From 9538f2d71544fd48c55dc94cbc12ae24d26cef45 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Sat, 1 Jun 2019 08:05:39 -0400
Subject: [PATCH] Fix compile on iOS

---
 misc.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/misc.h b/misc.h
index 6bcd554e..75ce5cd0 100644
--- a/misc.h
+++ b/misc.h
@@ -67,11 +67,13 @@
 #include <byteswap.h>
 #endif
 
-#if (defined(__GNUC__) || defined(__clang__)) && (__ARM_ARCH >= 6)
+// Apple Clang does not consume the GCC inline assembly as expected
+#if (defined(__GNUC__) && !defined(__clang__)) && (__ARM_ARCH >= 6)
 #define CRYPTOPP_ARM_BYTEREV_AVAILABLE 1
 #endif
 
-#if (defined(__GNUC__) || defined(__clang__)) && (__ARM_ARCH >= 7)
+// Apple Clang does not consume the GCC inline assembly as expected
+#if (defined(__GNUC__) && !defined(__clang__)) && (__ARM_ARCH >= 7)
 #define CRYPTOPP_ARM_BITREV_AVAILABLE 1
 #endif