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], ["$LEX -l"])])
 266
 267 OPENAFS_FORCE_ABS_INSTALL
 268 OPENAFS_CHECK_BIGENDIAN
 269 OPENAFS_PRINTF_TAKES_Z_LEN
 270
 271 AC_MSG_CHECKING(your OS)
 272 system=$host
 273 case $system in
 274         *-linux*)
 275
 276                 MKAFS_OSTYPE=LINUX
 277                 if test "x$enable_redhat_buildsys" = "xyes"; then
 278                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 279                 fi
 280                 if test "x$enable_kernel_module" = "xyes"; then
 281                  if test "x$with_linux_kernel_headers" != "x"; then
 282                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 283                  else
 284                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 285                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 286                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 287                    fi
 288                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 289                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 290                    fi
 291                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 292                      LINUX_KERNEL_PATH="/usr/src/linux"
 293                    fi
 294                  fi
 295                  if test "x$with_linux_kernel_build" != "x"; then
 296                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 297                  else
 298                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 299                  fi
 300                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 301                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 302                    LINUX_VERSION="$linux_kvers"
 303                  else
 304                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 305                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 306                      LINUX_VERSION="$linux_kvers"
 307                    else
 308                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 309                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 310                        if test "x$linux_kvers" = "x"; then
 311                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 312                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 313                            if test "x$linux_kvers" = "x"; then
 314                              AC_MSG_ERROR(Linux headers lack version definition [2])
 315                              exit 1
 316                            else
 317                              LINUX_VERSION="$linux_kvers"
 318                            fi
 319                          else
 320                            AC_MSG_ERROR(Linux headers lack version definition)
 321                            exit 1
 322                          fi
 323                        else
 324                          LINUX_VERSION="$linux_kvers"
 325                        fi
 326                      else
 327                        enable_kernel_module="no"
 328                      fi
 329                    fi
 330                  fi
 331                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 332                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 333                      enable_kernel_module="no"
 334                  fi
 335                  if test "x$enable_kernel_module" = "xno"; then
 336                   if test "x$with_linux_kernel_headers" != "x"; then
 337                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 338                    exit 1
 339                   else
 340                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 341                   fi
 342                  fi
 343                  dnl do we need to determine SUBARCH from autoconf.h
 344                  SUBARCH=default
 345                 fi
 346                 AC_MSG_RESULT(linux)
 347                 if test "x$enable_kernel_module" = "xyes"; then
 348                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 349                  if test "x${AFS_SYSKVERS}" = "x"; then
 350                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 351                  fi
 352                 fi
 353                 ;;
 354         *-solaris*)
 355                 MKAFS_OSTYPE=SOLARIS
 356                 AC_MSG_RESULT(sun4)
 357                 AC_PATH_PROG(SOLARISCC, [cc], ,
 358                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 359                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 360                 SOLARIS_FS_HAS_FS_ROLLED
 361                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 362                 ;;
 363         *-sunos*)
 364                 MKAFS_OSTYPE=SUNOS
 365                 enable_kernel_module=no
 366                 AC_MSG_RESULT(sun4)
 367                 ;;
 368         *-hpux*)
 369                 MKAFS_OSTYPE=HPUX
 370                 AC_MSG_RESULT(hp_ux)
 371                 if test -f "/usr/old/usr/include/ndir.h"; then
 372                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 373                 fi
 374                 ;;
 375         *-irix*)
 376                 if test -d /usr/include/sys/SN/SN1; then
 377                  IRIX_BUILD_IP35="IP35"
 378                 fi
 379                 MKAFS_OSTYPE=IRIX
 380                 AC_MSG_RESULT(sgi)
 381                 ;;
 382         *-aix*)
 383                 MKAFS_OSTYPE=AIX
 384                 AC_MSG_RESULT(rs_aix)
 385                 ;;
 386         arm-*-darwin*)
 387                 MKAFS_OSTYPE=DARWIN
 388                 AC_MSG_RESULT(arm_darwin)
 389                 ;;
 390         powerpc-*-darwin*)
 391                 MKAFS_OSTYPE=DARWIN
 392                 AC_MSG_RESULT(ppc_darwin)
 393                 ;;
 394         i386-*-darwin*)
 395                 MKAFS_OSTYPE=DARWIN
 396                 AC_MSG_RESULT(x86_darwin)
 397                 ;;
 398         x86_64-*-darwin*)
 399                 MKAFS_OSTYPE=DARWIN
 400                 AC_MSG_RESULT(x86_darwin)
 401                 ;;
 402         i386-*-freebsd*)
 403                 MKAFS_OSTYPE=FBSD
 404                 AC_MSG_RESULT(i386_fbsd)
 405                 ;;
 406         x86_64-*-freebsd*)
 407                 MKAFS_OSTYPE=FBSD
 408                 AC_MSG_RESULT(amd64_fbsd)
 409                 ;;
 410         *-netbsd*)
 411                 MKAFS_OSTYPE=NBSD
 412                 AC_MSG_RESULT(nbsd)
 413                 ;;
 414         x86_64-*-openbsd*)
 415                 MKAFS_OSTYPE=OBSD
 416                 AC_MSG_RESULT(amd64_obsd)
 417                 ;;
 418         i386-*-openbsd*)
 419                 MKAFS_OSTYPE=OBSD
 420                 AC_MSG_RESULT(i386_obsd)
 421                 ;;
 422         *-dragonfly*)
 423                 MKAFS_OSTYPE=DFBSD
 424                 AC_MSG_RESULT(i386_dfbsd)
 425                 ;;
 426         *)
 427                 AC_MSG_RESULT($system)
 428                 ;;
 429 esac
 430
 431 if test "x$with_afs_sysname" != "x"; then
 432         AFS_SYSNAME="$with_afs_sysname"
 433 else
 434         AC_MSG_CHECKING(your AFS sysname)
 435         case $host in
 436                 i?86-*-openbsd?.?)
