Branch HEAD

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index f893099..4ba3d8a 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -7,6 +7,7 @@
 #
 AC_DEFUN([LC_CONFIG_SRCDIR],
 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
+libcfs_is_module=yes
 ])
 
 #
@@ -877,19 +878,6 @@ LB_LINUX_TRY_COMPILE([
 ])
 ])
 
-# LC_SYMVERFILE
-# SLES 9 uses a different name for this file - unsure about vanilla kernels
-# around this version, but it matters for servers only.
-AC_DEFUN([LC_SYMVERFILE],
-         [AC_MSG_CHECKING([name of symverfile])
-          if grep -q Modules.symvers $LINUX/scripts/Makefile.modpost ; then
-              SYMVERFILE=Modules.symvers
-          else
-              SYMVERFILE=Module.symvers
-          fi
-         AC_MSG_RESULT($SYMVERFILE)
-          AC_SUBST(SYMVERFILE)])
-
 # LC_DQUOTOFF_MUTEX
 # after 2.6.17 dquote use mutex instead if semaphore
 AC_DEFUN([LC_DQUOTOFF_MUTEX],
@@ -1445,6 +1433,22 @@ LB_LINUX_TRY_COMPILE([
 ])
 ])
 
+#
+# check for FS_RENAME_DOES_D_MOVE flag
+#
+AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
+[AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
+LB_LINUX_TRY_COMPILE([
+        #include <linux/fs.h>
+],[
+        int v = FS_RENAME_DOES_D_MOVE;
+],[
+        AC_MSG_RESULT([yes])
+        AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
+],[
+        AC_MSG_RESULT([no])
+])
+])
 
 #
 # LC_PROG_LINUX
@@ -1520,9 +1524,6 @@ AC_DEFUN([LC_PROG_LINUX],
          # 2.6.15
          LC_INODE_I_MUTEX
 
-         # SLES 10 (at least)
-         LC_SYMVERFILE
-
          # 2.6.17
          LC_DQUOTOFF_MUTEX
 
@@ -1552,6 +1553,7 @@ AC_DEFUN([LC_PROG_LINUX],
         # 2.6.22
          LC_INVALIDATE_BDEV_2ARG
          LC_ASYNC_BLOCK_CIPHER
+         LC_FS_RENAME_DOES_D_MOVE
          # 2.6.23
          LC_UNREGISTER_BLKDEV_RETURN_INT
          LC_KERNEL_SPLICE_READ
@@ -1609,11 +1611,8 @@ AC_ARG_ENABLE([liblustre-acl],
        AC_HELP_STRING([--disable-liblustre-acl],
                        [disable ACL support for liblustre]),
        [],[enable_liblustre_acl=yes])
-if test x$enable_liblustre != xyes ; then
-   enable_liblustre_acl='no'
-fi
 AC_MSG_RESULT([$enable_liblustre_acl])
-if test x$enable_liblustre_acl != xno ; then
+if test x$enable_liblustre_acl = xyes ; then
   AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
 fi