diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 507eaab2..c43464b7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -426,7 +426,7 @@ endif()
 if(${SRB2_CONFIG_HAVE_CURL})
 	if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
 		set(CURL_FOUND ON)
-		set(CURL_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/curl)
+		set(CURL_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/curl/include)
 		if(${SRB2_SYSTEM_BITS} EQUAL 64)
 			set(CURL_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/curl/lib64 -lcurl")
 		else() # 32-bit
diff --git a/src/Makefile b/src/Makefile
index 6395c7ef..cd6cf3a1 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -63,7 +63,6 @@
 #     Compile with extra warnings, add 'WARNINGMODE=1'
 #     Compile without NASM's tmap.nas, add 'NOASM=1'
 #     Compile without 3D hardware support, add 'NOHW=1'
-#     Compile without 3D sound support, add 'NOHS=1'
 #     Compile with GDBstubs, add 'RDB=1'
 #     Compile without PNG, add 'NOPNG=1'
 #     Compile without zlib, add 'NOZLIB=1'
@@ -136,7 +135,6 @@ NOPNG=1
 NOZLIB=1
 NONET=1
 NOHW=1
-NOHS=1
 NOASM=1
 NOIPX=1
 EXENAME?=srb2dummy
@@ -167,7 +165,6 @@ endif
 ifdef PANDORA
 NONX86=1
 NOHW=1
-NOHS=1
 endif
 
 ifdef WII
@@ -217,7 +214,6 @@ NOPNG=1
 NOZLIB=1
 NONET=1
 #NOHW=1
-NOHS=1
 NOASM=1
 NOIPX=1
 NONX86=1
@@ -287,13 +283,6 @@ endif
 		 $(OBJDIR)/hw_md2load.o $(OBJDIR)/hw_md3load.o $(OBJDIR)/hw_model.o $(OBJDIR)/u_list.o
 endif
 
-ifdef NOHS
-	OPTS+=-DNOHS
-else
-	OPTS+=-DHW3SOUND
-	OBJS+=$(OBJDIR)/hw3sound.o
-endif
-
 OPTS += -DCOMPVERSION
 
 ifndef NONX86
@@ -948,19 +937,6 @@ $(OBJDIR)/r_minigl.o: hardware/r_minigl/r_minigl.c hardware/r_opengl/r_opengl.h
 	$(CC) $(CFLAGS) $(WFLAGS) -D_WINDOWS -mwindows -c $< -o $@
 endif
 
-ifndef NOHS
-$(OBJDIR)/s_ds3d.o: hardware/s_ds3d/s_ds3d.c hardware/hw3dsdrv.h \
- hardware/hw_dll.h
-	$(CC) $(ARCHOPTS) -Os -o $(OBJDIR)/s_ds3d.o $(WFLAGS) -D_WINDOWS -mwindows -c hardware/s_ds3d/s_ds3d.c
-
-$(OBJDIR)/s_fmod.o: hardware/s_openal/s_openal.c hardware/hw3dsdrv.h \
- hardware/hw_dll.h
-	$(CC) $(ARCHOPTS) -Os -o $(OBJDIR)/s_fmod.o $(WFLAGS) -D_WINDOWS -mwindows -c hardware/s_fmod/s_fmod.c
-
-$(OBJDIR)/s_openal.o: hardware/s_openal/s_openal.c hardware/hw3dsdrv.h \
- hardware/hw_dll.h
-	$(CC) $(ARCHOPTS) -Os -o $(OBJDIR)/s_openal.o $(WFLAGS) -D_WINDOWS -mwindows -c hardware/s_openal/s_openal.c
-endif
 endif
 endif
 
diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 5fded2a8..0447d16b 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -2045,6 +2045,7 @@ void CL_UpdateServerList(boolean internetsearch, INT32 room)
 
 static void M_ConfirmConnect(event_t *ev)
 {
+#ifndef NONET	
 	if (ev->type == ev_keydown)
 	{
 		if (ev->data1 == ' ' || ev->data1 == 'y' || ev->data1 == KEY_ENTER || ev->data1 == gamecontrol[gc_accelerate][0] || ev->data1 == gamecontrol[gc_accelerate][1])
@@ -2076,12 +2077,15 @@ static void M_ConfirmConnect(event_t *ev)
 			M_ClearMenus(true);
 		}
 	}
+#else
+	(void)ev;
+#endif
 }
 
 static boolean CL_FinishedFileList(void)
 {
 	INT32 i;
-	char *downloadsize;
+	char *downloadsize = NULL;
 	//CONS_Printf(M_GetText("Checking files...\n"));
 	i = CL_CheckFiles();
 	if (i == 4) // still checking ...
@@ -2162,22 +2166,28 @@ static boolean CL_FinishedFileList(void)
 		if (!curl_failedwebdownload)
 #endif
 		{
+#ifndef NONET
 			downloadcompletednum = 0;
 			downloadcompletedsize = 0;
 			totalfilesrequestednum = 0;
 			totalfilesrequestedsize = 0;
+#endif
 
 			for (i = 0; i < fileneedednum; i++)
 				if (fileneeded[i].status == FS_NOTFOUND || fileneeded[i].status == FS_MD5SUMBAD)
 				{
+#ifndef NONET
 					totalfilesrequestednum++;
 					totalfilesrequestedsize += fileneeded[i].totalsize;
+#endif
 				}
 
+#ifndef NONET
 			if (totalfilesrequestedsize>>20 >= 100)
 				downloadsize = Z_StrDup(va("%uM",totalfilesrequestedsize>>20));
 			else
 				downloadsize = Z_StrDup(va("%uK",totalfilesrequestedsize>>10));
+#endif
 
 			if (serverisfull)
 				M_StartMessage(va(M_GetText(
@@ -2275,13 +2285,12 @@ static boolean CL_ServerConnectionSearchTicker(tic_t *asksent)
 	}
 
 	// Ask the info to the server (askinfo packet)
-	if ((I_GetTime() - NEWTICRATE) >= *asksent)
+	if (I_GetTime() >= *asksent)
 	{
 		SendAskInfo(servernode);
-		*asksent = I_GetTime();
+		*asksent = I_GetTime() + NEWTICRATE;
 	}
 #else
-	(void)viams;
 	(void)asksent;
 	// No netgames, so we skip this state.
 	cl_mode = CL_ASKJOIN;
@@ -2319,12 +2328,12 @@ static boolean CL_ServerConnectionTicker(const char *tmpsave, tic_t *oldtic, tic
 		case CL_ASKFULLFILELIST:
 			if (cl_lastcheckedfilecount == UINT16_MAX) // All files retrieved
 				cl_mode = CL_CHECKFILES;
-			else if (fileneedednum != cl_lastcheckedfilecount || (I_GetTime() - NEWTICRATE) >= *asksent)
+			else if (fileneedednum != cl_lastcheckedfilecount || I_GetTime() >= *asksent)
 			{
 				if (CL_AskFileList(fileneedednum))
 				{
 					cl_lastcheckedfilecount = fileneedednum;
-					*asksent = I_GetTime();
+					*asksent = I_GetTime() + NEWTICRATE;
 				}
 			}
 			break;
@@ -2392,7 +2401,7 @@ static boolean CL_ServerConnectionTicker(const char *tmpsave, tic_t *oldtic, tic
 		case CL_LOADFILES:
 			if (CL_LoadServerFiles())
 			{
-				*asksent = I_GetTime() - (NEWTICRATE*3); //This ensure the first join ask is right away
+				*asksent = 0; //This ensure the first join ask is right away
 				firstconnectattempttime = I_GetTime();
 				cl_mode = CL_ASKJOIN;
 			}
@@ -2419,14 +2428,14 @@ static boolean CL_ServerConnectionTicker(const char *tmpsave, tic_t *oldtic, tic
 			// but since the network layer doesn't provide ordered packets...
 			CL_PrepareDownloadSaveGame(tmpsave);
 #endif
-			if (( I_GetTime() - NEWTICRATE*3 ) >= *asksent && CL_SendJoin())
+			if (I_GetTime() >= *asksent && CL_SendJoin())
 			{
-				*asksent = I_GetTime();
+				*asksent = I_GetTime() + NEWTICRATE*3;
 				cl_mode = CL_WAITJOINRESPONSE;
 			}
 			break;
 		case CL_WAITJOINRESPONSE:
-			if (( I_GetTime() - NEWTICRATE*3 ) >= *asksent)
+			if (I_GetTime() >= *asksent)
 			{
 				cl_mode = CL_ASKJOIN;
 			}
@@ -2560,9 +2569,9 @@ static void CL_ConnectToServer(void)
 
