acinclude.m4

   1 dnl This file contains the common configuration code which would
   2 dnl otherwise be duplicated between configure and configure-libafs.
   3 dnl
   4 dnl NB: Because this code is a macro, references to positional shell
   5 dnl parameters must be done like $[]1 instead of $1
   6
   7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
   8 AH_BOTTOM([
   9 #undef HAVE_RES_SEARCH
  10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  12 # if ENDIANESS_IN_SYS_PARAM_H
  13 #  ifndef KERNEL
  14 #   include <sys/types.h>
  15 #   include <sys/param.h>
  16 #   if BYTE_ORDER == BIG_ENDIAN
  17 #   define WORDS_BIGENDIAN 1
  18 #   endif
  19 #  else
  20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  21 #    define WORDS_BIGENDIAN 1
  22 #   else
  23 #    undef WORDS_BIGENDIAN
  24 #   endif
  25 #  endif
  26 # else
  27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  28 #   define WORDS_BIGENDIAN 1
  29 #  else
  30 #   undef WORDS_BIGENDIAN
  31 #  endif
  32 # endif
  33 #else
  34 # if defined(__BIG_ENDIAN__)
  35 #  define WORDS_BIGENDIAN 1
  36 # else
  37 #  undef WORDS_BIGENDIAN
  38 # endif
  39 #endif
  40 #ifdef UKERNEL
  41 /*
  42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  43  * play nice with some other interfaces like FUSE. We technically only would
  44  * need to define this when building for such interfaces, but set it always to
  45  * try and reduce potential confusion.
  46  */
  47 #define _FILE_OFFSET_BITS 64
  48 #define AFS_CACHE_VNODE_PATH
  49 #endif
  50
  51 #undef AFS_NAMEI_ENV
  52 #undef BITMAP_LATER
  53 #undef FAST_RESTART
  54 #undef DEFINED_FOR_EACH_PROCESS
  55 #undef DEFINED_PREV_TASK
  56 #undef EXPORTED_SYS_CALL_TABLE
  57 #undef EXPORTED_IA32_SYS_CALL_TABLE
  58 #undef IRIX_HAS_MEM_FUNCS
  59 #undef RECALC_SIGPENDING_TAKES_VOID
  60 #undef STRUCT_FS_HAS_FS_ROLLED
  61 #undef ssize_t
  62 #undef HAVE_ARPA_NAMESER_COMPAT_H
  63 /* glue for RedHat kernel bug */
  64 #undef ENABLE_REDHAT_BUILDSYS
  65 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  66 #include "redhat-fix.h"
  67 #endif])
  68
  69 AC_CANONICAL_HOST
  70 SRCDIR_PARENT=`pwd`
  71
  72 #BOZO_SAVE_CORES pam
  73
  74 dnl System identity.
  75 AC_ARG_WITH([afs-sysname],
  76     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  77
  78 dnl General feature options.
  79 AC_ARG_ENABLE([pam],
  80     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
  81     ,
  82     [enable_pam="yes"])
  83 AC_ARG_ENABLE([namei-fileserver],
  84     [AS_HELP_STRING([--enable-namei-fileserver],
  85         [force compilation of namei fileserver in preference to inode
  86          fileserver])],
  87     ,
  88     [enable_namei_fileserver="default"])
  89 AC_ARG_ENABLE([cache-bypass],
  90     [AS_HELP_STRING([--enable-cache-bypass],
  91         [enable client support for cache bypass])],
  92     ,
  93     [enable_cache_bypass="no"])
  94 AC_ARG_ENABLE([supergroups],
  95     [AS_HELP_STRING([--enable-supergroups],
  96         [enable support for nested pts groups])],
  97     ,
  98     [enable_supergroups="no"])
  99 AC_ARG_ENABLE([fast-restart],
 100     [AS_HELP_STRING([--enable-fast-restart],
 101         [enable fast startup of file server without salvaging])],
 102     ,
 103     [enable_fast_restart="no"])
 104 AC_ARG_ENABLE([bitmap-later],
 105     [AS_HELP_STRING([--enable-bitmap-later],
 106         [enable fast startup of file server by not reading bitmap till
 107          needed])],
 108     ,
 109     [enable_bitmap_later="no"])
 110 AC_ARG_ENABLE([demand-attach-fs],
 111     [AS_HELP_STRING([--enable-demand-attach-fs],
 112         [enable Demand Attach Fileserver (please see documentation)])],
 113     ,
 114     [enable_demand_attach_fs="no"])
 115 AC_ARG_ENABLE([disconnected],
 116     [AS_HELP_STRING([--enable-disconnected],
 117         [enable disconnected support in cache manager (experimental)])],
 118     ,
 119     [enable_disconnected="no"])
 120 AC_ARG_ENABLE([unix-sockets],
 121     [AS_HELP_STRING([--disable-unix-sockets],
 122         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 123     ,
 124     [enable_unix_sockets="yes"])
 125 AC_ARG_ENABLE([icmp-pmtu-discovery],
 126     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 127         [enable path MTU discovery by decoding ICMP unreachable replies])],
 128     ,
 129     [enable_icmp_pmtu_discovery="no"])
 130 AC_ARG_ENABLE([tivoli-tsm],
 131     [AS_HELP_STRING([--enable-tivoli-tsm],
 132         [enable use of the Tivoli TSM API libraries for butc support])],
 133     ,
 134     [enable_tivoli_tsm="no"])
 135 AC_ARG_ENABLE([pthreaded-ubik],
 136     [AS_HELP_STRING([--enable-pthreaded-ubik],
 137         [enable installation of pthreaded ubik applications (defaults to
 138          disabled)])],
 139     ,
 140     [enable_pthreaded_ubik="no"])
 141
 142 dnl Kernel module build options.
