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-rw-r--r--include/acpi/platform/acgcc.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index e877a35ee977..97a7e21cfbe0 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -48,7 +48,17 @@
* Use compiler specific <stdarg.h> is a good practice for even when
* -nostdinc is specified (i.e., ACPI_USE_STANDARD_HEADERS undefined.
*/
+#ifndef va_arg
+#ifdef ACPI_USE_BUILTIN_STDARG
+typedef __builtin_va_list va_list;
+#define va_start(v, l) __builtin_va_start(v, l)
+#define va_end(v) __builtin_va_end(v)
+#define va_arg(v, l) __builtin_va_arg(v, l)
+#define va_copy(d, s) __builtin_va_copy(d, s)
+#else
#include <stdarg.h>
+#endif
+#endif
#define ACPI_INLINE __inline__