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-rw-r--r--libc/sysdeps/linux/alpha/sys/io.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/alpha/sys/io.h b/libc/sysdeps/linux/alpha/sys/io.h
index 9cb8d254b..48ba16ff4 100644
--- a/libc/sysdeps/linux/alpha/sys/io.h
+++ b/libc/sysdeps/linux/alpha/sys/io.h
@@ -23,6 +23,7 @@
__BEGIN_DECLS
+#if defined __UCLIBC_LINUX_SPECIFIC__
/* If TURN_ON is TRUE, request for permission to do direct i/o on the
port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
permission off for that range. This call requires root privileges.
@@ -32,12 +33,12 @@ __BEGIN_DECLS
E.g., Linux/Alpha for Alpha PCs supports this. */
extern int ioperm (unsigned long int __from, unsigned long int __num,
int __turn_on) __THROW;
-libc_hidden_proto(ioperm)
/* Set the I/O privilege level to LEVEL. If LEVEL>3, permission to
access any I/O port is granted. This call requires root
privileges. */
extern int iopl (int __level) __THROW;
+#endif /* __UCLIBC_LINUX_SPECIFIC__ */
/* Return the physical address of the DENSE I/O memory or NULL if none
is available (e.g. on a jensen). */