--- Makefile.config.orig	2017-08-24 10:43:43.000000000 +0900
+++ Makefile.config	2017-08-24 10:43:54.000000000 +0900
@@ -5,7 +5,7 @@
 # USE_CUDNN := 1
 
 # CPU-only switch (uncomment to build without GPU support).
-# CPU_ONLY := 1
+CPU_ONLY := 1
 
 # uncomment to disable IO dependencies and corresponding data layers
 # USE_OPENCV := 0
@@ -25,7 +25,7 @@
 # CUSTOM_CXX := g++
 
 # CUDA directory contains bin/ and lib/ directories that we need.
-CUDA_DIR := /usr/local/cuda
+# CUDA_DIR := /usr/local/cuda
 # On Ubuntu 14.04, if cuda tools are installed via
 # "sudo apt-get install nvidia-cuda-toolkit" then use this instead:
 # CUDA_DIR := /usr
@@ -33,15 +33,15 @@
 # CUDA architecture setting: going with all of them.
 # For CUDA < 6.0, comment the *_50 through *_61 lines for compatibility.
 # For CUDA < 8.0, comment the *_60 and *_61 lines for compatibility.
-CUDA_ARCH := -gencode arch=compute_20,code=sm_20 \
-		-gencode arch=compute_20,code=sm_21 \
-		-gencode arch=compute_30,code=sm_30 \
-		-gencode arch=compute_35,code=sm_35 \
-		-gencode arch=compute_50,code=sm_50 \
-		-gencode arch=compute_52,code=sm_52 \
-		-gencode arch=compute_60,code=sm_60 \
-		-gencode arch=compute_61,code=sm_61 \
-		-gencode arch=compute_61,code=compute_61
+#CUDA_ARCH := -gencode arch=compute_20,code=sm_20 \
+#		-gencode arch=compute_20,code=sm_21 \
+#		-gencode arch=compute_30,code=sm_30 \
+#		-gencode arch=compute_35,code=sm_35 \
+#		-gencode arch=compute_50,code=sm_50 \
+#		-gencode arch=compute_52,code=sm_52 \
+#		-gencode arch=compute_60,code=sm_60 \
+#		-gencode arch=compute_61,code=sm_61 \
+#		-gencode arch=compute_61,code=compute_61
 
 # BLAS choice:
 # atlas for ATLAS (default)