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([supergroups],
  90     [AS_HELP_STRING([--enable-supergroups],
  91         [enable support for nested pts groups])],
  92     ,
  93     [enable_supergroups="no"])
  94 AC_ARG_ENABLE([bitmap-later],
  95     [AS_HELP_STRING([--enable-bitmap-later],
  96         [enable fast startup of file server by not reading bitmap till
  97          needed])],
  98     ,
  99     [enable_bitmap_later="no"])
 100 AC_ARG_ENABLE([unix-sockets],
 101     [AS_HELP_STRING([--disable-unix-sockets],
 102         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 103     ,
 104     [enable_unix_sockets="yes"])
 105 AC_ARG_ENABLE([tivoli-tsm],
 106     [AS_HELP_STRING([--enable-tivoli-tsm],
 107         [enable use of the Tivoli TSM API libraries for butc support])],
 108     ,
 109     [enable_tivoli_tsm="no"])
 110 AC_ARG_ENABLE([pthreaded-ubik],
 111     [AS_HELP_STRING([--enable-pthreaded-ubik],
 112         [enable installation of pthreaded ubik applications (defaults to
 113          disabled)])],
 114     ,
 115     [enable_pthreaded_ubik="no"])
 116
 117 dnl Kernel module build options.
 118 AC_ARG_WITH([linux-kernel-headers],
 119     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 120         [use the kernel headers found at path (optional, defaults to
 121          /usr/src/linux-2.4, then /usr/src/linux)])])
 122 AC_ARG_WITH([linux-kernel-build],
 123     [AS_HELP_STRING([--with-linux-kernel-build=path],
 124         [use the kernel build found at path(optional, defaults to
 125         /usr/src/linux-2.4, then /usr/src/linux)])])
 126 AC_ARG_WITH([bsd-kernel-headers],
 127     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 128         [use the kernel headers found at path (optional, defaults to
 129          /usr/src/sys)])])
 130 AC_ARG_WITH([bsd-kernel-build],
 131     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 132         [use the kernel build found at path (optional, defaults to
 133          KSRC/i386/compile/GENERIC)])])
 134 AC_ARG_WITH([linux-kernel-packaging],
 135     [AS_HELP_STRING([--with-linux-kernel-packaging],
 136         [use standard naming conventions to aid Linux kernel build packaging
 137          (disables MPS, sets the kernel module name to openafs.ko, and
 138          installs kernel modules into the standard Linux location)])],
 139     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 140      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 141     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 142 AC_ARG_ENABLE([kernel-module],
 143     [AS_HELP_STRING([--disable-kernel-module],
 144         [disable compilation of the kernel module (defaults to enabled)])],
 145     ,
 146     [enable_kernel_module="yes"])
 147 AC_ARG_ENABLE([redhat-buildsys],
 148     [AS_HELP_STRING([--enable-redhat-buildsys],
 149         [enable compilation of the redhat build system kernel (defaults to
 150          disabled)])],
 151     ,
 152     [enable_redhat_buildsys="no"])
 153
 154 dnl Installation locations.
 155 AC_ARG_ENABLE([transarc-paths],
 156     [AS_HELP_STRING([--enable-transarc-paths],
 157         [use Transarc style paths like /usr/afs and /usr/vice])],
 158     ,
 159     [enable_transarc_paths="no"])
 160
 161 dnl Optimization and debugging flags.
 162 AC_ARG_ENABLE([strip-binaries],
 163     [AS_HELP_STRING([--disable-strip-binaries],
 164         [disable stripping of symbol information from binaries (defaults to
 165          enabled)])],
 166     ,
 167     [enable_strip_binaries="maybe"])
 168 AC_ARG_ENABLE([debug],
 169     [AS_HELP_STRING([--enable-debug],
 170         [enable compilation of the user space code with debugging information
 171          (defaults to disabled)])],
 172     ,
 173     [enable_debug="no"])
 174 AC_ARG_ENABLE([optimize],
 175     [AS_HELP_STRING([--disable-optimize],
 176         [disable optimization for compilation of the user space code (defaults
 177          to enabled)])],
 178     ,
 179     [enable_optimize="yes"])
 180 AC_ARG_ENABLE([warnings],
 181     [AS_HELP_STRING([--enable-warnings],
 182         [enable compilation warnings when building with gcc (defaults to
 183          disabled)])],
 184     ,
 185     [enable_warnings="no"])
 186 AC_ARG_ENABLE([checking],
 187     [AS_HELP_STRING([--enable-checking],
 188         [turn compilation warnings into errors when building with gcc (defaults
 189          to disabled)])],
 190     [enable_checking="$enableval"],
 191     [enable_checking="no"])
 192 AC_ARG_ENABLE([debug-kernel],
 193     [AS_HELP_STRING([--enable-debug-kernel],
 194         [enable compilation of the kernel module with debugging information
 195          (defaults to disabled)])],
 196     ,
 197     [enable_debug_kernel="no"])
 198 AC_ARG_ENABLE([optimize-kernel],
 199     [AS_HELP_STRING([--disable-optimize-kernel],
 200         [disable compilation of the kernel module with optimization (defaults
 201          based on platform)])],
 202     ,
 203     [enable_optimize_kernel="yes"])
 204 AC_ARG_ENABLE([debug-lwp],
 205     [AS_HELP_STRING([--enable-debug-lwp],
 206         [enable compilation of the LWP code with debugging information
 207          (defaults to disabled)])],
 208     ,
 209     [enable_debug_lwp="no"])
 210 AC_ARG_ENABLE([optimize-lwp],
 211     [AS_HELP_STRING([--disable-optimize-lwp],
 212         [disable optimization for compilation of the LWP code (defaults to
 213          enabled)])],
 214     ,
 215     [enable_optimize_lwp="yes"])
 216 AC_ARG_ENABLE([debug-pam],
 217     [AS_HELP_STRING([--enable-debug-pam],
 218         [enable compilation of the PAM code with debugging information
 219          (defaults to disabled)])],
 220     ,
 221     [enable_debug_pam="no"])
 222 AC_ARG_ENABLE([optimize-pam],
 223     [AS_HELP_STRING([--disable-optimize-pam],
 224         [disable optimization for compilation of the PAM code (defaults to
 225          enabled)])],
 226     ,
 227     [enable_optimize_pam="yes"])
 228 AC_ARG_ENABLE([linux-syscall-probing],
 229     [AS_HELP_STRING([--enable-linux-syscall-probing],
 230         [enable Linux syscall probing (defaults to autodetect)])],
 231     ,
 232     [enable_linux_syscall_probing="maybe"])
 233
 234
 235 AC_ARG_WITH([xslt-processor],
 236         AS_HELP_STRING([--with-xslt-processor=ARG],
 237         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 238         XSLTPROC="$withval",
 239         XSLTPROC="libxslt")
 240
 241 AC_ARG_WITH([html-xsl],
 242         AS_HELP_STRING([--with-html-xsl],
 243         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 244         HTML_XSL="$withval",
 245         HTML_XSL=no)
 246
 247 enable_login="no"
 248
 249 dnl weird ass systems
 250 dnl AC_AIX
 251 AC_ISC_POSIX
 252 dnl AC_MINIX
 253
 254 dnl Various compiler setup.
 255 AC_TYPE_PID_T
 256 AC_TYPE_SIZE_T
 257
 258 dnl Checks for programs.
 259 AC_PROG_INSTALL
 260 AC_PROG_LN_S
 261 AC_PROG_RANLIB
 262 AC_PROG_YACC
 263 AM_PROG_LEX
 264 dnl if we are flex, be lex-compatible
 265 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
 266
 267 OPENAFS_CHECK_BIGENDIAN
 268 OPENAFS_PRINTF_TAKES_Z_LEN
 269
 270 AC_MSG_CHECKING(your OS)
 271 system=$host
 272 case $system in
 273         *-linux*)
 274
 275                 MKAFS_OSTYPE=LINUX
 276                 if test "x$enable_redhat_buildsys" = "xyes"; then
 277                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 278                 fi
 279                 if test "x$enable_kernel_module" = "xyes"; then
 280                  if test "x$with_linux_kernel_headers" != "x"; then
 281                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 282                  else
 283                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 284                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 285                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 286                    fi
 287                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 288                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 289                    fi
 290                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 291                      LINUX_KERNEL_PATH="/usr/src/linux"
 292                    fi
 293                  fi
 294                  if test "x$with_linux_kernel_build" != "x"; then
 295                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 296                  else
 297                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 298                  fi
 299                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 300                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 301                    LINUX_VERSION="$linux_kvers"
 302                  else
 303                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 304                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 305                      LINUX_VERSION="$linux_kvers"
 306                    else
 307                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 308                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 309                        if test "x$linux_kvers" = "x"; then
 310                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 311                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 312                            if test "x$linux_kvers" = "x"; then
 313                              AC_MSG_ERROR(Linux headers lack version definition [2])
 314                              exit 1
 315                            else
 316                              LINUX_VERSION="$linux_kvers"
 317                            fi
 318                          else
 319                            AC_MSG_ERROR(Linux headers lack version definition)
 320                            exit 1
 321                          fi
 322                        else
 323                          LINUX_VERSION="$linux_kvers"
 324                        fi
 325                      else
 326                        enable_kernel_module="no"
 327                      fi
 328                    fi
 329                  fi
 330                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 331                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 332                      enable_kernel_module="no"
 333                  fi
 334                  if test "x$enable_kernel_module" = "xno"; then
 335                   if test "x$with_linux_kernel_headers" != "x"; then
 336                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 337                    exit 1
 338                   else
 339                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 340                   fi
 341                  fi
 342                  dnl do we need to determine SUBARCH from autoconf.h
 343                  SUBARCH=default
 344                 fi
 345                 AC_MSG_RESULT(linux)
 346                 if test "x$enable_kernel_module" = "xyes"; then
 347                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 348                  if test "x${AFS_SYSKVERS}" = "x"; then
 349                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 350                  fi
 351                 fi
 352                 ;;
 353         *-solaris*)
 354                 MKAFS_OSTYPE=SOLARIS
 355                 AC_MSG_RESULT(sun4)
 356                 AC_PATH_PROG(SOLARISCC, [cc], ,
 357                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 358                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 359                 SOLARIS_FS_HAS_FS_ROLLED
 360                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 361                 ;;
 362         *-sunos*)
 363                 MKAFS_OSTYPE=SUNOS
 364                 enable_kernel_module=no
 365                 AC_MSG_RESULT(sun4)
 366                 ;;
 367         *-hpux*)
 368                 MKAFS_OSTYPE=HPUX
 369                 AC_MSG_RESULT(hp_ux)
 370                 if test -f "/usr/old/usr/include/ndir.h"; then
 371                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 372                 fi
 373                 ;;
 374         *-irix*)
 375                 if test -d /usr/include/sys/SN/SN1; then
 376                  IRIX_BUILD_IP35="IP35"
 377                 fi
 378                 MKAFS_OSTYPE=IRIX
 379                 AC_MSG_RESULT(sgi)
 380                 ;;
 381         *-aix*)
 382                 MKAFS_OSTYPE=AIX
 383                 AC_MSG_RESULT(rs_aix)
 384                 ;;
 385         arm-*-darwin*)
 386                 MKAFS_OSTYPE=DARWIN
 387                 AC_MSG_RESULT(arm_darwin)
 388                 ;;
 389         powerpc-*-darwin*)
 390                 MKAFS_OSTYPE=DARWIN
 391                 AC_MSG_RESULT(ppc_darwin)
 392                 ;;
 393         i386-*-darwin*)
 394                 MKAFS_OSTYPE=DARWIN
 395                 AC_MSG_RESULT(x86_darwin)
