diff -Narup v6eval-3.0.15.orig/lib/Pz/MfAlgorithm.cc v6eval-3.0.15/lib/Pz/MfAlgorithm.cc
--- v6eval-3.0.15.orig/lib/Pz/MfAlgorithm.cc	Tue Jul  1 15:07:39 2008
+++ v6eval-3.0.15/lib/Pz/MfAlgorithm.cc	Thu Oct 16 09:58:50 2008
@@ -217,6 +217,7 @@ void MfBLOWFISH::decrypt(OCTSTR os,OCTST
 	scheduleKeys(key,schd);
 	BF_cbc_encrypt(is,os,l,&schd,iv,DES_DECRYPT);}
 
+#ifndef OPENSSL_NO_RC5
 #include <openssl/rc5.h>
 //----------------------------------------------------------------------
 // RC5 CRYPT ALGORITHM
@@ -234,6 +235,7 @@ void MfRC5::decrypt(OCTSTR os,OCTSTR is,
 	RC5_32_KEY schd;
 	scheduleKeys(key,schd);
 	RC5_32_cbc_encrypt(is,os,l,&schd,iv,DES_DECRYPT);}
+#endif	// OPENSSL_NO_RC5
 
 #include <openssl/cast.h>
 //----------------------------------------------------------------------
@@ -590,8 +592,10 @@ MfDESCBC::MfDESCBC(CSTR s,uint8_t k,uint
 MfDESCBC::~MfDESCBC() {}
 MfBLOWFISH::MfBLOWFISH(CSTR s,uint8_t k,uint8_t i,uint8_t a):MfCryptKey(s,k,i,a) {}
 MfBLOWFISH::~MfBLOWFISH() {}
+#ifndef OPENSSL_NO_RC5
 MfRC5::MfRC5(CSTR s,uint8_t k,uint8_t i,uint8_t a):MfCryptKey(s,k,i,a) {}
 MfRC5::~MfRC5() {}
+#endif	// OPENSSL_NO_RC5
 MfCAST128::MfCAST128(CSTR s,uint8_t k,uint8_t i,uint8_t a):MfCryptKey(s,k,i,a) {}
 MfCAST128::~MfCAST128() {}
 MfDES3CBC::MfDES3CBC(CSTR s,uint8_t k,uint8_t i,uint8_t a):MfCryptKey(s,k,i,a) {}
diff -Narup v6eval-3.0.15.orig/lib/Pz/MfAlgorithm.h v6eval-3.0.15/lib/Pz/MfAlgorithm.h
--- v6eval-3.0.15.orig/lib/Pz/MfAlgorithm.h	Tue Jul  1 15:07:39 2008
+++ v6eval-3.0.15/lib/Pz/MfAlgorithm.h	Thu Oct 16 09:59:02 2008
@@ -48,7 +48,9 @@
 #include <openssl/des.h>
 #include <openssl/evp.h>
 #include <openssl/blowfish.h>
+#ifndef OPENSSL_NO_RC5
 #include <openssl/rc5.h>
+#endif	// OPENSSL_NO_RC5
 #include <openssl/cast.h>
 #include <openssl/aes.h>
 
@@ -248,6 +250,7 @@ virtual	void decrypt(OCTSTR,OCTSTR,uint3
 };
 
 //----------------------------------------------------------------------
+#ifndef OPENSSL_NO_RC5
 class MfRC5:public MfCryptKey {
 public:
 	MfRC5(CSTR,uint8_t,uint8_t,uint8_t);
@@ -256,6 +259,7 @@ virtual	~MfRC5();
 virtual	void encrypt(OCTSTR,OCTSTR,uint32_t,const PObject*,OCTSTR) const;
 virtual	void decrypt(OCTSTR,OCTSTR,uint32_t,const PObject*,OCTSTR) const;
 };
+#endif	// OPENSSL_NO_RC5
 
 //----------------------------------------------------------------------
 class MfCAST128:public MfCryptKey {
diff -Narup v6eval-3.0.15.orig/lib/pkt/LxLexer.cc v6eval-3.0.15/lib/pkt/LxLexer.cc
--- v6eval-3.0.15.orig/lib/pkt/LxLexer.cc	Tue Jul  1 15:07:39 2008
+++ v6eval-3.0.15/lib/pkt/LxLexer.cc	Thu Oct 16 09:59:04 2008
@@ -285,7 +285,9 @@ void LxLexer::initialize() {
 	function(new MfDESCBC("descbc",8,8,8));
 	function(new MfDESCBC_2("descbc_2", 8, 8, 8));		// binary args
 	function(new MfBLOWFISH("blowfish",8,8,8));
+#ifndef OPENSSL_NO_RC5
 	function(new MfRC5("rc5",8,8,8));
+#endif	// OPENSSL_NO_RC5
 	function(new MfCAST128("cast128",8,8,8));
 	function(new MfDES3CBC("des3cbc",8*3,8,8));
 	function(new MfDES3CBC_2("des3cbc_2", 8 * 3, 8, 8));	// binary args