lnet/autoconf/lustre-lnet.m4

   1 #
   2 # LN_CONFIG_MAX_PAYLOAD
   3 #
   4 # configure maximum payload
   5 #
   6 AC_DEFUN([LN_CONFIG_MAX_PAYLOAD],
   7 [AC_MSG_CHECKING([for non-default maximum LNET payload])
   8 AC_ARG_WITH([max-payload-mb],
   9         AC_HELP_STRING([--with-max-payload-mb=MBytes],
  10                        [set maximum lnet payload in MBytes]),
  11         [
  12                 AC_MSG_RESULT([$with_max_payload_mb])
  13                 LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
  14                 LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
  15         ], [
  16                 AC_MSG_RESULT([no])
  17                 LNET_MAX_PAYLOAD="LNET_MTU"
  18         ])
  19         AC_DEFINE_UNQUOTED(LNET_MAX_PAYLOAD, $LNET_MAX_PAYLOAD,
  20                            [Max LNET payload])
  21 ])
  22
  23 #
  24 # LN_CHECK_GCC_VERSION
  25 #
  26 # Check compiler version
  27 #
  28 AC_DEFUN([LN_CHECK_GCC_VERSION],
  29 [AC_MSG_CHECKING([compiler version])
  30 PTL_CC_VERSION=`$CC --version | awk '/^gcc/{print $ 3}'`
  31 PTL_MIN_CC_VERSION="3.2.2"
  32 v2n() {
  33         awk -F. '{printf "%d\n", (($ 1)*100+($ 2))*100+($ 3)}'
  34 }
  35 if test -z "$PTL_CC_VERSION" -o \
  36         `echo $PTL_CC_VERSION | v2n` -ge `echo $PTL_MIN_CC_VERSION | v2n`; then
  37         AC_MSG_RESULT([ok])
  38 else
  39         AC_MSG_RESULT([Buggy compiler found])
  40         AC_MSG_ERROR([Need gcc version >= $PTL_MIN_CC_VERSION])
  41 fi
  42 ])
  43
  44 #
  45 # LN_FUNC_DEV_GET_BY_NAME_2ARG
  46 #
  47 AC_DEFUN([LN_FUNC_DEV_GET_BY_NAME_2ARG],
  48 [AC_MSG_CHECKING([if dev_get_by_name has two args])
  49 LB_LINUX_TRY_COMPILE([
  50         #include <linux/netdevice.h>
  51 ],[
  52         dev_get_by_name(NULL, NULL);
  53 ],[
  54         AC_MSG_RESULT([yes])
  55         AC_DEFINE(HAVE_DEV_GET_BY_NAME_2ARG, 1, [dev_get_by_name has 2 args])
  56 ],[
  57         AC_MSG_RESULT([no])
  58 ])
  59 ])
  60
  61 #
  62 # LN_CONFIG_AFFINITY
  63 #
  64 # check if cpu affinity is available/wanted
  65 #
  66 AC_DEFUN([LN_CONFIG_AFFINITY],
  67 [AC_ARG_ENABLE([affinity],
  68         AC_HELP_STRING([--disable-affinity],
  69                        [disable process/irq affinity]),
  70         [],[enable_affinity='yes'])
  71
  72 AC_MSG_CHECKING([for CPU affinity support])
  73 if test x$enable_affinity = xno ; then
  74         AC_MSG_RESULT([no (by request)])
  75 else
  76         LB_LINUX_TRY_COMPILE([
  77                 #include <linux/sched.h>
  78         ],[
  79                 struct task_struct t;
  80                 #if HAVE_CPUMASK_T
  81                 cpumask_t     m;
  82                 #else
  83                 unsigned long m;
  84                 #endif
  85                 set_cpus_allowed(&t, m);
  86         ],[
  87                 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
  88                 AC_MSG_RESULT([yes])
  89         ],[
  90                 AC_MSG_RESULT([no (no kernel support)])
  91         ])
  92 fi
  93 ])
  94
  95 #
  96 # LN_CONFIG_PORTALS
  97 #
  98 # configure support for Portals
  99 #
 100 AC_DEFUN([LN_CONFIG_PORTALS],
 101 [AC_MSG_CHECKING([for portals])
 102 AC_ARG_WITH([portals],
 103         AC_HELP_STRING([--with-portals=path],
 104                        [set path to portals]),
 105         [
 106                 case $with_portals in
 107                         no)     ENABLEPORTALS=0
 108                                 ;;
 109                         *)      PORTALS="${with_portals}"
 110                                 ENABLEPORTALS=1
 111                                 ;;
 112                 esac
 113         ], [
 114                 ENABLEPORTALS=0
 115         ])
 116 PTLLNDCPPFLAGS=""
 117 if test $ENABLEPORTALS -eq 0; then
 118         AC_MSG_RESULT([no])
 119 elif test ! \( -f ${PORTALS}/include/portals/p30.h \); then
 120         AC_MSG_RESULT([no])
 121         AC_MSG_ERROR([bad --with-portals path])
 122 else
 123         AC_MSG_RESULT([$PORTALS])
 124         PTLLNDCPPFLAGS="-I${PORTALS}/include"
 125 fi
 126 AC_SUBST(PTLLNDCPPFLAGS)
 127 ])
 128
 129 #
 130 # LN_CONFIG_BACKOFF
 131 #
 132 # check if tunable tcp backoff is available/wanted
 133 #
 134 AC_DEFUN([LN_CONFIG_BACKOFF],
 135 [AC_MSG_CHECKING([for tunable backoff TCP support])
 136 AC_ARG_ENABLE([backoff],
 137        AC_HELP_STRING([--disable-backoff],
 138                       [disable socknal tunable backoff]),
 139        [],[enable_backoff='yes'])
 140 if test x$enable_backoff = xno ; then
 141        AC_MSG_RESULT([no (by request)])
 142 else
 143        BOCD="`grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h`"
 144        if test "$BOCD" != 0 ; then
 145                AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
 146                AC_MSG_RESULT(yes)
 147                if grep rto_max $LINUX/include/linux/tcp.h|grep -q __u16; then
 148                    AC_DEFINE(SOCKNAL_BACKOFF_MS, 1, [tunable backoff TCP in ms])
 149                fi
 150        else
 151                AC_MSG_RESULT([no (no kernel support)])
 152        fi
 153 fi
 154 ])
 155
 156
 157 #
 158 # LN_CONFIG_PTLLND
 159 #
 160 # configure support for Portals LND
 161 #
 162 AC_DEFUN([LN_CONFIG_PTLLND],
 163 [
 164 if test -z "$ENABLEPORTALS"; then
 165         LN_CONFIG_PORTALS
 166 fi
 167
 168 AC_MSG_CHECKING([whether to build the kernel portals LND])
 169
 170 PTLLND=""
 171 if test $ENABLEPORTALS -ne 0; then
 172         AC_MSG_RESULT([yes])
 173         PTLLND="ptllnd"
 174 else
 175         AC_MSG_RESULT([no])
 176 fi
 177 AC_SUBST(PTLLND)
 178 ])
 179
 180 #
 181 # LN_CONFIG_UPTLLND
 182 #
 183 # configure support for Portals LND
 184 #
 185 AC_DEFUN([LN_CONFIG_UPTLLND],
 186 [
 187 if test -z "$ENABLEPORTALS"; then
 188         LN_CONFIG_PORTALS
 189 fi
 190
 191 AC_MSG_CHECKING([whether to build the userspace portals LND])
 192
 193 UPTLLND=""
 194 if test $ENABLEPORTALS -ne 0; then
 195         AC_MSG_RESULT([yes])
 196         UPTLLND="ptllnd"
 197 else
 198         AC_MSG_RESULT([no])
 199 fi
 200 AC_SUBST(UPTLLND)
 201 ])
 202
 203 #
 204 # LN_CONFIG_USOCKLND
 205 #
 206 # configure support for userspace TCP/IP LND
 207 #
 208 AC_DEFUN([LN_CONFIG_USOCKLND],
 209 [AC_MSG_CHECKING([whether to build usocklnd])
 210 AC_ARG_ENABLE([usocklnd],
 211         AC_HELP_STRING([--disable-usocklnd],
 212                         [disable usocklnd]),
 213         [],[enable_usocklnd='yes'])
 214
 215 if test x$enable_usocklnd = xyes ; then
 216         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
 217                 AC_MSG_RESULT([yes])
 218                 USOCKLND="usocklnd"
 219         else
 220                 AC_MSG_RESULT([no (libpthread not present or disabled)])
 221                 USOCKLND=""
 222         fi
 223 else
 224         AC_MSG_RESULT([no (disabled explicitly)])
 225         USOCKLND=""
 226 fi
 227 AC_SUBST(USOCKLND)
 228 ])
 229
 230 #
 231 # LN_CONFIG_QUADRICS
 232 #
 233 # check if quadrics support is in this kernel
 234 #
 235 AC_DEFUN([LN_CONFIG_QUADRICS],
 236 [AC_MSG_CHECKING([for QsNet sources])
 237 AC_ARG_WITH([qsnet],
 238         AC_HELP_STRING([--with-qsnet=path],
 239                        [set path to qsnet source (default=$LINUX)]),
 240         [QSNET=$with_qsnet],
 241         [QSNET=$LINUX])
 242 AC_MSG_RESULT([$QSNET])
 243
 244 AC_MSG_CHECKING([if quadrics kernel headers are present])
