Messages in this thread Patch in this message | | | From | Ashutosh Dixit <> | Subject | [PATCH linux-next] Documentation: mic: mpssd: Disable mpssd builds for kernels < 3.13 | Date | Tue, 23 Sep 2014 14:55:14 -0700 |
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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@linux-foundation.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Peter Foley <pefoley2@pefoley.com> Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com> Reviewed-by: Nikhil Rao <nikhil.rao@intel.com> Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> --- 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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