 396                 ;;
 397         x86_64-*-darwin*)
 398                 MKAFS_OSTYPE=DARWIN
 399                 AC_MSG_RESULT(x86_darwin)
 400                 ;;
 401         i386-*-freebsd*)
 402                 MKAFS_OSTYPE=FBSD
 403                 AC_MSG_RESULT(i386_fbsd)
 404                 ;;
 405         x86_64-*-freebsd*)
 406                 MKAFS_OSTYPE=FBSD
 407                 AC_MSG_RESULT(amd64_fbsd)
 408                 ;;
 409         *-netbsd*)
 410                 MKAFS_OSTYPE=NBSD
 411                 AC_MSG_RESULT(nbsd)
 412                 ;;
 413         x86_64-*-openbsd*)
 414                 MKAFS_OSTYPE=OBSD
 415                 AC_MSG_RESULT(amd64_obsd)
 416                 ;;
 417         i386-*-openbsd*)
 418                 MKAFS_OSTYPE=OBSD
 419                 AC_MSG_RESULT(i386_obsd)
 420                 ;;
 421         *-dragonfly*)
 422                 MKAFS_OSTYPE=DFBSD
 423                 AC_MSG_RESULT(i386_dfbsd)
 424                 ;;
 425         *)
 426                 AC_MSG_RESULT($system)
 427                 ;;
 428 esac
 429
 430 if test "x$with_afs_sysname" != "x"; then
 431         AFS_SYSNAME="$with_afs_sysname"
 432 else
 433         AC_MSG_CHECKING(your AFS sysname)
 434         case $host in
 435                 i?86-*-openbsd?.?)
 436                         v=${host#*openbsd}
 437                         vM=${v%.*}
 438                         vm=${v#*.}
 439                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 440                         ;;
 441                 sparc64-*-openbsd?.?)
 442                         v=${host#*openbsd}
 443                         vM=${v%.*}
 444                         vm=${v#*.}
 445                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 446                         ;;
 447                 x86_64-*-openbsd?.?)
 448                         v=${host#*openbsd}
 449                         vM=${v%.*}
 450                         vm=${v#*.}
 451                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 452                         ;;
 453                 i?86-*-freebsd?.*)
 454                         v=${host#*freebsd}
 455                         vM=${v%.*}
 456                         vm=${v#*.}
 457                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 458                         ;;
 459                 x86_64-*-freebsd?.*)
 460                         v=${host#*freebsd}
 461                         vM=${v%.*}
 462                         vm=${v#*.}
 463                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 464                         ;;
 465                 i386-*-dragonfly2.2*)
 466                         AFS_SYSNAME="i386_dfbsd_23"
 467                         ;;
 468                 i386-*-dragonfly2.3*)
 469                         AFS_SYSNAME="i386_dfbsd_23"
 470                         ;;
 471                 i?86-*-netbsd*1.6[[M-Z]]*)
 472                         AFS_SYSNAME="i386_nbsd20"
 473                         ;;
 474                 powerpc-*-netbsd*1.6[[M-Z]]*)
 475                         AFS_SYSNAME="ppc_nbsd20"
 476                         ;;
 477                 *-*-netbsd*)
 478                         arch=${host%%-unknown*}
 479                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 480                                                -e 's/powerpc/ppc/g')
 481                         v=${host#*netbsd}
 482                         v=${v#*aout}
 483                         v=${v#*ecoff}
 484                         v=${v#*elf}
 485                         vM=${v%%.*}
 486                         vM=${vM%.*}
 487                         v=${v#*.}
 488                         vm=${v%%.*}
 489                         vm=${vm%.*}
 490                         vm=${vm%%[[_A-Z]]*}
 491                         if test $vm -eq 99 ; then
 492                                 vM=$((vM+1))
 493                         fi
 494                         if test $vM -gt 1 ; then
 495                                 vm=0
 496                         fi
 497                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 498                         ;;
 499                 hppa*-hp-hpux11.0*)
 500                         AFS_SYSNAME="hp_ux110"
 501                         ;;
 502                 hppa*-hp-hpux11.11)
 503                         AFS_SYSNAME="hp_ux11i"
 504                         ;;
 505                 hppa*-hp-hpux11.23)
 506                         AFS_SYSNAME="hp_ux1123"
 507                         ;;
 508                 ia64-hp-hpux11.22)
 509                         AFS_SYSNAME="ia64_hpux1122"
 510                         ;;
 511                 ia64-hp-hpux*)
 512                         AFS_SYSNAME="ia64_hpux1123"
 513                         ;;
 514                 hppa*-hp-hpux10*)
 515                         AFS_SYSNAME="hp_ux102"
 516                         ;;
 517                 powerpc-apple-darwin7*)
 518                         AFS_SYSNAME="ppc_darwin_70"
 519                         ;;
 520                 powerpc-apple-darwin8.*)
 521                         AFS_SYSNAME="ppc_darwin_80"
 522                         ;;
 523                 i386-apple-darwin8.*)
 524                         AFS_SYSNAME="x86_darwin_80"
 525                         ;;
 526                 powerpc-apple-darwin9.*)
 527                         AFS_SYSNAME="ppc_darwin_90"
 528                         ;;
 529                 i386-apple-darwin9.*)
 530                         AFS_SYSNAME="x86_darwin_90"
 531                         ;;
 532                 i?86-apple-darwin10.*)
 533                         AFS_SYSNAME="x86_darwin_100"
 534                         ;;
 535                 x86_64-apple-darwin10.*)
 536                         AFS_SYSNAME="x86_darwin_100"
 537                         ;;
 538                 sparc-sun-solaris2.5*)
 539                         AFS_SYSNAME="sun4x_55"
 540                         enable_login="yes"
 541                         ;;
 542                 sparc-sun-solaris2.6)
 543                         AFS_SYSNAME="sun4x_56"
 544                         ;;
 545                 sparc-sun-solaris2.7)
