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 /* glue for RedHat kernel bug */
  63 #undef ENABLE_REDHAT_BUILDSYS
  64 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  65 #include "redhat-fix.h"
  66 #endif])
  67
  68 AC_CANONICAL_HOST
  69 SRCDIR_PARENT=`pwd`
  70
  71 #BOZO_SAVE_CORES pam
  72
  73 dnl System identity.
  74 AC_ARG_WITH([afs-sysname],
  75     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  76
  77 dnl General feature options.
  78 AC_ARG_ENABLE([pam],
  79     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
  80     ,
  81     [enable_pam="yes"])
  82 AC_ARG_ENABLE([namei-fileserver],
  83     [AS_HELP_STRING([--enable-namei-fileserver],
  84         [force compilation of namei fileserver in preference to inode
  85          fileserver])],
  86     ,
  87     [enable_namei_fileserver="default"])
  88 AC_ARG_ENABLE([supergroups],
  89     [AS_HELP_STRING([--enable-supergroups],
  90         [enable support for nested pts groups])],
  91     ,
  92     [enable_supergroups="no"])
  93 AC_ARG_ENABLE([bitmap-later],
  94     [AS_HELP_STRING([--enable-bitmap-later],
  95         [enable fast startup of file server by not reading bitmap till
  96          needed])],
  97     ,
  98     [enable_bitmap_later="no"])
  99 AC_ARG_ENABLE([unix-sockets],
 100     [AS_HELP_STRING([--disable-unix-sockets],
 101         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 102     ,
 103     [enable_unix_sockets="yes"])
 104 AC_ARG_ENABLE([tivoli-tsm],
 105     [AS_HELP_STRING([--enable-tivoli-tsm],
 106         [enable use of the Tivoli TSM API libraries for butc support])],
 107     ,
 108     [enable_tivoli_tsm="no"])
 109 AC_ARG_ENABLE([pthreaded-ubik],
 110     [AS_HELP_STRING([--enable-pthreaded-ubik],
 111         [enable installation of pthreaded ubik applications (defaults to
 112          disabled)])],
 113     ,
 114     [enable_pthreaded_ubik="no"])
 115
 116 dnl Kernel module build options.
 117 AC_ARG_WITH([linux-kernel-headers],
 118     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 119         [use the kernel headers found at path (optional, defaults to
 120          /usr/src/linux-2.4, then /usr/src/linux)])])
 121 AC_ARG_WITH([linux-kernel-build],
 122     [AS_HELP_STRING([--with-linux-kernel-build=path],
 123         [use the kernel build found at path(optional, defaults to
 124         /usr/src/linux-2.4, then /usr/src/linux)])])
 125 AC_ARG_WITH([bsd-kernel-headers],
 126     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 127         [use the kernel headers found at path (optional, defaults to
 128          /usr/src/sys)])])
 129 AC_ARG_WITH([bsd-kernel-build],
 130     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 131         [use the kernel build found at path (optional, defaults to
 132          KSRC/i386/compile/GENERIC)])])
 133 AC_ARG_WITH([linux-kernel-packaging],
 134     [AS_HELP_STRING([--with-linux-kernel-packaging],
 135         [use standard naming conventions to aid Linux kernel build packaging
 136          (disables MPS, sets the kernel module name to openafs.ko, and
 137          installs kernel modules into the standard Linux location)])],
 138     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 139      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 140     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 141 AC_ARG_ENABLE([kernel-module],
 142     [AS_HELP_STRING([--disable-kernel-module],
 143         [disable compilation of the kernel module (defaults to enabled)])],
 144     ,
 145     [enable_kernel_module="yes"])
 146 AC_ARG_ENABLE([redhat-buildsys],
 147     [AS_HELP_STRING([--enable-redhat-buildsys],
 148         [enable compilation of the redhat build system kernel (defaults to
 149          disabled)])],
 150     ,
 151     [enable_redhat_buildsys="no"])
 152
 153 dnl Installation locations.
 154 AC_ARG_ENABLE([transarc-paths],
 155     [AS_HELP_STRING([--enable-transarc-paths],
 156         [use Transarc style paths like /usr/afs and /usr/vice])],
 157     ,
 158     [enable_transarc_paths="no"])
 159
 160 dnl Optimization and debugging flags.
 161 AC_ARG_ENABLE([strip-binaries],
 162     [AS_HELP_STRING([--disable-strip-binaries],
 163         [disable stripping of symbol information from binaries (defaults to
 164          enabled)])],
 165     ,
 166     [enable_strip_binaries="maybe"])
 167 AC_ARG_ENABLE([debug],
 168     [AS_HELP_STRING([--enable-debug],
 169         [enable compilation of the user space code with debugging information
 170          (defaults to disabled)])],
 171     ,
 172     [enable_debug="no"])
 173 AC_ARG_ENABLE([optimize],
 174     [AS_HELP_STRING([--disable-optimize],
 175         [disable optimization for compilation of the user space code (defaults
 176          to enabled)])],
 177     ,
 178     [enable_optimize="yes"])
 179 AC_ARG_ENABLE([warnings],
 180     [AS_HELP_STRING([--enable-warnings],
 181         [enable compilation warnings when building with gcc (defaults to
 182          disabled)])],
 183     ,
 184     [enable_warnings="no"])
 185 AC_ARG_ENABLE([checking],
 186     [AS_HELP_STRING([--enable-checking],
 187         [turn compilation warnings into errors when building with gcc (defaults
 188          to disabled)])],
 189     [enable_checking="$enableval"],
 190     [enable_checking="no"])
 191 AC_ARG_ENABLE([debug-kernel],
 192     [AS_HELP_STRING([--enable-debug-kernel],
 193         [enable compilation of the kernel module with debugging information
 194          (defaults to disabled)])],
 195     ,
 196     [enable_debug_kernel="no"])
 197 AC_ARG_ENABLE([optimize-kernel],
 198     [AS_HELP_STRING([--disable-optimize-kernel],
 199         [disable compilation of the kernel module with optimization (defaults
 200          based on platform)])],
 201     ,
 202     [enable_optimize_kernel="yes"])
 203 AC_ARG_ENABLE([debug-lwp],
 204     [AS_HELP_STRING([--enable-debug-lwp],
 205         [enable compilation of the LWP code with debugging information
 206          (defaults to disabled)])],
 207     ,
 208     [enable_debug_lwp="no"])
 209 AC_ARG_ENABLE([optimize-lwp],
 210     [AS_HELP_STRING([--disable-optimize-lwp],
 211         [disable optimization for compilation of the LWP code (defaults to
 212          enabled)])],
 213     ,
 214     [enable_optimize_lwp="yes"])
 215 AC_ARG_ENABLE([debug-pam],
 216     [AS_HELP_STRING([--enable-debug-pam],
 217         [enable compilation of the PAM code with debugging information
 218          (defaults to disabled)])],
 219     ,
 220     [enable_debug_pam="no"])
 221 AC_ARG_ENABLE([optimize-pam],
 222     [AS_HELP_STRING([--disable-optimize-pam],
 223         [disable optimization for compilation of the PAM code (defaults to
 224          enabled)])],
 225     ,
 226     [enable_optimize_pam="yes"])
 227 AC_ARG_ENABLE([linux-syscall-probing],
 228     [AS_HELP_STRING([--enable-linux-syscall-probing],
 229         [enable Linux syscall probing (defaults to autodetect)])],
 230     ,
 231     [enable_linux_syscall_probing="maybe"])
 232
 233 AC_ARG_WITH([xslt-processor],
 234         AS_HELP_STRING([--with-xslt-processor=ARG],
 235         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 236         [XSLTPROC="$withval"],
 237         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
 238
 239 AC_ARG_WITH([html-xsl],
 240         AS_HELP_STRING([--with-html-xsl],
 241         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
 242         [HTML_XSL="$withval"],
 243         [HTML_XSL="html/chunk.xsl"])
 244
 245 AC_ARG_WITH([docbook2pdf],
 246         AS_HELP_STRING([--with-docbook2pdf=ARG],
 247         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
 248         [DOCBOOK2PDF="$withval"],
 249         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
 250
 251 AC_ARG_WITH([docbook-stylesheets],
 252         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
 253         [location of DocBook stylesheets (default is to search a set of likely paths)]),
 254         [DOCBOOK_STYLESHEETS="$withval"],
 255         OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
 256         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
 257                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
 258         fi)
 259
 260 enable_login="no"
 261
 262 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
 263 dnl documentation build.