 143 AC_ARG_WITH([linux-kernel-headers],
 144     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 145         [use the kernel headers found at path (optional, defaults to
 146          /usr/src/linux-2.4, then /usr/src/linux)])])
 147 AC_ARG_WITH([linux-kernel-build],
 148     [AS_HELP_STRING([--with-linux-kernel-build=path],
 149         [use the kernel build found at path(optional, defaults to
 150         /usr/src/linux-2.4, then /usr/src/linux)])])
 151 AC_ARG_WITH([bsd-kernel-headers],
 152     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 153         [use the kernel headers found at path (optional, defaults to
 154          /usr/src/sys)])])
 155 AC_ARG_WITH([bsd-kernel-build],
 156     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 157         [use the kernel build found at path (optional, defaults to
 158          KSRC/i386/compile/GENERIC)])])
 159 AC_ARG_WITH([linux-kernel-packaging],
 160     [AS_HELP_STRING([--with-linux-kernel-packaging],
 161         [use standard naming conventions to aid Linux kernel build packaging
 162          (disables MPS, sets the kernel module name to openafs.ko, and
 163          installs kernel modules into the standard Linux location)])],
 164     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 165      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 166     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 167 AC_ARG_ENABLE([kernel-module],
 168     [AS_HELP_STRING([--disable-kernel-module],
 169         [disable compilation of the kernel module (defaults to enabled)])],
 170     ,
 171     [enable_kernel_module="yes"])
 172 AC_ARG_ENABLE([redhat-buildsys],
 173     [AS_HELP_STRING([--enable-redhat-buildsys],
 174         [enable compilation of the redhat build system kernel (defaults to
 175          disabled)])],
 176     ,
 177     [enable_redhat_buildsys="no"])
 178
 179 dnl Installation locations.
 180 AC_ARG_ENABLE([transarc-paths],
 181     [AS_HELP_STRING([--enable-transarc-paths],
 182         [use Transarc style paths like /usr/afs and /usr/vice])],
 183     ,
 184     [enable_transarc_paths="no"])
 185
 186 dnl Optimization and debugging flags.
 187 AC_ARG_ENABLE([strip-binaries],
 188     [AS_HELP_STRING([--disable-strip-binaries],
 189         [disable stripping of symbol information from binaries (defaults to
 190          enabled)])],
 191     ,
 192     [enable_strip_binaries="maybe"])
 193 AC_ARG_ENABLE([debug],
 194     [AS_HELP_STRING([--enable-debug],
 195         [enable compilation of the user space code with debugging information
 196          (defaults to disabled)])],
 197     ,
 198     [enable_debug="no"])
 199 AC_ARG_ENABLE([optimize],
 200     [AS_HELP_STRING([--disable-optimize],
 201         [disable optimization for compilation of the user space code (defaults
 202          to enabled)])],
 203     ,
 204     [enable_optimize="yes"])
 205 AC_ARG_ENABLE([warnings],
 206     [AS_HELP_STRING([--enable-warnings],
 207         [enable compilation warnings when building with gcc (defaults to
 208          disabled)])],
 209     ,
 210     [enable_warnings="no"])
 211 AC_ARG_ENABLE([checking],
 212     [AS_HELP_STRING([--enable-checking],
 213         [turn compilation warnings into errors when building with gcc (defaults
 214          to disabled)])],
 215     [enable_checking="$enableval"],
 216     [enable_checking="no"])
 217 AC_ARG_ENABLE([debug-kernel],
 218     [AS_HELP_STRING([--enable-debug-kernel],
 219         [enable compilation of the kernel module with debugging information
 220          (defaults to disabled)])],
 221     ,
 222     [enable_debug_kernel="no"])
 223 AC_ARG_ENABLE([optimize-kernel],
 224     [AS_HELP_STRING([--disable-optimize-kernel],
 225         [disable compilation of the kernel module with optimization (defaults
 226          based on platform)])],
 227     ,
 228     [enable_optimize_kernel="yes"])
 229 AC_ARG_ENABLE([debug-lwp],
 230     [AS_HELP_STRING([--enable-debug-lwp],
 231         [enable compilation of the LWP code with debugging information
 232          (defaults to disabled)])],
 233     ,
 234     [enable_debug_lwp="no"])
 235 AC_ARG_ENABLE([optimize-lwp],
 236     [AS_HELP_STRING([--disable-optimize-lwp],
 237         [disable optimization for compilation of the LWP code (defaults to
 238          enabled)])],
 239     ,
 240     [enable_optimize_lwp="yes"])
 241 AC_ARG_ENABLE([debug-pam],
 242     [AS_HELP_STRING([--enable-debug-pam],
 243         [enable compilation of the PAM code with debugging information
 244          (defaults to disabled)])],
 245     ,
 246     [enable_debug_pam="no"])
 247 AC_ARG_ENABLE([optimize-pam],
 248     [AS_HELP_STRING([--disable-optimize-pam],
 249         [disable optimization for compilation of the PAM code (defaults to
 250          enabled)])],
 251     ,
 252     [enable_optimize_pam="yes"])
 253 AC_ARG_ENABLE([linux-syscall-probing],
 254     [AS_HELP_STRING([--enable-linux-syscall-probing],
 255         [enable Linux syscall probing (defaults to autodetect)])],
 256     ,
 257     [enable_linux_syscall_probing="maybe"])
 258
 259
 260 AC_ARG_WITH([xslt-processor],
 261         AS_HELP_STRING([--with-xslt-processor=ARG],
 262         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 263         XSLTPROC="$withval",
 264         XSLTPROC="libxslt")
 265
 266 AC_ARG_WITH([html-xsl],
 267         AS_HELP_STRING([--with-html-xsl],
 268         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 269         HTML_XSL="$withval",
 270         HTML_XSL=no)
 271
 272 enable_login="no"
 273
 274 dnl weird ass systems
 275 dnl AC_AIX
 276 AC_ISC_POSIX
 277 dnl AC_MINIX
 278
 279 dnl Various compiler setup.
 280 AC_TYPE_PID_T
 281 AC_TYPE_SIZE_T
 282
 283 dnl Checks for programs.
 284 AC_PROG_INSTALL
 285 AC_PROG_LN_S
 286 AC_PROG_RANLIB
 287 AC_PROG_YACC
 288 AM_PROG_LEX
 289
 290 OPENAFS_CHECK_BIGENDIAN
 291 OPENAFS_PRINTF_TAKES_Z_LEN
 292
 293 AC_MSG_CHECKING(your OS)
 294 system=$host
 295 case $system in
 296         *-linux*)
 297
 298                 MKAFS_OSTYPE=LINUX
 299                 if test "x$enable_redhat_buildsys" = "xyes"; then
 300                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 301                 fi
 302                 if test "x$enable_kernel_module" = "xyes"; then
 303                  if test "x$with_linux_kernel_headers" != "x"; then
 304                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 305                  else
 306                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 307                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 308                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 309                    fi
 310                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 311                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 312                    fi
 313                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 314                      LINUX_KERNEL_PATH="/usr/src/linux"
 315                    fi
 316                  fi
 317                  if test "x$with_linux_kernel_build" != "x"; then
 318                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 319                  else
 320                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 321                  fi
 322                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 323                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 324                    LINUX_VERSION="$linux_kvers"
 325                  else
 326                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 327                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 328                      LINUX_VERSION="$linux_kvers"
 329                    else
 330                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 331                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 332                        if test "x$linux_kvers" = "x"; then
 333                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 334                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 335                            if test "x$linux_kvers" = "x"; then
 336                              AC_MSG_ERROR(Linux headers lack version definition [2])
 337                              exit 1
 338                            else
 339                              LINUX_VERSION="$linux_kvers"
 340                            fi
 341                          else
 342                            AC_MSG_ERROR(Linux headers lack version definition)
 343                            exit 1
 344                          fi
 345                        else
 346                          LINUX_VERSION="$linux_kvers"
 347                        fi
 348                      else
 349                        enable_kernel_module="no"
 350                      fi
 351                    fi
 352                  fi
 353                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 354                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 355                      enable_kernel_module="no"
 356                  fi
 357                  if test "x$enable_kernel_module" = "xno"; then
 358                   if test "x$with_linux_kernel_headers" != "x"; then
 359                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 360                    exit 1
 361                   else
 362                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 363                   fi
 364                  fi
 365                  dnl do we need to determine SUBARCH from autoconf.h
 366                  SUBARCH=default
 367                 fi
 368                 AC_MSG_RESULT(linux)
 369                 if test "x$enable_kernel_module" = "xyes"; then
 370                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 371                  if test "x${AFS_SYSKVERS}" = "x"; then
 372                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 373                  fi
 374                 fi
 375                 ;;
 376         *-solaris*)
 377                 MKAFS_OSTYPE=SOLARIS
 378                 AC_MSG_RESULT(sun4)
 379                 AC_PATH_PROG(SOLARISCC, [cc], ,
 380                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 381                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 382                 SOLARIS_FS_HAS_FS_ROLLED
 383                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 384                 ;;
 385         *-sunos*)
 386                 MKAFS_OSTYPE=SUNOS
 387                 enable_kernel_module=no
 388                 AC_MSG_RESULT(sun4)
 389                 ;;
 390         *-hpux*)
 391                 MKAFS_OSTYPE=HPUX
 392                 AC_MSG_RESULT(hp_ux)
 393                 if test -f "/usr/old/usr/include/ndir.h"; then
 394                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 395                 fi
 396                 ;;
 397         *-irix*)
 398                 if test -d /usr/include/sys/SN/SN1; then
 399                  IRIX_BUILD_IP35="IP35"
 400                 fi
 401                 MKAFS_OSTYPE=IRIX
 402                 AC_MSG_RESULT(sgi)
 403                 ;;
 404         *-aix*)
 405                 MKAFS_OSTYPE=AIX
 406                 AC_MSG_RESULT(rs_aix)
 407                 ;;
 408         arm-*-darwin*)
 409                 MKAFS_OSTYPE=DARWIN
 410                 AC_MSG_RESULT(arm_darwin)
 411                 ;;
 412         powerpc-*-darwin*)
 413                 MKAFS_OSTYPE=DARWIN
 414                 AC_MSG_RESULT(ppc_darwin)
 415                 ;;
 416         i386-*-darwin*)
 417                 MKAFS_OSTYPE=DARWIN
 418                 AC_MSG_RESULT(x86_darwin)
 419                 ;;
 420         i386-*-freebsd*)
 421                 MKAFS_OSTYPE=FBSD
 422                 AC_MSG_RESULT(i386_fbsd)
 423                 ;;
 424         x86_64-*-freebsd*)
 425                 MKAFS_OSTYPE=FBSD
 426                 AC_MSG_RESULT(amd64_fbsd)
 427                 ;;
 428         *-netbsd*)
 429                 MKAFS_OSTYPE=NBSD
 430                 AC_MSG_RESULT(nbsd)
 431                 ;;
 432         x86_64-*-openbsd*)
 433                 MKAFS_OSTYPE=OBSD
 434                 AC_MSG_RESULT(amd64_obsd)
 435                 ;;
 436         i386-*-openbsd*)
 437                 MKAFS_OSTYPE=OBSD
 438                 AC_MSG_RESULT(i386_obsd)
 439                 ;;
 440         *-dragonfly*)
 441                 MKAFS_OSTYPE=DFBSD
 442                 AC_MSG_RESULT(i386_dfbsd)
 443                 ;;
 444         *)
 445                 AC_MSG_RESULT($system)
 446                 ;;
 447 esac
 448
 449 if test "x$with_afs_sysname" != "x"; then
 450         AFS_SYSNAME="$with_afs_sysname"
 451 else
 452         AC_MSG_CHECKING(your AFS sysname)
 453         case $host in
 454                 i?86-*-openbsd?.?)
 455                         v=${host#*openbsd}
 456                         vM=${v%.*}
 457                         vm=${v#*.}
 458                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 459                         ;;
 460                 sparc64-*-openbsd?.?)
 461                         v=${host#*openbsd}
 462                         vM=${v%.*}
 463                         vm=${v#*.}
 464                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 465                         ;;
 466                 x86_64-*-openbsd?.?)
 467                         v=${host#*openbsd}
 468                         vM=${v%.*}
 469                         vm=${v#*.}
 470                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 471                         ;;
 472                 i?86-*-freebsd?.*)
 473                         v=${host#*freebsd}
 474                         vM=${v%.*}
 475                         vm=${v#*.}
 476                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 477                         ;;
 478                 x86_64-*-freebsd?.*)
 479                         v=${host#*freebsd}
 480                         vM=${v%.*}
 481                         vm=${v#*.}
 482                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 483                         ;;
 484                 i386-*-dragonfly2.2*)
 485                         AFS_SYSNAME="i386_dfbsd_23"
 486                         ;;
 487                 i386-*-dragonfly2.3*)
 488                         AFS_SYSNAME="i386_dfbsd_23"
 489                         ;;
 490                 i?86-*-netbsd*1.6[[M-Z]]*)
 491                         AFS_SYSNAME="i386_nbsd20"
 492                         ;;
 493                 powerpc-*-netbsd*1.6[[M-Z]]*)
 494                         AFS_SYSNAME="ppc_nbsd20"
 495                         ;;
 496                 *-*-netbsd*)
 497                         arch=${host%%-unknown*}
 498                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 499                                                -e 's/powerpc/ppc/g')
 500                         v=${host#*netbsd}
 501                         v=${v#*aout}
 502                         v=${v#*ecoff}
 503                         v=${v#*elf}
 504                         vM=${v%%.*}
 505                         vM=${vM%.*}
 506                         v=${v#*.}
 507                         vm=${v%%.*}
 508                         vm=${vm%.*}
 509                         vm=${vm%%[[_A-Z]]*}
 510                         if test $vm -eq 99 ; then
 511                                 vM=$((vM+1))
 512                         fi
 513                         if test $vM -gt 1 ; then
 514                                 vm=0
 515                         fi
 516                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 517                         ;;
 518                 hppa*-hp-hpux11.0*)
 519                         AFS_SYSNAME="hp_ux110"
 520                         ;;
 521                 hppa*-hp-hpux11.11)
 522                         AFS_SYSNAME="hp_ux11i"
 523                         ;;
 524                 hppa*-hp-hpux11.23)
 525                         AFS_SYSNAME="hp_ux1123"
 526                         ;;
 527                 ia64-hp-hpux11.22)
 528                         AFS_SYSNAME="ia64_hpux1122"
 529                         ;;
 530                 ia64-hp-hpux*)
 531                         AFS_SYSNAME="ia64_hpux1123"
 532                         ;;
 533                 hppa*-hp-hpux10*)
 534                         AFS_SYSNAME="hp_ux102"
 535                         ;;
 536                 powerpc-apple-darwin7*)
 537                         AFS_SYSNAME="ppc_darwin_70"
 538                         ;;
 539                 powerpc-apple-darwin8.*)
 540                         AFS_SYSNAME="ppc_darwin_80"
 541                         ;;
 542                 i386-apple-darwin8.*)
 543                         AFS_SYSNAME="x86_darwin_80"
 544                         ;;
 545                 powerpc-apple-darwin9.*)
 546                         AFS_SYSNAME="ppc_darwin_90"
 547                         ;;
 548                 i386-apple-darwin9.*)
 549                         AFS_SYSNAME="x86_darwin_90"
 550                         ;;
 551                 i?86-apple-darwin10.*)
 552                         AFS_SYSNAME="x86_darwin_100"
 553                         ;;
 554                 sparc-sun-solaris2.5*)
 555                         AFS_SYSNAME="sun4x_55"
 556                         enable_login="yes"
 557                         ;;
 558                 sparc-sun-solaris2.6)
 559                         AFS_SYSNAME="sun4x_56"
 560                         ;;
 561                 sparc-sun-solaris2.7)
 562                         AFS_SYSNAME="sun4x_57"
 563                         ;;
 564                 sparc-sun-solaris2.8)
 565                         AFS_SYSNAME="sun4x_58"
 566                         ;;
 567                 sparc-sun-solaris2.9)
 568                         AFS_SYSNAME="sun4x_59"
 569                         ;;
 570                 sparc-sun-solaris2.10)
 571                         AFS_SYSNAME="sun4x_510"
 572                         ;;
 573                 sparc-sun-solaris2.11)
 574                         AFS_SYSNAME="sun4x_511"
 575                         ;;
 576                 sparc-sun-sunos4*)
 577                         AFS_SYSNAME="sun4_413"
 578                         enable_login="yes"
 579                         ;;
 580                 i386-pc-solaris2.7)
 581                         AFS_SYSNAME="sunx86_57"
 582                         ;;
 583                 i386-pc-solaris2.8)
 584                         AFS_SYSNAME="sunx86_58"
 585                         ;;
 586                 i386-pc-solaris2.9)
 587                         AFS_SYSNAME="sunx86_59"
 588                         ;;
 589                 i386-pc-solaris2.10)
 590                         AFS_SYSNAME="sunx86_510"
 591                         ;;
 592                 i386-pc-solaris2.11)
 593                         AFS_SYSNAME="sunx86_511"
 594                         ;;
 595                 alpha*-dec-osf4.0*)
 596                         AFS_SYSNAME="alpha_dux40"
 597                         ;;
 598                 alpha*-dec-osf5.0*)
 599                         AFS_SYSNAME="alpha_dux50"
 600                         ;;
 601                 alpha*-dec-osf5.1*)
 602                         AFS_SYSNAME="alpha_dux51"
 603                         ;;
 604                 mips-sgi-irix6.5)
 605                         AFS_SYSNAME="sgi_65"
 606                         ;;
 607                 ia64-*-linux*)
 608                         AFS_SYSNAME="ia64_linuxXX"
 609                         ;;
 610                 powerpc-*-linux*)
 611                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 612                         ;;
 613                 powerpc64-*-linux*)
 614                         AFS_SYSNAME="ppc64_linuxXX"
 615                         ;;
 616                 alpha*-linux*)
 617                         AFS_SYSNAME="alpha_linux_XX"
 618                         ;;
 619                 s390-*-linux*)
 620                         AFS_SYSNAME="s390_linuxXX"
 621                         ;;
 622                 s390x-*-linux*)
 623                         AFS_SYSNAME="s390x_linuxXX"
 624                         ;;
 625                 sparc-*-linux*)
 626                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 627                         ;;
 628                 sparc64-*-linux*)
 629                         AFS_SYSNAME="sparc64_linuxXX"
 630                         ;;
 631                 i?86-*-linux*)
 632                         AFS_SYSNAME="i386_linuxXX"
 633                         ;;
 634                 arm*-linux*)
 635                         AFS_SYSNAME="arm_linuxXX"
 636                         ;;
 637                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 638                         AFS_SYSNAME="parisc_linuxXX"
 639                         enable_pam="no"
 640                         ;;
 641                 power*-ibm-aix4.2*)
 642                         AFS_SYSNAME="rs_aix42"
 643                         enable_pam="no"
 644                         ;;
 645                 power*-ibm-aix4.3*)
 646                         AFS_SYSNAME="rs_aix42"
 647                         enable_pam="no"
 648                         ;;
 649                 power*-ibm-aix5.1*)
 650                         AFS_SYSNAME="rs_aix51"
 651                         enable_pam="no"
 652                         ;;
 653                 power*-ibm-aix5.2*)
 654                         AFS_SYSNAME="rs_aix52"
 655                         enable_pam="no"
 656                         ;;
 657                 power*-ibm-aix5.3*)
 658                         AFS_SYSNAME="rs_aix53"
 659                         enable_pam="no"
 660                         ;;
 661                 power*-ibm-aix6.1*)
 662                         AFS_SYSNAME="rs_aix61"
 663                         enable_pam="no"
 664                         ;;
 665                 x86_64-*-linux-gnu)
 666                         AFS_SYSNAME="amd64_linuxXX"
 667                         enable_pam="yes"
 668                         ;;
 669                 *)
 670                         AC_MSG_ERROR(An AFS sysname is required)
 671                         exit 1
 672                         ;;
 673         esac
 674         case $AFS_SYSNAME in
 675                 *_linux* | *_umlinux*)
 676                         if test "x${AFS_SYSKVERS}" = "x"; then
 677                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 678                         fi
