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
   9 AC_CANONICAL_HOST
  10 SRCDIR_PARENT=`pwd`
  11
  12 #BOZO_SAVE_CORES pam sia
  13 AC_ARG_WITH(afs-sysname,
  14 [  --with-afs-sysname=sys    use sys for the afs sysname]
  15 )
  16 AC_ARG_ENABLE( obsolete,
  17 [  --enable-obsolete                    enable obsolete portions of AFS (mpp and package)],, enable_obsolete="no")
  18 AC_ARG_ENABLE( afsdb,
  19 [  --disable-afsdb                      disable AFSDB DNS RR support],, enable_afsdb="yes")
  20 AC_ARG_ENABLE( pam,
  21 [  --disable-pam                        disable PAM support],, enable_pam="yes")
  22 AC_ARG_ENABLE( bos-restricted-mode,
  23 [  --enable-bos-restricted-mode         enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
  24 AC_ARG_ENABLE( bos-new-config,
  25 [  --enable-bos-new-config              enable bosserver pickup of BosConfig.new on restarts],, enable_bos_new_config="no")
  26 AC_ARG_ENABLE( largefile-fileserver,
  27 [  --disable-largefile-fileserver       disable large file support in fileserver],, enable_largefile_fileserver="yes")
  28 AC_ARG_ENABLE( namei-fileserver,
  29 [  --enable-namei-fileserver            force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
  30 AC_ARG_ENABLE( supergroups,
  31 [  --enable-supergroups                 enable support for nested pts groups],, enable_supergroups="no")
  32 AC_ARG_ENABLE( fast-restart,
  33 [  --enable-fast-restart                enable fast startup of file server without salvaging],, enable_fast_restart="no")
  34 AC_ARG_ENABLE( bitmap-later,
  35 [  --enable-bitmap-later                enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
  36 AC_ARG_ENABLE( demand-attach-fs,
  37 [  --enable-demand-attach-fs            enable Demand Attach Fileserver (please see documentation)],, enable_demand_attach_fs="no")
  38 AC_ARG_ENABLE( unix-sockets,
  39 [  --enable-unix-sockets                enable use of unix domain sockets for fssync],, enable_unix_sockets="yes")
  40 AC_ARG_ENABLE( full-vos-listvol-switch,
  41 [  --disable-full-vos-listvol-switch    disable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="yes")
  42 AC_ARG_WITH(dux-kernel-headers,
  43 [  --with-dux-kernel-headers=path       use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
  44 )
  45 AC_ARG_WITH(linux-kernel-headers,
  46 [  --with-linux-kernel-headers=path     use the kernel headers found at path(optional, defaults to /usr/src/linux-2.4, then /usr/src/linux)]
  47 )
  48 AC_ARG_WITH(bsd-kernel-headers,
  49 [  --with-bsd-kernel-headers=path       use the kernel headers found at path(optional, defaults to /usr/src/sys)]
  50 )
  51 AC_ARG_WITH(bsd-kernel-build,
  52 [  --with-bsd-kernel-build=path         use the kernel build found at path(optional, defaults to KSRC/i386/compile/GENERIC)]
  53 )
  54 AC_ARG_ENABLE(kernel-module,
  55 [  --disable-kernel-module              disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
  56 )
  57 AC_ARG_ENABLE(redhat-buildsys,
  58 [  --enable-redhat-buildsys             enable compilation of the redhat build system kernel (defaults to disabled)],, enable_redhat_buildsys="no"
  59 )
  60 AC_ARG_ENABLE(transarc-paths,
  61 [  --enable-transarc-paths                      Use Transarc style paths like /usr/afs and /usr/vice],, enable_transarc_paths="no"
  62 )
  63 AC_ARG_ENABLE(tivoli-tsm,
  64 [  --enable-tivoli-tsm                  Enable use of the Tivoli TSM API libraries for butc support],, enable_tivoli_tsm="no"
  65 )
  66 AC_ARG_ENABLE(debug-kernel,
  67 [  --enable-debug-kernel                enable compilation of the kernel module with debugging information (defaults to disabled)],, enable_debug_kernel="no"
  68 )
  69 AC_ARG_ENABLE(optimize-kernel,
  70 [  --disable-optimize-kernel            disable compilation of the kernel module with optimization (defaults based on platform)],, enable_optimize_kernel="yes"
  71 )
  72 AC_ARG_ENABLE(debug,
  73 [  --enable-debug                       enable compilation of the user space code with debugging information (defaults to disabled)],, enable_debug="no"
  74 )
  75 AC_ARG_ENABLE(optimize,
  76 [  --disable-optimize                   disable optimization for compilation of the user space code (defaults to enabled)],, enable_optimize="yes"
  77 )
  78 AC_ARG_ENABLE(debug-lwp,
  79 [  --enable-debug-lwp                   enable compilation of the LWP code with debugging information (defaults to disabled)],, enable_debug_lwp="no"
  80 )
  81 AC_ARG_ENABLE(optimize-lwp,
  82 [  --disable-optimize-lwp               disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
  83 )
  84 AC_ARG_ENABLE(debug-pam,
  85 [  --enable-debug-pam                   enable compilation of the PAM code with debugging information (defaults to disabled)],, enable_debug_pam="no"
  86 )
  87 AC_ARG_ENABLE(optimize-pam,
  88 [  --disable-optimize-pam               disable optimization for compilation of the PAM code (defaults to enabled)],, enable_optimize_pam="yes"
  89 )
  90
  91
  92 enable_login="no"
  93
  94 dnl weird ass systems
  95 AC_AIX
  96 AC_ISC_POSIX
  97 AC_MINIX
  98
  99 dnl Various compiler setup.
 100 AC_TYPE_PID_T
 101 AC_TYPE_SIZE_T
 102 AC_TYPE_SIGNAL
 103 COMPILER_HAS_FUNCTION_MACRO
 104
 105 dnl Checks for programs.
 106 AC_PROG_INSTALL
 107 AC_PROG_LN_S
 108 AC_PROG_RANLIB
 109 AC_PROG_YACC
 110 AM_PROG_LEX
 111
 112 OPENAFS_CHECK_BIGENDIAN
 113
 114 AC_MSG_CHECKING(your OS)
 115 system=$host
 116 case $system in
 117         *-linux*)
 118
 119                 MKAFS_OSTYPE=LINUX
 120                 if test "x$enable_redhat_buildsys" = "xyes"; then
 121                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 122                 fi
 123                 if test "x$enable_kernel_module" = "xyes"; then
 124                  if test "x$with_linux_kernel_headers" != "x"; then
 125                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 126                  else
 127                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 128                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 129                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 130                    fi
 131                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 132                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 133                    fi
 134                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 135                      LINUX_KERNEL_PATH="/usr/src/linux"
 136                    fi
 137                  fi
 138                if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
 139                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 140                  LINUX_VERSION="$linux_kvers"
 141                else
 142                  if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 143                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 144                   if test "x$linux_kvers" = "x"; then
 145                     if test -f "$LINUX_KERNEL_PATH/include/linux/version-up.h"; then
 146                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 147                       if test "x$linux_kvers" = "x"; then
 148
 149                         AC_MSG_ERROR(Linux headers lack version definition [2])
 150                         exit 1
 151                       else
 152                         LINUX_VERSION="$linux_kvers"
 153                       fi
 154                     else
 155                       AC_MSG_ERROR(Linux headers lack version definition)
 156                       exit 1
 157                     fi
 158                   else
 159                     LINUX_VERSION="$linux_kvers"
 160                   fi
 161                  else
 162                     enable_kernel_module="no"
 163                  fi
 164                fi
 165                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
 166                      enable_kernel_module="no"
 167                  fi
 168                  if test "x$enable_kernel_module" = "xno"; then
 169                   if test "x$with_linux_kernel_headers" != "x"; then
 170                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 171                    exit 1
 172                   else
 173                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 174                   fi
 175                  fi
 176                  dnl do we need to determine SUBARCH from autoconf.h
 177                  SUBARCH=default
 178                 fi
 179                 AC_MSG_RESULT(linux)
 180                 if test "x$enable_kernel_module" = "xyes"; then
 181                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 182                  if test "x${AFS_SYSKVERS}" = "x"; then
 183                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 184                  fi
 185                 fi
 186                 ;;
 187         *-solaris*)
 188                 MKAFS_OSTYPE=SOLARIS
 189                 AC_MSG_RESULT(sun4)
 190                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 191                 SOLARIS_PROC_HAS_P_COREFILE
 192                 SOLARIS_FS_HAS_FS_ROLLED
 193                 ;;
 194         *-sunos*)
 195                 MKAFS_OSTYPE=SUNOS
 196                 enable_kernel_module=no
 197                 AC_MSG_RESULT(sun4)
 198                 ;;
 199         *-hpux*)
 200                 MKAFS_OSTYPE=HPUX
 201                 AC_MSG_RESULT(hp_ux)
 202                 if test -f "/usr/old/usr/include/ndir.h"; then
 203                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 204                 fi
 205                 ;;
 206         *-irix*)
 207                 if test -d /usr/include/sys/SN/SN1; then
 208                  IRIX_BUILD_IP35="IP35"
 209                 fi
 210                 MKAFS_OSTYPE=IRIX
 211                 AC_MSG_RESULT(sgi)
 212                 ;;
 213         *-aix*)
 214                 MKAFS_OSTYPE=AIX
 215                 AC_MSG_RESULT(rs_aix)
 216                 ;;
 217         *-osf*)
 218                 MKAFS_OSTYPE=DUX
 219                 AC_MSG_RESULT(alpha_dux)
 220                 if test "x$enable_kernel_module" = "xyes"; then
 221                  if test "x$with_dux_kernel_headers" != "x"; then
 222                    HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 223                  else
 224                    HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 225                  fi
 226                 fi
 227                 if test "$HEADER_RT" = "*" ; then
 228                         AC_MSG_ERROR([Need a configured kernel directory])
 229                 fi
 230                 AC_SUBST([HEADER_RT])
 231                 ;;
 232         powerpc-*-darwin*)
 233                 MKAFS_OSTYPE=DARWIN
 234                 AC_MSG_RESULT(ppc_darwin)
 235                 ;;
 236         i386-*-darwin*)
 237                 MKAFS_OSTYPE=DARWIN
 238                 AC_MSG_RESULT(x86_darwin)
 239                 ;;
 240         *-freebsd*)
 241                 MKAFS_OSTYPE=FBSD
 242                 AC_MSG_RESULT(i386_fbsd)
 243                 ;;
 244         *-netbsd*)
 245                 MKAFS_OSTYPE=NBSD
 246                 AC_MSG_RESULT(nbsd)
 247                 ;;
 248         *-openbsd*)
 249                 MKAFS_OSTYPE=OBSD
 250                 AC_MSG_RESULT(i386_obsd)
 251                 ;;
 252         *)
 253                 AC_MSG_RESULT($system)
 254                 ;;
 255 esac
 256
 257 if test "x$with_afs_sysname" != "x"; then
 258         AFS_SYSNAME="$with_afs_sysname"
 259 else
 260         AC_MSG_CHECKING(your AFS sysname)
 261         case $host in
 262                 i?86-*-openbsd?.?)
