As of GCC 4.6, specific kernel 2.6.32 header files do not compile
cleanly without warnings. One specific example of this is the
arch/x86/include/asm/percpu.h file. Thus, a few of the configure tests
were getting hung up on this and the '-Wno-unsued-but-set-variables'
compile option had to be introduced.
Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #459
12 files changed:
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS], [
AC_MSG_CHECKING([block device operation prototypes])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS], [
AC_MSG_CHECKING([block device operation prototypes])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
],[
AC_MSG_RESULT(struct inode)
])
],[
AC_MSG_RESULT(struct inode)
])
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE], [
AC_MSG_CHECKING([whether bdev_logical_block_size() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE], [
AC_MSG_CHECKING([whether bdev_logical_block_size() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_END_REQUEST], [
AC_MSG_CHECKING([whether blk_end_request() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_END_REQUEST], [
AC_MSG_CHECKING([whether blk_end_request() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
AC_DEFINE(HAVE_BLK_END_REQUEST_GPL_ONLY, 1,
[blk_end_request() is GPL-only])
])
AC_DEFINE(HAVE_BLK_END_REQUEST_GPL_ONLY, 1,
[blk_end_request() is GPL-only])
])
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_FETCH_REQUEST], [
AC_MSG_CHECKING([whether blk_fetch_request() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_FETCH_REQUEST], [
AC_MSG_CHECKING([whether blk_fetch_request() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_REQUEUE_REQUEST], [
AC_MSG_CHECKING([whether blk_requeue_request() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_REQUEUE_REQUEST], [
AC_MSG_CHECKING([whether blk_requeue_request() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
AC_MSG_CHECKING([whether blk_rq_bytes() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
AC_MSG_CHECKING([whether blk_rq_bytes() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
AC_DEFINE(HAVE_BLK_RQ_BYTES_GPL_ONLY, 1,
[blk_rq_bytes() is GPL-only])
])
AC_DEFINE(HAVE_BLK_RQ_BYTES_GPL_ONLY, 1,
[blk_rq_bytes() is GPL-only])
])
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_POS], [
AC_MSG_CHECKING([whether blk_rq_pos() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_POS], [
AC_MSG_CHECKING([whether blk_rq_pos() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_SECTORS], [
AC_MSG_CHECKING([whether blk_rq_sectors() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_SECTORS], [
AC_MSG_CHECKING([whether blk_rq_sectors() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [
AC_MSG_CHECKING([whether get_disk_ro() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [
AC_MSG_CHECKING([whether get_disk_ro() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT], [
AC_MSG_CHECKING([whether rq_for_each_segment() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT], [
AC_MSG_CHECKING([whether rq_for_each_segment() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
dnl #
AC_DEFUN([ZFS_AC_KERNEL_RQ_IS_SYNC], [
AC_MSG_CHECKING([whether rq_is_sync() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_RQ_IS_SYNC], [
AC_MSG_CHECKING([whether rq_is_sync() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking block device operation prototypes" >&5
$as_echo_n "checking block device operation prototypes... " >&6; }
{ $as_echo "$as_me:$LINENO: checking block device operation prototypes" >&5
$as_echo_n "checking block device operation prototypes... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether kernel defines fmode_t" >&5
$as_echo_n "checking whether kernel defines fmode_t... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether kernel defines fmode_t" >&5
$as_echo_n "checking whether kernel defines fmode_t... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether bdev_logical_block_size() is available" >&5
$as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether bdev_logical_block_size() is available" >&5
$as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether bio_empty_barrier() is defined" >&5
{ $as_echo "$as_me:$LINENO: checking whether bio_empty_barrier() is defined" >&5
{ $as_echo "$as_me:$LINENO: checking whether blk_end_request() is available" >&5
$as_echo_n "checking whether blk_end_request() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_end_request() is available" >&5
$as_echo_n "checking whether blk_end_request() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_fetch_request() is available" >&5
$as_echo_n "checking whether blk_fetch_request() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_fetch_request() is available" >&5
$as_echo_n "checking whether blk_fetch_request() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_requeue_request() is available" >&5
$as_echo_n "checking whether blk_requeue_request() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_requeue_request() is available" >&5
$as_echo_n "checking whether blk_requeue_request() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_bytes() is available" >&5
$as_echo_n "checking whether blk_rq_bytes() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_bytes() is available" >&5
$as_echo_n "checking whether blk_rq_bytes() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_pos() is available" >&5
$as_echo_n "checking whether blk_rq_pos() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_pos() is available" >&5
$as_echo_n "checking whether blk_rq_pos() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_sectors() is available" >&5
$as_echo_n "checking whether blk_rq_sectors() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_sectors() is available" >&5
$as_echo_n "checking whether blk_rq_sectors() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether get_disk_ro() is available" >&5
$as_echo_n "checking whether get_disk_ro() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether get_disk_ro() is available" >&5
$as_echo_n "checking whether get_disk_ro() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether rq_is_sync() is available" >&5
$as_echo_n "checking whether rq_is_sync() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether rq_is_sync() is available" >&5
$as_echo_n "checking whether rq_is_sync() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
$as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
$as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
$as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
$as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }
{ $as_echo "$as_me:$LINENO: checking block device operation prototypes" >&5
$as_echo_n "checking block device operation prototypes... " >&6; }
{ $as_echo "$as_me:$LINENO: checking block device operation prototypes" >&5
$as_echo_n "checking block device operation prototypes... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether kernel defines fmode_t" >&5
$as_echo_n "checking whether kernel defines fmode_t... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether kernel defines fmode_t" >&5
$as_echo_n "checking whether kernel defines fmode_t... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether bdev_logical_block_size() is available" >&5
$as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether bdev_logical_block_size() is available" >&5
$as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether bio_empty_barrier() is defined" >&5
{ $as_echo "$as_me:$LINENO: checking whether bio_empty_barrier() is defined" >&5
{ $as_echo "$as_me:$LINENO: checking whether blk_end_request() is available" >&5
$as_echo_n "checking whether blk_end_request() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_end_request() is available" >&5
$as_echo_n "checking whether blk_end_request() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_fetch_request() is available" >&5
$as_echo_n "checking whether blk_fetch_request() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_fetch_request() is available" >&5
$as_echo_n "checking whether blk_fetch_request() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_requeue_request() is available" >&5
$as_echo_n "checking whether blk_requeue_request() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_requeue_request() is available" >&5
$as_echo_n "checking whether blk_requeue_request() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_bytes() is available" >&5
$as_echo_n "checking whether blk_rq_bytes() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_bytes() is available" >&5
$as_echo_n "checking whether blk_rq_bytes() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_pos() is available" >&5
$as_echo_n "checking whether blk_rq_pos() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_pos() is available" >&5
$as_echo_n "checking whether blk_rq_pos() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_sectors() is available" >&5
$as_echo_n "checking whether blk_rq_sectors() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether blk_rq_sectors() is available" >&5
$as_echo_n "checking whether blk_rq_sectors() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether get_disk_ro() is available" >&5
$as_echo_n "checking whether get_disk_ro() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether get_disk_ro() is available" >&5
$as_echo_n "checking whether get_disk_ro() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether rq_is_sync() is available" >&5
$as_echo_n "checking whether rq_is_sync() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether rq_is_sync() is available" >&5
$as_echo_n "checking whether rq_is_sync() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
$as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
$as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
cat confdefs.h - <<_ACEOF >conftest.c
cat confdefs.h - <<_ACEOF >conftest.c
+ EXTRA_KCFLAGS="$tmp_flags"
{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
$as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }
{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
$as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }