From ed211f0a85f44c1e0987e1488e376b4020499587 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Mon, 16 May 2016 18:42:40 -0400
Subject: [PATCH] Use CRYPTOPP_BOOL_ARM_CRC32_INTRINSICS_AVAILABLE to detect
 extension

---
 crc.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crc.cpp b/crc.cpp
index b007dd4f..738d1238 100644
--- a/crc.cpp
+++ b/crc.cpp
@@ -131,7 +131,7 @@ CRC32::CRC32()
 
 void CRC32::Update(const byte *s, size_t n)
 {
-#if defined(__ARM_FEATURE_CRC32)
+#if (CRYPTOPP_BOOL_ARM_CRC32_INTRINSICS_AVAILABLE)
 	if (HasCRC32())
 	{
 		for(; !IsAligned<word32>(s) && n > 0; s++, n--)
@@ -313,7 +313,7 @@ void CRC32C::Update(const byte *s, size_t n)
 
 		return;
 	}
-#elif defined(__ARM_FEATURE_CRC32)
+#elif (CRYPTOPP_BOOL_ARM_CRC32_INTRINSICS_AVAILABLE)
 	if (HasCRC32())
 	{
 		for(; !IsAligned<word32>(s) && n > 0; s++, n--)