 264 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
 265
 266 dnl weird ass systems
 267 dnl AC_AIX
 268 AC_ISC_POSIX
 269 dnl AC_MINIX
 270
 271 dnl Various compiler setup.
 272 AC_TYPE_PID_T
 273 AC_TYPE_SIZE_T
 274
 275 dnl Checks for programs.
 276 AC_PROG_INSTALL
 277 AC_PROG_LN_S
 278 AC_PROG_RANLIB
 279 AC_PROG_YACC
 280 AM_PROG_LEX
 281 dnl if we are flex, be lex-compatible
 282 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
 283
 284 OPENAFS_FORCE_ABS_INSTALL
 285 OPENAFS_CHECK_BIGENDIAN
 286 OPENAFS_PRINTF_TAKES_Z_LEN
 287
 288 AC_MSG_CHECKING(your OS)
 289 system=$host
 290 case $system in
 291         *-linux*)
 292
 293                 MKAFS_OSTYPE=LINUX
 294                 if test "x$enable_redhat_buildsys" = "xyes"; then
 295                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 296                 fi
 297                 if test "x$enable_kernel_module" = "xyes"; then
 298                  if test "x$with_linux_kernel_headers" != "x"; then
 299                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 300                  else
 301                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 302                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 303                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 304                    fi
 305                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 306                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 307                    fi
 308                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 309                      LINUX_KERNEL_PATH="/usr/src/linux"
 310                    fi
 311                  fi
 312                  if test "x$with_linux_kernel_build" != "x"; then
 313                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 314                  else
 315                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 316                  fi
 317                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 318                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 319                    LINUX_VERSION="$linux_kvers"
 320                  else
 321                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 322                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 323                      LINUX_VERSION="$linux_kvers"
 324                    else
 325                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 326                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 327                        if test "x$linux_kvers" = "x"; then
 328                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 329                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 330                            if test "x$linux_kvers" = "x"; then
 331                              AC_MSG_ERROR(Linux headers lack version definition [2])
 332                              exit 1
 333                            else
 334                              LINUX_VERSION="$linux_kvers"
 335                            fi
 336                          else
 337                            AC_MSG_ERROR(Linux headers lack version definition)
 338                            exit 1
 339                          fi
 340                        else
 341                          LINUX_VERSION="$linux_kvers"
 342                        fi
 343                      else
 344                        enable_kernel_module="no"
 345                      fi
 346                    fi
 347                  fi
 348                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 349                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 350                      enable_kernel_module="no"
 351                  fi
 352                  if test "x$enable_kernel_module" = "xno"; then
 353                   if test "x$with_linux_kernel_headers" != "x"; then
 354                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 355                    exit 1
 356                   else
 357                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 358                   fi
 359                  fi
 360                  dnl do we need to determine SUBARCH from autoconf.h
 361                  SUBARCH=default
 362                 fi
 363                 AC_MSG_RESULT(linux)
 364                 if test "x$enable_kernel_module" = "xyes"; then
 365                  case "$LINUX_VERSION" in
 366                   2.2.*) AFS_SYSKVERS=22 ;;
 367                   2.4.*) AFS_SYSKVERS=24 ;;
 368                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
 369                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
 370                  esac
 371                 fi
 372                 ;;
 373         *-solaris*)
 374                 MKAFS_OSTYPE=SOLARIS
 375                 AC_MSG_RESULT(sun4)
 376                 AC_PATH_PROG(SOLARISCC, [cc], ,
 377                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 378                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 379                 SOLARIS_FS_HAS_FS_ROLLED
 380                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 381                 ;;
 382         *-sunos*)
 383                 MKAFS_OSTYPE=SUNOS
 384                 enable_kernel_module=no
 385                 AC_MSG_RESULT(sun4)
 386                 ;;
 387         *-hpux*)
 388                 MKAFS_OSTYPE=HPUX
 389                 AC_MSG_RESULT(hp_ux)
 390                 if test -f "/usr/old/usr/include/ndir.h"; then
 391                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 392                 fi
 393                 ;;
 394         *-irix*)
 395                 if test -d /usr/include/sys/SN/SN1; then
 396                  IRIX_BUILD_IP35="IP35"
 397                 fi
 398                 MKAFS_OSTYPE=IRIX
 399                 AC_MSG_RESULT(sgi)
 400                 ;;
 401         *-aix*)
 402                 MKAFS_OSTYPE=AIX
 403                 AC_MSG_RESULT(rs_aix)
 404                 ;;
 405         arm-*-darwin*)
 406                 MKAFS_OSTYPE=DARWIN
 407                 AC_MSG_RESULT(arm_darwin)
 408                 ;;
 409         powerpc-*-darwin*)
 410                 MKAFS_OSTYPE=DARWIN
 411                 AC_MSG_RESULT(ppc_darwin)
 412                 ;;
 413         i386-*-darwin*)
 414                 MKAFS_OSTYPE=DARWIN
 415                 AC_MSG_RESULT(x86_darwin)
 416                 ;;
 417         x86_64-*-darwin*)
 418                 MKAFS_OSTYPE=DARWIN
 419                 AC_MSG_RESULT(x86_darwin)
 420                 ;;
 421         i386-*-freebsd*)
 422                 MKAFS_OSTYPE=FBSD
 423                 AC_MSG_RESULT(i386_fbsd)
 424                 ;;
 425         x86_64-*-freebsd*)
 426                 MKAFS_OSTYPE=FBSD
 427                 AC_MSG_RESULT(amd64_fbsd)
 428                 ;;
 429         *-netbsd*)
 430                 MKAFS_OSTYPE=NBSD
 431                 AC_MSG_RESULT(nbsd)
 432                 ;;
 433         x86_64-*-openbsd*)
 434                 MKAFS_OSTYPE=OBSD
 435                 AC_MSG_RESULT(amd64_obsd)
 436                 ;;
 437         i386-*-openbsd*)
 438                 MKAFS_OSTYPE=OBSD
 439                 AC_MSG_RESULT(i386_obsd)
 440                 ;;
 441         *-dragonfly*)
 442                 MKAFS_OSTYPE=DFBSD
 443                 AC_MSG_RESULT(i386_dfbsd)
 444                 ;;
 445         *)
 446                 AC_MSG_RESULT($system)
 447                 ;;
 448 esac
 449
 450 if test "x$with_afs_sysname" != "x"; then
 451         AFS_SYSNAME="$with_afs_sysname"
 452 else
 453         AC_MSG_CHECKING(your AFS sysname)
 454         case $host in
 455                 i?86-*-openbsd?.?)
 456                         v=${host#*openbsd}
 457                         vM=${v%.*}
 458                         vm=${v#*.}
 459                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 460                         ;;
 461                 sparc64-*-openbsd?.?)
