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
  13 AC_ARG_WITH(afs-sysname,
  14 [  --with-afs-sysname=sys    use sys for the afs sysname]
  15 )
  16 AC_ARG_ENABLE( afsdb,
  17 [  --disable-afsdb                      disable AFSDB DNS RR support],, enable_afsdb="yes")
  18 AC_ARG_ENABLE( pam,
  19 [  --disable-pam                        disable PAM support],, enable_pam="yes")
  20 AC_ARG_ENABLE( bos-restricted-mode,
  21 [  --enable-bos-restricted-mode         enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
  22 AC_ARG_ENABLE( bos-new-config,
  23 [  --enable-bos-new-config              enable bosserver pickup of BosConfig.new on restarts],, enable_bos_new_config="no")
  24 AC_ARG_ENABLE( largefile-fileserver,
  25 [  --disable-largefile-fileserver       disable large file support in fileserver],, enable_largefile_fileserver="yes")
  26 AC_ARG_ENABLE( namei-fileserver,
  27 [  --enable-namei-fileserver            force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
  28 AC_ARG_ENABLE( supergroups,
  29 [  --enable-supergroups                 enable support for nested pts groups],, enable_supergroups="no")
  30 AC_ARG_ENABLE( fast-restart,
  31 [  --enable-fast-restart                enable fast startup of file server without salvaging],, enable_fast_restart="no")
  32 AC_ARG_ENABLE( bitmap-later,
  33 [  --enable-bitmap-later                enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
  34 AC_ARG_ENABLE( demand-attach-fs,
  35 [  --enable-demand-attach-fs            enable Demand Attach Fileserver (please see documentation)],, enable_demand_attach_fs="no")
  36 AC_ARG_ENABLE( unix-sockets,
  37 [  --enable-unix-sockets                enable use of unix domain sockets for fssync],, enable_unix_sockets="yes")
  38 AC_ARG_ENABLE( full-vos-listvol-switch,
  39 [  --disable-full-vos-listvol-switch    disable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="yes")
  40 AC_ARG_WITH(dux-kernel-headers,
  41 [  --with-dux-kernel-headers=path       use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
  42 )
  43 AC_ARG_WITH(linux-kernel-headers,
  44 [  --with-linux-kernel-headers=path     use the kernel headers found at path(optional, defaults to /usr/src/linux-2.4, then /usr/src/linux)]
  45 )
  46 AC_ARG_WITH(bsd-kernel-headers,
  47 [  --with-bsd-kernel-headers=path       use the kernel headers found at path(optional, defaults to /usr/src/sys)]
  48 )
  49 AC_ARG_WITH(bsd-kernel-build,
  50 [  --with-bsd-kernel-build=path         use the kernel build found at path(optional, defaults to KSRC/i386/compile/GENERIC)]
  51 )
  52 AC_ARG_ENABLE(kernel-module,
  53 [  --disable-kernel-module              disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
  54 )
  55 AC_ARG_ENABLE(redhat-buildsys,
  56 [  --enable-redhat-buildsys             enable compilation of the redhat build system kernel (defaults to disabled)],, enable_redhat_buildsys="no"
  57 )
  58 AC_ARG_ENABLE(transarc-paths,
  59 [  --enable-transarc-paths                      Use Transarc style paths like /usr/afs and /usr/vice],, enable_transarc_paths="no"
  60 )
  61 AC_ARG_ENABLE(tivoli-tsm,
  62 [  --enable-tivoli-tsm                  Enable use of the Tivoli TSM API libraries for butc support],, enable_tivoli_tsm="no"
  63 )
  64 AC_ARG_ENABLE(debug-kernel,
  65 [  --enable-debug-kernel                enable compilation of the kernel module with debugging information (defaults to disabled)],, enable_debug_kernel="no"
  66 )
  67 AC_ARG_ENABLE(optimize-kernel,
  68 [  --disable-optimize-kernel            disable compilation of the kernel module with optimization (defaults based on platform)],, enable_optimize_kernel="yes"
  69 )
  70 AC_ARG_ENABLE(debug,
  71 [  --enable-debug                       enable compilation of the user space code with debugging information (defaults to disabled)],, enable_debug="no"
  72 )
  73 AC_ARG_ENABLE(optimize,
  74 [  --disable-optimize                   disable optimization for compilation of the user space code (defaults to enabled)],, enable_optimize="yes"
  75 )
  76 AC_ARG_ENABLE(debug-lwp,
  77 [  --enable-debug-lwp                   enable compilation of the LWP code with debugging information (defaults to disabled)],, enable_debug_lwp="no"
  78 )
  79 AC_ARG_ENABLE(optimize-lwp,
  80 [  --disable-optimize-lwp               disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
  81 )
  82 AC_ARG_ENABLE(debug-pam,
  83 [  --enable-debug-pam                   enable compilation of the PAM code with debugging information (defaults to disabled)],, enable_debug_pam="no"
  84 )
  85 AC_ARG_ENABLE(optimize-pam,
  86 [  --disable-optimize-pam               disable optimization for compilation of the PAM code (defaults to enabled)],, enable_optimize_pam="yes"
  87 )
  88
  89
  90 enable_login="no"
  91
  92 dnl weird ass systems
  93 AC_AIX
  94 AC_ISC_POSIX
  95 AC_MINIX
  96
  97 dnl Various compiler setup.
  98 AC_TYPE_PID_T
  99 AC_TYPE_SIZE_T
 100 AC_TYPE_SIGNAL
 101 COMPILER_HAS_FUNCTION_MACRO
 102
 103 dnl Checks for programs.
 104 AC_PROG_INSTALL
 105 AC_PROG_LN_S
 106 AC_PROG_RANLIB
 107 AC_PROG_YACC
 108 AM_PROG_LEX
 109
 110 OPENAFS_CHECK_BIGENDIAN
 111
 112 AC_MSG_CHECKING(your OS)
 113 system=$host
 114 case $system in
 115         *-linux*)
 116
 117                 MKAFS_OSTYPE=LINUX
 118                 if test "x$enable_redhat_buildsys" = "xyes"; then
 119                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 120                 fi
 121                 if test "x$enable_kernel_module" = "xyes"; then
 122                  if test "x$with_linux_kernel_headers" != "x"; then
 123                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 124                  else
 125                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 126                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 127                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 128                    fi
 129                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 130                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 131                    fi
 132                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 133                      LINUX_KERNEL_PATH="/usr/src/linux"
 134                    fi
 135                  fi
 136                if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
 137                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 138                  LINUX_VERSION="$linux_kvers"
 139                else
 140                  if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 141                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 142                   if test "x$linux_kvers" = "x"; then
 143                     if test -f "$LINUX_KERNEL_PATH/include/linux/version-up.h"; then
 144                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 145                       if test "x$linux_kvers" = "x"; then
 146
 147                         AC_MSG_ERROR(Linux headers lack version definition [2])
 148                         exit 1
 149                       else
 150                         LINUX_VERSION="$linux_kvers"
 151                       fi
 152                     else
 153                       AC_MSG_ERROR(Linux headers lack version definition)
 154                       exit 1
 155                     fi
 156                   else
 157                     LINUX_VERSION="$linux_kvers"
 158                   fi
 159                  else
 160                     enable_kernel_module="no"
 161                  fi
 162                fi
 163                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
 164                      enable_kernel_module="no"
 165                  fi
 166                  if test "x$enable_kernel_module" = "xno"; then
 167                   if test "x$with_linux_kernel_headers" != "x"; then
 168                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 169                    exit 1
 170                   else
 171                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 172                   fi
 173                  fi
 174                  dnl do we need to determine SUBARCH from autoconf.h
 175                  SUBARCH=default
 176                 fi
 177                 AC_MSG_RESULT(linux)
 178                 if test "x$enable_kernel_module" = "xyes"; then
 179                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 180                  if test "x${AFS_SYSKVERS}" = "x"; then
 181                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 182                  fi
 183                 fi
 184                 ;;
 185         *-solaris*)
 186                 MKAFS_OSTYPE=SOLARIS
 187                 AC_MSG_RESULT(sun4)
 188                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 189                 SOLARIS_PROC_HAS_P_COREFILE
 190                 SOLARIS_FS_HAS_FS_ROLLED
 191                 ;;
 192         *-sunos*)
 193                 MKAFS_OSTYPE=SUNOS
 194                 enable_kernel_module=no
 195                 AC_MSG_RESULT(sun4)
 196                 ;;
 197         *-hpux*)
 198                 MKAFS_OSTYPE=HPUX
 199                 AC_MSG_RESULT(hp_ux)
 200                 if test -f "/usr/old/usr/include/ndir.h"; then
 201                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 202                 fi
 203                 ;;
 204         *-irix*)
 205                 if test -d /usr/include/sys/SN/SN1; then
 206                  IRIX_BUILD_IP35="IP35"
 207                 fi
 208                 MKAFS_OSTYPE=IRIX
 209                 AC_MSG_RESULT(sgi)
 210                 ;;
 211         *-aix*)
 212                 MKAFS_OSTYPE=AIX
 213                 AC_MSG_RESULT(rs_aix)
 214                 ;;
 215         *-osf*)
 216                 MKAFS_OSTYPE=DUX
 217                 AC_MSG_RESULT(alpha_dux)
 218                 ;;
 219         powerpc-*-darwin*)
 220                 MKAFS_OSTYPE=DARWIN
 221                 AC_MSG_RESULT(ppc_darwin)
 222                 ;;
 223         i386-*-darwin*)
 224                 MKAFS_OSTYPE=DARWIN
 225                 AC_MSG_RESULT(x86_darwin)
 226                 ;;
 227         *-freebsd*)
 228                 MKAFS_OSTYPE=FBSD
 229                 AC_MSG_RESULT(i386_fbsd)
 230                 ;;
 231         *-netbsd*)
 232                 MKAFS_OSTYPE=NBSD
 233                 AC_MSG_RESULT(nbsd)
 234                 ;;
 235         *-openbsd*)
 236                 MKAFS_OSTYPE=OBSD
 237                 AC_MSG_RESULT(i386_obsd)
 238                 ;;
 239         *)
 240                 AC_MSG_RESULT($system)
 241                 ;;
 242 esac
 243
 244 if test "x$with_afs_sysname" != "x"; then
 245         AFS_SYSNAME="$with_afs_sysname"
 246 else
 247         AC_MSG_CHECKING(your AFS sysname)
 248         case $host in
 249                 i?86-*-openbsd?.?)
 250                         v=${host#*openbsd}
 251                         vM=${v%.*}
 252                         vm=${v#*.}
 253                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 254                         ;;
 255                 sparc64-*-openbsd?.?)
