build/autoconf/lustre-build.m4

   1 #
   2 # LB_CHECK_VERSION
   3 #
   4 # Verify that LUSTRE_VERSION was defined properly
   5 #
   6 AC_DEFUN([LB_CHECK_VERSION],
   7 [if test "LUSTRE_VERSION" = "LUSTRE""_VERSION" ; then
   8         AC_MSG_ERROR([This script was not built with a version number.])
   9 fi
  10 ])
  11
  12 #
  13 # LB_CANONICAL_SYSTEM
  14 #
  15 # fixup $target_os for use in other places
  16 #
  17 AC_DEFUN([LB_CANONICAL_SYSTEM],
  18 [case $target_os in
  19         linux*)
  20                 lb_target_os="linux"
  21                 ;;
  22         darwin*)
  23                 lb_target_os="darwin"
  24                 ;;
  25 esac
  26 AC_SUBST(lb_target_os)
  27 ])
  28
  29 #
  30 # LB_CHECK_FILE
  31 #
  32 # Check for file existance even when cross compiling
  33 #
  34 AC_DEFUN([LB_CHECK_FILE],
  35 [AS_VAR_PUSHDEF([lb_File], [lb_cv_file_$1])dnl
  36 AC_CACHE_CHECK([for $1], lb_File,
  37 [if test -r "$1"; then
  38   AS_VAR_SET(lb_File, yes)
  39 else
  40   AS_VAR_SET(lb_File, no)
  41 fi])
  42 AS_IF([test AS_VAR_GET(lb_File) = yes], [$2], [$3])[]dnl
  43 AS_VAR_POPDEF([lb_File])dnl
  44 ])# LB_CHECK_FILE
  45
  46 #
  47 # LB_CHECK_FILES
  48 #
  49 # LB_CHECK_FILE over multiple files
  50 #
  51 AC_DEFUN([LB_CHECK_FILES],
  52 [AC_FOREACH([AC_FILE_NAME], [$1],
  53   [LB_CHECK_FILE(AC_FILE_NAME,
  54                  [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]AC_FILE_NAME), 1,
  55                                     [Define to 1 if you have the
  56                                      file `]AC_File['.])
  57 $2],
  58                  [$3])])])
  59
  60 #
  61 # LB_ARG_LIBS_INCLUDES
  62 #
  63 # support for --with-foo, --with-foo-includes, and --with-foo-libs in
  64 # a single magical macro
  65 #
  66 AC_DEFUN([LB_ARG_LIBS_INCLUDES],
  67 [lb_pathvar="m4_bpatsubst([$2], -, _)"
  68 AC_MSG_CHECKING([for $1])
  69 AC_ARG_WITH([$2],
  70         AC_HELP_STRING([--with-$2=path],
  71                 [path to $1]),
  72         [],[withval=$4])
  73
  74 if test x$withval = xyes ; then
  75         eval "$lb_pathvar='$3'"
  76 else
  77         eval "$lb_pathvar='$withval'"
  78 fi
  79 AC_MSG_RESULT([${!lb_pathvar:-no}])
  80
  81 if test x${!lb_pathvar} != x -a x${!lb_pathvar} != xno ; then
  82         AC_MSG_CHECKING([for $1 includes])
  83         AC_ARG_WITH([$2-includes],
  84                 AC_HELP_STRING([--with-$2-includes=path],
  85                         [path to $1 includes]),
  86                 [],[withval='yes'])
  87
  88         lb_includevar="${lb_pathvar}_includes"
  89         if test x$withval = xyes ; then
  90                 eval "${lb_includevar}='${!lb_pathvar}/include'"
  91         else
  92                 eval "${lb_includevar}='$withval'"
  93         fi
  94         AC_MSG_RESULT([${!lb_includevar}])
  95
  96         AC_MSG_CHECKING([for $1 libs])
  97         AC_ARG_WITH([$2-libs],
  98                 AC_HELP_STRING([--with-$2-libs=path],
  99                         [path to $1 libs]),
 100                 [],[withval='yes'])
 101
