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POHow to tell CMake that install directory depends on phony target?
 

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  1. POHow to tell CMake that install directory depends on phony target?
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    <p>How do I achieve the following in CMake (using version 2.8.5)? I have documentation generated by a custom target named <code>doc</code>, the output of which I would like to include when installing or CPack'ing.</p> <pre><code>add_custom_target( doc "${DOXYGEN_EXECUTABLE}" Doxyfile ) install( DIRECTORY ${CMAKE_BINARY_DIR}/doc DESTINATION doc ) </code></pre> <p>The <code>Doxyfile</code> tells Doxygen to put out the documentation at <code>${CMAKE_BINARY_DIR}/doc</code>.</p> <p>If I do this in the build directory:</p> <pre><code>make doc cpack </code></pre> <p>things works fine, because the first line creates the directory on which the <code>install</code> target depends.</p> <p>However, if I have a fresh build (so <code>${CMAKE_BINARY_DIR}/doc</code> does not exist yet), and I invoke CPack directly:</p> <pre><code>cpack </code></pre> <p>then it complains that it cannot find <code>${CMAKE_BINARY_DIR}/doc</code>:</p> <pre><code>CMake Error at &lt;snip&gt;/build/cmake_install.cmake:36 (FILE): file INSTALL cannot find "&lt;snip&gt;/build/doc". </code></pre> <p>I have also tried the following:</p> <pre><code>add_custom_command( OUTPUT ${CMAKE_BINARY_DIR}/doc COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/Doxyfile ) install( DIRECTORY ${CMAKE_BINARY_DIR}/doc DESTINATION doc ) </code></pre> <p>but I still get the same CPack error, and doing <code>make doc</code> in the build directory does not work either.</p> <p>So if I do the <code>make doc</code> manually before <code>cpack</code> it works with the configuration at the top of this post, but how can I tell cmake/cpack that the <code>install</code> directive depends on the custom target <code>doc</code>, so that building the documentation happens automatically when calling <code>cpack</code> or <code>make install</code>?</p> <p>Thanks!</p>
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    1. USMartijn de Milliano
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