Branch b_hd_kdmu

[fs/lustre-release.git] / build / autoconf / lustre-build.m4

diff --git a/build/autoconf/lustre-build.m4 b/build/autoconf/lustre-build.m4
index 51780bc..73707bb 100644 (file)
--- a/build/autoconf/lustre-build.m4
+++ b/build/autoconf/lustre-build.m4
@@ -305,7 +305,7 @@ AC_ARG_ENABLE([bgl],
        [enable_bgl='yes'],[enable_bgl='no'])
 AC_MSG_RESULT([$enable_bgl])
 if test x$enable_bgl != xno; then
-        AC_DEFINE(BGL_SUPPORT, 1, Enable BGL Features)
+        AC_DEFINE(HAVE_BGL_SUPPORT, 1, Enable BGL Features)
         enable_doc='no'
         enable_tests='no'
         enable_server='no'
@@ -359,21 +359,70 @@ AM_CONDITIONAL(POSIX_OSD_ENABLED, test x$posix_osd = xyes)
 # LB_PATH_DMU
 #
 AC_DEFUN([LB_PATH_DMU],
-[AC_MSG_CHECKING([whether to enable DMU])
-if test x$enable_uoss = xyes -a x$enable_posix_osd != xyes; then
-       DMU_SRC="$PWD/lustre/zfs-lustre"
+[AC_ARG_ENABLE([dmu],
+       AC_HELP_STRING([--enable-dmu],
+                      [enable the DMU backend]),
+       [],[with_dmu='default'])
+AC_MSG_CHECKING([whether to enable DMU])
+case x$with_dmu in
+       xyes)
+               dmu_osd='yes'
+               ;;
+       xno)
+               dmu_osd='no'
+               ;;
+       xdefault)
+               if test x$enable_uoss = xyes -a x$posix_osd != xyes; then
+                       # Enable the DMU if we're configuring a userspace server
+                       dmu_osd='yes'
+               else
+                       # Enable the DMU by default on the b_hd_kdmu branch
+                       if test -d $PWD/zfs -a x$linux25$enable_server = xyesyes; then
+                               dmu_osd='yes'
+                       else
+                               dmu_osd='no'
+                       fi
+               fi
+               ;;
+       *)
+               dmu_osd='yes'
+               ;;
+esac
+AC_MSG_RESULT([$dmu_osd])
+if test x$dmu_osd = xyes; then
        AC_DEFINE(DMU_OSD, 1, Enable DMU OSD)
-       AC_MSG_RESULT([yes])
-       LB_CHECK_FILE([$DMU_SRC/src/.patched],[],[
-               AC_MSG_ERROR([A complete (patched) DMU tree was not found.])
-       ])
-       AC_CONFIG_SUBDIRS(lustre/zfs-lustre)
-       dmu_osd='yes'
-else
-       AC_MSG_RESULT([no])
+       if test x$enable_uoss = xyes; then
+               # Userspace DMU
+               DMU_SRC="$PWD/lustre/zfs-lustre"
+               AC_SUBST(DMU_SRC)
+               LB_CHECK_FILE([$DMU_SRC/src/.patched],[],[
+                       AC_MSG_ERROR([A complete (patched) DMU tree was not found.])
+               ])
+               AC_CONFIG_SUBDIRS(lustre/zfs-lustre)
+       else
+               # Kernel DMU
+               SPL_DIR="$PWD/spl"
+               ZFS_DIR="$PWD/zfs"
+               AC_SUBST(SPL_DIR)
+               AC_SUBST(ZFS_DIR)
+
+               AC_SUBST(spl_src)
+
+               LB_CHECK_FILE([$SPL_DIR/modules/spl/spl-generic.c],[],[
+                       AC_MSG_ERROR([A complete SPL tree was not found in $SPL_DIR.])
+               ])
+
+               LB_CHECK_FILE([$ZFS_DIR/zfs/lib/libzpool/dmu.c],[],[
+                       AC_MSG_ERROR([A complete kernel DMU tree was not found in $ZFS_DIR.])
+               ])
+
+               AC_CONFIG_SUBDIRS(spl)
+               ac_configure_args="$ac_configure_args --with-spl=$SPL_DIR"
+               AC_CONFIG_SUBDIRS(zfs)
+       fi
 fi
-AC_SUBST(DMU_SRC)
 AM_CONDITIONAL(DMU_OSD_ENABLED, test x$dmu_osd = xyes)
+AM_CONDITIONAL(KDMU, test x$dmu_osd$enable_uoss = xyesno)
 ])
 
 #
@@ -684,20 +733,20 @@ LB_PROG_CC
 
 LB_UOSS
 LB_POSIX_OSD
-LB_PATH_DMU
 
 LB_CONFIG_DOCS
 LB_CONFIG_UTILS
 LB_CONFIG_TESTS
 LC_CONFIG_CLIENT_SERVER
 
-# three macros for cmd3 
-LC_CONFIG_SPLIT
-LC_CONFIG_LDISKFS
+# two macros for cmd3 
+m4_ifdef([LC_CONFIG_SPLIT], [LC_CONFIG_SPLIT])
 LN_CONFIG_CDEBUG
+LC_QUOTA
 
 LB_CONFIG_MODULES
 
+LB_PATH_DMU
 LB_PATH_LIBSYSIO
 LB_PATH_SNMP
 LB_PATH_LDISKFS