configurable-dux-kernel-header-path-20010710

[openafs.git] / configure.in

diff --git a/configure.in b/configure.in
index 95e2448..e824c0a 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -21,6 +21,9 @@ AC_ARG_ENABLE( fast-restart,
 [  --enable-fast-restart               enable fast startup of file server without salvaging],, enable_fast_restart="no")
 AC_ARG_ENABLE( bitmap-later,
 [  --enable-bitmap-later               enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
+AC_ARG_WITH(dux-kernel-headers,
+[  --with-dux-kernel-headers=path      use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
+)
 AC_ARG_WITH(linux-kernel-headers,
 [  --with-linux-kernel-headers=path            use the kernel headers found at path(optional, defaults to /usr/src/linux)]
 )
@@ -71,12 +74,17 @@ case $system in
                    LINUX_VERSION="$linux_kvers"
                  fi
                 else
+                    enable_kernel_module="no"
+                 fi
+                if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
+                    enable_kernel_module="no"
+                fi
+                if test "x$enable_kernel_module" = "xno"; then
                  if test "x$with_linux_kernel_headers" != "x"; then
-                  AC_MSG_ERROR(No linux headers found at $LINUX_KERNEL_PATH)
+                  AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
                   exit 1
                  else
-                  AC_MSG_WARN(No linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
-                  enable_kernel_module="no"
+                  AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
                  fi
                 fi
                fi
@@ -84,6 +92,9 @@ case $system in
                if test "x$enable_kernel_module" = "xyes"; then
                 LINUX_FS_STRUCT_INODE_HAS_I_BYTES
                 LINUX_INODE_SETATTR_RETURN_TYPE
+                LINUX_NEED_RHCONFIG
+                LINUX_WHICH_MODULES
+                :
                fi
                 ;;
         *-solaris*)
@@ -105,6 +116,17 @@ case $system in
         *-osf*)
                MKAFS_OSTYPE=DUX
                 AC_MSG_RESULT(alpha_dux)
+               if test "x$enable_kernel_module" = "xyes"; then
+                if test "x$with_dux_kernel_headers" != "x"; then
+                  HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
+                else
+                  HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
+                fi
+               fi
+               if test "$HEADER_RT" = "*" ; then
+                       AC_MSG_ERROR([Need a configured kernel directory])
+               fi
+               AC_SUBST([HEADER_RT])
                 ;;
         *-darwin*)
                MKAFS_OSTYPE=DARWIN