From 4ea59eb1292002a7b903f3b8289fad4ade2e95b3 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Sun, 22 Mar 2020 23:02:35 +0900
Subject: [PATCH 01/13] add cmakelists

---
 CMakeLists.txt | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..576a07b
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,44 @@
+cmake_minimum_required(VERSION 2.8)
+project( Gazo-san )
+set (CMAKE_CXX_STANDARD 11)
+set(GTEST OFF CACHE BOOL "Test flag")
+find_package( OpenCV REQUIRED )
+include_directories( ${OpenCV_INCLUDE_DIRS} )
+
+if(GTEST)
+  set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})
+  set (gtest ${CMAKE_SOURCE_DIR}/tests/googletest/libgtest.a)
+  set (gtest_main ${CMAKE_SOURCE_DIR}/tests/googletest/libgtest_main.a)
+  include_directories( src/ )
+  include_directories( include/ )
+  include_directories( tests/googletest/include/ )
+  file(DOWNLOAD https://raw.githubusercontent.com/jarro2783/cxxopts/master/include/cxxopts.hpp ${CMAKE_SOURCE_DIR}/include/cxxopts.hpp)
+
+  if( ${TEST_LEVEL} STREQUAL "unit" )
+    add_executable(gazosan_unit_test tests/unit_tests/imageDiffCalc_test.cpp)
+    target_link_libraries( gazosan_unit_test ${OpenCV_LIBS} ${gtest} ${gtest_main} )
+  elseif( ${TEST_LEVEL} STREQUAL "integration" )
+    add_executable( gazosan_integration_test tests/integration_tests/imageDiffCalc_test.cpp )
+    target_link_libraries( gazosan_integration_test ${OpenCV_LIBS} ${gtest} ${gtest_main} )
+  elseif( ${TEST_LEVEL} STREQUAL "system" )
+    add_executable( gazosan_system_test tests/system_tests/imageDiffCalc_test.cpp )
+    target_link_libraries( gazosan_system_test ${OpenCV_LIBS} ${gtest} ${gtest_main} )
+  endif()
+else()
+  set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin )
+
+  if(EXISTS "${CMAKE_SOURCE_DIR}/libimageDiffCalc.a")
+    # Use static link library file
+    # Works only on ubuntu
+    add_executable( gazosan src/main.cpp )
+    target_link_libraries( gazosan ${OpenCV_LIBS} ${CMAKE_SOURCE_DIR}/libimageDiffCalc.a )
+  else()
+    # Build with source code
+    # Works on linux machine
+    file(DOWNLOAD https://raw.githubusercontent.com/jarro2783/cxxopts/master/include/cxxopts.hpp ${CMAKE_SOURCE_DIR}/include/cxxopts.hpp)
+    include_directories( include/ )
+    add_library(imageDiffCalc STATIC src/imageDiffCalc.cpp )
+    add_executable( gazosan src/main.cpp )
+    target_link_libraries( gazosan ${OpenCV_LIBS} imageDiffCalc )
+  endif()
+endif()
\ No newline at end of file

From 2fab00da9bc9accb420de3fde542f2f57b96ee33 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Sun, 22 Mar 2020 23:12:18 +0900
Subject: [PATCH 02/13] fix dockerfile

---
 Dockerfile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 6b9d94f..38c8d9c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,9 @@ FROM rhikimochi/opencv-docker:v0.14
 
 COPY . /run
 WORKDIR /run
-RUN g++ -std=c++11 ./src/main.cpp -L./ -limageDiffCalc -o gazosan `pkg-config --libs opencv`
-RUN mv gazosan /usr/local/bin
+RUN mkdir build && \
+    cd build && \
+    cmake .. && \
+    make
+RUN mv bin/gazosan /usr/local/bin
 RUN rm -r /run/*
\ No newline at end of file

From f5dcd3a436791188b117dd6531c3719ee664d0c2 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 08:42:12 +0900
Subject: [PATCH 03/13] fix circle ci config

