+# -------- we can't build modules unless srcdir = builddir
+if test x$enable_modules != xno ; then
+AC_CHECK_FILE([autoMakefile.am],[],
+ [AC_MSG_ERROR([At this time, Lustre does not support building kernel modules with srcdir != buildir.])])
+fi
# -------- in kernel compilation? (2.5 only) -------------
-AC_ARG_ENABLE(inkernel, [ --enable-inkernel set up 2.5 kernel makefiles])
+AC_MSG_CHECKING([if inkernel build support is requested])
+AC_ARG_ENABLE([inkernel],
+ AC_HELP_STRING([--enable-inkernel],
+ [set up 2.5 kernel makefiles]),
+ [],[enable_inkernel=no])
+AC_MSG_RESULT([$enable_inkernel])
AM_CONDITIONAL(INKERNEL, test x$enable_inkernel = xyes)
-echo "Makefile for in kernel build: $INKERNEL"
# -------- are we building against an external portals? -------
-# haha, I wonder how one is really supposed to do this
-# automake seems to have a DEFS variable which looks good
-AC_ARG_WITH(cray-portals, [ --with-cray-portals=[path] path to cray portals],
- CRAY_PORTALS_INCLUDE="-I$with_cray_portals"
- CC="$CC -DCRAY_PORTALS=1"
- )
-AC_SUBST(CRAY_PORTALS_INCLUDE)
-AM_CONDITIONAL(CRAY_PORTALS, test ! "x$with_cray_portals" = x)
-
-# -------- liblustre compilation --------------
-AC_ARG_WITH(lib, [ --with-lib compile lustre library], host_cpu="lib")
+AC_MSG_CHECKING([if Cray portals should be used])
+AC_ARG_WITH([cray-portals],
+ AC_HELP_STRING([--with-cray-portals=path],
+ [path to cray portals]),
+ [
+ if test "$with_cray_portals" != no; then
+ if test -r $with_cray_portals/include/portals/api.h ; then
+ CRAY_PORTALS_INCLUDE="-I$with_cray_portals/include"
+ AC_DEFINE(CRAY_PORTALS, 1, [Building with Cray Portals])
+ else
+ AC_MSG_ERROR([--with-cray-portals specified badly])
+ fi
+ fi
+ ],[with_cray_portals=no])
+AC_MSG_RESULT([$with_cray_portals])
+
+AM_CONDITIONAL(CRAY_PORTALS, test x$with_cray_portals != xno)
+
+# -------- enable tests and utils? -------
+if test x$enable_tests = xno ; then
+ AC_MSG_NOTICE([disabling tests])
+ enable_tests=no
+fi
+if test x$enable_utils = xno ; then
+ AC_MSG_NOTICE([disabling utilities])
+ enable_utils=no
+fi
# -------- set linuxdir ------------
-
-AC_ARG_WITH(linux, [ --with-linux=[path] set path to Linux source (default=/usr/src/linux)],LINUX=$with_linux,LINUX=/usr/src/linux)
+AC_MSG_CHECKING([for Linux sources])
+AC_ARG_WITH([linux],
+ AC_HELP_STRING([--with-linux=path],
+ [set path to Linux source (default=/usr/src/linux)]),
+ [LINUX=$with_linux],
+ [LINUX=/usr/src/linux])
+AC_MSG_RESULT([$LINUX])
AC_SUBST(LINUX)
if test x$enable_inkernel = xyes ; then
echo ln -s `pwd` $LINUX/fs/lustre
ln -s `pwd` $LINUX/fs/lustre
fi
-# --------------------
-AC_MSG_CHECKING(if you are running user mode linux for $host_cpu ...)