 462                         v=${host#*openbsd}
 463                         vM=${v%.*}
 464                         vm=${v#*.}
 465                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 466                         ;;
 467                 x86_64-*-openbsd?.?)
 468                         v=${host#*openbsd}
 469                         vM=${v%.*}
 470                         vm=${v#*.}
 471                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 472                         ;;
 473                 i?86-*-freebsd?.*)
 474                         v=${host#*freebsd}
 475                         vM=${v%.*}
 476                         vm=${v#*.}
 477                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 478                         ;;
 479                 x86_64-*-freebsd?.*)
 480                         v=${host#*freebsd}
 481                         vM=${v%.*}
 482                         vm=${v#*.}
 483                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 484                         ;;
 485                 i386-*-dragonfly?.*)
 486                         v=${host#*dragonfly}
 487                         vM=${v%.*}
 488                         vm=${v#*.}
 489                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
 490                         ;;
 491                 i?86-*-netbsd*1.6[[M-Z]]*)
 492                         AFS_SYSNAME="i386_nbsd20"
 493                         ;;
 494                 powerpc-*-netbsd*1.6[[M-Z]]*)
 495                         AFS_SYSNAME="ppc_nbsd20"
 496                         ;;
 497                 *-*-netbsd*)
 498                         arch=${host%%-unknown*}
 499                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 500                                                -e 's/powerpc/ppc/g')
 501                         v=${host#*netbsd}
 502                         v=${v#*aout}
 503                         v=${v#*ecoff}
 504                         v=${v#*elf}
 505                         vM=${v%%.*}
 506                         vM=${vM%.*}
 507                         v=${v#*.}
 508                         vm=${v%%.*}
 509                         vm=${vm%.*}
 510                         vm=${vm%%[[_A-Z]]*}
 511                         if test $vm -eq 99 ; then
 512                                 vM=$((vM+1))
 513                         fi
 514                         if test $vM -gt 1 ; then
 515                                 vm=0
 516                         fi
 517                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 518                         ;;
 519                 hppa*-hp-hpux11.0*)
 520                         AFS_SYSNAME="hp_ux110"
 521                         ;;
 522                 hppa*-hp-hpux11.11)
 523                         AFS_SYSNAME="hp_ux11i"
 524                         ;;
 525                 hppa*-hp-hpux11.23)
 526                         AFS_SYSNAME="hp_ux1123"
 527                         ;;
 528                 ia64-hp-hpux11.22)
 529                         AFS_SYSNAME="ia64_hpux1122"
 530                         ;;
 531                 ia64-hp-hpux*)
 532                         AFS_SYSNAME="ia64_hpux1123"
 533                         ;;
 534                 hppa*-hp-hpux10*)
 535                         AFS_SYSNAME="hp_ux102"
 536                         ;;
 537                 powerpc-apple-darwin7*)
 538                         AFS_SYSNAME="ppc_darwin_70"
 539                         OSXSDK="macosx10.3"
 540                         ;;
 541                 powerpc-apple-darwin8.*)
 542                         AFS_SYSNAME="ppc_darwin_80"
 543                         OSXSDK="macosx10.4"
 544                         ;;
 545                 i386-apple-darwin8.*)
 546                         AFS_SYSNAME="x86_darwin_80"
 547                         OSXSDK="macosx10.4"
 548                         ;;
 549                 powerpc-apple-darwin9.*)
 550                         AFS_SYSNAME="ppc_darwin_90"
 551                         OSXSDK="macosx10.5"
 552                         ;;
 553                 i386-apple-darwin9.*)
 554                         AFS_SYSNAME="x86_darwin_90"
 555                         OSXSDK="macosx10.5"
 556                         ;;
 557                 i?86-apple-darwin10.*)
 558                         AFS_SYSNAME="x86_darwin_100"
 559                         OSXSDK="macosx10.6"
 560                         ;;
 561                 x86_64-apple-darwin10.*)
 562                         AFS_SYSNAME="x86_darwin_100"
 563                         OSXSDK="macosx10.6"
 564                         ;;
 565                 arm-apple-darwin10.*)
 566                         AFS_SYSNAME="arm_darwin_100"
 567                         OSXSDK="iphoneos4.0"
 568                         ;;
 569                 x86_64-apple-darwin11.*)
 570                         AFS_SYSNAME="x86_darwin_110"
 571                         OSXSDK="macosx10.7"
 572                         ;;
 573                 i?86-apple-darwin11.*)
 574                         AFS_SYSNAME="x86_darwin_110"
 575                         OSXSDK="macosx10.7"
 576                         ;;
 577                 sparc-sun-solaris2.8)
 578                         AFS_SYSNAME="sun4x_58"
 579                         ;;
 580                 sparc-sun-solaris2.9)
 581                         AFS_SYSNAME="sun4x_59"
 582                         ;;
 583                 sparc-sun-solaris2.10)
 584                         AFS_SYSNAME="sun4x_510"
 585                         ;;
 586                 sparc-sun-solaris2.11)
 587                         AFS_SYSNAME="sun4x_511"
 588                         ;;
 589                 sparc-sun-sunos4*)
 590                         AFS_SYSNAME="sun4_413"
 591                         enable_login="yes"
 592                         ;;
 593                 i386-pc-solaris2.8)
 594                         AFS_SYSNAME="sunx86_58"
 595                         ;;
 596                 i386-pc-solaris2.9)
 597                         AFS_SYSNAME="sunx86_59"
 598                         ;;
 599                 i386-pc-solaris2.10)
 600                         AFS_SYSNAME="sunx86_510"
 601                         ;;
 602                 i386-pc-solaris2.11)
 603                         AFS_SYSNAME="sunx86_511"
 604                         ;;
 605                 alpha*-dec-osf4.0*)
 606                         AFS_SYSNAME="alpha_dux40"
 607                         ;;
 608                 alpha*-dec-osf5.0*)
 609                         AFS_SYSNAME="alpha_dux50"
 610                         ;;
 611                 alpha*-dec-osf5.1*)
 612                         AFS_SYSNAME="alpha_dux51"
 613                         ;;
 614                 mips-sgi-irix6.5)
 615                         AFS_SYSNAME="sgi_65"
 616                         ;;
 617                 ia64-*-linux*)
 618                         AFS_SYSNAME="ia64_linuxXX"
 619                         ;;
 620                 powerpc-*-linux*)
 621                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 622                         ;;
 623                 powerpc64-*-linux*)
 624                         AFS_SYSNAME="ppc64_linuxXX"
 625                         ;;
 626                 alpha*-linux*)
 627                         AFS_SYSNAME="alpha_linux_XX"
 628                         ;;
 629                 s390-*-linux*)
 630                         AFS_SYSNAME="s390_linuxXX"
 631                         ;;
 632                 s390x-*-linux*)
 633                         AFS_SYSNAME="s390x_linuxXX"
 634                         ;;
 635                 sparc-*-linux*)
 636                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 637                         ;;
 638                 sparc64-*-linux*)
 639                         AFS_SYSNAME="sparc64_linuxXX"
 640                         ;;
 641                 i?86-*-linux*)
 642                         AFS_SYSNAME="i386_linuxXX"
 643                         ;;
 644                 arm*-linux*)
 645                         AFS_SYSNAME="arm_linuxXX"
 646                         ;;
 647                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 648                         AFS_SYSNAME="parisc_linuxXX"
 649                         enable_pam="no"
 650                         ;;
 651                 power*-ibm-aix4.2*)
 652                         AFS_SYSNAME="rs_aix42"
 653                         enable_pam="no"
 654                         ;;
 655                 power*-ibm-aix4.3*)
 656                         AFS_SYSNAME="rs_aix42"
 657                         enable_pam="no"
 658                         ;;
 659                 power*-ibm-aix5.1*)
 660                         AFS_SYSNAME="rs_aix51"
 661                         enable_pam="no"
 662                         ;;
 663                 power*-ibm-aix5.2*)
 664                         AFS_SYSNAME="rs_aix52"
 665                         enable_pam="no"
 666                         ;;
 667                 power*-ibm-aix5.3*)
 668                         AFS_SYSNAME="rs_aix53"
 669                         enable_pam="no"
 670                         ;;
 671                 power*-ibm-aix6.1*)
 672                         AFS_SYSNAME="rs_aix61"
 673                         enable_pam="no"
 674                         ;;
 675                 x86_64-*-linux-gnu)
 676                         AFS_SYSNAME="amd64_linuxXX"
 677                         enable_pam="yes"
 678                         ;;
 679                 *)
 680                         AC_MSG_ERROR(An AFS sysname is required)
 681                         exit 1
 682                         ;;
 683         esac
 684         case $AFS_SYSNAME in
 685                 *_linux* | *_umlinux*)
 686                         if test "x${AFS_SYSKVERS}" = "x"; then
 687                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 688                         fi
 689                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 690                         AFS_SYSNAME="$_AFS_SYSNAME"
 691                         AC_TRY_KBUILD(
 692                          [],
 693                          [#ifndef CONFIG_USERMODE
 694                           #error not UML
 695                           #endif],
 696                          ac_cv_linux_is_uml=yes,)
 697                         if test "${ac_cv_linux_is_uml}" = yes; then
 698                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 699                         fi
 700                         AFS_SYSNAME="$_AFS_SYSNAME"
 701                         ;;
 702         esac
 703         AC_MSG_RESULT($AFS_SYSNAME)
 704 fi
 705
 706 case $AFS_SYSNAME in
 707         *_darwin*)
 708                 AC_CHECK_HEADERS(crt_externs.h)
 709                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 710                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 711                 AC_SUBST(OSXSDK)
 712                 ;;
 713 esac
 714
 715 dnl Some hosts have a separate common param file they should include.  Figure
 716 dnl out if we're on one of them now that we know the sysname.
