_OSTYPE=OBSD
 443                 AC_MSG_RESULT(i386_obsd)
 444                 ;;
 445         *-dragonfly*)
 446                 MKAFS_OSTYPE=DFBSD
 447                 AC_MSG_RESULT(i386_dfbsd)
 448                 ;;
 449         *)
 450                 AC_MSG_RESULT($system)
 451                 ;;
 452 esac
 453
 454 if test "x$with_afs_sysname" != "x"; then
 455         AFS_SYSNAME="$with_afs_sysname"
 456 else
 457         AC_MSG_CHECKING(your AFS sysname)
 458         case $host in
 459                 i?86-*-openbsd?.?)
 460                         v=${host#*openbsd}
 461                         vM=${v%.*}
 462                         vm=${v#*.}
 463                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 464                         ;;
 465                 sparc64-*-openbsd?.?)
 466                         v=${host#*openbsd}
 467                         vM=${v%.*}
 468                         vm=${v#*.}
 469                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 470                         ;;
 471                 x86_64-*-openbsd?.?)
 472                         v=${host#*openbsd}
 473                         vM=${v%.*}
 474                         vm=${v#*.}
 475                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 476                         ;;
 477                 i?86-*-freebsd?.*)
 478                         v=${host#*freebsd}
 479                         vM=${v%.*}
 480                         vm=${v#*.}
 481                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 482                         ;;
 483                 x86_64-*-freebsd?.*)
 484                         v=${host#*freebsd}
 485                         vM=${v%.*}
 486                         vm=${v#*.}
 487                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 488                         ;;
 489                 i386-*-dragonfly2.2*)
 490                         AFS_SYSNAME="i386_dfbsd_23"
 491                         ;;
 492                 i386-*-dragonfly2.3*)
 493                         AFS_SYSNAME="i386_dfbsd_23"
 494                         ;;
 495                 i?86-*-netbsd*1.5*)
 496                         AFS_SYSNAME="i386_nbsd15"
 497                         ;;
 498                 alpha-*-netbsd*1.5*)
 499                         AFS_SYSNAME="alpha_nbsd15"
 500                         ;;
 501                 i?86-*-netbsd*1.6[[M-Z]]*)
 502                         AFS_SYSNAME="i386_nbsd20"
 503                         ;;
 504                 powerpc-*-netbsd*1.6[[M-Z]]*)
 505                         AFS_SYSNAME="ppc_nbsd20"
 506                         ;;
 507                 i?86-*-netbsd*2.0*)
 508                         AFS_SYSNAME="i386_nbsd20"
 509                         ;;
 510                 amd64-*-netbsd*2.0*)
 511                         AFS_SYSNAME="amd64_nbsd20"
 512                         ;;
 513                 x86_64-*-netbsd*3.[[0-8]]*)
 514 # XXX AFS_PARAM_COMMON handled separately, redundant?
 515                         AFS_PARAM_COMMON=param.nbsd30.h
 516                         AFS_SYSNAME="amd64_nbsd30"
 517                         ;;
 518                 x86_64-*-netbsd*4.[[0-8]]*)
 519 # XXX AFS_PARAM_COMMON handled separately, redundant?
 520                         AFS_PARAM_COMMON=param.nbsd40.h
 521                         AFS_SYSNAME="amd64_nbsd40"
 522                         ;;
 523                 powerpc-*-netbsd*2.0*)
 524                         AFS_SYSNAME="ppc_nbsd20"
 525                         ;;
 526                 i?86-*-netbsd*1.6*)
 527                         AFS_SYSNAME="i386_nbsd16"
 528                         ;;
 529                 alpha-*-netbsd*1.6*)
 530                         AFS_SYSNAME="alpha_nbsd16"
 531                         ;;
 532                 powerpc-*-netbsd*1.6*)
 533                         AFS_SYSNAME="ppc_nbsd16"
 534                         ;;
 535                 i?86-*-netbsd*2.1*)
 536                         AFS_SYSNAME="i386_nbsd21"
 537                         ;;
 538                 i?86-*-netbsd*2.99*)
 539                         AFS_SYSNAME="i386_nbsd30"
 540                         ;;
 541                 i?86-*-netbsd*3.[[0-8]]*)
 542                         AFS_SYSNAME="i386_nbsd30"
 543                         ;;
 544                 i?86-*-netbsd*3.99*)
 545                         AFS_SYSNAME="i386_nbsd30"
 546                         ;;
 547                 i?86-*-netbsd*4.[[0-8]]*)
 548                         AFS_SYSNAME="i386_nbsd40"
 549                         ;;
 550                 i?86-*-netbsd*4.99*)
 551                         AFS_SYSNAME="i386_nbsd40"
 552                         ;;
 553                 hppa*-hp-hpux11.0*)
 554                         AFS_SYSNAME="hp_ux110"
 555                         ;;
 556                 hppa*-hp-hpux11.11)
 557                         AFS_SYSNAME="hp_ux11i"
 558                         ;;
 559                 hppa*-hp-hpux11.23)
 560                         AFS_SYSNAME="hp_ux1123"
 561                         ;;
 562                 ia64-hp-hpux11.22)
 563                         AFS_SYSNAME="ia64_hpux1122"
 564                         ;;
 565                 ia64-hp-hpux*)
 566                         AFS_SYSNAME="ia64_hpux1123"
 567                         ;;
 568                 hppa*-hp-hpux10*)
 569                         AFS_SYSNAME="hp_ux102"
 570                         ;;
 571                 powerpc-apple-darwin7*)
 572                         AFS_SYSNAME="ppc_darwin_70"
 573                         ;;
 574                 powerpc-apple-darwin8.*)
 575                         AFS_SYSNAME="ppc_darwin_80"
 576                         ;;
 577                 i386-apple-darwin8.*)
 578                         AFS_SYSNAME="x86_darwin_80"
 579                         ;;
 580                 powerpc-apple-darwin9.*)
 581                         AFS_SYSNAME="ppc_darwin_90"
 582                         ;;
 583                 i386-apple-darwin9.*)
 584                         AFS_SYSNAME="x86_darwin_90"
 585                         ;;
 586                 i?86-apple-darwin10.*)
 587                         AFS_SYSNAME="x86_darwin_100"
 588                         ;;
 589                 sparc-sun-solaris2.5*)
 590                         AFS_SYSNAME="sun4x_55"
 591                         enable_login="yes"
 592                         ;;
 593                 sparc-sun-solaris2.6)
 594                         AFS_SYSNAME="sun4x_56"
 595                         ;;
 596                 sparc-sun-solaris2.7)
 597                         AFS_SYSNAME="sun4x_57"
 598                         ;;
 599                 sparc-sun-solaris2.8)
 600                         AFS_SYSNAME="sun4x_58"
 601                         ;;
 602                 sparc-sun-solaris2.9)
 603                         AFS_SYSNAME="sun4x_59"
 604                         ;;
 605                 sparc-sun-solaris2.10)
 606                         AFS_SYSNAME="sun4x_510"
 607                         ;;
 608                 sparc-sun-solaris2.11)
 609                         AFS_SYSNAME="sun4x_511"
 610                         ;;
 611                 sparc-sun-sunos4*)
 612                         AFS_SYSNAME="sun4_413"
 613                         enable_login="yes"
 614                         ;;
 615                 i386-pc-solaris2.7)
 616                         AFS_SYSNAME="sunx86_57"
 617                         ;;
 618                 i386-pc-solaris2.8)
 619                         AFS_SYSNAME="sunx86_58"
 620                         ;;
 621                 i386-pc-solaris2.9)
 622                         AFS_SYSNAME="sunx86_59"
 623                         ;;
 624                 i386-pc-solaris2.10)
 625                         AFS_SYSNAME="sunx86_510"
 626                         ;;
 627                 i386-pc-solaris2.11)
 628                         AFS_SYSNAME="sunx86_511"
 629                         ;;
 630                 alpha*-dec-osf4.0*)
 631                         AFS_SYSNAME="alpha_dux40"
 632                         ;;
 633                 alpha*-dec-osf5.0*)
 634                         AFS_SYSNAME="alpha_dux50"
 635                         ;;
 636                 alpha*-dec-osf5.1*)
 637                         AFS_SYSNAME="alpha_dux51"
 638                         ;;
 639                 mips-sgi-irix6.5)
 640                         AFS_SYSNAME="sgi_65"
 641                         ;;
 642                 ia64-*-linux*)
 643                         AFS_SYSNAME="ia64_linuxXX"
 644                         ;;
 645                 powerpc-*-linux*)
 646                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 647                         ;;
 648                 powerpc64-*-linux*)
 649                         AFS_SYSNAME="ppc64_linuxXX"
 650                         ;;
 651                 alpha*-linux*)
 652                         AFS_SYSNAME="alpha_linux_XX"
 653                         ;;
 654                 s390-*-linux*)
 655                         AFS_SYSNAME="s390_linuxXX"
 656                         ;;
 657                 s390x-*-linux*)
 658                         AFS_SYSNAME="s390x_linuxXX"
 659                         ;;
 660                 sparc-*-linux*)
 661                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 662                         ;;
 663                 sparc64-*-linux*)
 664                         AFS_SYSNAME="sparc64_linuxXX"
 665                         ;;
 666                 i?86-*-linux*)
 667                         AFS_SYSNAME="i386_linuxXX"
 668                         ;;
 669                 arm*-linux*)
 670                         AFS_SYSNAME="arm_linuxXX"
 671                         ;;
 672                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 673                         AFS_SYSNAME="parisc_linuxXX"
 674                         enable_pam="no"
 675                         ;;
 676                 power*-ibm-aix4.2*)
 677                         AFS_SYSNAME="rs_aix42"
 678                         enable_pam="no"
 679                         ;;
 680                 power*-ibm-aix4.3*)
 681                         AFS_SYSNAME="rs_aix42"
 682                         enable_pam="no"
 683                         ;;
 684                 power*-ibm-aix5.1*)
 685                         AFS_SYSNAME="rs_aix51"
 686                         enable_pam="no"
 687                         ;;
 688                 power*-ibm-aix5.2*)
 689                         AFS_SYSNAME="rs_aix52"
 690                         enable_pam="no"
 691                         ;;
 692                 power*-ibm-aix5.3*)
 693                         AFS_SYSNAME="rs_aix53"
 694                         enable_pam="no"
 695                         ;;
 696                 power*-ibm-aix6.1*)
 697                         AFS_SYSNAME="rs_aix61"
 698                         enable_pam="no"
 699                         ;;
 700                 x86_64-*-linux-gnu)
 701                         AFS_SYSNAME="amd64_linuxXX"
 702                         enable_pam="yes"
 703                         ;;
 704                 *)
 705                         AC_MSG_ERROR(An AFS sysname is required)
 706                         exit 1
 707                         ;;
 708         esac
 709         case $AFS_SYSNAME in
 710                 *_linux* | *_umlinux*)
 711                         if test "x${AFS_SYSKVERS}" = "x"; then
 712                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 713                         fi
 714                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 715                         AFS_SYSNAME="$_AFS_SYSNAME"
 716                         AC_TRY_KBUILD(
 717                          [],
 718                          [#ifndef CONFIG_USERMODE
 719                           #error not UML
 720                           #endif],
 721                          ac_cv_linux_is_uml=yes,)
 722                         if test "${ac_cv_linux_is_uml}" = yes; then
 723                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 724                         fi
 725                         AFS_SYSNAME="$_AFS_SYSNAME"
 726                         ;;
 727         esac
 728         AC_MSG_RESULT($AFS_SYSNAME)
 729 fi
 730
 731 case $AFS_SYSNAME in
 732         *_darwin*)
 733                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 734                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 735                 ;;
 736 esac
 737
 738 dnl Some hosts have a separate common param file they should include.  Figure
 739 dnl out if we're on one of them now that we know the sysname.
