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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>></span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'> <span lang=EN-IE>In any case, if prefixes are supported, why not universally apply to all rather than having special exemptions that are going to make generalised build configuration more difficult?<o:p></o:p></span></span></p><p class=MsoNormal><span style='color:#1F497D'>Agree. But, this is purely implementation specific.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Martin J. O'Riordan [mailto:martin.oriordan@movidius.com] <br><b>Sent:</b> Wednesday, July 20, 2016 2:53 PM<br><b>To:</b> 'Sumanth Gundapaneni' <sgundapa@codeaurora.org><br><b>Cc:</b> 'LLVM Developers' <llvm-dev@lists.llvm.org><br><b>Subject:</b> RE: [llvm-dev] [CMake] LLVM_PROGRAM_PREFIX support<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-IE style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'>I’m not against the idea, but why do we need prefixes at all? I understand with GCC the need to prefix with the target triple as it uses separate programs for each target, but I think that is not the case with LLVM/CLang.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IE style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'>In any case, if prefixes are supported, why not universally apply to all rather than having special exemptions that are going to make generalised build configuration more difficult?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IE style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE style='font-size:12.0pt;font-family:"Book Antiqua",serif;color:#943634'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> llvm-dev [<a href="mailto:llvm-dev-bounces@lists.llvm.org">mailto:llvm-dev-bounces@lists.llvm.org</a>] <b>On Behalf Of </b>Sumanth Gundapaneni via llvm-dev<br><b>Sent:</b> 20 July 2016 20:48<br><b>To:</b> <a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a><br><b>Subject:</b> [llvm-dev] [CMake] LLVM_PROGRAM_PREFIX support<o:p></o:p></p></div></div><p class=MsoNormal><span lang=EN-IE><o:p> </o:p></span></p><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal> I am planning to add support to CMake so that the binaries of llvm will have a prefix appended to it.<o:p></o:p></p><p class=MsoNormal>At this point, I am stuck on which approach to follow<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Append the prefix during build and install time. If so, this might involve tweaking lit infrastructure to make sure lit picks the prefixed binaries.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Append the prefix only during install time.<o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>a.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Either create symbolic links with prefixed names to existing binaries. On windows this might create copies bloating the install directory<o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>b.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Or rename the existing binaries with prefixed name.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We may not need all the binaries to be prefixed . It doesn’t make sense to prefix the utils FileCheck, not, count, llvm-config etc.<o:p></o:p></p><p class=MsoNormal>I might add two CMake variables <o:p></o:p></p><p class=MsoNormal>>LLVM_PROGRAM_PREFIX<o:p></o:p></p><p class=MsoNormal>>LLVM_PROGRAM_PREFIX_EXCLUSION_LIST (This will specify the list of binaries that don’t need a prefix)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Let me know your thoughts <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>--Sumanth G<o:p></o:p></p></div></body></html>