From f8717545022137560ae3fe2f2a28709bf9122d78 Mon Sep 17 00:00:00 2001
From: weidai <weidai11@users.noreply.github.com>
Date: Mon, 22 Dec 2008 06:55:08 +0000
Subject: [PATCH] fix compile with GCC 4.0.1 on MacOS X 64-bit

---
 config.h     | 11 ++++++-----
 integer.cpp  |  2 +-
 iterhash.cpp | 12 ++++++++++++
 iterhash.h   | 14 ++++++++------
 4 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/config.h b/config.h
index b2d6248f..ae7c5358 100644
--- a/config.h
+++ b/config.h
@@ -123,6 +123,10 @@ typedef unsigned int word32;
 	const lword LWORD_MAX = 0xffffffffUL;
 #endif
 
+#ifdef __GNUC__
+	#define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+#endif
+
 // define hword, word, and dword. these are used for multiprecision integer arithmetic
 // Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
 #if (defined(_MSC_VER) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__)) || (defined(__INTEL_COMPILER) && defined(__x86_64__))
@@ -131,7 +135,8 @@ typedef unsigned int word32;
 #else
 	#define CRYPTOPP_NATIVE_DWORD_AVAILABLE
 	#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
-		#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
+		#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !(CRYPTOPP_GCC_VERSION == 40001 && defined(__APPLE__))
+			// GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
 			typedef word32 hword;
 			typedef word64 word;
 			typedef __uint128_t dword;
@@ -181,10 +186,6 @@ NAMESPACE_END
 	#endif
 #endif
 
-#ifdef __GNUC__
-	#define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
-#endif
-
 #ifndef CRYPTOPP_ALIGN_DATA
 	#if defined(CRYPTOPP_MSVC6PP_OR_LATER)
 		#define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
diff --git a/integer.cpp b/integer.cpp
index e5aa95e8..0926a0bf 100644
--- a/integer.cpp
+++ b/integer.cpp
@@ -101,7 +101,7 @@ static word AtomicInverseModPower2(word A)
 
 // ********************************************************
 
-#if !defined(CRYPTOPP_NATIVE_DWORD_AVAILABLE) || defined(__x86_64__)
+#if !defined(CRYPTOPP_NATIVE_DWORD_AVAILABLE) || (defined(__x86_64__) && defined(CRYPTOPP_WORD128_AVAILABLE))
 	#define Declare2Words(x)			word x##0, x##1;
 	#define AssignWord(a, b)			a##0 = b; a##1 = 0;
 	#define Add2WordsBy1(a, b, c)		a##0 = b##0 + c; a##1 = b##1 + (a##0 < c);
diff --git a/iterhash.cpp b/iterhash.cpp
index 273e0340..44360b11 100644
--- a/iterhash.cpp
+++ b/iterhash.cpp
@@ -1,6 +1,8 @@
 // iterhash.cpp - written and placed in the public domain by Wei Dai
 
+#ifndef __GNUC__
 #define CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES
+#endif
 
 #include "iterhash.h"
 #include "misc.h"
@@ -142,4 +144,14 @@ template <class T, class BASE> void IteratedHashBase<T, BASE>::TruncatedFinal(by
 	this->Restart();		// reinit for next use
 }
 
+#ifdef __GNUC__
+	#ifdef WORD64_AVAILABLE
+	template class IteratedHashBase<word64, HashTransformation>;
+	template class IteratedHashBase<word64, MessageAuthenticationCode>;
+	#endif
+
+	template class IteratedHashBase<word32, HashTransformation>;
+	template class IteratedHashBase<word32, MessageAuthenticationCode>;
+#endif
+
 NAMESPACE_END
diff --git a/iterhash.h b/iterhash.h
index d7d2f6e9..a22b57db 100644
--- a/iterhash.h
+++ b/iterhash.h
@@ -93,13 +93,15 @@ protected:
 	FixedSizeSecBlock<T_HashWordType, T_BlockSize/sizeof(T_HashWordType)> m_state;
 };
 
-#ifdef WORD64_AVAILABLE
-CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word64, HashTransformation>;
-CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word64, MessageAuthenticationCode>;
-#endif
+#ifndef __GNUC__
+	#ifdef WORD64_AVAILABLE
+	CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word64, HashTransformation>;
+	CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word64, MessageAuthenticationCode>;
+	#endif
 
-CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word32, HashTransformation>;
-CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word32, MessageAuthenticationCode>;
+	CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word32, HashTransformation>;
+	CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word32, MessageAuthenticationCode>;
+#endif
 
 NAMESPACE_END