 740 case $AFS_SYSNAME in
 741     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 742     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 743     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 744     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 745     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 746     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 747     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 748     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 749     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 750     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 751     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 752     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 753     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 754     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 755     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 756     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 757     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 758     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 759     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 760     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 761     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 762     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 763     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 764     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 765     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 766 esac
 767
 768 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 769
 770                 # Add (sub-) architecture-specific paths needed by conftests
 771                 case $AFS_SYSNAME  in
 772                         *_umlinux26)
 773                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 774                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 775                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 776                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 777                 esac
 778
 779                 if test "x$enable_kernel_module" = "xyes"; then
 780                  if test "x$enable_debug_kernel" = "xno"; then
 781                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 782                  fi
 783                  OPENAFS_GCC_SUPPORTS_MARCH
 784                  AC_SUBST(P5PLUS_KOPTS)
 785                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 786                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 787                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 788                  OPENAFS_GCC_SUPPORTS_PIPE
 789                  AC_SUBST(LINUX_GCC_KOPTS)
 790
 791                  dnl Setup the kernel build environment
 792                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 793                  LINUX_KERNEL_COMPILE_WORKS
 794
 795                  dnl Check for header files
 796                  AC_CHECK_LINUX_HEADER([config.h])
 797                  AC_CHECK_LINUX_HEADER([completion.h])
 798                  AC_CHECK_LINUX_HEADER([exportfs.h])
 799                  AC_CHECK_LINUX_HEADER([freezer.h])
 800                  AC_CHECK_LINUX_HEADER([key-type.h])
 801                  AC_CHECK_LINUX_HEADER([semaphore.h])
 802                  AC_CHECK_LINUX_HEADER([seq_file.h])
 803
 804                  dnl Check for structure elements
 805                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 806                                        [write_begin], [fs.h])
 807                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 808                                        [backing-dev.h])
 809                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 810                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 811                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 812                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 813                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 814                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 815                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 816                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 817                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 818                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 819                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 820                                        [fs.h])
 821                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 822                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 823                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 824                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 825                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 826                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 827                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 828                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 829                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 830                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 831                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 832
 833                  dnl Function existence checks
 834
 835                  AC_CHECK_LINUX_FUNC([bdi_init],
 836                                      [#include <linux/backing-dev.h>],
 837                                      [bdi_init(NULL);])
 838                  AC_CHECK_LINUX_FUNC([ctl_table], [ctl_name], [sysctl.h])
 839                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 840                                      [#include <linux/time.h>],
 841                                      [struct timespec s;
 842                                       s = current_kernel_time();])
 843                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 844                                      [#include <linux/dcache.h>],
 845                                      [d_alloc_anon(NULL);])
 846                  AC_CHECK_LINUX_FUNC([do_sync_read],
 847                                      [#include <linux/fs.h>],
 848                                      [do_sync_read(NULL, NULL, 0, NULL);])
 849                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 850                                      [#include <linux/sched.h>],
 851                                      [pid_t p; find_task_by_pid(p);])
 852                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 853                                      [#include <linux/fs.h>],
 854                                      [generic_file_aio_read(NULL,NULL,0,0);])
 855                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 856                                      [#include <linux/pagemap.h>],
 857                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 858                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 859                                      [#include <linux/list.h>],
 860                                      [hlist_unhashed(0);])
 861                  AC_CHECK_LINUX_FUNC([i_size_read],
 862                                      [#include <linux/fs.h>],
 863                                      [i_size_read(NULL);])
 864                  AC_CHECK_LINUX_FUNC([iget],
 865                                      [#include <linux/fs.h>],
 866                                      [iget(NULL, NULL);])
 867                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 868                                      [#include <linux/net.h>],
