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-rw-r--r--util/nvramtool/common.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/util/nvramtool/common.h b/util/nvramtool/common.h
index a247380bce..c8ea92a588 100644
--- a/util/nvramtool/common.h
+++ b/util/nvramtool/common.h
@@ -53,7 +53,12 @@
#define INW(x) __extension__ ({ u_int tmp = (x); inw(tmp); })
#define INL(x) __extension__ ({ u_int tmp = (x); inl(tmp); })
#else
+#if defined(__GLIBC__)
#include <sys/io.h>
+#endif
+#if (defined(__MACH__) && defined(__APPLE__))
+#include <DirectIO/darwinio.h>
+#endif
#define OUTB outb
#define OUTW outw
#define OUTL outl