<div dir="ltr"><div><div><div>I haven't looked closely enough either to be sure if the issue mentioned by Austin is the one you're running into, but there are more details on this issue listed here in case:<br><br><a href="https://projects.coin-or.org/BuildTools/wiki/current-issues#Configuration">https://projects.coin-or.org/BuildTools/wiki/current-issues#Configuration</a><br><br></div>I might also suggest MSys2 as an alternative (perhaps less problematic) *nix build environment on Windows. <br><br></div>Cheers,<br><br></div>Ted<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 16, 2017 at 12:16 PM, Austin Herrema <span dir="ltr"><<a href="mailto:aherrema@iastate.edu" target="_blank">aherrema@iastate.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Having zero experience with Cygwin myself, this may be way off. But it looks like "libtool: link: ERROR: object name conflicts" is your problem either way. A quick Google search on that error yielded this:<br><br><a href="http://stackoverflow.com/questions/12060186/libtool-object-name-conflicts-in-archive-netcdf-mingw" target="_blank">http://stackoverflow.com/<wbr>questions/12060186/libtool-<wbr>object-name-conflicts-in-<wbr>archive-netcdf-mingw</a><br><br>Perhaps the solution lies therein?</div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, May 16, 2017 at 10:53 AM, Brian Macdonald <span dir="ltr"><<a href="mailto:macbdog@gmail.com" target="_blank">macbdog@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div><div><div><div>Hello all<br><br></div>I am having difficulty attempting to compile Ipopt using the Cygwin interface. I am following the steps as listed in the documentation. The Ipopt code (Ipopt 3.12) was acquired by svn, and I am using the HSL linear solvers. <br><br>Running ../configure works fine, but using the make command resulted in the following error:<br><br>rm -fr .libs/libipopt.lax<br>rm -fr .libs/libipopt.lax<br>mkdir .libs/libipopt.lax<br>rm -fr .libs/libipopt.lax/libLinearSo<wbr>lverLoader.a<br>mkdir .libs/libipopt.lax/libLinearSo<wbr>lverLoader.a<br>(cd .libs/libipopt.lax/libLinearSo<wbr>lverLoader.a && ar x /usr/bin/coinIpopt/build/Ipopt<wbr>/src/Interfaces/../c <wbr> <wbr> <wbr> <wbr> ontrib/LinearSolverLoader/.lib<wbr>s/libLinearSolverLoader.a)<br>libtool: link: ERROR: object name conflicts: .libs/libipopt.lax/libLinearSo<wbr>lverLoader.a//usr/bin/<wbr>coinIpop <wbr> <wbr> <wbr> t/build/Ipopt/src/Interfaces/.<wbr>./contrib/LinearSolverLoader/.<wbr>libs/libLinearSolverLoader.a<br>make[2]: *** [Makefile:480: <a href="http://libipopt.la" target="_blank">libipopt.la</a>] Error 1<br>make[2]: Leaving directory '/usr/bin/coinIpopt/build/Ipop<wbr>t/src/Interfaces'<br>make[1]: *** [Makefile:679: all-recursive] Error 1<br>make[1]: Leaving directory '/usr/bin/coinIpopt/build/Ipop<wbr>t'<br>make: *** [Makefile:323: all-recursive] Error 1<br><br></div>Looking at previous threads, I found one that suggested using --disable-linear-solver-loader with configure to get around this error. When I do that and then attempt to use make again, I am getting the following error:<br><br>rm -fr .libs/libipopt.lax<br>rm -fr .libs/libipopt.lax<br>mkdir .libs/libipopt.lax<br>rm -fr .libs/libipopt.lax/libcgpenalt<wbr>y.a<br>mkdir .libs/libipopt.lax/libcgpenalt<wbr>y.a<br>(cd .libs/libipopt.lax/libcgpenalt<wbr>y.a && ar x /usr/bin/coinIpopt/build/Ipopt<wbr>/src/Interfaces/../contrib/<wbr>CGPenalty/.libs/libcgpenalty.<wbr>a)<br>libtool: link: ERROR: object name conflicts: .libs/libipopt.lax/libcgpenalt<wbr>y.a//usr/bin/coinIpopt/build/<wbr>Ipopt/src/Interfaces/../<wbr>contrib/CGPenalty/.libs/<wbr>libcgpenalty.a<br>make[2]: *** [Makefile:480: <a href="http://libipopt.la" target="_blank">libipopt.la</a>] Error 1<br>make[2]: Leaving directory '/usr/bin/coinIpopt/build/Ipop<wbr>t/src/Interfaces'<br>make[1]: *** [Makefile:679: all-recursive] Error 1<br>make[1]: Leaving directory '/usr/bin/coinIpopt/build/Ipop<wbr>t'<br>make: *** [Makefile:323: all-recursive] Error 1<br><br></div>I have tried starting from scratch, but I keep getting the same errors. Any help with this is greatly appreciated.<span class="m_-4881663721087049958HOEnZb"><font color="#888888"><br><br></font></span></div><span class="m_-4881663721087049958HOEnZb"><font color="#888888">Brian Macdonald<br></font></span></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div class="m_-4881663721087049958gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr" style="color:rgb(136,136,136);font-size:12.8px"><b style="font-size:12.8px"><font color="#666666">Austin Herrema</font></b><br></div><div dir="ltr" style="color:rgb(136,136,136);font-size:12.8px"><div><font color="#999999">PhD Student | Graduate Research Assistant | Iowa State University</font></div><div><font color="#999999">Wind Energy Science, Engineering, and Policy | Mechanical Engineering</font></div></div></div></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr">Dr. Ted Ralphs<br>Visiting Researcher, Zuse Institute Berlin<br>Professor, Lehigh University<br>(610) 628-1280<br>ted 'at' lehigh 'dot' edu<br><a href="http://coral.ie.lehigh.edu/~ted" target="_blank">coral.ie.lehigh.edu/~ted</a><br></div></div></div></div>
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