 263                         v=${host#*openbsd}
 264                         vM=${v%.*}
 265                         vm=${v#*.}
 266                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 267                         ;;
 268                 sparc64-*-openbsd?.?)
 269                         v=${host#*openbsd}
 270                         vM=${v%.*}
 271                         vm=${v#*.}
 272                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 273                         ;;
 274                 i?86-*-freebsd?.*)
 275                         v=${host#*freebsd}
 276                         vM=${v%.*}
 277                         vm=${v#*.}
 278                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 279                         ;;
 280                 i?86-*-netbsd*1.5*)
 281                         AFS_PARAM_COMMON=param.nbsd15.h
 282                         AFS_SYSNAME="i386_nbsd15"
 283                         ;;
 284                 alpha-*-netbsd*1.5*)
 285                         AFS_PARAM_COMMON=param.nbsd15.h
 286                         AFS_SYSNAME="alpha_nbsd15"
 287                         ;;
 288                 i?86-*-netbsd*1.6[[M-Z]]*)
 289                         AFS_PARAM_COMMON=param.nbsd20.h
 290                         AFS_SYSNAME="i386_nbsd20"
 291                         ;;
 292                 powerpc-*-netbsd*1.6[[M-Z]]*)
 293                         AFS_PARAM_COMMON=param.nbsd20.h
 294                         AFS_SYSNAME="ppc_nbsd20"
 295                         ;;
 296                 i?86-*-netbsd*2.0*)
 297                         AFS_PARAM_COMMON=param.nbsd20.h
 298                         AFS_SYSNAME="i386_nbsd20"
 299                         ;;
 300                 amd64-*-netbsd*2.0*)
 301                         AFS_PARAM_COMMON=param.nbsd20.h
 302                         AFS_SYSNAME="amd64_nbsd20"
 303                         ;;
 304                 powerpc-*-netbsd*2.0*)
 305                         AFS_PARAM_COMMON=param.nbsd20.h
 306                         AFS_SYSNAME="ppc_nbsd20"
 307                         ;;
 308                 i?86-*-netbsd*1.6*)
 309                         AFS_PARAM_COMMON=param.nbsd16.h
 310                         AFS_SYSNAME="i386_nbsd16"
 311                         ;;
 312                 alpha-*-netbsd*1.6*)
 313                         AFS_PARAM_COMMON=param.nbsd16.h
 314                         AFS_SYSNAME="alpha_nbsd16"
 315                         ;;
 316                 powerpc-*-netbsd*1.6*)
 317                         AFS_PARAM_COMMON=param.nbsd16.h
 318                         AFS_SYSNAME="ppc_nbsd16"
 319                         ;;
 320                 i?86-*-netbsd*2.1*)
 321                         AFS_PARAM_COMMON=param.nbsd21.h
 322                         AFS_SYSNAME="i386_nbsd21"
 323                         ;;
 324                 i?86-*-netbsd*2.99*)
 325                         AFS_PARAM_COMMON=param.nbsd30.h
 326                         AFS_SYSNAME="i386_nbsd30"
 327                         ;;
 328                 i?86-*-netbsd*3.[[0-8]]*)
 329                         AFS_PARAM_COMMON=param.nbsd30.h
 330                         AFS_SYSNAME="i386_nbsd30"
 331                         ;;
 332                 i?86-*-netbsd*3.99*)
 333                         AFS_PARAM_COMMON=param.nbsd30.h
 334                         AFS_SYSNAME="i386_nbsd30"
 335                         ;;
 336                 i?86-*-netbsd*4.[[0-8]]*)
 337                         AFS_PARAM_COMMON=param.nbsd40.h
 338                         AFS_SYSNAME="i386_nbsd40"
 339                         ;;
 340                 i?86-*-netbsd*4.99*)
 341                         AFS_PARAM_COMMON=param.nbsd40.h
 342                         AFS_SYSNAME="i386_nbsd40"
 343                         ;;
 344                 hppa*-hp-hpux11.0*)
 345                         AFS_SYSNAME="hp_ux110"
 346                         ;;
 347                 hppa*-hp-hpux11.11)
 348                         AFS_SYSNAME="hp_ux11i"
 349                         ;;
 350                 ia64-hp-hpux11.22)
 351                         AFS_SYSNAME="ia64_hpux1122"
 352                         ;;
 353                 ia64-hp-hpux*)
 354                         AFS_SYSNAME="ia64_hpux1123"
 355                         ;;
 356                 hppa*-hp-hpux10*)
 357                         AFS_SYSNAME="hp_ux102"
 358                         ;;
 359                 powerpc-apple-darwin1.2*)
 360                         AFS_SYSNAME="ppc_darwin_12"
 361                         ;;
 362                 powerpc-apple-darwin1.3*)
 363                         AFS_SYSNAME="ppc_darwin_13"
 364                         ;;
 365                 powerpc-apple-darwin1.4*)
 366                         AFS_SYSNAME="ppc_darwin_14"
 367                         ;;
 368                 powerpc-apple-darwin5.1*)
 369                         AFS_SYSNAME="ppc_darwin_14"
 370                         ;;
 371                 powerpc-apple-darwin5.2*)
 372                         AFS_SYSNAME="ppc_darwin_14"
 373                         ;;
 374                 powerpc-apple-darwin5.3*)
 375                         AFS_SYSNAME="ppc_darwin_14"
 376                         ;;
 377                 powerpc-apple-darwin5.4*)
 378                         AFS_SYSNAME="ppc_darwin_14"
 379                         ;;
 380                 powerpc-apple-darwin5.5*)
 381                         AFS_SYSNAME="ppc_darwin_14"
 382                         ;;
 383                 powerpc-apple-darwin6.0*)
 384                         AFS_SYSNAME="ppc_darwin_60"
 385                         ;;
 386                 powerpc-apple-darwin6.1*)
 387                         AFS_SYSNAME="ppc_darwin_60"
 388                         ;;
 389                 powerpc-apple-darwin6.2*)
 390                         AFS_SYSNAME="ppc_darwin_60"
 391                         ;;
 392                 powerpc-apple-darwin6.3*)
 393                         AFS_SYSNAME="ppc_darwin_60"
 394                         ;;
 395                 powerpc-apple-darwin6.4*)
 396                         AFS_SYSNAME="ppc_darwin_60"
 397                         ;;
 398                 powerpc-apple-darwin6.5*)
 399                         AFS_SYSNAME="ppc_darwin_60"
 400                         ;;
 401                 powerpc-apple-darwin7.0*)
 402                         AFS_SYSNAME="ppc_darwin_70"
 403                         ;;
 404                 powerpc-apple-darwin7.1*)
 405                         AFS_SYSNAME="ppc_darwin_70"
 406                         ;;
 407                 powerpc-apple-darwin7.2*)
 408                         AFS_SYSNAME="ppc_darwin_70"
 409                         ;;
 410                 powerpc-apple-darwin7.3*)
 411                         AFS_SYSNAME="ppc_darwin_70"
 412                         ;;
 413                 powerpc-apple-darwin7.4*)
 414                         AFS_SYSNAME="ppc_darwin_70"
 415                         ;;
 416                 powerpc-apple-darwin7.5*)
 417                         AFS_SYSNAME="ppc_darwin_70"
 418                         ;;
 419                 powerpc-apple-darwin8.0*)
 420                         AFS_SYSNAME="ppc_darwin_80"
 421                         ;;
 422                 powerpc-apple-darwin8.*)
 423                         AFS_SYSNAME="ppc_darwin_80"
 424                         ;;
 425                 i386-apple-darwin8.*)
 426                         AFS_SYSNAME="x86_darwin_80"
 427                         ;;
 428                 powerpc-apple-darwin9.*)
 429                         AFS_SYSNAME="ppc_darwin_90"
 430                         ;;
 431                 i386-apple-darwin9.*)
 432                         AFS_SYSNAME="x86_darwin_90"
 433                         ;;
 434                 sparc-sun-solaris2.5*)
 435                         AFS_SYSNAME="sun4x_55"
 436                         enable_login="yes"
 437                         ;;
 438                 sparc-sun-solaris2.6)
 439                         AFS_SYSNAME="sun4x_56"
 440                         ;;
 441                 sparc-sun-solaris2.7)
 442                         AFS_SYSNAME="sun4x_57"
 443                         ;;
 444                 sparc-sun-solaris2.8)
 445                         AFS_SYSNAME="sun4x_58"
 446                         ;;
 447                 sparc-sun-solaris2.9)
 448                         AFS_SYSNAME="sun4x_59"
 449                         ;;
 450                 sparc-sun-solaris2.10)
 451                         AFS_SYSNAME="sun4x_510"
 452                         ;;
 453                 sparc-sun-solaris2.11)
 454                         AFS_SYSNAME="sun4x_511"
 455                         ;;
 456                 sparc-sun-sunos4*)
 457                         AFS_SYSNAME="sun4_413"
 458                         enable_login="yes"
 459                         ;;
 460                 i386-pc-solaris2.7)
 461                         AFS_SYSNAME="sunx86_57"
 462                         ;;
 463                 i386-pc-solaris2.8)
 464                         AFS_SYSNAME="sunx86_58"
 465                         ;;
 466                 i386-pc-solaris2.9)
 467                         AFS_SYSNAME="sunx86_59"
 468                         ;;
 469                 i386-pc-solaris2.10)
 470                         AFS_SYSNAME="sunx86_510"
 471                         ;;
 472                 i386-pc-solaris2.11)
 473                         AFS_SYSNAME="sunx86_511"
 474                         ;;
 475                 alpha*-dec-osf4.0*)
 476                         AFS_SYSNAME="alpha_dux40"
 477                         ;;
 478                 alpha*-dec-osf5.0*)
 479                         AFS_SYSNAME="alpha_dux50"
 480                         ;;
 481                 alpha*-dec-osf5.1*)
 482                         AFS_SYSNAME="alpha_dux51"
 483                         ;;
 484                 mips-sgi-irix6.5)
 485                         AFS_SYSNAME="sgi_65"
 486                         ;;
 487                 ia64-*-linux*)
 488                         AFS_SYSNAME="ia64_linuxXX"
 489                         ;;
 490                 powerpc-*-linux*)
 491                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 492                         ;;
 493                 powerpc64-*-linux*)
 494                         AFS_SYSNAME="ppc64_linuxXX"
 495                         ;;
 496                 alpha*-linux*)
 497                         AFS_SYSNAME="alpha_linux_XX"
 498                         ;;
 499                 s390-*-linux*)
 500                         AFS_SYSNAME="s390_linuxXX"
 501                         ;;
 502                 s390x-*-linux*)
 503                         AFS_SYSNAME="s390x_linuxXX"
 504                         ;;
 505                 sparc-*-linux*)
 506                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 507                         ;;
 508                 sparc64-*-linux*)
 509                         AFS_SYSNAME="sparc64_linuxXX"
 510                         ;;
 511                 i?86-*-linux*)
 512                         AFS_SYSNAME="i386_linuxXX"
 513                         ;;
 514                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 515                         AFS_SYSNAME="parisc_linuxXX"
 516                         enable_pam="no"
 517                         ;;
 518                 power*-ibm-aix4.2*)
 519                         AFS_SYSNAME="rs_aix42"
 520                         enable_pam="no"
 521                         ;;
 522                 power*-ibm-aix4.3*)
 523                         AFS_SYSNAME="rs_aix42"
 524                         enable_pam="no"
 525                         ;;
 526                 power*-ibm-aix5.1*)
 527                         AFS_SYSNAME="rs_aix51"
 528                         enable_pam="no"
 529                         ;;
 530                 power*-ibm-aix5.2*)
 531                         AFS_SYSNAME="rs_aix52"
 532                         enable_pam="no"
 533                         ;;
 534                 power*-ibm-aix5.3*)
 535                         AFS_SYSNAME="rs_aix53"
 536                         enable_pam="no"
 537                         ;;
 538                 x86_64-*-linux-gnu)
 539                         AFS_SYSNAME="amd64_linuxXX"
 540                         enable_pam="no"
 541                         ;;
 542                 *)
 543                         AC_MSG_ERROR(An AFS sysname is required)
 544                         exit 1
 545                         ;;
 546         esac
 547         case $AFS_SYSNAME in
 548                 *_linux* | *_umlinux*)
 549                         if test "x${AFS_SYSKVERS}" = "x"; then
 550                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 551                         fi
 552                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 553                         AFS_SYSNAME="$_AFS_SYSNAME"
 554                         save_CPPFLAGS="$CPPFLAGS"
 555                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 556                         AC_TRY_COMPILE(
 557                          [#include <linux/autoconf.h>],
 558                          [#ifndef CONFIG_USERMODE
 559                           #error not UML
 560                           #endif],
 561                          ac_cv_linux_is_uml=yes,)
 562                         if test "${ac_cv_linux_is_uml}" = yes; then
 563                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 564                         fi
 565                         CPPFLAGS="$save_CPPFLAGS"
 566                         AFS_SYSNAME="$_AFS_SYSNAME"
 567                         ;;
 568         esac
 569         AC_MSG_RESULT($AFS_SYSNAME)
 570 fi
 571
 572 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 573
 574                 # Add (sub-) architecture-specific paths needed by conftests
 575                 case $AFS_SYSNAME  in
 576                         *_umlinux26)
 577                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 578                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 579                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 580                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 581                 esac
 582
 583                 if test "x$enable_kernel_module" = "xyes"; then
 584                  if test "x$enable_debug_kernel" = "xno"; then
 585                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 586                  fi
 587                  OPENAFS_GCC_SUPPORTS_MARCH
 588                  AC_SUBST(P5PLUS_KOPTS)
 589                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 590                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 591                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 592                  OPENAFS_GCC_SUPPORTS_PIPE
 593                  AC_SUBST(LINUX_GCC_KOPTS)
 594                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 595                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 596                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 597                  )
 598
 599                  LINUX_KERNEL_COMPILE_WORKS
 600                  LINUX_CONFIG_H_EXISTS
 601                  LINUX_COMPLETION_H_EXISTS
 602                  LINUX_DEFINES_FOR_EACH_PROCESS
 603                  LINUX_DEFINES_PREV_TASK
 604                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 605                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 606                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 607                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 608                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 609                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 610                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 611                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 612                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 613                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 614                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 615                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 616                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 617                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 618                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 619                  LINUX_INODE_SETATTR_RETURN_TYPE
 620                  LINUX_WRITE_INODE_RETURN_TYPE
 621                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 622                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 623                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 624                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 625                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 626                  LINUX_AOP_WRITEBACK_CONTROL
 627                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 628                  LINUX_KERNEL_LINUX_SYSCALL_H
 629                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 630                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 631                  LINUX_KERNEL_SELINUX
 632                  LINUX_KERNEL_SOCK_CREATE
 633                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 634                  LINUX_NEED_RHCONFIG
 635                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 636                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 637                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 638                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 639                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 640                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 641                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 642                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 643                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 644                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 645                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 646                  LINUX_EXPORTS_TASKLIST_LOCK
 647                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 648                  LINUX_STATFS_TAKES_DENTRY
 649                  LINUX_FREEZER_H_EXISTS
 650                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 651                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 652                  fi
 653                  LINUX_REFRIGERATOR
 654                  LINUX_LINUX_KEYRING_SUPPORT
 655                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 656                  LINUX_DO_SYNC_READ
 657                  LINUX_GENERIC_FILE_AIO_READ
 658                  LINUX_INIT_WORK_HAS_DATA
 659                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 660                  LINUX_EXPORTS_SYS_CHDIR
 661                  LINUX_EXPORTS_SYS_CLOSE
 662                  LINUX_EXPORTS_SYS_OPEN
 663                  LINUX_EXPORTS_SYS_WAIT4
 664                  LINUX_WHICH_MODULES
 665                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 666                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 667                    ac_cv_linux_exports_sys_call_table=no
 668                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 669                      ac_cv_linux_exports_ia32_sys_call_table=yes
 670                    fi
 671                  else
 672                    LINUX_EXPORTS_INIT_MM
 673                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 674                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 675                    LINUX_EXPORTS_SYS_CALL_TABLE
 676                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 677                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 678                          linux_syscall_method=none
 679                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 680                             linux_syscall_method=scan
 681                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 682                                linux_syscall_method=scan_with_kallsyms_address
 683                             fi
 684                          fi
 685                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 686                             linux_syscall_method=kallsyms_symbol
 687                          fi
 688                          if test "x$linux_syscall_method" = "xnone"; then
 689                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 690                             linux_syscall_method=scan
 691                          fi
 692                    fi
 693                  fi
 694                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 695                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 696                  fi
 697                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 698                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 699                  fi
 700                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 701                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 702                  fi
 703                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
 704                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
 705                  fi
 706                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
 707                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
 708                  fi
 709                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
 710                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
 711                  fi
 712                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
 713                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
 714                  fi
 715                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
 716                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
 717                  fi
 718                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
 719                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
 720                  fi
 721                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 722                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
 723                  fi
 724                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 725                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
 726                  fi
 727                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
 728                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
 729                  fi
 730                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
 731                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
 732                  fi
 733                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
 734                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
 735                  fi
 736                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
 737                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
 738                  fi
 739                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
 740                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
 741                  fi
 742                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
 743                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
 744                  fi
 745                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
 746                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
 747                  fi
 748                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
 749                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
 750                  fi
 751                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
 752                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
 753                  fi
 754                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
 755                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
 756                  fi
 757                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
 758                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
 759                  fi
 760                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
 761                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
 762                  fi
 763                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
 764                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
 765                  fi
 766                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
 767                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
 768                  fi
 769                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
 770                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
 771                  fi
 772                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
 773                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
 774                  fi
 775                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
 776                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
 777                  fi
 778                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
 779                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
 780                  fi
 781                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
 782                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
 783                  fi
 784                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
 785                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
 786                  fi
 787                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
 788                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
 789                  fi
 790                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
 791                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
 792                  fi
 793                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
 794                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
 795                  fi
 796                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
 797                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
 798                  fi
 799                  if test "x$ac_linux_syscall" = "xyes" ; then
 800                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
 801                  fi
 802                  if test "x$ac_linux_seq_file" = "xyes" ; then
 803                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
 804                  fi
 805                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
 806                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
 807                  fi
 808                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
 809                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
 810                  fi
 811                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
 812                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
 813                  fi
 814                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
 815                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
 816                  fi
 817                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
 818                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
 819                  fi
 820                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
 821                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
 822                  fi
 823                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
 824                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
 825                  fi
 826                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
 827                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
 828                  fi
 829                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
 830                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
 831                  fi
 832                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
 833                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
 834                  fi
 835                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
 836                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
 837                  fi
 838                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
 839                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
 840                  fi
 841                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
 842                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
 843                  fi
 844                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
 845                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
 846                  fi
 847                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
 848                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
 849                  fi
 850                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
 851                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
 852                  fi
 853                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
 854                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
 855                  fi
 856                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
 857                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
 858                  fi
 859                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
 860                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
 861                  fi
 862                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
 863                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
 864                  fi
 865                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
 866                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
 867                  fi
 868                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
 869                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
 870                  fi
 871                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 872                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 873                  else
 874                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 875                  fi
 876                 :
 877                 fi
 878 esac
 879
 880 case $AFS_SYSNAME in
 881         *_darwin*)
 882                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 883                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 884                 dnl the test below fails on darwin, even if the CPPFLAGS below
 885                 dnl are added. the headers from Kernel.framework must be used
 886                 dnl when KERNEL is defined.
 887
 888                 dnl really, such a thing isn't guaranteed to work on any
 889                 dnl platform until the kernel cflags from MakefileProto are
 890                 dnl known to configure
 891                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 892                 ;;
 893         *)
 894 AC_MSG_CHECKING(for definition of struct buf)
 895 dnl save_CPPFLAGS="$CPPFLAGS"
 896 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
 897 AC_CACHE_VAL(ac_cv_have_struct_buf, [
 898         ac_cv_have_struct_buf=no
 899         AC_TRY_COMPILE(
 900                 [#include <sys/buf.h>],
 901                 [struct buf x;
 902                 printf("%d\n", sizeof(x));],
 903                 ac_cv_have_struct_buf=yes,)
 904         ]
 905 )
 906 dnl CPPFLAGS="$save_CPPFLAGS"
 907 AC_MSG_RESULT($ac_cv_have_struct_buf)
 908 if test "$ac_cv_have_struct_buf" = yes; then
 909         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 910 fi
 911 ;;
 912 esac
 913
 914
 915 AC_CACHE_VAL(ac_cv_sockaddr_len,
 916 [
 917 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
 918 AC_TRY_COMPILE( [#include <sys/types.h>
 919 #include <sys/socket.h>],
 920 [struct sockaddr *a;
 921 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
 922 AC_MSG_RESULT($ac_cv_sockaddr_len)])
 923 if test "$ac_cv_sockaddr_len" = "yes"; then
 924    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
 925 fi
 926 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 927         echo Skipping library tests because they confuse Irix.
