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 >= $PTL_MIN_CC_VERSION])
  41 fi
  42 ])
  43
  44 #
  45 # LN_CONFIG_CDEBUG
  46 #
  47 # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
  48 #
  49 AC_DEFUN([LN_CONFIG_CDEBUG],
  50 [
  51 AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
  52 AC_ARG_ENABLE([libcfs_cdebug],
  53         AC_HELP_STRING([--disable-libcfs-cdebug],
  54                         [disable libcfs CDEBUG, CWARN]),
  55         [],[enable_libcfs_cdebug='yes'])
  56 AC_MSG_RESULT([$enable_libcfs_cdebug])
  57 if test x$enable_libcfs_cdebug = xyes; then
  58    AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])
  59 else
  60    AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN])
  61 fi
  62
  63 AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
  64 AC_ARG_ENABLE([libcfs_trace],
  65         AC_HELP_STRING([--disable-libcfs-trace],
  66                         [disable libcfs ENTRY/EXIT]),
  67         [],[enable_libcfs_trace='yes'])
  68 AC_MSG_RESULT([$enable_libcfs_trace])
  69 if test x$enable_libcfs_trace = xyes; then
  70    AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
  71 else
  72    AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
  73 fi
  74
  75 AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
  76 AC_ARG_ENABLE([libcfs_assert],
  77         AC_HELP_STRING([--disable-libcfs-assert],
  78                         [disable libcfs LASSERT, LASSERTF]),
  79         [],[enable_libcfs_assert='yes'])
  80 AC_MSG_RESULT([$enable_libcfs_assert])
  81 if test x$enable_libcfs_assert = xyes; then
  82    AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])
  83 fi
  84 ])
  85
  86 #
  87 # LN_CONFIG_AFFINITY
  88 #
  89 # check if cpu affinity is available/wanted
  90 #
  91 AC_DEFUN([LN_CONFIG_AFFINITY],
  92 [AC_ARG_ENABLE([affinity],
  93         AC_HELP_STRING([--disable-affinity],
  94                        [disable process/irq affinity]),
  95         [],[enable_affinity='yes'])
  96
  97 AC_MSG_CHECKING([for CPU affinity support])
  98 if test x$enable_affinity = xno ; then
  99         AC_MSG_RESULT([no (by request)])
 100 else
 101         LB_LINUX_TRY_COMPILE([
 102                 #include <linux/sched.h>
 103         ],[
 104                 struct task_struct t;
 105                 #if HAVE_CPUMASK_T
 106                 cpumask_t     m;
 107                 #else
 108                 unsigned long m;
 109                 #endif
 110                 set_cpus_allowed(&t, m);
 111         ],[
 112                 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
 113                 AC_MSG_RESULT([yes])
 114         ],[
 115                 AC_MSG_RESULT([no (no kernel support)])
 116         ])
 117 fi
 118 ])
 119
 120 #
 121 # LN_CONFIG_PORTALS
 122 #
 123 # configure support for Portals
 124 #
 125 AC_DEFUN([LN_CONFIG_PORTALS],
 126 [AC_MSG_CHECKING([for portals])
 127 AC_ARG_WITH([portals],
 128         AC_HELP_STRING([--with-portals=path],
 129                        [set path to portals]),
 130         [
 131                 case $with_portals in
 132                         no)     ENABLEPORTALS=0
 133                                 ;;
 134                         *)      PORTALS="${with_portals}"
 135                                 ENABLEPORTALS=1
 136                                 ;;
 137                 esac
 138         ], [
 139                 ENABLEPORTALS=0
 140         ])
 141 PTLLNDCPPFLAGS=""
 142 if test $ENABLEPORTALS -eq 0; then
 143         AC_MSG_RESULT([no])
 144 elif test ! \( -f ${PORTALS}/include/portals/p30.h \); then
 145         AC_MSG_RESULT([no])
 146         AC_MSG_ERROR([bad --with-portals path])
 147 else
 148         AC_MSG_RESULT([$PORTALS])
 149         PTLLNDCPPFLAGS="-I${PORTALS}/include"
 150 fi
 151 AC_SUBST(PTLLNDCPPFLAGS)
 152 ])
 153
 154 #
 155 # LN_CONFIG_BACKOFF
 156 #
 157 # check if tunable tcp backoff is available/wanted
 158 #
 159 AC_DEFUN([LN_CONFIG_BACKOFF],
 160 [AC_MSG_CHECKING([for tunable backoff TCP support])
 161 AC_ARG_ENABLE([backoff],
 162        AC_HELP_STRING([--disable-backoff],
 163                       [disable socknal tunable backoff]),
 164        [],[enable_backoff='yes'])
 165 if test x$enable_backoff = xno ; then
 166        AC_MSG_RESULT([no (by request)])
 167 else
 168        BOCD="`grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h`"
 169        if test "$BOCD" != 0 ; then
 170                AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
 171                AC_MSG_RESULT(yes)
 172                if grep rto_max $LINUX/include/linux/tcp.h|grep -q __u16; then
 173                    AC_DEFINE(SOCKNAL_BACKOFF_MS, 1, [tunable backoff TCP in ms])
 174                fi
 175        else
 176                AC_MSG_RESULT([no (no kernel support)])
 177        fi
 178 fi
 179 ])
 180
 181 #
 182 # LN_CONFIG_PANIC_DUMPLOG
 183 #
 184 # check if tunable panic_dumplog is wanted
 185 #
 186 AC_DEFUN([LN_CONFIG_PANIC_DUMPLOG],
 187 [AC_MSG_CHECKING([for tunable panic_dumplog support])
 188 AC_ARG_ENABLE([panic_dumplog],
 189        AC_HELP_STRING([--enable-panic_dumplog],
 190                       [enable panic_dumplog]),
 191        [],[enable_panic_dumplog='no'])
 192 if test x$enable_panic_dumplog = xyes ; then
 193        AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])
 194        AC_MSG_RESULT([yes (by request)])
 195 else
 196        AC_MSG_RESULT([no])
 197 fi
 198 ])
 199
 200 #
 201 # LN_CONFIG_PTLLND
 202 #
 203 # configure support for Portals LND
 204 #
 205 AC_DEFUN([LN_CONFIG_PTLLND],
 206 [
 207 if test -z "$ENABLEPORTALS"; then
 208         LN_CONFIG_PORTALS
 209 fi
 210
 211 AC_MSG_CHECKING([whether to build the kernel portals LND])
 212
 213 PTLLND=""
 214 if test $ENABLEPORTALS -ne 0; then
 215         AC_MSG_RESULT([yes])
 216         PTLLND="ptllnd"
 217 else
 218         AC_MSG_RESULT([no])
 219 fi
 220 AC_SUBST(PTLLND)
 221 ])
 222
 223 #
 224 # LN_CONFIG_UPTLLND
 225 #
 226 # configure support for Portals LND
 227 #
 228 AC_DEFUN([LN_CONFIG_UPTLLND],
 229 [
 230 if test -z "$ENABLEPORTALS"; then
 231         LN_CONFIG_PORTALS
 232 fi
 233
 234 AC_MSG_CHECKING([whether to build the userspace portals LND])
 235
 236 UPTLLND=""
 237 if test $ENABLEPORTALS -ne 0; then
 238         AC_MSG_RESULT([yes])
 239         UPTLLND="ptllnd"
 240 else
 241         AC_MSG_RESULT([no])
 242 fi
 243 AC_SUBST(UPTLLND)
 244 ])
 245
 246 #
 247 # LN_CONFIG_USOCKLND
 248 #
 249 # configure support for userspace TCP/IP LND
 250 #
 251 AC_DEFUN([LN_CONFIG_USOCKLND],
 252 [AC_MSG_CHECKING([whether to build usocklnd])
 253 AC_ARG_ENABLE([usocklnd],
 254         AC_HELP_STRING([--disable-usocklnd],
 255                         [disable usocklnd]),
 256         [],[enable_usocklnd='yes'])
 257
 258 if test x$enable_usocklnd = xyes ; then
 259         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
 260                 AC_MSG_RESULT([yes])
 261                 USOCKLND="usocklnd"
 262         else
 263                 AC_MSG_RESULT([no (libpthread not present or disabled)])
 264                 USOCKLND=""
 265         fi
 266 else
 267         AC_MSG_RESULT([no (disabled explicitly)])
 268         USOCKLND=""
 269 fi
 270 AC_SUBST(USOCKLND)
 271 ])
 272
 273 #
 274 # LN_CONFIG_QUADRICS
 275 #
 276 # check if quadrics support is in this kernel
 277 #
 278 AC_DEFUN([LN_CONFIG_QUADRICS],
 279 [AC_MSG_CHECKING([for QsNet sources])
 280 AC_ARG_WITH([qsnet],
 281         AC_HELP_STRING([--with-qsnet=path],
 282                        [set path to qsnet source (default=$LINUX)]),
 283         [QSNET=$with_qsnet],
 284         [QSNET=$LINUX])
 285 AC_MSG_RESULT([$QSNET])
 286
 287 AC_MSG_CHECKING([if quadrics kernel headers are present])
 288 if test -d $QSNET/drivers/net/qsnet ; then
 289         AC_MSG_RESULT([yes])
 290         QSWLND="qswlnd"
 291         AC_MSG_CHECKING([for multirail EKC])
 292         if test -f $QSNET/include/elan/epcomms.h; then
 293                 AC_MSG_RESULT([supported])
 294                 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
 295         else
 296                 AC_MSG_RESULT([not supported])
 297                 AC_MSG_ERROR([Need multirail EKC])
 298         fi
 299
 300         if test x$QSNET = x$LINUX ; then
 301                 LB_LINUX_CONFIG([QSNET],[],[
 302                         LB_LINUX_CONFIG([QSNET_MODULE],[],[
 303                                 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
 304                                 QSWLND=""
 305                                 QSWCPPFLAGS=""
 306                         ])
 307                 ])
 308         fi
 309 else
 310         AC_MSG_RESULT([no])
 311         QSWLND=""
 312         QSWCPPFLAGS=""
 313 fi
 314 AC_SUBST(QSWCPPFLAGS)
 315 AC_SUBST(QSWLND)
 316 ])
 317
 318 #
 319 # LN_CONFIG_GM
 320 #
 321 # check if GM support is available
 322 #
 323 AC_DEFUN([LN_CONFIG_GM],[
 324 AC_MSG_CHECKING([whether to enable GM support])
 325 AC_ARG_WITH([gm],
 326         AC_HELP_STRING([--with-gm=path-to-gm-source-tree],
 327                        [build gmlnd against path]),
 328         [
 329                 case $with_gm in
 330                 no)    ENABLE_GM=0
 331                        ;;
 332                 *)     ENABLE_GM=1
 333                        GM_SRC="$with_gm"
 334                        ;;
 335                 esac
 336         ],[
 337                 ENABLE_GM=0
 338         ])
 339 AC_ARG_WITH([gm-install],
 340         AC_HELP_STRING([--with-gm-install=path-to-gm-install-tree],
 341                        [say where GM has been installed]),
 342         [
 343                 GM_INSTALL=$with_gm_install
 344         ],[
 345                 GM_INSTALL="/opt/gm"
 346         ])
 347 if test $ENABLE_GM -eq 0; then
 348         AC_MSG_RESULT([no])
 349 else
 350         AC_MSG_RESULT([yes])
 351
 352         GMLND="gmlnd"
 353         GMCPPFLAGS="-I$GM_SRC/include -I$GM_SRC/drivers -I$GM_SRC/drivers/linux/gm"
 354
 355         if test -f $GM_INSTALL/lib/libgm.a -o \
 356                 -f $GM_INSTALL/lib64/libgm.a; then
 357                 GMLIBS="-L$GM_INSTALL/lib -L$GM_INSTALL/lib64"
 358         else
 359                 AC_MSG_ERROR([Cant find GM libraries under $GM_INSTALL])
 360         fi
 361
 362         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 363         EXTRA_KCFLAGS="$GMCPPFLAGS -DGM_KERNEL $EXTRA_KCFLAGS"
 364
 365         AC_MSG_CHECKING([that code using GM compiles with given path])
 366         LB_LINUX_TRY_COMPILE([
 367                 #define GM_STRONG_TYPES 1
 368                 #ifdef VERSION
 369                 #undef VERSION
 370                 #endif
 371                 #include "gm.h"
 372                 #include "gm_internal.h"
 373         ],[
 374                 struct gm_port *port = NULL;
 375                 gm_recv_event_t *rxevent = gm_blocking_receive_no_spin(port);
 376                 return 0;
 377         ],[
 378                 AC_MSG_RESULT([yes])
 379         ],[
 380                 AC_MSG_RESULT([no])
 381                 AC_MSG_ERROR([Bad --with-gm path])
 382         ])
 383
 384         AC_MSG_CHECKING([that GM has gm_register_memory_ex_phys()])
 385         LB_LINUX_TRY_COMPILE([
 386                 #define GM_STRONG_TYPES 1
 387                 #ifdef VERSION
 388                 #undef VERSION
 389                 #endif
 390                 #include "gm.h"
 391                 #include "gm_internal.h"
 392         ],[
 393                 gm_status_t     gmrc;
 394                 struct gm_port *port = NULL;
 395                 gm_u64_t        phys = 0;
 396                 gm_up_t         pvma = 0;
 397
 398                 gmrc = gm_register_memory_ex_phys(port, phys, 100, pvma);
 399                 return 0;
 400         ],[
 401                 AC_MSG_RESULT([yes])
 402         ],[
 403                 AC_MSG_RESULT([no.
 404 Please patch the GM sources as follows...
 405     cd $GM_SRC
 406     patch -p0 < $PWD/lnet/klnds/gmlnd/gm-reg-phys.patch
 407 ...then rebuild and re-install them])
 408                 AC_MSG_ERROR([Can't build GM without gm_register_memory_ex_phys()])
 409         ])
 410
 411         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 412 fi
 413 AC_SUBST(GMCPPFLAGS)
 414 AC_SUBST(GMLIBS)
 415 AC_SUBST(GMLND)
 416 ])
 417
 418
 419 #
 420 # LN_CONFIG_MX
 421 #
 422 AC_DEFUN([LN_CONFIG_MX],
 423 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
 424 # set default
 425 MXPATH="/opt/mx"
 426 AC_ARG_WITH([mx],
 427        AC_HELP_STRING([--with-mx=path],
 428                       [build mxlnd against path]),
 429        [
 430                case $with_mx in
 431                yes)    ENABLEMX=2
 432                        ;;
 433                no)     ENABLEMX=0
 434                        ;;
 435                *)      MXPATH=$with_mx
 436                        ENABLEMX=3
 437                        ;;
 438                esac
 439        ],[
 440                ENABLEMX=1
 441        ])
 442 if test $ENABLEMX -eq 0; then
 443        AC_MSG_RESULT([disabled])
 444 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
 445               -f ${MXPATH}/include/mx_kernel_api.h -a \
 446               -f ${MXPATH}/include/mx_pin.h \); then
 447        AC_MSG_RESULT([no])
 448        case $ENABLEMX in
 449        1) ;;
 450        2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
 451        3) AC_MSG_ERROR([bad --with-mx path]);;
 452        *) AC_MSG_ERROR([internal error]);;
 453        esac
 454 else
 455        MXCPPFLAGS="-I$MXPATH/include"
 456        EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 457        EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
 458        MXLIBS="-L$MXPATH/lib"
 459        LB_LINUX_TRY_COMPILE([
 460                #define MX_KERNEL 1
 461                #include <mx_extensions.h>
 462                #include <myriexpress.h>
 463        ],[
 464                mx_endpoint_t   end;
 465                mx_status_t     status;
 466                mx_request_t    request;
 467                int             result;
 468
 469                mx_init();
 470                mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
 471                mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
 472                mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
 473                mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
 474                return 0;
 475        ],[
 476                AC_MSG_RESULT([yes])
 477                MXLND="mxlnd"
 478        ],[
 479                AC_MSG_RESULT([no])
 480                case $ENABLEMX in
 481                1) ;;
 482                2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
 483                3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
 484                *) AC_MSG_ERROR([internal error]);;
 485                esac
 486                MXLND=""
 487                MXCPPFLAGS=""
 488        ])
 489        EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 490 fi
 491 AC_SUBST(MXCPPFLAGS)
 492 AC_SUBST(MXLIBS)
 493 AC_SUBST(MXLND)
 494 ])
 495
 496
 497
 498 #
 499 # LN_CONFIG_O2IB
 500 #
 501 AC_DEFUN([LN_CONFIG_O2IB],[
 502 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
 503 # set default
 504 AC_ARG_WITH([o2ib],
 505         AC_HELP_STRING([--with-o2ib=path],
 506                        [build o2iblnd against path]),
 507         [
 508                 case $with_o2ib in
 509                 yes)    O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 510                         ENABLEO2IB=2
 511                         ;;
 512                 no)     ENABLEO2IB=0
 513                         ;;
 514                 *)      O2IBPATHS=$with_o2ib
 515                         ENABLEO2IB=3
 516                         ;;
 517                 esac
 518         ],[
 519                 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 520                 ENABLEO2IB=1
 521         ])
 522 if test $ENABLEO2IB -eq 0; then
 523         AC_MSG_RESULT([disabled])
 524 else
 525         o2ib_found=false
 526
 527         for O2IBPATH in $O2IBPATHS; do
 528                 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
 529                            -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
 530                            -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
 531                            -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
 532                         if test \( -d ${O2IBPATH}/kernel_patches -a \
 533                                    -f ${O2IBPATH}/Makefile \); then
 534                                 AC_MSG_RESULT([no])
 535                                 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%-*}])
 536                         fi
 537                         o2ib_found=true
 538                         break
 539                 fi
 540         done
 541
 542         if ! $o2ib_found; then
 543                 AC_MSG_RESULT([no])
 544                 case $ENABLEO2IB in
 545                         1) ;;
 546                         2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
 547                         3) AC_MSG_ERROR([bad --with-o2ib path]);;
