<div dir="ltr"><br><br><div class="gmail_quote"><div dir="ltr">Le lun. 4 juin 2018 à 09:59, Stéphane Ancelot <<a href="mailto:sancelot@numalliance.com">sancelot@numalliance.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">hi<br>
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is there a mactro for cpp ?<br></blockquote><div><br></div><div>You mean a CMake variable which would contain the path to C preprocessor binary? </div><div><br></div><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><div><br></div><div>May be you can ask the compiler to act a the C pre-processor?</div><div><br></div><div>clang and gcc both accept the '-E' command line option to only run the preprocessor.</div><div><br></div><div>otherwise you may probably call </div><div><br></div><div>find_program(C_PREPROCESSOR NAMES cpp)</div><div><br></div><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><div><br></div><div>Eric</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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Regards,<br>
<br>
S.Ancelot<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Eric<br></div></div></div></div></div></div>