<div dir="ltr">I'm guessing  that the contents of C:\Users\joshu\.julia\packages\Cbc\zMLXd\deps\build.log would be useful in determining what went wrong. Otherwise, there's really nothing here to go on. I'm not sure if it's a Cbc issue or a Julia issue. <br><div><br></div><div>Ted</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 7, 2020 at 9:16 AM Josh Stowell <<a href="mailto:josh.stowell@advisoryaero.com">josh.stowell@advisoryaero.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">





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<p class="MsoNormal">Hello All,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am building Cbc on Windows via VisualStudio. I’m looking to point Julia to this new build of Cbc instead of the one that Julia’s package library grabs.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Here is what I have been trying:<u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(64,255,64)">julia>
</span><span style="font-size:9pt;font-family:"Lucida Console"">ENV["JULIA_CBC_LIBRARY_PATH"]="C:\\Path\\to\\build\\output"<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(64,255,64)">julia>
</span><span style="font-size:9pt;font-family:"Lucida Console"">import Pkg; Pkg.build("Cbc")<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This outputs:<u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(64,255,64)">  Building</span><span style="font-size:9pt;font-family:"Lucida Console""> CodecZlib ─→ `C:\Users\joshu\.julia\packages\CodecZlib\5t9zO\deps\build.log`<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(64,255,64)">  Building</span><span style="font-size:9pt;font-family:"Lucida Console""> CodecBzip2 → `C:\Users\joshu\.julia\packages\CodecBzip2\T5yr7\deps\build.log`<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(64,255,64)">  Building</span><span style="font-size:9pt;font-family:"Lucida Console""> Cbc ───────→ `C:\Users\joshu\.julia\packages\Cbc\zMLXd\deps\build.log`<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">┌ Error:
</span><span style="font-size:9pt;font-family:"Lucida Console"">Error building `Cbc`:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console"">ERROR: LoadError: Could not install custom libraries from C:\Path\to\build\output.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console"">To fall back to BinaryProvider call delete!(ENV,"JULIA_CBC_LIBRARY_PATH") and run build again.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console"">Stacktrace:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [1] error(::String) at .\error.jl:33<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [2] top-level scope at C:\Users\joshu\.julia\packages\Cbc\zMLXd\deps\build.jl:66<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [3] include at .\boot.jl:328 [inlined]<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [4] include_relative(::Module, ::String) at .\loading.jl:1105<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [5] include(::Module, ::String) at .\Base.jl:31<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [6] include(::String) at .\client.jl:424<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console""> [7] top-level scope at none:5<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:"Lucida Console";color:rgb(255,64,64)">│
</span><span style="font-size:9pt;font-family:"Lucida Console"">in expression starting at C:\Users\joshu\.julia\packages\Cbc\zMLXd\deps\build.jl:60<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Any Ideas?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal">Josh Stowell<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Dr. Ted Ralphs<br>Professor, Industrial and Systems Engineering<br>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></div></div></div></div>