diff --git a/engine/Makefile b/engine/Makefile
index 73e4d0c7e..1b124652f 100644
--- a/engine/Makefile
+++ b/engine/Makefile
@@ -923,7 +923,7 @@ ifneq ($(shell echo $(FTE_TARGET)|grep linux),)
 	
 	NPFTE_OBJS=httpclient.o image.o sys_linux_threads.o sys_npfte.o sys_axfte.o sys_plugfte.o
 	NPFTE_DLL_NAME=../npfte$(BITS).so
-	NPFTE_LDFLAGS=-shared
+	NPFTE_LDFLAGS=-shared -Wl,-z,defs -lX11 -lXt
 	NPFTE_CFLAGS=$(NPFTECFLAGS) $(W32_CFLAGS) -DMULTITHREAD -fPIC -DDYNAMIC_LIBPNG -DDYNAMIC_LIBJPEG
 	NPFTEB_DIR=npfte_linux$(BITS)
 
@@ -1243,9 +1243,9 @@ d3d-profile:
 
 
 npfte-tmprel: reldir
-	@$(MAKE) $(OUT_DIR)/$(EXE_NAME)  OUT_DIR="$(OUT_DIR)" WCFLAGS="$(NPFTE_CFLAGS) $(RELEASE_CFLAGS)" LDFLAGS="$(NPFTE_LDFLAGS) $(LDFLAGS) $(RELEASE_LDFLAGS)" OBJS="NPFTE_OBJS"
+	@$(MAKE) $(OUT_DIR)/$(EXE_NAME)  OUT_DIR="$(OUT_DIR)" WCFLAGS="$(NPFTE_CFLAGS) $(RELEASE_CFLAGS)" LDFLAGS="$(BASELDFLAGS) $(NPFTE_LDFLAGS) $(LDFLAGS) $(RELEASE_LDFLAGS)" OBJS="NPFTE_OBJS"
 npfte-tmpdbg: debugdir
-	@$(MAKE) $(OUT_DIR)/$(EXE_NAME)  OUT_DIR="$(OUT_DIR)" WCFLAGS="$(NPFTE_CFLAGS) $(DEBUG_CFLAGS)" LDFLAGS="$(NPFTE_LDFLAGS) $(LDFLAGS) $(DEBUG_LDFLAGS)" OBJS="NPFTE_OBJS"
+	@$(MAKE) $(OUT_DIR)/$(EXE_NAME)  OUT_DIR="$(OUT_DIR)" WCFLAGS="$(NPFTE_CFLAGS) $(DEBUG_CFLAGS)" LDFLAGS="$(BASELDFLAGS) $(NPFTE_LDFLAGS) $(LDFLAGS) $(DEBUG_LDFLAGS)" OBJS="NPFTE_OBJS"
 npfte-rel:
 	@$(MAKE) npfte-tmprel OUT_DIR="$(RELEASE_DIR)/$(NPFTEB_DIR)w32" EXE_NAME="../npfte.dll" PRECOMPHEADERS="" FTE_TARGET=win32
 	@$(MAKE) npfte-tmprel OUT_DIR="$(RELEASE_DIR)/$(NPFTEB_DIR)l32" EXE_NAME="../npfte32.so" PRECOMPHEADERS="" FTE_TARGET=linux32
diff --git a/engine/client/image.c b/engine/client/image.c
index 8a7c314a5..d9db1f2f1 100644
--- a/engine/client/image.c
+++ b/engine/client/image.c
@@ -667,7 +667,11 @@ void (PNGAPI *qpng_set_expand) PNGARG((png_structp png_ptr)) PSTATIC(png_set_exp
 void (PNGAPI *qpng_set_gray_to_rgb) PNGARG((png_structp png_ptr)) PSTATIC(png_set_gray_to_rgb);
 void (PNGAPI *qpng_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)) PSTATIC(png_set_tRNS_to_alpha);
 png_uint_32 (PNGAPI *qpng_get_valid) PNGARG((png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 flag)) PSTATIC(png_get_valid);
+#if PNG_LIBPNG_VER > 10400
 void (PNGAPI *qpng_set_expand_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)) PSTATIC(png_set_expand_gray_1_2_4_to_8);
+#else
+void (PNGAPI *qpng_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)) PSTATIC(png_set_gray_1_2_4_to_8);
+#endif
 void (PNGAPI *qpng_set_filler) PNGARG((png_structp png_ptr, png_uint_32 filler, int flags)) PSTATIC(png_set_filler);
 void (PNGAPI *qpng_set_palette_to_rgb) PNGARG((png_structp png_ptr)) PSTATIC(png_set_palette_to_rgb);
 png_uint_32 (PNGAPI *qpng_get_IHDR) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height,
@@ -687,6 +691,7 @@ void (PNGAPI *qpng_set_IHDR) PNGARG((png_structp png_ptr, png_infop info_ptr, pn
 			int bit_depth, int color_type, int interlace_method, int compression_method, int filter_method)) PSTATIC(png_set_IHDR);
 void (PNGAPI *qpng_set_compression_level) PNGARG((png_structp png_ptr, int level)) PSTATIC(png_set_compression_level);
 void (PNGAPI *qpng_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp)) PSTATIC(png_init_io);
+png_voidp (PNGAPI *qpng_get_io_ptr) PNGARG((png_structp png_ptr)) PSTATIC(png_get_io_ptr);
 void (PNGAPI *qpng_destroy_write_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)) PSTATIC(png_destroy_write_struct);
 png_structp (PNGAPI *qpng_create_write_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PSTATIC(png_create_write_struct);
 
