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#[===[.md:
# vcpkg_clean_executables_in_bin

Remove specified executables found in `${CURRENT_PACKAGES_DIR}/bin` and `${CURRENT_PACKAGES_DIR}/debug/bin`. If, after all specified executables have been removed, and the `bin` and `debug/bin` directories are empty, then also delete `bin` and `debug/bin` directories.

## Usage
```cmake
vcpkg_clean_executables_in_bin(
    FILE_NAMES <file1>...
)
```

## Parameters
### FILE_NAMES
A list of executable filenames without extension.

## Notes
Generally, there is no need to call this function manually. Instead, pass an extra `AUTO_CLEAN` argument when calling `vcpkg_copy_tools`.

## Examples
* [czmq](https://github.com/microsoft/vcpkg/blob/master/ports/czmq/portfile.cmake)
#]===]

function(z_vcpkg_clean_executables_in_bin_remove_directory_if_empty directory)
    if(NOT EXISTS "${directory}")
        return()
    endif()

    if(NOT IS_DIRECTORY "${directory}")
        message(FATAL_ERROR "${directory} must be a directory")
    endif()

    file(GLOB items "${directory}/*")
    if("${items}" STREQUAL "")
        file(REMOVE_RECURSE "${directory}")
    endif()
endfunction()


function(vcpkg_clean_executables_in_bin)
    cmake_parse_arguments(PARSE_ARGV 0 arg "" "" "FILE_NAMES")

    if(NOT DEFINED arg_FILE_NAMES)
        message(FATAL_ERROR "FILE_NAMES must be specified.")
    endif()

    if(DEFINED arg_UNPARSED_ARGUMENTS)
        message(WARNING "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
    endif()


    foreach(file_name IN LISTS arg_FILE_NAMES)
        file(REMOVE
            "${CURRENT_PACKAGES_DIR}/bin/${file_name}${VCPKG_TARGET_EXECUTABLE_SUFFIX}"
            "${CURRENT_PACKAGES_DIR}/debug/bin/${file_name}${VCPKG_TARGET_EXECUTABLE_SUFFIX}"
            "${CURRENT_PACKAGES_DIR}/bin/${file_name}.pdb"
            "${CURRENT_PACKAGES_DIR}/debug/bin/${file_name}.pdb"
        )
    endforeach()

    z_vcpkg_clean_executables_in_bin_remove_directory_if_empty("${CURRENT_PACKAGES_DIR}/bin")
    z_vcpkg_clean_executables_in_bin_remove_directory_if_empty("${CURRENT_PACKAGES_DIR}/debug/bin")
endfunction()