gettime: hide fio_gtod_cpumask if not used

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/gettime-thread.c b/gettime-thread.c
index 65ca83419d0f6f82ba5bab3c270ea81f1cd80c5c..2dc976fb42c7bbb5b4deedc0746d5577bd5c1e0b 100644 (file)
--- a/gettime-thread.c
+++ b/gettime-thread.c
@@ -8,8 +8,10 @@
 
 struct timeval *fio_tv = NULL;
 int fio_gtod_offload = 0;
-static os_cpu_mask_t fio_gtod_cpumask;
 static pthread_t gtod_thread;
+#ifdef FIO_HAVE_CPU_AFFINITY
+static os_cpu_mask_t fio_gtod_cpumask;
+#endif
 
 void fio_gtod_init(void)
 {