From f620ffe8990dd94bc063778f59f101488153fb99 Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Mon, 3 Jun 2019 18:40:12 +0700
Subject: [PATCH] #1026 Probably fixed iOS build.

---
 cmake/flags.cmake                        | 7 +++++++
 src/common/cpu/BasicCpuInfo_arm.cpp      | 7 ++++++-
 src/crypto/common/VirtualMemory_unix.cpp | 2 +-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index d50b5c84b..d00366282 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -81,3 +81,10 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
     endif()
 
 endif()
+
+if (NOT WIN32)
+    check_symbol_exists("__builtin___clear_cache" "stdlib.h" HAVE_BUILTIN_CLEAR_CACHE)
+    if (HAVE_BUILTIN_CLEAR_CACHE)
+        add_definitions(/DHAVE_BUILTIN_CLEAR_CACHE)
+    endif()
+endif()
diff --git a/src/common/cpu/BasicCpuInfo_arm.cpp b/src/common/cpu/BasicCpuInfo_arm.cpp
index 339613466..dea8de734 100644
--- a/src/common/cpu/BasicCpuInfo_arm.cpp
+++ b/src/common/cpu/BasicCpuInfo_arm.cpp
@@ -25,7 +25,8 @@
 #include <string.h>
 #include <thread>
 
-#if __ARM_FEATURE_CRYPTO
+
+#if __ARM_FEATURE_CRYPTO && !defined(__APPLE__)
 #   include <sys/auxv.h>
 #   include <asm/hwcap.h>
 #endif
@@ -47,7 +48,11 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
 #   endif
 
 #   if __ARM_FEATURE_CRYPTO
+#   if !defined(__APPLE__)
     m_aes = getauxval(AT_HWCAP) & HWCAP_AES;
+#   else
+    m_aes = true;
+#   endif
 #   endif
 }
 
diff --git a/src/crypto/common/VirtualMemory_unix.cpp b/src/crypto/common/VirtualMemory_unix.cpp
index 9ae2bdf3c..0297520a1 100644
--- a/src/crypto/common/VirtualMemory_unix.cpp
+++ b/src/crypto/common/VirtualMemory_unix.cpp
@@ -66,7 +66,7 @@ void *xmrig::VirtualMemory::allocateLargePagesMemory(size_t size)
 
 void xmrig::VirtualMemory::flushInstructionCache(void *p, size_t size)
 {
-#   ifndef __FreeBSD__
+#   ifdef HAVE_BUILTIN_CLEAR_CACHE
     __builtin___clear_cache(reinterpret_cast<char*>(p), reinterpret_cast<char*>(p) + size);
 #   endif
 }