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<p class="MsoNormal">I installed CLP as instructed by the Install instructions.&nbsp; I&#8217;m running Cygwin on my windows laptop and installed g&#43;&#43; and gcc.&nbsp; When I try to run the make file under the examples directory, I received issues in regards to CLPSimplex.cpp
 not in the path so I modified the makefile to include the source files.&nbsp; Now, I&#8217;m getting the error below.&nbsp; Any ideas on how to resolve this issue?&nbsp; I searched the web and the only thing I can come up with is that I may be using the wrong compiler.<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">g&#43;&#43; -O3 -pipe -DNDEBUG -pedantic-errors -Wparentheses -Wreturn-type -Wcast-qual -Wall -Wpointer-arith -Wwrite-strings -Wconversion -Wno-unknown-pragmas
 -Wno-long-long&nbsp;&nbsp; -DCLP_BUILD -DSAMPLEDIR=\&quot;`cygpath -w /cygdrive/c/clp_build/share/coin/Data/Sample | sed -e 's/\\\\/\\\\\\\\/g'`\&quot; -DNETLIBDIR=\&quot;`cygpath -w /cygdrive/c/clp_build/share/coin/Data/Netlib | sed -e 's/\\\\/\\\\\\\\/g'`\&quot; -I`cygpath -w /cygdrive/c/clp_build/include/coin`
 -I`cygpath -w /cygdrive/c/clp_build/clp/src` -I`cygpath -w /cygdrive/c/clp_build/coinutils/src` -I`cygpath -w /cygdrive/c/clp_build/BuildTools/headers`&nbsp;&nbsp; -c -o driver.o `test -f 'driver.cpp' || echo '. /'`driver.cpp<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">In file included from C:/clp_build/clp/src/config_default.h:3,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from C:/clp_build/clp/src/ClpConfig.h:36,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from C:/clp_build/clp/src/ClpModel.hpp:9,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from C:/clp_build/clp/src/ClpSimplex.hpp:16,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;from driver.cpp:6:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">C:/clp_build/BuildTools/headers/configall_system.h:12:3:
<span style="background:yellow;mso-highlight:yellow">#error &quot;Trying to use configall_system for unknown compiler</span>.&quot;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">Makefile:145: recipe for target `driver.o' failed<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:&quot;Lucida Console&quot;">make: *** [driver.o] Error 1<o:p></o:p></span></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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