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([icmp-pmtu-discovery],
 106     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 107         [enable path MTU discovery by decoding ICMP unreachable replies])],
 108     ,
 109     [enable_icmp_pmtu_discovery="no"])
 110 AC_ARG_ENABLE([tivoli-tsm],
 111     [AS_HELP_STRING([--enable-tivoli-tsm],
 112         [enable use of the Tivoli TSM API libraries for butc support])],
 113     ,
 114     [enable_tivoli_tsm="no"])
 115 AC_ARG_ENABLE([pthreaded-ubik],
 116     [AS_HELP_STRING([--enable-pthreaded-ubik],
 117         [enable installation of pthreaded ubik applications (defaults to
 118          disabled)])],
 119     ,
 120     [enable_pthreaded_ubik="no"])
 121
 122 dnl Kernel module build options.
 123 AC_ARG_WITH([linux-kernel-headers],
 124     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 125         [use the kernel headers found at path (optional, defaults to
 126          /usr/src/linux-2.4, then /usr/src/linux)])])
 127 AC_ARG_WITH([linux-kernel-build],
 128     [AS_HELP_STRING([--with-linux-kernel-build=path],
 129         [use the kernel build found at path(optional, defaults to
 130         /usr/src/linux-2.4, then /usr/src/linux)])])
 131 AC_ARG_WITH([bsd-kernel-headers],
 132     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 133         [use the kernel headers found at path (optional, defaults to
 134          /usr/src/sys)])])
 135 AC_ARG_WITH([bsd-kernel-build],
 136     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 137         [use the kernel build found at path (optional, defaults to
 138          KSRC/i386/compile/GENERIC)])])
 139 AC_ARG_WITH([linux-kernel-packaging],
 140     [AS_HELP_STRING([--with-linux-kernel-packaging],
 141         [use standard naming conventions to aid Linux kernel build packaging
 142          (disables MPS, sets the kernel module name to openafs.ko, and
 143          installs kernel modules into the standard Linux location)])],
 144     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 145      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 146     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 147 AC_ARG_ENABLE([kernel-module],
 148     [AS_HELP_STRING([--disable-kernel-module],
 149         [disable compilation of the kernel module (defaults to enabled)])],
 150     ,
 151     [enable_kernel_module="yes"])
 152 AC_ARG_ENABLE([redhat-buildsys],
 153     [AS_HELP_STRING([--enable-redhat-buildsys],
 154         [enable compilation of the redhat build system kernel (defaults to
 155          disabled)])],
 156     ,
 157     [enable_redhat_buildsys="no"])
 158
 159 dnl Installation locations.
 160 AC_ARG_ENABLE([transarc-paths],
 161     [AS_HELP_STRING([--enable-transarc-paths],
 162         [use Transarc style paths like /usr/afs and /usr/vice])],
 163     ,
 164     [enable_transarc_paths="no"])
 165
 166 dnl Optimization and debugging flags.
 167 AC_ARG_ENABLE([strip-binaries],
 168     [AS_HELP_STRING([--disable-strip-binaries],
 169         [disable stripping of symbol information from binaries (defaults to
 170          enabled)])],
 171     ,
 172     [enable_strip_binaries="maybe"])
 173 AC_ARG_ENABLE([debug],
 174     [AS_HELP_STRING([--enable-debug],
 175         [enable compilation of the user space code with debugging information
 176          (defaults to disabled)])],
 177     ,
 178     [enable_debug="no"])
 179 AC_ARG_ENABLE([optimize],
 180     [AS_HELP_STRING([--disable-optimize],
 181         [disable optimization for compilation of the user space code (defaults
 182          to enabled)])],
 183     ,
 184     [enable_optimize="yes"])
 185 AC_ARG_ENABLE([warnings],
 186     [AS_HELP_STRING([--enable-warnings],
 187         [enable compilation warnings when building with gcc (defaults to
 188          disabled)])],
 189     ,
 190     [enable_warnings="no"])
 191 AC_ARG_ENABLE([checking],
 192     [AS_HELP_STRING([--enable-checking],
 193         [turn compilation warnings into errors when building with gcc (defaults
 194          to disabled)])],
 195     [enable_checking="$enableval"],
 196     [enable_checking="no"])
 197 AC_ARG_ENABLE([debug-kernel],
 198     [AS_HELP_STRING([--enable-debug-kernel],
 199         [enable compilation of the kernel module with debugging information
 200          (defaults to disabled)])],
 201     ,
 202     [enable_debug_kernel="no"])
 203 AC_ARG_ENABLE([optimize-kernel],
 204     [AS_HELP_STRING([--disable-optimize-kernel],
 205         [disable compilation of the kernel module with optimization (defaults
 206          based on platform)])],
 207     ,
 208     [enable_optimize_kernel="yes"])
 209 AC_ARG_ENABLE([debug-lwp],
 210     [AS_HELP_STRING([--enable-debug-lwp],
 211         [enable compilation of the LWP code with debugging information
 212          (defaults to disabled)])],
 213     ,
 214     [enable_debug_lwp="no"])
 215 AC_ARG_ENABLE([optimize-lwp],
 216     [AS_HELP_STRING([--disable-optimize-lwp],
 217         [disable optimization for compilation of the LWP code (defaults to
 218          enabled)])],
 219     ,
 220     [enable_optimize_lwp="yes"])
 221 AC_ARG_ENABLE([debug-pam],
 222     [AS_HELP_STRING([--enable-debug-pam],
 223         [enable compilation of the PAM code with debugging information
 224          (defaults to disabled)])],
 225     ,
 226     [enable_debug_pam="no"])
 227 AC_ARG_ENABLE([optimize-pam],
 228     [AS_HELP_STRING([--disable-optimize-pam],
 229         [disable optimization for compilation of the PAM code (defaults to
 230          enabled)])],
 231     ,
 232     [enable_optimize_pam="yes"])
 233 AC_ARG_ENABLE([linux-syscall-probing],
 234     [AS_HELP_STRING([--enable-linux-syscall-probing],
 235         [enable Linux syscall probing (defaults to autodetect)])],
 236     ,
 237     [enable_linux_syscall_probing="maybe"])
 238
 239
 240 AC_ARG_WITH([xslt-processor],
 241         AS_HELP_STRING([--with-xslt-processor=ARG],
 242         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 243         XSLTPROC="$withval",
 244         XSLTPROC="libxslt")
 245
 246 AC_ARG_WITH([html-xsl],
 247         AS_HELP_STRING([--with-html-xsl],
 248         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 249         HTML_XSL="$withval",
 250         HTML_XSL=no)
 251
 252 enable_login="no"
 253
 254 dnl weird ass systems
 255 dnl AC_AIX
 256 AC_ISC_POSIX
 257 dnl AC_MINIX
 258
 259 dnl Various compiler setup.
 260 AC_TYPE_PID_T
 261 AC_TYPE_SIZE_T
 262
 263 dnl Checks for programs.
 264 AC_PROG_INSTALL
 265 AC_PROG_LN_S
 266 AC_PROG_RANLIB
 267 AC_PROG_YACC
 268 AM_PROG_LEX
 269 dnl if we are flex, be lex-compatible
 270 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
 271
 272 OPENAFS_CHECK_BIGENDIAN
 273 OPENAFS_PRINTF_TAKES_Z_LEN
 274
 275 AC_MSG_CHECKING(your OS)
 276 system=$host
 277 case $system in
 278         *-linux*)
 279
 280                 MKAFS_OSTYPE=LINUX
 281                 if test "x$enable_redhat_buildsys" = "xyes"; then
 282                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 283                 fi
 284                 if test "x$enable_kernel_module" = "xyes"; then
 285                  if test "x$with_linux_kernel_headers" != "x"; then
 286                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 287                  else
 288                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 289                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 290                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 291                    fi
 292                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 293                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 294                    fi
 295                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 296                      LINUX_KERNEL_PATH="/usr/src/linux"
 297                    fi
 298                  fi
 299                  if test "x$with_linux_kernel_build" != "x"; then
 300                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 301                  else
 302                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 303                  fi
 304                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 305                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/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/utsrelease.h"; then
 309                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 310                      LINUX_VERSION="$linux_kvers"
 311                    else
 312                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 313                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 314                        if test "x$linux_kvers" = "x"; then
 315                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 316                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 317                            if test "x$linux_kvers" = "x"; then
 318                              AC_MSG_ERROR(Linux headers lack version definition [2])
 319                              exit 1
 320                            else
 321                              LINUX_VERSION="$linux_kvers"
 322                            fi
 323                          else
 324                            AC_MSG_ERROR(Linux headers lack version definition)
 325                            exit 1
 326                          fi
 327                        else
 328                          LINUX_VERSION="$linux_kvers"
 329                        fi
 330                      else
 331                        enable_kernel_module="no"
 332                      fi
 333                    fi
 334                  fi
 335                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 336                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 337                      enable_kernel_module="no"
 338                  fi
 339                  if test "x$enable_kernel_module" = "xno"; then
 340                   if test "x$with_linux_kernel_headers" != "x"; then
 341                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 342                    exit 1
 343                   else
 344                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 345                   fi
 346                  fi
 347                  dnl do we need to determine SUBARCH from autoconf.h
 348                  SUBARCH=default
 349                 fi
 350                 AC_MSG_RESULT(linux)
 351                 if test "x$enable_kernel_module" = "xyes"; then
 352                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 353                  if test "x${AFS_SYSKVERS}" = "x"; then
 354                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 355                  fi
 356                 fi
 357                 ;;
 358         *-solaris*)
 359                 MKAFS_OSTYPE=SOLARIS
 360                 AC_MSG_RESULT(sun4)
 361                 AC_PATH_PROG(SOLARISCC, [cc], ,
 362                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 363                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 364                 SOLARIS_FS_HAS_FS_ROLLED
 365                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 366                 ;;
 367         *-sunos*)
 368                 MKAFS_OSTYPE=SUNOS
 369                 enable_kernel_module=no
 370                 AC_MSG_RESULT(sun4)
 371                 ;;
 372         *-hpux*)
 373                 MKAFS_OSTYPE=HPUX
 374                 AC_MSG_RESULT(hp_ux)
 375                 if test -f "/usr/old/usr/include/ndir.h"; then
 376                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 377                 fi
 378                 ;;
 379         *-irix*)
 380                 if test -d /usr/include/sys/SN/SN1; then
 381                  IRIX_BUILD_IP35="IP35"
 382                 fi
 383                 MKAFS_OSTYPE=IRIX
 384                 AC_MSG_RESULT(sgi)
 385                 ;;
 386         *-aix*)
 387                 MKAFS_OSTYPE=AIX
 388                 AC_MSG_RESULT(rs_aix)
 389                 ;;
 390         arm-*-darwin*)
 391                 MKAFS_OSTYPE=DARWIN
 392                 AC_MSG_RESULT(arm_darwin)
 393                 ;;
 394         powerpc-*-darwin*)
 395                 MKAFS_OSTYPE=DARWIN
 396                 AC_MSG_RESULT(ppc_darwin)
 397                 ;;
 398         i386-*-darwin*)
 399                 MKAFS_OSTYPE=DARWIN
 400                 AC_MSG_RESULT(x86_darwin)
 401                 ;;
 402         x86_64-*-darwin*)
 403                 MKAFS_OSTYPE=DARWIN
 404                 AC_MSG_RESULT(x86_darwin)
 405                 ;;
 406         i386-*-freebsd*)
 407                 MKAFS_OSTYPE=FBSD
 408                 AC_MSG_RESULT(i386_fbsd)
 409                 ;;
 410         x86_64-*-freebsd*)
 411                 MKAFS_OSTYPE=FBSD
 412                 AC_MSG_RESULT(amd64_fbsd)
 413                 ;;
 414         *-netbsd*)
 415                 MKAFS_OSTYPE=NBSD
 416                 AC_MSG_RESULT(nbsd)
 417                 ;;
 418         x86_64-*-openbsd*)
 419                 MKAFS_OSTYPE=OBSD
 420                 AC_MSG_RESULT(amd64_obsd)
 421                 ;;
 422         i386-*-openbsd*)
 423                 MKAFS_OSTYPE=OBSD
 424                 AC_MSG_RESULT(i386_obsd)
 425                 ;;
 426         *-dragonfly*)
 427                 MKAFS_OSTYPE=DFBSD
 428                 AC_MSG_RESULT(i386_dfbsd)
 429                 ;;
 430         *)
 431                 AC_MSG_RESULT($system)
 432                 ;;
 433 esac
 434
 435 if test "x$with_afs_sysname" != "x"; then
 436         AFS_SYSNAME="$with_afs_sysname"
 437 else
 438         AC_MSG_CHECKING(your AFS sysname)
 439         case $host in
 440                 i?86-*-openbsd?.?)
 441                         v=${host#*openbsd}
 442                         vM=${v%.*}
 443                         vm=${v#*.}
 444                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 445                         ;;
 446                 sparc64-*-openbsd?.?)
 447                         v=${host#*openbsd}
 448                         vM=${v%.*}
 449                         vm=${v#*.}
 450                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 451                         ;;
 452                 x86_64-*-openbsd?.?)
 453                         v=${host#*openbsd}
 454                         vM=${v%.*}
 455                         vm=${v#*.}
 456                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 457                         ;;
 458                 i?86-*-freebsd?.*)
 459                         v=${host#*freebsd}
 460                         vM=${v%.*}
 461                         vm=${v#*.}
 462                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 463                         ;;
 464                 x86_64-*-freebsd?.*)
 465                         v=${host#*freebsd}
 466                         vM=${v%.*}
 467                         vm=${v#*.}
 468                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 469                         ;;
 470                 i386-*-dragonfly2.2*)
 471                         AFS_SYSNAME="i386_dfbsd_23"
 472                         ;;
 473                 i386-*-dragonfly2.3*)
 474                         AFS_SYSNAME="i386_dfbsd_23"
 475                         ;;
 476                 i?86-*-netbsd*1.6[[M-Z]]*)
 477                         AFS_SYSNAME="i386_nbsd20"
 478                         ;;
 479                 powerpc-*-netbsd*1.6[[M-Z]]*)
 480                         AFS_SYSNAME="ppc_nbsd20"
 481                         ;;
 482                 *-*-netbsd*)
 483                         arch=${host%%-unknown*}
 484                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 485                                                -e 's/powerpc/ppc/g')
 486                         v=${host#*netbsd}
 487                         v=${v#*aout}
 488                         v=${v#*ecoff}
 489                         v=${v#*elf}
 490                         vM=${v%%.*}
 491                         vM=${vM%.*}
 492                         v=${v#*.}
 493                         vm=${v%%.*}
 494                         vm=${vm%.*}
 495                         vm=${vm%%[[_A-Z]]*}
 496                         if test $vm -eq 99 ; then
 497                                 vM=$((vM+1))
 498                         fi
 499                         if test $vM -gt 1 ; then
 500                                 vm=0
 501                         fi
 502                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 503                         ;;
 504                 hppa*-hp-hpux11.0*)
 505                         AFS_SYSNAME="hp_ux110"
 506                         ;;
 507                 hppa*-hp-hpux11.11)
 508                         AFS_SYSNAME="hp_ux11i"
 509                         ;;
 510                 hppa*-hp-hpux11.23)
 511                         AFS_SYSNAME="hp_ux1123"
 512                         ;;
 513                 ia64-hp-hpux11.22)
 514                         AFS_SYSNAME="ia64_hpux1122"
 515                         ;;
 516                 ia64-hp-hpux*)
 517                         AFS_SYSNAME="ia64_hpux1123"
 518                         ;;
 519                 hppa*-hp-hpux10*)
 520                         AFS_SYSNAME="hp_ux102"
 521                         ;;
 522                 powerpc-apple-darwin7*)
 523                         AFS_SYSNAME="ppc_darwin_70"
 524                         ;;
 525                 powerpc-apple-darwin8.*)
 526                         AFS_SYSNAME="ppc_darwin_80"
 527                         ;;
 528                 i386-apple-darwin8.*)
 529                         AFS_SYSNAME="x86_darwin_80"
 530                         ;;
 531                 powerpc-apple-darwin9.*)
 532                         AFS_SYSNAME="ppc_darwin_90"
 533                         ;;
 534                 i386-apple-darwin9.*)
 535                         AFS_SYSNAME="x86_darwin_90"
 536                         ;;
 537                 i?86-apple-darwin10.*)
 538                         AFS_SYSNAME="x86_darwin_100"
 539                         ;;
 540                 x86_64-apple-darwin10.*)
 541                         AFS_SYSNAME="x86_darwin_100"
 542                         ;;
 543                 sparc-sun-solaris2.5*)
 544                         AFS_SYSNAME="sun4x_55"
 545                         enable_login="yes"
 546                         ;;
 547                 sparc-sun-solaris2.6)
 548                         AFS_SYSNAME="sun4x_56"
 549                         ;;
 550                 sparc-sun-solaris2.7)
 551                         AFS_SYSNAME="sun4x_57"
 552                         ;;
 553                 sparc-sun-solaris2.8)
 554                         AFS_SYSNAME="sun4x_58"
 555                         ;;
 556                 sparc-sun-solaris2.9)
 557                         AFS_SYSNAME="sun4x_59"
 558                         ;;
 559                 sparc-sun-solaris2.10)
 560                         AFS_SYSNAME="sun4x_510"
 561                         ;;
 562                 sparc-sun-solaris2.11)
 563                         AFS_SYSNAME="sun4x_511"
 564                         ;;
 565                 sparc-sun-sunos4*)
 566                         AFS_SYSNAME="sun4_413"
 567                         enable_login="yes"
 568                         ;;
 569                 i386-pc-solaris2.7)
 570                         AFS_SYSNAME="sunx86_57"
 571                         ;;
 572                 i386-pc-solaris2.8)
 573                         AFS_SYSNAME="sunx86_58"
 574                         ;;
 575                 i386-pc-solaris2.9)
 576                         AFS_SYSNAME="sunx86_59"
 577                         ;;
 578                 i386-pc-solaris2.10)
 579                         AFS_SYSNAME="sunx86_510"
 580                         ;;
 581                 i386-pc-solaris2.11)
 582                         AFS_SYSNAME="sunx86_511"
 583                         ;;
 584                 alpha*-dec-osf4.0*)
 585                         AFS_SYSNAME="alpha_dux40"
 586                         ;;
 587                 alpha*-dec-osf5.0*)
 588                         AFS_SYSNAME="alpha_dux50"
 589                         ;;
 590                 alpha*-dec-osf5.1*)
 591                         AFS_SYSNAME="alpha_dux51"
 592                         ;;
 593                 mips-sgi-irix6.5)
 594                         AFS_SYSNAME="sgi_65"
 595                         ;;
 596                 ia64-*-linux*)
 597                         AFS_SYSNAME="ia64_linuxXX"
 598                         ;;
 599                 powerpc-*-linux*)
 600                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 601                         ;;
 602                 powerpc64-*-linux*)
 603                         AFS_SYSNAME="ppc64_linuxXX"
 604                         ;;
 605                 alpha*-linux*)
 606                         AFS_SYSNAME="alpha_linux_XX"
 607                         ;;
 608                 s390-*-linux*)
 609                         AFS_SYSNAME="s390_linuxXX"
 610                         ;;
 611                 s390x-*-linux*)
 612                         AFS_SYSNAME="s390x_linuxXX"
 613                         ;;
 614                 sparc-*-linux*)
 615                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 616                         ;;
 617                 sparc64-*-linux*)
 618                         AFS_SYSNAME="sparc64_linuxXX"
 619                         ;;
 620                 i?86-*-linux*)
 621                         AFS_SYSNAME="i386_linuxXX"
 622                         ;;
 623                 arm*-linux*)
 624                         AFS_SYSNAME="arm_linuxXX"
 625                         ;;
 626                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 627                         AFS_SYSNAME="parisc_linuxXX"
 628                         enable_pam="no"
 629                         ;;
 630                 power*-ibm-aix4.2*)
 631                         AFS_SYSNAME="rs_aix42"
 632                         enable_pam="no"
 633                         ;;
 634                 power*-ibm-aix4.3*)
 635                         AFS_SYSNAME="rs_aix42"
 636                         enable_pam="no"
 637                         ;;
 638                 power*-ibm-aix5.1*)
 639                         AFS_SYSNAME="rs_aix51"
 640                         enable_pam="no"
 641                         ;;
 642                 power*-ibm-aix5.2*)
 643                         AFS_SYSNAME="rs_aix52"
 644                         enable_pam="no"
 645                         ;;
 646                 power*-ibm-aix5.3*)
 647                         AFS_SYSNAME="rs_aix53"
 648                         enable_pam="no"
 649                         ;;
 650                 power*-ibm-aix6.1*)
 651                         AFS_SYSNAME="rs_aix61"
 652                         enable_pam="no"
 653                         ;;
 654                 x86_64-*-linux-gnu)
 655                         AFS_SYSNAME="amd64_linuxXX"
 656                         enable_pam="yes"
 657                         ;;
 658                 *)
 659                         AC_MSG_ERROR(An AFS sysname is required)
 660                         exit 1
 661                         ;;
 662         esac
 663         case $AFS_SYSNAME in
 664                 *_linux* | *_umlinux*)
 665                         if test "x${AFS_SYSKVERS}" = "x"; then
 666                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 667                         fi
 668                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 669                         AFS_SYSNAME="$_AFS_SYSNAME"
 670                         AC_TRY_KBUILD(
 671                          [],
 672                          [#ifndef CONFIG_USERMODE
 673                           #error not UML
 674                           #endif],
 675                          ac_cv_linux_is_uml=yes,)
 676                         if test "${ac_cv_linux_is_uml}" = yes; then
 677                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 678                         fi
 679                         AFS_SYSNAME="$_AFS_SYSNAME"
 680                         ;;
 681         esac
 682         AC_MSG_RESULT($AFS_SYSNAME)
 683 fi
 684
 685 case $AFS_SYSNAME in
 686         *_darwin*)
 687                 AC_CHECK_HEADERS(crt_externs.h)
 688                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 689                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 690                 ;;
 691 esac
 692
 693 dnl Some hosts have a separate common param file they should include.  Figure
 694 dnl out if we're on one of them now that we know the sysname.
 695 case $AFS_SYSNAME in
 696     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 697     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 698     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 699     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 700     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 701     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 702     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 703     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 704     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 705     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 706     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 707     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 708     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 709     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 710     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 711     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 712     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 713     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 714     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 715     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 716     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 717     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 718     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 719     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 720     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 721     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 722 # Linux alpha adds an extra underscore for no good reason.
 723     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 724     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 725     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 726 esac
 727
 728 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 729
 730                 # Add (sub-) architecture-specific paths needed by conftests
 731                 case $AFS_SYSNAME  in
 732                         *_umlinux26)
 733                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 734                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 735                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 736                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 737                 esac
 738
 739                 if test "x$enable_kernel_module" = "xyes"; then
 740                  if test "x$enable_debug_kernel" = "xno"; then
 741                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 742                  fi
 743                  OPENAFS_GCC_SUPPORTS_MARCH
 744                  AC_SUBST(P5PLUS_KOPTS)
 745                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 746                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 747                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 748                  OPENAFS_GCC_SUPPORTS_PIPE
 749                  AC_SUBST(LINUX_GCC_KOPTS)
 750
 751                  dnl Setup the kernel build environment
 752                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 753                  LINUX_KERNEL_COMPILE_WORKS
 754
 755                  dnl Check for header files
 756                  AC_CHECK_LINUX_HEADER([config.h])
 757                  AC_CHECK_LINUX_HEADER([completion.h])
 758                  AC_CHECK_LINUX_HEADER([exportfs.h])
 759                  AC_CHECK_LINUX_HEADER([freezer.h])
 760                  AC_CHECK_LINUX_HEADER([key-type.h])
 761                  AC_CHECK_LINUX_HEADER([semaphore.h])
 762                  AC_CHECK_LINUX_HEADER([seq_file.h])
 763
 764                  dnl Check for structure elements
 765                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 766                                        [write_begin], [fs.h])
 767                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 768                                        [backing-dev.h])
 769                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 770                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 771                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 772                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 773                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 774                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 775                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 776                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 777                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 778                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 779                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 780                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 781                                        [fs.h])
 782                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 783                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 784                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 785                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 786                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 787                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 788                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 789                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 790                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 791                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 792                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 793
 794                  dnl Function existence checks
 795
 796                  AC_CHECK_LINUX_FUNC([bdi_init],
 797                                      [#include <linux/backing-dev.h>],
 798                                      [bdi_init(NULL);])
 799                  AC_CHECK_LINUX_FUNC([PageChecked],
 800                                      [#include <linux/mm.h>
 801 #include <linux/page-flags.h>],
 802                                      [struct page *_page;
 803                                       int bchecked = PageChecked(_page);])
 804                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 805                                      [#include <linux/mm.h>
 806 #include <linux/page-flags.h>],
 807                                      [struct page *_page;
 808                                       int bchecked = PageFsMisc(_page);])
 809                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 810                                      [#include <linux/time.h>],
 811                                      [struct timespec s;
 812                                       s = current_kernel_time();])
 813                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 814                                      [#include <linux/dcache.h>],
 815                                      [d_alloc_anon(NULL);])
 816                  AC_CHECK_LINUX_FUNC([do_sync_read],
 817                                      [#include <linux/fs.h>],
 818                                      [do_sync_read(NULL, NULL, 0, NULL);])
 819                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 820                                      [#include <linux/sched.h>],
 821                                      [pid_t p; find_task_by_pid(p);])
 822                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 823                                      [#include <linux/fs.h>],
 824                                      [generic_file_aio_read(NULL,NULL,0,0);])
 825                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 826                                      [#include <linux/pagemap.h>],
 827                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 828                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 829                                      [#include <linux/list.h>],
 830                                      [hlist_unhashed(0);])
 831                  AC_CHECK_LINUX_FUNC([i_size_read],
 832                                      [#include <linux/fs.h>],
 833                                      [i_size_read(NULL);])
 834                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 835                                      [#include <linux/net.h>],
 836                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 837                  AC_CHECK_LINUX_FUNC([page_follow_link],
 838                                      [#include <linux/fs.h>],
 839                                      [page_follow_link(0,0);])
 840                  AC_CHECK_LINUX_FUNC([page_offset],
 841                                      [#include <linux/pagemap.h>],
 842                                      [page_offset(NULL);])
 843                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 844                                      [#include <linux/pagevec.h>],
 845                                      [__pagevec_lru_add_file(NULL);])
 846                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 847                                      [#include <linux/rcupdate.h>],
 848                                      [rcu_read_lock();])
 849                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 850                                      [#include <linux/splice.h>],
 851                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 852                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 853                                      [#include <linux/sunrpc/svc.h>],
 854                                      [svc_addr_in(NULL);])
 855                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 856                                      [#include <linux/highmem.h>],
 857                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 858
 859                  dnl Consequences - things which get set as a result of the
 860                  dnl                above tests
 861                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 862                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 863                                   [define to disable the nfs translator])])
 864
 865                  dnl Assorted more complex tests
 866                  LINUX_EXPORTS_PROC_ROOT_FS
 867                  LINUX_KMEM_CACHE_INIT
 868                  LINUX_HAVE_KMEM_CACHE_T
 869                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 870                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 871                  LINUX_D_PATH_TAKES_STRUCT_PATH
 872                  LINUX_NEW_EXPORT_OPS
 873                  LINUX_INODE_SETATTR_RETURN_TYPE
 874                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 875                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 876                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 877                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 878                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 879                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 880                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 881                  LINUX_AOP_WRITEBACK_CONTROL
 882                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 883                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 884                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 885                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 886                  LINUX_KERNEL_SOCK_CREATE
 887                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 888                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 889                  LINUX_NEED_RHCONFIG
 890                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 891                  LINUX_EXPORTS_TASKLIST_LOCK
 892                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 893                  LINUX_STATFS_TAKES_DENTRY
 894                  LINUX_REFRIGERATOR
 895                  LINUX_HAVE_TRY_TO_FREEZE
 896                  LINUX_LINUX_KEYRING_SUPPORT
 897                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 898                  LINUX_KEY_ALLOC_NEEDS_CRED
 899                  LINUX_INIT_WORK_HAS_DATA
 900                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 901
 902                  dnl If we are guaranteed that keyrings will work - that is
 903                  dnl  a) The kernel has keyrings enabled
 904                  dnl  b) The code is new enough to give us a key_type_keyring
 905                  dnl then we just disable syscall probing unless we've been
 906                  dnl told otherwise
 907
 908                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 909                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 910                           [enable_linux_syscall_probing="no"],
 911                           [enable_linux_syscall_probing="yes"])
 912                  ])
 913
 914                  dnl Syscall probing needs a few tests of its own, and just
 915                  dnl won't work if the kernel doesn't export init_mm
 916                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 917                    LINUX_EXPORTS_INIT_MM
 918                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 919                      AC_MSG_ERROR(
 920                        [Can't do syscall probing without exported init_mm])
 921                    ])
 922                    LINUX_EXPORTS_SYS_CHDIR
 923                    LINUX_EXPORTS_SYS_OPEN
 924                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 925                              [define to enable syscall table probes])
 926                  ])
 927
 928                  dnl Packaging and SMP build
 929                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 930                    LINUX_WHICH_MODULES
 931                  else
 932                    AC_SUBST(MPS,'SP')
 933                  fi
 934
 935                  dnl Syscall probing
 936                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 937                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 938                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 939                    ])
 940                    ac_cv_linux_exports_sys_call_table=no
 941                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 942                      ac_cv_linux_exports_ia32_sys_call_table=yes
 943                    fi
 944                  else
 945                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 946                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 947                    LINUX_EXPORTS_SYS_CALL_TABLE
 948                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 949                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 950                          linux_syscall_method=none
 951                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 952                             linux_syscall_method=scan
 953                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 954                                linux_syscall_method=scan_with_kallsyms_address
 955                             fi
 956                          fi
 957                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 958                             linux_syscall_method=kallsyms_symbol
 959                          fi
 960                          if test "x$linux_syscall_method" = "xnone"; then
 961                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 962                             linux_syscall_method=scan
 963                          fi
 964                    fi
 965                  fi
 966                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 967                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 968                  fi
 969                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 970                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 971                  fi
 972                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 973                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 974                  else
 975                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 976                  fi
 977                 :
 978                 fi
 979 dnl Linux-only, but just enable always.
 980                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
 981 esac
 982
 983 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 984     [ac_cv_sockaddr_len],
 985     [AC_TRY_COMPILE( [#include <sys/types.h>
 986 #include <sys/socket.h>],
 987                      [struct sockaddr *a; a->sa_len=0;],
 988                      [ac_cv_sockaddr_len=yes],
 989                      [ac_cv_sockaddr_len=no])
 990 ])
 991 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
 992       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
 993                  [define if you struct sockaddr sa_len])])
 994
 995 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 996         echo Skipping library tests because they confuse Irix.
 997 else
 998   AC_SEARCH_LIBS([socket], [socket inet])
 999   AC_SEARCH_LIBS([connect], [nsl])
1000   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1001
1002   dnl darwin wants it, aix hates it
1003   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1004   AC_TRY_COMPILE([
1005   #include <stdlib.h>
1006   #include <stdio.h>
1007   #include <sys/types.h>
1008   #include <sys/socket.h>
1009   #include <netinet/in.h>
1010   #include <arpa/inet.h>
1011   #include <arpa/nameser.h>
1012   #include <arpa/nameser_compat.h>
1013   #include <resolv.h>
1014   ], [static int i; i = 0;],
1015   [AC_MSG_RESULT(yes)
1016    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1017   [AC_MSG_RESULT(no)
1018    ])
1019
1020   openafs_save_libs="$LIBS"
1021   AC_MSG_CHECKING([for res_search])
1022   AC_FUNC_RES_SEARCH
1023
1024   if test "$ac_cv_func_res_search" = no; then
1025       for lib in dns nsl resolv; do
1026         if test "$ac_cv_func_res_search" != yes; then
1027           LIBS="-l$lib $LIBS"
1028           AC_FUNC_RES_SEARCH
1029           LIBS="$openafs_save_libs"
1030         fi
1031       done
1032       if test "$ac_cv_func_res_search" = yes; then
1033         LIB_AFSDB="-l$lib"
1034         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1035         AC_MSG_RESULT([yes, in lib$lib])
1036       else
1037         AC_MSG_RESULT(no)
1038       fi
1039   else
1040     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1041     AC_MSG_RESULT(yes)
1042   fi
1043
1044 fi
1045
1046 AC_CHECK_RESOLV_RETRANS
1047
1048 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1049     [ac_cv_setsockopt_iprecverr],
1050     [AC_TRY_COMPILE( [
1051 #include <sys/types.h>
1052 #include <sys/socket.h>
1053 #include <netinet/in.h>],
1054 [int on=1;
1055 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1056         [ac_cv_setsockopt_iprecverr=yes],
1057         [ac_cv_setsockopt_iprecverr=no])])
1058
1059 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1060       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1061                  [define if asynchronous socket errors can be received])])
1062
1063 PTHREAD_LIBS=error
1064 if test "x$MKAFS_OSTYPE" = OBSD; then
1065         PTHREAD_LIBS="-pthread"
1066 fi
1067 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1068         PTHREAD_LIBS="-pthread"
1069 fi
1070 if test "x$PTHREAD_LIBS" = xerror; then
1071         AC_CHECK_LIB(pthread, pthread_attr_init,
1072                 PTHREAD_LIBS="-lpthread")
1073 fi
1074 if test "x$PTHREAD_LIBS" = xerror; then
1075         AC_CHECK_LIB(pthreads, pthread_attr_init,
1076                 PTHREAD_LIBS="-lpthreads")
1077 fi
1078 if test "x$PTHREAD_LIBS" = xerror; then
1079         AC_CHECK_LIB(c_r, pthread_attr_init,
1080                 PTHREAD_LIBS="-lc_r")
1081 fi
1082 if test "x$PTHREAD_LIBS" = xerror; then
1083         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1084 fi
1085 if test "x$PTHREAD_LIBS" = xerror; then
1086         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1087         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1088                 PTHREAD_LIBS="-lpthread")
1089 fi
1090 if test "x$PTHREAD_LIBS" = xerror; then
1091         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1092 fi
1093 AC_SUBST(PTHREAD_LIBS)
1094
1095 HOST_CPU="$host_cpu"
1096
1097 if test "x$with_bsd_kernel_headers" != "x"; then
1098         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1099 else
1100         BSD_KERNEL_PATH="/usr/src/sys"
1101 fi
1102
1103 if test "x$with_bsd_kernel_build" != "x"; then
1104         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1105 else
1106         case $AFS_SYSNAME in
1107                 *_fbsd_*)
1108                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1109                         ;;
1110                 *_nbsd*)
1111                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1112         esac
1113 fi
1114
1115 # Fast restart
1116 if test "$enable_supergroups" = "yes"; then
1117         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1118 fi
1119
1120 if test "$enable_bitmap_later" = "yes"; then
1121         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1122 fi
1123
1124 if test "$enable_unix_sockets" = "yes"; then
1125         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1126         USE_UNIX_SOCKETS="yes"
1127 else
1128         USE_UNIX_SOCKETS="no"
1129 fi
1130 AC_SUBST(USE_UNIX_SOCKETS)
1131
1132 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1133    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1134         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1135    fi
1136 fi
1137
1138 if test "$enable_namei_fileserver" = "yes"; then
1139         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1140         VFSCK=""
1141 else
1142         if test "$enable_namei_fileserver" = "default"; then
1143                 case $host in
1144                         *-solaris2.10*)
1145                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1146                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1147                                 VFSCK=""
1148                                 ;;
1149                         *-solaris2.11*)
1150                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1151                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1152                                 VFSCK=""
1153                                 ;;
1154                         *)
1155                                 VFSCK="vfsck"
1156                                 ;;
1157                 esac
1158         else
1159                 VFSCK="vfsck"
1160         fi
1161 fi
1162
1163 dnl check for tivoli
1164 AC_MSG_CHECKING(for tivoli tsm butc support)
1165 XBSA_CFLAGS=""
1166 if test "$enable_tivoli_tsm" = "yes"; then
1167         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1168         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1169         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1170         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1171
1172         if test -r "$XBSADIR3/dsmapifp.h"; then
1173                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1174                 XBSA_XLIBS="-ldl"
1175                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1176         elif test -r "$XBSADIR4/dsmapifp.h"; then
1177                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1178                 XBSA_XLIBS="-ldl"
1179                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1180         elif test -r "$XBSADIR1/xbsa.h"; then
1181                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1182                 XBSA_XLIBS=""
1183                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1184         elif test -r "$XBSADIR2/xbsa.h"; then
1185                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1186                 XBSA_XLIBS=""
1187                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1188         else
1189                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1190         fi
1191 else
1192         AC_MSG_RESULT([no])
1193 fi
1194 AC_SUBST(XBSA_CFLAGS)
1195 AC_SUBST(XBSA_XLIBS)
1196
1197 dnl checks for header files.
1198 AC_HEADER_STDC
1199 AC_HEADER_SYS_WAIT
1200 AC_HEADER_DIRENT
1201 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1202 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1203 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1204 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1205 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h)
1206 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1207 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1208 AC_CHECK_HEADERS(et/com_err.h)
1209
1210 AC_CHECK_TYPES([fsblkcnt_t],,,[
1211 #include <sys/types.h>
1212 #ifdef HAVE_SYS_BITYPES_H
1213 #include <sys/bitypes.h>
1214 #endif
1215 #ifdef HAVE_SYS_STATFS_H
1216 #include <sys/statfs.h>
1217 #endif
1218 #ifdef HAVE_SYS_STATVFS_H
1219 #include <sys/statvfs.h>
1220 #endif
1221 ])
1222
1223 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1224
1225 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1226 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1227         case $AFS_SYSNAME in
1228         sgi_*)
1229                 HAVE_PAM="no"
1230                 ;;
1231         *)
1232                 HAVE_PAM="yes"
1233                 ;;
1234         esac
1235 else
1236         HAVE_PAM="no"
1237 fi
1238 AC_SUBST(HAVE_PAM)
1239
1240 if test "$enable_login" = yes; then
1241         BUILD_LOGIN="yes"
1242 else
1243         BUILD_LOGIN="no"
1244 fi
1245 AC_SUBST(BUILD_LOGIN)
1246
1247 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock getrlimit)
1248 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1249 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1250 AC_CHECK_FUNCS(regcomp regexec regerror)
1251 AC_CHECK_FUNCS(fseeko64 ftello64)
1252 AC_MSG_CHECKING([for POSIX regex library])
1253 if test "$ac_cv_header_regex_h" = "yes" && \
1254         test "$ac_cv_func_regcomp" = "yes" && \
1255         test "$ac_cv_func_regexec" = "yes" && \
1256         test "$ac_cv_func_regerror" = "yes"; then
1257     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1258     AC_MSG_RESULT(yes)
1259 else
1260     AC_MSG_RESULT(no)
1261 fi
1262
1263 AC_TYPE_SIGNAL
1264 AC_CHECK_SIZEOF(void *)
1265 AC_CHECK_SIZEOF(unsigned long long)
1266 AC_CHECK_SIZEOF(unsigned long)
1267 AC_CHECK_SIZEOF(unsigned int)
1268 AC_TYPE_INTPTR_T
1269 AC_TYPE_UINTPTR_T
1270 AC_TYPE_SSIZE_T
1271 AC_CHECK_TYPE([sig_atomic_t],[],
1272     [AC_DEFINE([sig_atomic_t], [int],
1273         [Define to int if <signal.h> does not define.])],
1274 [#include <sys/types.h>
1275 #include <signal.h>])
1276 AC_CHECK_TYPE([socklen_t],[],
1277     [AC_DEFINE([socklen_t], [int],
1278         [Define to int if <sys/socket.h> does not define.])],
1279 [#include <sys/types.h>
1280 #include <sys/socket.h>])
1281 AC_CHECK_TYPES(off64_t)
1282 AC_SIZEOF_TYPE(long)
1283
1284 AC_HEADER_PAM_CONST
1285
1286 AC_CHECK_FUNCS(timegm)
1287 AC_CHECK_FUNCS(daemon)
1288
1289 dnl Directory PATH handling
1290 if test "x$enable_transarc_paths" = "xyes"  ; then
1291     afsconfdir=${afsconfdir=/usr/afs/etc}
1292     viceetcdir=${viceetcdir=/usr/vice/etc}
1293     afskerneldir=${afskerneldir=${viceetcdir}}
1294     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1295     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1296     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1297     afsdbdir=${afsdbdir=/usr/afs/db}
1298     afslogsdir=${afslogsdir=/usr/afs/logs}
1299     afslocaldir=${afslocaldir=/usr/afs/local}
1300     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1301     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1302     afsdatadir=${afsdatadir=/usr/vice/etc}
1303 else
1304     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1305     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1306     afskerneldir=${afskerneldir='${libdir}/openafs'}
1307     afssrvbindir=${afssrvbindir='${bindir}'}
1308     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1309     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1310     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1311     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1312     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1313     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1314     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1315     afsdatadir=${afsdatadir='${datadir}/openafs'}
1316 fi
1317 AC_SUBST(afsconfdir)
1318 AC_SUBST(viceetcdir)
1319 AC_SUBST(afskerneldir)
1320 AC_SUBST(afssrvbindir)
1321 AC_SUBST(afssrvsbindir)
1322 AC_SUBST(afssrvlibexecdir)
1323 AC_SUBST(afsdbdir)
1324 AC_SUBST(afslogsdir)
1325 AC_SUBST(afslocaldir)
1326 AC_SUBST(afsbackupdir)
1327 AC_SUBST(afsbosconfigdir)
1328 AC_SUBST(afsdatadir)
1329
1330 if test "x$enable_kernel_module" = "xyes"; then
1331 ENABLE_KERNEL_MODULE=libafs
1332 fi
1333
1334 if test "x$enable_pthreaded_ubik" = "xyes"; then
1335 ENABLE_PTHREADED_UBIK=yes
1336 fi
1337
1338 AC_SUBST(VFSCK)
1339 AC_SUBST(AFS_SYSNAME)
1340 AC_SUBST(AFS_PARAM_COMMON)
1341 AC_SUBST(ENABLE_KERNEL_MODULE)
1342 AC_SUBST(ENABLE_PTHREADED_UBIK)
1343 AC_SUBST(LIB_AFSDB)
1344 AC_SUBST(LINUX_KERNEL_PATH)
1345 AC_SUBST(LINUX_KERNEL_BUILD)
1346 AC_SUBST(HOST_CPU)
1347 AC_SUBST(BSD_KERNEL_PATH)
1348 AC_SUBST(BSD_KERNEL_BUILD)
1349 AC_SUBST(LINUX_VERSION)
1350 AC_SUBST(MKAFS_OSTYPE)
1351 AC_SUBST(TOP_OBJDIR)
1352 AC_SUBST(TOP_SRCDIR)
1353 AC_SUBST(TOP_INCDIR)
1354 AC_SUBST(TOP_LIBDIR)
1355 AC_SUBST(DEST)
1356 AC_SUBST(DARWIN_INFOFILE)
1357 AC_SUBST(IRIX_BUILD_IP35)
1358 AC_SUBST(HTML_XSL)
1359 AC_SUBST(XSLTPROC)
1360
1361 OPENAFS_OSCONF
1362 OPENAFS_FUSE
1363
1364 TOP_SRCDIR="${srcdir}/src"
1365 dnl
1366 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1367 dnl
1368 case $TOP_SRCDIR in
1369         /*)
1370                 ;;
1371         *)
1372                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1373                 ;;
1374 esac
1375
1376 TOP_OBJDIR="${SRCDIR_PARENT}"
1377 TOP_INCDIR="${SRCDIR_PARENT}/include"
1378 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1379 if test "${DEST}x" = "x"; then
1380         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1381 fi
1382
1383 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1384 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1385 AC_SUBST(HELPER_SPLINT)
1386 AC_SUBST(HELPER_SPLINTCFG)
1387
1388 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1389
1390 ])