 869                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 870                  AC_CHECK_LINUX_FUNC([page_follow_link],
 871                                      [#include <linux/fs.h>],
 872                                      [page_follow_link(0,0);])
 873                  AC_CHECK_LINUX_FUNC([page_offset],
 874                                      [#include <linux/pagemap.h>],
 875                                      [page_offset(NULL);])
 876                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 877                                      [#include <linux/pagevec.h>],
 878                                      [__pagevec_lru_add_file(NULL);])
 879                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 880                                      [#include <linux/rcupdate.h>],
 881                                      [rcu_read_lock();])
 882                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 883                                      [#include <linux/splice.h>],
 884                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 885                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 886                                      [#include <linux/sunrpc/svc.h>],
 887                                      [svc_addr_in(NULL);])
 888                  AC_CHECK_LINUX_FUNC([vfs_llseek],
 889                                      [#include <linux/fs.h>],
 890                                      [vfs_llseek(NULL, 0, 0);])
 891                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 892                                      [#include <linux/highmem.h>],
 893                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 894
 895                  dnl Consequences - things which get set as a result of the
 896                  dnl                above tests
 897                  AS_IF([test "x$ac_cv_linux_func_iget" = "xno"],
 898                        [AC_DEFINE([LINUX_USE_FH], 1,
 899                           [define to use linux file handles for cache files])])
 900                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 901                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 902                                   [define to disable the nfs translator])])
 903
 904                  dnl Assorted more complex tests
 905                  LINUX_EXPORTS_PROC_ROOT_FS
 906                  LINUX_KMEM_CACHE_INIT
 907                  LINUX_HAVE_KMEM_CACHE_T
 908                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 909                  LINUX_D_PATH_TAKES_STRUCT_PATH
 910                  LINUX_NEW_EXPORT_OPS
 911                  LINUX_INODE_SETATTR_RETURN_TYPE
 912                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 913                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 914                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 915                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 916                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 917                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 918                  LINUX_AOP_WRITEBACK_CONTROL
 919                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 920                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 921                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 922                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 923                  LINUX_KERNEL_SOCK_CREATE
 924                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 925                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 926                  LINUX_NEED_RHCONFIG
 927                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 928                  LINUX_EXPORTS_TASKLIST_LOCK
 929                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 930                  LINUX_STATFS_TAKES_DENTRY
 931                  LINUX_REFRIGERATOR
 932                  LINUX_HAVE_TRY_TO_FREEZE
 933                  LINUX_LINUX_KEYRING_SUPPORT
 934                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 935                  LINUX_KEY_ALLOC_NEEDS_CRED
 936                  LINUX_INIT_WORK_HAS_DATA
 937                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 938                  LINUX_EXPORTS_INIT_MM
 939                  LINUX_EXPORTS_SYS_CHDIR
 940                  LINUX_EXPORTS_SYS_OPEN
 941
 942                  dnl Packaging and SMP build
 943                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 944                    LINUX_WHICH_MODULES
 945                  else
 946                    AC_SUBST(MPS,'SP')
 947                  fi
 948
 949                  dnl Syscall probing
 950                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 951                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 952                    ac_cv_linux_exports_sys_call_table=no
 953                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 954                      ac_cv_linux_exports_ia32_sys_call_table=yes
 955                    fi
 956                  else
 957                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 958                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 959                    LINUX_EXPORTS_SYS_CALL_TABLE
 960                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 961                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 962                          linux_syscall_method=none
 963                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 964                             linux_syscall_method=scan
 965                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 966                                linux_syscall_method=scan_with_kallsyms_address
 967                             fi
 968                          fi
 969                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 970                             linux_syscall_method=kallsyms_symbol
 971                          fi
 972                          if test "x$linux_syscall_method" = "xnone"; then
 973                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 974                             linux_syscall_method=scan
 975                          fi
 976                    fi
 977                  fi
 978                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 979                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 980                  fi
 981                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 982                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 983                  fi
 984                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 985                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 986                  else
 987                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 988                  fi
 989                 :
 990                 fi
 991 esac
 992
 993 AC_CACHE_VAL(ac_cv_sockaddr_len,
 994 [
 995 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
 996 AC_TRY_COMPILE( [#include <sys/types.h>
 997 #include <sys/socket.h>],
 998 [struct sockaddr *a;
 999 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1000 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1001 if test "$ac_cv_sockaddr_len" = "yes"; then
1002    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1003 fi
1004 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1005         echo Skipping library tests because they confuse Irix.