 	ClearAdminPlayers();
 	pnumnodes = 1;
-	oldtic = I_GetTime() - 1;
+	oldtic = 0;
 #ifndef NONET
-	asksent = I_GetTime() - NEWTICRATE*3;
+	asksent = 0;
 	firstconnectattempttime = I_GetTime();
 
 	i = SL_SearchServer(servernode);
@@ -2998,8 +3007,10 @@ void CL_Reset(void)
 	fileneedednum = 0;
 	memset(fileneeded, 0, sizeof(fileneeded));
 
+#ifndef NONET
 	totalfilesrequestednum = 0;
 	totalfilesrequestedsize = 0;
+#endif
 	firstconnectattempttime = 0;
 	serverisfull = false;
 	connectiontimeout = (tic_t)cv_nettimeout.value; //reset this temporary hack
diff --git a/src/d_netfil.c b/src/d_netfil.c
index 621ce295..c9bfb4ea 100644
--- a/src/d_netfil.c
+++ b/src/d_netfil.c
@@ -874,8 +874,10 @@ void Got_Filetxpak(void)
 			file->status = FS_FOUND;
 			CONS_Printf(M_GetText("Downloading %s...(done)\n"),
 				filename);
+#ifndef NONET
 			downloadcompletednum++;
 			downloadcompletedsize += file->totalsize;
+#endif
 		}
 	}
 	else
diff --git a/src/doomdef.h b/src/doomdef.h
index 1965b3d0..be4557b1 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -30,7 +30,6 @@
 #ifdef HAVE_MIXER
     //#if !defined(DC) && !defined(_WIN32_WCE) && !defined(_XBOX) && !defined(GP2X)
     #define SOUND SOUND_MIXER
-    #define NOHS // No HW3SOUND
     #ifdef HW3SOUND
     #undef HW3SOUND
     #endif
@@ -47,7 +46,6 @@
 // Use FMOD?
 #ifdef HAVE_FMOD
     #define SOUND SOUND_FMOD
-    #define NOHS // No HW3SOUND
     #ifdef HW3SOUND
     #undef HW3SOUND
     #endif
@@ -64,10 +62,6 @@
 #if !defined (HWRENDER) && !defined (NOHW)
 #define HWRENDER
 #endif
-// judgecutor: 3D sound support
-#if !defined(HW3SOUND) && !defined (NOHS)
-#define HW3SOUND
-#endif
 #endif
 
 #if defined (_WIN32) || defined (_WIN32_WCE)
diff --git a/src/mserv.c b/src/mserv.c
index 58781366..344cbc30 100644
--- a/src/mserv.c
+++ b/src/mserv.c
@@ -62,7 +62,7 @@ static void MasterServer_OnChange(void);
 static CV_PossibleValue_t masterserver_update_rate_cons_t[] = {
 	{2,  "MIN"},
 	{60, "MAX"},
-	{0}
+	{0, NULL}
 };
 
 consvar_t cv_masterserver = {"masterserver", "https://mb.srb2.org/MS/0", CV_SAVE|CV_CALL, NULL, MasterServer_OnChange, 0, NULL, NULL, 0, 0, NULL};
diff --git a/src/p_setup.c b/src/p_setup.c
index 1c93798c..5956a5f9 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -1401,8 +1401,6 @@ static void P_LoadRawSideDefs2(void *data)
 {
 	UINT16 i;
 	INT32 num;
-	size_t j;
-	RGBA_t color;
 
 	for (i = 0; i < numsides; i++)
 	{
@@ -1469,6 +1467,8 @@ static void P_LoadRawSideDefs2(void *data)
 						|| (msd->bottomtexture[0] == '#' && msd->bottomtexture[1] && msd->bottomtexture[2] && msd->bottomtexture[3] && msd->bottomtexture[4] && msd->bottomtexture[5] && msd->bottomtexture[6]))
 					{
 						char *col;
+						RGBA_t color;
+						size_t j;
 
 						sec->midmap = R_CreateColormap(msd->toptexture, msd->midtexture,
 							msd->bottomtexture);
diff --git a/src/r_things.c b/src/r_things.c
index 25c4edb3..9cb35e19 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -2746,7 +2746,7 @@ void R_AddSkins(UINT16 wadnum)
 
