diff options
| author | Brian Behlendorf <[email protected]> | 2010-08-26 11:22:58 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2010-08-31 13:41:27 -0700 |
| commit | c9c0d073da561bcbefbdf09c87fc75b227415619 (patch) | |
| tree | 7daee55ae61526107f421de48171573fa5a15d28 /config/kernel-get-disk-ro.m4 | |
| parent | 40b84e7aec6392187722e61e5a4a853b530bf60f (diff) | |
Add build system
Add autoconf style build infrastructure to the ZFS tree. This
includes autogen.sh, configure.ac, m4 macros, some scripts/*,
and makefiles for all the core ZFS components.
Diffstat (limited to 'config/kernel-get-disk-ro.m4')
| -rw-r--r-- | config/kernel-get-disk-ro.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/config/kernel-get-disk-ro.m4 b/config/kernel-get-disk-ro.m4 new file mode 100644 index 000000000..365afdbc6 --- /dev/null +++ b/config/kernel-get-disk-ro.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.x API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [ + AC_MSG_CHECKING([whether get_disk_ro() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/blkdev.h> + ],[ + struct gendisk *disk = NULL; + (void) get_disk_ro(disk); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_DISK_RO, 1, + [blk_disk_ro() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |