lnet/archdep.m4

   1
   2 # -------- in kernel compilation? (2.5 only) -------------
   3 AC_ARG_ENABLE(inkernel, [  --enable-inkernel set up 2.5 kernel makefiles])
   4 AM_CONDITIONAL(INKERNEL, test x$enable_inkernel = xyes)
   5 echo "Makefile for in kernel build: $INKERNEL"
   6
   7 # -------- are we building against an external portals? -------
   8 # haha, I wonder how one is really supposed to do this
   9 # automake seems to have a DEFS variable which looks good
  10 AC_ARG_WITH(cray-portals, [  --with-cray-portals=[path] path to cray portals],
  11         CRAY_PORTALS_INCLUDE="-I$with_cray_portals"
  12         CC="$CC -DCRAY_PORTALS=1"
  13         )
  14 AC_SUBST(CRAY_PORTALS_INCLUDE)
  15 AM_CONDITIONAL(CRAY_PORTALS, test ! "x$with_cray_portals" = x)
  16
  17 # -------- liblustre compilation --------------
  18 AC_ARG_WITH(lib, [  --with-lib compile lustre library], host_cpu="lib")
  19
  20 # -------- set linuxdir ------------
  21
  22 AC_ARG_WITH(linux, [  --with-linux=[path] set path to Linux source (default=/usr/src/linux)],LINUX=$with_linux,LINUX=/usr/src/linux)
  23 AC_SUBST(LINUX)
  24 if test x$enable_inkernel = xyes ; then
  25         echo ln -s `pwd` $LINUX/fs/lustre
  26         rm $LINUX/fs/lustre
  27         ln -s `pwd` $LINUX/fs/lustre
  28 fi
  29
  30 #  --------------------
  31 AC_MSG_CHECKING(if you are running user mode linux for $host_cpu ...)
  32 if test $host_cpu = "lib" ; then
  33         host_cpu="lib"
  34         AC_MSG_RESULT(no building Lustre library)
  35 else
  36   if test -e $LINUX/include/asm-um ; then
  37     if test  X`ls -id $LINUX/include/asm/ | awk '{print $1}'` = X`ls -id $LINUX/include/asm-um | awk '{print $1}'` ; then
  38         host_cpu="um";
  39         AC_MSG_RESULT(yes)
  40     else
  41         AC_MSG_RESULT(no (asm doesn't point at asm-um))
  42     fi
  43
  44   else
  45         AC_MSG_RESULT(no (asm-um missing))
  46   fi
  47 fi
  48
  49 # --------- Linux 25 ------------------
  50
  51 AC_MSG_CHECKING(if you are running linux 2.5)
  52 if test -e $LINUX/include/linux/namei.h ; then
  53         linux25="yes"
  54         AC_MSG_RESULT(yes)
  55 else
  56         linux25="no"
  57         AC_MSG_RESULT(no)
  58 fi
  59 AM_CONDITIONAL(LINUX25, test x$linux25 = xyes)
  60 echo "Makefiles for in linux 2.5 build: $LINUX25"
  61
  62 # -------  Makeflags ------------------
  63
  64 AC_MSG_CHECKING(setting make flags system architecture: )
  65 case ${host_cpu} in
  66         lib )
  67         AC_MSG_RESULT($host_cpu)
  68         KCFLAGS='-g -Wall '
  69         KCPPFLAGS='-D__arch_lib__ '
  70         libdir='${exec_prefix}/lib/lustre'
  71         MOD_LINK=elf_i386
  72 ;;
  73         um )
  74         AC_MSG_RESULT($host_cpu)
  75         KCFLAGS='-g -Wall -pipe -Wno-trigraphs -Wstrict-prototypes -fno-strict-aliasing -fno-common '
  76         case ${linux25} in
  77                 yes )
  78                 KCPPFLAGS='-D__KERNEL__ -U__i386__ -Ui386 -DUM_FASTCALL -D__arch_um__ -DSUBARCH="i386" -DNESTING=0 -D_LARGEFILE64_SOURCE  -Derrno=kernel_errno -DPATCHLEVEL=4 -DMODULE -I$(LINUX)/arch/um/include -I$(LINUX)/arch/um/kernel/tt/include -I$(LINUX)/arch/um/kernel/skas/include -O2 -nostdinc -iwithprefix include'
  79         ;;
  80                 * )
  81                 KCPPFLAGS='-D__KERNEL__ -U__i386__ -Ui386 -DUM_FASTCALL -D__arch_um__ -DSUBARCH="i386" -DNESTING=0 -D_LARGEFILE64_SOURCE  -Derrno=kernel_errno -DPATCHLEVEL=4 -DMODULE -I$(LINUX)/arch/um/kernel/tt/include -I$(LINUX)/arch/um/include '
  82         ;;
  83         esac
  84
  85         MOD_LINK=elf_i386
  86 ;;
  87         i*86 )
  88         AC_MSG_RESULT($host_cpu)
  89         KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -pipe'
  90         case ${linux25} in
  91                 yes )
  92                 KCPPFLAGS='-D__KERNEL__ -DMODULE -march=i686 -I$(LINUX)/include/asm-i386/mach-default -nostdinc -iwithprefix include '
  93         ;;
  94                 * )
  95                 KCPPFLAGS='-D__KERNEL__ -DMODULE '
  96         ;;
  97         esac
  98         MOD_LINK=elf_i386
  99 ;;
 100
 101         alphaev6 )
 102         AC_MSG_RESULT($host_cpu)
 103         KCFLAGS='-g -O2  -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev6'
 104         KCPPFLAGS='-D__KERNEL__ -DMODULE '
 105         MOD_LINK=elf64alpha
 106 ;;
 107
 108         alphaev67 )
 109         AC_MSG_RESULT($host_cpu)
 110         KCFLAGS='-g -O2  -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev6'
 111         KCPPFLAGS='-D__KERNEL__ -DMODULE '
 112         MOD_LINK=elf64alpha
 113 ;;
 114
 115         alpha* )
 116         AC_MSG_RESULT($host_cpu)
 117         KCFLAGS='-g -O2  -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev5'
 118         KCPPFLAGS='-D__KERNEL__ -DMODULE '
 119         MOD_LINK=elf64alpha
 120 ;;
 121
 122         ia64 )
 123         AC_MSG_RESULT($host_cpu)
 124         KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -pipe -ffixed-r13 -mfixed-range=f10-f15,f32-f127 -falign-functions=32 -mb-step'
 125         KCPPFLAGS='-D__KERNEL__ -DMODULE'
 126         MOD_LINK=elf64_ia64
 127 ;;
 128
 129         x86_64 )
 130         AC_MSG_RESULT($host_cpu)
 131         KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fomit-frame-pointer -mno-red-zone -mcmodel=kernel -pipe -fno-reorder-blocks -finline-limit=2000 -fno-strength-reduce -fno-asynchronous-unwind-tables'
 132         KCPPFLAGS='-D__KERNEL__ -DMODULE'
 133         MOD_LINK=elf_x86_64
 134 ;;
 135
 136         sparc64 )
 137         AC_MSG_RESULT($host_cpu)
 138         KCFLAGS='-O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -Wno-unused -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare -Wa,--undeclared-regs'
 139         KCPPFLAGS='-D__KERNEL__'
 140         MOD_LINK=elf64_sparc
 141
 142 ;;
 143
 144         powerpc )
 145         AC_MSG_RESULT($host_cpu)
 146         KCFLAGS='-O2 -g -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -D__powerpc__ -fsigned-char -msoft-float -pipe -ffixed-r2 -Wno-uninitialized -mmultiple -mstring'
 147         KCPPFLAGS='-D__KERNEL__ -DMODULE'
 148         MOD_LINK=elf32ppclinux
 149 ;;
 150
 151         *)
 152         AC_ERROR("Unknown Linux Platform: $host_cpu")
 153 ;;
 154 esac
 155
 156 # ----------- make dep run? ------------------
 157
 158 if test $host_cpu != "lib" ; then
 159   AC_MSG_CHECKING(if make dep has been run in kernel source (host $host_cpu) )
 160   if test -f $LINUX/include/linux/config.h ; then
 161   AC_MSG_RESULT(yes)
 162  else
 163   AC_MSG_ERROR(** cannot find $LINUX/include/linux/config.h. Run make dep in $LINUX.)
 164   fi
 165 fi
 166
 167 # ------------ include paths ------------------
 168
 169 KINCFLAGS="$CRAY_PORTALS_INCLUDE $CRAY_PORTALS_COMMANDLINE \
 170         -I\$(top_srcdir)/include \
 171         -I\$(top_srcdir)/portals/include"
 172 if test $host_cpu != "lib" ; then
 173     KINCFLAGS="$KINCFLAGS -I$LINUX/include -I$LINUX/include"
 174 else
 175     KINCFLAGS="$KINCFLAGS -I\$(top_srcdir)/utils -I\$(top_srcdir)/portals/unals"
 176 fi
 177 CPPFLAGS="$KINCFLAGS $ARCHCPPFLAGS"
 178
 179 if test $host_cpu != "lib" ; then
 180 # ------------ autoconf.h ------------------
 181   AC_MSG_CHECKING(if autoconf.h is in kernel source)
 182   if test -f $LINUX/include/linux/autoconf.h ; then
 183       AC_MSG_RESULT(yes)
 184   else
 185       AC_MSG_ERROR(** cannot find $LINUX/include/linux/autoconf.h. Run make config in $LINUX.)
 186   fi
 187
 188 # ------------ LINUXRELEASE and moduledir ------------------
 189   AC_MSG_CHECKING(for Linux release)
 190
 191   dnl We need to rid ourselves of the nasty [ ] quotes.
 192   changequote(, )
 193   dnl Get release from version.h
 194   LINUXRELEASE="`sed -ne 's/.*UTS_RELEASE[ \"]*\([0-9.a-zA-Z_-]*\).*/\1/p' $LINUX/include/linux/version.h`"
 195   changequote([, ])
 196
 197   moduledir='$(libdir)/modules/'$LINUXRELEASE/kernel
 198   AC_SUBST(moduledir)
 199
 200   modulefsdir='$(moduledir)/fs/$(PACKAGE)'
 201   AC_SUBST(modulefsdir)
 202
 203   AC_MSG_RESULT($LINUXRELEASE)
 204   AC_SUBST(LINUXRELEASE)
 205
 206 # ------------ RELEASE --------------------------------
 207   AC_MSG_CHECKING(lustre release)
 208
 209   dnl We need to rid ourselves of the nasty [ ] quotes.
 210   changequote(, )
 211   dnl Get release from version.h
 212   RELEASE="`sed -ne 's/-/_/g' -e 's/.*UTS_RELEASE[ \"]*\([0-9.a-zA-Z_]*\).*/\1/p' $LINUX/include/linux/version.h`_`date +%Y%m%d%H%M`"
 213   changequote([, ])
 214
 215   AC_MSG_RESULT($RELEASE)
 216   AC_SUBST(RELEASE)
 217
 218 # ---------- modversions? --------------------
 219   AC_MSG_CHECKING(for MODVERSIONS)
 220   if egrep -e 'MODVERSIONS.*1' $LINUX/include/linux/autoconf.h >/dev/null 2>&1;
 221   then
 222         if test $linux25 != "yes"; then
 223                 MFLAGS="-DMODULE -DMODVERSIONS -include $LINUX/include/linux/modversions.h -DEXPORT_SYMTAB"
 224                 AC_MSG_RESULT(yes)
 225         fi
 226   fi
 227 fi
 228
 229 # ---------- Portals flags --------------------
 230
 231 #AC_PREFIX_DEFAULT([])
 232 #if test "x$prefix" = xNONE || test "x$prefix" = x; then
 233 #  usrprefix=/usr
 234 #else
 235 #  usrprefix='${prefix}'
 236 #fi
 237 #AC_SUBST(usrprefix)
 238
 239 AC_MSG_CHECKING(if kernel has CPU affinity support)
 240 SET_CPUS_ALLOW="`grep -c set_cpus_allowed $LINUX/kernel/softirq.c`"
 241 if test "$SET_CPUS_ALLOW" != 0 ; then
 242   enable_affinity_temp="-DCPU_AFFINITY=1"
 243   AC_MSG_RESULT(yes)
 244 else