 256                         v=${host#*openbsd}
 257                         vM=${v%.*}
 258                         vm=${v#*.}
 259                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 260                         ;;
 261                 i?86-*-freebsd?.*)
 262                         v=${host#*freebsd}
 263                         vM=${v%.*}
 264                         vm=${v#*.}
 265                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 266                         ;;
 267                 i?86-*-netbsd*1.5*)
 268                         AFS_SYSNAME="i386_nbsd15"
 269                         ;;
 270                 alpha-*-netbsd*1.5*)
 271                         AFS_SYSNAME="alpha_nbsd15"
 272                         ;;
 273                 i?86-*-netbsd*1.6[[M-Z]]*)
 274                         AFS_SYSNAME="i386_nbsd20"
 275                         ;;
 276                 powerpc-*-netbsd*1.6[[M-Z]]*)
 277                         AFS_SYSNAME="ppc_nbsd20"
 278                         ;;
 279                 i?86-*-netbsd*2.0*)
 280                         AFS_SYSNAME="i386_nbsd20"
 281                         ;;
 282                 amd64-*-netbsd*2.0*)
 283                         AFS_SYSNAME="amd64_nbsd20"
 284                         ;;
 285                 powerpc-*-netbsd*2.0*)
 286                         AFS_SYSNAME="ppc_nbsd20"
 287                         ;;
 288                 i?86-*-netbsd*1.6*)
 289                         AFS_SYSNAME="i386_nbsd16"
 290                         ;;
 291                 alpha-*-netbsd*1.6*)
 292                         AFS_SYSNAME="alpha_nbsd16"
 293                         ;;
 294                 powerpc-*-netbsd*1.6*)
 295                         AFS_SYSNAME="ppc_nbsd16"
 296                         ;;
 297                 i?86-*-netbsd*2.1*)
 298                         AFS_SYSNAME="i386_nbsd21"
 299                         ;;
 300                 i?86-*-netbsd*2.99*)
 301                         AFS_SYSNAME="i386_nbsd30"
 302                         ;;
 303                 i?86-*-netbsd*3.[[0-8]]*)
 304                         AFS_SYSNAME="i386_nbsd30"
 305                         ;;
 306                 i?86-*-netbsd*3.99*)
 307                         AFS_SYSNAME="i386_nbsd30"
 308                         ;;
 309                 i?86-*-netbsd*4.[[0-8]]*)
 310                         AFS_SYSNAME="i386_nbsd40"
 311                         ;;
 312                 i?86-*-netbsd*4.99*)
 313                         AFS_SYSNAME="i386_nbsd40"
 314                         ;;
 315                 hppa*-hp-hpux11.0*)
 316                         AFS_SYSNAME="hp_ux110"
 317                         ;;
 318                 hppa*-hp-hpux11.11)
 319                         AFS_SYSNAME="hp_ux11i"
 320                         ;;
 321                 ia64-hp-hpux11.22)
 322                         AFS_SYSNAME="ia64_hpux1122"
 323                         ;;
 324                 ia64-hp-hpux*)
 325                         AFS_SYSNAME="ia64_hpux1123"
 326                         ;;
 327                 hppa*-hp-hpux10*)
 328                         AFS_SYSNAME="hp_ux102"
 329                         ;;
 330                 powerpc-apple-darwin1.2*)
 331                         AFS_SYSNAME="ppc_darwin_12"
 332                         ;;
 333                 powerpc-apple-darwin1.3*)
 334                         AFS_SYSNAME="ppc_darwin_13"
 335                         ;;
 336                 powerpc-apple-darwin1.4*)
 337                         AFS_SYSNAME="ppc_darwin_14"
 338                         ;;
 339                 powerpc-apple-darwin5.1*)
 340                         AFS_SYSNAME="ppc_darwin_14"
 341                         ;;
 342                 powerpc-apple-darwin5.2*)
 343                         AFS_SYSNAME="ppc_darwin_14"
 344                         ;;
 345                 powerpc-apple-darwin5.3*)
 346                         AFS_SYSNAME="ppc_darwin_14"
 347                         ;;
 348                 powerpc-apple-darwin5.4*)
 349                         AFS_SYSNAME="ppc_darwin_14"
 350                         ;;
 351                 powerpc-apple-darwin5.5*)
 352                         AFS_SYSNAME="ppc_darwin_14"
 353                         ;;
 354                 powerpc-apple-darwin6.0*)
 355                         AFS_SYSNAME="ppc_darwin_60"
 356                         ;;
 357                 powerpc-apple-darwin6.1*)
 358                         AFS_SYSNAME="ppc_darwin_60"
 359                         ;;
 360                 powerpc-apple-darwin6.2*)
 361                         AFS_SYSNAME="ppc_darwin_60"
 362                         ;;
 363                 powerpc-apple-darwin6.3*)
 364                         AFS_SYSNAME="ppc_darwin_60"
 365                         ;;
 366                 powerpc-apple-darwin6.4*)
 367                         AFS_SYSNAME="ppc_darwin_60"
 368                         ;;
 369                 powerpc-apple-darwin6.5*)
 370                         AFS_SYSNAME="ppc_darwin_60"
 371                         ;;
 372                 powerpc-apple-darwin7.0*)
 373                         AFS_SYSNAME="ppc_darwin_70"
 374                         ;;
 375                 powerpc-apple-darwin7.1*)
 376                         AFS_SYSNAME="ppc_darwin_70"
 377                         ;;
 378                 powerpc-apple-darwin7.2*)
 379                         AFS_SYSNAME="ppc_darwin_70"
 380                         ;;
 381                 powerpc-apple-darwin7.3*)
 382                         AFS_SYSNAME="ppc_darwin_70"
 383                         ;;
 384                 powerpc-apple-darwin7.4*)
 385                         AFS_SYSNAME="ppc_darwin_70"
 386                         ;;
 387                 powerpc-apple-darwin7.5*)
 388                         AFS_SYSNAME="ppc_darwin_70"
 389                         ;;
 390                 powerpc-apple-darwin8.0*)
 391                         AFS_SYSNAME="ppc_darwin_80"
 392                         ;;
 393                 powerpc-apple-darwin8.*)
 394                         AFS_SYSNAME="ppc_darwin_80"
 395                         ;;
 396                 i386-apple-darwin8.*)
 397                         AFS_SYSNAME="x86_darwin_80"
 398                         ;;
 399                 powerpc-apple-darwin9.*)
 400                         AFS_SYSNAME="ppc_darwin_90"
 401                         ;;
 402                 i386-apple-darwin9.*)
 403                         AFS_SYSNAME="x86_darwin_90"
 404                         ;;
 405                 sparc-sun-solaris2.5*)
 406                         AFS_SYSNAME="sun4x_55"
 407                         enable_login="yes"
 408                         ;;
 409                 sparc-sun-solaris2.6)
 410                         AFS_SYSNAME="sun4x_56"
 411                         ;;
 412                 sparc-sun-solaris2.7)
 413                         AFS_SYSNAME="sun4x_57"
 414                         ;;
 415                 sparc-sun-solaris2.8)
 416                         AFS_SYSNAME="sun4x_58"
 417                         ;;
 418                 sparc-sun-solaris2.9)
 419                         AFS_SYSNAME="sun4x_59"
 420                         ;;
 421                 sparc-sun-solaris2.10)
 422                         AFS_SYSNAME="sun4x_510"
 423                         ;;
 424                 sparc-sun-solaris2.11)
 425                         AFS_SYSNAME="sun4x_511"
 426                         ;;
 427                 sparc-sun-sunos4*)
 428                         AFS_SYSNAME="sun4_413"
 429                         enable_login="yes"
 430                         ;;
 431                 i386-pc-solaris2.7)
 432                         AFS_SYSNAME="sunx86_57"
 433                         ;;
 434                 i386-pc-solaris2.8)
 435                         AFS_SYSNAME="sunx86_58"
 436                         ;;
 437                 i386-pc-solaris2.9)
 438                         AFS_SYSNAME="sunx86_59"
 439                         ;;
 440                 i386-pc-solaris2.10)
 441                         AFS_SYSNAME="sunx86_510"
 442                         ;;
 443                 i386-pc-solaris2.11)
 444                         AFS_SYSNAME="sunx86_511"
 445                         ;;
 446                 alpha*-dec-osf4.0*)
 447                         AFS_SYSNAME="alpha_dux40"
 448                         ;;
 449                 alpha*-dec-osf5.0*)
 450                         AFS_SYSNAME="alpha_dux50"
 451                         ;;
 452                 alpha*-dec-osf5.1*)
 453                         AFS_SYSNAME="alpha_dux51"
 454                         ;;
 455                 mips-sgi-irix6.5)
 456                         AFS_SYSNAME="sgi_65"
 457                         ;;
 458                 ia64-*-linux*)
 459                         AFS_SYSNAME="ia64_linuxXX"
 460                         ;;
 461                 powerpc-*-linux*)
 462                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 463                         ;;
 464                 powerpc64-*-linux*)
 465                         AFS_SYSNAME="ppc64_linuxXX"
 466                         ;;
 467                 alpha*-linux*)
 468                         AFS_SYSNAME="alpha_linux_XX"
 469                         ;;
 470                 s390-*-linux*)
 471                         AFS_SYSNAME="s390_linuxXX"
 472                         ;;
 473                 s390x-*-linux*)
 474                         AFS_SYSNAME="s390x_linuxXX"
 475                         ;;
 476                 sparc-*-linux*)
 477                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 478                         ;;
 479                 sparc64-*-linux*)
 480                         AFS_SYSNAME="sparc64_linuxXX"
 481                         ;;
 482                 i?86-*-linux*)
 483                         AFS_SYSNAME="i386_linuxXX"
 484                         ;;
 485                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 486                         AFS_SYSNAME="parisc_linuxXX"
 487                         enable_pam="no"
 488                         ;;
 489                 power*-ibm-aix4.2*)
 490                         AFS_SYSNAME="rs_aix42"
 491                         enable_pam="no"
 492                         ;;
 493                 power*-ibm-aix4.3*)
 494                         AFS_SYSNAME="rs_aix42"
 495                         enable_pam="no"
 496                         ;;
 497                 power*-ibm-aix5.1*)
 498                         AFS_SYSNAME="rs_aix51"
 499                         enable_pam="no"
 500                         ;;
 501                 power*-ibm-aix5.2*)
 502                         AFS_SYSNAME="rs_aix52"
 503                         enable_pam="no"
 504                         ;;
 505                 power*-ibm-aix5.3*)
 506                         AFS_SYSNAME="rs_aix53"
 507                         enable_pam="no"
 508                         ;;
 509                 x86_64-*-linux-gnu)
 510                         AFS_SYSNAME="amd64_linuxXX"
 511                         enable_pam="no"
 512                         ;;
 513                 *)
 514                         AC_MSG_ERROR(An AFS sysname is required)
 515                         exit 1
 516                         ;;
 517         esac
 518         case $AFS_SYSNAME in
 519                 *_linux* | *_umlinux*)
 520                         if test "x${AFS_SYSKVERS}" = "x"; then
 521                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 522                         fi
 523                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 524                         AFS_SYSNAME="$_AFS_SYSNAME"
 525                         save_CPPFLAGS="$CPPFLAGS"
 526                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 527                         AC_TRY_COMPILE(
 528                          [#include <linux/autoconf.h>],
 529                          [#ifndef CONFIG_USERMODE
 530                           #error not UML
 531                           #endif],
 532                          ac_cv_linux_is_uml=yes,)
 533                         if test "${ac_cv_linux_is_uml}" = yes; then
 534                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 535                         fi
 536                         CPPFLAGS="$save_CPPFLAGS"
 537                         AFS_SYSNAME="$_AFS_SYSNAME"
 538                         ;;
 539         esac
 540         AC_MSG_RESULT($AFS_SYSNAME)
 541 fi
 542
 543 dnl Some hosts have a separate common param file they should include.  Figure
 544 dnl out if we're on one of them now that we know the sysname.
 545 case $AFS_SYSNAME in
 546     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 547     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 548     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 549     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 550     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 551     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 552     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 553     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 554     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 555 esac
 556
 557 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 558
 559                 # Add (sub-) architecture-specific paths needed by conftests
 560                 case $AFS_SYSNAME  in
 561                         *_umlinux26)
 562                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 563                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 564                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 565                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 566                 esac
 567
 568                 if test "x$enable_kernel_module" = "xyes"; then
 569                  if test "x$enable_debug_kernel" = "xno"; then
 570                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 571                  fi
 572                  OPENAFS_GCC_SUPPORTS_MARCH
 573                  AC_SUBST(P5PLUS_KOPTS)
 574                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 575                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 576                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 577                  OPENAFS_GCC_SUPPORTS_PIPE
 578                  AC_SUBST(LINUX_GCC_KOPTS)
 579                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 580                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 581                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 582                  )
 583
 584                  LINUX_KERNEL_COMPILE_WORKS
 585                  LINUX_CONFIG_H_EXISTS
 586                  LINUX_COMPLETION_H_EXISTS
 587                  LINUX_DEFINES_FOR_EACH_PROCESS
 588                  LINUX_DEFINES_PREV_TASK
 589                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 590                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 591                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 592                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 593                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 594                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 595                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 596                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 597                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 598                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 599                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 600                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 601                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 602                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 603                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 604                  LINUX_INODE_SETATTR_RETURN_TYPE
 605                  LINUX_WRITE_INODE_RETURN_TYPE
 606                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 607                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 608                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 609                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 610                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 611                  LINUX_AOP_WRITEBACK_CONTROL
 612                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 613                  LINUX_KERNEL_LINUX_SYSCALL_H
 614                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 615                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 616                  LINUX_KERNEL_SELINUX
 617                  LINUX_KERNEL_SOCK_CREATE
 618                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 619                  LINUX_NEED_RHCONFIG
 620                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 621                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 622                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 623                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 624                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 625                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 626                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 627                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 628                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 629                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 630                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 631                  LINUX_EXPORTS_TASKLIST_LOCK
 632                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 633                  LINUX_STATFS_TAKES_DENTRY
 634                  LINUX_FREEZER_H_EXISTS
 635                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 636                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 637                  fi
 638                  LINUX_REFRIGERATOR
 639                  LINUX_LINUX_KEYRING_SUPPORT
 640                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 641                  LINUX_DO_SYNC_READ
 642                  LINUX_GENERIC_FILE_AIO_READ
 643                  LINUX_INIT_WORK_HAS_DATA
 644                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 645                  LINUX_EXPORTS_SYS_CHDIR
 646                  LINUX_EXPORTS_SYS_CLOSE
 647                  LINUX_EXPORTS_SYS_OPEN
 648                  LINUX_EXPORTS_SYS_WAIT4
 649                  LINUX_WHICH_MODULES
 650                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 651                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 652                    ac_cv_linux_exports_sys_call_table=no
 653                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 654                      ac_cv_linux_exports_ia32_sys_call_table=yes
 655                    fi
 656                  else
 657                    LINUX_EXPORTS_INIT_MM
 658                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 659                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 660                    LINUX_EXPORTS_SYS_CALL_TABLE
 661                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 662                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 663                          linux_syscall_method=none
 664                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 665                             linux_syscall_method=scan
 666                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 667                                linux_syscall_method=scan_with_kallsyms_address
 668                             fi
 669                          fi
 670                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 671                             linux_syscall_method=kallsyms_symbol
 672                          fi
 673                          if test "x$linux_syscall_method" = "xnone"; then
 674                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 675                             linux_syscall_method=scan
 676                          fi
 677                    fi
 678                  fi
 679                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 680                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 681                  fi
 682                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 683                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 684                  fi
 685                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 686                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 687                  fi
 688                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
 689                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
 690                  fi
 691                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
 692                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
 693                  fi
 694                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
 695                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
 696                  fi
 697                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
 698                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
 699                  fi
 700                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
 701                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
 702                  fi
 703                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
 704                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
 705                  fi
 706                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 707                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
 708                  fi
 709                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 710                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
 711                  fi
 712                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
 713                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
 714                  fi
 715                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
 716                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
 717                  fi
 718                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
 719                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
 720                  fi
 721                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
 722                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
 723                  fi
 724                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
 725                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
 726                  fi
 727                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
 728                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
 729                  fi
 730                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
 731                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
 732                  fi
 733                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
 734                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
 735                  fi
 736                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
 737                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
 738                  fi
 739                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
 740                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
 741                  fi
 742                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
 743                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
 744                  fi
 745                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
 746                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
 747                  fi
 748                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
 749                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
 750                  fi
 751                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
 752                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
 753                  fi
 754                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
 755                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
 756                  fi
 757                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
 758                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
 759                  fi
 760                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
 761                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
 762                  fi
 763                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
 764                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
 765                  fi
 766                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
 767                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
 768                  fi
 769                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
 770                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
 771                  fi
 772                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
 773                   AC_DEFINE(LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
 774                  fi
 775                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
 776                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
 777                  fi
 778                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
 779                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
 780                  fi
 781                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
 782                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
 783                  fi
 784                  if test "x$ac_linux_syscall" = "xyes" ; then
 785                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
 786                  fi
 787                  if test "x$ac_linux_seq_file" = "xyes" ; then
 788                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
 789                  fi
 790                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
 791                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
 792                  fi
 793                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
 794                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
 795                  fi
 796                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
 797                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
 798                  fi
 799                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
 800                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
 801                  fi
 802                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
 803                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
 804                  fi
 805                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
 806                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
 807                  fi
 808                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
 809                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
 810                  fi
 811                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
 812                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
 813                  fi
 814                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
 815                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
 816                  fi
 817                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
 818                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
 819                  fi
 820                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
 821                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
 822                  fi
 823                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
 824                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
 825                  fi
 826                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
 827                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
 828                  fi
 829                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
 830                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
 831                  fi
 832                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
 833                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
 834                  fi
 835                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
 836                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
 837                  fi
 838                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
 839                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
 840                  fi
 841                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
 842                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
 843                  fi
 844                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
 845                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
 846                  fi
 847                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
 848                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
 849                  fi
 850                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
 851                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
 852                  fi
 853                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
 854                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
 855                  fi
 856                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 857                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 858                  else
 859                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 860                  fi
 861                 :
 862                 fi
 863 esac
 864
 865 case $AFS_SYSNAME in
 866         *_darwin*)
 867                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 868                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 869                 dnl the test below fails on darwin, even if the CPPFLAGS below
 870                 dnl are added. the headers from Kernel.framework must be used
 871                 dnl when KERNEL is defined.
 872
 873                 dnl really, such a thing isn't guaranteed to work on any
 874                 dnl platform until the kernel cflags from MakefileProto are
 875                 dnl known to configure
 876                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 877                 ;;
 878         *)
 879 AC_MSG_CHECKING(for definition of struct buf)
 880 dnl save_CPPFLAGS="$CPPFLAGS"
 881 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
 882 AC_CACHE_VAL(ac_cv_have_struct_buf, [
 883         ac_cv_have_struct_buf=no
 884         AC_TRY_COMPILE(
 885                 [#include <sys/buf.h>],
 886                 [struct buf x;
 887                 printf("%d\n", sizeof(x));],
 888                 ac_cv_have_struct_buf=yes,)
 889         ]
 890 )
 891 dnl CPPFLAGS="$save_CPPFLAGS"
 892 AC_MSG_RESULT($ac_cv_have_struct_buf)
 893 if test "$ac_cv_have_struct_buf" = yes; then
 894         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 895 fi
 896 ;;
 897 esac
 898
 899
 900 AC_CACHE_VAL(ac_cv_sockaddr_len,
 901 [
 902 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
 903 AC_TRY_COMPILE( [#include <sys/types.h>
 904 #include <sys/socket.h>],
 905 [struct sockaddr *a;
 906 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
 907 AC_MSG_RESULT($ac_cv_sockaddr_len)])
 908 if test "$ac_cv_sockaddr_len" = "yes"; then
 909    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
 910 fi
 911 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 912         echo Skipping library tests because they confuse Irix.