 717 case $AFS_SYSNAME in
 718     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 719     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 720     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 721     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 722     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 723     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 724     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 725     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
 726     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 727     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 728     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 729     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 730     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 731     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 732     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 733     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 734     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 735     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 736     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 737     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 738     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 739     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 740     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 741     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 742     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
 743     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
 744     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 745     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 746     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 747 # Linux alpha adds an extra underscore for no good reason.
 748     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 749     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 750     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 751 esac
 752
 753 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 754
 755                 # Add (sub-) architecture-specific paths needed by conftests
 756                 case $AFS_SYSNAME  in
 757                         *_umlinux26)
 758                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 759                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 760                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 761                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 762                 esac
 763
 764                 if test "x$enable_kernel_module" = "xyes"; then
 765                  if test "x$enable_debug_kernel" = "xno"; then
 766                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 767                  fi
 768                  OPENAFS_GCC_SUPPORTS_MARCH
 769                  AC_SUBST(P5PLUS_KOPTS)
 770                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 771                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 772                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 773                  OPENAFS_GCC_SUPPORTS_PIPE
 774                  AC_SUBST(LINUX_GCC_KOPTS)
 775
 776                  dnl Setup the kernel build environment
 777                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 778                  LINUX_KERNEL_COMPILE_WORKS
 779
 780                  dnl Check for header files
 781                  AC_CHECK_LINUX_HEADER([config.h])
 782                  AC_CHECK_LINUX_HEADER([completion.h])
 783                  AC_CHECK_LINUX_HEADER([exportfs.h])
 784                  AC_CHECK_LINUX_HEADER([freezer.h])
 785                  AC_CHECK_LINUX_HEADER([key-type.h])
 786                  AC_CHECK_LINUX_HEADER([semaphore.h])
 787                  AC_CHECK_LINUX_HEADER([seq_file.h])
 788
 789                  dnl Check for structure elements
 790                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 791                                        [write_begin], [fs.h])
 792                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 793                                        [backing-dev.h])
 794                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 795                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 796                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 797                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 798                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 799                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 800                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 801                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 802                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
 803                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 804                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 805                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 806                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
 807                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 808                                        [fs.h])
 809                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
 810                                        [fs.h])
 811                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 812                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 813                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 814                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 815                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 816                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 817                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 818                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 819                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 820                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 821                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 822
 823                  dnl Check for typed structure elements
 824                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
 825                                              [buf], [fs.h])
 826
 827                  dnl Function existence checks
 828
 829                  AC_CHECK_LINUX_FUNC([bdi_init],
 830                                      [#include <linux/backing-dev.h>],
 831                                      [bdi_init(NULL);])
 832                  AC_CHECK_LINUX_FUNC([PageChecked],
 833                                      [#include <linux/mm.h>
 834 #include <linux/page-flags.h>],
 835                                      [struct page *_page;
 836                                       int bchecked = PageChecked(_page);])
 837                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 838                                      [#include <linux/mm.h>
 839 #include <linux/page-flags.h>],
 840                                      [struct page *_page;
 841                                       int bchecked = PageFsMisc(_page);])
 842                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 843                                      [#include <linux/time.h>],
 844                                      [struct timespec s;
 845                                       s = current_kernel_time();])
 846                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 847                                      [#include <linux/fs.h>],
 848                                      [d_alloc_anon(NULL);])
 849                  AC_CHECK_LINUX_FUNC([do_sync_read],
 850                                      [#include <linux/fs.h>],
 851                                      [do_sync_read(NULL, NULL, 0, NULL);])
 852                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 853                                      [#include <linux/sched.h>],
 854                                      [pid_t p; find_task_by_pid(p);])
 855                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 856                                      [#include <linux/fs.h>],
 857                                      [generic_file_aio_read(NULL,NULL,0,0);])
 858                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 859                                      [#include <linux/pagemap.h>],
 860                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 861                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 862                                      [#include <linux/list.h>],
 863                                      [hlist_unhashed(0);])
 864                  AC_CHECK_LINUX_FUNC([i_size_read],
 865                                      [#include <linux/fs.h>],
