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-rw-r--r--cpukit/libcsupport/src/sync.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/sync.c b/cpukit/libcsupport/src/sync.c
index 9f6e31ba0c..214e42c631 100644
--- a/cpukit/libcsupport/src/sync.c
+++ b/cpukit/libcsupport/src/sync.c
@@ -29,6 +29,7 @@ int fdatasync(int); /* still not always prototyped */
#include <stdio.h>
#include <rtems.h>
+#include <rtems/score/percpu.h>
/* XXX check standards -- Linux version appears to be void */
void _fwalk(struct _reent *, void *);