1006 else
1007   AC_SEARCH_LIBS([socket], [socket inet])
1008   AC_SEARCH_LIBS([connect], [nsl])
1009   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1010
1011   dnl darwin wants it, aix hates it
1012   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1013   AC_TRY_COMPILE([
1014   #include <stdlib.h>
1015   #include <stdio.h>
1016   #include <sys/types.h>
1017   #include <sys/socket.h>
1018   #include <netinet/in.h>
1019   #include <arpa/inet.h>
1020   #include <arpa/nameser.h>
1021   #include <arpa/nameser_compat.h>
1022   #include <resolv.h>
1023   ], [static int i; i = 0;],
1024   [AC_MSG_RESULT(yes)
1025    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1026   [AC_MSG_RESULT(no)
1027    ])
1028
1029   openafs_save_libs="$LIBS"
1030   AC_MSG_CHECKING([for res_search])
1031   AC_FUNC_RES_SEARCH
1032
1033   if test "$ac_cv_func_res_search" = no; then
1034       for lib in dns nsl resolv; do
1035         if test "$ac_cv_func_res_search" != yes; then
1036           LIBS="-l$lib $LIBS"
1037           AC_FUNC_RES_SEARCH
1038           LIBS="$openafs_save_libs"
1039         fi
1040       done
1041       if test "$ac_cv_func_res_search" = yes; then
1042         LIB_AFSDB="-l$lib"
1043         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1044         AC_MSG_RESULT([yes, in lib$lib])
1045       else
1046         AC_MSG_RESULT(no)
1047       fi
1048   else
1049     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1050     AC_MSG_RESULT(yes)
1051   fi
1052
1053 fi
1054
1055 AC_CHECK_RESOLV_RETRANS
1056
1057 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1058 [
1059 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1060 AC_TRY_COMPILE( [#include <sys/types.h>
1061 #include <sys/socket.h>
1062 #include <netinet/in.h>],
1063 [int on=1;
1064 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1065 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1066 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1067    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1068 fi
1069
1070 PTHREAD_LIBS=error
1071 if test "x$MKAFS_OSTYPE" = OBSD; then
1072         PTHREAD_LIBS="-pthread"
1073 fi
1074 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1075         PTHREAD_LIBS="-pthread"
1076 fi
1077 if test "x$PTHREAD_LIBS" = xerror; then
1078         AC_CHECK_LIB(pthread, pthread_attr_init,
1079                 PTHREAD_LIBS="-lpthread")
1080 fi
1081 if test "x$PTHREAD_LIBS" = xerror; then
1082         AC_CHECK_LIB(pthreads, pthread_attr_init,
1083                 PTHREAD_LIBS="-lpthreads")
1084 fi
1085 if test "x$PTHREAD_LIBS" = xerror; then
1086         AC_CHECK_LIB(c_r, pthread_attr_init,
1087                 PTHREAD_LIBS="-lc_r")
1088 fi
1089 if test "x$PTHREAD_LIBS" = xerror; then
1090         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1091 fi
1092 if test "x$PTHREAD_LIBS" = xerror; then
1093         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1094         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1095                 PTHREAD_LIBS="-lpthread")
1096 fi
1097 if test "x$PTHREAD_LIBS" = xerror; then
1098         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1099 fi
1100 AC_SUBST(PTHREAD_LIBS)
1101
1102 HOST_CPU="$host_cpu"
1103
1104 if test "x$with_bsd_kernel_headers" != "x"; then
1105         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1106 else
1107         BSD_KERNEL_PATH="/usr/src/sys"
1108 fi
1109
1110 if test "x$with_bsd_kernel_build" != "x"; then
1111         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1112 else
1113         case $AFS_SYSNAME in
1114                 *_fbsd_4?)
1115                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1116                         ;;
1117                 *_fbsd_*)
1118                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1119                         ;;
1120                 *_nbsd*)
1121                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1122         esac
1123 fi
1124
1125 # Fast restart
1126 if test "$enable_supergroups" = "yes"; then
1127         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1128 fi
1129
1130 if test "$enable_fast_restart" = "yes"; then
1131         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1132 fi
1133
1134 if test "$enable_bitmap_later" = "yes"; then
1135         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1136 fi
1137
1138 if test "$enable_demand_attach_fs" = "yes"; then
1139         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1140         DEMAND_ATTACH="yes"
1141 else
1142         DEMAND_ATTACH="no"
1143 fi
1144 AC_SUBST(DEMAND_ATTACH)
1145
1146 if test "$enable_disconnected" = "yes"; then
1147         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1148 fi
1149
1150 if test "$enable_unix_sockets" = "yes"; then
1151         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1152         USE_UNIX_SOCKETS="yes"
1153 else
1154         USE_UNIX_SOCKETS="no"
1155 fi
1156 AC_SUBST(USE_UNIX_SOCKETS)
1157
1158 if test "$enable_fast_restart" = "yes" &&
1159    test "$enable_demand_attach_fs" = "yes" ; then
1160         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1161         exit 1
1162 fi
1163
1164 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1165    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1166         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1167    fi
1168 fi
1169
1170 if test "$enable_cache_bypass" = "yes"; then
1171         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1172 fi
1173
1174 if test "$enable_namei_fileserver" = "yes"; then
1175         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1176         VFSCK=""
1177 else
1178         if test "$enable_namei_fileserver" = "default"; then
1179                 case $host in
1180                         *-solaris2.10*)
1181                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1182                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1183                                 VFSCK=""
1184                                 ;;
1185                         *-solaris2.11*)
1186                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1187                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1188                                 VFSCK=""
1189                                 ;;
1190                         *)
1191                                 VFSCK="vfsck"
1192                                 ;;
1193                 esac
1194         else
1195                 VFSCK="vfsck"
1196         fi
1197 fi
1198
1199 dnl check for tivoli
1200 AC_MSG_CHECKING(for tivoli tsm butc support)
1201 XBSA_CFLAGS=""
1202 if test "$enable_tivoli_tsm" = "yes"; then
1203         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1204         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1205         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1206         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1207
1208         if test -r "$XBSADIR3/dsmapifp.h"; then
1209                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1210                 XBSA_XLIBS="-ldl"
1211                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1212         elif test -r "$XBSADIR4/dsmapifp.h"; then
1213                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1214                 XBSA_XLIBS="-ldl"
1215                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1216         elif test -r "$XBSADIR1/xbsa.h"; then
1217                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1218                 XBSA_XLIBS=""
1219                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1220         elif test -r "$XBSADIR2/xbsa.h"; then
1221                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1222                 XBSA_XLIBS=""
1223                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1224         else
1225                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1226         fi
1227 else
1228         AC_MSG_RESULT([no])
1229 fi
1230 AC_SUBST(XBSA_CFLAGS)
1231 AC_SUBST(XBSA_XLIBS)
1232
1233 dnl checks for header files.
1234 AC_HEADER_STDC
1235 AC_HEADER_SYS_WAIT
1236 AC_HEADER_DIRENT
1237 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1238 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1239 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1240 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1241 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h)
1242 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1243 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1244 AC_CHECK_HEADERS(et/com_err.h)
1245
1246 AC_CHECK_TYPES([fsblkcnt_t],,,[
1247 #include <sys/types.h>
1248 #ifdef HAVE_SYS_BITYPES_H
1249 #include <sys/bitypes.h>
1250 #endif
1251 #ifdef HAVE_SYS_STATFS_H
1252 #include <sys/statfs.h>
1253 #endif
1254 #ifdef HAVE_SYS_STATVFS_H
1255 #include <sys/statvfs.h>
1256 #endif
1257 ])
1258
1259 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1260
1261 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1262 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1263         case $AFS_SYSNAME in
1264         sgi_*)
1265                 HAVE_PAM="no"
1266                 ;;
1267         *)
1268                 HAVE_PAM="yes"
1269                 ;;
1270         esac
1271 else
1272         HAVE_PAM="no"
1273 fi
1274 AC_SUBST(HAVE_PAM)
1275
1276 if test "$enable_login" = yes; then
1277         BUILD_LOGIN="yes"
1278 else
