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<body><span class="vcard"><a class="email" href="mailto:jeremyhu@apple.com" title="Jeremy Huddleston Sequoia <jeremyhu@apple.com>"> <span class="fn">Jeremy Huddleston Sequoia</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - compiler-rt is built with the wrong toolchain (bootstrap compiler rather than built clang), linking fails when using clang older than 3.5 (eg: Mavericks and earlier Xcodes)"
href="https://llvm.org/bugs/show_bug.cgi?id=25753">bug 25753</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>RESOLVED
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<td>REOPENED
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<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - compiler-rt is built with the wrong toolchain (bootstrap compiler rather than built clang), linking fails when using clang older than 3.5 (eg: Mavericks and earlier Xcodes)"
href="https://llvm.org/bugs/show_bug.cgi?id=25753#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - compiler-rt is built with the wrong toolchain (bootstrap compiler rather than built clang), linking fails when using clang older than 3.5 (eg: Mavericks and earlier Xcodes)"
href="https://llvm.org/bugs/show_bug.cgi?id=25753">bug 25753</a>
from <span class="vcard"><a class="email" href="mailto:jeremyhu@apple.com" title="Jeremy Huddleston Sequoia <jeremyhu@apple.com>"> <span class="fn">Jeremy Huddleston Sequoia</span></a>
</span></b>
<pre>Sorry Chris, but that doesn't actually work.
I tested that with our llvm-3.8 port on Mountain Lion in MacPorts without
success. The LLVM_BUILD_EXTERNAL_COMPILER_RT=ON option causes none of
compiler_rt to be built at all.
compiler-rt has always been in llvm/projects/compiler-rt. I don't see a
"runtimes" directory, so I assume that's what you meant. AFAIK, it has to be
placed there and there isn't really another option. Not doing that will
certainly cause failure. Perhaps I'm missing something there ?
The issue is that compiler_rt should be built, but it (and likely the rest of
the runtime libs for that matter) using the just-built clang and not the
compiler that was used to build llvm and clang. The old autoconf-based build
system used the built clang, but the cmake build system does not.</pre>
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