diff options
| author | Brian Behlendorf <[email protected]> | 2018-02-07 11:50:24 -0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-02-07 11:50:24 -0800 |
| commit | 48ef8ba07094afcd67355940ca8db92d76f7c096 (patch) | |
| tree | c0f847b7ce7c93950d313ca7708bce4bc1f3621e /config/kernel-sched.m4 | |
| parent | 5461eefe50427a8f8caf0b92f0195c754bed8ec6 (diff) | |
Split spl-build.m4
Split the kernel interface configure checks in to seperate m4
macro files. This is intended to facilitate moving the spl
source code in to the zfs repository.
Reviewed-by: Tony Hutter <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #682
Diffstat (limited to 'config/kernel-sched.m4')
| -rw-r--r-- | config/kernel-sched.m4 | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/config/kernel-sched.m4 b/config/kernel-sched.m4 new file mode 100644 index 000000000..5ae21676e --- /dev/null +++ b/config/kernel-sched.m4 @@ -0,0 +1,56 @@ +dnl # +dnl # 3.9 API change, +dnl # Moved things from linux/sched.h to linux/sched/rt.h +dnl # +AC_DEFUN([SPL_AC_SCHED_RT_HEADER], + [AC_MSG_CHECKING([whether header linux/sched/rt.h exists]) + SPL_LINUX_TRY_COMPILE([ + #include <linux/sched.h> + #include <linux/sched/rt.h> + ],[ + return 0; + ],[ + AC_DEFINE(HAVE_SCHED_RT_HEADER, 1, [linux/sched/rt.h exists]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # +dnl # 4.11 API change, +dnl # Moved things from linux/sched.h to linux/sched/signal.h +dnl # +AC_DEFUN([SPL_AC_SCHED_SIGNAL_HEADER], + [AC_MSG_CHECKING([whether header linux/sched/signal.h exists]) + SPL_LINUX_TRY_COMPILE([ + #include <linux/sched.h> + #include <linux/sched/signal.h> + ],[ + return 0; + ],[ + AC_DEFINE(HAVE_SCHED_SIGNAL_HEADER, 1, [linux/sched/signal.h exists]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]) +]) +dnl # +dnl # 3.19 API change +dnl # The io_schedule_timeout() function is present in all 2.6.32 kernels +dnl # but it was not exported until Linux 3.19. The RHEL 7.x kernels which +dnl # are based on a 3.10 kernel do export this symbol. +dnl # +AC_DEFUN([SPL_AC_IO_SCHEDULE_TIMEOUT], [ + AC_MSG_CHECKING([whether io_schedule_timeout() is available]) + SPL_LINUX_TRY_COMPILE_SYMBOL([ + #include <linux/sched.h> + ], [ + (void) io_schedule_timeout(1); + ], [io_schedule_timeout], [], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_IO_SCHEDULE_TIMEOUT, 1, [yes]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |