I have worked around the build failure for the time being via the patch below -
but I guess there must be a better way.
Thanks,
Ingo
tools/include/linux/bitops.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 5ad9ee1dd7f6..49c929a104ee 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -9,7 +9,9 @@
#define __WORDSIZE (__SIZEOF_LONG__ * 8)
#endif
-#define BITS_PER_LONG __WORDSIZE
+#ifndef BITS_PER_LONG
+# define BITS_PER_LONG __WORDSIZE
+#endif
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
