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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The linker command line would be constructed in the driver (clang/lib/Driver/…) and exactly where the code is depends on your triple. You could grep for 'Linker::ConstructJob'
and see what looks most likely, or try stepping through the driver in a debugger to see which one is invoked. I am a little surprised that arbitrary –f options would be passed through in the link phase.<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">HTH,<o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">--paulr<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> cfe-dev [mailto:cfe-dev-bounces@lists.llvm.org]
<b>On Behalf Of </b>Peeter Joot via cfe-dev<br>
<b>Sent:</b> Wednesday, March 15, 2017 8:10 AM<br>
<b>To:</b> cfe-dev@lists.llvm.org<br>
<b>Subject:</b> [cfe-dev] how to avoid passing new clang front end option to the linker?<o:p></o:p></span></p>
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<p class="MsoNormal">I'm attempting to implement a new clang front end option for my project (<span class="s1">-fmyopt=blah)</span>, and have made the changes required that I can access and act on it in my Target class when compiling. When linking, it causes
a bit of trouble, as clang passes it on to gcc in the link phase:<o:p></o:p></p>
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<p class="p1"><span class="apple-converted-space"> </span><span class="s1">"/usr/lib64/ccache/gcc" -g -D QSIZE -fpic -MD -fmyopt=blah -v -m64 -o tryit /run/user/1002/tryit-46641b.o</span><o:p></o:p></p>
<p class="p1">which gcc objects to. <o:p></o:p></p>
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<p class="MsoNormal">What part of the code is the link command line constructed in, and what is the mechanism used to select which options get passed to other stages (or an example of that)?<o:p></o:p></p>
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<p class="MsoNormal">--<o:p></o:p></p>
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<p class="MsoNormal">Peeter<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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