Makefile: Add option for sanitizer, add -DNO_DEBUGGER

src/libretro/Makefile

@@ -225,9 +225,14 @@ include Makefile.common
 
 OBJS := $(SOURCES_CXX:.cpp=.o)
 
-VBA_DEFINES += -D__LIBRETRO__ -DFINAL_VERSION -DC_CORE -DUSE_GBA_ONLY -DNO_LINK
+VBA_DEFINES += -D__LIBRETRO__ -DFINAL_VERSION -DC_CORE -DNO_LINK -DNO_DEBUGGER
 VBA_DEFINES += -DFRONTEND_SUPPORTS_RGB565
 
+ifneq ($(SANITIZER),)
+   CFLAGS   += -fsanitize=$(SANITIZER)
+   LDFLAGS  += -fsanitize=$(SANITIZER)
+endif
+
 ifeq ($(DEBUG), 1)
    CFLAGS += -g
    CXXFLAGS += -g