[CMake] FILE command in make_custom_target

[Philippe Fremy]

        Hi,

I want a directory to be built when a custom target is executed.

I tried something like this:

        add_custom_target(
                doc_libyzis
                COMMAND FILE( MAKE_DIRECTORY 
${CMAKE_CURRENT_SOURCE_DIR}/../apidoc )
                COMMAND ${DOXYGEN} libyzis.doxy
                WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                COMMENT "Building libyzis api documentation"
        )



and several variation but none would work.

Then I thought that I should make the directory creation a rule, with my
 custom target depending on it. But to create a new rule, I need
add_custom_command and I am back to square 1.

Is there any way to achieve what I want ?

        regards,

        Philippe



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