@@ -707,7 +712,11 @@ qboolean LibPNG_Init(void)
 		{(void **) &qpng_set_gray_to_rgb,				"png_set_gray_to_rgb"},
 		{(void **) &qpng_set_tRNS_to_alpha,				"png_set_tRNS_to_alpha"},
 		{(void **) &qpng_get_valid,						"png_get_valid"},
+		#if PNG_LIBPNG_VER > 10400
 		{(void **) &qpng_set_expand_gray_1_2_4_to_8,	"png_set_expand_gray_1_2_4_to_8"},
+                #else
+		{(void **) &qpng_set_gray_1_2_4_to_8,	"png_set_gray_1_2_4_to_8"},
+                #endif
 		{(void **) &qpng_set_filler,					"png_set_filler"},
 		{(void **) &qpng_set_palette_to_rgb,			"png_set_palette_to_rgb"},
 		{(void **) &qpng_get_IHDR,						"png_get_IHDR"},
@@ -756,7 +765,7 @@ void PNGAPI png_default_read_data(png_structp png_ptr, png_bytep data, png_size_
 
 void VARGS readpngdata(png_structp png_ptr,png_bytep data,png_size_t len)
 {
-	pngreadinfo_t *ri = (pngreadinfo_t*)png_get_io_ptr(png_ptr);
+	pngreadinfo_t *ri = (pngreadinfo_t*)qpng_get_io_ptr(png_ptr);
 	if (ri->readposition+len > ri->filelen)
 	{
 		qpng_error(png_ptr, "unexpected eof");
@@ -829,7 +838,7 @@ error:
 		#if PNG_LIBPNG_VER > 10400
 			qpng_set_expand_gray_1_2_4_to_8(png);
 		#else
-			png_set_gray_1_2_4_to_8(png);
+			qpng_set_gray_1_2_4_to_8(png);
 		#endif
 	}
 
diff --git a/engine/client/sys_plugfte.c b/engine/client/sys_plugfte.c
index c8408b5a3..e9c153845 100644
--- a/engine/client/sys_plugfte.c
+++ b/engine/client/sys_plugfte.c
@@ -18,6 +18,11 @@ void *globalmutex;
 # endif
 #endif
 
+dllhandle_t *Sys_LoadLibrary(const char *name, dllfunction_t *funcs)
+{
+	return NULL;
+}
+
 void BZ_Free(void *ptr)
 {
 	free(ptr);
@@ -1037,7 +1042,7 @@ qboolean Plug_GenCommandlineString(struct context *ctx, char *cmdline, int cmdli
 	for (i = 0; i < argc; i++)
 	{
 		//add quotes for any arguments with spaces
-		if (strchr(argv[i], ' ') || strchr(arg[i], '\t'))
+		if (strchr(argv[i], ' ') || strchr(argv[i], '\t'))
 		{
 			Q_strncatz(cmdline, "\"", cmdlinelen);
 			Q_strncatz(cmdline, argv[i], cmdlinelen);
diff --git a/engine/server/sv_sql.c b/engine/server/sv_sql.c
index 2b214b94d..0247a0428 100644
--- a/engine/server/sv_sql.c
+++ b/engine/server/sv_sql.c
@@ -1205,10 +1205,12 @@ void SQL_DeInit(void)
 	if (qmysql_library_end)
 		qmysql_library_end();
 
-	Sys_CloseLibrary(mysqlhandle);
+	if (mysqlhandle)
+		Sys_CloseLibrary(mysqlhandle);
 #endif
 #ifdef USE_SQLITE
-	Sys_CloseLibrary(sqlitehandle);
+	if (sqlitehandle)
+		Sys_CloseLibrary(sqlitehandle);
 #endif
 }