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<div name="messageBodySection" style="font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, sans-serif;">Command target_link_libraries do not populate directly the properties of the target due to many constraints regarding the values given to the command (generator expressions, other targets, etc…).

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<div>The full contents is taken into account at generation time not at the configuration time. This is why you cannot get full information using command get_target_property which is evaluated at configuration time.</div>

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<div name="messageReplySection" style="font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, sans-serif;">Le 21 déc. 2018 à 09:30 +0100, Ciccio Pasticcio <dodungocorporation@gmail.com>, a écrit :<br />

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<div>Hi all,<br /></div>

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<div>considering the following CMakeLists.txt:</div>

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<div>PROJECT(lib_foo)</div>

<div>ADD_LIBRARY(lib_foo SHARED <src>)</div>

<div>TARGET_INCLUDE_DIRECTORIES(PRIVATE private/ PUBLIC inc/)<br /></div>

<div>FIND_PACKAGE(Boost 1.55 REQUIRED COMPONENTS chrono system)</div>

<div>TARGET_LINK_LIBRARIES(lib_foo PRIVATE Boost::chrono Boost::system)</div>

<div>GET_TARGET_PROPERTIES(tinc lib_foo INCLUDE_DIRECTORIES)<br /></div>

<div>MESSAGE(STATUS "Include dirs: ${tinc}")</div>

<div><br /></div>

<div>I would expect a message with my private/ and inc/ paths, plus the one that comes with the Boost libraries, instead I only get the directories specified in TARGET_INCLUDE_DIRECTORIES. The manpage of TARGET_LINK_LIBRARIES says:</div>

<div><code class="gmail-docutils gmail-literal gmail-notranslate"><span class="gmail-pre">PRIVATE</span></code> and <code class="gmail-docutils gmail-literal gmail-notranslate"><span class="gmail-pre">PUBLIC</span></code> items will populate the <span class="gmail-target" id="gmail-index-0-prop_tgt:INCLUDE_DIRECTORIES"></span><a class="gmail-reference gmail-internal" href="https://cmake.org/cmake/help/v3.13/prop_tgt/INCLUDE_DIRECTORIES.html#prop_tgt:INCLUDE_DIRECTORIES" title="INCLUDE_DIRECTORIES"><code class="gmail-xref gmail-cmake gmail-cmake-prop_tgt gmail-docutils gmail-literal gmail-notranslate"><span class="gmail-pre">INCLUDE_DIRECTORIES</span></code></a> property of <code class="gmail-docutils gmail-literal gmail-notranslate"><span class="gmail-pre"><target></span></code>.</div>

<div><br /></div>

<div>If I print Boost_INCLUDE_DIR I found the inclusion path.</div>

<div><br /></div>

<div>Am I missing something?</div>

<div><br /></div>

<div>Thanks,<br /></div>

<div>Gabriele<br /></div>

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