2.4 kernels do not have the ext3 xattr config flag that 2.6 kernels have.

So it must only warn, not abort.

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 4b8cabe..8a39b46 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -263,10 +263,13 @@ AC_SUBST(BACKINGFS)
 case $BACKINGFS in
        ext3)
                # --- Check that ext3 and ext3 xattr are enabled in the kernel
 case $BACKINGFS in
        ext3)
                # --- Check that ext3 and ext3 xattr are enabled in the kernel

+                # --- only warn for ext3 xattr because 2.4 kernels don't have
+                # --- this config flag.

                LC_CONFIG_EXT3([],[
                        AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
                ],[
                LC_CONFIG_EXT3([],[
                        AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
                ],[

-                       AC_MSG_ERROR([Lustre requires that extended attributes for ext3 are enabled in the kernel])
+                        AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
+                        AC_MSG_WARN([This build may fail.])

                ])
                ;;
        ldiskfs)
                ])
                ;;
        ldiskfs)