 913 else
 914   AC_CHECK_FUNCS(socket)
 915
 916   if test "$ac_cv_func_socket" = no; then
 917     for lib in socket inet; do
 918         if test "$HAVE_SOCKET" != 1; then
 919                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
 920         fi
 921     done
 922   fi
 923
 924   AC_CHECK_FUNCS(connect)
 925
 926   if test "$ac_cv_func_connect" = no; then
 927     for lib in nsl; do
 928         if test "$HAVE_CONNECT" != 1; then
 929                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
 930         fi
 931     done
 932   fi
 933
 934   AC_CHECK_FUNCS(gethostbyname)
 935   if test "$ac_cv_func_gethostbyname" = no; then
 936         for lib in dns nsl resolv; do
 937           if test "$HAVE_GETHOSTBYNAME" != 1; then
 938             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
 939           fi
 940         done
 941   fi
 942
 943   dnl darwin wants it, aix hates it
 944   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
 945   AC_TRY_COMPILE([
 946   #include <stdlib.h>
 947   #include <stdio.h>
 948   #include <sys/types.h>
 949   #include <sys/socket.h>
 950   #include <netinet/in.h>
 951   #include <arpa/inet.h>
 952   #include <arpa/nameser.h>
 953   #include <arpa/nameser_compat.h>
 954   #include <resolv.h>
 955   ], [static int i; i = 0;],
 956   [AC_MSG_RESULT(yes)
 957    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
 958   [AC_MSG_RESULT(no)
 959    ])
 960
 961   openafs_save_libs="$LIBS"
 962   AC_MSG_CHECKING([for res_search])
 963   AC_FUNC_RES_SEARCH
 964
 965   if test "$ac_cv_func_res_search" = no; then
 966       for lib in dns nsl resolv; do
 967         if test "$ac_cv_func_res_search" != yes; then
 968           LIBS="-l$lib $LIBS"
 969           AC_FUNC_RES_SEARCH
 970           LIBS="$openafs_save_libs"
 971         fi
 972       done
 973       if test "$ac_cv_func_res_search" = yes; then
 974         LIB_res_search="-l$lib"
 975         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
 976         AC_MSG_RESULT([yes, in lib$lib])
 977       else
 978         AC_MSG_RESULT(no)
 979       fi
 980   else
 981     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
 982     AC_MSG_RESULT(yes)
 983   fi
 984
 985 fi
 986
 987 PTHREAD_LIBS=error
 988 if test "x$MKAFS_OSTYPE" = OBSD; then
 989         PTHREAD_LIBS="-pthread"
 990 fi
 991 if test "x$PTHREAD_LIBS" = xerror; then
 992         AC_CHECK_LIB(pthread, pthread_attr_init,
 993                 PTHREAD_LIBS="-lpthread")
 994 fi
 995 if test "x$PTHREAD_LIBS" = xerror; then
 996         AC_CHECK_LIB(pthreads, pthread_attr_init,
 997                 PTHREAD_LIBS="-lpthreads")
 998 fi
 999 if test "x$PTHREAD_LIBS" = xerror; then
1000         AC_CHECK_LIB(c_r, pthread_attr_init,
1001                 PTHREAD_LIBS="-lc_r")
1002 fi
1003 if test "x$PTHREAD_LIBS" = xerror; then
1004         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1005 fi
1006 if test "x$PTHREAD_LIBS" = xerror; then
1007         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1008         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1009                 PTHREAD_LIBS="-lpthread")
1010 fi
1011 if test "x$PTHREAD_LIBS" = xerror; then
1012         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1013 fi
1014 AC_SUBST(PTHREAD_LIBS)
1015
1016 HOST_CPU="$host_cpu"
1017
1018 if test "x$with_bsd_kernel_headers" != "x"; then
1019         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1020 else
1021         BSD_KERNEL_PATH="/usr/src/sys"
1022 fi
1023
1024 if test "x$with_bsd_kernel_build" != "x"; then
1025         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1026 else
1027         case $AFS_SYSNAME in
1028                 *_fbsd_4?)
1029                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1030                         ;;
1031                 *_fbsd_*)
1032                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1033                         ;;
1034         esac
1035 fi
1036
1037 # Fast restart
1038 if test "$enable_supergroups" = "yes"; then
1039         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1040 fi
1041
1042 if test "$enable_fast_restart" = "yes"; then
1043         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1044 fi
1045
1046 if test "$enable_bitmap_later" = "yes"; then
1047         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1048 fi
1049
1050 if test "$enable_demand_attach_fs" = "yes"; then
1051         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1052         DEMAND_ATTACH="yes"
1053 else
1054         DEMAND_ATTACH="no"
1055 fi
1056 AC_SUBST(DEMAND_ATTACH)
1057
1058 if test "$enable_unix_sockets" = "yes"; then
1059         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1060         USE_UNIX_SOCKETS="yes"
1061 else
1062         USE_UNIX_SOCKETS="no"
1063 fi
1064 AC_SUBST(USE_UNIX_SOCKETS)
1065
1066 if test "$enable_fast_restart" = "yes" &&
1067    test "$enable_demand_attach_fs" = "yes" ; then
1068         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1069         exit 1
1070 fi
1071
1072 if test "$enable_full_vos_listvol_switch" = "yes"; then
1073         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1074 fi
1075
1076 if test "$enable_bos_restricted_mode" = "yes"; then
1077         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1078 fi
1079
1080 if test "$enable_bos_new_config" = "yes"; then
1081         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1082 fi
1083
1084 if test "$enable_largefile_fileserver" = "yes"; then
1085         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1086 fi
1087
1088 if test "$enable_namei_fileserver" = "yes"; then
1089         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1090 fi
1091
1092 if test "$enable_afsdb" = "yes"; then
1093         LIB_AFSDB="$LIB_res_search"
1094         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1095 fi
1096
1097 dnl check for tivoli
1098 AC_MSG_CHECKING(for tivoli tsm butc support)
1099 XBSA_CFLAGS=""
1100 if test "$enable_tivoli_tsm" = "yes"; then
1101         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1102         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1103
1104         if test -r "$XBSADIR1/xbsa.h"; then
1105                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1106                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1107         elif test -r "$XBSADIR2/xbsa.h"; then
1108                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1109                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1110         else
1111                 AC_MSG_RESULT([no, missing xbsa.h header file])
1112         fi
1113 else
1114         AC_MSG_RESULT([no])
1115 fi
1116 AC_SUBST(XBSA_CFLAGS)
1117
1118 dnl checks for header files.