 866                                      [i_size_read(NULL);])
 867                  AC_CHECK_LINUX_FUNC([inode_setattr],
 868                                      [#include <linux/fs.h>],
 869                                      [inode_setattr(NULL, NULL);])
 870                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 871                                      [#include <linux/net.h>],
 872                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 873                  AC_CHECK_LINUX_FUNC([page_follow_link],
 874                                      [#include <linux/fs.h>],
 875                                      [page_follow_link(0,0);])
 876                  AC_CHECK_LINUX_FUNC([page_offset],
 877                                      [#include <linux/pagemap.h>],
 878                                      [page_offset(NULL);])
 879                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 880                                      [#include <linux/pagevec.h>],
 881                                      [__pagevec_lru_add_file(NULL);])
 882                  AC_CHECK_LINUX_FUNC([path_lookup],
 883                                      [#include <linux/fs.h>
 884                                       #include <linux/namei.h>],
 885                                      [path_lookup(NULL, 0, NULL);])
 886                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 887                                      [#include <linux/rcupdate.h>],
 888                                      [rcu_read_lock();])
 889                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 890                                      [#include <linux/splice.h>],
 891                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 892                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 893                                      [#include <linux/sunrpc/svc.h>],
 894                                      [svc_addr_in(NULL);])
 895                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 896                                      [#include <linux/highmem.h>],
 897                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 898
 899                  dnl Consequences - things which get set as a result of the
 900                  dnl                above tests
 901                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 902                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 903                                   [define to disable the nfs translator])])
 904
 905                  dnl Assorted more complex tests
 906                  LINUX_EXPORTS_PROC_ROOT_FS
 907                  LINUX_KMEM_CACHE_INIT
 908                  LINUX_HAVE_KMEM_CACHE_T
 909                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 910                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 911                  LINUX_D_PATH_TAKES_STRUCT_PATH
 912                  LINUX_NEW_EXPORT_OPS
 913                  LINUX_INODE_SETATTR_RETURN_TYPE
 914                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 915                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 916                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
 917                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 918                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 919                  LINUX_DOP_D_DELETE_TAKES_CONST
 920                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 921                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 922                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 923                  LINUX_FOP_F_FSYNC_TAKES_RANGE
 924                  LINUX_AOP_WRITEBACK_CONTROL
 925                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 926                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 927                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 928                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 929                  LINUX_KERNEL_SOCK_CREATE
 930                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 931                  LINUX_NEED_RHCONFIG
 932                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 933                  LINUX_EXPORTS_TASKLIST_LOCK
 934                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 935                  LINUX_STATFS_TAKES_DENTRY
 936                  LINUX_REFRIGERATOR
 937                  LINUX_HAVE_TRY_TO_FREEZE
 938                  LINUX_LINUX_KEYRING_SUPPORT
 939                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 940                  LINUX_KEY_ALLOC_NEEDS_CRED
 941                  LINUX_INIT_WORK_HAS_DATA
 942                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 943                  LINUX_HAVE_DCACHE_LOCK
 944                  LINUX_D_COUNT_IS_INT
 945
 946                  dnl If we are guaranteed that keyrings will work - that is
 947                  dnl  a) The kernel has keyrings enabled
 948                  dnl  b) The code is new enough to give us a key_type_keyring
 949                  dnl then we just disable syscall probing unless we've been
 950                  dnl told otherwise
 951
 952                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 953                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 954                           [enable_linux_syscall_probing="no"],
 955                           [enable_linux_syscall_probing="yes"])
 956                  ])
 957
 958                  dnl Syscall probing needs a few tests of its own, and just
 959                  dnl won't work if the kernel doesn't export init_mm
 960                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 961                    LINUX_EXPORTS_INIT_MM
 962                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 963                      AC_MSG_ERROR(
 964                        [Can't do syscall probing without exported init_mm])
 965                    ])
 966                    LINUX_EXPORTS_SYS_CHDIR
 967                    LINUX_EXPORTS_SYS_OPEN
 968                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 969                              [define to enable syscall table probes])
 970                  ])
 971
 972                  dnl Packaging and SMP build
 973                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
 974                    LINUX_WHICH_MODULES
 975                  else
 976                    AC_SUBST(MPS,'SP')
 977                  fi
 978
 979                  dnl Syscall probing
 980                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 981                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 982                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 983                    ])
 984                    ac_cv_linux_exports_sys_call_table=no
 985                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 986                      ac_cv_linux_exports_ia32_sys_call_table=yes
 987                    fi
 988                  else
 989                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 990                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 991                    LINUX_EXPORTS_SYS_CALL_TABLE
 992                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 993                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 994                          linux_syscall_method=none
 995                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 996                             linux_syscall_method=scan
 997                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 998                                linux_syscall_method=scan_with_kallsyms_address
 999                             fi
1000                          fi
1001                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1002                             linux_syscall_method=kallsyms_symbol
1003                          fi
1004                          if test "x$linux_syscall_method" = "xnone"; then
1005                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1006                             linux_syscall_method=scan
1007                          fi
1008                    fi
1009                  fi
1010                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1011                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1012                  fi
1013                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1014                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1015                  fi
1016                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1017                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1018                  else
1019                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1020                  fi
1021                 :
1022                 fi
1023 dnl Linux-only, but just enable always.
1024                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1025 esac
1026
1027 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1028     [ac_cv_sync_fetch_and_add],
1029     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1030                     [ac_cv_sync_fetch_and_add=yes],
1031                     [ac_cv_sync_fetch_and_add=no])
1032 ])
1033 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1034       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1035                 [define if your C compiler has __sync_add_and_fetch])])
1036
1037 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1038     [ac_cv_sockaddr_len],
1039     [AC_TRY_COMPILE( [#include <sys/types.h>
1040 #include <sys/socket.h>],
1041                      [struct sockaddr *a; a->sa_len=0;],
1042                      [ac_cv_sockaddr_len=yes],
1043                      [ac_cv_sockaddr_len=no])
1044 ])
1045 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1046       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1047                  [define if you struct sockaddr sa_len])])
1048
1049 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1050         echo Skipping library tests because they confuse Irix.
1051 else
1052   AC_SEARCH_LIBS([socket], [socket inet])
1053   AC_SEARCH_LIBS([connect], [nsl])
1054   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1055
1056   dnl darwin wants it, aix hates it
1057   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1058   AC_TRY_COMPILE([
1059   #include <stdlib.h>
1060   #include <stdio.h>
1061   #include <sys/types.h>
1062   #include <sys/socket.h>
1063   #include <netinet/in.h>
1064   #include <arpa/inet.h>
1065   #include <arpa/nameser.h>
1066   #include <arpa/nameser_compat.h>
1067   #include <resolv.h>
1068   ], [static int i; i = 0;],
1069   [AC_MSG_RESULT(yes)
1070    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1071   [AC_MSG_RESULT(no)
1072    ])
1073
1074   openafs_save_libs="$LIBS"
1075   AC_MSG_CHECKING([for res_search])
1076   AC_FUNC_RES_SEARCH
1077
1078   if test "$ac_cv_func_res_search" = no; then
1079       for lib in dns nsl resolv; do
1080         if test "$ac_cv_func_res_search" != yes; then
1081           LIBS="-l$lib $LIBS"
1082           AC_FUNC_RES_SEARCH
1083           LIBS="$openafs_save_libs"
1084         fi
1085       done
1086       if test "$ac_cv_func_res_search" = yes; then
1087         LIB_AFSDB="-l$lib"
1088         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1089         AC_MSG_RESULT([yes, in lib$lib])
1090       else
1091         AC_MSG_RESULT(no)
1092       fi
1093   else
1094     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1095     AC_MSG_RESULT(yes)
1096   fi
1097
1098 fi
1099
1100 AC_CHECK_RESOLV_RETRANS
1101
1102 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1103     [ac_cv_setsockopt_iprecverr],
1104     [AC_TRY_COMPILE( [
1105 #include <sys/types.h>
1106 #include <sys/socket.h>
1107 #include <netinet/in.h>],
1108 [int on=1;
1109 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1110         [ac_cv_setsockopt_iprecverr=yes],
1111         [ac_cv_setsockopt_iprecverr=no])])
1112
1113 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1114       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1115                  [define if asynchronous socket errors can be received])])
1116
1117 PTHREAD_LIBS=error
1118 if test "x$MKAFS_OSTYPE" = OBSD; then
1119         PTHREAD_LIBS="-pthread"
1120 fi
1121 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1122         PTHREAD_LIBS="-pthread"
1123 fi
1124 if test "x$PTHREAD_LIBS" = xerror; then
1125         AC_CHECK_LIB(pthread, pthread_attr_init,
1126                 PTHREAD_LIBS="-lpthread")
1127 fi
1128 if test "x$PTHREAD_LIBS" = xerror; then
1129         AC_CHECK_LIB(pthreads, pthread_attr_init,
1130                 PTHREAD_LIBS="-lpthreads")
1131 fi
1132 if test "x$PTHREAD_LIBS" = xerror; then
1133         AC_CHECK_LIB(c_r, pthread_attr_init,
1134                 PTHREAD_LIBS="-lc_r")
1135 fi
1136 if test "x$PTHREAD_LIBS" = xerror; then
1137         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1138 fi
1139 if test "x$PTHREAD_LIBS" = xerror; then
1140         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1141         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1142                 PTHREAD_LIBS="-lpthread")
1143 fi
1144 if test "x$PTHREAD_LIBS" = xerror; then
1145         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1146 fi
1147 AC_SUBST(PTHREAD_LIBS)
1148
1149 HOST_CPU="$host_cpu"
1150
1151 if test "x$with_bsd_kernel_headers" != "x"; then
1152         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1153 else
1154         BSD_KERNEL_PATH="/usr/src/sys"
1155 fi
1156
1157 if test "x$with_bsd_kernel_build" != "x"; then
1158         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1159 else
1160         case $AFS_SYSNAME in
1161                 *_fbsd_*)
1162                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1163                         ;;
1164                 *_nbsd*)
1165                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1166         esac
1167 fi
1168
1169 # Fast restart
1170 if test "$enable_supergroups" = "yes"; then
1171         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1172 fi
1173
1174 if test "$enable_bitmap_later" = "yes"; then
1175         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1176 fi
1177
1178 if test "$enable_unix_sockets" = "yes"; then
1179         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1180         USE_UNIX_SOCKETS="yes"
1181 else
1182         USE_UNIX_SOCKETS="no"
1183 fi
1184 AC_SUBST(USE_UNIX_SOCKETS)
1185
1186 dnl if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1187 dnl     AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1188 dnl fi
1189
1190 if test "$enable_namei_fileserver" = "yes"; then
1191         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1192         VFSCK=""
1193 else
1194         if test "$enable_namei_fileserver" = "default"; then
1195                 case $host in
1196                         *-solaris2.10*)
1197                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1198                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1199                                 VFSCK=""
1200                                 ;;
1201                         *-solaris2.11*)
1202                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1203                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1204                                 VFSCK=""
1205                                 ;;
1206                         *)
1207                                 VFSCK="vfsck"
1208                                 ;;
1209                 esac
1210         else
1211                 VFSCK="vfsck"
1212         fi
1213 fi
1214
1215 dnl check for tivoli
1216 AC_MSG_CHECKING(for tivoli tsm butc support)
1217 XBSA_CFLAGS=""
1218 if test "$enable_tivoli_tsm" = "yes"; then
1219         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1220         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1221         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1222         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1223
1224         if test -r "$XBSADIR3/dsmapifp.h"; then
1225                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1226                 XBSA_XLIBS="-ldl"
1227                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1228         elif test -r "$XBSADIR4/dsmapifp.h"; then
1229                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1230                 XBSA_XLIBS="-ldl"
1231                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1232         elif test -r "$XBSADIR1/xbsa.h"; then
1233                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1234                 XBSA_XLIBS=""
1235                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1236         elif test -r "$XBSADIR2/xbsa.h"; then
1237                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1238                 XBSA_XLIBS=""
1239                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1240         else
1241                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1242         fi
1243 else
1244         AC_MSG_RESULT([no])
1245 fi
1246 AC_SUBST(XBSA_CFLAGS)
1247 AC_SUBST(XBSA_XLIBS)
1248
1249 dnl checks for header files.
1250 AC_HEADER_STDC
1251 AC_HEADER_SYS_WAIT
1252 AC_HEADER_DIRENT
1253 AC_CHECK_HEADERS([ \
1254                    arpa/inet.h \
1255                    arpa/nameser.h \
1256                    curses.h\
1257                    direct.h \
1258                    et/com_err.h \
1259                    errno.h \
1260                    fcntl.h \
1261                    grp.h \
1262                    math.h \
