diff --git a/libretro/jni/Android.mk b/libretro/jni/Android.mk
index 3401c10..4c4a7b6 100644
--- a/libretro/jni/Android.mk
+++ b/libretro/jni/Android.mk
@@ -23,14 +23,29 @@ ifeq ($(TARGET_ARCH),mips)
 LOCAL_CXXFLAGS += -DANDROID_MIPS
 endif
 
-CORE_DIR := ../..
+CORE_DIR := $(realpath ../..)
 
 include ../Makefile.common
 
 LOCAL_SRC_FILES := $(SOURCES_CXX) $(SOURCES_C)
-LOCAL_CFLAGS += -DINLINE=inline -DHAVE_STDINT_H -DHAVE_INTTYPES_H -D__LIBRETRO__ -DNDEBUG -D_USE_MATH_DEFINES  -DGB_INTERNAL -std=c99 -I$(CORE_DIR) -DSAMEBOY_CORE_VERSION=\"$(VERSION)\"
-
+LOCAL_CFLAGS += -DINLINE=inline -DHAVE_STDINT_H -DHAVE_INTTYPES_H -D__LIBRETRO__ -DNDEBUG -D_USE_MATH_DEFINES  -DGB_INTERNAL -std=c99 -I$(CORE_DIR) -DSAMEBOY_CORE_VERSION=\"$(VERSION)\" -DDISABLE_DEBUGGER -DDISABLE_TIMEKEEPING -Wno-multichar
 LOCAL_C_INCLUDES = $(INCFLAGS)
 
 include $(BUILD_SHARED_LIBRARY)
 
+$(CORE_DIR)/libretro/%_boot.c: $(CORE_DIR)/build/bin/BootROMs/%_boot.bin
+	echo "/* AUTO-GENERATED */" > $@
+	echo "const unsigned char $(notdir $(@:%.c=%))[] = {" >> $@
+ifneq ($(findstring Haiku,$(shell uname -s)),)
+	# turns out od is posix, hexdump is not hence is less portable
+	# this is still rather ugly and could be done better I guess
+	od -A none -t x1 -v $< | sed -e 's/^\ /0x/' -e 's/\ /,\ 0x/g' -e 's/$$/,/g' | tr '\n' ' ' >> $@
+else
+	hexdump -v -e '/1 "0x%02x, "' $< >> $@
+endif
+	echo "};" >> $@
+	echo "const unsigned $(notdir $(@:%.c=%))_length = sizeof($(notdir $(@:%.c=%)));" >> $@
+
+$(CORE_DIR)/build/bin/BootROMs/%_boot.bin:
+	$(MAKE) -C .. $(patsubst $(CORE_DIR)/%,%,$@)
+