 245 if test -d $QSNET/drivers/net/qsnet ; then
 246         AC_MSG_RESULT([yes])
 247         QSWLND="qswlnd"
 248         AC_MSG_CHECKING([for multirail EKC])
 249         if test -f $QSNET/include/elan/epcomms.h; then
 250                 AC_MSG_RESULT([supported])
 251                 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
 252         else
 253                 AC_MSG_RESULT([not supported])
 254                 AC_MSG_ERROR([Need multirail EKC])
 255         fi
 256
 257         if test x$QSNET = x$LINUX ; then
 258                 LB_LINUX_CONFIG([QSNET],[],[
 259                         LB_LINUX_CONFIG([QSNET_MODULE],[],[
 260                                 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
 261                                 QSWLND=""
 262                                 QSWCPPFLAGS=""
 263                         ])
 264                 ])
 265         fi
 266 else
 267         AC_MSG_RESULT([no])
 268         QSWLND=""
 269         QSWCPPFLAGS=""
 270 fi
 271 AC_SUBST(QSWCPPFLAGS)
 272 AC_SUBST(QSWLND)
 273 ])
 274
 275
 276 #
 277 # LN_CONFIG_MX
 278 #
 279 AC_DEFUN([LN_CONFIG_MX],
 280 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
 281 # set default
 282 MXPATH="/opt/mx"
 283 AC_ARG_WITH([mx],
 284        AC_HELP_STRING([--with-mx=path],
 285                       [build mxlnd against path]),
 286        [
 287                case $with_mx in
 288                yes)    ENABLEMX=2
 289                        ;;
 290                no)     ENABLEMX=0
 291                        ;;
 292                *)      MXPATH=$with_mx
 293                        ENABLEMX=3
 294                        ;;
 295                esac
 296        ],[
 297                ENABLEMX=1
 298        ])
 299 if test $ENABLEMX -eq 0; then
 300        AC_MSG_RESULT([disabled])
 301 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
 302               -f ${MXPATH}/include/mx_kernel_api.h -a \
 303               -f ${MXPATH}/include/mx_pin.h \); then
 304        AC_MSG_RESULT([no])
 305        case $ENABLEMX in
 306        1) ;;
 307        2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
 308        3) AC_MSG_ERROR([bad --with-mx path]);;
 309        *) AC_MSG_ERROR([internal error]);;
 310        esac
 311 else
 312        MXCPPFLAGS="-I$MXPATH/include"
 313        EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 314        EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
 315        MXLIBS="-L$MXPATH/lib"
 316        LB_LINUX_TRY_COMPILE([
 317                #define MX_KERNEL 1
 318                #include <mx_extensions.h>
 319                #include <myriexpress.h>
 320        ],[
 321                mx_endpoint_t   end;
 322                mx_status_t     status;
 323                mx_request_t    request;
 324                int             result;
 325
 326                mx_init();
 327                mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
 328                mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
 329                mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
 330                mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
 331                return 0;
 332        ],[
 333                AC_MSG_RESULT([yes])
 334                MXLND="mxlnd"
 335        ],[
 336                AC_MSG_RESULT([no])
 337                case $ENABLEMX in
 338                1) ;;
 339                2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
 340                3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
 341                *) AC_MSG_ERROR([internal error]);;
 342                esac
 343                MXLND=""
 344                MXCPPFLAGS=""
 345        ])
