fix: LLAMA_CUBLAS=1 undefined reference 'shm_open' (#1080)

Makefile

@@ -102,7 +102,7 @@ ifdef LLAMA_OPENBLAS
 endif
 ifdef LLAMA_CUBLAS
 	CFLAGS  += -DGGML_USE_CUBLAS -I/usr/local/cuda/include
-	LDFLAGS += -lcublas_static -lculibos -lcudart_static -lcublasLt_static -lpthread -ldl -L/usr/local/cuda/lib64
+	LDFLAGS += -lcublas_static -lculibos -lcudart_static -lcublasLt_static -lpthread -ldl -lrt -L/usr/local/cuda/lib64
 	OBJS	+= ggml-cuda.o
 ggml-cuda.o: ggml-cuda.cu ggml-cuda.h
 	nvcc -arch=native -c -o $@ $<