 102         lb_libvar="${lb_pathvar}_libs"
 103         if test x$withval = xyes ; then
 104                 eval "${lb_libvar}='${!lb_pathvar}/lib'"
 105         else
 106                 eval "${lb_libvar}='$withval'"
 107         fi
 108         AC_MSG_RESULT([${!lb_libvar}])
 109 fi
 110 ])
 111 ])
 112
 113 #
 114 # LB_PATH_LIBSYSIO
 115 #
 116 # Handle internal/external libsysio
 117 #
 118 AC_DEFUN([LB_PATH_LIBSYSIO],
 119 [AC_ARG_WITH([sysio],
 120         AC_HELP_STRING([--with-sysio=path],
 121                         [set path to libsysio source (default is included libsysio)]),
 122         [],[
 123                 case $lb_target_os in
 124                         linux)
 125                                 with_sysio='yes'
 126                                 ;;
 127                         *)
 128                                 with_sysio='no'
 129                                 ;;
 130                 esac
 131         ])
 132 AC_MSG_CHECKING([location of libsysio])
 133 enable_sysio="$with_sysio"
 134 case x$with_sysio in
 135         xyes)
 136                 AC_MSG_RESULT([internal])
 137                 LB_CHECK_FILE([$srcdir/libsysio/src/rmdir.c],[],[
 138                         AC_MSG_ERROR([A complete internal libsysio was not found.])
 139                 ])
 140                 LIBSYSIO_SUBDIR="libsysio"
 141                 SYSIO="$PWD/libsysio"
 142                 ;;
 143         xno)
 144                 AC_MSG_RESULT([disabled])
 145                 ;;
 146         *)
 147                 AC_MSG_RESULT([$with_sysio])
 148                 LB_CHECK_FILE([$with_sysio/lib/libsysio.a],[],[
 149                         AC_MSG_ERROR([A complete (built) external libsysio was not found.])
 150                 ])
 151                 SYSIO=$with_sysio
 152                 with_sysio="yes"
 153                 ;;
 154 esac
 155
 156 # We have to configure even if we don't build here for make dist to work
 157 AC_CONFIG_SUBDIRS(libsysio)
 158 ])
 159
 160 #
 161 # LB_PATH_LDISKFS
 162 #
 163 # Handle internal/external ldiskfs
 164 #
 165 AC_DEFUN([LB_PATH_LDISKFS],
 166 [AC_ARG_WITH([ldiskfs],
 167         AC_HELP_STRING([--with-ldiskfs=path],
 168                         [set path to ldiskfs source (default is included ldiskfs)]),
 169         [],[
 170                 if test x$linux25$enable_server = xyesyes ; then
 171                         with_ldiskfs=yes
 172                 else
 173                         with_ldiskfs=no
 174                 fi
 175         ])
 176 AC_MSG_CHECKING([location of ldiskfs])
 177 case x$with_ldiskfs in
 178         xyes)
 179                 AC_MSG_RESULT([internal])
 180                 LB_CHECK_FILE([$srcdir/ldiskfs/lustre-ldiskfs.spec.in],[],[
 181                         AC_MSG_ERROR([A complete internal ldiskfs was not found.])
 182                 ])
 183                 LDISKFS_SUBDIR="ldiskfs"
 184                 LDISKFS_DIR="$PWD/ldiskfs"
 185                 ;;
 186         xno)
 187                 AC_MSG_RESULT([disabled])
 188                 ;;
 189         *)