 346        EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 347 fi
 348 AC_SUBST(MXCPPFLAGS)
 349 AC_SUBST(MXLIBS)
 350 AC_SUBST(MXLND)
 351 ])
 352
 353
 354
 355 #
 356 # LN_CONFIG_O2IB
 357 #
 358 AC_DEFUN([LN_CONFIG_O2IB],[
 359 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
 360 # set default
 361 AC_ARG_WITH([o2ib],
 362         AC_HELP_STRING([--with-o2ib=path],
 363                        [build o2iblnd against path]),
 364         [
 365                 case $with_o2ib in
 366                 yes)    O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 367                         ENABLEO2IB=2
 368                         ;;
 369                 no)     ENABLEO2IB=0
 370                         ;;
 371                 *)      O2IBPATHS=$with_o2ib
 372                         ENABLEO2IB=3
 373                         ;;
 374                 esac
 375         ],[
 376                 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 377                 ENABLEO2IB=1
 378         ])
 379 if test $ENABLEO2IB -eq 0; then
 380         AC_MSG_RESULT([disabled])
 381 else
 382         o2ib_found=false
 383         for O2IBPATH in $O2IBPATHS; do
 384                 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
 385                            -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
 386                            -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
 387                            -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
 388                         if test \( -d ${O2IBPATH}/kernel_patches -a \
 389                                    -f ${O2IBPATH}/Makefile \); then
 390                                 AC_MSG_RESULT([no])
 391                                 AC_MSG_ERROR([you appear to be trying to use the OFED distribution's source directory (${O2IBPATH}) rather than the "development/headers" directory which is likely in ${O2IBPATH%-*}])
 392                         fi
 393                         o2ib_found=true
 394                         break
 395                 fi
 396         done
 397         if ! $o2ib_found; then
 398                 AC_MSG_RESULT([no])
 399                 case $ENABLEO2IB in
 400                         1) ;;
 401                         2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
 402                         3) AC_MSG_ERROR([bad --with-o2ib path]);;
 403                         *) AC_MSG_ERROR([internal error]);;
 404                 esac
 405         else
 406                 O2IBCPPFLAGS="-I$O2IBPATH/include"
 407                 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 408                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
 409                 EXTRA_LNET_INCLUDE="$EXTRA_LNET_INCLUDE $O2IBCPPFLAGS"
 410
 411                 LB_LINUX_TRY_COMPILE([
 412                         #include <linux/version.h>
 413                         #include <linux/pci.h>
 414                         #if !HAVE_GFP_T
 415                         typedef int gfp_t;
 416                         #endif
 417                         #include <rdma/rdma_cm.h>
 418                         #include <rdma/ib_cm.h>
 419                         #include <rdma/ib_verbs.h>
 420                         #include <rdma/ib_fmr_pool.h>
 421                 ],[
 422                         struct rdma_cm_id          *cm_id;
 423                         struct rdma_conn_param      conn_param;
 424                         struct ib_device_attr       device_attr;
 425                         struct ib_qp_attr           qp_attr;
 426                         struct ib_pool_fmr          pool_fmr;
 427                         enum   ib_cm_rej_reason     rej_reason;
 428
