# -------- we can't build modules unless srcdir = builddir
if test x$enable_modules != xno ; then
-AC_CHECK_FILE([Makefile.am],[],
- [AC_ERROR([At this time, Lustre does not support building kernel modules with srcdir != buildir.])])
+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) -------------
ln -s `pwd` $LINUX/fs/lustre
fi
+# -------- check for .confg --------
+AC_ARG_WITH([linux-config],
+ [AC_HELP_STRING([--with-linux-config=path],
+ [set path to Linux .conf (default=\$LINUX/.config)])],
+ [LINUX_CONFIG=$with_linux_config],
+ [LINUX_CONFIG=$LINUX/.config])
+AC_SUBST(LINUX_CONFIG)
+
+AC_CHECK_FILE([/boot/kernel.h],
+ [KERNEL_SOURCE_HEADER='/boot/kernel.h'],
+ [AC_CHECK_FILE([/var/adm/running-kernel.h]),
+ [KERNEL_SOURCE_HEADER='/var/adm/running-kernel.h']])
+
+AC_ARG_WITH([kernel-source-header],
+ AC_HELP_STRING([--with-kernel-source-header=path],
+ [Use a different kernel version header. Consult README.kernel-source for details.]),
+ [KERNEL_SOURCE_HEADER=$with_kernel_source_header])
+
# --------------------
ARCH_UM=
UML_CFLAGS=
else
AC_MSG_RESULT([no (asm doesn't point at asm-um)])
fi
- else
+ else
AC_MSG_RESULT([no (asm-um missing)])
fi
fi
AC_SUBST(UML_CFLAGS)
# --------- Linux 25 ------------------
-AC_MSG_CHECKING([if you are running linux 2.5])
-if test -e $LINUX/include/linux/namei.h ; then
- linux25="yes"
- KMODEXT=".ko"
-else
- KMODEXT=".o"
- linux25="no"
-fi
+AC_CHECK_FILE([$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)
AC_SUBST(KMODEXT)
if test x$enable_ldiskfs = xyes ; then
AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
- AC_DEFINE(CONFIG_LDISKFS_POSIX_ACL, 1, [enable posix acls])
+ AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls])
AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security])
fi
-EXTRA_KCFLAGS="-g -I$PWD/portals/include -I$PWD/include $CRAY_PORTALS_INCLUDE $CRAY_PORTALS_COMMANDLINE"
+EXTRA_KCFLAGS="-g $CRAY_PORTALS_INCLUDE $CRAY_PORTALS_COMMANDLINE -I$PWD/portals/include -I$PWD/include"
-# ----------- make dep run? ------------------
+# these are like AC_TRY_COMPILE, but try to build modules against the
+# kernel, inside the kernel-tests directory
-if test x$enable_modules != xno ; 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_RESULT([no])
- AC_MSG_ERROR([** cannot find $LINUX/include/linux/config.h. Run make dep in $LINUX.])
- fi
-fi
+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], [$6])])
# ------------ include paths ------------------
if test x$enable_modules != xno ; 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_RESULT(no)
- AC_MSG_ERROR([** cannot find $LINUX/include/linux/autoconf.h. Run make config in $LINUX.])
+ # ------------ .config exists ----------------
+ AC_CHECK_FILE([$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])
-
- # this is bogus, as it doesn't work against kernel-source rpms
- 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([, ])
+ 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/$(PACKAGE)'
AC_SUBST(modulefsdir)
- AC_MSG_RESULT($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' $LINUX/include/linux/version.h`_`date +%Y%m%d%H%M`"
- changequote([, ])
-
+ AC_MSG_CHECKING([for Lustre release])
+ RELEASE="${LINUXRELEASE}_`date +%Y%m%d%H%M`"
AC_MSG_RESULT($RELEASE)
AC_SUBST(RELEASE)
fi
fi
AC_SUBST(QSWCPPFLAGS)
AC_SUBST(QSWNAL)
+AM_CONDITIONAL(BUILD_QSWNAL, test x$QSWNAL = "xqswnal")
AC_MSG_CHECKING([if gm support was requested])
AC_ARG_WITH([gm],
])
AC_SUBST(GMCPPFLAGS)
AC_SUBST(GMNAL)
-
+AM_CONDITIONAL(BUILD_GMNAL, test x$GMNAL = "xgmnal")
#fixme: where are the default IB includes?
default_ib_include_dir=/usr/local/ib/include
])
AC_SUBST(IBNAL)
AC_SUBST(IBCPPFLAGS)
-
+AM_CONDITIONAL(BUILD_IBNAL, test x$IBNAL = "xibnal")
def_scamac=/opt/scali/include
AC_MSG_CHECKING([if ScaMAC support was requested])
])
AC_SUBST(SCIMACCPPFLAGS)
AC_SUBST(SCIMACNAL)
+AM_CONDITIONAL(BUILD_SCIMACNAL, test x$SCIMACNAL = "xscimacnal")
# if test "$with_scamac" != no -a -f ${with_scamac}/scamac.h; then
AC_SUBST(MOD_LINK)
AC_SUBST(LINUX25)
-# 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_EVAL_STDERR([cp conftest.c kernel-tests && make modules -C $LINUX $ARCH_UM SUBDIRS=$PWD/kernel-tests >/dev/null]) &&
- AC_TRY_COMMAND([test -s kernel-tests/conftest.o])],
- [$2],
- [_AC_MSG_LOG_CONFTEST
-m4_ifvaln([$3],[$3])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]])], [$3], [$4])])
-
# ---------- Red Hat 2.4.18 has iobuf->dovary --------------
# But other kernels don't
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])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff