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