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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Nipun,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>As you say, glibc is rather GCC –oriented. I certainly haven’t
tried this myself, but have you thought of using an alternate C library such as
RedHat newlib? That can certainly be compiled by clang (we do it every night).<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Cheers,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><br>
James<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> llvmdev-bounces@cs.uiuc.edu
[mailto:llvmdev-bounces@cs.uiuc.edu] <b>On Behalf Of </b>Nipun Arora<br>
<b>Sent:</b> 26 January 2012 15:54<br>
<b>To:</b> LLVM Developers Mailing List<br>
<b>Subject:</b> [LLVMdev] Compiling glibc with LLVM<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>Hi,<o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'><o:p> </o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>I read on the
gentoo website <a href="http://en.gentoo-wiki.com/wiki/Llvm"
target="_blank"><span style='text-decoration:none'>http://en.gentoo-wiki.com/wiki/Llvm</span></a> that
glibc cannot be compiled using llvm because of some GNU extensions which LLVM
does not support.<o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'><o:p> </o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>Has there been
any success in compiling glibc using LLVM so as to get the bytecode?<o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>We are looking to
do whole program analysis to look at control flows including those in libc...
we were hoping that we could get the control flows using LLVM API's for glibc.<o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'><o:p> </o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>Has anyone tried
this before?<o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'><o:p> </o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>Thanks<o:p></o:p></span></p>
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<p class=MsoNormal style='line-height:12.75pt;background:white'><span
style='font-size:10.0pt;font-family:"Helvetica","sans-serif";color:#666666'>Nipun<o:p></o:p></span></p>
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