- re-applied my changes to ADLMIDI code:

* disable sstream. No point pulling in such a large piece of code for two error messages.
* disable MSVC warnings which get emitted by the code.

src/sound/adlmidi/adlmidi.cpp

@@ -107,7 +107,7 @@ ADLMIDI_EXPORT int adl_setBank(ADL_MIDIPlayer *device, int bank)
     MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer);
     if(static_cast<uint32_t>(bankno) >= NumBanks)
     {
-        #ifndef __WATCOMC__
+        #if 0 //ndef __WATCOMC__
         std::stringstream s;
         s << "bank number may only be 0.." << (NumBanks - 1) << ".\n";
         play->setErrorString(s.str());
@@ -142,7 +142,7 @@ ADLMIDI_EXPORT int adl_setNumFourOpsChn(ADL_MIDIPlayer *device, int ops4)
     MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer);
     if((unsigned int)ops4 > 6 * play->m_setup.NumCards)
     {
-        #ifndef __WATCOMC__
+        #if 0 //ndef __WATCOMC__
         std::stringstream s;
         s << "number of four-op channels may only be 0.." << (6 * (play->m_setup.NumCards)) << " when " << play->m_setup.NumCards << " OPL3 cards are used.\n";
         play->setErrorString(s.str());

src/sound/adlmidi/adlmidi_private.hpp

@@ -75,7 +75,6 @@ typedef int32_t ssize_t;
 #include <vector>
 #include <list>
 #include <string>
-#include <sstream>
 //#ifdef __WATCOMC__
 //#include <myset.h> //TODO: Implemnet a workaround for OpenWatcom to fix a crash while using those containers
 //#include <mymap.h>
@@ -105,6 +104,13 @@ typedef int32_t ssize_t;
 #include <deque>
 #include <algorithm>
 
+#ifdef _MSC_VER
+#pragma warning(disable:4319)
+#pragma warning(disable:4267)
+#pragma warning(disable:4244)
+#pragma warning(disable:4146)
+#endif
+
 #include "fraction.hpp"
 
 #ifndef ADLMIDI_HW_OPL