 548                         *) AC_MSG_ERROR([internal error]);;
 549                 esac
 550         else
 551                 O2IBCPPFLAGS="-I$O2IBPATH/include"
 552                 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 553                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
 554                 EXTRA_LNET_INCLUDE="$EXTRA_LNET_INCLUDE $O2IBCPPFLAGS"
 555
 556                 LB_LINUX_TRY_COMPILE([
 557                         #include <linux/version.h>
 558                         #include <linux/pci.h>
 559                         #if !HAVE_GFP_T
 560                         typedef int gfp_t;
 561                         #endif
 562                         #include <rdma/rdma_cm.h>
 563                         #include <rdma/ib_cm.h>
 564                         #include <rdma/ib_verbs.h>
 565                         #include <rdma/ib_fmr_pool.h>
 566                 ],[
 567                         struct rdma_cm_id          *cm_id;
 568                         struct rdma_conn_param      conn_param;
 569                         struct ib_device_attr       device_attr;
 570                         struct ib_qp_attr           qp_attr;
 571                         struct ib_pool_fmr          pool_fmr;
 572                         enum   ib_cm_rej_reason     rej_reason;
 573
 574                         cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
 575                         return PTR_ERR(cm_id);
 576                 ],[
 577                         AC_MSG_RESULT([yes])
 578                         O2IBLND="o2iblnd"
 579                 ],[
 580                         AC_MSG_RESULT([no])
 581                         case $ENABLEO2IB in
 582                         1) ;;
 583                         2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
 584                         3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
 585                         *) AC_MSG_ERROR([internal error]);;
 586                         esac
 587                         O2IBLND=""
 588                         O2IBCPPFLAGS=""
 589                 ])
 590                 # we know at this point that the found OFED source is good
 591                 O2IB_SYMVER=""
 592                 if test $ENABLEO2IB -eq 3 ; then
 593                         # OFED default rpm not handle sles10 Modules.symvers name
 594                         for name in Module.symvers Modules.symvers; do
 595                                 if test -f $O2IBPATH/$name; then
 596                                         O2IB_SYMVER=$name;
 597                                         break;
 598                                 fi
 599                         done
 600                         if test -n "$O2IB_SYMVER"; then
 601                                 AC_MSG_NOTICE([adding $O2IBPATH/Module.symvers to $PWD/$SYMVERFILE])
 602                                 # strip out the existing symbols versions first
 603                                 if test -f $PWD/$SYMVERFILE; then
 604                                     egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
 605                                 else
 606                                     touch $PWD/$SYMVERFILE.old
 607                                 fi
 608                                 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
 609                                 rm $PWD/$SYMVERFILE.old
 610                         else
 611                                 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
 612                         fi
 613                 fi
 614
 615                 LN_CONFIG_OFED_SPEC
 616                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 617         fi
 618 fi
 619
 620 AC_SUBST(EXTRA_LNET_INCLUDE)
 621 AC_SUBST(O2IBCPPFLAGS)
 622 AC_SUBST(O2IBLND)
 623 ])
 624
 625 #
 626 # LN_CONFIG_OPENIB
 627 #
 628 # check for OpenIB in the kernel
 629 AC_DEFUN([LN_CONFIG_OPENIB],[
 630 AC_MSG_CHECKING([whether to enable OpenIB support])
 631 # set default
 632 OPENIBPATH="$LINUX/drivers/infiniband"
 633 AC_ARG_WITH([openib],
 634         AC_HELP_STRING([--with-openib=path],
 635                        [build openiblnd against path]),
 636         [
 637                 case $with_openib in
 638                 yes)    ENABLEOPENIB=2
 639                         ;;
 640                 no)     ENABLEOPENIB=0
 641                         ;;
 642                 *)      OPENIBPATH="$with_openib"
 643                         ENABLEOPENIB=3
 644                         ;;
 645                 esac
 646         ],[
 647                 ENABLEOPENIB=1
 648         ])
 649 if test $ENABLEOPENIB -eq 0; then
 650         AC_MSG_RESULT([disabled])
 651 elif test ! \( -f ${OPENIBPATH}/include/ts_ib_core.h -a \
 652                -f ${OPENIBPATH}/include/ts_ib_cm.h -a \
 653                -f ${OPENIBPATH}/include/ts_ib_sa_client.h \); then
 654         AC_MSG_RESULT([no])
 655         case $ENABLEOPENIB in
 656         1) ;;
 657         2) AC_MSG_ERROR([kernel OpenIB headers not present]);;
 658         3) AC_MSG_ERROR([bad --with-openib path]);;
 659         *) AC_MSG_ERROR([internal error]);;
 660         esac
 661 else
 662         case $ENABLEOPENIB in
 663         1|2) OPENIBCPPFLAGS="-I$OPENIBPATH/include -DIN_TREE_BUILD";;
 664         3)   OPENIBCPPFLAGS="-I$OPENIBPATH/include";;
 665         *)   AC_MSG_RESULT([no])
 666              AC_MSG_ERROR([internal error]);;
 667         esac
 668         OPENIBCPPFLAGS="$OPENIBCPPFLAGS -DIB_NTXRXPARAMS=4"
 669         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 670         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
 671         LB_LINUX_TRY_COMPILE([
 672                 #include <ts_ib_core.h>
 673                 #include <ts_ib_cm.h>
 674                 #include <ts_ib_sa_client.h>
 675         ],[
 676                 struct ib_device_properties dev_props;
 677                 struct ib_cm_active_param   cm_active_params;
 678                 tTS_IB_CLIENT_QUERY_TID     tid;
 679                 int                         enum1 = IB_QP_ATTRIBUTE_STATE;
 680                 int                         enum2 = IB_ACCESS_LOCAL_WRITE;
 681                 int                         enum3 = IB_CQ_CALLBACK_INTERRUPT;
 682                 int                         enum4 = IB_CQ_PROVIDER_REARM;
 683                 return 0;
 684         ],[
 685                 AC_MSG_RESULT([yes])
 686                 OPENIBLND="openiblnd"
 687         ],[
 688                 AC_MSG_RESULT([no])
 689                 case $ENABLEOPENIB in
 690                 1) ;;
 691                 2) AC_MSG_ERROR([can't compile with kernel OpenIB headers]);;
 692                 3) AC_MSG_ERROR([can't compile with OpenIB headers under $OPENIBPATH]);;
 693                 *) AC_MSG_ERROR([internal error]);;
 694                 esac
 695                 OPENIBLND=""
 696                 OPENIBCPPFLAGS=""
 697         ])
 698         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 699 fi
 700 AC_SUBST(OPENIBCPPFLAGS)
 701 AC_SUBST(OPENIBLND)
 702 ])
 703
 704 #
 705 # LN_CONFIG_CIBLND
 706 #
 707 AC_DEFUN([LN_CONFIG_CIB],[
 708 AC_MSG_CHECKING([whether to enable Cisco/TopSpin IB support])
 709 # set default
 710 CIBPATH=""
 711 CIBLND=""
 712 AC_ARG_WITH([cib],
 713         AC_HELP_STRING([--with-cib=path],
 714                        [build ciblnd against path]),
 715         [
 716                 case $with_cib in
 717                 no)     AC_MSG_RESULT([no]);;
 718                 *)      CIBPATH="$with_cib"
 719                         if test -d "$CIBPATH"; then
 720                                 AC_MSG_RESULT([yes])
 721                         else
 722                                 AC_MSG_RESULT([no])
 723                                 AC_MSG_ERROR([No directory $CIBPATH])
 724                         fi;;
 725                 esac
 726         ],[
 727                 AC_MSG_RESULT([no])
 728         ])
 729 if test -n "$CIBPATH"; then
 730         CIBCPPFLAGS="-I${CIBPATH}/ib/ts_api_ng/include -I${CIBPATH}/all/kernel_services/include -DUSING_TSAPI"
 731         CIBCPPFLAGS="$CIBCPPFLAGS -DIB_NTXRXPARAMS=3"
 732         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 733         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $CIBCPPFLAGS"
 734         LB_LINUX_TRY_COMPILE([
 735                 #include <ts_ib_core.h>
 736                 #include <ts_ib_cm.h>
 737                 #include <ts_ib_sa_client.h>
 738         ],[
 739                 struct ib_device_properties dev_props;
