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-rw-r--r--gdb/testsuite/gdb.trace/ftrace-lock.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.trace/ftrace-lock.c b/gdb/testsuite/gdb.trace/ftrace-lock.c
index fd0d1f9..ed07694 100644
--- a/gdb/testsuite/gdb.trace/ftrace-lock.c
+++ b/gdb/testsuite/gdb.trace/ftrace-lock.c
@@ -16,6 +16,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <pthread.h>
+#include <unistd.h>
#include "trace-common.h"
/* Called if the testcase failed. */