 190                 AC_MSG_RESULT([$with_ldiskfs])
 191                 LB_CHECK_FILE([$with_ldiskfs/ldiskfs/linux/ldiskfs_fs.h],[],[
 192                         AC_MSG_ERROR([A complete (built) external ldiskfs was not found.])
 193                 ])
 194                 LDISKFS_DIR=$with_ldiskfs
 195                 ;;
 196 esac
 197 AC_SUBST(LDISKFS_DIR)
 198 AC_SUBST(LDISKFS_SUBDIR)
 199
 200 # We have to configure even if we don't build here for make dist to work
 201 AC_CONFIG_SUBDIRS(ldiskfs)
 202 ])
 203
 204 #
 205 # LB_DEFINE_LDISKFS_OPTIONS
 206 #
 207 # Enable config options related to ldiskfs.  These are used both by ldiskfs
 208 # and lvfs (which includes ldiskfs headers.)
 209 #
 210 AC_DEFUN([LB_DEFINE_LDISKFS_OPTIONS],
 211 [
 212         AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
 213         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
 214         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls for ldiskfs])
 215         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security for ldiskfs])
 216 ])
 217
 218 #
 219 # LB_CONFIG_CRAY_XT3
 220 #
 221 # Enable Cray XT3 features
 222 #
 223 AC_DEFUN([LB_CONFIG_CRAY_XT3],
 224 [AC_MSG_CHECKING([whether to build Cray XT3 features])
 225 AC_ARG_ENABLE([cray_xt3],
 226         AC_HELP_STRING([--enable-cray-xt3],
 227                         [enable building of Cray XT3 features]),
 228         [enable_cray_xt3='yes'],[enable_cray_xt3='no'])
 229 AC_MSG_RESULT([$enable_cray_xt3])
 230 if test x$enable_cray_xt3 != xno; then
 231         AC_DEFINE(CRAY_XT3, 1, Enable Cray XT3 Features)
 232 fi
 233 ])
 234
 235 #
 236 # LB_CONFIG_BGL
 237 #
 238 # Enable BGL features
 239 #
 240 AC_DEFUN([LB_CONFIG_BGL],
 241 [AC_MSG_CHECKING([whether to build BGL features])
 242 AC_ARG_ENABLE([bgl],
 243         AC_HELP_STRING([--enable-bgl],
 244                         [enable building of BGL features]),
 245         [enable_bgl='yes'],[enable_bgl='no'])
 246 AC_MSG_RESULT([$enable_bgl])
 247 if test x$enable_bgl != xno; then
 248         AC_DEFINE(BGL_SUPPORT, 1, Enable BGL Features)
 249         enable_doc='no'
 250         enable_tests='no'
 251         enable_server='no'
 252         enable_liblustre='no'
 253         enable_libreadline='no'
 254 fi
 255 ])
 256
 257 #
 258 # LB_PATH_SNMP
 259 #
 260 # check for in-tree snmp support
 261 #
 262 AC_DEFUN([LB_PATH_SNMP],
 263 [LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c],[SNMP_DIST_SUBDIR="snmp"])
 264 AC_SUBST(SNMP_DIST_SUBDIR)
 265 AC_SUBST(SNMP_SUBDIR)
 266 ])
 267
 268 #
 269 # LB_CONFIG_MODULES
 270 #
 271 # Build kernel modules?
 272 #
 273 AC_DEFUN([LB_CONFIG_MODULES],
 274 [AC_MSG_CHECKING([whether to build kernel modules])
 275 AC_ARG_ENABLE([modules],
 276         AC_HELP_STRING([--disable-modules],
 277                         [disable building of Lustre kernel modules]),
 278         [],[
 279                 LC_TARGET_SUPPORTED([
 280                         enable_modules='yes'
 281                 ],[
 282                         enable_modules='no'
 283                 ])
 284         ])
 285 AC_MSG_RESULT([$enable_modules ($target_os)])
 286
 287 if test x$enable_modules = xyes ; then
 288         case $target_os in
 289                 linux*)
 290                         LB_PROG_LINUX
 291                         LN_PROG_LINUX
 292                         LC_PROG_LINUX
 293                         ;;
 294                 darwin*)
 295                         LB_PROG_DARWIN
 296                         ;;
 297                 *)
 298                         # This is strange - Lustre supports a target we don't
 299                         AC_MSG_ERROR([Modules are not supported on $target_os])
 300                         ;;
 301         esac
 302 fi
 303 ])
 304
 305 #
 306 # LB_CONFIG_UTILS
 307 #
 308 # Build utils?
