--- /dev/null
+ifndef C64_TOOLS_DSP_ROOT
+$(error need C64_TOOLS_DSP_ROOT)
+endif
+
+include $(C64_TOOLS_DSP_ROOT)/install.mk
+
+TARGET_BASENAME = pcsxr_spu
+OPTFLAGS += -O2
+CFLAGS += -DNO_OS -DWANT_THREAD_CODE
+
+OBJ = \
+ spu_c64x_dspcode.o64
+
+include $(C64_TOOLS_DSP_ROOT)/build_area3.mk
+include $(C64_TOOLS_DSP_ROOT)/build.mk