---
 .circleci/config.yml | 70 ++++++++++++++++++++------------------------
 .circleci/cxxops.sh  |  5 ----
 2 files changed, 31 insertions(+), 44 deletions(-)
 delete mode 100644 .circleci/cxxops.sh

diff --git a/.circleci/config.yml b/.circleci/config.yml
index ff6b6a9..8707299 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,24 +1,6 @@
 version: 2.1
 
 commands:
-  prepare_for_build:
-    description: "Prepare for build."
-    steps:
-      - restore_cache:
-          keys:
-            - v1-cxxops-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/cxxops.sh" }}
-            - v1-cxxops-cache-{{ .Branch }}-{{ .Revision }}-
-            - v1-cxxops-cache-{{ .Branch }}-
-      - run: 
-          name: download cxxopts.hpp
-          command: |
-            if [ ! -e include/cxxops.hpp ]; then
-              bash .circleci/cxxops.sh;
-            fi
-      - save_cache:
-          key: v1-cxxops-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/cxxops.sh" }}
-          paths:
-            - include
   prepare_for_test:
     description: "Prepare for test."
     steps:
@@ -34,9 +16,16 @@ commands:
               bash .circleci/build_googletest.sh;
             fi
       - save_cache:
-          key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/cxxops.sh" }}
+          key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/build_googletest.sh" }}
           paths:
             - tests/googletest
+  prepare_for_cmake:
+    description: "Prepare directory for cmake."
+    steps:
+      - run:
+          name: prepare build directory
+          command: |
+            mkdir build && cd build
 jobs:
   google_test:
     working_directory: ~/test
@@ -44,45 +33,48 @@ jobs:
       - image: rhikimochi/opencv-docker:v0.14
     steps:
       - checkout
-      - prepare_for_build
       - prepare_for_test
+      - prepare_for_cmake
       - run:
           name: build unit test
           command: |
-            g++ -std=c++11 ./tests/unit_tests/imageDiffCalc_test.cpp -o test `pkg-config --cflags --libs opencv` -Isrc -Iinclude -Itests/googletest/include -Ltests/googletest -lgtest -lgtest_main -lpthread
-      - run:
-          name: unit test
-          command: ./test
+            cmake .. -DGTEST=ON -DTEST_LEVEL=unit && make
       - run:
           name: build integration test
           command: |
-            g++ -std=c++11 ./tests/integration_tests/imageDiffCalc_test.cpp -o test `pkg-config --cflags --libs opencv` -Isrc -Iinclude -Itests/googletest/include -Ltests/googletest -lgtest -lgtest_main -lpthread
-      - run:
-          name: integration test
-          command: ./test
+            cmake .. -DGTEST=ON -DTEST_LEVEL=integration && make
       - run:
           name: build system test
           command: |
-            g++ -std=c++11 ./tests/system_tests/imageDiffCalc_test.cpp -o test `pkg-config --cflags --libs opencv` -Isrc -Iinclude -Itests/googletest/include -Ltests/googletest -lgtest -lgtest_main -lpthread
+            cmake .. -DGTEST=ON -DTEST_LEVEL=system && make
+      - run:
+          name: back to working directory
+          command: cd ..
+      - run:
+          name: execute unit test
+          command: ./gazosan_unit_test
       - run:
-          name: syetem test
-          command: ./test
+          name: execute integration test
+          command: ./gazosan_integration_test
+      - run:
+          name: execute syetem test
+          command: ./gazosan_system_test
   build_library:
     working_directory: /tmp/build
     docker:
       - image: rhikimochi/opencv-docker:v0.14
     steps:
       - checkout
-      - prepare_for_build
+      - prepare_for_cmake
       - run:
-          name: Make object file
-          command: g++ -std=c++11 ./src/imageDiffCalc.cpp `pkg-config --libs --cflags opencv` -Iinclude -c
+          name: build gazosan
+          command: cmake .. -DGTEST=OFF && make && cd ..
       - run:
-          name: Make static library
-          command: ar r libimageDiffCalc.a imageDiffCalc.o
+          name: move static library
+          command: mv build/libimageDiffCalc.a libimageDiffCalc.a
       - persist_to_workspace:
           root: /tmp/build
-          paths: 
+          paths:
             - libimageDiffCalc.a
   build_and_deploy_image:
     working_directory: ~/build
@@ -92,13 +84,13 @@ jobs:
     steps:
       - checkout
       - attach_workspace:
-          at: /tmp/build    
+          at: /tmp/build
       - run:
           name: Move library
           command: mv /tmp/build/libimageDiffCalc.a ~/build/
       - run:
           name: Build and tagged image
-          command: | 
+          command: |
             docker build -t "$DOCKER_HUB_USER"/"$DOCKER_HUB_REPO":"${CIRCLE_TAG/v/}" .
             docker tag "$DOCKER_HUB_USER"/"$DOCKER_HUB_REPO":"${CIRCLE_TAG/v/}" "$DOCKER_HUB_USER"/"$DOCKER_HUB_REPO":latest
       - run:
diff --git a/.circleci/cxxops.sh b/.circleci/cxxops.sh
deleted file mode 100644
index 5a86817..0000000
--- a/.circleci/cxxops.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-mkdir -p include
-curl -OLsS 'https://raw.githubusercontent.com/jarro2783/cxxopts/master/include/cxxopts.hpp'
-mv cxxopts.hpp include/
\ No newline at end of file

From b297077cfba39a87b6fb7aed4acb7da1d84cee26 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 08:54:23 +0900
Subject: [PATCH 04/13] fix readme

---
 README.md | 79 +++++++++++++++++++++++++++----------------------------
 1 file changed, 39 insertions(+), 40 deletions(-)

diff --git a/README.md b/README.md
index d9db18a..5b44da6 100644
--- a/README.md
+++ b/README.md
@@ -76,43 +76,18 @@ Each color stands for:
 
 ## How to build Gazo-san
 
-### Compile with static link library
-
-> Works only on Ubuntu
-
-1. Download static link library file
-
-```bash
-curl -OLsS https://github.com/lifull-dev/Gazo-san/releases/download/{VERSION}/libimageDiffCalc.a
+1. Build Gazo-san by CMake
 ```
-
-2. Compile main.cpp
-
-```bash
-g++ -std=c++11 ./src/main.cpp -L./ -limageDiffCalc -o gazosan `pkg-config --libs opencv`
+mkdir build
+cd build
+cmake ..
+make
+cd ..
 ```
-
-### Compile with source code
-
-> Works on linux machine or Mac
-
-> Works on gcc version 4.2.1
-
-1. Create directory and Download [cxxopts.hpp](https://github.com/jarro2783/cxxopts/blob/master/include/cxxopts.hpp) into include directory.
-
+2. Binary file is in bin directory
 ```bash
-sh .circleci/cxxops.sh
-```
-
-2. Add include in main.cpp
-```
-#include "imageDiffCalc.cpp"
-```
-
-3. Compile main.cpp
-
-```bash
-g++ -std=c++11 -I include/ ./src/main.cpp -o gazosan `pkg-config --libs --cflags opencv`
+cd bin
+./gazosan
 ```
 
 ## Execute Gazo-san
@@ -143,23 +118,47 @@ sh .circleci/build_googletest.sh
 
 #### Unit test
 
+1. Build unit tests by CMake
+```
+mkdir build
+cd build
+cmake .. -DGTEST=ON -DTEST_LEVEL=unit
+make
+cd ..
+```
+2. Execute unit tests
 ```bash
-g++ -std=c++11 ./tests/unit_tests/imageDiffCalc_test.cpp -o test `pkg-config --cflags --libs opencv` -Isrc -Iinclude -Itests/googletest/include -Ltests/googletest -lgtest -lgtest_main -lpthread
-./test
+./gazosan_unit_test
 ```
 
 #### Integration test
 
+1. Build integration tests by CMake
+```
+mkdir build
+cd build
+cmake .. -DGTEST=ON -DTEST_LEVEL=integration
+make
+cd ..
+```
+2. Execute integration tests
 ```bash
-g++ -std=c++11 ./tests/integration_tests/imageDiffCalc_test.cpp -o test `pkg-config --libs --cflags opencv` -Isrc -Iinclude -Itests/googletest/include -Ltests/googletest -lgtest -lgtest_main -lpthread
-./test
+./gazosan_integration_test
 ```
 
 #### System test
 
+1. Build system tests by CMake
+```
+mkdir build
+cd build
+cmake .. -DGTEST=ON -DTEST_LEVEL=system
+make
+cd ..
+```
+2. Execute system tests
 ```bash
-g++ -std=c++11 ./tests/system_tests/imageDiffCalc_test.cpp -o test `pkg-config --libs --cflags opencv` -Isrc -Iinclude -Itests/googletest/include -Ltests/googletest -lgtest -lgtest_main -lpthread
-./test
+./gazosan_system_test
 ```
 
 ## License

From 9ec798c0fbcc13414f8d8cc796446e1dd281a12a Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:10:05 +0900
Subject: [PATCH 05/13] fix config

---
 .circleci/build_googletest.sh | 4 ++--
 .circleci/config.yml          | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/.circleci/build_googletest.sh b/.circleci/build_googletest.sh
index 3a9263f..2ff8c2f 100644
--- a/.circleci/build_googletest.sh
+++ b/.circleci/build_googletest.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
-          
+
 GOOGLETEST_VER=1.10.0
 curl -OLsS https://github.com/google/googletest/archive/release-"$GOOGLETEST_VER".tar.gz
 tar -zxvf release-"$GOOGLETEST_VER".tar.gz
 cd googletest-release-"$GOOGLETEST_VER" || exit
 mkdir build
-cd build || exit 
+cd build || exit
 cmake ..
 make
 cd ../../ || exit
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8707299..2e8554b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -24,8 +24,7 @@ commands:
     steps:
       - run:
           name: prepare build directory
-          command: |
-            mkdir build && cd build
+          command: mkdir build && cd build
 jobs:
   google_test:
     working_directory: ~/test

From ce1c32bc7a53eb96d07e7694f672abe38f8da2fb Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:23:50 +0900
Subject: [PATCH 06/13] fix config

---
 .circleci/config.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2e8554b..6ba8fa1 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -19,12 +19,6 @@ commands:
           key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/build_googletest.sh" }}
           paths:
             - tests/googletest
-  prepare_for_cmake:
-    description: "Prepare directory for cmake."
-    steps:
-      - run:
-          name: prepare build directory
-          command: mkdir build && cd build
 jobs:
   google_test:
     working_directory: ~/test
@@ -33,7 +27,10 @@ jobs:
     steps:
       - checkout
       - prepare_for_test
-      - prepare_for_cmake
+      - run:
+          name: prepare build directory
+          command: |
+            mkdir build && cd build
       - run:
           name: build unit test
           command: |
@@ -64,7 +61,10 @@ jobs:
       - image: rhikimochi/opencv-docker:v0.14
     steps:
       - checkout
-      - prepare_for_cmake
+      - run:
+          name: prepare build directory
+          command: |
+            mkdir build && cd build
       - run:
           name: build gazosan
           command: cmake .. -DGTEST=OFF && make && cd ..

From 9c55c73300ea2fe8b9dd94f4cf156cf70dbe9ac2 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:28:13 +0900
Subject: [PATCH 07/13] debug

---
 .circleci/config.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6ba8fa1..146f61d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -30,11 +30,11 @@ jobs:
       - run:
           name: prepare build directory
           command: |
-            mkdir build && cd build
+            mkdir build && cd build && ls && pwd
       - run:
           name: build unit test
           command: |
-            cmake .. -DGTEST=ON -DTEST_LEVEL=unit && make
+            ls && pwd && cmake .. -DGTEST=ON -DTEST_LEVEL=unit && make
       - run:
           name: build integration test
           command: |

From 1101854a642cb00e6ccd8dfcb0e31e02008da008 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:32:51 +0900
Subject: [PATCH 08/13] fix config

