Add CMake build

.gitignore

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+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# Hunter/polly 
+_logs/*
+_builds/*
+_install/*
+_framework/*
+_os/*
+_archives/*
+_assets/*
+
+# Store releases
+releases/*
+
+# Mac OS X
+.DS_Store
+
+# Emacs
+*.*~
+*~
+
+# TAGS
+TAGS
+
+# Common backup
+*.orig

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.0)
+
+include("cmake/HunterGate.cmake")
+HunterGate(
+  URL "https://github.com/ruslo/hunter/archive/v0.19.44.tar.gz"
+  SHA1 "a68f92d1370d738ff058ec1d36a02cf4cdc34af6"
+)
+
+project(pico VERSION 0.0.1)
+
+option(PICO_BUILD_APPS "Build applications" OFF)
+
+add_library(pico rnt/picornt.c rnt/picornt.h)
+
+#inclue "picornt.h"
+target_include_directories(pico
+  INTERFACE
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/rnt>"
+  )
+
+if(PICO_BUILD_APPS)
+
+  find_package(OpenMP)
+  if (OPENMP_FOUND)
+    add_executable(pico-train gen/picolrn.c)
+    target_compile_definitions(pico-test PICO_HAS_OPENMP=1)    
+    install(TARGETS pico-train DESTINATION bin)    
+  endif()
+
+  hunter_add_package(OpenCV)
+  find_package(OpenCV REQUIRED)
+
+  add_executable(pico-test rnt/sample/sample.c)  
+  target_link_libraries(pico-test pico ${OpenCV_LIBS})
+  install(TARGETS pico-test DESTINATION bin)
+
+endif()
+
+# Installation (https://github.com/forexample/package-example)
+
+set(config_install_dir "lib/cmake/${PROJECT_NAME}")
+set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
+set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
+set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
+set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
+set(namespace "${PROJECT_NAME}::")
+set(include_install_dir "include")
+
+include(CMakePackageConfigHelpers)
+
+# Note: PROJECT_VERSION is used as a VERSION
+write_basic_package_version_file(
+  "${version_config}" COMPATIBILITY SameMajorVersion
+  )
+
+# Use variables:
+#   * TARGETS_EXPORT_NAME
+#   * PROJECT_NAME
+configure_package_config_file(
+  "${PROJECT_SOURCE_DIR}/cmake/Config.cmake.in"
+  "${project_config}"
+  INSTALL_DESTINATION "${config_install_dir}"
+  )
+
+install(
+  FILES "${project_config}" "${version_config}"
+  DESTINATION "${config_install_dir}"
+  )
+
+install(
+  EXPORT "${TARGETS_EXPORT_NAME}"
+  NAMESPACE "${namespace}"
+  DESTINATION "${config_install_dir}"
+  )
+
+install(
+  FILES
+  rnt/picornt.h  
+  DESTINATION "${include_install_dir}/${PROJECT_NAME}"
+)
+
+install(
+  TARGETS pico
+  EXPORT "${TARGETS_EXPORT_NAME}"
+  LIBRARY DESTINATION "lib"
+  ARCHIVE DESTINATION "lib"
+  RUNTIME DESTINATION "bin"
+  INCLUDES DESTINATION "include"
+  )
+
+
+

cmake/Config.cmake.in

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+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/@TARGETS_EXPORT_NAME@.cmake")
+check_required_components("@PROJECT_NAME@")