From bc0f943c6bfb3cf1dad50154953722d325d6b998 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Sat, 20 May 2017 17:59:21 -0400
Subject: [PATCH] Add defines for GCC_INLINE and GCC_INLINE_ATTRIB (Issues 427
 and 428)

---
 cpu.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cpu.h b/cpu.h
index 8d1db36e..d833f95c 100644
--- a/cpu.h
+++ b/cpu.h
@@ -32,6 +32,18 @@
 # endif
 #endif  // ARM32 and ARM64 Headers
 
+// Used when supplying ASM due to missing intrinsics
+#if defined(__clang__)
+#  define GCC_INLINE inline
+#  define GCC_INLINE_ATTRIB __attribute__((__gnu_inline__, __always_inline__))
+#elif (CRYPTOPP_GCC_VERSION >= 30300) || defined(__INTEL_COMPILER)
+#  define GCC_INLINE __inline
+#  define GCC_INLINE_ATTRIB __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+#else
+#  define GCC_INLINE inline
+#  define GCC_INLINE_ATTRIB
+# endif
+
 // X86/X64/X32 Headers
 #if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64