 245   enable_affinity_temp=""
 246   AC_MSG_RESULT(no)
 247 fi
 248
 249 AC_MSG_CHECKING(if kernel has zero-copy TCP support)
 250 ZCCD="`grep -c zccd $LINUX/include/linux/skbuff.h`"
 251 if test "$ZCCD" != 0 ; then
 252   enable_zerocopy_temp="-DSOCKNAL_ZC=1"
 253   AC_MSG_RESULT(yes)
 254 else
 255   enable_zerocopy_temp=""
 256   AC_MSG_RESULT(no)
 257 fi
 258
 259 AC_ARG_ENABLE(zerocopy, [  --disable-zerocopy disable socknal zerocopy],enable_zerocopy="", enable_zerocopy=$enable_zerocopy_temp)
 260
 261 AC_ARG_ENABLE(affinity, [  --disable-affinity disable process/irq affinity],enable_affinity="", enable_affinity=$enable_affinity_temp)
 262 #####################################
 263
 264 AC_MSG_CHECKING(if quadrics kernel headers are present)
 265 if test -d $LINUX/drivers/net/qsnet ; then
 266   AC_MSG_RESULT(yes)
 267   QSWNAL="qswnal"
 268   AC_MSG_CHECKING(for multirail EKC)
 269   if test -f $LINUX/include/elan/epcomms.h; then
 270         AC_MSG_RESULT(supported)
 271         with_quadrics="-DMULTIRAIL_EKC=1"
 272   else
 273         AC_MSG_RESULT(not supported)
 274         with_quadrics="-I$LINUX/drivers/net/qsnet/include"
 275   fi
 276   :
 277 else
 278   AC_MSG_RESULT(no)
 279   QSWNAL=""
 280   with_quadrics=""
 281   :
 282 fi
 283 AC_SUBST(with_quadrics)
 284 AC_SUBST(QSWNAL)
 285
 286 # R. Read 5/02
 287 GMNAL=""
 288 echo "checking with-gm=" ${with_gm}
 289 if test "${with_gm+set}" = set; then
 290   if test "${with_gm}" = yes; then
 291     with_gm="-I/usr/local/gm/include"
 292   else
 293     with_gm="-I$with_gm/include -I$with_gm/drivers -I$with_gm/drivers/linux/gm"
 294   fi
 295   GMNAL="gmnal"
 296 else
 297 # default case - no GM
 298   with_gm=""
 299 fi
 300 AC_SUBST(with_gm)
 301 AC_SUBST(GMNAL)
 302
 303
 304 #fixme: where are the default IB includes?
 305 default_ib_include_dir=/usr/local/ib/include
 306 an_ib_include_file=vapi.h
 307
 308 AC_ARG_WITH(ib, [  --with-ib=[yes/no/path] Path to IB includes], with_ib=$withval, with_ib=$default_ib)
 309 AC_MSG_CHECKING(if IB headers are present)
 310 if test "$with_ib" = yes; then
 311     with_ib=$default_ib_include_dir
 312 fi
 313 if test "$with_ib" != no -a -f ${with_ib}/${an_ib_include_file}; then
 314     AC_MSG_RESULT(yes)
 315     IBNAL="ibnal"
 316     with_ib="-I${with_ib}"
 317 else
 318     AC_MSG_RESULT(no)
 319     IBNAL=""
 320     with_ib=""
 321 fi
 322 AC_SUBST(IBNAL)
 323 AC_SUBST(with_ib)
 324
 325
 326 def_scamac=/opt/scali/include
 327 AC_ARG_WITH(scamac, [  --with-scamac=[yes/no/path] Path to ScaMAC includes (default=/opt/scali/include)], with_scamac=$withval, with_scamac=$def_scamac)
 328 AC_MSG_CHECKING(if ScaMAC headers are present)
 329 if test "$with_scamac" = yes; then
 330   with_scamac=$def_scamac
 331 fi
 332 if test "$with_scamac" != no -a -f ${with_scamac}/scamac.h; then
 333   AC_MSG_RESULT(yes)
 334   SCIMACNAL="scimacnal"
 335   with_scamac="-I${with_scamac} -I${with_scamac}/icm"
 336 else
 337   AC_MSG_RESULT(no)
 338   SCIMACNAL=""
 339   with_scamac=""
 340 fi
 341
 342 AC_SUBST(with_scamac)
 343 AC_SUBST(SCIMACNAL)
 344
 345 CFLAGS="$KCFLAGS"
 346 CPPFLAGS="$KINCFLAGS $KCPPFLAGS $MFLAGS $enable_zerocopy $enable_affinity $with_quadrics $with_gm $with_scamac $with_ib"
 347 if test $host_cpu == "lib" ; then
 348 CPPFLAGS="$CPPFLAGS -fPIC -D_LARGEFILE64_SOURCE=1 -g"
 349 fi
 350
 351 AM_CONDITIONAL(LIBLUSTRE, test x$host_cpu = xlib)
 352 AC_SUBST(MOD_LINK)
 353 AC_SUBST(LINUX25)
 354 AM_CONDITIONAL(LIBLUSTRE, test x$host_cpu = xlib)
 355
 356 # ---------- Red Hat 2.4.18 has iobuf->dovary --------------
 357 # But other kernels don't
 358
 359 AC_MSG_CHECKING([if struct kiobuf has a dovary field])
 360 AC_TRY_COMPILE([#define __KERNEL__
 361                 #include <linux/iobuf.h>],
 362                [struct kiobuf iobuf;
 363                 iobuf.dovary = 1;],
 364                [AC_MSG_RESULT([yes])
 365                 CPPFLAGS="$CPPFLAGS -DHAVE_KIOBUF_DOVARY"],
 366                [AC_MSG_RESULT([no])])
 367
 368 # ---------- Red Hat 2.4.20 backports some 2.5 bits --------
 369 # This needs to run after we've defined the KCPPFLAGS
 370
 371 AC_MSG_CHECKING(for kernel version)
 372 AC_TRY_COMPILE([#define __KERNEL__
 373              #include <linux/sched.h>],
 374             [struct task_struct p;
 375              p.sighand = NULL;],
 376             [RH_2_4_20=1],
 377             [RH_2_4_20=0])
 378
 379 if test $RH_2_4_20 = 1; then
 380         AC_MSG_RESULT(redhat-2.4.20)
 381         CPPFLAGS="$CPPFLAGS -DCONFIG_RH_2_4_20"
 382 else
 383         AC_MSG_RESULT($LINUXRELEASE)
 384 fi
 385
 386 # ---------- Red Hat 2.4.21 backports some more 2.5 bits --------
 387
 388 AC_MSG_CHECKING(if kernel defines PDE)
 389 HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
 390 if test "$HAVE_PDE" != 0 ; then
 391   CPPFLAGS="$CPPFLAGS -DHAVE_PDE"
 392   AC_MSG_RESULT(yes)
 393 else
 394   AC_MSG_RESULT(no)
 395 fi
 396
 397 AC_MSG_CHECKING(if kernel passes struct file to direct_IO)
 398 HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
 399 if test "$HAVE_DIO_FILE" != 0 ; then
 400   CPPFLAGS="$CPPFLAGS -DHAVE_DIO_FILE"
 401   AC_MSG_RESULT(yes)
 402 else
 403   AC_MSG_RESULT(no)
 404 fi
 405
 406 # --- Check that ext3 and ext3 xattr are enabled in the kernel
 407 if test "$host_cpu" != "lib" ; then
 408         AC_MSG_CHECKING([that ext3 is enabled in the kernel])
 409         AC_TRY_COMPILE([
 410 #define __KERNEL__
 411 #include <linux/config.h>
 412                 ],
 413                 [
 414 #ifdef CONFIG_EXT3_FS
 415         return 0;
 416 #else
 417 #error CONFIG_EXT3_FS not #defined
 418 #endif
 419                 ],[AC_MSG_RESULT([yes])],
 420                 [AC_MSG_RESULT([no])
 421                 AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel (CONFIG_EXT3_FS)])
 422                 ])
 423 # disable this check until our xattr patches define it!
 424 #       AC_MSG_CHECKING([that extended attributes for ext3 are enabled in the kernel])
 425 #       AC_TRY_COMPILE([
 426 ##define __KERNEL__
 427 ##include <linux/config.h>
 428 #               ],
 429 #               [
 430 ##ifdef CONFIG_EXT3_FS_XATTR
 431 #       return 0;
 432 ##else
 433 ##error CONFIG_EXT3_FS_XATTR not #defined
 434 ##endif
 435 #               ],[AC_MSG_RESULT([yes])],
 436 #               [AC_MSG_RESULT([no])
 437 #               AC_MSG_ERROR([Lustre requires that extended attributes for ext3 are enabled in the kernel (CONFIG_EXT3_FS_XATTR)])
 438 #               ])
 439 fi
 440