1263                    mntent.h \
1264                    ncurses.h \
1265                    netdb.h \
1266                    netinet/in.h \
1267                    pthread_np.h \
1268                    pwd.h \
1269                    regex.h \
1270                    security/pam_appl.h \
1271                    signal.h \
1272                    stdint.h \
1273                    stdio_ext.h \
1274                    stdlib.h \
1275                    string.h \
1276                    strings.h \
1277                    sys/bitypes.h \
1278                    sys/bswap.h \
1279                    sys/dk.h \
1280                    sys/fcntl.h \
1281                    sys/file.h \
1282                    sys/fs_types.h \
1283                    sys/fstyp.h \
1284                    sys/ioctl.h \
1285                    sys/ipc.h \
1286                    sys/lockf.h \
1287                    sys/map.h \
1288                    sys/mount.h \
1289                    sys/mntent.h \
1290                    sys/mnttab.h \
1291                    sys/pag.h \
1292                    sys/param.h \
1293                    sys/resource.h \
1294                    sys/select.h \
1295                    sys/statfs.h \
1296                    sys/statvfs.h \
1297                    sys/socket.h \
1298                    sys/sysctl.h \
1299                    sys/time.h \
1300                    sys/types.h \
1301                    sys/uio.h \
1302                    sys/un.h \
1303                    sys/vfs.h \
1304                    syslog.h \
1305                    termios.h \
1306                    time.h \
1307                    ucontext.h \
1308                    unistd.h \
1309                    windows.h \
1310                 ])
1311
1312 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1313 #ifdef HAVE_NETINET_IN_H
1314 # include <netinet/in.h>
1315 #endif])
1316
1317 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1318 #ifdef HAVE_SYS_SOCKET_H
1319 # include <sys/socket.h>
1320 #endif])
1321
1322 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1323 #ifdef HAVE_SYS_SOCKET_H
1324 # include <sys/socket.h>
1325 #endif
1326 #ifdef HAVE_NETINET_IN_H
1327 # include <netinet/in.h>
1328 #endif
1329 #ifdef HAVE_NET_IF_H
1330 # include <net/if.h>
1331 #endif])
1332
1333 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1334 #ifdef HAVE_SECURITY_PAM_APPL_H
1335 # include <security/pam_appl.h>
1336 #endif])
1337
1338 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1339
1340 AC_CHECK_TYPES([fsblkcnt_t],,,[
1341 #include <sys/types.h>
1342 #ifdef HAVE_SYS_BITYPES_H
1343 #include <sys/bitypes.h>
1344 #endif
1345 #ifdef HAVE_SYS_STATFS_H
1346 #include <sys/statfs.h>
1347 #endif
1348 #ifdef HAVE_SYS_STATVFS_H
1349 #include <sys/statvfs.h>
1350 #endif
1351 ])
1352
1353 dnl check for curses-lib
1354 save_LIBS=$LIBS
1355 AC_CHECK_LIB( [ncurses], [setupterm],
1356 [LIB_curses=-lncurses],
1357     [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1358         [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])
1359     ])
1360 ])
1361 LIBS=$save_LIBS
1362 AC_SUBST(LIB_curses)
1363
1364 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1365
1366 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1367 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1368         case $AFS_SYSNAME in
1369         sgi_*)
1370                 HAVE_PAM="no"
1371                 ;;
1372         *)
1373                 HAVE_PAM="yes"
1374                 ;;
1375         esac
1376 else
1377         HAVE_PAM="no"
1378 fi
1379 AC_SUBST(HAVE_PAM)
1380
1381 if test "$enable_login" = yes; then
1382         BUILD_LOGIN="yes"
1383 else
1384         BUILD_LOGIN="no"
1385 fi
1386 AC_SUBST(BUILD_LOGIN)
1387
1388 AC_CHECK_FUNCS([ \
1389         arc4random \
1390         fcntl \
1391         fseeko64 \
1392         ftello64 \
1393         getcwd \
1394         getegid \
1395         geteuid \
1396         getgid \
1397         getuid \
1398         getprogname \
1399         getrlimit \
1400         issetugid \
1401         mkstemp \
1402         pread \
1403         preadv \
1404         preadv64 \
1405         pwrite \
1406         pwritev \
1407         pwritev64 \
1408         regcomp \
1409         regerror \
1410         regexec \
1411         setitimer \
1412         setprogname \
1413         setvbuf \
1414         sigaction \
1415         strcasestr \
1416         strerror \
1417         sysconf \
1418         sysctl \
1419         timegm \
1420 ])
1421
1422 OPENAFS_ROKEN()
1423 OPENAFS_C_ATTRIBUTE()
1424
1425 dnl Functions that Heimdal's libroken provides, but that we
1426 dnl haven't found a need for yet, and so haven't imported
1427 AC_CHECK_FUNCS([ \
1428         chown \
1429         fchown \
1430         gethostname \
1431         lstat \
1432         inet_aton \
1433         inet_ntop \
1434         inet_pton \
1435         putenv \
1436         readv \
1437         setenv \
1438         strdup \
1439         strftime \
1440         strndup \
1441         strsep \
1442         unsetenv \
1443 ])
1444
1445 dnl Functions that are in objects that we always build from libroken
1446 AC_CHECK_FUNCS([ \
1447         asprintf \
1448         asnprintf \
1449         vasprintf \
1450         vasnprintf \
1451         vsnprintf \
1452         snprintf \
1453 ])
1454
1455 dnl Functions that we're going to try and get from libroken
1456 AC_REPLACE_FUNCS([ \
1457         daemon \
1458         ecalloc \
1459         emalloc \
1460         erealloc \
1461         err \
1462         errx \
1463         flock \
1464         getdtablesize \
1465         getopt \
1466         getprogname \
1467         gettimeofday \
1468         localtime_r \
1469         mkstemp \
1470         strcasecmp \
1471         strlcat \
1472         strnlen \
1473         strlcpy \
1474         strsep \
1475         tdelete \
1476         tfind \
1477         tsearch \
1478         twalk \
1479         verr \
1480         verrx \
1481         vsyslog \
1482         vwarn \
1483         vwarnx \
1484         warn \
1485         warnx \
1486 ])
1487
1488 dnl Headers that we're going to try and get from libroken
1489 AC_CHECK_HEADERS([ \
1490         err.h \
1491         search.h \
1492 ])
1493
1494 AC_CHECK_DECLS([h_errno], [], [], [
1495 #include <sys/types.h>
1496 #ifdef HAVE_NETDB_H
1497 #include <netdb.h>
1498 #endif
1499 ])
1500
1501 AC_HEADER_TIME
1502
1503 ROKEN_HEADERS=
1504 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1505       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1506       [])
1507 AC_SUBST(ROKEN_HEADERS)
1508
1509 dnl Stuff that's harder ...
1510 AC_MSG_CHECKING([for bswap16])
1511 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1512 #ifdef HAVE_SYS_TYPES_H
1513 #include <sys/types.h>
1514 #endif
1515 #ifdef HAVE_SYS_BSWAP_H
1516 #include <sys/bswap.h>
1517 #endif
1518 ],
1519 [short a, b; b = bswap16(a); ])],
1520 [AC_MSG_RESULT(yes)
1521  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1522 ],
1523 [AC_MSG_RESULT(no)])
1524
1525 AC_MSG_CHECKING([for bswap32])
1526 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1527 #include <sys/types.h>
1528 #endif
1529 #ifdef HAVE_SYS_BSWAP_H
1530 #include <sys/bswap.h>
1531 #endif
1532 ],
1533 [int a, b; b = bswap32(a); ])],
1534 [AC_MSG_RESULT(yes)
1535  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1536 ],
1537 [AC_MSG_RESULT(no)])
1538
1539 case $AFS_SYSNAME in
1540 *hp_ux* | *hpux*)
1541    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1542    ;;
1543 *)
1544    AC_MSG_CHECKING([for positional I/O])
1545    if test "$ac_cv_func_pread" = "yes" && \
1546            test "$ac_cv_func_pwrite" = "yes"; then
1547       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1548       AC_MSG_RESULT(yes)
1549    else
1550      AC_MSG_RESULT(no)
1551    fi
1552    AC_MSG_CHECKING([for vectored positional I/O])
1553    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1554                "$ac_cv_func_pwritev" = "yes" -a \
1555                "$ac_cv_func_preadv64" = "yes" -a \
1556                "$ac_cv_func_pwritev64" = "yes"],
1557          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1558           AC_MSG_RESULT(yes)],
1559          [AC_MSG_RESULT(no)])
1560    ;;
1561 esac
1562
1563 AC_MSG_CHECKING([for POSIX regex library])
1564 if test "$ac_cv_header_regex_h" = "yes" && \
1565         test "$ac_cv_func_regcomp" = "yes" && \
1566         test "$ac_cv_func_regexec" = "yes" && \
1567         test "$ac_cv_func_regerror" = "yes"; then
1568     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1569     AC_MSG_RESULT(yes)
1570 else
1571     AC_MSG_RESULT(no)
1572 fi
1573
1574 dnl Look for "non-portable" pthreads functions.
1575 save_LIBS="$LIBS"
1576 LIBS="$LIBS $PTHREAD_LIBS"
1577 AC_CHECK_FUNCS([ \
1578         pthread_set_name_np \
1579         pthread_setname_np \
1580 ])
1581
1582 dnl Sadly, there are three different versions of pthread_setname_np.
1583 dnl Try to cater for all of them.