 546                         AFS_SYSNAME="sun4x_57"
 547                         ;;
 548                 sparc-sun-solaris2.8)
 549                         AFS_SYSNAME="sun4x_58"
 550                         ;;
 551                 sparc-sun-solaris2.9)
 552                         AFS_SYSNAME="sun4x_59"
 553                         ;;
 554                 sparc-sun-solaris2.10)
 555                         AFS_SYSNAME="sun4x_510"
 556                         ;;
 557                 sparc-sun-solaris2.11)
 558                         AFS_SYSNAME="sun4x_511"
 559                         ;;
 560                 sparc-sun-sunos4*)
 561                         AFS_SYSNAME="sun4_413"
 562                         enable_login="yes"
 563                         ;;
 564                 i386-pc-solaris2.7)
 565                         AFS_SYSNAME="sunx86_57"
 566                         ;;
 567                 i386-pc-solaris2.8)
 568                         AFS_SYSNAME="sunx86_58"
 569                         ;;
 570                 i386-pc-solaris2.9)
 571                         AFS_SYSNAME="sunx86_59"
 572                         ;;
 573                 i386-pc-solaris2.10)
 574                         AFS_SYSNAME="sunx86_510"
 575                         ;;
 576                 i386-pc-solaris2.11)
 577                         AFS_SYSNAME="sunx86_511"
 578                         ;;
 579                 alpha*-dec-osf4.0*)
 580                         AFS_SYSNAME="alpha_dux40"
 581                         ;;
 582                 alpha*-dec-osf5.0*)
 583                         AFS_SYSNAME="alpha_dux50"
 584                         ;;
 585                 alpha*-dec-osf5.1*)
 586                         AFS_SYSNAME="alpha_dux51"
 587                         ;;
 588                 mips-sgi-irix6.5)
 589                         AFS_SYSNAME="sgi_65"
 590                         ;;
 591                 ia64-*-linux*)
 592                         AFS_SYSNAME="ia64_linuxXX"
 593                         ;;
 594                 powerpc-*-linux*)
 595                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 596                         ;;
 597                 powerpc64-*-linux*)
 598                         AFS_SYSNAME="ppc64_linuxXX"
 599                         ;;
 600                 alpha*-linux*)
 601                         AFS_SYSNAME="alpha_linux_XX"
 602                         ;;
 603                 s390-*-linux*)
 604                         AFS_SYSNAME="s390_linuxXX"
 605                         ;;
 606                 s390x-*-linux*)
 607                         AFS_SYSNAME="s390x_linuxXX"
 608                         ;;
 609                 sparc-*-linux*)
 610                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 611                         ;;
 612                 sparc64-*-linux*)
 613                         AFS_SYSNAME="sparc64_linuxXX"
 614                         ;;
 615                 i?86-*-linux*)
 616                         AFS_SYSNAME="i386_linuxXX"
 617                         ;;
 618                 arm*-linux*)
 619                         AFS_SYSNAME="arm_linuxXX"
 620                         ;;
 621                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 622                         AFS_SYSNAME="parisc_linuxXX"
 623                         enable_pam="no"
 624                         ;;
 625                 power*-ibm-aix4.2*)
 626                         AFS_SYSNAME="rs_aix42"
 627                         enable_pam="no"
 628                         ;;
 629                 power*-ibm-aix4.3*)
 630                         AFS_SYSNAME="rs_aix42"
 631                         enable_pam="no"
 632                         ;;
 633                 power*-ibm-aix5.1*)
 634                         AFS_SYSNAME="rs_aix51"
 635                         enable_pam="no"
 636                         ;;
 637                 power*-ibm-aix5.2*)
 638                         AFS_SYSNAME="rs_aix52"
 639                         enable_pam="no"
 640                         ;;
 641                 power*-ibm-aix5.3*)
 642                         AFS_SYSNAME="rs_aix53"
 643                         enable_pam="no"
 644                         ;;
 645                 power*-ibm-aix6.1*)
 646                         AFS_SYSNAME="rs_aix61"
 647                         enable_pam="no"
 648                         ;;
 649                 x86_64-*-linux-gnu)
 650                         AFS_SYSNAME="amd64_linuxXX"
 651                         enable_pam="yes"
 652                         ;;
 653                 *)
 654                         AC_MSG_ERROR(An AFS sysname is required)
 655                         exit 1
 656                         ;;
 657         esac
 658         case $AFS_SYSNAME in
 659                 *_linux* | *_umlinux*)
 660                         if test "x${AFS_SYSKVERS}" = "x"; then
 661                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 662                         fi
 663                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 664                         AFS_SYSNAME="$_AFS_SYSNAME"
 665                         AC_TRY_KBUILD(
 666                          [],
 667                          [#ifndef CONFIG_USERMODE
 668                           #error not UML
 669                           #endif],
 670                          ac_cv_linux_is_uml=yes,)
 671                         if test "${ac_cv_linux_is_uml}" = yes; then
 672                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 673                         fi
 674                         AFS_SYSNAME="$_AFS_SYSNAME"
 675                         ;;
 676         esac
 677         AC_MSG_RESULT($AFS_SYSNAME)
 678 fi
 679
 680 case $AFS_SYSNAME in
 681         *_darwin*)
 682                 AC_CHECK_HEADERS(crt_externs.h)
 683                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 684                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 685                 ;;
 686 esac
 687
 688 dnl Some hosts have a separate common param file they should include.  Figure
 689 dnl out if we're on one of them now that we know the sysname.
 690 case $AFS_SYSNAME in
 691     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 692     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 693     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 694     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 695     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 696     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 697     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 698     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 699     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 700     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 701     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 702     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 703     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 704     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 705     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 706     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 707     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 708     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 709     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 710     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 711     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 712     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 713     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 714     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 715     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 716     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 717 # Linux alpha adds an extra underscore for no good reason.
 718     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 719     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 720     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 721 esac
 722
 723 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 724
 725                 # Add (sub-) architecture-specific paths needed by conftests
 726                 case $AFS_SYSNAME  in
 727                         *_umlinux26)
 728                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 729                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 730                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 731                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 732                 esac
 733
 734                 if test "x$enable_kernel_module" = "xyes"; then
 735                  if test "x$enable_debug_kernel" = "xno"; then
 736                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 737                  fi
 738                  OPENAFS_GCC_SUPPORTS_MARCH
 739                  AC_SUBST(P5PLUS_KOPTS)
 740                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 741                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 742                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 743                  OPENAFS_GCC_SUPPORTS_PIPE
 744                  AC_SUBST(LINUX_GCC_KOPTS)
 745
 746                  dnl Setup the kernel build environment
 747                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 748                  LINUX_KERNEL_COMPILE_WORKS
 749
 750                  dnl Check for header files
 751                  AC_CHECK_LINUX_HEADER([config.h])
 752                  AC_CHECK_LINUX_HEADER([completion.h])
 753                  AC_CHECK_LINUX_HEADER([exportfs.h])
 754                  AC_CHECK_LINUX_HEADER([freezer.h])
 755                  AC_CHECK_LINUX_HEADER([key-type.h])
 756                  AC_CHECK_LINUX_HEADER([semaphore.h])
 757                  AC_CHECK_LINUX_HEADER([seq_file.h])
 758
 759                  dnl Check for structure elements
 760                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 761                                        [write_begin], [fs.h])
 762                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 763                                        [backing-dev.h])
 764                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 765                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 766                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 767                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 768                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 769                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 770                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 771                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 772                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 773                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 774                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 775                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 776                                        [fs.h])
 777                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 778                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 779                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 780                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 781                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 782                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 783                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 784                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 785                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 786                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 787                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 788
 789                  dnl Function existence checks
 790
 791                  AC_CHECK_LINUX_FUNC([bdi_init],
 792                                      [#include <linux/backing-dev.h>],
 793                                      [bdi_init(NULL);])
 794                  AC_CHECK_LINUX_FUNC([PageChecked],
 795                                      [#include <linux/mm.h>
 796 #include <linux/page-flags.h>],
 797                                      [struct page *_page;
 798                                       int bchecked = PageChecked(_page);])
 799                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 800                                      [#include <linux/mm.h>
 801 #include <linux/page-flags.h>],
 802                                      [struct page *_page;
 803                                       int bchecked = PageFsMisc(_page);])
 804                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 805                                      [#include <linux/time.h>],
 806                                      [struct timespec s;
 807                                       s = current_kernel_time();])
 808                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 809                                      [#include <linux/dcache.h>],
 810                                      [d_alloc_anon(NULL);])
 811                  AC_CHECK_LINUX_FUNC([do_sync_read],
 812                                      [#include <linux/fs.h>],
 813                                      [do_sync_read(NULL, NULL, 0, NULL);])
 814                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 815                                      [#include <linux/sched.h>],
 816                                      [pid_t p; find_task_by_pid(p);])
 817                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 818                                      [#include <linux/fs.h>],
 819                                      [generic_file_aio_read(NULL,NULL,0,0);])
 820                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 821                                      [#include <linux/pagemap.h>],
 822                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 823                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 824                                      [#include <linux/list.h>],
 825                                      [hlist_unhashed(0);])
 826                  AC_CHECK_LINUX_FUNC([i_size_read],
 827                                      [#include <linux/fs.h>],
 828                                      [i_size_read(NULL);])
 829                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 830                                      [#include <linux/net.h>],
 831                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 832                  AC_CHECK_LINUX_FUNC([page_follow_link],
 833                                      [#include <linux/fs.h>],
 834                                      [page_follow_link(0,0);])
 835                  AC_CHECK_LINUX_FUNC([page_offset],
 836                                      [#include <linux/pagemap.h>],
 837                                      [page_offset(NULL);])
 838                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 839                                      [#include <linux/pagevec.h>],
 840                                      [__pagevec_lru_add_file(NULL);])
 841                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 842                                      [#include <linux/rcupdate.h>],
 843                                      [rcu_read_lock();])
 844                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 845                                      [#include <linux/splice.h>],
 846                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 847                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 848                                      [#include <linux/sunrpc/svc.h>],
 849                                      [svc_addr_in(NULL);])
 850                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 851                                      [#include <linux/highmem.h>],
 852                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 853
 854                  dnl Consequences - things which get set as a result of the
 855                  dnl                above tests
 856                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 857                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 858                                   [define to disable the nfs translator])])
 859
 860                  dnl Assorted more complex tests
 861                  LINUX_EXPORTS_PROC_ROOT_FS
 862                  LINUX_KMEM_CACHE_INIT
 863                  LINUX_HAVE_KMEM_CACHE_T
 864                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 865                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 866                  LINUX_D_PATH_TAKES_STRUCT_PATH
 867                  LINUX_NEW_EXPORT_OPS
 868                  LINUX_INODE_SETATTR_RETURN_TYPE
 869                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 870                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 871                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 872                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 873                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 874                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 875                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 876                  LINUX_AOP_WRITEBACK_CONTROL
 877                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 878                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 879                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 880                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 881                  LINUX_KERNEL_SOCK_CREATE
 882                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 883                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 884                  LINUX_NEED_RHCONFIG
 885                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 886                  LINUX_EXPORTS_TASKLIST_LOCK
 887                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 888                  LINUX_STATFS_TAKES_DENTRY
 889                  LINUX_REFRIGERATOR
 890                  LINUX_HAVE_TRY_TO_FREEZE
 891                  LINUX_LINUX_KEYRING_SUPPORT
 892                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 893                  LINUX_KEY_ALLOC_NEEDS_CRED
 894                  LINUX_INIT_WORK_HAS_DATA
 895                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 896
 897                  dnl If we are guaranteed that keyrings will work - that is
 898                  dnl  a) The kernel has keyrings enabled
 899                  dnl  b) The code is new enough to give us a key_type_keyring
 900                  dnl then we just disable syscall probing unless we've been
 901                  dnl told otherwise
 902
 903                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 904                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 905                           [enable_linux_syscall_probing="no"],
 906                           [enable_linux_syscall_probing="yes"])
 907                  ])
 908
 909                  dnl Syscall probing needs a few tests of its own, and just
 910                  dnl won't work if the kernel doesn't export init_mm
 911                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 912                    LINUX_EXPORTS_INIT_MM
 913                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 914                      AC_MSG_ERROR(
 915                        [Can't do syscall probing without exported init_mm])
 916                    ])
 917                    LINUX_EXPORTS_SYS_CHDIR
 918                    LINUX_EXPORTS_SYS_OPEN
 919                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 920                              [define to enable syscall table probes])
 921                  ])
 922
 923                  dnl Packaging and SMP build
 924                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 925                    LINUX_WHICH_MODULES
 926                  else
 927                    AC_SUBST(MPS,'SP')
 928                  fi
 929
 930                  dnl Syscall probing
 931                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 932                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 933                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 934                    ])
 935                    ac_cv_linux_exports_sys_call_table=no
 936                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 937                      ac_cv_linux_exports_ia32_sys_call_table=yes
 938                    fi
 939                  else
 940                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 941                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 942                    LINUX_EXPORTS_SYS_CALL_TABLE
 943                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 944                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 945                          linux_syscall_method=none
 946                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 947                             linux_syscall_method=scan
 948                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 949                                linux_syscall_method=scan_with_kallsyms_address
 950                             fi
 951                          fi
 952                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 953                             linux_syscall_method=kallsyms_symbol
 954                          fi
 955                          if test "x$linux_syscall_method" = "xnone"; then
 956                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 957                             linux_syscall_method=scan
 958                          fi
 959                    fi
 960                  fi
 961                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 962                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 963                  fi
 964                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 965                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 966                  fi
 967                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 968                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 969                  else
 970                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 971                  fi
 972                 :
 973                 fi
 974 dnl Linux-only, but just enable always.
 975                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
 976 esac
 977
 978 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 979     [ac_cv_sockaddr_len],
 980     [AC_TRY_COMPILE( [#include <sys/types.h>
 981 #include <sys/socket.h>],
 982                      [struct sockaddr *a; a->sa_len=0;],
 983                      [ac_cv_sockaddr_len=yes],
 984                      [ac_cv_sockaddr_len=no])
 985 ])
 986 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
 987       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
 988                  [define if you struct sockaddr sa_len])])
 989
 990 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 991         echo Skipping library tests because they confuse Irix.
 992 else
 993   AC_SEARCH_LIBS([socket], [socket inet])
 994   AC_SEARCH_LIBS([connect], [nsl])
 995   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
 996
 997   dnl darwin wants it, aix hates it
 998   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
 999   AC_TRY_COMPILE([
1000   #include <stdlib.h>
1001   #include <stdio.h>
1002   #include <sys/types.h>
1003   #include <sys/socket.h>
1004   #include <netinet/in.h>
1005   #include <arpa/inet.h>
1006   #include <arpa/nameser.h>
1007   #include <arpa/nameser_compat.h>
1008   #include <resolv.h>
1009   ], [static int i; i = 0;],
1010   [AC_MSG_RESULT(yes)
1011    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1012   [AC_MSG_RESULT(no)
1013    ])
1014
1015   openafs_save_libs="$LIBS"
1016   AC_MSG_CHECKING([for res_search])
1017   AC_FUNC_RES_SEARCH
1018
1019   if test "$ac_cv_func_res_search" = no; then
1020       for lib in dns nsl resolv; do
1021         if test "$ac_cv_func_res_search" != yes; then
1022           LIBS="-l$lib $LIBS"
1023           AC_FUNC_RES_SEARCH
1024           LIBS="$openafs_save_libs"
1025         fi
1026       done
1027       if test "$ac_cv_func_res_search" = yes; then
1028         LIB_AFSDB="-l$lib"
1029         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1030         AC_MSG_RESULT([yes, in lib$lib])
1031       else
1032         AC_MSG_RESULT(no)
1033       fi
1034   else
1035     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1036     AC_MSG_RESULT(yes)
1037   fi
1038
1039 fi
1040
1041 AC_CHECK_RESOLV_RETRANS
1042
1043 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1044     [ac_cv_setsockopt_iprecverr],
1045     [AC_TRY_COMPILE( [
1046 #include <sys/types.h>
1047 #include <sys/socket.h>
1048 #include <netinet/in.h>],
1049 [int on=1;
1050 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1051         [ac_cv_setsockopt_iprecverr=yes],
1052         [ac_cv_setsockopt_iprecverr=no])])
1053
1054 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1055       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1056                  [define if asynchronous socket errors can be received])])
1057
1058 PTHREAD_LIBS=error
1059 if test "x$MKAFS_OSTYPE" = OBSD; then
1060         PTHREAD_LIBS="-pthread"
1061 fi
1062 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1063         PTHREAD_LIBS="-pthread"
1064 fi
1065 if test "x$PTHREAD_LIBS" = xerror; then
1066         AC_CHECK_LIB(pthread, pthread_attr_init,
1067                 PTHREAD_LIBS="-lpthread")
1068 fi
1069 if test "x$PTHREAD_LIBS" = xerror; then
1070         AC_CHECK_LIB(pthreads, pthread_attr_init,
1071                 PTHREAD_LIBS="-lpthreads")
1072 fi
1073 if test "x$PTHREAD_LIBS" = xerror; then
1074         AC_CHECK_LIB(c_r, pthread_attr_init,
1075                 PTHREAD_LIBS="-lc_r")
1076 fi
1077 if test "x$PTHREAD_LIBS" = xerror; then
1078         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1079 fi
1080 if test "x$PTHREAD_LIBS" = xerror; then
1081         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1082         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1083                 PTHREAD_LIBS="-lpthread")
1084 fi
1085 if test "x$PTHREAD_LIBS" = xerror; then
1086         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1087 fi
1088 AC_SUBST(PTHREAD_LIBS)
1089
1090 HOST_CPU="$host_cpu"
1091
1092 if test "x$with_bsd_kernel_headers" != "x"; then
1093         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1094 else
1095         BSD_KERNEL_PATH="/usr/src/sys"
1096 fi
1097
1098 if test "x$with_bsd_kernel_build" != "x"; then
1099         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1100 else
1101         case $AFS_SYSNAME in
1102                 *_fbsd_*)
1103                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1104                         ;;
1105                 *_nbsd*)
1106                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1107         esac
1108 fi
1109
1110 # Fast restart
1111 if test "$enable_supergroups" = "yes"; then
1112         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1113 fi
1114
1115 if test "$enable_bitmap_later" = "yes"; then
1116         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1117 fi
1118
1119 if test "$enable_unix_sockets" = "yes"; then
1120         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1121         USE_UNIX_SOCKETS="yes"
1122 else
1123         USE_UNIX_SOCKETS="no"
1124 fi
1125 AC_SUBST(USE_UNIX_SOCKETS)
1126
1127 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1128         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1129 fi
1130
1131 if test "$enable_namei_fileserver" = "yes"; then
1132         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1133         VFSCK=""
1134 else
1135         if test "$enable_namei_fileserver" = "default"; then
1136                 case $host in
1137                         *-solaris2.10*)
1138                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1139                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1140                                 VFSCK=""
1141                                 ;;
1142                         *-solaris2.11*)
1143                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1144                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1145                                 VFSCK=""
1146                                 ;;
1147                         *)
1148                                 VFSCK="vfsck"
1149                                 ;;
1150                 esac
1151         else
1152                 VFSCK="vfsck"
1153         fi
1154 fi
1155
1156 dnl check for tivoli
1157 AC_MSG_CHECKING(for tivoli tsm butc support)
1158 XBSA_CFLAGS=""
1159 if test "$enable_tivoli_tsm" = "yes"; then
1160         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1161         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1162         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1163         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1164
1165         if test -r "$XBSADIR3/dsmapifp.h"; then
1166                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1167                 XBSA_XLIBS="-ldl"
1168                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1169         elif test -r "$XBSADIR4/dsmapifp.h"; then
1170                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1171                 XBSA_XLIBS="-ldl"
1172                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1173         elif test -r "$XBSADIR1/xbsa.h"; then
1174                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1175                 XBSA_XLIBS=""
1176                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1177         elif test -r "$XBSADIR2/xbsa.h"; then
1178                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1179                 XBSA_XLIBS=""
1180                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1181         else
1182                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1183         fi
1184 else
1185         AC_MSG_RESULT([no])
1186 fi
1187 AC_SUBST(XBSA_CFLAGS)
1188 AC_SUBST(XBSA_XLIBS)
1189
1190 dnl checks for header files.