 679                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 680                         AFS_SYSNAME="$_AFS_SYSNAME"
 681                         AC_TRY_KBUILD(
 682                          [],
 683                          [#ifndef CONFIG_USERMODE
 684                           #error not UML
 685                           #endif],
 686                          ac_cv_linux_is_uml=yes,)
 687                         if test "${ac_cv_linux_is_uml}" = yes; then
 688                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 689                         fi
 690                         AFS_SYSNAME="$_AFS_SYSNAME"
 691                         ;;
 692         esac
 693         AC_MSG_RESULT($AFS_SYSNAME)
 694 fi
 695
 696 case $AFS_SYSNAME in
 697         *_darwin*)
 698                 AC_CHECK_HEADERS(crt_externs.h)
 699                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 700                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 701                 ;;
 702 esac
 703
 704 dnl Some hosts have a separate common param file they should include.  Figure
 705 dnl out if we're on one of them now that we know the sysname.
 706 case $AFS_SYSNAME in
 707     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 708     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 709     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 710     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 711     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 712     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 713     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 714     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 715     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 716     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 717     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 718     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 719     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 720     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 721     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 722     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 723     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 724     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 725     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 726     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 727     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 728     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 729     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 730     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 731     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 732     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 733 # Linux alpha adds an extra underscore for no good reason.
 734     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 735     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 736     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 737 esac
 738
 739 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 740
 741                 # Add (sub-) architecture-specific paths needed by conftests
 742                 case $AFS_SYSNAME  in
 743                         *_umlinux26)
 744                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 745                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 746                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 747                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 748                 esac
 749
 750                 if test "x$enable_kernel_module" = "xyes"; then
 751                  if test "x$enable_debug_kernel" = "xno"; then
 752                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 753                  fi
 754                  OPENAFS_GCC_SUPPORTS_MARCH
 755                  AC_SUBST(P5PLUS_KOPTS)
 756                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 757                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 758                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 759                  OPENAFS_GCC_SUPPORTS_PIPE
 760                  AC_SUBST(LINUX_GCC_KOPTS)
 761
 762                  dnl Setup the kernel build environment
 763                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 764                  LINUX_KERNEL_COMPILE_WORKS
 765
 766                  dnl Check for header files
 767                  AC_CHECK_LINUX_HEADER([config.h])
 768                  AC_CHECK_LINUX_HEADER([completion.h])
 769                  AC_CHECK_LINUX_HEADER([exportfs.h])
 770                  AC_CHECK_LINUX_HEADER([freezer.h])
 771                  AC_CHECK_LINUX_HEADER([key-type.h])
 772                  AC_CHECK_LINUX_HEADER([semaphore.h])
 773                  AC_CHECK_LINUX_HEADER([seq_file.h])
 774
 775                  dnl Check for structure elements
 776                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 777                                        [write_begin], [fs.h])
 778                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 779                                        [backing-dev.h])
 780                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 781                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 782                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 783                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 784                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 785                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 786                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 787                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 788                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 789                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 790                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 791                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 792                                        [fs.h])
 793                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 794                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 795                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 796                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 797                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 798                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 799                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 800                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 801                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 802                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 803                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 804
 805                  dnl Function existence checks
 806
 807                  AC_CHECK_LINUX_FUNC([bdi_init],
 808                                      [#include <linux/backing-dev.h>],
 809                                      [bdi_init(NULL);])
 810                  AC_CHECK_LINUX_FUNC([PageChecked],
 811                                      [#include <linux/mm.h>
 812 #include <linux/page-flags.h>],
 813                                      [struct page *_page;
 814                                       int bchecked = PageChecked(_page);])
 815                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 816                                      [#include <linux/mm.h>
 817 #include <linux/page-flags.h>],
 818                                      [struct page *_page;
 819                                       int bchecked = PageFsMisc(_page);])
 820                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 821                                      [#include <linux/time.h>],
 822                                      [struct timespec s;
 823                                       s = current_kernel_time();])
 824                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 825                                      [#include <linux/dcache.h>],
 826                                      [d_alloc_anon(NULL);])
 827                  AC_CHECK_LINUX_FUNC([do_sync_read],
 828                                      [#include <linux/fs.h>],
 829                                      [do_sync_read(NULL, NULL, 0, NULL);])
 830                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 831                                      [#include <linux/sched.h>],
 832                                      [pid_t p; find_task_by_pid(p);])
 833                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 834                                      [#include <linux/fs.h>],
 835                                      [generic_file_aio_read(NULL,NULL,0,0);])
 836                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 837                                      [#include <linux/pagemap.h>],
 838                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 839                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 840                                      [#include <linux/list.h>],