 740                 struct ib_cm_active_param   cm_active_params;
 741                 tTS_IB_CLIENT_QUERY_TID     tid;
 742                 int                         enum1 = TS_IB_QP_ATTRIBUTE_STATE;
 743                 int                         enum2 = TS_IB_ACCESS_LOCAL_WRITE;
 744                 int                         enum3 = TS_IB_CQ_CALLBACK_INTERRUPT;
 745                 int                         enum4 = TS_IB_CQ_PROVIDER_REARM;
 746                 return 0;
 747         ],[
 748                 CIBLND="ciblnd"
 749         ],[
 750                 AC_MSG_ERROR([can't compile ciblnd with given path])
 751                 CIBCPPFLAGS=""
 752         ])
 753         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 754 fi
 755 AC_SUBST(CIBCPPFLAGS)
 756 AC_SUBST(CIBLND)
 757 ])
 758
 759 #
 760 # LN_CONFIG_IIB
 761 #
 762 # check for infinicon infiniband support
 763 #
 764 AC_DEFUN([LN_CONFIG_IIB],[
 765 AC_MSG_CHECKING([whether to enable Infinicon support])
 766 # set default
 767 IIBPATH="/usr/include"
 768 AC_ARG_WITH([iib],
 769         AC_HELP_STRING([--with-iib=path],
 770                        [build iiblnd against path]),
 771         [
 772                 case $with_iib in
 773                 yes)    ENABLEIIB=2
 774                         ;;
 775                 no)     ENABLEIIB=0
 776                         ;;
 777                 *)      IIBPATH="${with_iib}/include"
 778                         ENABLEIIB=3
 779                         ;;
 780                 esac
 781         ],[
 782                 ENABLEIIB=1
 783         ])
 784 if test $ENABLEIIB -eq 0; then
 785         AC_MSG_RESULT([disabled])
 786 elif test ! \( -f ${IIBPATH}/linux/iba/ibt.h \); then
 787         AC_MSG_RESULT([no])
 788         case $ENABLEIIB in
 789         1) ;;
 790         2) AC_MSG_ERROR([default Infinicon headers not present]);;
 791         3) AC_MSG_ERROR([bad --with-iib path]);;
 792         *) AC_MSG_ERROR([internal error]);;
 793         esac
 794 else
 795         IIBCPPFLAGS="-I$IIBPATH"
 796         if test $IIBPATH != "/usr/include"; then
 797                 # we need /usr/include come what may
 798                 IIBCPPFLAGS="$IIBCPPFLAGS -I/usr/include"
 799         fi
 800         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 801         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
 802         LB_LINUX_TRY_COMPILE([
 803                 #include <linux/iba/ibt.h>
 804         ],[
 805                 IBT_INTERFACE_UNION interfaces;
 806                 FSTATUS             rc;
 807
 808                  rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
 809                                                &interfaces);
 810
 811                 return rc == FSUCCESS ? 0 : 1;
 812         ],[
 813                 AC_MSG_RESULT([yes])
 814                 IIBLND="iiblnd"
 815         ],[
 816                 AC_MSG_RESULT([no])
 817                 case $ENABLEIIB in
 818                 1) ;;
 819                 2) AC_MSG_ERROR([can't compile with default Infinicon headers]);;
 820                 3) AC_MSG_ERROR([can't compile with Infinicon headers under $IIBPATH]);;
 821                 *) AC_MSG_ERROR([internal error]);;
 822                 esac
 823                 IIBLND=""
 824                 IIBCPPFLAGS=""
 825         ])
 826         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 827 fi
 828 AC_SUBST(IIBCPPFLAGS)
 829 AC_SUBST(IIBLND)
 830 ])
 831
 832 #
 833 # LN_CONFIG_VIB
 834 #
 835 # check for Voltaire infiniband support
 836 #
 837 AC_DEFUN([LN_CONFIG_VIB],
 838 [AC_MSG_CHECKING([whether to enable Voltaire IB support])
 839 VIBPATH=""
 840 AC_ARG_WITH([vib],
 841         AC_HELP_STRING([--with-vib=path],
 842                        [build viblnd against path]),
 843         [
 844                 case $with_vib in
 845                 no)     AC_MSG_RESULT([no]);;
 846                 *)      VIBPATH="${with_vib}/src/nvigor/ib-code"
 847                         if test -d "$with_vib" -a -d "$VIBPATH"; then
 848                                 AC_MSG_RESULT([yes])
 849                         else
 850                                 AC_MSG_RESULT([no])
 851                                 AC_MSG_ERROR([No directory $VIBPATH])
 852                         fi;;
 853                 esac
 854         ],[
 855                 AC_MSG_RESULT([no])
 856         ])
 857 if test -z "$VIBPATH"; then
 858         VIBLND=""
 859 else
 860         VIBCPPFLAGS="-I${VIBPATH}/include -I${VIBPATH}/cm"
 861         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 862         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
 863         LB_LINUX_TRY_COMPILE([
 864                 #include <linux/list.h>
 865                 #include <asm/byteorder.h>
 866                 #ifdef __BIG_ENDIAN
 867                 # define CPU_BE 1
 868                 # define CPU_LE 0
 869                 #endif
 870                 #ifdef __LITTLE_ENDIAN
 871                 # define CPU_BE 0
 872                 # define CPU_LE 1
 873                 #endif
 874                 #include <vverbs.h>
 875                 #include <ib-cm.h>
 876                 #include <ibat.h>
 877         ],[
 878                 vv_hca_h_t       kib_hca;
 879                 vv_return_t      vvrc;
 880                 cm_cep_handle_t  cep;
 881                 ibat_arp_data_t  arp_data;
 882                 ibat_stat_t      ibatrc;
 883
 884                 vvrc = vv_hca_open("ANY_HCA", NULL, &kib_hca);
 885                 cep = cm_create_cep(cm_cep_transp_rc);
 886                 ibatrc = ibat_get_ib_data((uint32_t)0, (uint32_t)0,
 887                                           ibat_paths_primary, &arp_data,
 888                                           (ibat_get_ib_data_reply_fn_t)NULL,
 889                                           NULL, 0);
 890                 return 0;
 891         ],[
 892                 VIBLND="viblnd"
 893         ],[
 894                 AC_MSG_ERROR([can't compile viblnd with given path])
 895         ])
 896         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 897 fi
 898 if test -n "$VIBLND"; then
 899         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 900         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
 901         AC_MSG_CHECKING([if Voltaire still uses void * sg addresses])
 902         LB_LINUX_TRY_COMPILE([
 903                 #include <linux/list.h>
 904                 #include <asm/byteorder.h>
 905                 #ifdef __BIG_ENDIAN
 906                 # define CPU_BE 1
 907                 # define CPU_LE 0
 908                 #endif
 909                 #ifdef __LITTLE_ENDIAN
 910                 # define CPU_BE 0
 911                 # define CPU_LE 1
 912                 #endif
 913                 #include <vverbs.h>
 914                 #include <ib-cm.h>
 915                 #include <ibat.h>
 916         ],[
 917                 vv_scatgat_t  sg;
 918
 919                 return &sg.v_address[3] == NULL;
 920         ],[
 921                 AC_MSG_RESULT([yes])
 922                 VIBCPPFLAGS="$VIBCPPFLAGS -DIBNAL_VOIDSTAR_SGADDR=1"
 923         ],[
 924                 AC_MSG_RESULT([no])
 925         ])
 926         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 927 fi
 928 AC_SUBST(VIBCPPFLAGS)
 929 AC_SUBST(VIBLND)
 930 ])
 931
 932 #
 933 # LN_CONFIG_RALND
 934 #
 935 # check whether to use the RapidArray lnd
 936 #
 937 AC_DEFUN([LN_CONFIG_RALND],
 938 [#### Rapid Array
 939 AC_MSG_CHECKING([if RapidArray kernel headers are present])
 940 # placeholder
 941 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
 942 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 943 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
 944 LB_LINUX_TRY_COMPILE([
 945         #include <linux/types.h>
 946         #include <rapl.h>
 947 ],[
 948         RAP_RETURN          rc;
 949         RAP_PVOID           dev_handle;
 950
 951         rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
 952
 953         return rc == RAP_SUCCESS ? 0 : 1;
 954 ],[
 955         AC_MSG_RESULT([yes])
 956         RALND="ralnd"
 957 ],[
 958         AC_MSG_RESULT([no])
 959         RALND=""
 960         RACPPFLAGS=""
 961 ])
 962 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 963 AC_SUBST(RACPPFLAGS)
 964 AC_SUBST(RALND)
 965 ])
 966
 967 #
 968 # LN_STRUCT_PAGE_LIST
 969 #
 970 # 2.6.4 no longer has page->list
 971 #
 972 AC_DEFUN([LN_STRUCT_PAGE_LIST],
 973 [AC_MSG_CHECKING([if struct page has a list field])
 974 LB_LINUX_TRY_COMPILE([
 975         #include <linux/mm.h>
 976 ],[
 977         struct page page;
