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
 157 # work
 158 AC_CONFIG_SUBDIRS(libsysio)
 159 ])
 160
 161 #
 162 # LB_CONFIG_CRAY_XT3
 163 #
 164 # Enable Cray XT3 features
 165 #
 166 AC_DEFUN([LB_CONFIG_CRAY_XT3],
 167 [AC_MSG_CHECKING([whether to build Cray XT3 features])
 168 AC_ARG_ENABLE([cray_xt3],
 169         AC_HELP_STRING([--enable-cray-xt3],
 170                         [enable building of Cray XT3 features]),
 171         [enable_cray_xt3='yes'],[enable_cray_xt3='no'])
 172 AC_MSG_RESULT([$enable_cray_xt3])
 173 if test x$enable_cray_xt3 != xno; then
 174         AC_DEFINE(CRAY_XT3, 1, Enable Cray XT3 Features)
 175 fi
 176 ])
 177
 178 #
 179 # LB_CONFIG_BGL
 180 #
 181 # Enable BGL features
 182 #
 183 AC_DEFUN([LB_CONFIG_BGL],
 184 [AC_MSG_CHECKING([whether to build BGL features])
 185 AC_ARG_ENABLE([bgl],
 186         AC_HELP_STRING([--enable-bgl],
 187                         [enable building of BGL features]),
 188         [enable_bgl='yes'],[enable_bgl='no'])
 189 AC_MSG_RESULT([$enable_bgl])
 190 if test x$enable_bgl != xno; then
 191         AC_DEFINE(BGL_SUPPORT, 1, Enable BGL Features)
 192         enable_doc='no'
 193         enable_tests='no'
 194         enable_server='no'
 195         enable_liblustre='no'
 196         enable_libreadline='no'
 197 fi
 198 ])
 199
 200 #
 201 # LB_PATH_SNMP
 202 #
 203 # check for in-tree snmp support
 204 #
 205 AC_DEFUN([LB_PATH_SNMP],
 206 [LB_CHECK_FILE([$srcdir/snmp/lustre-snmp.c],[SNMP_DIST_SUBDIR="snmp"])
 207 AC_SUBST(SNMP_DIST_SUBDIR)
 208 AC_SUBST(SNMP_SUBDIR)
 209 ])
 210
 211 #
 212 # LB_CONFIG_MODULES
 213 #
 214 # Build kernel modules?
 215 #
 216 AC_DEFUN([LB_CONFIG_MODULES],
 217 [AC_MSG_CHECKING([whether to build kernel modules])
 218 AC_ARG_ENABLE([modules],
 219         AC_HELP_STRING([--disable-modules],
 220                         [disable building of Lustre kernel modules]),
 221         [],[
 222                 LC_TARGET_SUPPORTED([
 223                         enable_modules='yes'
 224                 ],[
 225                         enable_modules='no'
 226                 ])
 227         ])
 228 AC_MSG_RESULT([$enable_modules ($target_os)])
 229
 230 if test x$enable_modules = xyes ; then
 231         case $target_os in
 232                 linux*)
 233                         LB_PROG_LINUX
 234                         ;;
 235                 darwin*)
 236                         LB_PROG_DARWIN
 237                         ;;
 238                 *)
 239                         # This is strange - Lustre supports a target we don't
 240                         AC_MSG_ERROR([Modules are not supported on $target_os])
 241                         ;;
 242         esac
 243 fi
 244 ])
 245
 246 #
 247 # LB_CONFIG_UTILS
 248 #
 249 # Build utils?
 250 #
 251 AC_DEFUN([LB_CONFIG_UTILS],
 252 [AC_MSG_CHECKING([whether to build utilities])
 253 AC_ARG_ENABLE([utils],
 254         AC_HELP_STRING([--disable-utils],
 255                         [disable building of Lustre utility programs]),
 256         [],[enable_utils='yes'])
 257 AC_MSG_RESULT([$enable_utils])
 258 if test x$enable_utils = xyes ; then
 259         LB_CONFIG_INIT_SCRIPTS
 260 fi
 261 ])
 262
 263 #
 264 # LB_CONFIG_TESTS
 265 #
 266 # Build tests?
 267 #
 268 AC_DEFUN([LB_CONFIG_TESTS],
 269 [AC_MSG_CHECKING([whether to build Lustre tests])
 270 AC_ARG_ENABLE([tests],
 271         AC_HELP_STRING([--disable-tests],
 272                         [disable building of Lustre tests]),
 273         [],
 274         [
 275                 enable_tests='yes'
 276         ])
 277 AC_MSG_RESULT([$enable_tests])
 278 ])
 279
 280 #
 281 # LB_CONFIG_DOCS
 282 #
 283 # Build docs?
