Linux 3.9 compat: Include linux/sched/rt.h

[mirror_spl-debian.git] / config / spl-build.m4

diff --git a/config/spl-build.m4 b/config/spl-build.m4
index 3dcc05e65da16aa09013d4aa8e4e1ae9303b9624..eef3a76aeaa7584057477d4fab3364061b36a1cb 100644 (file)
--- a/config/spl-build.m4
+++ b/config/spl-build.m4
@@ -88,6 +88,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
        SPL_AC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE
        SPL_AC_SHRINK_CONTROL_STRUCT
        SPL_AC_RWSEM_SPINLOCK_IS_RAW
+       SPL_AC_SCHED_RT_HEADER
 ])
 
 AC_DEFUN([SPL_AC_MODULE_SYMVERS], [
@@ -2217,3 +2218,22 @@ AC_DEFUN([SPL_AC_RWSEM_SPINLOCK_IS_RAW], [
        ])
        EXTRA_KCFLAGS="$tmp_flags"
 ])
+
+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)
+       ])
+])