 841                                      [hlist_unhashed(0);])
 842                  AC_CHECK_LINUX_FUNC([i_size_read],
 843                                      [#include <linux/fs.h>],
 844                                      [i_size_read(NULL);])
 845                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 846                                      [#include <linux/net.h>],
 847                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 848                  AC_CHECK_LINUX_FUNC([page_follow_link],
 849                                      [#include <linux/fs.h>],
 850                                      [page_follow_link(0,0);])
 851                  AC_CHECK_LINUX_FUNC([page_offset],
 852                                      [#include <linux/pagemap.h>],
 853                                      [page_offset(NULL);])
 854                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 855                                      [#include <linux/pagevec.h>],
 856                                      [__pagevec_lru_add_file(NULL);])
 857                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 858                                      [#include <linux/rcupdate.h>],
 859                                      [rcu_read_lock();])
 860                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 861                                      [#include <linux/splice.h>],
 862                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 863                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 864                                      [#include <linux/sunrpc/svc.h>],
 865                                      [svc_addr_in(NULL);])
 866                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 867                                      [#include <linux/highmem.h>],
 868                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 869
 870                  dnl Consequences - things which get set as a result of the
 871                  dnl                above tests
 872                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 873                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 874                                   [define to disable the nfs translator])])
 875
 876                  dnl Assorted more complex tests
 877                  LINUX_EXPORTS_PROC_ROOT_FS
 878                  LINUX_KMEM_CACHE_INIT
 879                  LINUX_HAVE_KMEM_CACHE_T
 880                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 881                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 882                  LINUX_D_PATH_TAKES_STRUCT_PATH
 883                  LINUX_NEW_EXPORT_OPS
 884                  LINUX_INODE_SETATTR_RETURN_TYPE
 885                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 886                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 887                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 888                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 889                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 890                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 891                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 892                  LINUX_AOP_WRITEBACK_CONTROL
 893                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 894                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 895                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 896                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 897                  LINUX_KERNEL_SOCK_CREATE
 898                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 899                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 900                  LINUX_NEED_RHCONFIG
 901                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 902                  LINUX_EXPORTS_TASKLIST_LOCK
 903                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 904                  LINUX_STATFS_TAKES_DENTRY
 905                  LINUX_REFRIGERATOR
 906                  LINUX_HAVE_TRY_TO_FREEZE
 907                  LINUX_LINUX_KEYRING_SUPPORT
 908                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 909                  LINUX_KEY_ALLOC_NEEDS_CRED
 910                  LINUX_INIT_WORK_HAS_DATA
 911                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 912
 913                  dnl If we are guaranteed that keyrings will work - that is
 914                  dnl  a) The kernel has keyrings enabled
 915                  dnl  b) The code is new enough to give us a key_type_keyring
 916                  dnl then we just disable syscall probing unless we've been
 917                  dnl told otherwise
 918
 919                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 920                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 921                           [enable_linux_syscall_probing="no"],
 922                           [enable_linux_syscall_probing="yes"])
 923                  ])
 924
 925                  dnl Syscall probing needs a few tests of its own, and just
 926                  dnl won't work if the kernel doesn't export init_mm
 927                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 928                    LINUX_EXPORTS_INIT_MM
 929                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 930                      AC_MSG_ERROR(
 931                        [Can't do syscall probing without exported init_mm])
 932                    ])
 933                    LINUX_EXPORTS_SYS_CHDIR
 934                    LINUX_EXPORTS_SYS_OPEN
 935                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 936                              [define to enable syscall table probes])
 937                  ])
 938
 939                  dnl Packaging and SMP build
 940                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 941                    LINUX_WHICH_MODULES
 942                  else
 943                    AC_SUBST(MPS,'SP')
 944                  fi
 945
 946                  dnl Syscall probing
 947                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 948                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 949                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 950                    ])
 951                    ac_cv_linux_exports_sys_call_table=no
 952                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 953                      ac_cv_linux_exports_ia32_sys_call_table=yes
 954                    fi
 955                  else
 956                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 957                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 958                    LINUX_EXPORTS_SYS_CALL_TABLE
 959                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 960                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 961                          linux_syscall_method=none
 962                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 963                             linux_syscall_method=scan
 964                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 965                                linux_syscall_method=scan_with_kallsyms_address
 966                             fi
 967                          fi
 968                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 969                             linux_syscall_method=kallsyms_symbol
 970                          fi
 971                          if test "x$linux_syscall_method" = "xnone"; then
 972                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 973                             linux_syscall_method=scan
 974                          fi
 975                    fi
 976                  fi
 977                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 978                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 979                  fi
 980                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 981                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 982                  fi
 983                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 984                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 985                  else
 986                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 987                  fi
 988                 :
 989                 fi
 990 esac
 991
 992 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 993     [ac_cv_sockaddr_len],
 994     [AC_TRY_COMPILE( [#include <sys/types.h>
 995 #include <sys/socket.h>],
 996                      [struct sockaddr *a; a->sa_len=0;],
 997                      [ac_cv_sockaddr_len=yes],
 998                      [ac_cv_sockaddr_len=no])
 999 ])
1000 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1001       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1002                  [define if you struct sockaddr sa_len])])
1003
1004 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1005         echo Skipping library tests because they confuse Irix.
1006 else
1007   AC_SEARCH_LIBS([socket], [socket inet])
1008   AC_SEARCH_LIBS([connect], [nsl])
1009   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1010
1011   dnl darwin wants it, aix hates it
1012   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1013   AC_TRY_COMPILE([
1014   #include <stdlib.h>
1015   #include <stdio.h>
1016   #include <sys/types.h>
1017   #include <sys/socket.h>
1018   #include <netinet/in.h>
1019   #include <arpa/inet.h>
1020   #include <arpa/nameser.h>
1021   #include <arpa/nameser_compat.h>
1022   #include <resolv.h>
1023   ], [static int i; i = 0;],
1024   [AC_MSG_RESULT(yes)
1025    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1026   [AC_MSG_RESULT(no)
1027    ])
1028
1029   openafs_save_libs="$LIBS"
1030   AC_MSG_CHECKING([for res_search])
1031   AC_FUNC_RES_SEARCH
1032
1033   if test "$ac_cv_func_res_search" = no; then
1034       for lib in dns nsl resolv; do
1035         if test "$ac_cv_func_res_search" != yes; then
1036           LIBS="-l$lib $LIBS"
1037           AC_FUNC_RES_SEARCH
1038           LIBS="$openafs_save_libs"
1039         fi
1040       done
1041       if test "$ac_cv_func_res_search" = yes; then
1042         LIB_AFSDB="-l$lib"
1043         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1044         AC_MSG_RESULT([yes, in lib$lib])
1045       else
1046         AC_MSG_RESULT(no)
1047       fi
1048   else
1049     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1050     AC_MSG_RESULT(yes)
1051   fi
1052
1053 fi
1054
1055 AC_CHECK_RESOLV_RETRANS
1056
1057 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1058     [ac_cv_setsockopt_iprecverr],
1059     [AC_TRY_COMPILE( [
1060 #include <sys/types.h>
1061 #include <sys/socket.h>
1062 #include <netinet/in.h>],
1063 [int on=1;
1064 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1065         [ac_cv_setsockopt_iprecverr=yes],
1066         [ac_cv_setsockopt_iprecverr=no])])
1067
1068 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1069       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1070                  [define if asynchronous socket errors can be received])])
1071
1072 PTHREAD_LIBS=error
1073 if test "x$MKAFS_OSTYPE" = OBSD; then
1074         PTHREAD_LIBS="-pthread"
1075 fi
1076 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1077         PTHREAD_LIBS="-pthread"
1078 fi
1079 if test "x$PTHREAD_LIBS" = xerror; then
1080         AC_CHECK_LIB(pthread, pthread_attr_init,
1081                 PTHREAD_LIBS="-lpthread")
1082 fi
1083 if test "x$PTHREAD_LIBS" = xerror; then
1084         AC_CHECK_LIB(pthreads, pthread_attr_init,
1085                 PTHREAD_LIBS="-lpthreads")
1086 fi
1087 if test "x$PTHREAD_LIBS" = xerror; then
1088         AC_CHECK_LIB(c_r, pthread_attr_init,
1089                 PTHREAD_LIBS="-lc_r")
1090 fi
1091 if test "x$PTHREAD_LIBS" = xerror; then
1092         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1093 fi
1094 if test "x$PTHREAD_LIBS" = xerror; then
1095         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1096         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1097                 PTHREAD_LIBS="-lpthread")
1098 fi
1099 if test "x$PTHREAD_LIBS" = xerror; then
1100         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1101 fi
1102 AC_SUBST(PTHREAD_LIBS)
1103
1104 HOST_CPU="$host_cpu"
1105
1106 if test "x$with_bsd_kernel_headers" != "x"; then
1107         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1108 else
1109         BSD_KERNEL_PATH="/usr/src/sys"
1110 fi
1111
1112 if test "x$with_bsd_kernel_build" != "x"; then
1113         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1114 else
1115         case $AFS_SYSNAME in
1116                 *_fbsd_*)
1117                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1118                         ;;
1119                 *_nbsd*)
1120                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1121         esac
1122 fi
1123
1124 # Fast restart
1125 if test "$enable_supergroups" = "yes"; then
1126         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1127 fi
1128
1129 if test "$enable_fast_restart" = "yes"; then
1130         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1131 fi
1132
1133 if test "$enable_bitmap_later" = "yes"; then
1134         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1135 fi
1136
1137 if test "$enable_demand_attach_fs" = "yes"; then
1138         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1139         DEMAND_ATTACH="yes"
1140 else
1141         DEMAND_ATTACH="no"
1142 fi
1143 AC_SUBST(DEMAND_ATTACH)
1144
1145 if test "$enable_disconnected" = "yes"; then
1146         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1147 fi
1148
1149 if test "$enable_unix_sockets" = "yes"; then
1150         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1151         USE_UNIX_SOCKETS="yes"
1152 else
1153         USE_UNIX_SOCKETS="no"
1154 fi
1155 AC_SUBST(USE_UNIX_SOCKETS)
1156
1157 if test "$enable_fast_restart" = "yes" &&
1158    test "$enable_demand_attach_fs" = "yes" ; then
1159         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1160         exit 1
1161 fi
1162
1163 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1164    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1165         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1166    fi
1167 fi
1168
1169 if test "$enable_cache_bypass" = "yes"; then
1170         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1171 fi
1172
1173 if test "$enable_namei_fileserver" = "yes"; then
1174         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1175         VFSCK=""
1176 else
1177         if test "$enable_namei_fileserver" = "default"; then
1178                 case $host in
1179                         *-solaris2.10*)
1180                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1181                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1182                                 VFSCK=""
1183                                 ;;
1184                         *-solaris2.11*)
1185                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1186                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1187                                 VFSCK=""
1188                                 ;;
1189                         *)
1190                                 VFSCK="vfsck"
1191                                 ;;
1192                 esac
1193         else
1194                 VFSCK="vfsck"
1195         fi
1196 fi
1197
1198 dnl check for tivoli
1199 AC_MSG_CHECKING(for tivoli tsm butc support)
1200 XBSA_CFLAGS=""
1201 if test "$enable_tivoli_tsm" = "yes"; then
1202         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1203         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1204         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1205         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1206
1207         if test -r "$XBSADIR3/dsmapifp.h"; then
1208                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1209                 XBSA_XLIBS="-ldl"
1210                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1211         elif test -r "$XBSADIR4/dsmapifp.h"; then
1212                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1213                 XBSA_XLIBS="-ldl"
1214                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1215         elif test -r "$XBSADIR1/xbsa.h"; then
1216                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1217                 XBSA_XLIBS=""
1218                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1219         elif test -r "$XBSADIR2/xbsa.h"; then
1220                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1221                 XBSA_XLIBS=""
1222                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1223         else
1224                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1225         fi
1226 else
1227         AC_MSG_RESULT([no])
1228 fi
1229 AC_SUBST(XBSA_CFLAGS)
1230 AC_SUBST(XBSA_XLIBS)
1231
1232 dnl checks for header files.