 928 else
 929   AC_CHECK_FUNCS(socket)
 930
 931   if test "$ac_cv_func_socket" = no; then
 932     for lib in socket inet; do
 933         if test "$HAVE_SOCKET" != 1; then
 934                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
 935         fi
 936     done
 937   fi
 938
 939   AC_CHECK_FUNCS(connect)
 940
 941   if test "$ac_cv_func_connect" = no; then
 942     for lib in nsl; do
 943         if test "$HAVE_CONNECT" != 1; then
 944                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
 945         fi
 946     done
 947   fi
 948
 949   AC_CHECK_FUNCS(gethostbyname)
 950   if test "$ac_cv_func_gethostbyname" = no; then
 951         for lib in dns nsl resolv; do
 952           if test "$HAVE_GETHOSTBYNAME" != 1; then
 953             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
 954           fi
 955         done
 956   fi
 957
 958   dnl darwin wants it, aix hates it
 959   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
 960   AC_TRY_COMPILE([
 961   #include <stdlib.h>
 962   #include <stdio.h>
 963   #include <sys/types.h>
 964   #include <sys/socket.h>
 965   #include <netinet/in.h>
 966   #include <arpa/inet.h>
 967   #include <arpa/nameser.h>
 968   #include <arpa/nameser_compat.h>
 969   #include <resolv.h>
 970   ], [static int i; i = 0;],
 971   [AC_MSG_RESULT(yes)
 972    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
 973   [AC_MSG_RESULT(no)
 974    ])
 975
 976   openafs_save_libs="$LIBS"
 977   AC_MSG_CHECKING([for res_search])
 978   AC_FUNC_RES_SEARCH
 979
 980   if test "$ac_cv_func_res_search" = no; then
 981       for lib in dns nsl resolv; do
 982         if test "$ac_cv_func_res_search" != yes; then
 983           LIBS="-l$lib $LIBS"
 984           AC_FUNC_RES_SEARCH
 985           LIBS="$openafs_save_libs"
 986         fi
 987       done
 988       if test "$ac_cv_func_res_search" = yes; then
 989         LIB_res_search="-l$lib"
 990         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
 991         AC_MSG_RESULT([yes, in lib$lib])
 992       else
 993         AC_MSG_RESULT(no)
 994       fi
 995   else
 996     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
 997     AC_MSG_RESULT(yes)
 998   fi
 999
1000 fi
1001
1002 PTHREAD_LIBS=error
1003 if test "x$MKAFS_OSTYPE" = OBSD; then
1004         PTHREAD_LIBS="-pthread"
1005 fi
1006 if test "x$PTHREAD_LIBS" = xerror; then
1007         AC_CHECK_LIB(pthread, pthread_attr_init,
1008                 PTHREAD_LIBS="-lpthread")
1009 fi
1010 if test "x$PTHREAD_LIBS" = xerror; then
1011         AC_CHECK_LIB(pthreads, pthread_attr_init,
1012                 PTHREAD_LIBS="-lpthreads")
1013 fi
1014 if test "x$PTHREAD_LIBS" = xerror; then
1015         AC_CHECK_LIB(c_r, pthread_attr_init,
1016                 PTHREAD_LIBS="-lc_r")
1017 fi
1018 if test "x$PTHREAD_LIBS" = xerror; then
1019         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1020 fi
1021 if test "x$PTHREAD_LIBS" = xerror; then
1022         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1023         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1024                 PTHREAD_LIBS="-lpthread")
1025 fi
1026 if test "x$PTHREAD_LIBS" = xerror; then
1027         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1028 fi
1029 AC_SUBST(PTHREAD_LIBS)
1030
1031 WITH_OBSOLETE=NO
1032 if test "$enable_obsolete" = "yes"; then
1033         WITH_OBSOLETE=YES
1034 fi
1035
1036 HOST_CPU="$host_cpu"
1037
1038 if test "x$with_bsd_kernel_headers" != "x"; then
1039         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1040 else
1041         BSD_KERNEL_PATH="/usr/src/sys"
1042 fi
1043
1044 if test "x$with_bsd_kernel_build" != "x"; then
1045         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1046 else
1047         case $AFS_SYSNAME in
1048                 *_fbsd_4?)
1049                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1050                         ;;
1051                 *_fbsd_*)
1052                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1053                         ;;
1054         esac
1055 fi
1056
1057 # Fast restart
1058 if test "$enable_supergroups" = "yes"; then
1059         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1060 fi
1061
1062 if test "$enable_fast_restart" = "yes"; then
1063         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1064 fi
1065
1066 if test "$enable_bitmap_later" = "yes"; then
1067         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1068 fi
1069
1070 if test "$enable_demand_attach_fs" = "yes"; then
1071         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1072         DEMAND_ATTACH="yes"
1073 else
1074         DEMAND_ATTACH="no"
1075 fi
1076 AC_SUBST(DEMAND_ATTACH)
1077
1078 if test "$enable_unix_sockets" = "yes"; then
1079         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1080         USE_UNIX_SOCKETS="yes"
1081 else
1082         USE_UNIX_SOCKETS="no"
1083 fi
1084 AC_SUBST(USE_UNIX_SOCKETS)
1085
1086 if test "$enable_fast_restart" = "yes" &&
1087    test "$enable_demand_attach_fs" = "yes" ; then
1088         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1089         exit 1
1090 fi
1091
1092 if test "$enable_full_vos_listvol_switch" = "yes"; then
1093         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1094 fi
1095
1096 if test "$enable_bos_restricted_mode" = "yes"; then
1097         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1098 fi
1099
1100 if test "$enable_bos_new_config" = "yes"; then
1101         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1102 fi
1103
1104 if test "$enable_largefile_fileserver" = "yes"; then
1105         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1106 fi
1107
1108 if test "$enable_namei_fileserver" = "yes"; then
1109         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1110 fi
1111
1112 if test "$enable_afsdb" = "yes"; then
1113         LIB_AFSDB="$LIB_res_search"
1114         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1115 fi
1116
1117 dnl check for tivoli
1118 AC_MSG_CHECKING(for tivoli tsm butc support)
1119 XBSA_CFLAGS=""
1120 if test "$enable_tivoli_tsm" = "yes"; then
1121         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1122         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1123
1124         if test -r "$XBSADIR1/xbsa.h"; then
1125                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1126                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1127         elif test -r "$XBSADIR2/xbsa.h"; then
1128                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1129                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1130         else
1131                 AC_MSG_RESULT([no, missing xbsa.h header file])
1132         fi
1133 else
1134         AC_MSG_RESULT([no])
1135 fi
1136 AC_SUBST(XBSA_CFLAGS)
1137
1138 dnl checks for header files.
