start implementing the libretro interface. (not working yet)

Makefile

@@ -0,0 +1,66 @@
+TARGET      := gpsp_libretro.so
+
+CC  = gcc
+AR  = psp-ar
+STATIC_LINKING = 0
+
+CFLAGS   += -fPIC
+CFLAGS   += -DPC_BUILD -Wall -m32
+CFLAGS   += -D__LIBRETRO__
+
+
+ifeq ($(DEBUG), 1)
+OPTIMIZE	      := -O0 -g
+OPTIMIZE_SAFE  := -O0 -g
+else
+OPTIMIZE	      := -O3
+OPTIMIZE_SAFE  := -O2
+endif
+
+
+OBJS := main.o
+OBJS += cpu.o
+OBJS += memory.o
+OBJS += video.o
+OBJS += input.o
+OBJS += sound.o
+OBJS += cpu_threaded.o
+
+OBJS += x86_stub.o
+OBJS += cheats.o
+OBJS += zip.o
+
+OBJS += libretro.o
+
+
+
+ASFLAGS = $(CFLAGS)
+INCDIRS := -I.
+LDFLAGS += -shared -m32
+LDLIBS  += -lz
+
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+ifeq ($(STATIC_LINKING), 1)
+	$(AR) rcs $@ $(OBJS)
+else
+	$(CC) -o $@ $(CFLAGS) $^ $(LDFLAGS) $(LDLIBS)
+endif
+
+%.o: %.c
+	$(CC) -c -o $@ $< $(CFLAGS) $(OPTIMIZE) $(INCDIRS)
+
+cpu.o: cpu.c
+	$(CC) -c -o $@ $< $(CFLAGS) -Wno-unused-variable -Wno-unused-label $(OPTIMIZE_SAFE) $(INCDIRS)
+
+%.o: %.S
+	$(CC) -c -o $@ $< $(ASFLAGS) $(OPTIMIZE)
+
+clean:
+#	rm -f main.o cpu.o memory.o video.o input.o sound.o cpu_threaded.o x86_stub.o cheats.o zip.o libretro.o
+	rm -f $(OBJS)
+	rm -f $(TARGET)
+
+.PHONY: $(TARGET) clean