 		if (numskins >= MAXSKINS)
 		{
-			CONS_Debug(DBG_RENDER, "ignored skin (%d skins maximum)\n", MAXSKINS);
+			CONS_Alert(CONS_WARNING, M_GetText("Unable to add skin, too many characters are loaded (%d maximum)\n"), MAXSKINS);
 			continue; // so we know how many skins couldn't be added
 		}
 		buf = W_CacheLumpNumPwad(wadnum, lump, PU_CACHE);
diff --git a/src/sdl/Makefile.cfg b/src/sdl/Makefile.cfg
index b0c591ce..1744d691 100644
--- a/src/sdl/Makefile.cfg
+++ b/src/sdl/Makefile.cfg
@@ -53,28 +53,6 @@ ifndef NOHW
 	OBJS+=$(OBJDIR)/r_opengl.o $(OBJDIR)/ogl_sdl.o
 endif
 
-ifndef NOHS
-ifdef OPENAL
-	OBJS+=$(OBJDIR)/s_openal.o
-	OPTS+=-DSTATIC3DS
-	STATICHS=1
-else
-ifdef FMOD
-	OBJS+=$(OBJDIR)/s_fmod.o
-	OPTS+=-DSTATIC3DS
-	STATICHS=1
-else
-ifdef MINGW
-ifdef DS3D
-	OBJS+=$(OBJDIR)/s_ds3d.o
-	OPTS+=-DSTATIC3DS
-	STATICHS=1
-endif
-endif
-endif
-endif
-endif
-
 ifdef NOMIXER
 	i_sound_o=$(OBJDIR)/sdl_sound.o
 else
diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 86fc8efb..c5650192 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -110,6 +110,7 @@ static void var_cleanup(void)
 	internal_volume = 100;
 }
 
+#if defined (HAVE_LIBGME) && defined (HAVE_ZLIB)
 static const char* get_zlib_error(int zErr)
 {
 	switch (zErr)
@@ -130,6 +131,7 @@ static const char* get_zlib_error(int zErr)
 			return "unknown error";
 	}
 }
+#endif
 
 /// ------------------------
 /// Audio System
diff --git a/src/sdl/sdl_sound.c b/src/sdl/sdl_sound.c
index 4bb1b567..929ac79f 100644
--- a/src/sdl/sdl_sound.c
+++ b/src/sdl/sdl_sound.c
@@ -1434,6 +1434,8 @@ static void I_ResumeGME(void)
 
 boolean I_LoadSong(char *data, size_t len)
 {
+	(void)data;
+	(void)len;
 	return false;
 }
 
@@ -1495,6 +1497,7 @@ boolean I_FadeSongFromVolume(UINT8 target_volume, UINT8 source_volume, UINT32 ms
 	(void)target_volume;
 	(void)source_volume;
 	(void)ms;
+	(void)callback;
 	return false;
 }
 
@@ -1502,6 +1505,7 @@ boolean I_FadeSong(UINT8 target_volume, UINT32 ms, void (*callback)(void))
 {
 	(void)target_volume;
 	(void)ms;
+	(void)callback;
 	return false;
 }
 
diff --git a/src/w_wad.c b/src/w_wad.c
index 77d0d6d2..d4da027b 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -11,6 +11,24 @@
 /// \file  w_wad.c
 /// \brief Handles WAD file header, directory, lump I/O
 
+#ifdef HAVE_ZLIB
+#ifndef _MSC_VER
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+#endif
+
+#ifndef _LFS64_LARGEFILE
+#define _LFS64_LARGEFILE
+#endif
+
+#ifndef _FILE_OFFSET_BITS
+#define _FILE_OFFSET_BITS 0
+#endif
+
+#include "zlib.h"
+#endif
+
 #ifdef __GNUC__
 #include <unistd.h>
 #endif
@@ -66,24 +84,6 @@ int	snprintf(char *str, size_t n, const char *fmt, ...);
 #define O_BINARY 0
 #endif
 
-#ifdef HAVE_ZLIB
-#ifndef _MSC_VER
-#ifndef _LARGEFILE64_SOURCE
-#define _LARGEFILE64_SOURCE
-#endif
-#endif
-
-#ifndef _LFS64_LARGEFILE
-#define _LFS64_LARGEFILE
-#endif
-
-#ifndef _FILE_OFFSET_BITS
-#define _FILE_OFFSET_BITS 0
-#endif
-
-#include "zlib.h"
-#endif
-
 
 typedef struct
 {