 429                         cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
 430                         return PTR_ERR(cm_id);
 431                 ],[
 432                         AC_MSG_RESULT([yes])
 433                         O2IBLND="o2iblnd"
 434                 ],[
 435                         AC_MSG_RESULT([no])
 436                         case $ENABLEO2IB in
 437                         1) ;;
 438                         2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
 439                         3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
 440                         *) AC_MSG_ERROR([internal error]);;
 441                         esac
 442                         O2IBLND=""
 443                         O2IBCPPFLAGS=""
 444                 ])
 445                 # we know at this point that the found OFED source is good
 446                 O2IB_SYMVER=""
 447                 if test $ENABLEO2IB -eq 3 ; then
 448                         # OFED default rpm not handle sles10 Modules.symvers name
 449                         for name in Module.symvers Modules.symvers; do
 450                                 if test -f $O2IBPATH/$name; then
 451                                         O2IB_SYMVER=$name;
 452                                         break;
 453                                 fi
 454                         done
 455                         if test -n "$O2IB_SYMVER"; then
 456                                 AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to $PWD/$SYMVERFILE])
 457                                 # strip out the existing symbols versions first
 458                                 if test -f $PWD/$SYMVERFILE; then
 459                                 egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
 460                                 else
 461                                     touch $PWD/$SYMVERFILE.old
 462                                 fi
 463                                 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
 464                                 rm $PWD/$SYMVERFILE.old
 465                         else
 466                                 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
 467                         fi
 468                 fi
 469
 470                 LN_CONFIG_OFED_SPEC
 471                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 472         fi
 473 fi
 474
 475 AC_SUBST(EXTRA_LNET_INCLUDE)
 476 AC_SUBST(O2IBCPPFLAGS)
 477 AC_SUBST(O2IBLND)
 478 ])
 479
 480 #
 481 # LN_CONFIG_RALND
 482 #
 483 # check whether to use the RapidArray lnd
 484 #
 485 AC_DEFUN([LN_CONFIG_RALND],
 486 [#### Rapid Array
 487 AC_MSG_CHECKING([if RapidArray kernel headers are present])
 488 # placeholder
 489 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
 490 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 491 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
 492 LB_LINUX_TRY_COMPILE([
 493         #include <linux/types.h>
 494         #include <rapl.h>
 495 ],[
 496         RAP_RETURN          rc;
 497         RAP_PVOID           dev_handle;
 498
 499         rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
 500
 501         return rc == RAP_SUCCESS ? 0 : 1;
 502 ],[
 503         AC_MSG_RESULT([yes])
 504         RALND="ralnd"
 505 ],[
 506         AC_MSG_RESULT([no])
 507         RALND=""
 508         RACPPFLAGS=""
 509 ])
 510 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 511 AC_SUBST(RACPPFLAGS)
 512 AC_SUBST(RALND)
 513 ])
 514
 515
 516
 517 #
 518 #
 519 # LN_CONFIG_USERSPACE
 520 #
 521 # This is defined but empty because it is called from
 522 # build/autconf/lustre-build.m4 which is shared by all branches.
