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Hi Gerry, re: > nex2img failed to compile, still. See attached with less provocative name It seems that your development environment is still not complete. The first significant error I see in the log file you sent is: ... gcc -DUNDERSCORE -DLinux -I/home/gempak/GEMPAK5.11.1/gempak/include -I/home/gemp ak/GEMPAK5.11.1/os/linux/include -I/usr/X11R6/include -O -I/home/gempak/GEMPAK5 .11.1/os/linux/include/libxslt -I/home/gempak/GEMPAK5.11.1/os/linux/include/libx ml2 -c xmltransform.c xmltransform.c:10:26: error: libxslt/xslt.h: No such file or directory xmltransform.c:11:35: error: libxslt/xsltInternals.h: No such file or directory xmltransform.c:12:31: error: libxslt/transform.h: No such file or directory xmltransform.c:13:31: error: libxslt/xsltutils.h: No such file or directory ... Here is a quick description of what libxslt is (from xmlsoft.org): Libxslt is the XSLT C library developed for the Gnome project. Libxslt is based on libxml2 the XML C library developed for the Gnome project. I believe that the volumes of errors your log file shows is a cascade effect caused from the lack of the libxslt include files and possibly libraries. So, you need to install the libxslt development environment and restart your build. By the way, since your building from source effort is driven by a double free error encountered when running nex2img, and since you ran into this problem with the latest GEMPAK binary release, I have to ask: - have you tried extracting the nex2img binary from a previous GEMPAK binary for Linux to see if it would work for you? Cheers, Tom **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: AFF-463659 Department: Support GEMPAK Priority: Normal Status: Closed