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Diffstat (limited to 'sys/i386/include/ioctl_bt848.h')
-rw-r--r--sys/i386/include/ioctl_bt848.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/i386/include/ioctl_bt848.h b/sys/i386/include/ioctl_bt848.h
index c87c4b9320a4..ca83a36cdb5a 100644
--- a/sys/i386/include/ioctl_bt848.h
+++ b/sys/i386/include/ioctl_bt848.h
@@ -29,7 +29,9 @@
#ifndef _MACHINE_IOCTL_BT848_H_
#define _MACHINE_IOCTL_BT848_H_
-#if defined(__GNUC__) || defined(__INTEL_COMPILER)
+#include <sys/cdefs.h>
+
+#ifdef __CC_SUPPORTS_WARNING
#warning Include dev/bktr/ioctl_bt848.h instead of this header.
#endif