 978         &page.list;
 979 ],[
 980         AC_MSG_RESULT([yes])
 981         AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
 982 ],[
 983         AC_MSG_RESULT([no])
 984 ])
 985 ])
 986
 987 #
 988 # LN_STRUCT_SIGHAND
 989 #
 990 # red hat 2.4 adds sighand to struct task_struct
 991 #
 992 AC_DEFUN([LN_STRUCT_SIGHAND],
 993 [AC_MSG_CHECKING([if task_struct has a sighand field])
 994 LB_LINUX_TRY_COMPILE([
 995         #include <linux/sched.h>
 996 ],[
 997         struct task_struct p;
 998         p.sighand = NULL;
 999 ],[
1000         AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
1001         AC_MSG_RESULT([yes])
1002 ],[
1003         AC_MSG_RESULT([no])
1004 ])
1005 ])
1006
1007 #
1008 # LN_FUNC_CPU_ONLINE
1009 #
1010 # cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
1011 #
1012 AC_DEFUN([LN_FUNC_CPU_ONLINE],
1013 [AC_MSG_CHECKING([if kernel defines cpu_online()])
1014 LB_LINUX_TRY_COMPILE([
1015         #include <linux/sched.h>
1016 ],[
1017         cpu_online(0);
1018 ],[
1019         AC_MSG_RESULT([yes])
1020         AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
1021 ],[
1022         AC_MSG_RESULT([no])
1023 ])
1024 ])
1025
1026 #
1027 # LN_TYPE_GFP_T
1028 #
1029 # check if gfp_t is typedef-ed
1030 #
1031 AC_DEFUN([LN_TYPE_GFP_T],
1032 [AC_MSG_CHECKING([if kernel defines gfp_t])
1033 LB_LINUX_TRY_COMPILE([
1034         #include <linux/gfp.h>
1035 ],[
1036         return sizeof(gfp_t);
1037 ],[
1038         AC_MSG_RESULT([yes])
1039         AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found])
1040 ],[
1041         AC_MSG_RESULT([no])
1042 ])
1043 ])
1044
1045 #
1046 # LN_TYPE_CPUMASK_T
1047 #
1048 # same goes for cpumask_t
1049 #
1050 AC_DEFUN([LN_TYPE_CPUMASK_T],
1051 [AC_MSG_CHECKING([if kernel defines cpumask_t])
1052 LB_LINUX_TRY_COMPILE([
1053         #include <linux/sched.h>
1054 ],[
1055         return sizeof (cpumask_t);
1056 ],[
1057         AC_MSG_RESULT([yes])
1058         AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
1059 ],[
1060         AC_MSG_RESULT([no])
1061 ])
1062 ])
1063
1064 #
1065 # LN_FUNC_SHOW_TASK
1066 #
1067 # we export show_task(), but not all kernels have it (yet)
1068 # also check sched_show_task() in here, since 2.6.27.
1069 #
1070 AC_DEFUN([LN_FUNC_SHOW_TASK],
1071 [LB_CHECK_SYMBOL_EXPORT([show_task],
1072 [kernel/ksyms.c kernel/sched.c],[
1073 AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
1074 ],[
1075         LB_CHECK_SYMBOL_EXPORT([sched_show_task],
1076         [kernel/ksyms.c kernel/sched.c],[
1077         AC_DEFINE(HAVE_SCHED_SHOW_TASK, 1, [sched_show_task is exported])
1078         ],[])
1079 ])
1080 ])
1081
1082 # check kernel __u64 type
1083 AC_DEFUN([LN_KERN__U64_LONG_LONG],
1084 [AC_MSG_CHECKING([kernel __u64 is long long type])
1085 tmp_flags="$EXTRA_KCFLAGS"
1086 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Werror"
1087 LB_LINUX_TRY_COMPILE([
1088         #include <linux/types.h>
1089         #include <linux/stddef.h>
1090 ],[
1091         unsigned long long *data1;
1092         __u64 *data2 = NULL;
1093
1094         data1 = data2;
1095 ],[
1096         AC_MSG_RESULT([yes])
1097         AC_DEFINE(HAVE_KERN__U64_LONG_LONG, 1,
1098                   [kernel __u64 is long long type])
1099 ],[
1100         AC_MSG_RESULT([no])
1101 ])
1102 EXTRA_KCFLAGS="$tmp_flags"
1103 ])
1104
1105 # check userland __u64 type
1106 AC_DEFUN([LN_USER__U64_LONG_LONG],
1107 [AC_MSG_CHECKING([userspace __u64 is long long type])
1108 tmp_flags="$CFLAGS"
1109 CFLAGS="$CFLAGS -Werror"
1110 AC_COMPILE_IFELSE([
1111         #include <stdio.h>
1112         #include <linux/types.h>
1113         #include <linux/stddef.h>
1114         int main(void) {
1115                 unsigned long long *data1;
1116                 __u64 *data2 = NULL;
1117
1118                 data1 = data2;
1119                 return 0;
1120         }
1121 ],[
1122         AC_MSG_RESULT([yes])
1123         AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1,
1124                   [userspace __u64 is long long type])
1125 ],[
1126         AC_MSG_RESULT([no])
1127 ])
1128 CFLAGS="$tmp_flags"
1129 ])
1130
1131 # check userland size_t type
1132 AC_DEFUN([LN_SIZE_T_LONG],
1133 [AC_MSG_CHECKING([size_t is unsigned long type])
1134 tmp_flags="$CFLAGS"
1135 CFLAGS="$CFLAGS -Werror"
1136 AC_COMPILE_IFELSE([
1137         #include <stdio.h>
1138         #include <linux/types.h>
1139         #include <linux/stddef.h>
1140         int main(void) {
1141                 unsigned long *data1;
1142                 size_t *data2 = NULL;
1143
1144                 data1 = data2;
1145                 return 0;
1146         }
1147 ],[
1148         AC_MSG_RESULT([yes])
1149         AC_DEFINE(HAVE_SIZE_T_LONG, 1,
1150                   [size_t is long type])
1151 ],[
1152         AC_MSG_RESULT([no])
1153 ])
1154 CFLAGS="$tmp_flags"
1155 ])
1156
1157 AC_DEFUN([LN_SSIZE_T_LONG],
1158 [AC_MSG_CHECKING([ssize_t is signed long type])
1159 tmp_flags="$CFLAGS"
1160 CFLAGS="$CFLAGS -Werror"
1161 AC_COMPILE_IFELSE([
1162         #include <stdio.h>
1163         #include <linux/types.h>
1164         #include <linux/stddef.h>
1165         int main(void) {
1166                 long *data1;
1167                 ssize_t *data2 = NULL;
1168
1169                 data1 = data2;
1170                 return 0;
1171         }
1172 ],[
1173         AC_MSG_RESULT([yes])
1174         AC_DEFINE(HAVE_SSIZE_T_LONG, 1,
1175                   [ssize_t is long type])
1176 ],[
1177         AC_MSG_RESULT([no])
1178 ])
1179 CFLAGS="$tmp_flags"
1180 ])
1181
1182
1183 # check kernel __le16, __le32 types
1184 AC_DEFUN([LN_LE_TYPES],
1185 [AC_MSG_CHECKING([__le16 and __le32 types are defined])
1186 LB_LINUX_TRY_COMPILE([
1187         #include <linux/types.h>
1188 ],[
1189         __le16 a;
1190         __le32 b;
1191 ],[
1192         AC_MSG_RESULT([yes])
1193         AC_DEFINE(HAVE_LE_TYPES, 1,
1194                   [__le16 and __le32 types are defined])
1195 ],[
1196         AC_MSG_RESULT([no])
1197 ])
1198 ])
1199
1200
1201 # check if task_struct with rcu memeber
1202 AC_DEFUN([LN_TASK_RCU],
1203 [AC_MSG_CHECKING([if task_struct has a rcu field])
1204 LB_LINUX_TRY_COMPILE([
1205         #include <linux/sched.h>
1206 ],[
1207         struct task_struct tsk;
1208
1209         tsk.rcu.next = NULL;
1210 ],[
1211         AC_MSG_RESULT([yes])
1212         AC_DEFINE(HAVE_TASK_RCU, 1,
1213                   [task_struct has rcu field])
1214 ],[
1215         AC_MSG_RESULT([no])
1216 ])
1217 ])
1218
1219 # LN_TASKLIST_LOCK
1220 # 2.6.18 remove tasklist_lock export
1221 AC_DEFUN([LN_TASKLIST_LOCK],
1222 [LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
1223 [kernel/fork.c],[
1224 AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
1225          [tasklist_lock exported])
1226 ],[
1227 ])
1228 ])
1229
1230 # 2.6.19 API changes
1231 # kmem_cache_destroy(cachep) return void instead of
1232 # int
1233 AC_DEFUN([LN_KMEM_CACHE_DESTROY_INT],
1234 [AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
1235 LB_LINUX_TRY_COMPILE([
1236         #include <linux/slab.h>
1237 ],[
1238         int i = kmem_cache_destroy(NULL);
1239 ],[
1240         AC_MSG_RESULT(yes)
1241         AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
1242                 [kmem_cache_destroy(cachep) return int])
1243 ],[
1244         AC_MSG_RESULT(no)
1245 ])
1246 ])
1247
1248 # 2.6.19 API change
1249 #panic_notifier_list use atomic_notifier operations
1250 #
1251 AC_DEFUN([LN_ATOMIC_PANIC_NOTIFIER],
1252 [AC_MSG_CHECKING([panic_notifier_list is atomic])
1253 LB_LINUX_TRY_COMPILE([
1254         #include <linux/notifier.h>
1255         #include <linux/kernel.h>
1256 ],[
1257         struct atomic_notifier_head panic_notifier_list;
1258 ],[
1259         AC_MSG_RESULT(yes)
1260         AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1,
1261                 [panic_notifier_list is atomic_notifier_head])
1262 ],[
1263         AC_MSG_RESULT(no)
1264 ])
1265 ])
1266
1267 # 2.6.20 API change INIT_WORK use 2 args and not
1268 # store data inside
1269 AC_DEFUN([LN_3ARGS_INIT_WORK],
1270 [AC_MSG_CHECKING([check INIT_WORK want 3 args])
1271 LB_LINUX_TRY_COMPILE([
1272         #include <linux/workqueue.h>
1273 ],[
1274         struct work_struct work;
1275
1276         INIT_WORK(&work, NULL, NULL);
1277 ],[
1278         AC_MSG_RESULT(yes)
1279         AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
1280                   [INIT_WORK use 3 args and store data inside])
1281 ],[
1282         AC_MSG_RESULT(no)
1283 ])
1284 ])
1285
1286 # 2.6.21 api change. 'register_sysctl_table' use only one argument,
1287 # instead of more old which need two.
1288 AC_DEFUN([LN_2ARGS_REGISTER_SYSCTL],
1289 [AC_MSG_CHECKING([check register_sysctl_table want 2 args])
1290 LB_LINUX_TRY_COMPILE([
1291         #include <linux/sysctl.h>
1292 ],[
1293         return register_sysctl_table(NULL,0);
1294 ],[
1295         AC_MSG_RESULT(yes)
1296         AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
1297                   [register_sysctl_table want 2 args])
1298 ],[
1299         AC_MSG_RESULT(no)
1300 ])
1301 ])
1302
1303 # 2.6.21 marks kmem_cache_t deprecated and uses struct kmem_cache
1304 # instead
1305 AC_DEFUN([LN_KMEM_CACHE],
1306 [AC_MSG_CHECKING([check kernel has struct kmem_cache])
1307 tmp_flags="$EXTRA_KCFLAGS"
1308 EXTRA_KCFLAGS="-Werror"
1309 LB_LINUX_TRY_COMPILE([
1310         #include <linux/slab.h>
1311         typedef struct kmem_cache cache_t;
1312 ],[
1313         cache_t *cachep = NULL;
1314
1315         kmem_cache_alloc(cachep, 0);
1316 ],[
1317         AC_MSG_RESULT(yes)
1318         AC_DEFINE(HAVE_KMEM_CACHE, 1,
1319                   [kernel has struct kmem_cache])
1320 ],[
1321         AC_MSG_RESULT(no)
1322 ])
1323 EXTRA_KCFLAGS="$tmp_flags"
1324 ])
1325
1326 # 2.6.23 lost dtor argument
1327 AC_DEFUN([LN_KMEM_CACHE_CREATE_DTOR],
1328 [AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
1329 LB_LINUX_TRY_COMPILE([
1330         #include <linux/slab.h>
1331 ],[
1332         kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
1333 ],[
1334         AC_MSG_RESULT(yes)
1335         AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
1336                   [kmem_cache_create has dtor argument])
1337 ],[
1338         AC_MSG_RESULT(no)
1339 ])
1340 ])
1341
1342 #
1343 # LN_FUNC_DUMP_TRACE
1344 #
1345 # 2.6.23 exports dump_trace() so we can dump_stack() on any task
1346 # 2.6.24 has stacktrace_ops.address with "reliable" parameter
1347 #
1348 AC_DEFUN([LN_FUNC_DUMP_TRACE],
1349 [LB_CHECK_SYMBOL_EXPORT([dump_trace],
1350 [kernel/ksyms.c arch/${LINUX_ARCH%_64}/kernel/traps_64.c arch/x86/kernel/dumpstack_32.c arch/x86/kernel/dumpstack_64.c],[
1351         tmp_flags="$EXTRA_KCFLAGS"
1352         EXTRA_KCFLAGS="-Werror"
1353         AC_MSG_CHECKING([whether we can really use dump_trace])
1354         LB_LINUX_TRY_COMPILE([
1355                 struct task_struct;
1356                 struct pt_regs;
1357                 #include <asm/stacktrace.h>
1358         ],[
1359         ],[
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_DUMP_TRACE, 1, [dump_trace is exported])
1362         ],[
1363                 AC_MSG_RESULT(no)
1364         ],[
1365         ])
1366         AC_MSG_CHECKING([whether print_trace_address has reliable argument])
1367         LB_LINUX_TRY_COMPILE([
1368                 struct task_struct;
1369                 struct pt_regs;
1370                 void print_addr(void *data, unsigned long addr, int reliable);
1371                 #include <asm/stacktrace.h>
1372         ],[
1373                 struct stacktrace_ops ops;
1374
1375                 ops.address = print_addr;
1376         ],[
1377                 AC_MSG_RESULT(yes)
1378                 AC_DEFINE(HAVE_TRACE_ADDRESS_RELIABLE, 1,
1379                           [print_trace_address has reliable argument])
1380         ],[
1381                 AC_MSG_RESULT(no)
1382         ],[
1383         ])
1384 EXTRA_KCFLAGS="$tmp_flags"
1385 ])
1386 ])
1387
1388 # 2.6.24 request not use real numbers for ctl_name
1389 AC_DEFUN([LN_SYSCTL_UNNUMBERED],
1390 [AC_MSG_CHECKING([for CTL_UNNUMBERED])
1391 LB_LINUX_TRY_COMPILE([
1392         #include <linux/sysctl.h>
1393 ],[
1394         #ifndef CTL_UNNUMBERED
1395         #error CTL_UNNUMBERED not exist in kernel
1396         #endif
1397 ],[
1398         AC_MSG_RESULT(yes)
1399         AC_DEFINE(HAVE_SYSCTL_UNNUMBERED, 1,
1400                   [sysctl has CTL_UNNUMBERED])
1401 ],[
1402         AC_MSG_RESULT(no)
1403 ])
1404 ])
1405
1406 # 2.6.24 lost scatterlist->page
1407 AC_DEFUN([LN_SCATTERLIST_SETPAGE],
1408 [AC_MSG_CHECKING([for exist sg_set_page])
1409 LB_LINUX_TRY_COMPILE([
1410         #include <asm/types.h>
1411         #include <linux/scatterlist.h>
1412 ],[
1413         sg_set_page(NULL,NULL,0,0);
1414 ],[
1415         AC_MSG_RESULT(yes)
1416         AC_DEFINE(HAVE_SCATTERLIST_SETPAGE, 1,
1417                   [struct scatterlist has page member])
1418 ],[
1419         AC_MSG_RESULT(no)
1420 ])
1421 ])
1422
1423 # 2.6.26 use int instead of atomic for sem.count
1424 AC_DEFUN([LN_SEM_COUNT],
1425 [AC_MSG_CHECKING([atomic sem.count])
1426 LB_LINUX_TRY_COMPILE([
1427         #include <asm/semaphore.h>
1428 ],[
1429         struct semaphore s;
1430
1431         atomic_read(&s.count);
1432 ],[
1433         AC_MSG_RESULT(yes)
1434         AC_DEFINE(HAVE_SEM_COUNT_ATOMIC, 1,
1435                   [semaphore counter is atomic])
1436 ],[
1437         AC_MSG_RESULT(no)
1438 ])
1439 ])
1440
1441 # 2.6.27 have second argument to sock_map_fd
1442 AC_DEFUN([LN_SOCK_MAP_FD_2ARG],
1443 [AC_MSG_CHECKING([sock_map_fd have second argument])
1444 LB_LINUX_TRY_COMPILE([
1445         #include <linux/net.h>
1446 ],[
1447         sock_map_fd(NULL, 0);
1448 ],[
1449         AC_MSG_RESULT(yes)
1450         AC_DEFINE(HAVE_SOCK_MAP_FD_2ARG, 1,
1451                   [sock_map_fd have second argument])
1452 ],[
1453         AC_MSG_RESULT(no)
1454 ])
1455 ])
1456
1457 # since 2.6.27 have linux/cred.h defined current_* macro
1458 AC_DEFUN([LN_HAVE_LINUX_CRED_H],
1459 [LB_CHECK_FILE([$LINUX/include/linux/cred.h],[
1460         AC_DEFINE(HAVE_LINUX_CRED_H, 1,
1461                 [kernel has include/linux/cred.h])
1462 ],[
1463         AC_MSG_RESULT([no])
1464 ])
1465 ])
1466
1467 #
1468 #
1469 # LN_CONFIG_USERSPACE
1470 #
1471 #
1472 AC_DEFUN([LN_CONFIG_USERSPACE],
1473 [
1474 LN_USER__U64_LONG_LONG
1475 ])
1476
1477 #
1478 # LN_STRUCT_CRED_IN_TASK
1479 #
1480 # struct cred was introduced in 2.6.29 to streamline credentials in task struct
1481 #
1482 AC_DEFUN([LN_STRUCT_CRED_IN_TASK],
1483 [AC_MSG_CHECKING([if kernel has struct cred])
1484 LB_LINUX_TRY_COMPILE([
1485         #include <linux/sched.h>
1486 ],[
1487         struct task_struct *tsk = NULL;
1488         tsk->real_cred = NULL;
1489 ],[
1490         AC_MSG_RESULT([yes])
1491         AC_DEFINE(HAVE_STRUCT_CRED, 1, [struct cred found])
1492 ],[
1493         AC_MSG_RESULT([no])
1494 ])
1495 ])
1496
1497 #
1498 # LN_FUNC_UNSHARE_FS_STRUCT
1499 #
1500 # unshare_fs_struct was introduced in 2.6.30 to prevent others to directly
1501 # mess with copy_fs_struct
1502 #
1503 AC_DEFUN([LN_FUNC_UNSHARE_FS_STRUCT],
1504 [AC_MSG_CHECKING([if kernel defines unshare_fs_struct()])
1505 tmp_flags="$EXTRA_KCFLAGS"
1506 EXTRA_KCFLAGS="-Werror"
1507 LB_LINUX_TRY_COMPILE([
1508         #include <linux/sched.h>
1509         #include <linux/fs_struct.h>
1510 ],[
1511         unshare_fs_struct();
1512 ],[
1513         AC_MSG_RESULT([yes])
1514         AC_DEFINE(HAVE_UNSHARE_FS_STRUCT, 1, [unshare_fs_struct found])
1515 ],[
1516         AC_MSG_RESULT([no])
1517 ])
1518 EXTRA_KCFLAGS="$tmp_flags"
1519 ])
1520
1521 # See if sysctl proc_handler wants only 5 arguments (since 2.6.32)
1522 AC_DEFUN([LN_5ARGS_SYSCTL_PROC_HANDLER],
1523 [AC_MSG_CHECKING([if sysctl proc_handler wants 5 args])
1524 LB_LINUX_TRY_COMPILE([
1525         #include <linux/sysctl.h>
1526 ],[
1527         struct ctl_table *table = NULL;
1528         int write = 1;
1529         void __user *buffer = NULL;
1530         size_t *lenp = NULL;
1531         loff_t *ppos = NULL;
1532
1533         proc_handler *proc_handler;
1534         proc_handler(table, write, buffer, lenp, ppos);
1535
1536 ],[
1537         AC_MSG_RESULT(yes)
1538         AC_DEFINE(HAVE_5ARGS_SYSCTL_PROC_HANDLER, 1,
1539                   [sysctl proc_handler wants 5 args])
1540 ],[
1541         AC_MSG_RESULT(no)
1542 ])
1543 ])
1544
1545 #
1546 # LN_HAVE_IS_COMPAT_TASK
1547 #
1548 # Added in 2.6.17, it wasn't until 2.6.29 that all
1549 # Linux architectures have is_compat_task()
1550 #
1551 AC_DEFUN([LN_HAVE_IS_COMPAT_TASK],
1552 [AC_MSG_CHECKING([if is_compat_task() is declared])
1553 LB_LINUX_TRY_COMPILE([
1554         #include <linux/compat.h>
1555 ],[
1556         int i = is_compat_task();
1557 ],[
1558         AC_MSG_RESULT([yes])
1559         AC_DEFINE(HAVE_IS_COMPAT_TASK, 1, [is_compat_task() is available])
1560 ],[
1561         AC_MSG_RESULT([no])
1562 ])
1563 ])
1564
1565 #
1566 # LN_PROG_LINUX
1567 #
1568 # LNet linux kernel checks
1569 #
1570 AC_DEFUN([LN_PROG_LINUX],
1571 [
1572 LN_FUNC_CPU_ONLINE
1573 LN_TYPE_GFP_T
1574 LN_TYPE_CPUMASK_T
1575 LN_CONFIG_AFFINITY
1576 LN_CONFIG_BACKOFF
1577 LN_CONFIG_PANIC_DUMPLOG
1578 LN_CONFIG_QUADRICS
1579 LN_CONFIG_GM
1580 LN_CONFIG_OPENIB
1581 LN_CONFIG_CIB
1582 LN_CONFIG_VIB
1583 LN_CONFIG_IIB
1584 LN_CONFIG_O2IB
1585 LN_CONFIG_RALND
1586 LN_CONFIG_PTLLND
1587 LN_CONFIG_MX
1588
1589 LN_STRUCT_PAGE_LIST
1590 LN_STRUCT_SIGHAND
1591 LN_FUNC_SHOW_TASK
1592 LN_KERN__U64_LONG_LONG
1593 LN_SSIZE_T_LONG
1594 LN_SIZE_T_LONG
1595 LN_LE_TYPES
1596 LN_TASK_RCU
1597 # 2.6.18
1598 LN_TASKLIST_LOCK
1599 LN_HAVE_IS_COMPAT_TASK
1600 # 2.6.19
1601 LN_KMEM_CACHE_DESTROY_INT
1602 LN_ATOMIC_PANIC_NOTIFIER
1603 # 2.6.20
1604 LN_3ARGS_INIT_WORK
1605 # 2.6.21
1606 LN_2ARGS_REGISTER_SYSCTL
1607 LN_KMEM_CACHE
1608 # 2.6.23
1609 LN_KMEM_CACHE_CREATE_DTOR
1610 # 2.6.24
1611 LN_SYSCTL_UNNUMBERED
1612 LN_SCATTERLIST_SETPAGE
1613 # 2.6.26
1614 LN_SEM_COUNT
1615 # 2.6.27
1616 LN_SOCK_MAP_FD_2ARG
1617 LN_FUNC_DUMP_TRACE
1618 LN_HAVE_LINUX_CRED_H
1619 #2.6.29
1620 LN_STRUCT_CRED_IN_TASK
1621 # 2.6.30
1622 LN_FUNC_UNSHARE_FS_STRUCT
1623 # 2.6.32
1624 LN_5ARGS_SYSCTL_PROC_HANDLER
1625 ])
1626
1627 #
1628 # LN_PROG_DARWIN
1629 #
1630 # Darwin checks
1631 #
1632 AC_DEFUN([LN_PROG_DARWIN],
1633 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
1634 ])
1635
1636 #
1637 # LN_PATH_DEFAULTS
1638 #
1639 # default paths for installed files
1640 #
1641 AC_DEFUN([LN_PATH_DEFAULTS],
1642 [
1643 ])
1644
1645 #
1646 # LN_CONFIGURE
1647 #
1648 # other configure checks
1649 #
1650 AC_DEFUN([LN_CONFIGURE],
1651 [# lnet/utils/portals.c
1652 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
1653 AC_CHECK_FUNCS([gethostbyname socket connect])
1654
1655 # lnet/utils/debug.c
1656 AC_CHECK_HEADERS([linux/version.h])
1657
1658 AC_CHECK_TYPE([spinlock_t],
1659         [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
1660         [],
1661         [#include <linux/spinlock.h>])
1662
1663 # lnet/utils/wirecheck.c
1664 AC_CHECK_FUNCS([strnlen])
1665
1666 # --------  Check for required packages  --------------
1667
1668 #
1669 # LC_CONFIG_READLINE
1670 #
1671 # Build with readline
1672 #
1673 AC_MSG_CHECKING([whether to enable readline support])
1674 AC_ARG_ENABLE(readline,
1675         AC_HELP_STRING([--disable-readline],
1676                         [disable readline support]),
1677         [],[enable_readline='yes'])
1678 AC_MSG_RESULT([$enable_readline])
1679
1680 # -------- check for readline if enabled ----
1681 if test x$enable_readline = xyes ; then
1682         LIBS_save="$LIBS"
1683         LIBS="-lncurses $LIBS"
1684         AC_CHECK_LIB([readline],[readline],[
1685         LIBREADLINE="-lreadline -lncurses"
1686         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
1687         ],[
1688         LIBREADLINE=""
1689         ])
1690         LIBS="$LIBS_save"
1691 else
1692         LIBREADLINE=""
1693 fi
1694 AC_SUBST(LIBREADLINE)
1695
1696 AC_MSG_CHECKING([if efence debugging support is requested])
1697 AC_ARG_ENABLE(efence,
1698         AC_HELP_STRING([--enable-efence],
1699                         [use efence library]),
1700         [],[enable_efence='no'])
1701 AC_MSG_RESULT([$enable_efence])
1702 if test "$enable_efence" = "yes" ; then
1703         LIBEFENCE="-lefence"
1704         AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
1705 else
1706         LIBEFENCE=""
1707 fi
1708 AC_SUBST(LIBEFENCE)
1709
1710 # -------- enable acceptor libwrap (TCP wrappers) support? -------
1711 AC_MSG_CHECKING([if libwrap support is requested])
1712 AC_ARG_ENABLE([libwrap],
