+#
+# LB_PATH_SPL
+#
+# --with-spl - Enable spl support and attempt to autodetect the spl
+# --with-spl=yes headers in one of the following places in this order:
+# * ./spl
+# * /usr/src/spl-*/$LINUXRELEASE
+# * ../spl
+#
+# --with-spl=path - Enable spl support and use the spl headers in the
+# provided path. No autodetection is performed.
+#
+# --with-spl-obj - When spl support is enabled the object directory
+# will be based on the --with-spl directory. If this
+# is detected incorrectly it can be explicitly
+# specified using this option.
+#
+# NOTE: As with all external packages spl is expected to already be
+# configured and built. However, if the spl tree is located in-tree
+# (./spl) then it will be configured and built recursively as part of
+# the lustre build system.
+#
+AC_DEFUN([LB_PATH_SPL],
+[
+AC_ARG_WITH([spl],
+ AC_HELP_STRING([--with-spl=path], [set path to spl sources]),
+ [],[
+ if test x$enable_server = xyes && test x$enable_dist = xno; then
+ with_spl='yes'
+ else
+ with_spl='no'
+ fi
+ ])
+
+case x$with_spl in
+ xno)
+ AC_MSG_ERROR([spl must be enabled when building zfs.])
+ ;;
+ xyes)
+ SPL_DIR=
+
+ # Check ./spl
+ spl_src=$PWD/spl
+ if test -e "$spl_src"; then
+ SPL_DIR=$(readlink -f $spl_src)
+ else
+ # Check /usr/src/spl-*/$LINUXRELEASE
+ spl_src=$(ls -1d /usr/src/spl-*/$LINUXRELEASE \
+ 2>/dev/null | tail -1)
+ if test -e "$spl_src"; then
+ SPL_DIR=$(readlink -f $spl_src)
+ else
+ # Check ../spl
+ spl_src=$PWD/../spl
+ if test -e "$spl_src"; then
+ SPL_DIR=$(readlink -f $spl_src)
+ else
+ # Fatal spl required for zfs builds
+ AC_MSG_ERROR([Could not locate spl.])
+ fi
+ fi
+ fi
+
+ ;;
+ *)
+ SPL_DIR=$(readlink -f $with_spl)
+ with_spl='yes'
+ ;;
+esac
+
+AC_ARG_WITH([spl-obj],
+ AC_HELP_STRING([--with-spl-obj=path], [set path to spl objects]),
+ [
+ if test x$with_spl = xyes; then
+ SPL_OBJ="$withval"
+ fi
+ ],[
+ if test x$with_spl = xyes; then
+ SPL_OBJ=$SPL_DIR
+ fi
+ ])
+
+AC_MSG_CHECKING([spl source directory])
+AC_MSG_RESULT([$SPL_DIR])
+AC_SUBST(SPL_DIR)
+
+AC_MSG_CHECKING([spl object directory])
+AC_MSG_RESULT([$SPL_OBJ])
+AC_SUBST(SPL_OBJ)
+
+LB_SPL_SYMVERS
+LB_SPL_RELEASE
+])
+
+#
+# LB_SPL_BUILD
+#
+# Optionally configure/make the spl sources. If the sources are
+# determined to reside in-tree this feature will automatically be
+# enabled. If the sources are not in-tree it will be disabled.
+# Use --enable-spl-build or --disable-spl-build if you need to
+# override this behavior.
+#
+AC_DEFUN([LB_SPL_BUILD],
+[
+AC_ARG_ENABLE([spl-build],
+ AC_HELP_STRING([--enable-spl-build], [enable spl configure/make]),
+ [], [
+ SPL_DIR_INTREE=$(readlink -f $PWD/spl)
+ if test x$SPL_DIR = x$SPL_DIR_INTREE; then
+ enable_spl_build='yes'
+ else
+ enable_spl_build='no'
+ fi
+ ])
+
+AC_MSG_CHECKING([whether to build spl])
+if test x$enable_spl_build = xyes; then
+ AC_MSG_RESULT([$enable_spl_build])
+
+ LB_CHECK_FILE([$SPL_DIR/module/spl/spl-generic.c], [], [
+ AC_MSG_ERROR([Complete spl source must exist when building.])])
+
+ LB_CHECK_FILE([$SPL_DIR/configure], [], [
+ AC_MSG_ERROR([Complete spl source must exist when building.])])