 437                         v=${host#*openbsd}
 438                         vM=${v%.*}
 439                         vm=${v#*.}
 440                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 441                         ;;
 442                 sparc64-*-openbsd?.?)
 443                         v=${host#*openbsd}
 444                         vM=${v%.*}
 445                         vm=${v#*.}
 446                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 447                         ;;
 448                 x86_64-*-openbsd?.?)
 449                         v=${host#*openbsd}
 450                         vM=${v%.*}
 451                         vm=${v#*.}
 452                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 453                         ;;
 454                 i?86-*-freebsd?.*)
 455                         v=${host#*freebsd}
 456                         vM=${v%.*}
 457                         vm=${v#*.}
 458                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 459                         ;;
 460                 x86_64-*-freebsd?.*)
 461                         v=${host#*freebsd}
 462                         vM=${v%.*}
 463                         vm=${v#*.}
 464                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 465                         ;;
 466                 i386-*-dragonfly?.*)
 467                         v=${host#*dragonfly}
 468                         vM=${v%.*}
 469                         vm=${v#*.}
 470                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
 471                         ;;
 472                 i?86-*-netbsd*1.6[[M-Z]]*)
 473                         AFS_SYSNAME="i386_nbsd20"
 474                         ;;
 475                 powerpc-*-netbsd*1.6[[M-Z]]*)
 476                         AFS_SYSNAME="ppc_nbsd20"
 477                         ;;
 478                 *-*-netbsd*)
 479                         arch=${host%%-unknown*}
 480                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 481                                                -e 's/powerpc/ppc/g')
 482                         v=${host#*netbsd}
 483                         v=${v#*aout}
 484                         v=${v#*ecoff}
 485                         v=${v#*elf}
 486                         vM=${v%%.*}
 487                         vM=${vM%.*}
 488                         v=${v#*.}
 489                         vm=${v%%.*}
 490                         vm=${vm%.*}
 491                         vm=${vm%%[[_A-Z]]*}
 492                         if test $vm -eq 99 ; then
 493                                 vM=$((vM+1))
 494                         fi
 495                         if test $vM -gt 1 ; then
 496                                 vm=0
 497                         fi
 498                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 499                         ;;
 500                 hppa*-hp-hpux11.0*)
 501                         AFS_SYSNAME="hp_ux110"
 502                         ;;
 503                 hppa*-hp-hpux11.11)
 504                         AFS_SYSNAME="hp_ux11i"
 505                         ;;
 506                 hppa*-hp-hpux11.23)
 507                         AFS_SYSNAME="hp_ux1123"
 508                         ;;
 509                 ia64-hp-hpux11.22)
 510                         AFS_SYSNAME="ia64_hpux1122"
 511                         ;;
 512                 ia64-hp-hpux*)
 513                         AFS_SYSNAME="ia64_hpux1123"
 514                         ;;
 515                 hppa*-hp-hpux10*)
 516                         AFS_SYSNAME="hp_ux102"
 517                         ;;
 518                 powerpc-apple-darwin7*)
 519                         AFS_SYSNAME="ppc_darwin_70"
 520                         ;;
 521                 powerpc-apple-darwin8.*)
 522                         AFS_SYSNAME="ppc_darwin_80"
 523                         ;;
 524                 i386-apple-darwin8.*)
 525                         AFS_SYSNAME="x86_darwin_80"
 526                         ;;
 527                 powerpc-apple-darwin9.*)
 528                         AFS_SYSNAME="ppc_darwin_90"
 529                         ;;
 530                 i386-apple-darwin9.*)
 531                         AFS_SYSNAME="x86_darwin_90"
 532                         ;;
 533                 i?86-apple-darwin10.*)
 534                         AFS_SYSNAME="x86_darwin_100"
 535                         ;;
 536                 x86_64-apple-darwin10.*)
 537                         AFS_SYSNAME="x86_darwin_100"
 538                         ;;
 539                 sparc-sun-solaris2.5*)
 540                         AFS_SYSNAME="sun4x_55"
 541                         enable_login="yes"
 542                         ;;
 543                 sparc-sun-solaris2.6)
 544                         AFS_SYSNAME="sun4x_56"
 545                         ;;
 546                 sparc-sun-solaris2.7)
 547                         AFS_SYSNAME="sun4x_57"
 548                         ;;
 549                 sparc-sun-solaris2.8)
 550                         AFS_SYSNAME="sun4x_58"
 551                         ;;
 552                 sparc-sun-solaris2.9)
 553                         AFS_SYSNAME="sun4x_59"
 554                         ;;
 555                 sparc-sun-solaris2.10)
 556                         AFS_SYSNAME="sun4x_510"
 557                         ;;
 558                 sparc-sun-solaris2.11)
 559                         AFS_SYSNAME="sun4x_511"
 560                         ;;
 561                 sparc-sun-sunos4*)
 562                         AFS_SYSNAME="sun4_413"
 563                         enable_login="yes"
 564                         ;;
 565                 i386-pc-solaris2.7)
 566                         AFS_SYSNAME="sunx86_57"
 567                         ;;
 568                 i386-pc-solaris2.8)
 569                         AFS_SYSNAME="sunx86_58"
 570                         ;;
 571                 i386-pc-solaris2.9)
 572                         AFS_SYSNAME="sunx86_59"
 573                         ;;
 574                 i386-pc-solaris2.10)
 575                         AFS_SYSNAME="sunx86_510"
 576                         ;;
 577                 i386-pc-solaris2.11)
 578                         AFS_SYSNAME="sunx86_511"
 579                         ;;
 580                 alpha*-dec-osf4.0*)
 581                         AFS_SYSNAME="alpha_dux40"
 582                         ;;
 583                 alpha*-dec-osf5.0*)
 584                         AFS_SYSNAME="alpha_dux50"
 585                         ;;
 586                 alpha*-dec-osf5.1*)
 587                         AFS_SYSNAME="alpha_dux51"
 588                         ;;
 589                 mips-sgi-irix6.5)
 590                         AFS_SYSNAME="sgi_65"
 591                         ;;
 592                 ia64-*-linux*)
 593                         AFS_SYSNAME="ia64_linuxXX"
 594                         ;;
 595                 powerpc-*-linux*)
 596                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 597                         ;;
 598                 powerpc64-*-linux*)
 599                         AFS_SYSNAME="ppc64_linuxXX"
 600                         ;;
 601                 alpha*-linux*)
 602                         AFS_SYSNAME="alpha_linux_XX"
 603                         ;;
 604                 s390-*-linux*)
 605                         AFS_SYSNAME="s390_linuxXX"
 606                         ;;
 607                 s390x-*-linux*)
 608                         AFS_SYSNAME="s390x_linuxXX"
 609                         ;;
 610                 sparc-*-linux*)
 611                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 612                         ;;
 613                 sparc64-*-linux*)
 614                         AFS_SYSNAME="sparc64_linuxXX"
 615                         ;;
 616                 i?86-*-linux*)
 617                         AFS_SYSNAME="i386_linuxXX"
 618                         ;;
 619                 arm*-linux*)
 620                         AFS_SYSNAME="arm_linuxXX"
 621                         ;;
 622                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 623                         AFS_SYSNAME="parisc_linuxXX"
 624                         enable_pam="no"
 625                         ;;
 626                 power*-ibm-aix4.2*)
 627                         AFS_SYSNAME="rs_aix42"
 628                         enable_pam="no"
 629                         ;;
 630                 power*-ibm-aix4.3*)
 631                         AFS_SYSNAME="rs_aix42"
 632                         enable_pam="no"
 633                         ;;
 634                 power*-ibm-aix5.1*)
 635                         AFS_SYSNAME="rs_aix51"
 636                         enable_pam="no"
 637                         ;;
 638                 power*-ibm-aix5.2*)
 639                         AFS_SYSNAME="rs_aix52"
 640                         enable_pam="no"
 641                         ;;
 642                 power*-ibm-aix5.3*)
 643                         AFS_SYSNAME="rs_aix53"
 644                         enable_pam="no"
 645                         ;;
 646                 power*-ibm-aix6.1*)
 647                         AFS_SYSNAME="rs_aix61"
 648                         enable_pam="no"
 649                         ;;
 650                 x86_64-*-linux-gnu)
 651                         AFS_SYSNAME="amd64_linuxXX"
 652                         enable_pam="yes"
 653                         ;;
 654                 *)
 655                         AC_MSG_ERROR(An AFS sysname is required)
 656                         exit 1
 657                         ;;
 658         esac
 659         case $AFS_SYSNAME in
 660                 *_linux* | *_umlinux*)
 661                         if test "x${AFS_SYSKVERS}" = "x"; then
 662                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 663                         fi
 664                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 665                         AFS_SYSNAME="$_AFS_SYSNAME"
 666                         AC_TRY_KBUILD(
 667                          [],
 668                          [#ifndef CONFIG_USERMODE
 669                           #error not UML
 670                           #endif],
 671                          ac_cv_linux_is_uml=yes,)
 672                         if test "${ac_cv_linux_is_uml}" = yes; then
 673                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 674                         fi
 675                         AFS_SYSNAME="$_AFS_SYSNAME"
 676                         ;;
 677         esac
 678         AC_MSG_RESULT($AFS_SYSNAME)
 679 fi
 680
 681 case $AFS_SYSNAME in
 682         *_darwin*)
 683                 AC_CHECK_HEADERS(crt_externs.h)
 684                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 685                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 686                 ;;
 687 esac
 688
 689 dnl Some hosts have a separate common param file they should include.  Figure
 690 dnl out if we're on one of them now that we know the sysname.
 691 case $AFS_SYSNAME in
 692     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 693     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 694     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 695     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 696     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 697     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 698     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 699     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 700     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 701     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 702     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 703     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 704     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 705     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 706     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 707     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 708     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 709     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 710     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 711     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 712     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 713     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 714     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 715     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 716     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 717     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 718 # Linux alpha adds an extra underscore for no good reason.
 719     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 720     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 721     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 722 esac
 723
 724 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 725
 726                 # Add (sub-) architecture-specific paths needed by conftests
 727                 case $AFS_SYSNAME  in
 728                         *_umlinux26)
 729                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 730                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 731                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 732                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 733                 esac
 734
 735                 if test "x$enable_kernel_module" = "xyes"; then
 736                  if test "x$enable_debug_kernel" = "xno"; then
 737                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 738                  fi
 739                  OPENAFS_GCC_SUPPORTS_MARCH
 740                  AC_SUBST(P5PLUS_KOPTS)
 741                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 742                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 743                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 744                  OPENAFS_GCC_SUPPORTS_PIPE
 745                  AC_SUBST(LINUX_GCC_KOPTS)
 746
 747                  dnl Setup the kernel build environment
 748                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 749                  LINUX_KERNEL_COMPILE_WORKS
 750
 751                  dnl Check for header files
 752                  AC_CHECK_LINUX_HEADER([config.h])
 753                  AC_CHECK_LINUX_HEADER([completion.h])
 754                  AC_CHECK_LINUX_HEADER([exportfs.h])
 755                  AC_CHECK_LINUX_HEADER([freezer.h])
 756                  AC_CHECK_LINUX_HEADER([key-type.h])
 757                  AC_CHECK_LINUX_HEADER([semaphore.h])
 758                  AC_CHECK_LINUX_HEADER([seq_file.h])
 759
 760                  dnl Check for structure elements
 761                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 762                                        [write_begin], [fs.h])
 763                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 764                                        [backing-dev.h])
 765                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 766                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 767                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 768                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 769                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 770                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 771                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 772                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 773                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 774                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 775                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 776                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 777                                        [fs.h])
 778                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
 779                                        [fs.h])
 780                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 781                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 782                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 783                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 784                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 785                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 786                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 787                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 788                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 789                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 790                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 791
 792                  dnl Function existence checks
 793
 794                  AC_CHECK_LINUX_FUNC([bdi_init],
 795                                      [#include <linux/backing-dev.h>],
 796                                      [bdi_init(NULL);])
 797                  AC_CHECK_LINUX_FUNC([PageChecked],
 798                                      [#include <linux/mm.h>
 799 #include <linux/page-flags.h>],
 800                                      [struct page *_page;
 801                                       int bchecked = PageChecked(_page);])
 802                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 803                                      [#include <linux/mm.h>
 804 #include <linux/page-flags.h>],
 805                                      [struct page *_page;
 806                                       int bchecked = PageFsMisc(_page);])
 807                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 808                                      [#include <linux/time.h>],
 809                                      [struct timespec s;
 810                                       s = current_kernel_time();])
 811                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 812                                      [#include <linux/dcache.h>],
 813                                      [d_alloc_anon(NULL);])
 814                  AC_CHECK_LINUX_FUNC([do_sync_read],
 815                                      [#include <linux/fs.h>],
 816                                      [do_sync_read(NULL, NULL, 0, NULL);])
 817                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 818                                      [#include <linux/sched.h>],
 819                                      [pid_t p; find_task_by_pid(p);])
 820                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 821                                      [#include <linux/fs.h>],
 822                                      [generic_file_aio_read(NULL,NULL,0,0);])
 823                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 824                                      [#include <linux/pagemap.h>],
 825                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 826                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 827                                      [#include <linux/list.h>],
 828                                      [hlist_unhashed(0);])
 829                  AC_CHECK_LINUX_FUNC([i_size_read],
 830                                      [#include <linux/fs.h>],
 831                                      [i_size_read(NULL);])
 832                  AC_CHECK_LINUX_FUNC([inode_setattr],
 833                                      [#include <linux/fs.h>],
 834                                      [inode_setattr(NULL, NULL);])
 835                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 836                                      [#include <linux/net.h>],
 837                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 838                  AC_CHECK_LINUX_FUNC([page_follow_link],
 839                                      [#include <linux/fs.h>],
 840                                      [page_follow_link(0,0);])
 841                  AC_CHECK_LINUX_FUNC([page_offset],
 842                                      [#include <linux/pagemap.h>],
 843                                      [page_offset(NULL);])
 844                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 845                                      [#include <linux/pagevec.h>],
 846                                      [__pagevec_lru_add_file(NULL);])
 847                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 848                                      [#include <linux/rcupdate.h>],
 849                                      [rcu_read_lock();])
 850                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 851                                      [#include <linux/splice.h>],
 852                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 853                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 854                                      [#include <linux/sunrpc/svc.h>],
 855                                      [svc_addr_in(NULL);])
 856                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 857                                      [#include <linux/highmem.h>],
 858                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 859
 860                  dnl Consequences - things which get set as a result of the
 861                  dnl                above tests
 862                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 863                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 864                                   [define to disable the nfs translator])])
 865
 866                  dnl Assorted more complex tests
 867                  LINUX_EXPORTS_PROC_ROOT_FS
 868                  LINUX_KMEM_CACHE_INIT
 869                  LINUX_HAVE_KMEM_CACHE_T
 870                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 871                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 872                  LINUX_D_PATH_TAKES_STRUCT_PATH
 873                  LINUX_NEW_EXPORT_OPS
 874                  LINUX_INODE_SETATTR_RETURN_TYPE
 875                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 876                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 877                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 878                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 879                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 880                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 881                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 882                  LINUX_AOP_WRITEBACK_CONTROL
 883                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 884                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 885                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 886                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 887                  LINUX_KERNEL_SOCK_CREATE
 888                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 889                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 890                  LINUX_NEED_RHCONFIG
 891                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 892                  LINUX_EXPORTS_TASKLIST_LOCK
 893                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 894                  LINUX_STATFS_TAKES_DENTRY
 895                  LINUX_REFRIGERATOR
 896                  LINUX_HAVE_TRY_TO_FREEZE
 897                  LINUX_LINUX_KEYRING_SUPPORT
 898                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 899                  LINUX_KEY_ALLOC_NEEDS_CRED
 900                  LINUX_INIT_WORK_HAS_DATA
 901                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 902
 903                  dnl If we are guaranteed that keyrings will work - that is
 904                  dnl  a) The kernel has keyrings enabled
 905                  dnl  b) The code is new enough to give us a key_type_keyring
 906                  dnl then we just disable syscall probing unless we've been
 907                  dnl told otherwise
 908
 909                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 910                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 911                           [enable_linux_syscall_probing="no"],
 912                           [enable_linux_syscall_probing="yes"])
 913                  ])
 914
 915                  dnl Syscall probing needs a few tests of its own, and just
 916                  dnl won't work if the kernel doesn't export init_mm
 917                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 918                    LINUX_EXPORTS_INIT_MM
 919                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 920                      AC_MSG_ERROR(
 921                        [Can't do syscall probing without exported init_mm])
 922                    ])
 923                    LINUX_EXPORTS_SYS_CHDIR
 924                    LINUX_EXPORTS_SYS_OPEN
 925                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 926                              [define to enable syscall table probes])
 927                  ])
 928
 929                  dnl Packaging and SMP build
 930                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 931                    LINUX_WHICH_MODULES
 932                  else
 933                    AC_SUBST(MPS,'SP')
 934                  fi
 935
 936                  dnl Syscall probing
 937                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 938                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 939                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 940                    ])
 941                    ac_cv_linux_exports_sys_call_table=no
 942                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 943                      ac_cv_linux_exports_ia32_sys_call_table=yes
 944                    fi
 945                  else
 946                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 947                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 948                    LINUX_EXPORTS_SYS_CALL_TABLE
 949                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 950                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 951                          linux_syscall_method=none
 952                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 953                             linux_syscall_method=scan
 954                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 955                                linux_syscall_method=scan_with_kallsyms_address
 956                             fi
 957                          fi
 958                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 959                             linux_syscall_method=kallsyms_symbol
 960                          fi
 961                          if test "x$linux_syscall_method" = "xnone"; then
 962                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 963                             linux_syscall_method=scan
 964                          fi
 965                    fi
 966                  fi
 967                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 968                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 969                  fi
 970                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 971                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 972                  fi
 973                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 974                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 975                  else
 976                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 977                  fi
 978                 :
 979                 fi
 980 dnl Linux-only, but just enable always.
 981                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
 982 esac
 983
 984 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 985     [ac_cv_sockaddr_len],
 986     [AC_TRY_COMPILE( [#include <sys/types.h>
 987 #include <sys/socket.h>],
 988                      [struct sockaddr *a; a->sa_len=0;],
 989                      [ac_cv_sockaddr_len=yes],
 990                      [ac_cv_sockaddr_len=no])
 991 ])
 992 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
 993       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
 994                  [define if you struct sockaddr sa_len])])
 995
 996 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 997         echo Skipping library tests because they confuse Irix.
 998 else
 999   AC_SEARCH_LIBS([socket], [socket inet])
1000   AC_SEARCH_LIBS([connect], [nsl])
1001   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1002
1003   dnl darwin wants it, aix hates it
1004   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1005   AC_TRY_COMPILE([
1006   #include <stdlib.h>
1007   #include <stdio.h>
1008   #include <sys/types.h>
1009   #include <sys/socket.h>
1010   #include <netinet/in.h>
1011   #include <arpa/inet.h>
1012   #include <arpa/nameser.h>
1013   #include <arpa/nameser_compat.h>
1014   #include <resolv.h>
1015   ], [static int i; i = 0;],
1016   [AC_MSG_RESULT(yes)
1017    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1018   [AC_MSG_RESULT(no)
1019    ])
1020
1021   openafs_save_libs="$LIBS"
1022   AC_MSG_CHECKING([for res_search])
1023   AC_FUNC_RES_SEARCH
1024
1025   if test "$ac_cv_func_res_search" = no; then
1026       for lib in dns nsl resolv; do
1027         if test "$ac_cv_func_res_search" != yes; then
1028           LIBS="-l$lib $LIBS"
1029           AC_FUNC_RES_SEARCH
1030           LIBS="$openafs_save_libs"
1031         fi
1032       done
1033       if test "$ac_cv_func_res_search" = yes; then
1034         LIB_AFSDB="-l$lib"
1035         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1036         AC_MSG_RESULT([yes, in lib$lib])
1037       else
1038         AC_MSG_RESULT(no)
1039       fi
1040   else
1041     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1042     AC_MSG_RESULT(yes)
1043   fi
1044
1045 fi
1046
1047 AC_CHECK_RESOLV_RETRANS
1048
1049 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1050     [ac_cv_setsockopt_iprecverr],
1051     [AC_TRY_COMPILE( [
1052 #include <sys/types.h>
1053 #include <sys/socket.h>
1054 #include <netinet/in.h>],
1055 [int on=1;
1056 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1057         [ac_cv_setsockopt_iprecverr=yes],
1058         [ac_cv_setsockopt_iprecverr=no])])
1059
1060 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1061       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1062                  [define if asynchronous socket errors can be received])])
1063
1064 PTHREAD_LIBS=error
1065 if test "x$MKAFS_OSTYPE" = OBSD; then
1066         PTHREAD_LIBS="-pthread"
1067 fi
1068 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1069         PTHREAD_LIBS="-pthread"
1070 fi
1071 if test "x$PTHREAD_LIBS" = xerror; then
1072         AC_CHECK_LIB(pthread, pthread_attr_init,
1073                 PTHREAD_LIBS="-lpthread")
1074 fi
1075 if test "x$PTHREAD_LIBS" = xerror; then
1076         AC_CHECK_LIB(pthreads, pthread_attr_init,
1077                 PTHREAD_LIBS="-lpthreads")
1078 fi
1079 if test "x$PTHREAD_LIBS" = xerror; then
1080         AC_CHECK_LIB(c_r, pthread_attr_init,
1081                 PTHREAD_LIBS="-lc_r")
1082 fi
1083 if test "x$PTHREAD_LIBS" = xerror; then
1084         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1085 fi
1086 if test "x$PTHREAD_LIBS" = xerror; then
1087         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1088         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1089                 PTHREAD_LIBS="-lpthread")
1090 fi
1091 if test "x$PTHREAD_LIBS" = xerror; then
1092         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1093 fi
1094 AC_SUBST(PTHREAD_LIBS)
1095
1096 HOST_CPU="$host_cpu"
1097
1098 if test "x$with_bsd_kernel_headers" != "x"; then
1099         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1100 else
1101         BSD_KERNEL_PATH="/usr/src/sys"
1102 fi
1103
1104 if test "x$with_bsd_kernel_build" != "x"; then
1105         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1106 else
1107         case $AFS_SYSNAME in
1108                 *_fbsd_*)
1109                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1110                         ;;
1111                 *_nbsd*)
1112                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1113         esac
1114 fi
1115
1116 # Fast restart
1117 if test "$enable_supergroups" = "yes"; then
1118         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1119 fi
1120
1121 if test "$enable_bitmap_later" = "yes"; then
1122         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1123 fi
1124
1125 if test "$enable_unix_sockets" = "yes"; then
1126         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1127         USE_UNIX_SOCKETS="yes"
1128 else
1129         USE_UNIX_SOCKETS="no"
1130 fi
1131 AC_SUBST(USE_UNIX_SOCKETS)
1132
1133 dnl if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1134 dnl     AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1135 dnl fi
1136
1137 if test "$enable_namei_fileserver" = "yes"; then
1138         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1139         VFSCK=""
1140 else
1141         if test "$enable_namei_fileserver" = "default"; then
1142                 case $host in
1143                         *-solaris2.10*)
1144                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1145                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1146                                 VFSCK=""
1147                                 ;;
1148                         *-solaris2.11*)
1149                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1150                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1151                                 VFSCK=""
1152                                 ;;
1153                         *)
1154                                 VFSCK="vfsck"
1155                                 ;;
1156                 esac
1157         else
1158                 VFSCK="vfsck"
1159         fi
1160 fi
1161
1162 dnl check for tivoli
1163 AC_MSG_CHECKING(for tivoli tsm butc support)
1164 XBSA_CFLAGS=""
1165 if test "$enable_tivoli_tsm" = "yes"; then
1166         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1167         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1168         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1169         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1170
1171         if test -r "$XBSADIR3/dsmapifp.h"; then
1172                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1173                 XBSA_XLIBS="-ldl"
1174                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1175         elif test -r "$XBSADIR4/dsmapifp.h"; then
1176                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1177                 XBSA_XLIBS="-ldl"
1178                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1179         elif test -r "$XBSADIR1/xbsa.h"; then
1180                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1181                 XBSA_XLIBS=""
1182                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1183         elif test -r "$XBSADIR2/xbsa.h"; then
1184                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1185                 XBSA_XLIBS=""
1186                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1187         else
1188                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1189         fi
1190 else
1191         AC_MSG_RESULT([no])
1192 fi
1193 AC_SUBST(XBSA_CFLAGS)
1194 AC_SUBST(XBSA_XLIBS)
1195
1196 dnl checks for header files.
1197 AC_HEADER_STDC
1198 AC_HEADER_SYS_WAIT
1199 AC_HEADER_DIRENT
1200 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1201 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1202 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1203 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1204 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h sys/un.h)
1205 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1206 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1207 AC_CHECK_HEADERS(et/com_err.h)
1208
1209 AC_CHECK_TYPES([fsblkcnt_t],,,[
1210 #include <sys/types.h>
1211 #ifdef HAVE_SYS_BITYPES_H
1212 #include <sys/bitypes.h>
1213 #endif
1214 #ifdef HAVE_SYS_STATFS_H
1215 #include <sys/statfs.h>
1216 #endif
1217 #ifdef HAVE_SYS_STATVFS_H
1218 #include <sys/statvfs.h>
1219 #endif
1220 ])
1221
1222 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1223
1224 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1225 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1226         case $AFS_SYSNAME in
1227         sgi_*)
1228                 HAVE_PAM="no"
1229                 ;;
1230         *)
1231                 HAVE_PAM="yes"
1232                 ;;
1233         esac
1234 else
1235         HAVE_PAM="no"
1236 fi
1237 AC_SUBST(HAVE_PAM)
1238
1239 if test "$enable_login" = yes; then
1240         BUILD_LOGIN="yes"
1241 else
1242         BUILD_LOGIN="no"
1243 fi
1244 AC_SUBST(BUILD_LOGIN)
1245
1246 AC_CHECK_FUNCS([ \
1247         arc4random \
1248         daemon \
1249         flock \
1250         fseeko64 \
1251         ftello64 \
1252         getcwd \
1253         getegid \
1254         geteuid \
1255         getgid \
1256         getuid \
1257         getprogname \
1258         getrlimit \
1259         issetugid \
1260         mkstemp \
1261         pread \
1262         preadv \
1263         pwrite \
1264         pwritev \
1265         regcomp \
1266         regerror \
1267         regexec \
1268         setitimer \
1269         setprogname \
1270         setvbuf \
1271         sigaction \
1272         snprintf \
1273         strcasestr \
1274         strerror \
1275         strlcat \
1276         strlcpy \
1277         timegm \
1278         vsnprintf \
1279         vsyslog \
1280 ])
1281
1282 AC_MSG_CHECKING([for positional I/O])
1283 if test "$ac_cv_func_pread" = "yes" && \
1284         test "$ac_cv_func_pwrite" = "yes"; then
1285    AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1286    AC_MSG_RESULT(yes)
1287 else
1288   AC_MSG_RESULT(no)
1289 fi
1290 AC_MSG_CHECKING([for vectored positional I/O])
1291 if test "$ac_cv_func_preadv" = "yes" && \
1292         test "$ac_cv_func_pwritev" = "yes"; then
1293    AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1294    AC_MSG_RESULT(yes)
1295 else
1296   AC_MSG_RESULT(no)
1297 fi
1298
1299 AC_MSG_CHECKING([for POSIX regex library])
1300 if test "$ac_cv_header_regex_h" = "yes" && \
1301         test "$ac_cv_func_regcomp" = "yes" && \
1302         test "$ac_cv_func_regexec" = "yes" && \
1303         test "$ac_cv_func_regerror" = "yes"; then
1304     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1305     AC_MSG_RESULT(yes)
1306 else
1307     AC_MSG_RESULT(no)
1308 fi
1309
1310 AC_TYPE_SIGNAL
1311 OPENAFS_RETSIGTYPE
1312 AC_CHECK_SIZEOF(void *)
1313 AC_CHECK_SIZEOF(unsigned long long)
1314 AC_CHECK_SIZEOF(unsigned long)
1315 AC_CHECK_SIZEOF(unsigned int)
1316 AC_TYPE_INTPTR_T
1317 AC_TYPE_UINTPTR_T
1318 AC_TYPE_SSIZE_T
1319 AC_CHECK_TYPE([sig_atomic_t],[],
1320     [AC_DEFINE([sig_atomic_t], [int],
1321         [Define to int if <signal.h> does not define.])],
1322 [#include <sys/types.h>
1323 #include <signal.h>])
1324 AC_CHECK_TYPE([socklen_t],[],
1325     [AC_DEFINE([socklen_t], [int],
1326         [Define to int if <sys/socket.h> does not define.])],
1327 [#include <sys/types.h>
1328 #include <sys/socket.h>])
1329 AC_CHECK_TYPES(off64_t)
1330 AC_SIZEOF_TYPE(long)
1331
1332 AC_HEADER_PAM_CONST
1333
1334
1335 dnl Directory PATH handling
1336 if test "x$enable_transarc_paths" = "xyes"  ; then
1337     afsconfdir=${afsconfdir=/usr/afs/etc}
1338     viceetcdir=${viceetcdir=/usr/vice/etc}
1339     afskerneldir=${afskerneldir=${viceetcdir}}
1340     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1341     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1342     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1343     afsdbdir=${afsdbdir=/usr/afs/db}
1344     afslogsdir=${afslogsdir=/usr/afs/logs}
1345     afslocaldir=${afslocaldir=/usr/afs/local}
1346     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1347     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1348     afsdatadir=${afsdatadir=/usr/vice/etc}
1349 else
1350     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1351     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1352     afskerneldir=${afskerneldir='${libdir}/openafs'}
1353     afssrvbindir=${afssrvbindir='${bindir}'}
1354     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1355     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1356     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1357     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1358     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1359     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1360     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1361     afsdatadir=${afsdatadir='${datadir}/openafs'}
1362 fi
1363 AC_SUBST(afsconfdir)
1364 AC_SUBST(viceetcdir)
1365 AC_SUBST(afskerneldir)
1366 AC_SUBST(afssrvbindir)
1367 AC_SUBST(afssrvsbindir)
1368 AC_SUBST(afssrvlibexecdir)
1369 AC_SUBST(afsdbdir)
1370 AC_SUBST(afslogsdir)
1371 AC_SUBST(afslocaldir)
1372 AC_SUBST(afsbackupdir)
1373 AC_SUBST(afsbosconfigdir)
1374 AC_SUBST(afsdatadir)
1375
1376 if test "x$enable_kernel_module" = "xyes"; then
1377 ENABLE_KERNEL_MODULE=libafs
1378 fi
1379
1380 if test "x$enable_pthreaded_ubik" = "xyes"; then
1381 ENABLE_PTHREADED_UBIK=yes
1382 fi
1383
1384 AC_SUBST(VFSCK)
1385 AC_SUBST(AFS_SYSNAME)
1386 AC_SUBST(AFS_PARAM_COMMON)
1387 AC_SUBST(ENABLE_KERNEL_MODULE)
1388 AC_SUBST(ENABLE_PTHREADED_UBIK)
1389 AC_SUBST(LIB_AFSDB)
1390 AC_SUBST(LINUX_KERNEL_PATH)
1391 AC_SUBST(LINUX_KERNEL_BUILD)
1392 AC_SUBST(HOST_CPU)
1393 AC_SUBST(BSD_KERNEL_PATH)
1394 AC_SUBST(BSD_KERNEL_BUILD)
1395 AC_SUBST(LINUX_VERSION)
1396 AC_SUBST(MKAFS_OSTYPE)
1397 AC_SUBST(TOP_OBJDIR)
1398 AC_SUBST(TOP_SRCDIR)
1399 AC_SUBST(TOP_INCDIR)
1400 AC_SUBST(TOP_LIBDIR)
1401 AC_SUBST(DEST)
1402 AC_SUBST(DARWIN_INFOFILE)
1403 AC_SUBST(IRIX_BUILD_IP35)
1404 AC_SUBST(HTML_XSL)
1405 AC_SUBST(XSLTPROC)
1406
1407 OPENAFS_OSCONF
1408 OPENAFS_FUSE
1409
1410 TOP_SRCDIR="${srcdir}/src"
1411 dnl
1412 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1413 dnl
1414 case $TOP_SRCDIR in
1415         /*)
1416                 ;;
1417         *)
1418                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1419                 ;;
1420 esac
1421
1422 TOP_OBJDIR="${SRCDIR_PARENT}"
1423 TOP_INCDIR="${SRCDIR_PARENT}/include"
1424 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1425 if test "${DEST}x" = "x"; then
1426         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1427 fi
1428
1429 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1430 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1431 AC_SUBST(HELPER_SPLINT)
1432 AC_SUBST(HELPER_SPLINTCFG)
1433
1434 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1435
1436 dnl Check to see if crypt lives in a different library
1437 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1438 AC_SUBST(LIB_crypt)
1439
1440 dnl Check to see if the compiler support labels in structs
1441 AC_MSG_CHECKING(for label support in structs)
1442 AC_TRY_COMPILE([], [
1443 extern void osi_UFSOpen(void);
1444 struct labeltest {
1445    void (*open) (void);
1446 };
1447 struct labeltest struct_labeltest = {
1448    .open       = osi_UFSOpen,
1449 }
1450 ],
1451 [AC_MSG_RESULT(yes)
1452  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1453 ],
1454 [AC_MSG_RESULT(no)
1455 ])
1456
1457 dnl Eventually, this will look for the system one, or for OpenSSL
1458 LIB_hcrypto="-lafshcrypto"
1459 AC_SUBST(LIB_hcrypto)
1460 ])