1233 AC_HEADER_STDC
1234 AC_HEADER_SYS_WAIT
1235 AC_HEADER_DIRENT
1236 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1237 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1238 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1239 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1240 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h)
1241 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1242 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1243 AC_CHECK_HEADERS(et/com_err.h)
1244
1245 AC_CHECK_TYPES([fsblkcnt_t],,,[
1246 #include <sys/types.h>
1247 #ifdef HAVE_SYS_BITYPES_H
1248 #include <sys/bitypes.h>
1249 #endif
1250 #ifdef HAVE_SYS_STATFS_H
1251 #include <sys/statfs.h>
1252 #endif
1253 #ifdef HAVE_SYS_STATVFS_H
1254 #include <sys/statvfs.h>
1255 #endif
1256 ])
1257
1258 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1259
1260 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1261 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1262         case $AFS_SYSNAME in
1263         sgi_*)
1264                 HAVE_PAM="no"
1265                 ;;
1266         *)
1267                 HAVE_PAM="yes"
1268                 ;;
1269         esac
1270 else
1271         HAVE_PAM="no"
1272 fi
1273 AC_SUBST(HAVE_PAM)
1274
1275 if test "$enable_login" = yes; then
1276         BUILD_LOGIN="yes"
1277 else
1278         BUILD_LOGIN="no"
1279 fi
1280 AC_SUBST(BUILD_LOGIN)
1281
1282 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock)
1283 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1284 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1285 AC_CHECK_FUNCS(regcomp regexec regerror)
1286 AC_MSG_CHECKING([for POSIX regex library])
1287 if test "$ac_cv_header_regex_h" = "yes" && \
1288         test "$ac_cv_func_regcomp" = "yes" && \
1289         test "$ac_cv_func_regexec" = "yes" && \
1290         test "$ac_cv_func_regerror" = "yes"; then
1291     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1292     AC_MSG_RESULT(yes)
1293 else
1294     AC_MSG_RESULT(no)
1295 fi
1296
1297 AC_TYPE_SIGNAL
1298 AC_CHECK_SIZEOF(void *)
1299 AC_CHECK_SIZEOF(unsigned long long)
1300 AC_CHECK_SIZEOF(unsigned long)
1301 AC_CHECK_SIZEOF(unsigned int)
1302 AC_TYPE_INTPTR_T
1303 AC_TYPE_UINTPTR_T
1304 AC_TYPE_SSIZE_T
1305 AC_CHECK_TYPE([sig_atomic_t],[],
1306     [AC_DEFINE([sig_atomic_t], [int],
1307         [Define to int if <signal.h> does not define.])],
1308 [#include <sys/types.h>
1309 #include <signal.h>])
1310 AC_CHECK_TYPE([socklen_t],[],
1311     [AC_DEFINE([socklen_t], [int],
1312         [Define to int if <sys/socket.h> does not define.])],
1313 [#include <sys/types.h>
1314 #include <sys/socket.h>])
1315 AC_SIZEOF_TYPE(long)
1316
1317 AC_HEADER_PAM_CONST
1318
1319 AC_CHECK_FUNCS(timegm)
1320 AC_CHECK_FUNCS(daemon)
1321
1322 dnl Directory PATH handling
1323 if test "x$enable_transarc_paths" = "xyes"  ; then
1324     afsconfdir=${afsconfdir=/usr/afs/etc}
1325     viceetcdir=${viceetcdir=/usr/vice/etc}
1326     afskerneldir=${afskerneldir=${viceetcdir}}
1327     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1328     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1329     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1330     afsdbdir=${afsdbdir=/usr/afs/db}
1331     afslogsdir=${afslogsdir=/usr/afs/logs}
1332     afslocaldir=${afslocaldir=/usr/afs/local}
1333     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1334     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1335     afsdatadir=${afsdatadir=/usr/vice/etc}
1336 else
1337     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1338     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1339     afskerneldir=${afskerneldir='${libdir}/openafs'}
1340     afssrvbindir=${afssrvbindir='${bindir}'}
1341     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1342     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1343     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1344     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1345     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1346     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1347     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1348     afsdatadir=${afsdatadir='${datadir}/openafs'}
1349 fi
1350 AC_SUBST(afsconfdir)
1351 AC_SUBST(viceetcdir)
1352 AC_SUBST(afskerneldir)
1353 AC_SUBST(afssrvbindir)
1354 AC_SUBST(afssrvsbindir)
1355 AC_SUBST(afssrvlibexecdir)
1356 AC_SUBST(afsdbdir)
1357 AC_SUBST(afslogsdir)
1358 AC_SUBST(afslocaldir)
1359 AC_SUBST(afsbackupdir)
1360 AC_SUBST(afsbosconfigdir)
1361 AC_SUBST(afsdatadir)
1362
1363 if test "x$enable_kernel_module" = "xyes"; then
1364 ENABLE_KERNEL_MODULE=libafs
1365 fi
1366
1367 if test "x$enable_pthreaded_ubik" = "xyes"; then
1368 ENABLE_PTHREADED_UBIK=yes
1369 fi
1370
1371 AC_SUBST(VFSCK)
1372 AC_SUBST(AFS_SYSNAME)
1373 AC_SUBST(AFS_PARAM_COMMON)
1374 AC_SUBST(ENABLE_KERNEL_MODULE)
1375 AC_SUBST(ENABLE_PTHREADED_UBIK)
1376 AC_SUBST(LIB_AFSDB)
1377 AC_SUBST(LINUX_KERNEL_PATH)
1378 AC_SUBST(LINUX_KERNEL_BUILD)
1379 AC_SUBST(HOST_CPU)
1380 AC_SUBST(BSD_KERNEL_PATH)
1381 AC_SUBST(BSD_KERNEL_BUILD)
1382 AC_SUBST(LINUX_VERSION)
1383 AC_SUBST(MKAFS_OSTYPE)
1384 AC_SUBST(TOP_OBJDIR)
1385 AC_SUBST(TOP_SRCDIR)
1386 AC_SUBST(TOP_INCDIR)
1387 AC_SUBST(TOP_LIBDIR)
1388 AC_SUBST(DEST)
1389 AC_SUBST(DARWIN_INFOFILE)
1390 AC_SUBST(IRIX_BUILD_IP35)
1391 AC_SUBST(HTML_XSL)
1392 AC_SUBST(XSLTPROC)
1393
1394 OPENAFS_OSCONF
1395 OPENAFS_FUSE
1396
1397 TOP_SRCDIR="${srcdir}/src"
1398 dnl
1399 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1400 dnl
1401 case $TOP_SRCDIR in
1402         /*)
1403                 ;;
1404         *)
1405                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1406                 ;;
1407 esac
1408
1409 TOP_OBJDIR="${SRCDIR_PARENT}"
1410 TOP_INCDIR="${SRCDIR_PARENT}/include"
1411 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1412 if test "${DEST}x" = "x"; then
1413         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1414 fi
1415
1416 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1417 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1418 AC_SUBST(HELPER_SPLINT)
1419 AC_SUBST(HELPER_SPLINTCFG)
1420
1421 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1422
1423 ])