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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang 3.6: inconsistent claiming of options -nostdlib vs. -nostartfiles"
href="http://llvm.org/bugs/show_bug.cgi?id=22490">22490</a>
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<th>Summary</th>
<td>clang 3.6: inconsistent claiming of options -nostdlib vs. -nostartfiles
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.6
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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>Driver
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>markus@oberhumer.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>When compiling, -nostdlib seems to get claimed while -nostartfiles and
-nodefaultlibs are not.
When linking, -isystem seems to get claimed while -nostdinc and -nostdinc++ are
not.
I think it would be nice to claim all these options as it makes it easier to
write clang-XXX wrapper scripts.
$ echo 'int x = 1;' > test.c
#
# compiling
#
$ clang-3.6.0rc2 -target i386-linux -c test.c
$ clang-3.6.0rc2 -target i386-linux -nostdlib -c test.c
$ clang-3.6.0rc2 -target i386-linux -nostartfiles -c test.c
clang: warning: argument unused during compilation: '-nostartfiles'
$ clang-3.6.0rc2 -target i386-linux -nodefaultlibs -c test.c
clang: warning: argument unused during compilation: '-nodefaultlibs'
#
# linking
#
$ clang-3.6.0rc2 -target i386-linux -shared -o test.so test.o
$ clang-3.6.0rc2 -target i386-linux -isystem /usr/include -shared -o test.so
test.o
$ clang-3.6.0rc2 -target i386-linux -nostdinc -shared -o test.so test.o
clang: warning: argument unused during compilation: '-nostdinc'
$ clang-3.6.0rc2 -target i386-linux -nostdinc++ -shared -o test.so test.o
clang: warning: argument unused during compilation: '-nostdinc++'</pre>
</div>
</p>
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