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    <div class="moz-cite-prefix">Le 04/06/2018 à 10:16, Eric Noulard a
      écrit :<br>
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cite="mid:CAPASGLqUCnmcA9tVQT95dp-xs5VriMFZ4Jpz495hdacpGJjtKw@mail.gmail.com">
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          <div dir="ltr">Le lun. 4 juin 2018 à 09:59, Stéphane Ancelot
            <<a href="mailto:sancelot@numalliance.com"
              moz-do-not-send="true">sancelot@numalliance.com</a>> a
            écrit :<br>
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          <blockquote class="gmail_quote" style="margin:0px 0px 0px
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            rgb(204,204,204);padding-left:1ex">hi<br>
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            is there a mactro for cpp ?<br>
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          <div>You mean a CMake variable which would contain the path to
            C preprocessor binary? </div>
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          <div>I don't think so, at list no xxx_<LANG>_xxx
            variable seems to exists for that.</div>
          <div>Did you check "cmake --help-variable-list" ?</div>
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          <div>May be you can ask the compiler to act a the C
            pre-processor?</div>
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          <div>clang and gcc both accept the '-E' command line option to
            only run the preprocessor.</div>
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    I used ${CMAKE_C_COMPILER} -E <br>
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cite="mid:CAPASGLqUCnmcA9tVQT95dp-xs5VriMFZ4Jpz495hdacpGJjtKw@mail.gmail.com">
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          <div>otherwise you may probably call </div>
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          <div>find_program(C_PREPROCESSOR NAMES cpp)</div>
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          <div>In both cases I don't know how to discover that in a
            cross-platform way.</div>
          <div>Probably MSVC has another option for pre-processsing.</div>
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          <div>Eric</div>
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            <br>
            Regards,<br>
            <br>
            S.Ancelot<br>
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                <div>Eric<br>
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