1191 AC_HEADER_STDC
1192 AC_HEADER_SYS_WAIT
1193 AC_HEADER_DIRENT
1194 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1195 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1196 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1197 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1198 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h)
1199 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1200 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1201 AC_CHECK_HEADERS(et/com_err.h)
1202
1203 AC_CHECK_TYPES([fsblkcnt_t],,,[
1204 #include <sys/types.h>
1205 #ifdef HAVE_SYS_BITYPES_H
1206 #include <sys/bitypes.h>
1207 #endif
1208 #ifdef HAVE_SYS_STATFS_H
1209 #include <sys/statfs.h>
1210 #endif
1211 #ifdef HAVE_SYS_STATVFS_H
1212 #include <sys/statvfs.h>
1213 #endif
1214 ])
1215
1216 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1217
1218 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1219 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1220         case $AFS_SYSNAME in
1221         sgi_*)
1222                 HAVE_PAM="no"
1223                 ;;
1224         *)
1225                 HAVE_PAM="yes"
1226                 ;;
1227         esac
1228 else
1229         HAVE_PAM="no"
1230 fi
1231 AC_SUBST(HAVE_PAM)
1232
1233 if test "$enable_login" = yes; then
1234         BUILD_LOGIN="yes"
1235 else
1236         BUILD_LOGIN="no"
1237 fi
1238 AC_SUBST(BUILD_LOGIN)
1239
1240 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock getrlimit)
1241 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1242 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1243 AC_CHECK_FUNCS(regcomp regexec regerror)
1244 AC_CHECK_FUNCS(fseeko64 ftello64)
1245 AC_MSG_CHECKING([for POSIX regex library])
1246 if test "$ac_cv_header_regex_h" = "yes" && \
1247         test "$ac_cv_func_regcomp" = "yes" && \
1248         test "$ac_cv_func_regexec" = "yes" && \
1249         test "$ac_cv_func_regerror" = "yes"; then
1250     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1251     AC_MSG_RESULT(yes)
1252 else
1253     AC_MSG_RESULT(no)
1254 fi
1255
1256 AC_TYPE_SIGNAL
1257 AC_CHECK_SIZEOF(void *)
1258 AC_CHECK_SIZEOF(unsigned long long)
1259 AC_CHECK_SIZEOF(unsigned long)
1260 AC_CHECK_SIZEOF(unsigned int)
1261 AC_TYPE_INTPTR_T
1262 AC_TYPE_UINTPTR_T
1263 AC_TYPE_SSIZE_T
1264 AC_CHECK_TYPE([sig_atomic_t],[],
1265     [AC_DEFINE([sig_atomic_t], [int],
1266         [Define to int if <signal.h> does not define.])],
1267 [#include <sys/types.h>
1268 #include <signal.h>])
1269 AC_CHECK_TYPE([socklen_t],[],
1270     [AC_DEFINE([socklen_t], [int],
1271         [Define to int if <sys/socket.h> does not define.])],
1272 [#include <sys/types.h>
1273 #include <sys/socket.h>])
1274 AC_CHECK_TYPES(off64_t)
1275 AC_SIZEOF_TYPE(long)
1276
1277 AC_HEADER_PAM_CONST
1278
1279 AC_CHECK_FUNCS(timegm)
1280 AC_CHECK_FUNCS(daemon)
1281
1282 dnl Directory PATH handling
1283 if test "x$enable_transarc_paths" = "xyes"  ; then
1284     afsconfdir=${afsconfdir=/usr/afs/etc}
1285     viceetcdir=${viceetcdir=/usr/vice/etc}
1286     afskerneldir=${afskerneldir=${viceetcdir}}
1287     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1288     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1289     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1290     afsdbdir=${afsdbdir=/usr/afs/db}
1291     afslogsdir=${afslogsdir=/usr/afs/logs}
1292     afslocaldir=${afslocaldir=/usr/afs/local}
1293     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1294     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1295     afsdatadir=${afsdatadir=/usr/vice/etc}
1296 else
1297     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1298     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1299     afskerneldir=${afskerneldir='${libdir}/openafs'}
1300     afssrvbindir=${afssrvbindir='${bindir}'}
1301     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1302     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1303     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1304     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1305     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1306     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1307     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1308     afsdatadir=${afsdatadir='${datadir}/openafs'}
1309 fi
1310 AC_SUBST(afsconfdir)
1311 AC_SUBST(viceetcdir)
1312 AC_SUBST(afskerneldir)
1313 AC_SUBST(afssrvbindir)
1314 AC_SUBST(afssrvsbindir)
1315 AC_SUBST(afssrvlibexecdir)
1316 AC_SUBST(afsdbdir)
1317 AC_SUBST(afslogsdir)
1318 AC_SUBST(afslocaldir)
1319 AC_SUBST(afsbackupdir)
1320 AC_SUBST(afsbosconfigdir)
1321 AC_SUBST(afsdatadir)
1322
1323 if test "x$enable_kernel_module" = "xyes"; then
1324 ENABLE_KERNEL_MODULE=libafs
1325 fi
1326
1327 if test "x$enable_pthreaded_ubik" = "xyes"; then
1328 ENABLE_PTHREADED_UBIK=yes
1329 fi
1330
1331 AC_SUBST(VFSCK)
1332 AC_SUBST(AFS_SYSNAME)
1333 AC_SUBST(AFS_PARAM_COMMON)
1334 AC_SUBST(ENABLE_KERNEL_MODULE)
1335 AC_SUBST(ENABLE_PTHREADED_UBIK)
1336 AC_SUBST(LIB_AFSDB)
1337 AC_SUBST(LINUX_KERNEL_PATH)
1338 AC_SUBST(LINUX_KERNEL_BUILD)
1339 AC_SUBST(HOST_CPU)
1340 AC_SUBST(BSD_KERNEL_PATH)
1341 AC_SUBST(BSD_KERNEL_BUILD)
1342 AC_SUBST(LINUX_VERSION)
1343 AC_SUBST(MKAFS_OSTYPE)
1344 AC_SUBST(TOP_OBJDIR)
1345 AC_SUBST(TOP_SRCDIR)
1346 AC_SUBST(TOP_INCDIR)
1347 AC_SUBST(TOP_LIBDIR)
1348 AC_SUBST(DEST)
1349 AC_SUBST(DARWIN_INFOFILE)
1350 AC_SUBST(IRIX_BUILD_IP35)
1351 AC_SUBST(HTML_XSL)
1352 AC_SUBST(XSLTPROC)
1353
1354 OPENAFS_OSCONF
1355 OPENAFS_FUSE
1356
1357 TOP_SRCDIR="${srcdir}/src"
1358 dnl
1359 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1360 dnl
1361 case $TOP_SRCDIR in
1362         /*)
1363                 ;;
1364         *)
1365                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1366                 ;;
1367 esac
1368
1369 TOP_OBJDIR="${SRCDIR_PARENT}"
1370 TOP_INCDIR="${SRCDIR_PARENT}/include"
1371 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1372 if test "${DEST}x" = "x"; then
1373         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1374 fi
1375
1376 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1377 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1378 AC_SUBST(HELPER_SPLINT)
1379 AC_SUBST(HELPER_SPLINTCFG)
1380
1381 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1382
1383
1384 dnl Check to see if crypt lives in a different library
1385 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1386 AC_SUBST(LIB_crypt)
1387 ])