1279         BUILD_LOGIN="no"
1280 fi
1281 AC_SUBST(BUILD_LOGIN)
1282
1283 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock)
1284 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1285 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1286 AC_CHECK_FUNCS(regcomp regexec regerror)
1287 AC_MSG_CHECKING([for POSIX regex library])
1288 if test "$ac_cv_header_regex_h" = "yes" && \
1289         test "$ac_cv_func_regcomp" = "yes" && \
1290         test "$ac_cv_func_regexec" = "yes" && \
1291         test "$ac_cv_func_regerror" = "yes"; then
1292     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1293     AC_MSG_RESULT(yes)
1294 else
1295     AC_MSG_RESULT(no)
1296 fi
1297
1298 AC_TYPE_SOCKLEN_T
1299 AC_TYPE_SIGNAL
1300 AC_CHECK_SIZEOF(void *)
1301 AC_CHECK_SIZEOF(unsigned long long)
1302 AC_CHECK_SIZEOF(unsigned long)
1303 AC_CHECK_SIZEOF(unsigned int)
1304 AC_TYPE_INTPTR_T
1305 AC_TYPE_UINTPTR_T
1306 AC_CHECK_TYPE(ssize_t, int)
1307 AC_CHECK_TYPE([sig_atomic_t], ,
1308     [AC_DEFINE([sig_atomic_t], [int],
1309         [Define to int if <signal.h> does not define.])],
1310 [#include <sys/types.h>
1311 #include <signal.h>])
1312 AC_SIZEOF_TYPE(long)
1313
1314 AC_HEADER_PAM_CONST
1315
1316 AC_CHECK_FUNCS(timegm)
1317 AC_CHECK_FUNCS(daemon)
1318
1319 dnl Directory PATH handling
1320 if test "x$enable_transarc_paths" = "xyes"  ; then
1321     afsconfdir=${afsconfdir=/usr/afs/etc}
1322     viceetcdir=${viceetcdir=/usr/vice/etc}
1323     afskerneldir=${afskerneldir=${viceetcdir}}
1324     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1325     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1326     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1327     afsdbdir=${afsdbdir=/usr/afs/db}
1328     afslogsdir=${afslogsdir=/usr/afs/logs}
1329     afslocaldir=${afslocaldir=/usr/afs/local}
1330     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1331     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1332     afsdatadir=${afsdatadir=/usr/vice/etc}
1333 else
1334     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1335     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1336     afskerneldir=${afskerneldir='${libdir}/openafs'}
1337     afssrvbindir=${afssrvbindir='${bindir}'}
1338     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1339     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1340     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1341     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1342     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1343     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1344     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1345     afsdatadir=${afsdatadir='${datadir}/openafs'}
1346 fi
1347 AC_SUBST(afsconfdir)
1348 AC_SUBST(viceetcdir)
1349 AC_SUBST(afskerneldir)
1350 AC_SUBST(afssrvbindir)
1351 AC_SUBST(afssrvsbindir)
1352 AC_SUBST(afssrvlibexecdir)
1353 AC_SUBST(afsdbdir)
1354 AC_SUBST(afslogsdir)
1355 AC_SUBST(afslocaldir)
1356 AC_SUBST(afsbackupdir)
1357 AC_SUBST(afsbosconfigdir)
1358 AC_SUBST(afsdatadir)
1359
1360 if test "x$enable_kernel_module" = "xyes"; then
1361 ENABLE_KERNEL_MODULE=libafs
1362 fi
1363
1364 if test "x$enable_pthreaded_ubik" = "xyes"; then
1365 ENABLE_PTHREADED_UBIK=yes
1366 fi
1367
1368 AC_SUBST(VFSCK)
1369 AC_SUBST(AFS_SYSNAME)
1370 AC_SUBST(AFS_PARAM_COMMON)
1371 AC_SUBST(ENABLE_KERNEL_MODULE)
1372 AC_SUBST(ENABLE_PTHREADED_UBIK)
1373 AC_SUBST(LIB_AFSDB)
1374 AC_SUBST(LINUX_KERNEL_PATH)
1375 AC_SUBST(LINUX_KERNEL_BUILD)
1376 AC_SUBST(HOST_CPU)
1377 AC_SUBST(BSD_KERNEL_PATH)
1378 AC_SUBST(BSD_KERNEL_BUILD)
1379 AC_SUBST(LINUX_VERSION)
1380 AC_SUBST(MKAFS_OSTYPE)
1381 AC_SUBST(TOP_OBJDIR)
1382 AC_SUBST(TOP_SRCDIR)
1383 AC_SUBST(TOP_INCDIR)
1384 AC_SUBST(TOP_LIBDIR)
1385 AC_SUBST(DEST)
1386 AC_SUBST(DARWIN_INFOFILE)
1387 AC_SUBST(IRIX_BUILD_IP35)
1388 AC_SUBST(HTML_XSL)
1389 AC_SUBST(XSLTPROC)
1390
1391 OPENAFS_OSCONF
1392 OPENAFS_KRB5CONF
1393 OPENAFS_FUSE
1394
1395 TOP_SRCDIR="${srcdir}/src"
1396 dnl
1397 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1398 dnl
1399 case $TOP_SRCDIR in
1400         /*)
1401                 ;;
1402         *)
1403                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1404                 ;;
1405 esac
1406
1407 TOP_OBJDIR="${SRCDIR_PARENT}"
1408 TOP_INCDIR="${SRCDIR_PARENT}/include"
1409 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1410 if test "${DEST}x" = "x"; then
1411         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1412 fi
1413
1414 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1415 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1416 AC_SUBST(HELPER_SPLINT)
1417 AC_SUBST(HELPER_SPLINTCFG)
1418
1419 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1420
1421 ])