---
 .circleci/config.yml | 27 ++++++++++++---------------
 1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 146f61d..9780140 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -19,6 +19,12 @@ commands:
           key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/build_googletest.sh" }}
           paths:
             - tests/googletest
+  prepare_for_cmake:
+    description: "Prepare directory for cmake."
+    steps:
+      - run:
+          name: prepare build directory
+          command: mkdir build
 jobs:
   google_test:
     working_directory: ~/test
@@ -27,25 +33,19 @@ jobs:
     steps:
       - checkout
       - prepare_for_test
-      - run:
-          name: prepare build directory
-          command: |
-            mkdir build && cd build && ls && pwd
+      - prepare_for_cmake
       - run:
           name: build unit test
           command: |
-            ls && pwd && cmake .. -DGTEST=ON -DTEST_LEVEL=unit && make
+            cd build && cmake .. -DGTEST=ON -DTEST_LEVEL=unit && make
       - run:
           name: build integration test
           command: |
-            cmake .. -DGTEST=ON -DTEST_LEVEL=integration && make
+            cd build && cmake .. -DGTEST=ON -DTEST_LEVEL=integration && make
       - run:
           name: build system test
           command: |
-            cmake .. -DGTEST=ON -DTEST_LEVEL=system && make
-      - run:
-          name: back to working directory
-          command: cd ..
+            cd build && cmake .. -DGTEST=ON -DTEST_LEVEL=system && make
       - run:
           name: execute unit test
           command: ./gazosan_unit_test
@@ -61,13 +61,10 @@ jobs:
       - image: rhikimochi/opencv-docker:v0.14
     steps:
       - checkout
-      - run:
-          name: prepare build directory
-          command: |
-            mkdir build && cd build
+      - prepare_for_cmake
       - run:
           name: build gazosan
-          command: cmake .. -DGTEST=OFF && make && cd ..
+          command: cd build && cmake .. -DGTEST=OFF && make && cd ..
       - run:
           name: move static library
           command: mv build/libimageDiffCalc.a libimageDiffCalc.a

From a3ed816a6e8da36709cc2456404e2fc1423e8e48 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:49:13 +0900
Subject: [PATCH 09/13] back shell file

---
 .circleci/build_googletest.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.circleci/build_googletest.sh b/.circleci/build_googletest.sh
index 2ff8c2f..3a9263f 100644
--- a/.circleci/build_googletest.sh
+++ b/.circleci/build_googletest.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
-
+          
 GOOGLETEST_VER=1.10.0
 curl -OLsS https://github.com/google/googletest/archive/release-"$GOOGLETEST_VER".tar.gz
 tar -zxvf release-"$GOOGLETEST_VER".tar.gz
 cd googletest-release-"$GOOGLETEST_VER" || exit
 mkdir build
-cd build || exit
+cd build || exit 
 cmake ..
 make
 cd ../../ || exit

From 88f141f99adea17c8ca252141a6126653a32aaa6 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:53:26 +0900
Subject: [PATCH 10/13] debug

---
 .circleci/build_googletest.sh | 4 ++--
 .circleci/config.yml          | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/.circleci/build_googletest.sh b/.circleci/build_googletest.sh
index 3a9263f..2ff8c2f 100644
--- a/.circleci/build_googletest.sh
+++ b/.circleci/build_googletest.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
-          
+
 GOOGLETEST_VER=1.10.0
 curl -OLsS https://github.com/google/googletest/archive/release-"$GOOGLETEST_VER".tar.gz
 tar -zxvf release-"$GOOGLETEST_VER".tar.gz
 cd googletest-release-"$GOOGLETEST_VER" || exit
 mkdir build
-cd build || exit 
+cd build || exit
 cmake ..
 make
 cd ../../ || exit
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9780140..2f560fc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -34,6 +34,10 @@ jobs:
       - checkout
       - prepare_for_test
       - prepare_for_cmake
+      - run:
+          name: debug
+          command: |
+            ls tests/googletest
       - run:
           name: build unit test
           command: |

From 7d488fc3ae117f4ae8770823440a8d14a89b6000 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 21:56:52 +0900
Subject: [PATCH 11/13] remove cache

---
 .circleci/config.yml | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2f560fc..37fbb4c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,21 +4,9 @@ commands:
   prepare_for_test:
     description: "Prepare for test."
     steps:
-      - restore_cache:
-          keys:
-            - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{ checksum ".circleci/build_googletest.sh" }}
-            - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-
-            - v1-gtest-cache-{{ .Branch }}-
       - run:
           name: download and build google test
-          command: |
-            if [ ! -d tests/googletest ]; then
-              bash .circleci/build_googletest.sh;
-            fi
-      - save_cache:
-          key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/build_googletest.sh" }}
-          paths:
-            - tests/googletest
+          command: bash .circleci/build_googletest.sh
   prepare_for_cmake:
     description: "Prepare directory for cmake."
     steps:
@@ -34,10 +22,6 @@ jobs:
       - checkout
       - prepare_for_test
       - prepare_for_cmake
-      - run:
-          name: debug
-          command: |
-            ls tests/googletest
       - run:
           name: build unit test
           command: |

From 46a19c17e9dcda54abecefea3110afcc7e618b77 Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Mon, 23 Mar 2020 22:10:45 +0900
Subject: [PATCH 12/13] fix cmake list

---
 .circleci/config.yml | 14 +++++++++++++-
 CMakeLists.txt       |  6 +++---
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 37fbb4c..9780140 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,9 +4,21 @@ commands:
   prepare_for_test:
     description: "Prepare for test."
     steps:
+      - restore_cache:
+          keys:
+            - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{ checksum ".circleci/build_googletest.sh" }}
+            - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-
+            - v1-gtest-cache-{{ .Branch }}-
       - run:
           name: download and build google test
-          command: bash .circleci/build_googletest.sh
+          command: |
+            if [ ! -d tests/googletest ]; then
+              bash .circleci/build_googletest.sh;
+            fi
+      - save_cache:
+          key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/build_googletest.sh" }}
+          paths:
+            - tests/googletest
   prepare_for_cmake:
     description: "Prepare directory for cmake."
     steps:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 576a07b..bd78fe7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,13 +16,13 @@ if(GTEST)
 
   if( ${TEST_LEVEL} STREQUAL "unit" )
     add_executable(gazosan_unit_test tests/unit_tests/imageDiffCalc_test.cpp)
-    target_link_libraries( gazosan_unit_test ${OpenCV_LIBS} ${gtest} ${gtest_main} )
+    target_link_libraries( gazosan_unit_test ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread )
   elseif( ${TEST_LEVEL} STREQUAL "integration" )
     add_executable( gazosan_integration_test tests/integration_tests/imageDiffCalc_test.cpp )
-    target_link_libraries( gazosan_integration_test ${OpenCV_LIBS} ${gtest} ${gtest_main} )
+    target_link_libraries( gazosan_integration_test ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread )
   elseif( ${TEST_LEVEL} STREQUAL "system" )
     add_executable( gazosan_system_test tests/system_tests/imageDiffCalc_test.cpp )
-    target_link_libraries( gazosan_system_test ${OpenCV_LIBS} ${gtest} ${gtest_main} )
+    target_link_libraries( gazosan_system_test ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread )
   endif()
 else()
   set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin )

From 350111c88da369a457f4e37e5cef6e97e015f54e Mon Sep 17 00:00:00 2001
From: RUEY JYE <jyeruey@jyeruey.local>
Date: Thu, 26 Mar 2020 08:58:55 +0900
Subject: [PATCH 13/13] fix for review

---
 .circleci/config.yml                     |  8 ++++----
 CMakeLists.txt                           | 22 +++++++++++++++-------
 {.circleci => tests}/build_googletest.sh |  0
 3 files changed, 19 insertions(+), 11 deletions(-)
 rename {.circleci => tests}/build_googletest.sh (100%)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9780140..f01e8ab 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,17 +6,17 @@ commands:
     steps:
       - restore_cache:
           keys:
-            - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{ checksum ".circleci/build_googletest.sh" }}
+            - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{ checksum "tests/build_googletest.sh" }}
             - v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-
             - v1-gtest-cache-{{ .Branch }}-
       - run:
           name: download and build google test
           command: |
             if [ ! -d tests/googletest ]; then
-              bash .circleci/build_googletest.sh;
+              bash tests/build_googletest.sh;
             fi
       - save_cache:
-          key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum ".circleci/build_googletest.sh" }}
+          key: v1-gtest-cache-{{ .Branch }}-{{ .Revision }}-{{ checksum "tests/build_googletest.sh" }}
           paths:
             - tests/googletest
   prepare_for_cmake:
@@ -64,7 +64,7 @@ jobs:
       - prepare_for_cmake
       - run:
           name: build gazosan
-          command: cd build && cmake .. -DGTEST=OFF && make && cd ..
+          command: cd build && cmake .. && make
       - run:
           name: move static library
           command: mv build/libimageDiffCalc.a libimageDiffCalc.a
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bd78fe7..d5c280d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,8 +7,15 @@ include_directories( ${OpenCV_INCLUDE_DIRS} )
 
