CMakeLists.txt

# ~~~
# @file      CMakeLists.txt
# @author    Ignacio Vizzo     [ivizzo@uni-bonn.de]
#
# Copyright (c) 2019 Ignacio Vizzo, all rights reserved
cmake_minimum_required(VERSION 3.1)
project(opencv_test)

# Set build type if not set.
if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Release)
endif()

# Set additional flags.
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_CXX_FLAGS "-Wall -Wextra")
set(CMAKE_CXX_FLAGS_DEBUG "-g -O0")
set(CMAKE_CXX_FLAGS_RELEASE "-O3")

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/lib/)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include/)

# Create a results dir in project root where we will put the results of the
# build
set(RESULTS_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/results)
file(MAKE_DIRECTORY ${RESULTS_OUTPUT_DIRECTORY})

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${RESULTS_OUTPUT_DIRECTORY}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${RESULTS_OUTPUT_DIRECTORY}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${RESULTS_OUTPUT_DIRECTORY}/bin)

# Attempt to find OpenCV4 on your system, for more details please read
# /usr/share/OpenCV/OpenCVConfig.cmake
find_package(OpenCV 4 REQUIRED)
if(OpenCV_FOUND)
  message(STATUS "Found OpenCV version ${OpenCV_VERSION}")
  message(STATUS "OpenCV directories: ${OpenCV_INCLUDE_DIRS}")
  include_directories(${OpenCV_INCLUDE_DIRS})
else()
  message(FATAL_ERROR "OpenCV not found, please read the README.md")
endif(OpenCV_FOUND)

# After all are setup is done, we can go to our src/ directory to build our
# files
add_subdirectory("src")