 523 #
 524 AC_DEFUN([LN_CONFIG_USERSPACE],
 525 [
 526 ])
 527
 528 # See if sysctl proc_handler wants only 5 arguments (since 2.6.32)
 529 AC_DEFUN([LN_5ARGS_SYSCTL_PROC_HANDLER],
 530 [AC_MSG_CHECKING([if sysctl proc_handler wants 5 args])
 531 LB_LINUX_TRY_COMPILE([
 532        #include <linux/sysctl.h>
 533 ],[
 534         struct ctl_table *table = NULL;
 535        int write = 1;
 536        void __user *buffer = NULL;
 537        size_t *lenp = NULL;
 538        loff_t *ppos = NULL;
 539
 540        proc_handler *proc_handler;
 541        proc_handler(table, write, buffer, lenp, ppos);
 542
 543 ],[
 544         AC_MSG_RESULT(yes)
 545         AC_DEFINE(HAVE_5ARGS_SYSCTL_PROC_HANDLER, 1,
 546                   [sysctl proc_handler wants 5 args])
 547 ],[
 548         AC_MSG_RESULT(no)
 549 ])
 550 ])
 551
 552 #
 553 # LN_PROG_LINUX
 554 #
 555 # LNet linux kernel checks
 556 #
 557 AC_DEFUN([LN_PROG_LINUX],
 558 [
 559 LN_FUNC_DEV_GET_BY_NAME_2ARG
 560 LN_CONFIG_AFFINITY
 561 LN_CONFIG_BACKOFF
 562 LN_CONFIG_QUADRICS
 563 LN_CONFIG_O2IB
 564 LN_CONFIG_RALND
 565 LN_CONFIG_PTLLND
 566 LN_CONFIG_MX
 567 # 2.6.32
 568 LN_5ARGS_SYSCTL_PROC_HANDLER
 569 ])
 570
 571 #
 572 # LN_PROG_DARWIN
 573 #
 574 # Darwin checks
 575 #
 576 AC_DEFUN([LN_PROG_DARWIN],
 577 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
 578 ])
 579
 580 #
 581 # LN_PATH_DEFAULTS
 582 #
 583 # default paths for installed files
 584 #
 585 AC_DEFUN([LN_PATH_DEFAULTS],
 586 [
 587 ])
 588
 589 #
 590 # LN_CONFIGURE
 591 #
 592 # other configure checks
 593 #
 594 AC_DEFUN([LN_CONFIGURE],
 595 [# lnet/utils/portals.c
 596 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
 597 AC_CHECK_FUNCS([gethostbyname socket connect])
 598
 599 # lnet/utils/debug.c
 600 AC_CHECK_HEADERS([linux/version.h])
 601
 602 AC_CHECK_TYPE([spinlock_t],
 603         [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
 604         [],
 605         [#include <linux/spinlock.h>])
 606
 607 # lnet/utils/wirecheck.c
 608 AC_CHECK_FUNCS([strnlen])
 609
 610 # --------  Check for required packages  --------------
 611
 612 #
 613 # LC_CONFIG_READLINE
 614 #
 615 # Build with readline
 616 #
 617 AC_MSG_CHECKING([whether to enable readline support])
 618 AC_ARG_ENABLE(readline,
 619         AC_HELP_STRING([--disable-readline],
 620                         [disable readline support]),
 621         [],[enable_readline='yes'])
 622 AC_MSG_RESULT([$enable_readline])
 623
 624 # -------- check for readline if enabled ----
 625 if test x$enable_readline = xyes ; then
 626         LIBS_save="$LIBS"
 627         LIBS="-lncurses $LIBS"
 628         AC_CHECK_LIB([readline],[readline],[
 629         LIBREADLINE="-lreadline -lncurses"
 630         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
 631         ],[
 632         LIBREADLINE=""
 633         ])
 634         LIBS="$LIBS_save"
 635 else
 636         LIBREADLINE=""
 637 fi
 638 AC_SUBST(LIBREADLINE)
 639
 640 # -------- enable acceptor libwrap (TCP wrappers) support? -------
 641 AC_MSG_CHECKING([if libwrap support is requested])
 642 AC_ARG_ENABLE([libwrap],
 643         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
 644         [case "${enableval}" in
 645                 yes) enable_libwrap=yes ;;
 646                 no) enable_libwrap=no ;;
 647                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
 648         esac],[enable_libwrap=no])
