Subject: [PATCH v3 01/21] selftests/powerpc: Compile selftests against headers without AT_HWCAP2

From: Cyril Bur <[email-masked]>
Date: Wed, 17 Aug 2016 13:43:03 +1000

It might be nice to compile selftests against older kernels and
headers but which may not have HWCAP2.

Signed-off-by: Cyril Bur <[email-masked]>
---
 tools/testing/selftests/powerpc/utils.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h
index fbd33e5..ecd11b5 100644
--- a/tools/testing/selftests/powerpc/utils.h
+++ b/tools/testing/selftests/powerpc/utils.h
@@ -32,10 +32,17 @@ static inline bool have_hwcap(unsigned long ftr)
 	return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;
 }
 
+#ifdef AT_HWCAP2
 static inline bool have_hwcap2(unsigned long ftr2)
 {
 	return ((unsigned long)get_auxv_entry(AT_HWCAP2) & ftr2) == ftr2;
 }
+#else
+static inline bool have_hwcap2(unsigned long ftr2)
+{
+	return false;
+}
+#endif
 
 /* Yes, this is evil */
 #define FAIL_IF(x)						\
-- 
2.9.3