mpssd depends on headers available in kernels >= 3.13. Therefore
disable the build for kernels < 3.13. For kernels < 3.13, to avoid the
appearance of a build break simply print an error message and exit.
Reported-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Peter Foley <pefoley2@xxxxxxxxxxx>
Reviewed-by: Sudeep Dutt <sudeep.dutt@xxxxxxxxx>
Reviewed-by: Nikhil Rao <nikhil.rao@xxxxxxxxx>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx>
---
Documentation/mic/mpssd/mpssd.c | 15 +++++++++++++++
Documentation/mic/mpssd/sysfs.c | 5 +++++
2 files changed, 20 insertions(+)
diff --git a/Documentation/mic/mpssd/mpssd.c b/Documentation/mic/mpssd/mpssd.c
index 3c5c379..2cc48cc 100644
--- a/Documentation/mic/mpssd/mpssd.c
+++ b/Documentation/mic/mpssd/mpssd.c
@@ -18,6 +18,10 @@
* Intel MIC User Space Tools.
*/
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
+
#define _GNU_SOURCE
#include <stdlib.h>
@@ -1726,3 +1730,14 @@ main(int argc, char *argv[])
exit(0);
}
+#else /* kernel version < 3.13 */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+ fprintf(stderr, "mpssd is only usable against kernels >= 3.13\n");
+ exit(1);
+}
+#endif
diff --git a/Documentation/mic/mpssd/sysfs.c b/Documentation/mic/mpssd/sysfs.c
index 8dd3269..1e3ff75 100644
--- a/Documentation/mic/mpssd/sysfs.c
+++ b/Documentation/mic/mpssd/sysfs.c
@@ -18,6 +18,10 @@
* Intel MIC User Space Tools.
*/
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
+
#include "mpssd.h"
#define PAGE_SIZE 4096
@@ -100,3 +104,4 @@ done:
free(oldvalue);
return ret;
}
+#endif
--
2.0.0.rc3.2.g998f840
--
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