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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - try linker target support instead of interrogating -v"
href="http://llvm.org/bugs/show_bug.cgi?id=22452">22452</a>
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<th>Summary</th>
<td>try linker target support instead of interrogating -v
</td>
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<th>Product</th>
<td>compiler-rt
</td>
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<th>Version</th>
<td>3.6
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
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<th>OS</th>
<td>MacOS X
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>compiler-rt
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>michael@weiser.dinsnail.net
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=13803" name="attach_13803" title="try linker instead of interrogating it">attachment 13803</a> <a href="attachment.cgi?id=13803&action=edit" title="try linker instead of interrogating it">[details]</a></span>
try linker instead of interrogating it
Older linker versions will not report supported targets in -v output while
still supporting the target:
michael@osx105 ~/llvm $ ~/Gentoo/usr/i686-apple-darwin9/binutils-bin/4.2/ld64
-v
@(#)PROGRAM:ld PROJECT:ld64-127.2 (Gentoo binutils-apple-4.2-r1)
LLVM version 3.5.1
This will make the Makefile drop all targets which in turn will make the lipo
run fail and compile abort.
The attached patch makes clang_darwin.mk try to link a dylib from
clang_darwin_test_input for the target to determine support. Tested against
HEAD as of 2015-02-02.</pre>
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