 309 #
 310 AC_DEFUN([LB_CONFIG_UTILS],
 311 [AC_MSG_CHECKING([whether to build utilities])
 312 AC_ARG_ENABLE([utils],
 313         AC_HELP_STRING([--disable-utils],
 314                         [disable building of Lustre utility programs]),
 315         [],[enable_utils='yes'])
 316 AC_MSG_RESULT([$enable_utils])
 317 if test x$enable_utils = xyes ; then
 318         LB_CONFIG_INIT_SCRIPTS
 319 fi
 320 ])
 321
 322 #
 323 # LB_CONFIG_TESTS
 324 #
 325 # Build tests?
 326 #
 327 AC_DEFUN([LB_CONFIG_TESTS],
 328 [AC_MSG_CHECKING([whether to build Lustre tests])
 329 AC_ARG_ENABLE([tests],
 330         AC_HELP_STRING([--disable-tests],
 331                         [disable building of Lustre tests]),
 332         [],
 333         [
 334                 enable_tests='yes'
 335         ])
 336 AC_MSG_RESULT([$enable_tests])
 337 ])
 338
 339 #
 340 # LB_CONFIG_DOCS
 341 #
 342 # Build docs?
 343 #
 344 AC_DEFUN([LB_CONFIG_DOCS],
 345 [AC_MSG_CHECKING([whether to build docs])
 346 AC_ARG_ENABLE(doc,
 347         AC_HELP_STRING([--disable-doc],
 348                         [skip creation of pdf documentation]),
 349         [
 350                 if test x$enable_doc = xyes ; then
 351                     ENABLE_DOC=1
 352                 else
 353                     ENABLE_DOC=0
 354                 fi
 355         ],[
 356                 ENABLE_DOC=0
 357                 enable_doc='no'
 358         ])
 359 AC_MSG_RESULT([$enable_doc])
 360 AC_SUBST(ENABLE_DOC)
 361 ])
 362
 363 #
 364 # LB_CONFIG_INIT_SCRIPTS
 365 #
 366 # our init scripts only work on red hat linux
 367 #
 368 AC_DEFUN([LB_CONFIG_INIT_SCRIPTS],
 369 [ENABLE_INIT_SCRIPTS=0
 370 if test x$enable_utils = xyes ; then
 371         AC_MSG_CHECKING([whether to install init scripts])
 372         # our scripts only work on red hat systems
 373         if test -f /etc/init.d/functions -a -f /etc/sysconfig/network ; then
 374                 ENABLE_INIT_SCRIPTS=1
 375                 AC_MSG_RESULT([yes])
 376         else
 377                 AC_MSG_RESULT([no])
 378         fi
 379 fi
 380 AC_SUBST(ENABLE_INIT_SCRIPTS)
 381 ])
 382
 383 #
 384 # LB_CONFIG_HEADERS
 385 #
 386 # add -include config.h
 387 #
 388 AC_DEFUN([LB_CONFIG_HEADERS],
 389 [AC_CONFIG_HEADERS([config.h])
 390 CPPFLAGS="-include \$(top_builddir)/config.h $CPPFLAGS"
 391 EXTRA_KCFLAGS="-include $PWD/config.h $EXTRA_KCFLAGS"
 392 AC_SUBST(EXTRA_KCFLAGS)
 393 ])
 394
 395 #
 396 # LB_INCLUDE_RULES
 397 #
 398 # defines for including the toplevel Rules
 399 #
 400 AC_DEFUN([LB_INCLUDE_RULES],
 401 [INCLUDE_RULES="include $PWD/Rules"
 402 AC_SUBST(INCLUDE_RULES)
 403 ])
 404
 405 #
 406 # LB_PATH_DEFAULTS
 407 #
 408 # 'fixup' default paths
 409 #
 410 AC_DEFUN([LB_PATH_DEFAULTS],
 411 [# directories for binaries
 412 AC_PREFIX_DEFAULT([/usr])
 413
 414 sysconfdir='/etc'
 415 AC_SUBST(sysconfdir)
 416
 417 # Directories for documentation and demos.