-if test $host_cpu = "lib" ; then
- host_cpu="lib"
- AC_MSG_RESULT(no building Lustre library)
-else
- if test -e $LINUX/include/asm-um ; then
- if test X`ls -id $LINUX/include/asm/ | awk '{print $1}'` = X`ls -id $LINUX/include/asm-um | awk '{print $1}'` ; then
- host_cpu="um";
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no (asm doesn't point at asm-um))
- fi
+# -------- check for .confg --------
+AC_ARG_WITH([linux-config],
+ [AC_HELP_STRING([--with-linux-config=path],
+ [set path to Linux .conf (default=\$LINUX/.config)])],
+ [LINUX_CONFIG=$with_linux_config],
+ [LINUX_CONFIG=$LINUX/.config])
+AC_SUBST(LINUX_CONFIG)
- else
- AC_MSG_RESULT(no (asm-um missing))
- fi
-fi
+AC_CHECK_FILE([/boot/kernel.h],
+ [KERNEL_SOURCE_HEADER='/boot/kernel.h'],
+ [AC_CHECK_FILE([/var/adm/running-kernel.h]),
+ [KERNEL_SOURCE_HEADER='/var/adm/running-kernel.h']])
-# --------- Linux 25 ------------------
+AC_ARG_WITH([kernel-source-header],
+ AC_HELP_STRING([--with-kernel-source-header=path],
+ [Use a different kernel version header. Consult README.kernel-source for details.]),
+ [KERNEL_SOURCE_HEADER=$with_kernel_source_header])
-AC_MSG_CHECKING(if you are running linux 2.5)
-if test -e $LINUX/include/linux/namei.h ; then
- linux25="yes"
- AC_MSG_RESULT(yes)
-else
- linux25="no"
- AC_MSG_RESULT(no)
+# --------------------
+ARCH_UM=
+UML_CFLAGS=
+if test x$enable_modules != xno ; then
+ AC_MSG_CHECKING([if you are running user mode linux for $host_cpu])
+ if test -e $LINUX/include/asm-um ; then
+ if test X`ls -id $LINUX/include/asm/ | awk '{print $1}'` = X`ls -id $LINUX/include/asm-um | awk '{print $1}'` ; then
+ ARCH_UM='ARCH=um'
+ # see notes in Rules.in
+ UML_CFLAGS='-O0'
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT([no (asm doesn't point at asm-um)])
+ fi
+ else
+ AC_MSG_RESULT([no (asm-um missing)])
+ fi
fi
+AC_SUBST(ARCH_UM)
+AC_SUBST(UML_CFLAGS)
+# --------- Linux 25 ------------------
+
+AC_CHECK_FILE([$LINUX/include/linux/namei.h],
+ [
+ linux25="yes"
+ KMODEXT=".ko"
+ ],[
+ KMODEXT=".o"
+ linux25="no"
+ ])
+AC_MSG_CHECKING([if you are using Linux 2.6])
+AC_MSG_RESULT([$linux25])
AM_CONDITIONAL(LINUX25, test x$linux25 = xyes)
-echo "Makefiles for in linux 2.5 build: $LINUX25"
+AC_SUBST(KMODEXT)
# ------- Makeflags ------------------
-AC_MSG_CHECKING(setting make flags system architecture: )
-case ${host_cpu} in
- lib )
- AC_MSG_RESULT($host_cpu)
- KCFLAGS='-g -Wall '
- KCPPFLAGS='-D__arch_lib__ '
- libdir='${exec_prefix}/lib/lustre'
- MOD_LINK=elf_i386
-;;
- um )
- AC_MSG_RESULT($host_cpu)
- KCFLAGS='-g -Wall -pipe -Wno-trigraphs -Wstrict-prototypes -fno-strict-aliasing -fno-common '
- case ${linux25} in
- yes )
- KCPPFLAGS='-D__KERNEL__ -U__i386__ -Ui386 -DUM_FASTCALL -D__arch_um__ -DSUBARCH="i386" -DNESTING=0 -D_LARGEFILE64_SOURCE -Derrno=kernel_errno -DPATCHLEVEL=4 -DMODULE -I$(LINUX)/arch/um/include -I$(LINUX)/arch/um/kernel/tt/include -I$(LINUX)/arch/um/kernel/skas/include -O2 -nostdinc -iwithprefix include'
- ;;
- * )
- 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 '
- ;;
- esac
-
- MOD_LINK=elf_i386
-;;
- i*86 )
- AC_MSG_RESULT($host_cpu)
- KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -pipe'
- case ${linux25} in
- yes )
- KCPPFLAGS='-D__KERNEL__ -DMODULE -march=i686 -I$(LINUX)/include/asm-i386/mach-default -nostdinc -iwithprefix include '
- ;;
- * )
- KCPPFLAGS='-D__KERNEL__ -DMODULE '
- ;;
- esac
- MOD_LINK=elf_i386
-;;
-
- alphaev6 )
- AC_MSG_RESULT($host_cpu)
- KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev6'
- KCPPFLAGS='-D__KERNEL__ -DMODULE '
- MOD_LINK=elf64alpha
-;;
-
- alphaev67 )
- AC_MSG_RESULT($host_cpu)
- 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'
- KCPPFLAGS='-D__KERNEL__ -DMODULE '
- MOD_LINK=elf64alpha
-;;
-
- alpha* )
- AC_MSG_RESULT($host_cpu)
- KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev5'
- KCPPFLAGS='-D__KERNEL__ -DMODULE '
- MOD_LINK=elf64alpha
-;;
-
- ia64 )
- AC_MSG_RESULT($host_cpu)
- 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'
- KCPPFLAGS='-D__KERNEL__ -DMODULE'
- MOD_LINK=elf64_ia64
-;;
-
- x86_64 )
- AC_MSG_RESULT($host_cpu)
- KCFLAGS='-g -O2 -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fomit-frame-pointer -mno-red-zone -mcmodel=kernel -pipe -fno-reorder-blocks -finline-limit=2000 -fno-strength-reduce -fno-asynchronous-unwind-tables'
- KCPPFLAGS='-D__KERNEL__ -DMODULE'
- MOD_LINK=elf_x86_64
-;;
-
- sparc64 )
- AC_MSG_RESULT($host_cpu)
- 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'
- KCPPFLAGS='-D__KERNEL__'
- MOD_LINK=elf64_sparc
-
-;;
-
- powerpc )
- AC_MSG_RESULT($host_cpu)
- 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'
- KCPPFLAGS='-D__KERNEL__ -DMODULE'
- MOD_LINK=elf32ppclinux
-;;
-
- *)
- AC_ERROR("Unknown Linux Platform: $host_cpu")
-;;
-esac
-
-# ----------- make dep run? ------------------
-
-if test $host_cpu != "lib" ; then
- AC_MSG_CHECKING(if make dep has been run in kernel source (host $host_cpu) )
- if test -f $LINUX/include/linux/config.h ; then
- AC_MSG_RESULT(yes)
- else
- AC_MSG_ERROR(** cannot find $LINUX/include/linux/config.h. Run make dep in $LINUX.)
- fi
+CPPFLAGS="$CRAY_PORTALS_INCLUDE $CRAY_PORTALS_COMMANDLINE -I\$(top_srcdir)/include -I\$(top_srcdir)/portals/include"
+
+# liblustre are all the same
+LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
+AC_SUBST(LLCPPFLAGS)
+
+LLCFLAGS="-g -Wall -fPIC"
+AC_SUBST(LLCFLAGS)
+
+# everyone builds against portals and lustre
+
+if test x$enable_ldiskfs = xyes ; then
+ AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
+ AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
+ AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls])
+ AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security])
fi
+EXTRA_KCFLAGS="-g $CRAY_PORTALS_INCLUDE $CRAY_PORTALS_COMMANDLINE -I$PWD/portals/include -I$PWD/include"
+
+# these are like AC_TRY_COMPILE, but try to build modules against the
+# kernel, inside the kernel-tests directory
+
+AC_DEFUN([LUSTRE_MODULE_CONFTEST],
+[cat >conftest.c <<_ACEOF
+$1
+_ACEOF
+])
+
+AC_DEFUN([LUSTRE_MODULE_COMPILE_IFELSE],
+[m4_ifvaln([$1], [LUSTRE_MODULE_CONFTEST([$1])])dnl
+rm -f kernel-tests/conftest.o kernel-tests/conftest.mod.c kernel-tests/conftest.ko
+AS_IF([AC_TRY_COMMAND(cp conftest.c kernel-tests && make [$2] -f $PWD/kernel-tests/Makefile LUSTRE_LINUX_CONFIG=$LINUX_CONFIG -o tmp_include_depends -o scripts -o include/config/MARKER -C $LINUX EXTRA_CFLAGS="$EXTRA_KCFLAGS" $ARCH_UM SUBDIRS=$PWD/kernel-tests) >/dev/null && AC_TRY_COMMAND([$3])],
+ [$4],
+ [_AC_MSG_LOG_CONFTEST
+m4_ifvaln([$5],[$5])dnl])dnl
+rm -f kernel-tests/conftest.o kernel-tests/conftest.mod.c kernel-tests/conftest.mod.o kernel-tests/conftest.ko m4_ifval([$1], [kernel-tests/conftest.c conftest.c])[]dnl
+])
+
+AC_DEFUN([LUSTRE_MODULE_TRY_COMPILE],
+[LUSTRE_MODULE_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[$1]], [[$2]])],
+ [modules],
+ [test -s kernel-tests/conftest.o],
+ [$3], [$4])])
+
+AC_DEFUN([LUSTRE_MODULE_TRY_MAKE],
+[LUSTRE_MODULE_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4], [$5], [$6])])
+
# ------------ include paths ------------------
-KINCFLAGS="$CRAY_PORTALS_INCLUDE $CRAY_PORTALS_COMMANDLINE \
- -I\$(top_srcdir)/include \
- -I\$(top_srcdir)/portals/include"
-if test $host_cpu != "lib" ; then
- KINCFLAGS="$KINCFLAGS -I$LINUX/include -I$LINUX/include"
-fi
-CPPFLAGS="$KINCFLAGS $ARCHCPPFLAGS"
-
-if test $host_cpu != "lib" ; then
-# ------------ autoconf.h ------------------
- AC_MSG_CHECKING(if autoconf.h is in kernel source)
- if test -f $LINUX/include/linux/autoconf.h ; then
- AC_MSG_RESULT(yes)
- else
- AC_MSG_ERROR(** cannot find $LINUX/include/linux/autoconf.h. Run make config in $LINUX.)
- fi
-
-# ------------ LINUXRELEASE and moduledir ------------------
- AC_MSG_CHECKING(for Linux release)
-
- dnl We need to rid ourselves of the nasty [ ] quotes.
- changequote(, )
- dnl Get release from version.h
- LINUXRELEASE="`sed -ne 's/.*UTS_RELEASE[ \"]*\([0-9.a-zA-Z_-]*\).*/\1/p' $LINUX/include/linux/version.h`"
- changequote([, ])
-
- moduledir='$(libdir)/modules/'$LINUXRELEASE/kernel
- AC_SUBST(moduledir)
-
- modulefsdir='$(moduledir)/fs/$(PACKAGE)'
- AC_SUBST(modulefsdir)
-
- AC_MSG_RESULT($LINUXRELEASE)
- AC_SUBST(LINUXRELEASE)
-
-# ------------ RELEASE --------------------------------
- AC_MSG_CHECKING(lustre release)
-
- dnl We need to rid ourselves of the nasty [ ] quotes.
- changequote(, )
- dnl Get release from version.h
- RELEASE="`sed -ne 's/-/_/g' -e 's/.*UTS_RELEASE[ \"]*\([0-9.a-zA-Z_]*\).*/\1/p' $LINUX/include/linux/version.h`_`date +%Y%m%d%H%M`"
- changequote([, ])
-
- AC_MSG_RESULT($RELEASE)
- AC_SUBST(RELEASE)
-
-# ---------- modversions? --------------------
- AC_MSG_CHECKING(for MODVERSIONS)
- if egrep -e 'MODVERSIONS.*1' $LINUX/include/linux/autoconf.h >/dev/null 2>&1;
- then
- if test $linux25 != "yes"; then
- MFLAGS="-DMODULE -DMODVERSIONS -include $LINUX/include/linux/modversions.h -DEXPORT_SYMTAB"
- AC_MSG_RESULT(yes)
- fi
- fi
+if test x$enable_modules != xno ; then
+ # ------------ .config exists ----------------
+ AC_CHECK_FILE([$LINUX_CONFIG],[],
+ [AC_MSG_ERROR([Kernel config could not be found. If you are building from a kernel-source rpm consult README.kernel-source])])
+
+ # ----------- make dep run? ------------------
+ AC_CHECK_FILES([$LINUX/include/linux/autoconf.h
+ $LINUX/include/linux/version.h
+ $LINUX/include/linux/config.h],[],
+ [AC_MSG_ERROR([Run make config in $LINUX.])])
+
+ # ------------ rhconfig.h includes runtime-generated bits --
+ # red hat kernel-source checks
+
+ # we know this exists after the check above. if the user
+ # tarred up the tree and ran make dep etc. in it, then
+ # version.h gets overwritten with a standard linux one.
+
+ if grep rhconfig $LINUX/include/linux/version.h >/dev/null ; then
+ # This is a clean kernel-source tree, we need to
+ # enable extensive workarounds to get this to build
+ # modules
+ AC_CHECK_FILE([$KERNEL_SOURCE_HEADER],
+ [if test $KERNEL_SOURCE_HEADER = '/boot/kernel.h' ; then
+ AC_MSG_WARN([Using /boot/kernel.h from RUNNING kernel.])
+ AC_MSG_WARN([If this is not what you want, use --with-kernel-source-header.])
+ AC_MSG_WARN([Consult README.kernel-source for details.])
+ fi],
+ [AC_MSG_ERROR([$KERNEL_SOURCE_HEADER not found. Consult README.kernel-source for details.])])
+ EXTRA_KCFLAGS="-include $KERNEL_SOURCE_HEADER $EXTRA_KCFLAGS"
+ fi
+
+ # --- check that we can build modules at all
+ AC_MSG_CHECKING([that modules can be built])
+ LUSTRE_MODULE_TRY_COMPILE([],[],
+ [
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ AC_MSG_WARN([Consult config.log for details.])
+ AC_MSG_WARN([If you are trying to build with a kernel-source rpm, consult README.kernel-source])
+ AC_MSG_ERROR([Kernel modules could not be built.])
+ ])
+
+ # ------------ LINUXRELEASE and moduledir ------------------
+ AC_MSG_CHECKING([for Linux release])
+ rm -f kernel-tests/conftest.i
+ LINUXRELEASE=
+ if test $linux25 = 'yes' ; then
+ makerule="$PWD/kernel-tests"
+ else
+ makerule="_dir_$PWD/kernel-tests"
+ fi
+ LUSTRE_MODULE_TRY_MAKE(
+ [#include <linux/version.h>],
+ [LINUXRELEASE=UTS_RELEASE],
+ [$makerule LUSTRE_KERNEL_TEST=conftest.i],
+ [test -s kernel-tests/conftest.i],
+ [
+ # LINUXRELEASE="UTS_RELEASE"
+ eval $(grep LINUXRELEASE kernel-tests/conftest.i)
+ ],[
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not preprocess test program. Consult config.log for details.])
+ ])
+ rm -f kernel-tests/conftest.i
+ if test x$LINUXRELEASE = x ; then
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not determine Linux release version from linux/version.h.])
+ fi
+ AC_MSG_RESULT([$LINUXRELEASE])
+ AC_SUBST(LINUXRELEASE)
+
+ moduledir='$(libdir)/modules/'$LINUXRELEASE/kernel
+ AC_SUBST(moduledir)
+
+ modulefsdir='$(moduledir)/fs/$(PACKAGE)'
+ AC_SUBST(modulefsdir)
+
+ # ------------ RELEASE --------------------------------
+ AC_MSG_CHECKING([for Lustre release])
+ RELEASE="`echo ${LINUXRELEASE} | tr '-' '_'`_`date +%Y%m%d%H%M`"
+ AC_MSG_RESULT($RELEASE)
+ AC_SUBST(RELEASE)
fi
# ---------- Portals flags --------------------
#fi
#AC_SUBST(usrprefix)
-AC_MSG_CHECKING(if kernel has CPU affinity support)
-SET_CPUS_ALLOW="`grep -c set_cpus_allowed $LINUX/kernel/softirq.c`"
-if test "$SET_CPUS_ALLOW" != 0 ; then
- enable_affinity_temp="-DCPU_AFFINITY=1"
- AC_MSG_RESULT(yes)
+AC_MSG_CHECKING([for zero-copy TCP support])
+AC_ARG_ENABLE([zerocopy],
+ AC_HELP_STRING([--disable-zerocopy],
+ [disable socknal zerocopy]),
+ [],[enable_zerocopy='yes'])
+if test x$enable_zerocopy = xno ; then
+ AC_MSG_RESULT([no (by request)])
else
- enable_affinity_temp=""
- AC_MSG_RESULT(no)
+ ZCCD="`grep -c zccd $LINUX/include/linux/skbuff.h`"
+ if test "$ZCCD" != 0 ; then
+ AC_DEFINE(SOCKNAL_ZC, 1, [use zero-copy TCP])
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT([no (no kernel support)])
+ fi
fi
-AC_MSG_CHECKING(if kernel has zero-copy TCP support)
-ZCCD="`grep -c zccd $LINUX/include/linux/skbuff.h`"
-if test "$ZCCD" != 0 ; then
- enable_zerocopy_temp="-DSOCKNAL_ZC=1"
- AC_MSG_RESULT(yes)
+AC_MSG_CHECKING([for CPU affinity support])
+AC_ARG_ENABLE([affinity],
+ AC_HELP_STRING([--disable-affinity],
+ [disable process/irq affinity]),
+ [],[enable_affinity='yes'])
+if test x$enable_affinity = xno ; then
+ AC_MSG_RESULT([no (by request)])
else
- enable_zerocopy_temp=""
- AC_MSG_RESULT(no)
+ SET_CPUS_ALLOW="`grep -c set_cpus_allowed $LINUX/kernel/softirq.c`"
+ if test "$SET_CPUS_ALLOW" != 0 ; then
+ AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no (no kernel support)])
+ fi
fi
-AC_ARG_ENABLE(zerocopy, [ --disable-zerocopy disable socknal zerocopy],enable_zerocopy="", enable_zerocopy=$enable_zerocopy_temp)
-AC_ARG_ENABLE(affinity, [ --disable-affinity disable process/irq affinity],enable_affinity="", enable_affinity=$enable_affinity_temp)
#####################################
-AC_MSG_CHECKING(if quadrics kernel headers are present)
+AC_MSG_CHECKING([if quadrics kernel headers are present])
if test -d $LINUX/drivers/net/qsnet ; then
- AC_MSG_RESULT(yes)
- QSWNAL="qswnal"
- AC_MSG_CHECKING(for multirail EKC)
- if test -f $LINUX/include/elan/epcomms.h; then
- AC_MSG_RESULT(supported)
- with_quadrics="-DMULTIRAIL_EKC=1"
- else
- AC_MSG_RESULT(not supported)
- with_quadrics="-I$LINUX/drivers/net/qsnet/include"
- fi
- :
+ AC_MSG_RESULT([yes])
+ QSWNAL="qswnal"
+ AC_MSG_CHECKING([for multirail EKC])
+ if test -f $LINUX/include/elan/epcomms.h; then
+ AC_MSG_RESULT([supported])
+ QSWCPPFLAGS="-DMULTIRAIL_EKC=1"
+ else
+ AC_MSG_RESULT([not supported])
+ if test -d $LINUX/drivers/net/qsnet/include; then
+ QSWCPPFLAGS="-I$LINUX/drivers/net/qsnet/include"
+ else
+ QSWCPPFLAGS="-I$LINUX/include/linux"
+ fi
+ fi
else
- AC_MSG_RESULT(no)
- QSWNAL=""
- with_quadrics=""
- :
+ AC_MSG_RESULT([no])
+ QSWNAL=""
+ QSWCPPFLAGS=""
fi
-AC_SUBST(with_quadrics)
+AC_SUBST(QSWCPPFLAGS)
AC_SUBST(QSWNAL)
-
-# R. Read 5/02
-GMNAL=""
-echo "checking with-gm=" ${with_gm}
-if test "${with_gm+set}" = set; then
- if test "${with_gm}" = yes; then
- with_gm="-I/usr/local/gm/include"
- else
- with_gm="-I$with_gm/include -I$with_gm/drivers -I$with_gm/drivers/linux/gm"
- fi
- GMNAL="gmnal"
-else
-# default case - no GM
- with_gm=""
-fi
-AC_SUBST(with_gm)
+AM_CONDITIONAL(BUILD_QSWNAL, test x$QSWNAL = "xqswnal")
+
+AC_MSG_CHECKING([if gm support was requested])
+AC_ARG_WITH([gm],
+ AC_HELP_STRING([--with-gm=path],
+ [build gmnal against path]),
+ [
+ case $with_gm in
+ yes)
+ AC_MSG_RESULT([yes])
+ GMCPPFLAGS="-I/usr/local/gm/include"
+ GMNAL="gmnal"
+ ;;
+ no)
+ AC_MSG_RESULT([no])
+ GMCPPFLAGS=""
+ GMNAL=""
+ ;;
+ *)
+ AC_MSG_RESULT([yes])
+ GMCPPFLAGS="-I$with_gm/include -I$with_gm/drivers -I$with_gm/drivers/linux/gm"
+ GMNAL="gmnal"
+ ;;
+ esac
+ ],[
+ AC_MSG_RESULT([no])
+ GMCPPFLAGS=""
+ GMNAL=""
+ ])
+AC_SUBST(GMCPPFLAGS)
AC_SUBST(GMNAL)
-
+AM_CONDITIONAL(BUILD_GMNAL, test x$GMNAL = "xgmnal")
#fixme: where are the default IB includes?
default_ib_include_dir=/usr/local/ib/include
an_ib_include_file=vapi.h
-AC_ARG_WITH(ib, [ --with-ib=[yes/no/path] Path to IB includes], with_ib=$withval, with_ib=$default_ib)
-AC_MSG_CHECKING(if IB headers are present)
-if test "$with_ib" = yes; then
- with_ib=$default_ib_include_dir
-fi
-if test "$with_ib" != no -a -f ${with_ib}/${an_ib_include_file}; then
- AC_MSG_RESULT(yes)
- IBNAL="ibnal"
- with_ib="-I${with_ib}"
-else
- AC_MSG_RESULT(no)
- IBNAL=""
- with_ib=""
-fi
+AC_MSG_CHECKING([if ib nal support was requested])
+AC_ARG_WITH([ib],
+ AC_HELP_STRING([--with-ib=yes/no/path],
+ [Path to IB includes]),
+ [
+ case $with_ib in
+ yes)
+ AC_MSG_RESULT([yes])
+ IBCPPFLAGS="-I/usr/local/ib/include"
+ IBNAL="ibnal"
+ ;;
+ no)
+ AC_MSG_RESULT([no])
+ IBCPPFLAGS=""
+ IBNAL=""
+ ;;
+ *)
+ AC_MSG_RESULT([yes])
+ IBCPPFLAGS="-I$with_ib"
+ IBNAL=""
+ ;;
+ esac
+ ],[
+ AC_MSG_RESULT([no])
+ IBFLAGS=""
+ IBNAL=""
+ ])
AC_SUBST(IBNAL)
-AC_SUBST(with_ib)
-
+AC_SUBST(IBCPPFLAGS)
+AM_CONDITIONAL(BUILD_IBNAL, test x$IBNAL = "xibnal")
-def_scamac=/opt/scali/include
-AC_ARG_WITH(scamac, [ --with-scamac=[yes/no/path] Path to ScaMAC includes (default=/opt/scali/include)], with_scamac=$withval, with_scamac=$def_scamac)
-AC_MSG_CHECKING(if ScaMAC headers are present)
-if test "$with_scamac" = yes; then
- with_scamac=$def_scamac
-fi
-if test "$with_scamac" != no -a -f ${with_scamac}/scamac.h; then
- AC_MSG_RESULT(yes)
- SCIMACNAL="scimacnal"
- with_scamac="-I${with_scamac} -I${with_scamac}/icm"
-else
- AC_MSG_RESULT(no)
- SCIMACNAL=""
- with_scamac=""
-fi
-
-AC_SUBST(with_scamac)
-AC_SUBST(SCIMACNAL)
-
-CFLAGS="$KCFLAGS"
-CPPFLAGS="$KINCFLAGS $KCPPFLAGS $MFLAGS $enable_zerocopy $enable_affinity $with_quadrics $with_gm $with_scamac $with_ib"
-
-AM_CONDITIONAL(LIBLUSTRE, test x$host_cpu = xlib)
AC_SUBST(MOD_LINK)
AC_SUBST(LINUX25)
-AM_CONDITIONAL(LIBLUSTRE, test x$host_cpu = xlib)
# ---------- Red Hat 2.4.18 has iobuf->dovary --------------
# But other kernels don't
AC_MSG_CHECKING([if struct kiobuf has a dovary field])
-AC_TRY_COMPILE([#define __KERNEL__
- #include <linux/iobuf.h>],
- [struct kiobuf iobuf;
- iobuf.dovary = 1;],
- [AC_MSG_RESULT([yes])
- CPPFLAGS="$CPPFLAGS -DHAVE_KIOBUF_DOVARY"],
- [AC_MSG_RESULT([no])])
+LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/iobuf.h>
+ ],[
+ struct kiobuf iobuf;
+ iobuf.dovary = 1;
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+
+# ----------- 2.6.4 no longer has page->list ---------------
+AC_MSG_CHECKING([if struct page has a list field])
+LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/mm.h>
+ ],[
+ struct page page;
+ &page.list;
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
# ---------- Red Hat 2.4.20 backports some 2.5 bits --------
# This needs to run after we've defined the KCPPFLAGS
-AC_MSG_CHECKING(for kernel version)
-AC_TRY_COMPILE([#define __KERNEL__
- #include <linux/sched.h>],
- [struct task_struct p;
- p.sighand = NULL;],
- [RH_2_4_20=1],
- [RH_2_4_20=0])
-
-if test $RH_2_4_20 = 1; then
- AC_MSG_RESULT(redhat-2.4.20)
- CPPFLAGS="$CPPFLAGS -DCONFIG_RH_2_4_20"
-else
- AC_MSG_RESULT($LINUXRELEASE)
-fi
+AC_MSG_CHECKING([for kernel version])
+LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/sched.h>
+ ],[
+ struct task_struct p;
+ p.sighand = NULL;
+ ],[
+ AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
+ AC_MSG_RESULT([redhat-2.4.20])
+ ],[
+ AC_MSG_RESULT([$LINUXRELEASE])
+ ])
# ---------- Red Hat 2.4.21 backports some more 2.5 bits --------
-AC_MSG_CHECKING(if kernel defines PDE)
+AC_MSG_CHECKING([if kernel defines PDE])
HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
if test "$HAVE_PDE" != 0 ; then
- CPPFLAGS="$CPPFLAGS -DHAVE_PDE"
- AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE])
+ AC_MSG_RESULT([yes])
else
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
fi
-AC_MSG_CHECKING(if kernel passes struct file to direct_IO)
+AC_MSG_CHECKING([if kernel passes struct file to direct_IO])
HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
if test "$HAVE_DIO_FILE" != 0 ; then
- CPPFLAGS="$CPPFLAGS -DHAVE_DIO_FILE"
- AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO])
+ AC_MSG_RESULT(yes)
else
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT(no)
+fi
+
+if test x$enable_modules != xno ; then
+ # ---------- modules? ------------------------
+ AC_MSG_CHECKING([for module support])
+ LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/config.h>
+ ],[
+ #ifndef CONFIG_MODULES
+ #error CONFIG_MODULES not #defined
+ #endif
+ ],[
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([module support is required to build Lustre kernel modules.])
+ ])
+
+ # ---------- modversions? --------------------
+ AC_MSG_CHECKING([for MODVERSIONS])
+ LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/config.h>
+ ],[
+ #ifndef CONFIG_MODVERSIONS
+ #error CONFIG_MODVERSIONS not #defined
+ #endif
+ ],[
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+
+ # ------------ preempt -----------------------
+ AC_MSG_CHECKING([if preempt is enabled])
+ LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/config.h>
+ ],[
+ #ifndef CONFIG_PREEMPT
+ #error CONFIG_PREEMPT is not #defined
+ #endif
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_MSG_ERROR([Lustre does not support kernels with preempt enabled.])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+
+ if test $BACKINGFS = 'ext3' ; then
+ # --- Check that ext3 and ext3 xattr are enabled in the kernel
+ AC_MSG_CHECKING([that ext3 is enabled in the kernel])
+ LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/config.h>
+ ],[
+ #ifndef CONFIG_EXT3_FS
+ #ifndef CONFIG_EXT3_FS_MODULE
+ #error CONFIG_EXT3_FS not #defined
+ #endif
+ #endif
+ ],[
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel (CONFIG_EXT3_FS)])
+ ])
+
+ AC_MSG_CHECKING([that extended attributes for ext3 are enabled in the kernel])
+ LUSTRE_MODULE_TRY_COMPILE(
+ [
+ #include <linux/config.h>
+ ],[
+ #ifndef CONFIG_EXT3_FS_XATTR
+ #error CONFIG_EXT3_FS_XATTR not #defined
+ #endif
+ ],[
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel (CONFIG_EXT3_FS_XATTR.)])
+ AC_MSG_WARN([This build may fail.])
+ ])
+ fi # BACKINGFS = ext3
fi
+
+CPPFLAGS="-include \$(top_builddir)/include/config.h $CPPFLAGS"
+EXTRA_KCFLAGS="-include $PWD/include/config.h $EXTRA_KCFLAGS"
+AC_SUBST(EXTRA_KCFLAGS)
+
+#echo "KCPPFLAGS: $KCPPFLAGS"
+#echo "KCFLAGS: $KCFLAGS"
+#echo "LLCPPFLAGS: $LLCPPFLAGS"
+#echo "LLCFLAGS: $LLCFLAGS"
+#echo "MOD_LINK: $MOD_LINK"
+#echo "CFLAGS: $CFLAGS"
+#echo "CPPFLAGS: $CPPFLAGS"
git://git.whamcloud.com / fs / lustre-release.git / blobdiff