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-rw-r--r--c/src/exec/libcsupport/src/libio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/c/src/exec/libcsupport/src/libio.c b/c/src/exec/libcsupport/src/libio.c
index cdb89e22de..12682c1190 100644
--- a/c/src/exec/libcsupport/src/libio.c
+++ b/c/src/exec/libcsupport/src/libio.c
@@ -37,7 +37,7 @@ Objects_Id rtems_libio_semaphore;
#define RTEMS_LIBIO_SEM rtems_build_name('L', 'B', 'I', 'O')
#define RTEMS_LIBIO_IOP_SEM(n) rtems_build_name('L', 'B', 'I', n)
-unsigned32 rtems_libio_number_iops;
+extern unsigned32 rtems_libio_number_iops;
rtems_libio_t *rtems_libio_iops;
rtems_libio_t *rtems_libio_last_iop;