Improve CMake integration

  LANGUAGES NONE

)

message(STATUS "[genopts] hi!")

message(STATUS "[${PROJECT_NAME}] Project version: ${PROJECT_VERSION}")

find_package(Python3 3.8 REQUIRED COMPONENTS Interpreter)

set(GENOPTS_VIRTUALENV ${CMAKE_CURRENT_BINARY_DIR}/venv)

# Create a virtual environment that can be used to run genopts

add_custom_command(

  OUTPUT ${GENOPTS_VIRTUALENV}

  COMMENT "Creating virtualenv for genopts at ${GENOPTS_VIRTUALENV}"

  COMMAND ${GENOPTS_VIRTUALENV}/bin/pip install -e ${CMAKE_CURRENT_SOURCE_DIR}

)

# ensure that the virtual environment is created by the build process

# Ensure that the virtual environment is created by the build process

if(NOT TARGET genopts_virtualenv)

  add_custom_target(

    genopts_virtualenv ALL

  )

endif()

# Export a target with the location of the script in case someone needs this

# information.

add_executable(Genopts::Script IMPORTED GLOBAL)

set(GENOPTS_SCRIPT "/home/amiranda/var/projects/genopts/genopts/genopts.py")

set_target_properties(

  Genopts::Script PROPERTIES IMPORTED_LOCATION ${GENOPTS_SCRIPT}

  Genopts::Script PROPERTIES IMPORTED_LOCATION

                             ${CMAKE_CURRENT_LIST_DIR}/genopts/genopts.py}

)

# Export a target with the location of the Python interpreter of the

# virtual environment. This allows CMake users to easily call the script.

add_executable(Genopts::Python3_Interpreter IMPORTED GLOBAL)

set_target_properties(

  Genopts::Python3_Interpreter PROPERTIES IMPORTED_LOCATION