 418 docdir='${datadir}/doc/$(PACKAGE)'
 419 AC_SUBST(docdir)
 420
 421 LN_PATH_DEFAULTS
 422 LC_PATH_DEFAULTS
 423
 424 ])
 425
 426 #
 427 # LB_PROG_CC
 428 #
 429 # checks on the C compiler
 430 #
 431 AC_DEFUN([LB_PROG_CC],
 432 [AC_PROG_RANLIB
 433 AC_MSG_CHECKING([for buggy compiler])
 434 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
 435 bad_cc() {
 436         AC_MSG_RESULT([buggy compiler found!])
 437         echo
 438         echo "   '$CC_VERSION'"
 439         echo "  has been known to generate bad code, "
 440         echo "  please get an updated compiler."
 441         AC_MSG_ERROR([sorry])
 442 }
 443 case "$CC_VERSION" in
 444         "gcc version 2.95"*)
 445                 bad_cc
 446                 ;;
 447         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
 448         # without "sub    $0xc,%esp" to protect the stack from being
 449         # stomped on by interrupts (bug 606)
 450         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
 451                 bad_cc
 452                 ;;
 453         # mandrake's similar sub 0xc compiler bug
 454         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
 455         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
 456                 bad_cc
 457                 ;;
 458         *)
 459                 AC_MSG_RESULT([no known problems])
 460                 ;;
 461 esac
 462
 463 # ---------  unsigned long long sane? -------
 464 AC_CHECK_SIZEOF(unsigned long long, 0)
 465 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
 466 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
 467 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
 468         AC_MSG_ERROR([** we assume that sizeof(long long) == 8.  Tell phil@clusterfs.com])
 469 fi
 470
 471 # FIXME
 472 AC_CHECK_DECL([__i386__], [], [
 473
 474 if test x$enable_bgl != xyes; then
 475 AC_MSG_CHECKING([if $CC accepts -m64])
 476 CC_save="$CC"
 477 CC="$CC -m64"
 478 AC_TRY_COMPILE([],[],[
 479         AC_MSG_RESULT([yes])
 480 ],[
 481         AC_MSG_RESULT([no])
 482         CC="$CC_save"
 483 ])
 484 fi
 485
 486 ])
 487
 488 CPPFLAGS="-I\$(top_builddir)/lnet/include -I\$(top_srcdir)/lnet/include -I\$(top_builddir)/lustre/include -I\$(top_srcdir)/lustre/include $CPPFLAGS"
 489
 490 LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
 491 AC_SUBST(LLCPPFLAGS)
 492
 493 LLCFLAGS="-g -Wall -fPIC"
 494 AC_SUBST(LLCFLAGS)
 495
 496 # everyone builds against lnet and lustre
 497 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/lnet/include -I$PWD/lustre/include"
 498 AC_SUBST(EXTRA_KCFLAGS)
 499 ])
 500
 501 #
 502 # LB_CONTITIONALS
 503 #
 504 # AM_CONDITIONAL instances for everything
 505 # (so that portals/lustre can disable some if needed)
 506 AC_DEFUN([LB_CONDITIONALS],
 507 [AM_CONDITIONAL(MODULES, test x$enable_modules = xyes)
 508 AM_CONDITIONAL(UTILS, test x$enable_utils = xyes)
 509 AM_CONDITIONAL(TESTS, test x$enable_tests = xyes)
 510 AM_CONDITIONAL(DOC, test x$ENABLE_DOC = x1)
 511 AM_CONDITIONAL(INIT_SCRIPTS, test x$ENABLE_INIT_SCRIPTS = "x1")
 512 AM_CONDITIONAL(LINUX, test x$lb_target_os = "xlinux")
 513 AM_CONDITIONAL(DARWIN, test x$lb_target_os = "xdarwin")
 514 AM_CONDITIONAL(CRAY_XT3, test x$enable_cray_xt3 = "xyes")
 515
 516 # this lets lustre cancel libsysio, per-branch or if liblustre is
 517 # disabled
 518 if test "x$LIBSYSIO_SUBDIR" = xlibsysio ; then
 519         if test "x$with_sysio" != xyes ; then
 520                 SYSIO=""
 521                 LIBSYSIO_SUBDIR=""
 522         fi
 523 fi
 524 AC_SUBST(LIBSYSIO_SUBDIR)
 525 AC_SUBST(SYSIO)
 526
 527 LB_LINUX_CONDITIONALS
 528 LB_DARWIN_CONDITIONALS
 529
 530 LN_CONDITIONALS
 531 LC_CONDITIONALS
 532 ])
 533
 534 #
 535 # LB_CONFIG_FILES
 536 #
 537 # build-specific config files
 538 #
 539 AC_DEFUN([LB_CONFIG_FILES],
 540 [
 541 AC_CONFIG_FILES(
 542 [Makefile
 543 autoMakefile
 544 ]
 545 [Rules:build/Rules.in]
 546 AC_PACKAGE_TARNAME[.spec]
 547 )
 548 ])
 549
 550 #
 551 # LB_CONFIGURE
 552 #
 553 # main configure steps
 554 #
 555 AC_DEFUN([LB_CONFIGURE],
 556 [LB_CANONICAL_SYSTEM
 557
 558 LB_INCLUDE_RULES
 559
 560 LB_CONFIG_CRAY_XT3
 561 LB_CONFIG_BGL
 562 LB_PATH_DEFAULTS
 563
 564 LB_PROG_CC
 565
 566 LB_CONFIG_DOCS
 567 LB_CONFIG_UTILS
 568 LB_CONFIG_TESTS
 569 LC_CONFIG_CLIENT_SERVER
 570
 571 # three macros for cmd3
 572 LC_CONFIG_SPLIT
 573 LC_CONFIG_LDISKFS
 574 LN_CONFIG_CDEBUG
 575
 576 LB_CONFIG_MODULES
 577
 578 LB_PATH_LIBSYSIO
 579 LB_PATH_SNMP
 580 LB_PATH_LDISKFS
 581
 582 LC_CONFIG_LIBLUSTRE
 583 LN_CONFIGURE
 584
 585 LC_CONFIGURE
 586
 587 if test "$SNMP_DIST_SUBDIR" ; then
 588         LS_CONFIGURE
 589 fi
 590
 591 LB_CONDITIONALS
 592 LB_CONFIG_HEADERS
 593
 594 LB_CONFIG_FILES
 595 LN_CONFIG_FILES
 596 LC_CONFIG_FILES
 597 if test "$SNMP_DIST_SUBDIR" ; then
 598         LS_CONFIG_FILES
 599 fi
 600
 601 AC_SUBST(ac_configure_args)
 602
 603 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.*'
 604 AC_SUBST(MOSTLYCLEANFILES)
 605
 606 AC_OUTPUT
 607
 608 cat <<_ACEOF
 609
 610 CC:            $CC
 611 LD:            $LD
 612 CPPFLAGS:      $CPPFLAGS
 613 LLCPPFLAGS:    $LLCPPFLAGS
 614 CFLAGS:        $CFLAGS
 615 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
 616 LLCFLAGS:      $LLCFLAGS
 617
 618 Type 'make' to build Lustre.
 619 _ACEOF
 620 ])