 if(GTEST)
   set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})
+  if(NOT EXISTS "${CMAKE_SOURCE_DIR}/tests/googletest")
+    execute_process(
+      COMMAND bash tests/build_googletest.sh
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    )
+  endif()
   set (gtest ${CMAKE_SOURCE_DIR}/tests/googletest/libgtest.a)
   set (gtest_main ${CMAKE_SOURCE_DIR}/tests/googletest/libgtest_main.a)
+  set (LIBRARIES_FOR_TEST ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread)
   include_directories( src/ )
   include_directories( include/ )
   include_directories( tests/googletest/include/ )
@@ -16,29 +23,30 @@ if(GTEST)
 
   if( ${TEST_LEVEL} STREQUAL "unit" )
     add_executable(gazosan_unit_test tests/unit_tests/imageDiffCalc_test.cpp)
-    target_link_libraries( gazosan_unit_test ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread )
+    target_link_libraries( gazosan_unit_test ${LIBRARIES_FOR_TEST} )
   elseif( ${TEST_LEVEL} STREQUAL "integration" )
     add_executable( gazosan_integration_test tests/integration_tests/imageDiffCalc_test.cpp )
-    target_link_libraries( gazosan_integration_test ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread )
+    target_link_libraries( gazosan_integration_test ${LIBRARIES_FOR_TEST} )
   elseif( ${TEST_LEVEL} STREQUAL "system" )
     add_executable( gazosan_system_test tests/system_tests/imageDiffCalc_test.cpp )
-    target_link_libraries( gazosan_system_test ${OpenCV_LIBS} ${gtest} ${gtest_main} -lpthread )
+    target_link_libraries( gazosan_system_test ${LIBRARIES_FOR_TEST} )
   endif()
 else()
   set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin )
+  set (BIN_NAME gazosan )
 
   if(EXISTS "${CMAKE_SOURCE_DIR}/libimageDiffCalc.a")
     # Use static link library file
     # Works only on ubuntu
-    add_executable( gazosan src/main.cpp )
-    target_link_libraries( gazosan ${OpenCV_LIBS} ${CMAKE_SOURCE_DIR}/libimageDiffCalc.a )
+    add_executable( ${BIN_NAME} src/main.cpp )
+    target_link_libraries( ${BIN_NAME} ${OpenCV_LIBS} ${CMAKE_SOURCE_DIR}/libimageDiffCalc.a )
   else()
     # Build with source code
     # Works on linux machine
     file(DOWNLOAD https://raw.githubusercontent.com/jarro2783/cxxopts/master/include/cxxopts.hpp ${CMAKE_SOURCE_DIR}/include/cxxopts.hpp)
     include_directories( include/ )
     add_library(imageDiffCalc STATIC src/imageDiffCalc.cpp )
-    add_executable( gazosan src/main.cpp )
-    target_link_libraries( gazosan ${OpenCV_LIBS} imageDiffCalc )
+    add_executable( ${BIN_NAME} src/main.cpp )
+    target_link_libraries( ${BIN_NAME} ${OpenCV_LIBS} imageDiffCalc )
   endif()
 endif()
\ No newline at end of file
diff --git a/.circleci/build_googletest.sh b/tests/build_googletest.sh
similarity index 100%
rename from .circleci/build_googletest.sh
rename to tests/build_googletest.sh