+++ /dev/null
-# -------- we can't build modules unless srcdir = builddir
-if test x$enable_modules != xno ; then
- AC_CHECK_FILE([autoMakefile.am],[],
- [AC_MSG_ERROR([At this time, Lustre does not support building kernel modules with srcdir != buildir.])])
-fi
-
-# -------- in kernel compilation? (2.5 only) -------------
-AC_MSG_CHECKING([if inkernel build support is requested])
-AC_ARG_ENABLE([inkernel],
- AC_HELP_STRING([--enable-inkernel],
- [set up 2.5 kernel makefiles]),
- [],[enable_inkernel=no])
-AC_MSG_RESULT([$enable_inkernel])
-AM_CONDITIONAL(INKERNEL, test x$enable_inkernel = xyes)
-
-# -------- are we building against an external portals? -------
-AC_MSG_CHECKING([for Cray portals])
-AC_ARG_WITH([cray-portals],
- AC_HELP_STRING([--with-cray-portals=path],
- [path to cray portals]),
- [
- if test "$with_cray_portals" != no; then
- CRAY_PORTALS_PATH=$with_cray_portals
- CRAY_PORTALS_INCLUDES="$with_cray_portals/include"
- CRAY_PORTALS_LIBS="$with_cray_portals"
- fi
- ],[with_cray_portals=no])
-AC_SUBST(CRAY_PORTALS_PATH)
-AC_MSG_RESULT([$CRAY_PORTALS_PATH])
-
-AC_MSG_CHECKING([for Cray portals includes])
-AC_ARG_WITH([cray-portals-includes],
- AC_HELP_STRING([--with-cray-portals-includes=path],
- [path to cray portals includes]),
- [
- if test "$with_cray_portals_includes" != no; then
- CRAY_PORTALS_INCLUDES="$with_cray_portals_includes"
- fi
- ])
-AC_SUBST(CRAY_PORTALS_INCLUDES)
-AC_MSG_RESULT([$CRAY_PORTALS_INCLUDES])
-
-AC_MSG_CHECKING([for Cray portals libs])
-AC_ARG_WITH([cray-portals-libs],
- AC_HELP_STRING([--with-cray-portals-libs=path],
- [path to cray portals libs]),
- [
- if test "$with_cray_portals_libs" != no; then
- CRAY_PORTALS_LIBS="$with_cray_portals_libs"
- fi
- ])
-AC_SUBST(CRAY_PORTALS_LIBS)
-AC_MSG_RESULT([$CRAY_PORTALS_LIBS])
-
-if test x$CRAY_PORTALS_INCLUDES != x ; then
- if test ! -r $CRAY_PORTALS_INCLUDES/portals/api.h ; then
- AC_MSG_ERROR([Cray portals headers were not found in $CRAY_PORTALS_INCLUDES. Please check the paths passed to --with-cray-portals or --with-cray-portals-includes.])
- fi
-fi
-if test x$CRAY_PORTALS_LIBS != x ; then
- if test ! -r $CRAY_PORTALS_LIBS/libportals.a ; then
- AC_MSG_ERROR([Cray portals libraries were not found in $CRAY_PORTALS_LIBS. Please check the paths passed to --with-cray-portals or --with-cray-portals-libs.])