1713         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
1714         [case "${enableval}" in
1715                 yes) enable_libwrap=yes ;;
1716                 no) enable_libwrap=no ;;
1717                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
1718         esac],[enable_libwrap=no])
1719 AC_MSG_RESULT([$enable_libwrap])
1720 if test x$enable_libwrap = xyes ; then
1721         LIBWRAP="-lwrap"
1722         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
1723 else
1724         LIBWRAP=""
1725 fi
1726 AC_SUBST(LIBWRAP)
1727
1728 # -------- check for -lpthread support ----
1729 AC_MSG_CHECKING([whether to use libpthread for lnet library])
1730 AC_ARG_ENABLE([libpthread],
1731         AC_HELP_STRING([--disable-libpthread],
1732                 [disable libpthread]),
1733         [],[enable_libpthread=yes])
1734 if test "$enable_libpthread" = "yes" ; then
1735         AC_CHECK_LIB([pthread], [pthread_create],
1736                 [ENABLE_LIBPTHREAD="yes"],
1737                 [ENABLE_LIBPTHREAD="no"])
1738         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
1739                 AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
1740                 PTHREAD_LIBS="-lpthread"
1741                 AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
1742         else
1743                 PTHREAD_LIBS=""
1744                 AC_MSG_RESULT([no libpthread is found])
1745         fi
1746         AC_SUBST(PTHREAD_LIBS)
1747 else
1748         AC_MSG_RESULT([no (disabled explicitly)])
1749         ENABLE_LIBPTHREAD="no"
1750 fi
1751 AC_SUBST(ENABLE_LIBPTHREAD)
1752
1753 # ----------------------------------------
1754 # some tests for catamount-like systems
1755 # ----------------------------------------
1756 AC_ARG_ENABLE([sysio_init],
1757         AC_HELP_STRING([--disable-sysio-init],
1758                 [call sysio init functions when initializing liblustre]),
1759         [],[enable_sysio_init=yes])
1760 AC_MSG_CHECKING([whether to initialize libsysio])
1761 AC_MSG_RESULT([$enable_sysio_init])
1762 if test x$enable_sysio_init != xno ; then
1763         AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
1764 fi
1765
1766 AC_ARG_ENABLE([urandom],
1767         AC_HELP_STRING([--disable-urandom],
1768                 [disable use of /dev/urandom for liblustre]),
1769         [],[enable_urandom=yes])
1770 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
1771 AC_MSG_RESULT([$enable_urandom])
1772 if test x$enable_urandom != xno ; then
1773         AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
1774 fi
1775
1776 # -------- check for -lcap support ----
1777 if test x$enable_liblustre = xyes ; then
1778         AC_CHECK_LIB([cap], [cap_get_proc],
1779                 [
1780                         CAP_LIBS="-lcap"
1781                         AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
1782                 ],
1783                 [
1784                         CAP_LIBS=""
1785                 ])
1786         AC_SUBST(CAP_LIBS)
1787
1788 fi
1789
1790 LN_CONFIG_MAX_PAYLOAD
1791 LN_CONFIG_UPTLLND
1792 LN_CONFIG_USOCKLND
1793 ])
1794
1795 #
1796 # LN_CONDITIONALS
1797 #
1798 # AM_CONDITOINAL defines for lnet
1799 #
1800 AC_DEFUN([LN_CONDITIONALS],
1801 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
1802 AM_CONDITIONAL(BUILD_GMLND, test x$GMLND = "xgmlnd")
1803 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
1804 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
1805 AM_CONDITIONAL(BUILD_OPENIBLND, test x$OPENIBLND = "xopeniblnd")
1806 AM_CONDITIONAL(BUILD_CIBLND, test x$CIBLND = "xciblnd")
1807 AM_CONDITIONAL(BUILD_IIBLND, test x$IIBLND = "xiiblnd")
1808 AM_CONDITIONAL(BUILD_VIBLND, test x$VIBLND = "xviblnd")
1809 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
1810 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
1811 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
1812 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
1813 ])
1814
1815 #
1816 # LN_CONFIG_FILES
1817 #
1818 # files that should be generated with AC_OUTPUT
1819 #
1820 AC_DEFUN([LN_CONFIG_FILES],
1821 [AC_CONFIG_FILES([
1822 lnet/Kernelenv
1823 lnet/Makefile
1824 lnet/autoMakefile
1825 lnet/autoconf/Makefile
1826 lnet/doc/Makefile
1827 lnet/include/Makefile
1828 lnet/include/libcfs/Makefile
1829 lnet/include/libcfs/linux/Makefile
1830 lnet/include/lnet/Makefile
1831 lnet/include/lnet/linux/Makefile
1832 lnet/klnds/Makefile
1833 lnet/klnds/autoMakefile
1834 lnet/klnds/gmlnd/Makefile
1835 lnet/klnds/mxlnd/autoMakefile
1836 lnet/klnds/mxlnd/Makefile
1837 lnet/klnds/gmlnd/autoMakefile
1838 lnet/klnds/openiblnd/Makefile
1839 lnet/klnds/openiblnd/autoMakefile
1840 lnet/klnds/o2iblnd/Makefile
1841 lnet/klnds/o2iblnd/autoMakefile
1842 lnet/klnds/ciblnd/Makefile
1843 lnet/klnds/ciblnd/autoMakefile
1844 lnet/klnds/iiblnd/Makefile
1845 lnet/klnds/iiblnd/autoMakefile
1846 lnet/klnds/viblnd/Makefile
1847 lnet/klnds/viblnd/autoMakefile
1848 lnet/klnds/qswlnd/Makefile
1849 lnet/klnds/qswlnd/autoMakefile
1850 lnet/klnds/ralnd/Makefile
1851 lnet/klnds/ralnd/autoMakefile
1852 lnet/klnds/socklnd/Makefile
1853 lnet/klnds/socklnd/autoMakefile
1854 lnet/klnds/ptllnd/Makefile
1855 lnet/klnds/ptllnd/autoMakefile
1856 lnet/libcfs/Makefile
1857 lnet/libcfs/autoMakefile
1858 lnet/libcfs/linux/Makefile
1859 lnet/lnet/Makefile
1860 lnet/lnet/autoMakefile
1861 lnet/selftest/Makefile
1862 lnet/selftest/autoMakefile
1863 lnet/ulnds/Makefile
1864 lnet/ulnds/autoMakefile
1865 lnet/ulnds/socklnd/Makefile
1866 lnet/ulnds/ptllnd/Makefile
1867 lnet/utils/Makefile
1868 lnet/include/libcfs/darwin/Makefile
1869 lnet/include/lnet/darwin/Makefile
1870 lnet/libcfs/darwin/Makefile
1871 ])
1872 ])
1873
1874 #
1875 # LIBCFS stub macros. (These are defined in the libcfs module on HEAD))
1876 #
1877 AC_DEFUN([LIBCFS_PATH_DEFAULTS], [])
1878 AC_DEFUN([LIBCFS_PROG_LINUX], [])
1879 AC_DEFUN([LIBCFS_CONDITIONALS], [])
1880 AC_DEFUN([LIBCFS_CONFIGURE], [])
1881 AC_DEFUN([LIBCFS_CONFIG_FILES], [])