<div dir="ltr">The error is indicating that the linker cannot find the "libXext.so" file (which is generally a symlink to the actual library file). In order for the linker to find the correct library, there needs to be a symlink with the name "libXext.so" that should be pointing to <span style="font-size:12.8px">/usr/X11R6/lib64/libXext.so.6 (and that symlink in turn (probably) points to </span><span style="font-size:12.8px">/usr/X11R6/lib64/libXext.so.6.</span><wbr style="font-size:12.8px"><span style="font-size:12.8px">4.0). If the symlink for libXext.so does not exist in /usr/X11R6 then you'll need to create it in there, or create it in another path and add another -L option to point to its directory.</span><span style="font-size:12.8px"> </span><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Hope this helps,</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Bill</span></div><div><span style="font-size:12.8px"><br></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Nov 15, 2017 at 3:47 PM, max marconi <span dir="ltr"><<a href="mailto:marconi@prismabasic.org" target="_blank">marconi@prismabasic.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear ncl-install<br>
<br>
<br>
ncargex cpex08 -clean<br>
<br>
<br>
leads to the following:<br>
<br>
<br>
gfortran -fPIC -fno-second-underscore -fno-range-check -fopenmp -O -o cpex08 cpexcc.f cpex08.f -L/usr/ext/ncl-6.4.0/lib -L/usr/X11R6/lib64 -lncarg -lncarg_gks -lncarg_c -lX11 -lXext -lcairo -lXrender -lfontconfig -lpixman-1 -lfreetype -lexpat -lpng -lz -lbz2<br>
/usr/bin/ld: cannot find -lXext<br>
<br>
<br>
I have Xext located as follows:<br>
<br>
<br>
/usr/X11R6/lib64/libXext.so.6<br>
/usr/X11R6/lib64/libXext.so.6.<wbr>4.0<br>
/usr/lib64/libXext.so.6<br>
/usr/lib64/libXext.so.6.4.0<br>
<br>
<br>
Could you point me to a solution<br>
<br>
<br>
Thanks,<br>
<br>
<br>
Dr. Max Marconi<br>
<br>
<br>
<br>
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