<div dir="ltr"><font face="arial, helvetica, sans-serif">My case is slightly different in that I only use it for cross compiling clang from osx to linux, but to work around cmake issues, I have to set CLANG_DEFAULT_LINKER=lld. That means it's only really usable when passing a non-darwin -target, e.g., "<span style="color:rgb(3,47,98);white-space:pre">x86_64-unknown-linux-gnu". </span></font><div><span style="color:rgb(3,47,98);font-family:arial,helvetica,sans-serif;white-space:pre"><br></span></div><div><span style="color:rgb(3,47,98);font-family:arial,helvetica,sans-serif;white-space:pre">This also means you can't use it for Native tools so you need to pass them as well.</span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jan 7, 2018 at 10:37 AM, Saleem Abdulrasool <span dir="ltr"><<a href="mailto:compnerd@compnerd.org" target="_blank">compnerd@compnerd.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space">MachO support in lld is not really ready for real world usage. It was able to bootstrap itself a couple of years ago, but, it has not really been maintained or further developed since. I would recommend that you use ld64 if you are intending to build MachO binaries.<div><div class="h5"><br><div><br><blockquote type="cite"><div>On Jan 7, 2018, at 9:57 AM, Don Hinton via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:</div><br class="m_-6004348063877176069Apple-interchange-newline"><div><div dir="ltr">I'm seeing something similar. <div><br></div><div>clang is using HOST_LINK_VERSION, obtained from ld64, as the default for -mlinker-version. This causes Darwin.cpp to add the arguments you are seeing, but not handled by lld. Perhaps -fuse-ld should be considered in addition to -mlinker-version when adding these arguments.</div><div><br></div><div>As a workaround, you can try passing -mlinker-version. Looks like anything < 133 will work, including 0.<br></div><div><br></div><div>hth...</div><div>don</div><div><div><br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 4, 2018 at 1:14 AM, Julio César Rocha via llvm-dev <span dir="ltr"><<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div dir="ltr">Hi. I'm using LLVM 5.0.1 on macOS 10.12.<div><br></div><div>I have a very simple program (program.c):</div><div><div>int main() {}</div></div><div><br></div><div>When attempting to compile with LLD, I get this output:</div><div><div>$ clang -fuse-ld=lld program.c</div><div>/opt/llvm/5.0.1/bin/ld.lld: error: unknown argument: -no_deduplicate</div><div>/opt/llvm/5.0.1/bin/ld.lld: error: unknown argument: -dynamic</div><div>/opt/llvm/5.0.1/bin/ld.lld: error: unknown argument: -arch</div><div>/opt/llvm/5.0.1/bin/ld.lld: error: unknown emulation: acosx_version_min</div><div>/opt/llvm/5.0.1/bin/ld.lld: error: unable to find library -lto_library</div><div>/opt/llvm/5.0.1/bin/ld.lld: error: /opt/llvm/5.0.1/lib/libLTO.dyl<wbr>ib: invalid data encoding</div><div>clang-5.0: error: linker command failed with exit code 1 (use -v to see invocation)</div></div><div><br></div><div>Looks like the flags passed to the linker are just wrong, but can't find any relevant documentation at <a href="http://llvm.org/docs" target="_blank">llvm.org/docs</a>.</div><div><br></div><div>Please help?</div></div></div>
</div>
<br>______________________________<wbr>_________________<br>
LLVM Developers mailing list<br>
<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br>
<a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" rel="noreferrer" target="_blank">http://lists.llvm.org/cgi-bin/<wbr>mailman/listinfo/llvm-dev</a><br>
<br></blockquote></div><br></div>
______________________________<wbr>_________________<br>LLVM Developers mailing list<br><a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank">http://lists.llvm.org/cgi-bin/<wbr>mailman/listinfo/llvm-dev</a><br></div></blockquote></div><br></div></div></div></blockquote></div><br></div>