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-rw-r--r--libc/sysdeps/linux/common/bits/uClibc_stdio.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/uClibc_stdio.h b/libc/sysdeps/linux/common/bits/uClibc_stdio.h
index 095220aa6..7d1df6ce9 100644
--- a/libc/sysdeps/linux/common/bits/uClibc_stdio.h
+++ b/libc/sysdeps/linux/common/bits/uClibc_stdio.h
@@ -205,6 +205,7 @@ typedef _IO_cookie_io_functions_t cookie_io_functions_t;
/**********************************************************************/
#if defined __UCLIBC_HAS_THREADS__ && !defined __UCLIBC_IO_MUTEX
+/* keep this in sync with uClibc_mutex.h */
# ifdef __USE_STDIO_FUTEXES__
# include <bits/stdio-lock.h>
# define __UCLIBC_IO_MUTEX(M) _IO_lock_t M