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-rw-r--r--tools/include/linux/compiler-gcc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index a3a4427441bf..70fe61295733 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -21,6 +21,9 @@
/* &a[0] degrades to a pointer: a different type from an array */
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
+#ifndef __pure
+#define __pure __attribute__((pure))
+#endif
#define noinline __attribute__((noinline))
#ifndef __packed
#define __packed __attribute__((packed))