 649 AC_MSG_RESULT([$enable_libwrap])
 650 if test x$enable_libwrap = xyes ; then
 651         LIBWRAP="-lwrap"
 652         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
 653 else
 654         LIBWRAP=""
 655 fi
 656 AC_SUBST(LIBWRAP)
 657
 658 # ----------------------------------------
 659 # some tests for catamount-like systems
 660 # ----------------------------------------
 661 AC_ARG_ENABLE([sysio_init],
 662         AC_HELP_STRING([--disable-sysio-init],
 663                 [call sysio init functions when initializing liblustre]),
 664         [],[enable_sysio_init=yes])
 665 AC_MSG_CHECKING([whether to initialize libsysio])
 666 AC_MSG_RESULT([$enable_sysio_init])
 667 if test x$enable_sysio_init != xno ; then
 668         AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
 669 fi
 670
 671 AC_ARG_ENABLE([urandom],
 672         AC_HELP_STRING([--disable-urandom],
 673                 [disable use of /dev/urandom for liblustre]),
 674         [],[enable_urandom=yes])
 675 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
 676 AC_MSG_RESULT([$enable_urandom])
 677 if test x$enable_urandom != xno ; then
 678         AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
 679 fi
 680
 681 # -------- check for -lcap support ----
 682 if test x$enable_liblustre = xyes ; then
 683         AC_CHECK_LIB([cap], [cap_get_proc],
 684                 [
 685                         CAP_LIBS="-lcap"
 686                         AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
 687                 ],
 688                 [
 689                         CAP_LIBS=""
 690                 ])
 691         AC_SUBST(CAP_LIBS)
 692
 693 fi
 694
 695 LN_CONFIG_MAX_PAYLOAD
 696 LN_CONFIG_UPTLLND
 697 LN_CONFIG_USOCKLND
 698 ])
 699
 700 #
 701 # LN_CONDITIONALS
 702 #
 703 # AM_CONDITOINAL defines for lnet
 704 #
 705 AC_DEFUN([LN_CONDITIONALS],
 706 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
 707 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
 708 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
 709 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
 710 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
 711 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
 712 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
 713 ])
 714
 715 #
 716 # LN_CONFIG_FILES
 717 #
 718 # files that should be generated with AC_OUTPUT
 719 #
 720 AC_DEFUN([LN_CONFIG_FILES],
 721 [AC_CONFIG_FILES([
 722 lnet/Kernelenv
 723 lnet/Makefile
 724 lnet/autoMakefile
 725 lnet/autoconf/Makefile
 726 lnet/doc/Makefile
 727 lnet/include/Makefile
 728 lnet/include/lnet/Makefile
 729 lnet/include/lnet/linux/Makefile
 730 lnet/klnds/Makefile
 731 lnet/klnds/autoMakefile
 732 lnet/klnds/mxlnd/autoMakefile
 733 lnet/klnds/mxlnd/Makefile
 734 lnet/klnds/o2iblnd/Makefile
 735 lnet/klnds/o2iblnd/autoMakefile
 736 lnet/klnds/qswlnd/Makefile
 737 lnet/klnds/qswlnd/autoMakefile
 738 lnet/klnds/ralnd/Makefile
 739 lnet/klnds/ralnd/autoMakefile
 740 lnet/klnds/socklnd/Makefile
 741 lnet/klnds/socklnd/autoMakefile
 742 lnet/klnds/ptllnd/Makefile
 743 lnet/klnds/ptllnd/autoMakefile
 744 lnet/lnet/Makefile
 745 lnet/lnet/autoMakefile
 746 lnet/selftest/Makefile
 747 lnet/selftest/autoMakefile
 748 lnet/ulnds/Makefile
 749 lnet/ulnds/autoMakefile
 750 lnet/ulnds/socklnd/Makefile
 751 lnet/ulnds/ptllnd/Makefile
 752 lnet/utils/Makefile
 753 lnet/include/lnet/darwin/Makefile
 754 ])
 755 ])