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evision

0.1.18
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OpenCV-Erlang/Elixir binding.

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evision CMakeLists.txt
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CMakeLists.txt 

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(evision)



if(NOT DEFINED CMAKE_BUILD_TYPE OR "${CMAKE_BUILD_TYPE}" STREQUAL "")

    set(CMAKE_BUILD_TYPE "Release")

endif()



if(DEFINED MIX_APP_PATH AND NOT "${MIX_APP_PATH}" STREQUAL "")

    set(PRIV_DIR "${MIX_APP_PATH}/priv")

else()

    set(PRIV_DIR "${CMAKE_CURRENT_SOURCE_DIR}/priv")

endif()

message(STATUS "Using PRIV_DIR: ${PRIV_DIR}")



if(DEFINED ERTS_INCLUDE_DIR AND NOT "${ERTS_INCLUDE_DIR}" STREQUAL "")

    set(ERTS_INCLUDE_DIR "${ERTS_INCLUDE_DIR}")

else()

    if(WIN32)

        execute_process(COMMAND powershell -command "erl -noshell -s init stop -eval \"io:format('~ts/erts-~ts/include/', [code:root_dir(), erlang:system_info(version)]).\"" OUTPUT_VARIABLE ERTS_INCLUDE_DIR)

    else()

        execute_process(COMMAND bash -c "erl -noshell -s init stop -eval \"io:format('~ts/erts-~ts/include/', [code:root_dir(), erlang:system_info(version)]).\"" OUTPUT_VARIABLE ERTS_INCLUDE_DIR)

    endif()

    set(ERTS_INCLUDE_DIR "${ERTS_INCLUDE_DIR}")

endif()

message(STATUS "Using ERTS_INCLUDE_DIR: ${ERTS_INCLUDE_DIR}")



find_package(OpenCV REQUIRED PATHS "${PRIV_DIR}/" NO_DEFAULT_PATH)

include_directories("${OpenCV_INCLUDE_DIRS}")



if(POLICY CMP0068)

    cmake_policy(SET CMP0068 NEW)

endif()



if(WIN32)

    execute_process(COMMAND "rmdir ${GENERATED_ELIXIR_SRC_DIR} /s /q && rmdir ${GENERATED_ERLANG_SRC_DIR} /s /q  && mkdir ${GENERATED_ELIXIR_SRC_DIR} && mkdir ${GENERATED_ERLANG_SRC_DIR}")

    message(STATUS "Enabled modules: ${ENABLED_CV_MODULES}")

    execute_process(COMMAND python3.exe "${PY_SRC}\\gen2.py" "${C_SRC}" "${GENERATED_ELIXIR_SRC_DIR}" "${GENERATED_ERLANG_SRC_DIR}" "${C_SRC}\\headers.txt" "${EVISION_GENERATE_LANG}" "${ENABLED_CV_MODULES}" RESULT_VARIABLE STATUS)

else()

    execute_process(COMMAND bash -c "rm -rf ${GENERATED_ELIXIR_SRC_DIR} && rm -rf ${GENERATED_ERLANG_SRC_DIR} && mkdir -p ${GENERATED_ELIXIR_SRC_DIR} && mkdir -p ${GENERATED_ERLANG_SRC_DIR}")

    message(STATUS "Enabled modules: ${ENABLED_CV_MODULES}")

    execute_process(COMMAND bash -c "python3 ${PY_SRC}/gen2.py ${C_SRC} ${GENERATED_ELIXIR_SRC_DIR} ${GENERATED_ERLANG_SRC_DIR} ${C_SRC}/headers.txt ${EVISION_GENERATE_LANG} ${ENABLED_CV_MODULES}" RESULT_VARIABLE STATUS)

endif()

if(STATUS STREQUAL "0")

    message(STATUS "Successfully generated binding code for: ${EVISION_GENERATE_LANG}")

else()

    message(FATAL_ERROR "Failed to generate binding code for: ${EVISION_GENERATE_LANG}")

endif()



if(WIN32)

    string(REPLACE "\\" "/" C_SRC "${C_SRC}")

endif()

file(GLOB evision_bindings_main "${C_SRC}/*.hpp" "${C_SRC}/*.h" "${C_SRC}/*.cpp")

file(GLOB evision_custom_headers "${C_SRC}/evision_custom_headers/*.hpp")

file(GLOB evision_modules "${C_SRC}/modules/*.hpp" "${C_SRC}/modules/*.h")

file(GLOB evision_backend "${C_SRC}/modules/evision_backend/*.h")



add_library(evision SHARED

    ${evision_bindings_main}

    ${evision_custom_headers}

    ${evision_modules}

    ${evision_backend}

)

target_link_libraries(evision "${OpenCV_LIBS}")

set_property(TARGET evision PROPERTY CXX_STANDARD 14)

set_target_properties(evision PROPERTIES PREFIX "")

set_target_properties(evision PROPERTIES SUFFIX ".so")



set_target_properties(evision PROPERTIES

    INSTALL_RPATH_USE_LINK_PATH TRUE

    BUILD_WITH_INSTALL_RPATH TRUE

)



if(UNIX AND NOT APPLE)

    set_target_properties(evision PROPERTIES INSTALL_RPATH "\$ORIGIN/lib")

elseif(UNIX AND APPLE)

    # Although the compiler complains about not using these,

    # things only work with them set

    set(CMAKE_SHARED_LINKER_FLAGS "-flat_namespace -undefined suppress -undefined dynamic_lookup")

    set_target_properties(evision PROPERTIES INSTALL_RPATH "@loader_path/lib")

endif()



include_directories(${ERTS_INCLUDE_DIR})

if(WIN32)

    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj /wd4996 /wd4267 /wd4068")

else()

    if (CMAKE_BUILD_TYPE STREQUAL "Debug")

        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")

    else()

        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")

    endif()



    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-deprecated-declarations -Wno-unused-but-set-variable")

endif()