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-rw-r--r--usr/src/uts/intel/sys/acpi/platform/acsolaris.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/usr/src/uts/intel/sys/acpi/platform/acsolaris.h b/usr/src/uts/intel/sys/acpi/platform/acsolaris.h
index 3931916d77..b19007c589 100644
--- a/usr/src/uts/intel/sys/acpi/platform/acsolaris.h
+++ b/usr/src/uts/intel/sys/acpi/platform/acsolaris.h
@@ -70,7 +70,7 @@ uint32_t acpi_strtoul(const char *, char **, int);
* we need to have private definitions here.
*/
#define ACPI_PRINTF_LIKE(c) __PRINTFLIKE(c)
-#define ACPI_UNUSED_VAR __unused
+#define ACPI_UNUSED_VAR __attribute__((__unused__))
#define ACPI_USE_NATIVE_DIVIDE
#define ACPI_FLUSH_CPU_CACHE() (__acpi_wbinvd())