1584 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1585     AC_MSG_CHECKING([for signature of pthread_setname_np])
1586     AC_TRY_COMPILE([
1587 #include <pthread.h>
1588 #ifdef HAVE_PTHREAD_NP_H
1589 #include <pthread_np.h>
1590 #endif
1591 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1592         AC_MSG_RESULT([three arguments])
1593         pthread_setname_np_args=3], [
1594         AC_TRY_COMPILE([
1595 #include <pthread.h>
1596 #ifdef HAVE_PTHREAD_NP_H
1597 #include <pthread_np.h>
1598 #endif
1599 ], [pthread_setname_np(pthread_self(), "test")], [
1600             AC_MSG_RESULT([two arguments])
1601             pthread_setname_np_args=2], [
1602             AC_TRY_COMPILE([
1603 #include <pthread.h>
1604 #ifdef HAVE_PTHREAD_NP_H
1605 #include <pthread_np.h>
1606 #endif
1607 ], [pthread_setname_np("test")], [
1608                 AC_MSG_RESULT([one argument])
1609                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1610 ])
1611 ])
1612 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1613 fi
1614 LIBS="$save_LIBS"
1615
1616 OPENAFS_OSCONF
1617 openafs_cv_saved_CFLAGS="$CFLAGS"
1618 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1619
1620 AC_TYPE_SIGNAL
1621 OPENAFS_RETSIGTYPE
1622 AC_CHECK_SIZEOF(void *)
1623 AC_CHECK_SIZEOF(unsigned long long)
1624 AC_CHECK_SIZEOF(unsigned long)
1625 AC_CHECK_SIZEOF(unsigned int)
1626 AC_TYPE_INTPTR_T
1627 AC_TYPE_UINTPTR_T
1628 AC_TYPE_SSIZE_T
1629 AC_CHECK_TYPE([sig_atomic_t],[],
1630     [AC_DEFINE([sig_atomic_t], [int],
1631         [Define to int if <signal.h> does not define.])],
1632 [#include <sys/types.h>
1633 #include <signal.h>])
1634 AC_CHECK_TYPE([socklen_t],[],
1635     [AC_DEFINE([socklen_t], [int],
1636         [Define to int if <sys/socket.h> does not define.])],
1637 [#include <sys/types.h>
1638 #include <sys/socket.h>])
1639 AC_CHECK_TYPES(off64_t)
1640 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1641 AC_CHECK_TYPES([struct winsize], [], [], [
1642 #ifdef HAVE_TERMIOS_H
1643 # include <termios.h>
1644 #else
1645 # include <sys/termios.h>
1646 #endif
1647 #include <sys/ioctl.h>])
1648 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1649                 struct sockaddr_storage],
1650                [], [], [
1651 #include <sys/types.h>
1652 #include <sys/socket.h>
1653 ])
1654 AC_CHECK_TYPES([sa_family_t], [], [], [
1655 #include <sys/types.h>
1656 #include <sys/socket.h>
1657 ])
1658 AC_CHECK_TYPES([struct addrinfo], [], [], [
1659 #include <sys/types.h>
1660 #ifdef HAVE_NETDB_H
1661 #include <netdb.h>
1662 #endif
1663 ])
1664 AC_CHECK_TYPES([long long], [], [], [])
1665
1666 AC_SIZEOF_TYPE(long)
1667
1668 CFLAGS="$openafs_cv_saved_CFLAGS"
1669
1670 RRA_HEADER_PAM_CONST
1671
1672
1673 dnl Directory PATH handling
1674 if test "x$enable_transarc_paths" = "xyes"  ; then
1675     afsconfdir=${afsconfdir=/usr/afs/etc}
1676     viceetcdir=${viceetcdir=/usr/vice/etc}
1677     afskerneldir=${afskerneldir=${viceetcdir}}
1678     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1679     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1680     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1681     afsdbdir=${afsdbdir=/usr/afs/db}
1682     afslogsdir=${afslogsdir=/usr/afs/logs}
1683     afslocaldir=${afslocaldir=/usr/afs/local}
1684     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1685     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1686     afsdatadir=${afsdatadir=/usr/vice/etc}
1687 else
1688     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1689     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1690     afskerneldir=${afskerneldir='${libdir}/openafs'}
1691     afssrvbindir=${afssrvbindir='${bindir}'}
1692     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1693     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1694     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1695     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1696     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1697     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1698     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1699     afsdatadir=${afsdatadir='${datadir}/openafs'}
1700 fi
1701 AC_SUBST(afsconfdir)
1702 AC_SUBST(viceetcdir)
1703 AC_SUBST(afskerneldir)
1704 AC_SUBST(afssrvbindir)
1705 AC_SUBST(afssrvsbindir)
1706 AC_SUBST(afssrvlibexecdir)
1707 AC_SUBST(afsdbdir)
1708 AC_SUBST(afslogsdir)
1709 AC_SUBST(afslocaldir)
1710 AC_SUBST(afsbackupdir)
1711 AC_SUBST(afsbosconfigdir)
1712 AC_SUBST(afsdatadir)
1713
1714 if test "x$enable_kernel_module" = "xyes"; then
1715 ENABLE_KERNEL_MODULE=libafs
1716 fi
1717
1718 if test "x$enable_pthreaded_ubik" = "xyes"; then
1719 ENABLE_PTHREADED_UBIK=yes
1720 fi
1721
1722 AC_SUBST(VFSCK)
1723 AC_SUBST(AFS_SYSNAME)
1724 AC_SUBST(AFS_PARAM_COMMON)
1725 AC_SUBST(ENABLE_KERNEL_MODULE)
1726 AC_SUBST(ENABLE_PTHREADED_UBIK)
1727 AC_SUBST(LIB_AFSDB)
1728 AC_SUBST(LINUX_KERNEL_PATH)
1729 AC_SUBST(LINUX_KERNEL_BUILD)
1730 AC_SUBST(HOST_CPU)
1731 AC_SUBST(BSD_KERNEL_PATH)
1732 AC_SUBST(BSD_KERNEL_BUILD)
1733 AC_SUBST(LINUX_VERSION)
1734 AC_SUBST(MKAFS_OSTYPE)
1735 AC_SUBST(TOP_OBJDIR)
1736 AC_SUBST(TOP_SRCDIR)
1737 AC_SUBST(TOP_INCDIR)
1738 AC_SUBST(TOP_LIBDIR)
1739 AC_SUBST(DEST)
1740 AC_SUBST(DARWIN_INFOFILE)
1741 AC_SUBST(IRIX_BUILD_IP35)
1742 AC_SUBST(HTML_XSL)
1743 AC_SUBST(XSLTPROC)
1744 AC_SUBST(DOCBOOK2PDF)
1745 AC_SUBST(DOCBOOK_STYLESHEETS)
1746
1747 OPENAFS_FUSE
1748 OPENAFS_SWIG
1749
1750 TOP_SRCDIR="${srcdir}/src"
1751 dnl
1752 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1753 dnl
1754 case $TOP_SRCDIR in
1755         /*)
1756                 ;;
1757         *)
1758                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1759                 ;;
1760 esac
1761
1762 TOP_OBJDIR="${SRCDIR_PARENT}"
1763 TOP_INCDIR="${SRCDIR_PARENT}/include"
1764 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1765 if test "${DEST}x" = "x"; then
1766         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1767 fi
1768
1769 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1770 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1771 AC_SUBST(HELPER_SPLINT)
1772 AC_SUBST(HELPER_SPLINTCFG)
1773
1774 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1775
1776 dnl Check to see if crypt lives in a different library
1777 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1778 AC_SUBST(LIB_crypt)
1779
1780 dnl Check to see if the compiler support labels in structs
1781 AC_MSG_CHECKING(for label support in structs)
1782 AC_TRY_COMPILE([], [
1783 extern void osi_UFSOpen(void);
1784 struct labeltest {
1785    void (*open) (void);
1786 };
1787 struct labeltest struct_labeltest = {
1788    .open       = osi_UFSOpen,
1789 }
1790 ],
1791 [AC_MSG_RESULT(yes)
1792  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1793 ],
1794 [AC_MSG_RESULT(no)
1795 ])
1796
1797 AC_MSG_CHECKING([checking for dirfd])
1798 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1799 #ifdef HAVE_DIRENT_H
1800 #include <dirent.h>
1801 #endif
1802 ]],
1803         [[DIR *d = 0; dirfd(d);]])],
1804         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1805 if test "$ac_rk_have_dirfd" = "yes" ; then
1806         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1807 fi
1808 AC_MSG_RESULT($ac_rk_have_dirfd)
1809
1810 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1811 #ifdef HAVE_DIRENT_H
1812 #include <dirent.h>
1813 #endif])
1814
1815 dnl Eventually, this will look for the system one, or for OpenSSL
1816 LIB_hcrypto="-lafshcrypto"
1817 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1818 AC_SUBST(LIB_hcrypto)
1819 AC_SUBST(LDFLAGS_hcrypto)
1820 ])
1821
1822 AC_DEFUN([SUMMARY], [
1823     # Print a configuration summary
1824 echo
1825 echo "**************************************"
1826 echo configure summary
1827 echo
1828 AS_IF([test $LIB_curses],[
1829 echo "LIB_curses :                $LIB_curses" ],[
1830 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1831 ])
1832 echo
1833 echo "**************************************"
1834 ])