1139 AC_HEADER_STDC
1140 AC_HEADER_SYS_WAIT
1141 AC_HEADER_DIRENT
1142 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h)
1143 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1144 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1145 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
1146 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1147 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1148
1149 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1150         HAVE_PAM="yes"
1151 else
1152         HAVE_PAM="no"
1153 fi
1154 AC_SUBST(HAVE_PAM)
1155
1156 if test "$enable_login" = yes; then
1157         BUILD_LOGIN="yes"
1158 else
1159         BUILD_LOGIN="no"
1160 fi
1161 AC_SUBST(BUILD_LOGIN)
1162
1163 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1164 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1165 AC_CHECK_FUNCS(setvbuf)
1166 AC_FUNC_SETVBUF_REVERSED
1167 AC_CHECK_FUNCS(regcomp regexec regerror)
1168 AC_MSG_CHECKING([for POSIX regex library])
1169 if test "$ac_cv_header_regex_h" = "yes" && \
1170         test "$ac_cv_func_regcomp" = "yes" && \
1171         test "$ac_cv_func_regexec" = "yes" && \
1172         test "$ac_cv_func_regerror" = "yes"; then
1173     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1174     AC_MSG_RESULT(yes)
1175 else
1176     AC_MSG_RESULT(no)
1177 fi
1178
1179 AC_CHECK_TYPE(ssize_t, int)
1180 AC_SIZEOF_TYPE(long)
1181
1182 AC_MSG_CHECKING(size of time_t)
1183 AC_CACHE_VAL(ac_cv_sizeof_time_t,
1184 [AC_TRY_RUN([#include <stdio.h>
1185 #include <time.h>
1186 main()
1187 {
1188   FILE *f=fopen("conftestval", "w");
1189   if (!f) exit(1);
1190   fprintf(f, "%d\n", sizeof(time_t));
1191   exit(0);
1192 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
1193 ])
1194 AC_MSG_RESULT($ac_cv_sizeof_time_t)
1195 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
1196
1197 AC_CHECK_FUNCS(timegm)
1198 AC_CHECK_FUNCS(daemon)
1199
1200 dnl Directory PATH handling
1201 if test "x$enable_transarc_paths" = "xyes"  ; then
1202     afsconfdir=${afsconfdir=/usr/afs/etc}
1203     viceetcdir=${viceetcdir=/usr/vice/etc}
1204     afskerneldir=${afskerneldir=${viceetcdir}}
1205     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1206     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1207     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1208     afsdbdir=${afsdbdir=/usr/afs/db}
1209     afslogsdir=${afslogsdir=/usr/afs/logs}
1210     afslocaldir=${afslocaldir=/usr/afs/local}
1211     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1212     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1213 else
1214     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1215     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1216     afskerneldir=${afskerneldir='${libdir}/openafs'}
1217     afssrvbindir=${afssrvbindir='${bindir}'}
1218     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1219     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1220     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1221     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1222     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1223     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1224     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1225 fi
1226 AC_SUBST(afsconfdir)
1227 AC_SUBST(viceetcdir)
1228 AC_SUBST(afskerneldir)
1229 AC_SUBST(afssrvbindir)
1230 AC_SUBST(afssrvsbindir)
1231 AC_SUBST(afssrvlibexecdir)
1232 AC_SUBST(afsdbdir)
1233 AC_SUBST(afslogsdir)
1234 AC_SUBST(afslocaldir)
1235 AC_SUBST(afsbackupdir)
1236 AC_SUBST(afsbosconfigdir)
1237
1238 if test "x$enable_kernel_module" = "xyes"; then
1239 ENABLE_KERNEL_MODULE=libafs
1240 fi
1241
1242 AC_SUBST(AFS_SYSNAME)
1243 AC_SUBST(AFS_PARAM_COMMON)
1244 AC_SUBST(ENABLE_KERNEL_MODULE)
1245 AC_SUBST(LIB_AFSDB)
1246 AC_SUBST(LINUX_KERNEL_PATH)
1247 AC_SUBST(HOST_CPU)
1248 AC_SUBST(BSD_KERNEL_PATH)
1249 AC_SUBST(BSD_KERNEL_BUILD)
1250 AC_SUBST(LINUX_VERSION)
1251 AC_SUBST(MKAFS_OSTYPE)
1252 AC_SUBST(TOP_OBJDIR)
1253 AC_SUBST(TOP_SRCDIR)
1254 AC_SUBST(TOP_INCDIR)
1255 AC_SUBST(TOP_LIBDIR)
1256 AC_SUBST(DEST)
1257 AC_SUBST(WITH_OBSOLETE)
1258 AC_SUBST(DARWIN_INFOFILE)
1259 AC_SUBST(IRIX_BUILD_IP35)
1260
1261 OPENAFS_OSCONF
1262 OPENAFS_KRB5CONF
1263
1264 TOP_SRCDIR="${srcdir}/src"
1265 dnl
1266 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1267 dnl
1268 case $TOP_SRCDIR in
1269         /*)
1270                 ;;
1271         *)
1272                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1273                 ;;
1274 esac
1275
1276 TOP_OBJDIR="${SRCDIR_PARENT}"
1277 TOP_INCDIR="${SRCDIR_PARENT}/include"
1278 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1279 if test "${DEST}x" = "x"; then
1280         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1281 fi
1282
1283 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1284 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1285 AC_SUBST(HELPER_SPLINT)
1286 AC_SUBST(HELPER_SPLINTCFG)
1287
1288 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1289
1290 ])