+
+ SPL_SUBDIR="$SPL_DIR"
+ AC_SUBST(SPL_SUBDIR)
+ AC_CONFIG_SUBDIRS("spl")
+else
+ enable_spl_build='no'
+ AC_MSG_RESULT([$enable_spl_build])
+fi
+])
+
+#
+# LB_SPL_SYMVERS
+#
+AC_DEFUN([LB_SPL_SYMVERS],
+[
+AC_MSG_CHECKING([spl module symbols])
+if test -r $SPL_OBJ/Module.symvers; then
+ SPL_SYMBOLS=Module.symvers
+elif test -r $SPL_OBJ/Modules.symvers; then
+ SPL_SYMBOLS=Modules.symvers
+elif test -r $SPL_OBJ/module/Module.symvers; then
+ SPL_SYMBOLS=Module.symvers
+elif test -r $SPL_OBJ/module/Modules.symvers; then
+ SPL_SYMBOLS=Modules.symvers
+else
+ SPL_SYMBOLS=$SYMVERFILE
+fi
+
+AC_MSG_RESULT([$SPL_SYMBOLS])
+AC_SUBST(SPL_SYMBOLS)
+])
+
+#
+# LB_SPL_RELEASE
+#
+AC_DEFUN([LB_SPL_RELEASE],
+[
+AC_MSG_CHECKING([spl source release])
+if test -r $SPL_OBJ/spl_config.h; then
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-I$SPL_DIR $EXTRA_KCFLAGS"
+ LB_LINUX_TRY_MAKE([
+ #include <$SPL_OBJ/spl_config.h>
+ ],[
+ char *SPL_RELEASE;
+ SPL_RELEASE=SPL_META_VERSION;
+ ],[
+ $makerule LUSTRE_KERNEL_TEST=conftest.i
+ ],[
+ test -s build/conftest.i
+ ],[
+ eval $(grep "SPL_RELEASE=" build/conftest.i)
+ ],[
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not preprocess test program.])
+ ])
+ EXTRA_KCFLAGS="$tmp_flags"
+ rm build/conftest.i
+elif test -r $SPL_DIR/META; then
+ SPL_RELEASE=$(awk '/Version/ { print [$]2 }' $SPL_DIR/META)
+else
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not locate spl_config.h or META to check release.])
+fi
+
+if test x$SPL_RELEASE = x; then
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not determine spl release.])
+fi
+
+AC_MSG_RESULT([$SPL_RELEASE])
+AC_SUBST(SPL_RELEASE)
+])
+
+
+#
+# LB_PATH_ZFS
+#
+# --without-zfs - Disable zfs support.
+# --with-zfs=no
+#
+# --with-zfs - Enable zfs support and attempt to autodetect the zfs
+# --with-zfs=yes headers in one of the following places in this order:
+# * ./zfs
+# * /usr/src/zfs-*/$LINUXRELEASE
+# * ../zfs
+#
+# --with-zfs=path - Enable zfs support and use the zfs headers in the
+# provided path. No autodetection is performed.
+#
+# --with-zfs-obj - When zfs support is enabled the object directory
+# will be based on the --with-zfs directory. If this
+# is detected incorrectly it can be explicitly
+# specified using this option.
+#
+# NOTE: As with all external packages zfs is expected to already be
+# configured and built. However, if the zfs tree is located in-tree
+# (./zfs) then it will be configured and built recursively as part of
+# the lustre build system.
+#
+AC_DEFUN([LB_PATH_ZFS],
+[
+AC_ARG_WITH([zfs],
+ AC_HELP_STRING([--with-zfs=path], [set path to zfs sources]),
+ [],[
+ if test x$enable_server = xyes && test x$enable_dist = xno; then
+ with_zfs='yes'
+ else
+ with_zfs='no'
+ fi
+ ])
+
+case x$with_zfs in
+ xno)
+ ZFS_DIR=
+ ;;
+ xyes)
+ ZFS_DIR=
+
+ # Check ./zfs
+ zfs_src=$PWD/zfs
+ if test -e "$zfs_src"; then
+ ZFS_DIR=$(readlink -f $zfs_src)
+ else
+ # Check /usr/src/zfs-*/$LINUXRELEASE
+ zfs_src=$(ls -1d /usr/src/zfs-*/$LINUXRELEASE \
+ 2>/dev/null|tail -1)
+ if test -e "$zfs_src"; then
+ ZFS_DIR=$(readlink -f $zfs_src)
+ else
+ # Check ../zfs
+ zfs_src=$PWD/../zfs
+ if test -e "$zfs_src"; then
+ ZFS_DIR=$(readlink -f $zfs_src)
+ else
+ # Disable zfs failed to detect sources
+ with_zfs='no'
+ fi
+ fi
+ fi
+
+ ;;
+ *)
+ ZFS_DIR=$(readlink -f $with_zfs)
+ with_zfs='yes'
+ ;;
+esac
+
+AC_MSG_CHECKING([whether to enable zfs])
+AC_MSG_RESULT([$with_zfs])
+
+AC_ARG_WITH([zfs-obj],
+ AC_HELP_STRING([--with-zfs-obj=path], [set path to zfs objects]),
+ [
+ if test x$with_zfs = xyes; then
+ ZFS_OBJ="$withval"
+ fi
+ ],[
+ if test x$with_zfs = xyes; then
+ ZFS_OBJ=$ZFS_DIR
+ fi
+ ])
+
+if test x$with_zfs = xyes; then
+ LB_ZFS_DEFINE_OPTIONS
+
+ AC_MSG_CHECKING([zfs source directory])
+ AC_MSG_RESULT([$ZFS_DIR])
+ AC_SUBST(ZFS_DIR)
+
+ AC_MSG_CHECKING([zfs object directory])
+ AC_MSG_RESULT([$ZFS_OBJ])
+ AC_SUBST(ZFS_OBJ)
+
+ LB_ZFS_SYMVERS
+ LB_ZFS_RELEASE
+
+ LB_PATH_SPL
+
+ LB_SPL_BUILD
+ LB_ZFS_BUILD
+
+fi
+
+AM_CONDITIONAL(SPL_BUILD, test x$enable_spl_build = xyes)
+AM_CONDITIONAL(ZFS_BUILD, test x$enable_zfs_build = xyes)
+AM_CONDITIONAL(ZFS_ENABLED, test x$with_zfs = xyes)
+])
+
+#
+# LB_ZFS_BUILD
+#
+# Optionally configure/make the zfs sources. If the sources are
+# determined to reside in-tree this feature will automatically be
+# enabled. If the sources are not in-tree it will be disabled.
+# Use --enable-zfs-build or --disable-zfs-build if you need to
+# override this behavior.
+#
+AC_DEFUN([LB_ZFS_BUILD],
+[
+AC_ARG_ENABLE([zfs-build],
+ AC_HELP_STRING([--enable-zfs-build], [enable zfs configure/make]),
+ [], [
+ ZFS_DIR_INTREE=$(readlink -f $PWD/zfs)
+ if test x$ZFS_DIR = x$ZFS_DIR_INTREE; then
+ enable_zfs_build='yes'
+ else
+ enable_zfs_build='no'
+ fi
+ ])
+
+AC_MSG_CHECKING([whether to build zfs])
+if test x$enable_zfs_build = xyes; then
+ AC_MSG_RESULT([$enable_zfs_build])
+
+ LB_CHECK_FILE([$ZFS_DIR/module/zfs/dmu.c], [], [
+ AC_MSG_ERROR([Complete zfs sources must exist when building.])])
+
+ LB_CHECK_FILE([$ZFS_DIR/configure], [], [
+ AC_MSG_ERROR([Complete zfs sources must exist when building.])])
+
+ ZFS_SUBDIR="$ZFS_DIR"
+ AC_SUBST(ZFS_SUBDIR)
+ AC_CONFIG_SUBDIRS("zfs")
+
+ ac_configure_args="$ac_configure_args --with-spl=$SPL_DIR"
+ ac_configure_args="$ac_configure_args --with-spl-obj=$SPL_OBJ"
+else
+ enable_zfs_build='no'
+ AC_MSG_RESULT([$enable_zfs_build])
+fi
+])
+
+#
+# LB_ZFS_SYMVERS
+#
+AC_DEFUN([LB_ZFS_SYMVERS],
+[
+AC_MSG_CHECKING([zfs module symbols])
+if test -r $ZFS_OBJ/Module.symvers; then
+ ZFS_SYMBOLS=Module.symvers
+elif test -r $ZFS_OBJ/Modules.symvers; then
+ ZFS_SYMBOLS=Modules.symvers
+elif test -r $ZFS_OBJ/module/Module.symvers; then
+ ZFS_SYMBOLS=Module.symvers
+elif test -r $ZFS_OBJ/module/Modules.symvers; then
+ ZFS_SYMBOLS=Modules.symvers
+else
+ ZFS_SYMBOLS=$SYMVERFILE
+fi
+
+AC_MSG_RESULT([$ZFS_SYMBOLS])
+AC_SUBST(ZFS_SYMBOLS)
+])
+
+#
+# LB_ZFS_RELEASE
+#
+AC_DEFUN([LB_ZFS_RELEASE],
+[
+AC_MSG_CHECKING([zfs source release])
+if test -r $ZFS_OBJ/zfs_config.h; then
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-I$ZFS_DIR $EXTRA_KCFLAGS"
+ LB_LINUX_TRY_MAKE([
+ #include <$ZFS_OBJ/zfs_config.h>
+ ],[
+ char *ZFS_RELEASE;
+ ZFS_RELEASE=ZFS_META_VERSION;
+ ],[
+ $makerule LUSTRE_KERNEL_TEST=conftest.i
+ ],[
+ test -s build/conftest.i
+ ],[
+ eval $(grep "ZFS_RELEASE=" build/conftest.i)
+ ],[
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not preprocess test program.])
+ ])
+ EXTRA_KCFLAGS="$tmp_flags"
+ rm build/conftest.i
+elif test -r $ZFS_DIR/META; then
+ ZFS_RELEASE=$(awk '/Version/ { print [$]2 }' $ZFS_DIR/META)
+else
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not locate zfs_config.h or META to check release.])
+fi
+
+if test x$ZFS_RELEASE = x; then
+ AC_MSG_RESULT([unknown])
+ AC_MSG_ERROR([Could not determine zfs release.])
+fi
+
+AC_MSG_RESULT([$ZFS_RELEASE])
+AC_SUBST(ZFS_RELEASE)
+])
+
+#
+# LB_ZFS_DEFINE_OPTIONS
+#
+AC_DEFUN([LB_ZFS_DEFINE_OPTIONS],
+[
+AC_DEFINE(HAVE_ZFS_OSD, 1, Enable zfs osd)
+])
git://git.whamcloud.com / fs / lustre-release.git / commitdiff