 284 #
 285 AC_DEFUN([LB_CONFIG_DOCS],
 286 [AC_MSG_CHECKING([whether to build docs])
 287 AC_ARG_ENABLE(doc,
 288         AC_HELP_STRING([--disable-doc],
 289                         [skip creation of pdf documentation]),
 290         [
 291                 if test x$enable_doc = xyes ; then
 292                     ENABLE_DOC=1
 293                 else
 294                     ENABLE_DOC=0
 295                 fi
 296         ],[
 297                 ENABLE_DOC=0
 298                 enable_doc='no'
 299         ])
 300 AC_MSG_RESULT([$enable_doc])
 301 AC_SUBST(ENABLE_DOC)
 302 ])
 303
 304 #
 305 # LB_CONFIG_INIT_SCRIPTS
 306 #
 307 # our init scripts only work on red hat linux
 308 #
 309 AC_DEFUN([LB_CONFIG_INIT_SCRIPTS],
 310 [ENABLE_INIT_SCRIPTS=0
 311 if test x$enable_utils = xyes ; then
 312         AC_MSG_CHECKING([whether to install init scripts])
 313         # our scripts only work on red hat systems
 314         if test -f /etc/init.d/functions -a -f /etc/sysconfig/network ; then
 315                 ENABLE_INIT_SCRIPTS=1
 316                 AC_MSG_RESULT([yes])
 317         else
 318                 AC_MSG_RESULT([no])
 319         fi
 320 fi
 321 AC_SUBST(ENABLE_INIT_SCRIPTS)
 322 ])
 323
 324 #
 325 # LB_CONFIG_HEADERS
 326 #
 327 # add -include config.h
 328 #
 329 AC_DEFUN([LB_CONFIG_HEADERS],
 330 [AC_CONFIG_HEADERS([config.h])
 331 CPPFLAGS="-include \$(top_builddir)/config.h $CPPFLAGS"
 332 EXTRA_KCFLAGS="-include $PWD/config.h $EXTRA_KCFLAGS"
 333 AC_SUBST(EXTRA_KCFLAGS)
 334 ])
 335
 336 #
 337 # LB_INCLUDE_RULES
 338 #
 339 # defines for including the toplevel Rules
 340 #
 341 AC_DEFUN([LB_INCLUDE_RULES],
 342 [INCLUDE_RULES="include $PWD/build/Rules"
 343 AC_SUBST(INCLUDE_RULES)
 344 ])
 345
 346 #
 347 # LB_PATH_DEFAULTS
 348 #
 349 # 'fixup' default paths
 350 #
 351 AC_DEFUN([LB_PATH_DEFAULTS],
 352 [# directories for binaries
 353 AC_PREFIX_DEFAULT([/usr])
 354
 355 sysconfdir='/etc'
 356 AC_SUBST(sysconfdir)
 357
 358 # Directories for documentation and demos.
 359 docdir='${datadir}/doc/$(PACKAGE)'
 360 AC_SUBST(docdir)
 361
 362 LN_PATH_DEFAULTS
 363 LC_PATH_DEFAULTS
 364
 365 ])
 366
 367 #
 368 # LB_PROG_CC
 369 #
 370 # checks on the C compiler
 371 #
 372 AC_DEFUN([LB_PROG_CC],
 373 [AC_PROG_RANLIB
 374 AC_MSG_CHECKING([for buggy compiler])
 375 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
 376 bad_cc() {
 377         AC_MSG_RESULT([buggy compiler found!])
 378         echo
 379         echo "   '$CC_VERSION'"
 380         echo "  has been known to generate bad code, "
 381         echo "  please get an updated compiler."
 382         AC_MSG_ERROR([sorry])
 383 }
 384 case "$CC_VERSION" in
 385         "gcc version 2.95"*)
 386                 bad_cc
 387                 ;;
 388         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
 389         # without "sub    $0xc,%esp" to protect the stack from being
 390         # stomped on by interrupts (bug 606)
 391         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
 392                 bad_cc
 393                 ;;
 394         # mandrake's similar sub 0xc compiler bug
 395         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
 396         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
 397                 bad_cc
 398                 ;;
 399         *)
 400                 AC_MSG_RESULT([no known problems])
 401                 ;;
 402 esac
 403
 404 # ---------  unsigned long long sane? -------
 405 AC_CHECK_SIZEOF(unsigned long long, 0)
 406 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
 407 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
 408 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
 409         AC_MSG_ERROR([** we assume that sizeof(long long) == 8.  Tell phil@clusterfs.com])
 410 fi
 411
 412 # FIXME
 413 AC_CHECK_DECL([__i386__], [], [
 414
 415 if test x$enable_bgl != xyes; then
 416 AC_MSG_CHECKING([if $CC accepts -m64])
 417 CC_save="$CC"
 418 CC="$CC -m64"
 419 AC_TRY_COMPILE([],[],[
 420         AC_MSG_RESULT([yes])
 421 ],[
 422         AC_MSG_RESULT([no])
 423         CC="$CC_save"
 424 ])
 425 fi
 426
 427 ])
 428
 429 CPPFLAGS="-I\$(top_builddir)/lnet/include -I\$(top_srcdir)/lnet/include -I\$(top_builddir)/lustre/include -I\$(top_srcdir)/lustre/include $CPPFLAGS"
 430
 431 LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
 432 AC_SUBST(LLCPPFLAGS)
 433
 434 LLCFLAGS="-g -Wall -fPIC"
 435 AC_SUBST(LLCFLAGS)
 436
 437 # everyone builds against lnet and lustre
 438 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/lnet/include -I$PWD/lustre/include"
 439 AC_SUBST(EXTRA_KCFLAGS)
 440 ])
 441
 442 #
 443 # LB_CONTITIONALS
 444 #
 445 # AM_CONDITIONAL instances for everything
 446 # (so that portals/lustre can disable some if needed)
 447 AC_DEFUN([LB_CONDITIONALS],
 448 [AM_CONDITIONAL(MODULES, test x$enable_modules = xyes)
 449 AM_CONDITIONAL(UTILS, test x$enable_utils = xyes)
 450 AM_CONDITIONAL(TESTS, test x$enable_tests = xyes)
 451 AM_CONDITIONAL(DOC, test x$ENABLE_DOC = x1)
 452 AM_CONDITIONAL(INIT_SCRIPTS, test x$ENABLE_INIT_SCRIPTS = "x1")
 453 AM_CONDITIONAL(LINUX, test x$lb_target_os = "xlinux")
 454 AM_CONDITIONAL(DARWIN, test x$lb_target_os = "xdarwin")
 455
 456 # this lets lustre cancel libsysio, per-branch or if liblustre is
 457 # disabled
 458 if test "x$LIBSYSIO_SUBDIR" = xlibsysio ; then
 459         if test "x$with_sysio" != xyes ; then
 460                 SYSIO=""
 461                 LIBSYSIO_SUBDIR=""
 462         fi
 463 fi
 464 AC_SUBST(LIBSYSIO_SUBDIR)
 465 AC_SUBST(SYSIO)
 466
 467 LB_LINUX_CONDITIONALS
 468 LB_DARWIN_CONDITIONALS
 469
 470 LN_CONDITIONALS
 471 LC_CONDITIONALS
 472 ])
 473
 474 #
 475 # LB_CONFIGURE
 476 #
 477 # main configure steps
 478 #
 479 AC_DEFUN([LB_CONFIGURE],
 480 [LB_CANONICAL_SYSTEM
 481
 482 LB_INCLUDE_RULES
 483
 484 LB_CONFIG_CRAY_XT3
 485 LB_CONFIG_BGL
 486 LB_PATH_DEFAULTS
 487
 488 LB_PROG_CC
 489
 490 LB_PATH_LIBSYSIO
 491 LB_PATH_SNMP
 492
 493 LB_CONFIG_DOCS
 494 LB_CONFIG_UTILS
 495 LB_CONFIG_TESTS
 496 LC_CONFIG_CLIENT_SERVER
 497 #LC_CONFIG_SPLIT
 498 #LC_CONFIG_LDISKFS
 499
 500 LB_CONFIG_MODULES
 501
 502 LC_CONFIG_LIBLUSTRE
 503 LN_CONFIGURE
 504
 505 LC_CONFIGURE
 506
 507 if test "$SNMP_DIST_SUBDIR" ; then
 508         LS_CONFIGURE
 509 fi
 510
 511 LB_CONDITIONALS
 512 LB_CONFIG_HEADERS
 513
 514 AC_CONFIG_FILES(
 515 [Makefile:build/Makefile.in.toplevel]
 516 [autoMakefile
 517 build/autoMakefile
 518 build/autoconf/Makefile
 519 build/Rules
 520 build/lustre.spec
 521 ])
 522
 523 LN_CONFIG_FILES
 524 LC_CONFIG_FILES
 525 if test "$SNMP_DIST_SUBDIR" ; then
 526         LS_CONFIG_FILES
 527 fi
 528
 529 AC_SUBST(ac_configure_args)
 530
 531 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.*'
 532 AC_SUBST(MOSTLYCLEANFILES)
 533
 534 AC_OUTPUT
 535
 536 cat <<_ACEOF
 537
 538 CC:            $CC
 539 LD:            $LD
 540 CPPFLAGS:      $CPPFLAGS
 541 LLCPPFLAGS:    $LLCPPFLAGS
 542 CFLAGS:        $CFLAGS
 543 EXTRA_KCFLAGS: $EXTRA_KCFLAGS
 544 LLCFLAGS:      $LLCFLAGS
 545
 546 Type 'make' to build Lustre.
 547 _ACEOF
 548 ])