- fi
-fi
-
-AC_MSG_CHECKING([whether to use Cray portals])
-if test x$CRAY_PORTALS_INCLUDES != x -a x$CRAY_PORTALS_LIBS != x ; then
- with_cray_portals=yes
- AC_DEFINE(CRAY_PORTALS, 1, [Building with Cray Portals])
- CRAY_PORTALS_INCLUDES="-I$CRAY_PORTALS_INCLUDES"
-else
- with_cray_portals=no
-fi
-AC_MSG_RESULT([$with_cray_portals])
-AM_CONDITIONAL(CRAY_PORTALS, test x$with_cray_portals != xno)
-
-# ----------------------------------------
-# some tests for catamount-like systems
-# ----------------------------------------
-AC_ARG_ENABLE([sysio_init],
- AC_HELP_STRING([--disable-sysio-init],
- [call sysio init functions when initializing liblustre]),
- [],[enable_sysio_init=yes])
-AC_MSG_CHECKING([whether to initialize libsysio])
-AC_MSG_RESULT([$enable_sysio_init])
-if test x$enable_sysio_init != xno ; then
- AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
-fi
-
-AC_ARG_ENABLE([urandom],
- AC_HELP_STRING([--disable-urandom],
- [disable use of /dev/urandom for liblustre]),
- [],[enable_urandom=yes])
-AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
-AC_MSG_RESULT([$enable_urandom])
-if test x$enable_urandom != xno ; then
- AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
-fi
-
-# -------- check for -lcap and -lpthread ----
-if test x$enable_liblustre = xyes ; then
- AC_CHECK_LIB([cap], [cap_get_proc],
- [
- CAP_LIBS="-lcap"
- AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
- ],
- [CAP_LIBS=""])
- AC_SUBST(CAP_LIBS)
- AC_CHECK_LIB([pthread], [pthread_create],
- [
- PTHREAD_LIBS="-lpthread"
- AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
- ],
- [PTHREAD_LIBS=""])
- AC_SUBST(PTHREAD_LIBS)
-fi
-
-# -------- enable tests and utils? -------
-if test x$enable_tests = xno ; then
- AC_MSG_NOTICE([disabling tests])
- enable_tests=no
-fi
-if test x$enable_utils = xno ; then
- AC_MSG_NOTICE([disabling utilities])
- enable_utils=no
-fi
-
-if test x$enable_modules != xno ; then
- # -------- set linuxdir ------------
- 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
- rm $LINUX/fs/lustre
- ln -s `pwd` $LINUX/fs/lustre
- fi
-
- # -------- linux objects (for 2.6) --
- AC_MSG_CHECKING([for Linux objects dir])
- AC_ARG_WITH([linux-obj],
- AC_HELP_STRING([--with-linux-obj=path],
- [set path to Linux objects dir (default=\$LINUX)]),
- [LINUX_OBJ=$with_linux_obj],
- [LINUX_OBJ=$LINUX])
- AC_MSG_RESULT([$LINUX_OBJ])
- AC_SUBST(LINUX_OBJ)
-
- # -------- check for .confg --------
- AC_ARG_WITH([linux-config],
- [AC_HELP_STRING([--with-linux-config=path],
- [set path to Linux .conf (default=\$LINUX_OBJ/.config)])],
- [LINUX_CONFIG=$with_linux_config],
- [LINUX_CONFIG=$LINUX_OBJ/.config])
- AC_SUBST(LINUX_CONFIG)
-
- 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']])
-
- 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])
-
- # --------------------
- ARCH_UM=
- UML_CFLAGS=
-
- 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 $1}'` ; then
- ARCH_UM='ARCH=um'
- # see notes in Rules.in
- UML_CFLAGS='-O0'
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT([no (asm doesn't point at asm-um)])
- fi
- else
- AC_MSG_RESULT([no (asm-um missing)])
- fi
-
- AC_SUBST(ARCH_UM)
- AC_SUBST(UML_CFLAGS)
-
- # --------- Linux 25 ------------------
- AC_CHECK_FILE([$LINUX/include/linux/namei.h],
- [
- linux25="yes"
- KMODEXT=".ko"
- enable_ldiskfs="yes"
- BACKINGFS="ldiskfs"
- ],[
- KMODEXT=".o"
- linux25="no"
- ])
- AC_MSG_CHECKING([if you are using Linux 2.6])
- AC_MSG_RESULT([$linux25])
-
- AC_SUBST(LINUX25)
- AC_SUBST(KMODEXT)
-
- AC_PATH_PROG(PATCH, patch, [no])
- AC_PATH_PROG(QUILT, quilt, [no])
-
- if test x$enable_ldiskfs$PATCH$QUILT = xyesnono ; then
- AC_MSG_ERROR([Quilt or patch are needed to build the ldiskfs module (for Linux 2.6)])
- fi
-fi
-AM_CONDITIONAL(LINUX25, test x$linux25 = xyes)
-AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
-
-# ------- Makeflags ------------------
-
-CPPFLAGS="$CPPFLAGS $CRAY_PORTALS_INCLUDES -I\$(top_srcdir)/include -I\$(top_srcdir)/portals/include"
-
-# liblustre are all the same
-LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
-AC_SUBST(LLCPPFLAGS)
-
-LLCFLAGS="-g -Wall -fPIC"
-AC_SUBST(LLCFLAGS)
-
-# everyone builds against portals and lustre
-
-if test x$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 $CRAY_PORTALS_INCLUDES -I$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 [$2] CC="$CC" -f $PWD/kernel-tests/Makefile LUSTRE_LINUX_CONFIG=$LINUX_CONFIG -o tmp_include_depends -o scripts -o include/config/MARKER -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM $MODULE_TARGET=$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], [$6])])
-
-# ------------ include paths ------------------
-
-if test x$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_OBJ/include/linux/autoconf.h
- $LINUX_OBJ/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 $LINUX_OBJ/include/linux/version.h >/dev/null ; then
- # This is a clean kernel-source tree, we need to
- # enable extensive workarounds to get this to build
- # modules
- AC_CHECK_FILE([$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
-
- # ------------ external module support ---------------------
- MODULE_TARGET="SUBDIRS"
- if test $linux25 = 'yes' ; then
- makerule="$PWD/kernel-tests"
- AC_MSG_CHECKING([for external module build support])
- rm -f kernel-tests/conftest.i
- LUSTRE_MODULE_TRY_MAKE([],[],
- [$makerule LUSTRE_KERNEL_TEST=conftest.i],
- [test -s kernel-tests/conftest.i],
- [
- AC_MSG_RESULT([no])
- ],[
- AC_MSG_RESULT([yes])
- makerule="_module_$makerule"
- MODULE_TARGET="M"
- ])
- else
- makerule="_dir_$PWD/kernel-tests"
- fi
- AC_SUBST(MODULE_TARGET)
-
- # --- check that we can build modules at all
- AC_MSG_CHECKING([that modules can be built])
- LUSTRE_MODULE_TRY_COMPILE([],[],
- [
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no])
- AC_MSG_WARN([Consult config.log for details.])
- AC_MSG_WARN([If you are trying to build with a kernel-source rpm, consult README.kernel-source])
- AC_MSG_ERROR([Kernel modules could not be built.])
- ])
-
- # ------------ LINUXRELEASE and moduledir ------------------
- LINUXRELEASE=
- rm -f kernel-tests/conftest.i
- AC_MSG_CHECKING([for Linux release])
- LUSTRE_MODULE_TRY_MAKE(
- [#include <linux/version.h>],
- [char *LINUXRELEASE;
- LINUXRELEASE=UTS_RELEASE;],
- [$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([$LINUXRELEASE])
- AC_SUBST(LINUXRELEASE)
-
- moduledir='/lib/modules/'$LINUXRELEASE/kernel
- modulefsdir='$(moduledir)/fs/$(PACKAGE)'
- modulenetdir='$(moduledir)/net/$(PACKAGE)'
-
- AC_SUBST(moduledir)
- AC_SUBST(modulefsdir)
- AC_SUBST(modulenetdir)
-
- # ------------ RELEASE --------------------------------
- AC_MSG_CHECKING([for Lustre release])
- RELEASE="`echo ${LINUXRELEASE} | tr '-' '_'`_`date +%Y%m%d%H%M`"
- AC_MSG_RESULT($RELEASE)
- AC_SUBST(RELEASE)
-
- # ---------- Portals flags --------------------
-
- 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
- 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_ARG_ENABLE([affinity],
- AC_HELP_STRING([--disable-affinity],
- [disable process/irq affinity]),
- [],[enable_affinity='yes'])
-
- AC_MSG_CHECKING([for CPU affinity support])
- if test x$enable_affinity = xno ; then
- AC_MSG_RESULT([no (by request)])
- else
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/sched.h>
- ],[
- struct task_struct t;
- #ifdef CPU_ARRAY_SIZE
- cpumask_t m;
- #else
- unsigned long m;
- #endif
- set_cpus_allowed(&t, m);
- ],[
- AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no (no kernel support)])
- ])
- fi
-
- #####################################
-
- 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])
- 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=""
- QSWCPPFLAGS=""
- fi
- AC_SUBST(QSWCPPFLAGS)
- AC_SUBST(QSWNAL)
-
- 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)
-
- if test $linux25 = 'no' ; then
- #### OpenIB
- AC_MSG_CHECKING([if OpenIB kernel headers are present])
- OPENIBCPPFLAGS="-I$LINUX/drivers/infiniband/include -DIN_TREE_BUILD"
- EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <ts_ib_core.h>
- ],[
- struct ib_device_properties props;
- return 0;
- ],[
- AC_MSG_RESULT([yes])
- OPENIBNAL="openibnal"
- ],[
- AC_MSG_RESULT([no])
- OPENIBNAL=""
- OPENIBCPPFLAGS=""
- ])
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
- AC_SUBST(OPENIBCPPFLAGS)
- AC_SUBST(OPENIBNAL)
- fi
-
- #### Infinicon IB
- AC_MSG_CHECKING([if Infinicon IB kernel headers are present])
- # for how the only infinicon ib build has headers in /usr/include/iba
- IIBCPPFLAGS="-I/usr/include -DIN_TREE_BUILD"
- EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/iba/ibt.h>
- ],[
- IBT_INTERFACE_UNION interfaces;
- FSTATUS rc;
-
- rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
- &interfaces);
-
- return rc == FSUCCESS ? 0 : 1;
- ],[
- AC_MSG_RESULT([yes])
- IIBNAL="iibnal"
- ],[
- AC_MSG_RESULT([no])
- IIBNAL=""
- IIBCPPFLAGS=""
- ])
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
- AC_SUBST(IIBCPPFLAGS)
- AC_SUBST(IIBNAL)
-
- #### Rapid Array
- AC_MSG_CHECKING([if RapidArray kernel headers are present])
- # placeholder
- RACPPFLAGS="-I/tmp"
- EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/types.h>
- #include <rapl.h>
- ],[
- RAP_RETURN rc;
- RAP_PVOID dev_handle;
-
- rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
-
- return rc == RAP_SUCCESS ? 0 : 1;
- ],[
- AC_MSG_RESULT([yes])
- RANAL="ranal"
- ],[
- AC_MSG_RESULT([no])
- RANAL=""
- RACPPFLAGS=""
- ])
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
- AC_SUBST(RACPPFLAGS)
- AC_SUBST(RANAL)
-
- # ---------- Red Hat 2.4.18 has iobuf->dovary --------------
- # But other kernels don't
-
- AC_MSG_CHECKING([if struct kiobuf has a dovary field])
- 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([if task_struct has a sighand field])
- 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([yes])
- ],[
- AC_MSG_RESULT([no])
- ])
-
- # ---------- 2.4.20 introduced cond_resched --------------
-
- AC_MSG_CHECKING([if kernel offers cond_resched])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/sched.h>
- ],[
- cond_resched();
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
- ],[
- AC_MSG_RESULT([no])
- ])
-
- # --------- zap_page_range(vma) --------------------------------
- AC_MSG_CHECKING([if zap_pag_range with vma parameter])
- ZAP_PAGE_RANGE_VMA="`grep -c 'zap_page_range.*struct vm_area_struct' $LINUX/include/linux/mm.h`"
- if test "$ZAP_PAGE_RANGE_VMA" != 0 ; then
- AC_DEFINE(ZAP_PAGE_RANGE_VMA, 1, [zap_page_range with vma parameter])
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- fi
-
- # ---------- Red Hat 2.4.21 backports some more 2.5 bits --------
-
- 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
- AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE])
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- fi
-
- 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
- AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO])
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no)
- fi
-
- AC_MSG_CHECKING([if kernel defines cpu_online()])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/sched.h>
- ],[
- cpu_online(0);
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
- ],[
- AC_MSG_RESULT([no])
- ])
- AC_MSG_CHECKING([if kernel defines cpumask_t])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/sched.h>
- ],[
- return sizeof (cpumask_t);
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
- ],[
- AC_MSG_RESULT([no])
- ])
-
- # ---------- RHEL kernels define page_count in mm_inline.h
- AC_MSG_CHECKING([if kernel has mm_inline.h header])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/mm_inline.h>
- ],[
- #ifndef page_count
- #error mm_inline.h does not define page_count
- #endif
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
- ],[
- AC_MSG_RESULT([no])
- ])
-
- # ---------- inode->i_alloc_sem --------------
- AC_MSG_CHECKING([if struct inode has i_alloc_sem])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/fs.h>
- #include <linux/version.h>
- ],[
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
- #error "down_read_trylock broken before 2.4.24"
- #endif
- struct inode i;
- return (char *)&i.i_alloc_sem - (char *)&i;
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
- ],[
- AC_MSG_RESULT([no])
- ])
-
-
- # ---------- 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])
- ])
-
- # ------------ kallsyms (so software watchdogs produce useful stacks)
- AC_MSG_CHECKING([if kallsyms is enabled])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/config.h>
- ],[
- #ifndef CONFIG_KALLSYMS
- #error CONFIG_KALLSYMS is not #defined
- #endif
- ],[
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no])
- if test "x$ARCH_UM" = "x" ; then
- AC_MSG_ERROR([Lustre requires that CONFIG_KALLSYMS is enabled in your kernel.])