1119 AC_HEADER_STDC
1120 AC_HEADER_SYS_WAIT
1121 AC_HEADER_DIRENT
1122 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h)
1123 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1124 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1125 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
1126 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1127 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1128
1129 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1130 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1131         case $AFS_SYSNAME in
1132         sgi_*)
1133                 HAVE_PAM="no"
1134                 ;;
1135         *)
1136                 HAVE_PAM="yes"
1137                 ;;
1138         esac
1139 else
1140         HAVE_PAM="no"
1141 fi
1142 AC_SUBST(HAVE_PAM)
1143
1144 if test "$enable_login" = yes; then
1145         BUILD_LOGIN="yes"
1146 else
1147         BUILD_LOGIN="no"
1148 fi
1149 AC_SUBST(BUILD_LOGIN)
1150
1151 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1152 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1153 AC_CHECK_FUNCS(setvbuf)
1154 AC_FUNC_SETVBUF_REVERSED
1155 AC_CHECK_FUNCS(regcomp regexec regerror)
1156 AC_MSG_CHECKING([for POSIX regex library])
1157 if test "$ac_cv_header_regex_h" = "yes" && \
1158         test "$ac_cv_func_regcomp" = "yes" && \
1159         test "$ac_cv_func_regexec" = "yes" && \
1160         test "$ac_cv_func_regerror" = "yes"; then
1161     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1162     AC_MSG_RESULT(yes)
1163 else
1164     AC_MSG_RESULT(no)
1165 fi
1166
1167 AC_TYPE_SIGNAL
1168 AC_CHECK_TYPE(ssize_t, int)
1169 AC_CHECK_TYPE([sig_atomic_t], ,
1170     [AC_DEFINE([sig_atomic_t], [int],
1171         [Define to int if <signal.h> does not define.])],
1172 [#include <sys/types.h>
1173 #include <signal.h>])
1174 AC_SIZEOF_TYPE(long)
1175
1176 AC_MSG_CHECKING(size of time_t)
1177 AC_CACHE_VAL(ac_cv_sizeof_time_t,
1178 [AC_TRY_RUN([#include <stdio.h>
1179 #include <time.h>
1180 main()
1181 {
1182   FILE *f=fopen("conftestval", "w");
1183   if (!f) exit(1);
1184   fprintf(f, "%d\n", sizeof(time_t));
1185   exit(0);
1186 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
1187 ])
1188 AC_MSG_RESULT($ac_cv_sizeof_time_t)
1189 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
1190
1191 AC_CHECK_FUNCS(timegm)
1192 AC_CHECK_FUNCS(daemon)
1193
1194 dnl Directory PATH handling
1195 if test "x$enable_transarc_paths" = "xyes"  ; then
1196     afsconfdir=${afsconfdir=/usr/afs/etc}
1197     viceetcdir=${viceetcdir=/usr/vice/etc}
1198     afskerneldir=${afskerneldir=${viceetcdir}}
1199     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1200     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1201     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1202     afsdbdir=${afsdbdir=/usr/afs/db}
1203     afslogsdir=${afslogsdir=/usr/afs/logs}
1204     afslocaldir=${afslocaldir=/usr/afs/local}
1205     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1206     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1207 else
1208     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1209     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1210     afskerneldir=${afskerneldir='${libdir}/openafs'}
1211     afssrvbindir=${afssrvbindir='${bindir}'}
1212     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1213     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1214     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1215     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1216     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1217     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1218     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1219 fi
1220 AC_SUBST(afsconfdir)
1221 AC_SUBST(viceetcdir)
1222 AC_SUBST(afskerneldir)
1223 AC_SUBST(afssrvbindir)
1224 AC_SUBST(afssrvsbindir)
1225 AC_SUBST(afssrvlibexecdir)
1226 AC_SUBST(afsdbdir)
1227 AC_SUBST(afslogsdir)
1228 AC_SUBST(afslocaldir)
1229 AC_SUBST(afsbackupdir)
1230 AC_SUBST(afsbosconfigdir)
1231
1232 if test "x$enable_kernel_module" = "xyes"; then
1233 ENABLE_KERNEL_MODULE=libafs
1234 fi
1235
1236 AC_SUBST(AFS_SYSNAME)
1237 AC_SUBST(AFS_PARAM_COMMON)
1238 AC_SUBST(ENABLE_KERNEL_MODULE)
1239 AC_SUBST(LIB_AFSDB)
1240 AC_SUBST(LINUX_KERNEL_PATH)
1241 AC_SUBST(HOST_CPU)
1242 AC_SUBST(BSD_KERNEL_PATH)
1243 AC_SUBST(BSD_KERNEL_BUILD)
1244 AC_SUBST(LINUX_VERSION)
1245 AC_SUBST(MKAFS_OSTYPE)
1246 AC_SUBST(TOP_OBJDIR)
1247 AC_SUBST(TOP_SRCDIR)
1248 AC_SUBST(TOP_INCDIR)
1249 AC_SUBST(TOP_LIBDIR)
1250 AC_SUBST(DEST)
1251 AC_SUBST(DARWIN_INFOFILE)
1252 AC_SUBST(IRIX_BUILD_IP35)
1253
1254 OPENAFS_OSCONF
1255 OPENAFS_KRB5CONF
1256
1257 TOP_SRCDIR="${srcdir}/src"
1258 dnl
1259 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1260 dnl
1261 case $TOP_SRCDIR in
1262         /*)
1263                 ;;
1264         *)
1265                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1266                 ;;
1267 esac
1268
1269 TOP_OBJDIR="${SRCDIR_PARENT}"
1270 TOP_INCDIR="${SRCDIR_PARENT}/include"
1271 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1272 if test "${DEST}x" = "x"; then
1273         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1274 fi
1275
1276 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1277 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1278 AC_SUBST(HELPER_SPLINT)
1279 AC_SUBST(HELPER_SPLINTCFG)
1280
1281 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1282
1283 ])