2 files changed, 31 insertions, 18 deletions
diff --git a/indra/llcommon/llpreprocessor.h b/indra/llcommon/llpreprocessor.h
index b499a9ce10..d2a29d06b4 100644
--- a/indra/llcommon/llpreprocessor.h
+++ b/indra/llcommon/llpreprocessor.h
@@ -76,6 +76,23 @@
     #endif
 #endif
 
+// Set up CPU architecture defines
+#if LL_MSVC && defined(_M_ARM64)
+#      define LL_ARM64 1
+#elif LL_GNUC && (defined(__arm64__) || defined(__aarch64__))
+#      define LL_ARM64 1
+#elif LL_MSVC && _M_X64
+#      define LL_X86_64 1
+#      define LL_X86 1
+#elif LL_MSVC && _M_IX86
+#      define LL_X86 1
+#elif LL_GNUC && ( defined(__amd64__) || defined(__x86_64__) )
+#      define LL_X86_64 1
+#      define LL_X86 1
+#elif LL_GNUC && ( defined(__i386__) )
+#      define LL_X86 1
+#endif
+
 // Deal with minor differences on Unixy OSes.
 #if LL_DARWIN || LL_LINUX
     // Different name, same functionality.
@@ -118,11 +135,8 @@
 #if LL_WINDOWS
 #define LL_DLLEXPORT __declspec(dllexport)
 #define LL_DLLIMPORT __declspec(dllimport)
-#elif LL_LINUX
-#define LL_DLLEXPORT __attribute__ ((visibility("default")))
-#define LL_DLLIMPORT
 #else
-#define LL_DLLEXPORT
+#define LL_DLLEXPORT __attribute__ ((visibility("default")))
 #define LL_DLLIMPORT
 #endif // LL_WINDOWS
 
@@ -187,4 +201,16 @@
 #define LL_PRETTY_FUNCTION __PRETTY_FUNCTION__
 #endif
 
+#if LL_ARM64
+#define GLM_FORCE_NEON 1
+#else
+#define GLM_FORCE_SSE2 1
+#endif
+
+#if LL_ARM64
+#define KDU_NEON_INTRINSICS 1
+#else
+#define KDU_X86_INTRINSICS 1
+#endif
+
 #endif  //  not LL_LINDEN_PREPROCESSOR_H
diff --git a/indra/llcommon/llprocessor.h b/indra/llcommon/llprocessor.h
index f8ccf686c8..b955f7f55c 100644
--- a/indra/llcommon/llprocessor.h
+++ b/indra/llcommon/llprocessor.h
@@ -28,20 +28,7 @@
 #ifndef LLPROCESSOR_H
 #define LLPROCESSOR_H
 #include "llunits.h"
-
-#if LL_MSVC && _M_X64
-#      define LL_X86_64 1
-#      define LL_X86 1
-#elif LL_MSVC && _M_IX86
-#      define LL_X86 1
-#elif LL_GNUC && ( defined(__amd64__) || defined(__x86_64__) )
-#      define LL_X86_64 1
-#      define LL_X86 1
-#elif LL_GNUC && ( defined(__i386__) )
-#      define LL_X86 1
-#elif LL_GNUC && ( defined(__powerpc__) || defined(__ppc__) )
-#      define LL_PPC 1
-#endif
+#include "llpreprocessor.h"
 
 class LLProcessorInfoImpl;