- fi
- ])
-
- # ------------ check for our show_task patch
- AC_MSG_CHECKING([if kernel exports show_task])
- have_show_task=0
- for file in ksyms sched ; do
- if grep -q "EXPORT_SYMBOL(show_task)" \
- "$LINUX/kernel/$file.c" 2>/dev/null ; then
- have_show_task=1
- break
- fi
- done
- if test x$have_show_task = x1 ; then
- AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no)
- fi
-
- case $BACKINGFS in
- ext3)
- # --- 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.])
- ])
- ;;
- ldiskfs)
- AC_MSG_CHECKING([if fshooks are present])
- LUSTRE_MODULE_TRY_COMPILE(
- [
- #include <linux/fshooks.h>
- ],[],[
- AC_MSG_RESULT([yes])
- LDISKFS_SERIES="2.6-suse.series"
- ],[
- AC_MSG_RESULT([no])
- LDISKFS_SERIES="2.6-vanilla.series"
- ])
- AC_SUBST(LDISKFS_SERIES)
- # --- check which ldiskfs series we should use
- ;;
- esac # $BACKINGFS
-fi
-
-AM_CONDITIONAL(BUILD_QSWNAL, test x$QSWNAL = "xqswnal")
-AM_CONDITIONAL(BUILD_GMNAL, test x$GMNAL = "xgmnal")
-AM_CONDITIONAL(BUILD_OPENIBNAL, test x$OPENIBNAL = "xopenibnal")
-AM_CONDITIONAL(BUILD_IIBNAL, test x$IIBNAL = "xiibnal")
-AM_CONDITIONAL(BUILD_RANAL, test x$RANAL = "xranal")
-
-# portals/utils/portals.c
-AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h])
-AC_CHECK_FUNCS([gethostbyname socket connect])
-
-# portals/utils/debug.c
-AC_CHECK_HEADERS([linux/version.h])
-
-# include/liblustre.h
-AC_CHECK_HEADERS([asm/page.h sys/user.h stdint.h])
-
-# liblustre/llite_lib.h
-AC_CHECK_HEADERS([xtio.h file.h])
-
-# liblustre/dir.c
-AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
-
-# liblustre/lutil.c
-AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
-AC_CHECK_FUNCS([inet_ntoa])
-
-CPPFLAGS="-include \$(top_builddir)/include/config.h $CPPFLAGS"
-EXTRA_KCFLAGS="-include $PWD/include/config.h $EXTRA_KCFLAGS"
-AC_SUBST(EXTRA_KCFLAGS)
-
-echo "CPPFLAGS: $CPPFLAGS"
-echo "LLCPPFLAGS: $LLCPPFLAGS"
-echo "CFLAGS: $CFLAGS"
-echo "EXTRA_KCFLAGS: $EXTRA_KCFLAGS"
-echo "LLCFLAGS: $LLCFLAGS"
-
-ENABLE_INIT_SCRIPTS=0
-if test x$enable_utils = xyes ; then
- AC_MSG_CHECKING([whether to install init scripts])
- # our scripts only work on red hat systems
- if test -f /etc/init.d/functions -a -f /etc/sysconfig/network ; then
- ENABLE_INIT_SCRIPTS=1
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- fi
-fi
-AM_CONDITIONAL(INIT_SCRIPTS, test x$ENABLE_INIT_SCRIPTS = "x1")
-AC_SUBST(ENABLE_INIT_SCRIPTS)
git://git.whamcloud.com / fs / lustre-release.git / commitdiff