Something

Index: makefile.mes
===================================================================
--- makefile.mes	(revision 128)
+++ makefile.mes	(working copy)
@@ -260,7 +260,6 @@
 	-Wformat-security \
 	-Wwrite-strings \
 	-Wdeclaration-after-statement \
-	-Wno-unused-functions \
 
 ifneq ($(OPTIMIZE),0)
 CFLAGS += -Werror -DNDEBUG $(ARCH) -fno-strict-aliasing
Index: makefile.sdl
===================================================================
--- makefile.sdl	(revision 128)
+++ makefile.sdl	(working copy)
@@ -78,7 +78,7 @@
 # ATHLON = 1
 # I686 = 1
 # P4 = 1
-PM = 1
+# PM = 1
 # AMD64 = 1
 # G4 = 1
 # G5 = 1
@@ -185,6 +185,8 @@
 # form the name of the executable
 #-------------------------------------------------
 
+PREFIX = sdl
+
 # check if this is MESS
 ifeq ($(TARGET),mess)
 MESS=1
Index: src/mess/tools/imgtool/mac.c
===================================================================
--- src/mess/tools/imgtool/mac.c	(revision 128)
+++ src/mess/tools/imgtool/mac.c	(working copy)
@@ -5239,7 +5239,6 @@
 static void mac_image_info(imgtool_image *img, char *string, size_t len);
 static imgtoolerr_t mac_image_beginenum(imgtool_directory *enumeration, const char *path);
 static imgtoolerr_t mac_image_nextenum(imgtool_directory *enumeration, imgtool_dirent *ent);
-static void mac_image_closeenum(imgtool_directory *enumeration);
 static imgtoolerr_t mac_image_freespace(imgtool_partition *partition, UINT64 *size);
 static imgtoolerr_t mac_image_readfile(imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *destf);
 static imgtoolerr_t mac_image_writefile(imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *sourcef, option_resolution *writeoptions);
Index: src/osd/sdl/config.c
===================================================================
--- src/osd/sdl/config.c	(revision 128)
+++ src/osd/sdl/config.c	(working copy)
@@ -74,8 +74,6 @@
 static void execute_simple_commands(void);
 static void execute_commands(const char *argv0);
 static void display_help(void);
-static void setup_playback(const char *filename, const game_driver *driver);
-static void setup_record(const char *filename, const game_driver *driver);
 static char *extract_base_name(const char *name, char *dest, int destsize);
 static char *extract_path(const char *name, char *dest, int destsize);
 
Index: src/osd/sdl/drawsdl.c
===================================================================
--- src/osd/sdl/drawsdl.c	(revision 128)
+++ src/osd/sdl/drawsdl.c	(working copy)
@@ -180,8 +180,6 @@
 #endif
 
 // YUV overlays
-
-void yuv_lookup_init(sdl_window_info *window);
 static void yuv_RGB_to_YV12(UINT16 *bitmap, int bw, sdl_window_info *window);
 static void yuv_RGB_to_YV12X2(UINT16 *bitmap, int bw, sdl_window_info *window);
 static void yuv_RGB_to_YUY2(UINT16 *bitmap, int bw, sdl_window_info *window);
Index: src/osd/sdl/window.c
===================================================================
--- src/osd/sdl/window.c	(revision 128)
+++ src/osd/sdl/window.c	(working copy)
@@ -43,6 +43,7 @@
 
 extern int drawsdl_init(sdl_draw_callbacks *callbacks);
 extern int drawogl_init(sdl_draw_callbacks *callbacks);
+extern void yuv_lookup_init(sdl_window_info *window);
 
 //============================================================
 //  PARAMETERS
@@ -110,7 +111,6 @@
 //============================================================
 
 // event handling
-static osd_ticks_t last_event_check;
 static int multithreading_enabled;
 static osd_work_queue *work_queue;
 static int main_threadid;
Index: src/osd/windows/config.c
===================================================================
--- src/osd/windows/config.c	(revision 128)
+++ src/osd/windows/config.c	(working copy)
@@ -60,8 +60,6 @@
 static void execute_simple_commands(void);
 static void execute_commands(const char *argv0);
 static void display_help(void);
-static void setup_playback(const char *filename, const game_driver *driver);
-static void setup_record(const char *filename, const game_driver *driver);
 static char *extract_base_name(const char *name, char *dest, int destsize);
 static char *extract_path(const char *name, char *dest, int destsize);