--- sidplay-libs-2.1.1.orig/libsidplay/unix/my_macros.m4
+++ sidplay-libs-2.1.1/libsidplay/unix/my_macros.m4
@@ -105,8 +105,9 @@ AC_DEFUN([MY_CHECK_IOS_OPENMODE],
     AC_CACHE_VAL(test_cv_have_ios_openmode,
     [
         AC_TRY_COMPILE(
-            [#include <fstream.h>
-             #include <iomanip.h>],
+            [#include <fstream>
+             #include <iomanip>
+	     using namespace std;],
             [ios::openmode myTest = ios::in;],
             [test_cv_have_ios_openmode=yes],
             [test_cv_have_ios_openmode=no]
--- sidplay-libs-2.1.1.orig/libsidplay/include/sidplay/SmartPtr.h
+++ sidplay-libs-2.1.1/libsidplay/include/sidplay/SmartPtr.h
@@ -17,16 +17,16 @@ class SmartPtrBase_sidtt
 		doFree = bufOwner;
 		if ( bufferLen >= 1 )
 		{
-			pBufCurrent = ( bufBegin = buffer );
-			bufEnd = bufBegin + bufferLen;
-			bufLen = bufferLen;
-			status = true;
+			this->pBufCurrent = ( this->bufBegin = buffer );
+			this->bufEnd = this->bufBegin + bufferLen;
+			this->bufLen = bufferLen;
+			this->status = true;
 		}
 		else
 		{
-			pBufCurrent = ( bufBegin = ( bufEnd = 0 ));
-			bufLen = 0;
-			status = false;
+			this->pBufCurrent = ( this->bufBegin = ( this->bufEnd = 0 ));
+			this->bufLen = 0;
+			this->status = false;
 		}
 	}
 	
@@ -211,16 +211,16 @@ class SmartPtr_sidtt : public SmartPtrBa
 	{
 		if ( bufferLen >= 1 )
 		{
-			pBufCurrent = ( bufBegin = buffer );
-			bufEnd = bufBegin + bufferLen;
-			bufLen = bufferLen;
-			status = true;
+			this->pBufCurrent = ( this->bufBegin = buffer );
+			this->bufEnd = this->bufBegin + bufferLen;
+			this->bufLen = bufferLen;
+			this->status = true;
 		}
 		else
 		{
-			pBufCurrent = bufBegin = bufEnd = 0;
-			bufLen = 0;
-			status = false;
+			this->pBufCurrent = this->bufBegin = this->bufEnd = 0;
+			this->bufLen = 0;
+			this->status = false;
 		}
 	}
 };
--- sidplay-libs-2.1.1.orig/libsidplay/include/sidplay/sidendian.h
+++ sidplay-libs-2.1.1/libsidplay/include/sidplay/sidendian.h
@@ -141,7 +145,7 @@ inline void endian_16swap8 (uint_least16
 // Convert high-byte and low-byte to 16-bit word.
 inline uint_least16_t endian_16 (uint8_t hi, uint8_t lo)
 {
-    uint_least16_t word;
+    uint_least16_t word = 0;
     endian_16lo8 (word, lo);
     endian_16hi8 (word, hi);
     return word;
@@ -165,7 +169,7 @@ inline void endian_16 (uint8_t ptr[2], u
 
 inline void endian_16 (char ptr[2], uint_least16_t word)
 {
-	endian_16 ((uint8_t *) ptr, word);
+    endian_16 ((uint8_t *) ptr, word);
 }
 
 // Convert high-byte and low-byte to 16-bit little endian word.
@@ -334,7 +338,7 @@ inline void endian_32swap16 (uint_least3
 // Swap word endian.
 inline void endian_32swap8 (uint_least32_t &dword)
 {
-    uint_least16_t lo, hi;
+    uint_least16_t lo = 0, hi = 0;
     lo = endian_32lo16 (dword);
     hi = endian_32hi16 (dword);
     endian_16swap8 (lo);
@@ -346,8 +350,8 @@ inline void endian_32swap8 (uint_least32
 // Convert high-byte and low-byte to 32-bit word.
 inline uint_least32_t endian_32 (uint8_t hihi, uint8_t hilo, uint8_t hi, uint8_t lo)
 {
-    uint_least32_t dword;
-    uint_least16_t word;
+    uint_least32_t dword = 0;
+    uint_least16_t word  = 0;
     endian_32lo8  (dword, lo);
     endian_32hi8  (dword, hi);
     endian_16lo8  (word,  hilo);
@@ -374,7 +378,7 @@ inline void endian_little32 (uint8_t ptr
     defined(SID_WORDS_LITTLEENDIAN)
     *((uint_least32_t *) ptr) = dword;
 #else
-    uint_least16_t word;
+    uint_least16_t word = 0;
     ptr[0] = endian_32lo8  (dword);
     ptr[1] = endian_32hi8  (dword);
     word   = endian_32hi16 (dword);
@@ -401,7 +405,7 @@ inline void endian_big32 (uint8_t ptr[4]
     defined(SID_WORDS_BIGENDIAN)
     *((uint_least32_t *) ptr) = dword;
 #else
-    uint_least16_t word;
+    uint_least16_t word = 0;
     word   = endian_32hi16 (dword);
     ptr[1] = endian_16lo8  (word);
     ptr[0] = endian_16hi8  (word);
--- sidplay-libs-2.1.1.orig/libsidutils/include/sidplay/utils/SidUsage.h
+++ sidplay-libs-2.1.1/libsidutils/include/sidplay/utils/SidUsage.h
@@ -33,7 +33,7 @@ struct sid2_usage_t: public sid_usage_t
     uint_least16_t length;  // usage scan length
 
     // Copy common parts of basic usage to extended usage.
-    sid2_usage_t &sid2_usage_t::operator= (const sid_usage_t &usage)
+    sid2_usage_t &operator= (const sid_usage_t &usage)
     {
         *((sid_usage_t *) this) = usage;
         return *this;
--- sidplay-libs-2.1.1.orig/builders/resid-builder/src/resid-builder.cpp
+++ sidplay-libs-2.1.1/builders/resid-builder/src/resid-builder.cpp
@@ -37,6 +37,7 @@
  ***************************************************************************/
 
 #include <stdio.h>
+#include <cstring>
 
 #include "config.h"
 #ifdef HAVE_EXCEPTIONS
--- sidplay-libs-2.1.1.orig/builders/resid-builder/src/resid.cpp
+++ sidplay-libs-2.1.1/builders/resid-builder/src/resid.cpp
@@ -16,6 +16,7 @@
  *                                                                         *
  ***************************************************************************/
 
+#include <cstring>
 #include "config.h"
 
 #ifdef HAVE_EXCEPTIONS
--- sidplay-libs-2.1.1.orig/builders/hardsid-builder/src/hardsid-builder.cpp
+++ sidplay-libs-2.1.1/builders/hardsid-builder/src/hardsid-builder.cpp
@@ -47,6 +47,7 @@
  ***************************************************************************/
 
 #include <stdio.h>
+#include <cstring>
 #include "config.h"
 
 #ifdef HAVE_EXCEPTIONS