mirror of
https://git.FreeBSD.org/src.git
synced 2024-10-19 02:29:40 +00:00
c9c0d073da
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.
39 lines
976 B
Plaintext
39 lines
976 B
Plaintext
dnl #
|
|
dnl # 2.6.29 API change
|
|
dnl # In the 2.6.29 kernel blk_rq_bytes() was available as a GPL-only symbol.
|
|
dnl # So we need to check the symbol license as well. As of 2.6.31 the
|
|
dnl blk_rq_bytes() helper was changed to a static inline which we can use.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
|
|
AC_MSG_CHECKING([whether blk_rq_bytes() is available])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct request *req = NULL;
|
|
(void) blk_rq_bytes(req);
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLK_RQ_BYTES, 1,
|
|
[blk_rq_bytes() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
|
|
AC_MSG_CHECKING([whether blk_rq_bytes() is GPL-only])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/module.h>
|
|
#include <linux/blkdev.h>
|
|
|
|
MODULE_LICENSE("CDDL");
|
|
],[
|
|
struct request *req = NULL;
|
|
(void) blk_rq_bytes(req);
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLK_RQ_BYTES_GPL_ONLY, 1,
|
|
[blk_rq_bytes() is GPL-only])
|
|
])
|
|
])
|